WO2004063238A1 - 多層構造重合体及び樹脂組成物、並びに、アクリル樹脂フィルム状物、アクリル樹脂積層フィルム、光硬化性アクリル樹脂フィルム又はシート、積層フィルム又はシート、及び、これを積層した積層成形品 - Google Patents
多層構造重合体及び樹脂組成物、並びに、アクリル樹脂フィルム状物、アクリル樹脂積層フィルム、光硬化性アクリル樹脂フィルム又はシート、積層フィルム又はシート、及び、これを積層した積層成形品 Download PDFInfo
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- WO2004063238A1 WO2004063238A1 PCT/JP2003/016951 JP0316951W WO2004063238A1 WO 2004063238 A1 WO2004063238 A1 WO 2004063238A1 JP 0316951 W JP0316951 W JP 0316951W WO 2004063238 A1 WO2004063238 A1 WO 2004063238A1
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- Prior art keywords
- film
- acrylic resin
- polymer
- resin film
- sheet
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14778—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
- B29C45/14811—Multilayered articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
- C08F265/04—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of esters
- C08F265/06—Polymerisation of acrylate or methacrylate esters on to polymers thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F285/00—Macromolecular compounds obtained by polymerising monomers on to preformed graft polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2633/00—Use of polymers of unsaturated acids or derivatives thereof for preformed parts, e.g. for inserts
- B29K2633/04—Polymers of esters
- B29K2633/08—Polymers of acrylic acid esters, e.g. PMA, i.e. polymethylacrylate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3005—Body finishings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3044—Bumpers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3047—Steering wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2605/00—Vehicles
- B32B2605/003—Interior finishings
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2333/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
- C08J2333/06—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/254—Polymeric or resinous material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
- Y10T428/2998—Coated including synthetic resin or polymer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers
- Y10T428/31544—Addition polymer is perhalogenated
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31909—Next to second addition polymer from unsaturated monomers
- Y10T428/31928—Ester, halide or nitrile of addition polymer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31935—Ester, halide or nitrile of addition polymer
Definitions
- Multilayer polymer and resin composition and acrylic resin film, acrylic resin laminated film, photocurable acrylic resin film or sheet, laminated film or sheet, and laminated molded product obtained by laminating these
- the present invention relates to a multilayer polymer and a resin composition, an acrylic resin film, an acrylic resin laminated film, a photocurable acrylic resin film or sheet, a laminated film or sheet, and a laminated molded product obtained by laminating these.
- a resin composition an acrylic resin film, an acrylic resin laminated film, a photocurable acrylic resin film or sheet, a laminated film or sheet, and a laminated molded product obtained by laminating these.
- an insert molding method As a method of imparting design properties to a molded product at low cost, there are an insert molding method and an in-mold molding method.
- a film or sheet of polyester resin, polycarbonate resin, acrylic resin, etc. decorated with printing or the like is formed into a three-dimensional shape in advance by vacuum forming or the like, and unnecessary film or sheet parts are formed. After removal, the resin is transferred into an injection molding die, and a resin as a base material is subjected to injection molding to obtain an integrated molded product.
- a film or sheet made of polyester resin, polycarbonate resin, acryl resin, etc. decorated with printing or the like is placed in an injection mold, subjected to vacuum molding, and then subjected to the same mold. This is to obtain a molded product that is integrated by injection molding a resin serving as a base material.
- Patent Documents 1 to 4 Such an acryl resin film-like material not only imparts decorative properties to a molded product, but also has a function as a substitute material for clear coating.
- An acrylic resin film containing a rubber-containing polymer having a specific composition and a thermoplastic polymer having a specific composition in a specific ratio, or a specific composition An acrylic resin film containing a rubber-containing polymer consisting of a thermoplastic polymer having a specific composition and a matting agent in a specific ratio is disclosed (for example, see References 5 and 6). .
- Such an acrylic resin film-like material not only imparts decorative properties to the molded product, but also has a function as a substitute material for the matte paint.
- at least one surface of the acrylic resin layer containing rubber particles is substantially coated with rubber particles.
- An acrylic resin laminated film in which an acrylic resin layer not containing is laminated has been proposed (for example, see References 14 and 15).
- the inclusion of rubber particles causes problems such as a decrease in weather resistance and chemical resistance.
- at least one side of the acrylic resin layer containing rubber particles is a resin with excellent weather resistance and chemical resistance, and a fluorine-based polymer such as vinylidene fluoride polymer with good adhesion to the acrylic resin.
- Laminated films formed by laminating resins have also been proposed (for example, see Reference 16).
- a photocurable film or sheet having a photocurable resin having excellent processability and storage stability on its surface has been disclosed (Refs. 17, 18). Such a photocurable film or sheet not only imparts decorative properties to a molded product, but also has a function as a substitute material for painting.
- a laminated film or sheet obtained by laminating an acryl resin film or sheet as an acrylic resin layer can be suitably used in the insert molding method or the in-mold molding method (for example, see References 19 to 22). See).
- an acrylic resin film-like material having a high processability and flexibility comprising a multilayer polymer containing a rubber component, which can be used for in-mold molding (for example, see Reference Document 7).
- the Atarinole resin film made of rubber-containing acrylic resin makes use of its excellent properties in transparency, weather resistance, flexibility and processability, and is used for the surface of various resin molded products, woodwork products, and metal molded products.
- thermoplastic resin composition that provides an acrylic resin film having excellent anti-glare properties
- a thermoplastic resin composition having a multilayer structure having a specific structure, and a linear polymer having a hydroxyl group and having a specific composition can be used as a thermoplastic resin composition that provides an acrylic resin film having excellent anti-glare properties.
- thermoplastic resin composition having a multilayer structure having a specific structure, and a linear polymer having a hydroxyl group and having a specific composition can be used as a thermoplastic resin composition that provides an acrylic resin film having excellent anti-glare properties.
- Thermoplastic resins and compositions are disclosed (for example, see Reference 13).
- an acrylic resin film having excellent surface hardness, heat resistance, and moldability can be obtained (for example, see Reference Document 1).
- a rubber-containing polymer having an average particle diameter of less than 0.2 m an acrylic resin film material for coating replacement having excellent transparency can be obtained (for example, see Reference Document 3).
- a rubber-containing polymer having a specific structure it is possible to obtain an acrylic resin film substitute for coating that has both plasticizer whitening resistance and moldability without impairing surface hardness and heat resistance (for example, See Reference 4.).
- the protruding film is removed by hand instead of punching.There is a design limitation.In some cases, the heated part is reheated to white. The industrial use value was low, such as the need for a work process to remove the taste.
- an acrylic resin film having excellent weather resistance, solvent resistance, stress whitening resistance, water whitening resistance, and transparency or matting properties can be obtained (for example, see References 8 to 12, 13). See.)
- this publication does not describe insert molding or in-mold molding of the obtained acrylic resin film, and further does not describe surface hardness and heat resistance.
- the surface hardness and heat resistance of the acrylic resin film-like material having the composition described in the examples have not reached the levels required for vehicle use.
- in-mold molding of the acrylic resin film which is excellent in processability and flexibility for example, see Reference 7
- the surface is similar to that of the acrylic resin film described above. Hardness and heat resistance have not reached the required levels for vehicle use.
- At least one surface of the acrylic resin layer containing rubber particles has a Rockwell hardness mainly composed of an alkyl methacrylate having an alkyl group having 1 to 4 carbon atoms.
- the surface hardness (scratch resistance) of the finally obtained acrylic resin laminated film is improved for use in vehicles because of its low surface hardness.
- the processing conditions for obtaining a good molded product are narrow, and depending on the processing conditions, the acrylic resin layer may crack, break, peel off at the laminated portion, or the like. was there. That is, there were limitations on the processing temperature of the acrylic resin laminated film, the injection speed of the base resin, and the like, and the industrial use value was low.
- At least one side of a soft layer made of an acryl-based resin containing rubber particles and having a flexural modulus of not more than 150 OMPa, and a hard layer made of an ataryl-based resin having a flexural modulus of not less than 160 OMPa By laminating the layers, it is possible to obtain an ataryl resin laminated film which has appropriate surface hardness and flexibility when applied to a forming process including bending or stretching, has a low level of whitening, and can be formed into a molded product. (Eg, reference 15).
- the gazette describes the whitening resistance to molding.
- a tensile test is performed in accordance with JISK 71 13—19995 “Plastic tensile test method”, and clouding of the fractured part before and after the test is performed. Value (haze) is measured.
- the haze value after the test varies depending on the test conditions such as the tensile speed, the temperature condition, the distance between the chucks and the distance between the end chucks.
- composition of the two-layer acryl-based rubber used in the acrylic resin laminated film described in the examples is not made clear.
- This publication states that a hard layer made of an acrylic resin having a flexural modulus of not less than 160 OMPa does not substantially contain rubber particles, so that the molding whitening resistance is improved.
- the molding whitening phenomenon when the above-mentioned insert molding or in-mold molding is performed occurs in the soft layer that occupies most of the acrylic resin laminated film, and the relatively white molded part is less noticeable. The whitening was confirmed even in the toned print pattern, and its industrial utility value was low.
- the rubber particles used for the acrylic resin film are not rubber particles having a specific tipper structure or a graft structure and excellent in stress whitening resistance (for example, see References 5 and 6). This is due to the fact that the whitening resistance during molding does not reach a level that satisfies the requirements.
- a laminated film having excellent transparency, resistance to stress whitening and resistance to water whitening, and excellent adhesion between layers can be obtained (for example, Reference 16).
- the publication does not describe insert molding or in-mold molding of the obtained laminated film. Furthermore, it relates to surface hardness (scratch resistance) and heat resistance. No description is given.
- the surface hardness (scratch resistance), heat resistance, and slippage still have room for improvement for use in vehicles.
- a photocurable film or sheet having a photocurable resin having excellent abrasion resistance, weather resistance and chemical resistance, non-adhesiveness, and excellent in processability and storage stability on the surface can be obtained ( References 17 and 18).
- an atalyl resin film excellent in weather resistance, solvent resistance, stress whitening resistance, water whitening resistance and clarity (for example, see References 8 and 9) is used.
- these acrylic resin films have poor heat resistance, the photocurable resin composition and the acrylic resin film may be dried in a drying step for removing the solvent after the photocurable resin composition is applied to the film.
- the material is stretched, and the scratch resistance after hardening and the surface hardness are reduced.
- these acrylic resin films when these acrylic resin films are used, it is possible to minimize the extent to which the acrylic resin film is stretched by optimizing the drying conditions. In addition, the industrial utilization value was low due to reduced production efficiency.
- the drying temperature cannot be increased, the amount of the residual organic solvent in the photocurable resin layer cannot be reduced as described later, so that various problems due to the residual solvent are likely to occur.
- the surface hardness of the photocurable film or sheet after photocuring is strongly affected by the surface hardness of the base film or sheet.
- the surface hardness of the photocurable film or sheet after photocuring is low! / I could only get things.
- a laminated film or sheet obtained by laminating an acryl resin film or sheet as an acryl resin layer can be obtained (for example, see References 19 to 22). While watching In the laminated films and sheets having these acryl resin layers, no mention is made of the importance and solution of the molding whitening resistance.
- laminate film or sheet for building materials used for surface sash of an opening sash such as a window, an exterior sliding member such as an entrance sliding door or an entrance door, and the like.
- the mainstream is a structure in which a surface protective layer made of an acrylic resin having excellent weather resistance is provided on the surface of a base material sheet made of a thermoplastic resin such as a polyvinyl chloride resin.
- This laminated film or sheet for building materials has a property that the acrylic resin of the surface protective layer is hardly deteriorated by oxidation and decomposition due to ultraviolet rays, and for example, benzotriazole-based and benzophenone-based Because of its excellent compatibility with UV absorbers, it protects the base sheet and the picture layer normally provided on its surface from UV rays contained in sunlight, and has sufficient weather resistance to withstand exterior use. can get.
- a laminated film or sheet for building materials in which an acrylic resin film or a sheet is laminated on a surface protective layer, which is laminated by a conventionally known lamination method, is disclosed (for example, see references 23 to 25).
- Laminated films or sheets for building materials have the problem that the surface tends to change in gloss during the manufacturing / processing steps or during use.
- the surface of the laminated film or sheet for building materials is adjusted to a predetermined glossy state by means such as addition of a squeezing and gloss adjusting agent and formation of a glossy adjusting layer so that the surface of the laminated film or sheet for building material has a desired moderate glossy state. It is common.
- the laminated film or sheet for building materials even if the surface is adjusted to a predetermined moderately glossy state during the manufacturing process of the laminated film or sheet for building materials, even if the surface of the laminated film or sheet is made of an aluminum sash or a steel door.
- Laminated films or sheets for building materials are generally made of wood-based materials such as plywood, particle ports, medium-density fiberboard (MDF), inorganic materials such as calcium silicate boards, slate boards, and wool cement boards, and fibers. Synthesis of reinforced plastic (FRP) etc. It is used by attaching it to the surface of various base materials such as a luster base material. In some cases, a bending process such as a V-cut process is performed on this, or a three-dimensionally formed and adhered method such as a rubbing method or a vacuum forming method is used on the surface of a substrate having an uneven shape.
- MDF medium-density fiberboard
- FRP reinforced plastic
- the acrylic resin layer located on the surface layer of the laminated molded product has a pencil hardness of 2 B or more.
- the laminated molded product obtained by using the laminated film or sheet for building materials has practical scratch resistance, and furthermore, has to be a laminated molded product.
- the laminated film or sheet for building materials having an acrylic resin film as a surface protective layer described in References 23 to 25 has a combination of these abrasion resistance, antiglare resistance, and molding whitening resistance. No mention of importance or solution. For example, with respect to References 23 and 24, although mention is made of the resistance to whitening of the molding, no mention is made of the resistance to gloss return.
- the laminated film or sheet may be exposed to a high temperature of 60 ° C or more. It is described that it is difficult to generate a glossy change such as a glossy return, and a laminated film or sheet can be obtained.
- the publication does not clearly describe the composition of the acrylic resin film, the method of measuring the glass transition temperature, and the like.
- each processing step to obtain a laminated molded product, or actual use after construction on a building is assumed. ⁇ The surface temperature of the laminated film or sheet is 60 ° C or more. Is not clearly stated. In addition, there is no detail or description concerning the processing for obtaining a laminated molded product.
- laminated molded products for building materials including laminated films or sheets
- acrylic resin films are used in areas where the highest heat resistance is required, such as exterior walls such as siding, fences, roofs, roof decks, and balcony.
- the laminated film or sheet for the surface protective layer, it is desirable that the laminated film or sheet does not have any glossy change such as glossy return even when it is kept for 24 hours in an environment where the surface temperature of the laminated film or sheet is 90 ° C.
- the acrylic resin film (HBS 06 (trade name) manufactured by Mitsubishi Rayon Co., Ltd.) described in the examples of the publication cannot satisfy the required performance of heat resistance for the above-mentioned application, and the laminated film Alternatively, when the surface temperature of the sheet is kept at 90 ° C for 24 hours, the appearance of gloss changes such as a return to gloss. For this reason, the intended use was limited.
- the laminated film or sheet obtained by using the acrylic resin film (HBS 06 and HBS 027 (trade name) manufactured by Mitsubishi Rayon Co., Ltd.) described in the examples of the publication is used to radiate a radius of curvature.
- Laminated film or sheet using HBSO06 slightly whitens And whitening was observed in the laminated film or sheet using HBS027. For this reason, there were limitations on molding temperature, processing conditions, and the like.
- the laminated film or sheet for building materials having the acrylic resin film described in Reference Document 25 as the surface protective layer had room for improvement with respect to the molding whitening resistance and the gloss return resistance.
- an acrylic resin film having improved processability can be used, which improves the flexibility of the acrylic resin film and can be used for bending with a small radius of curvature and high bending at a high deformation rate.
- Disclosed eg, reference 26.
- Acrylic resin films having excellent low-temperature processability by using a specific resin composition have also been disclosed (for example, References 27 and 28).
- References 27 and 28 there is no description about the anti-glare property, and in the acrylic resin film using the resin composition described in the examples as a raw material, the expected is expected.
- the anti-glare properties did not reach the level required for building materials, and were unsuitable for use as laminated films or sheets for building materials.
- the present invention provides a molded article that does not whiten when subjected to insert molding or in-mold molding, and has surface hardness, heat resistance, and transparency that can be used for vehicles.
- Another object of the present invention is to provide an acrylic resin film or an acryl resin laminated film having an anti-glare property.
- a photocurable acryl resin film or sheet or laminated film having heat resistance, abrasion resistance, and surface hardness which does not whiten when subjected to insert molding or in-mold molding, and which can be used for vehicles. Or to provide a sheet.
- Another object of the present invention is to provide a multilayer structure polymer suitable for obtaining the above-mentioned acrylic resin film-like material, and a resin composition containing the multilayer structure polymer.
- An innermost layer polymer (I-A) composed of the following monomer components, and (2) a glass transition temperature of 25 to 100 ° C, wherein the innermost layer polymer (I —A) a multilayer polymer (I) comprising an intermediate layer polymer (I-B) having a composition different from that of (A) and (3) an outermost layer polymer (I_C) laminated in this order.
- a resin composition (111) comprising the multilayer polymer (I) according to the above [1] and a thermoplastic polymer (II) containing alkyl methacrylate as a main component.
- An acrylic resin laminated film comprising the acrylic resin film (A) according to any one of the above [4] to [7], further comprising another acrylic resin film ( ⁇ ') or a fluororesin Acrylic resin having film-like material ( ⁇ '')
- the acrylic resin film (A) according to any one of [4] to [7], the acrylic resin laminated film according to [9], and the photocurable property according to [11].
- a laminated film or sheet for building materials comprising the laminated film or sheet according to [13] or [14].
- the acrylic resin film (A) according to any one of [4] to [8], the acrylic resin laminated film according to [9] or [10], [11] or [12]. 1 selected from the group consisting of the photocurable acrylic resin film or sheet according to [13] or [14], and the laminated film or sheet for building materials according to [15].
- One of them is obtained by performing vacuum molding or air pressure molding in an injection molding die, and thereafter, injecting and integrating the resin to be the base material (E) in the injection molding die.
- the acrylic resin film-like material (A) using one selected from the group consisting of the multilayer structure polymer (I), the resin composition (111), and the resin composition (IV) of the present invention The formula of 20 mm in width! 3 ⁇ 4r Cheek 25 mm in length ⁇ 50 mm / m 1 n speed, 23 ° C temperature, after performing a tensile test so that the distance between the end chucks is 33 mm.
- a photocurable acrylic resin film or sheet having heat resistance, abrasion resistance, and surface hardness that can be used for vehicles, which does not whiten when subjected to insert molding or in-mold molding, and a laminated film Or a sheet can be provided.
- a laminated film or sheet for building materials that does not whiten a molded product in a process of performing a V-cut process or a rubbing process in a cold region and that has satisfactory scratch resistance and anti-glare resistance.
- the acrylic resin film (A) and the acrylic resin laminated film of the present invention which are excellent in whitening resistance when subjected to insert molding or in-mold molding.
- the use of one selected from the group consisting of lumber, photocurable acrylic resin film or sheet, and laminated film or sheet removes the protruding film by hand instead of punching, design constraints. There is no need to reheat the whitened parts to remove whiteness.
- the acrylic resin film (A), the acrylic resin laminated film, the photocurable acrylic resin film or sheet, and the laminated film or sheet of the present invention have extremely high industrial utility value, It can be expanded dramatically.
- the multi-layer polymer (I) is composed of the following monomer components.
- the outermost layer polymer (I-C) is composed of the following monomer components.
- the “different composition” means that at least one of the monomer components for constituting each polymer is different in type and / or amount.
- Tg of the intermediate layer polymer (I-B) alone is 25 to 100 ° C with the above components.
- the alkyl acrylate of the component (I-A1) contained in the monomer component for constituting the innermost layer polymer (I-A) may be either linear or branched. Specific examples thereof include methyl acrylate, ethyl acrylate, propyl acrylate, n-butyl acrylate, 2-ethylhexyl acrylate, and n-octyl acrylate. These can be used alone or in combination of two or more. Among them, n_butyl acrylate is preferred.
- the alkyl methacrylate of the component (I-A2) which is optionally contained in the monomer component for constituting the innermost layer polymer (I-A), may be either linear or branched. good. Specific examples thereof include methyl methacrylate, ethyl methacrylate, propyl methacrylate, n-butyl methacrylate and the like. These can be used alone or as a mixture of two or more. Of these, methyl methacrylate is preferred.
- the component (I-A3) optionally contained in the monomer component for constituting the innermost layer polymer (I-A) has a copolymerizable double bond (I-Al),
- (I-A3) Monomers other than -A2) include lower alkoxy acrylates, cyanoethyl acrylates, acrylic monomers such as acrylamide, acrylic acid and methacrylic acid, styrene, alkyl-substituted styrene, acrylonitrile, Lonitrile and the like
- the polyfunctional monomer of the component (I-A4) which is optionally contained in the monomer component for constituting the innermost layer polymer (I-A), has the same copolymerizable doubleness. It is defined as a monomer having two or more bonds in one molecule. Specific examples include ethylene glycol It is preferable to use an alkylene glycol dimethacrylate such as rudimethacrylate, 1,3-butyleneglycol dimethacrylate, 1,4-butyleneglycolone resin methacrylate, or propylene daricone resin methacrylate. Polyvinylbenzene such as divinylbenzene and trivinylbenzene can also be used. These can be used alone or in combination of two or more. Among them, 1,3-butylene glycol dimetharate is preferred. Multifunctional monomer
- the graft cross-linking agent (I-A 5) contained in the monomer component of the innermost layer polymer (I-A) has two or more different copolymerizable double bonds in one molecule Defined as a monomer. Specific examples thereof include copolymerizable, acryl, methallyl, and crotyl esters of 3-unsaturated carboxylic acids or dicarboxylic acids.
- acrylic acid, methacrylic acid, maleic acid or aryl ester of fumaric acid is preferred.
- allyl methacrylate is preferred because it exhibits excellent effects.
- triaryl cyanurate, triallyl isocyanurate and the like are also effective. These can be used alone or as a mixture of two or more.
- Graft crosslinkers (I-A5) react primarily and chemically with conjugated unsaturated bonds of the ester much faster than aryl, methallyl, or crotyl groups. During this time, a substantial portion of the aryl, methallyl, or crotyl groups work effectively during the polymerization of the next layer polymer to provide a graft bond between adjacent two layers.
- the polymerization may be performed in the presence of a chain transfer agent.
- the content of acrylic Sana alkyl ester (I- A 1) is 5 0-9 9.
- a 9 mass 0/0 From the viewpoint of the molding whitening resistance of the obtained acrylic resin film material (A), it is preferably at least 55 mass%, more preferably at least 60 mass%. In addition, from the viewpoint of the surface hardness and heat resistance of the obtained acrylic resin film (A) (heat resistance in the case of building materials), it is preferably 79.9% by mass or less, more preferably 69% by mass. . 9 mass% or less is there.
- the content of the alkyl methacrylate (I-A2) in the monomer component for constituting the innermost layer polymer (I-A) is 0 to 49.9% by mass. Preferably it is at least 20% by mass, more preferably 30% by mass. /. That is all. Further, it is preferably at most 44.9% by mass, more preferably at most 39.9% by mass.
- Monomer (I-A3) other than (I-A1) and (I-A2) having a copolymerizable double bond in the monomer component for constituting the innermost layer polymer (I-A) Is 0 to 20% by mass. Preferably it is 15% by mass or less.
- the content of the polyfunctional monomer (I-A4) in the monomer component for constituting the innermost layer polymer (I_A) is 0 to 10% by mass. From the viewpoint of the molding whitening resistance of the obtained acrylic resin film (A), the content is preferably 0.1% by mass or more, more preferably 3% by mass. / 0 or more. From the viewpoint of providing sufficient flexibility and toughness, preferably 6 mass. / 0 or less, more preferably 5% by mass or less.
- the content of the graft-linking agent (I-A5) in the monomer component for constituting the innermost layer polymer (I_A) is 0.1 to 10 mass. /. It is.
- the content is 0.1% by mass or more, the obtained acrylic resin film (A) has good molding whitening resistance and can be molded without deteriorating optical properties such as transparency. . It is preferably at least 0.5% by mass.
- the content is 10% by mass or less, sufficient flexibility and toughness can be imparted to the obtained acrylic resin film material (A). It is preferably at most 5% by mass, more preferably at most 2% by mass.
- the Tg of the innermost layer polymer (I_A) alone is preferably 10 ° C. or lower. More preferably, it is 0 ° C or lower.
- T g is 10 ° C. or less, the obtained multilayer structure polymer (I) exhibits preferable impact resistance, and is therefore preferable.
- T g is the value of F ⁇ X using the value described in Polymerno, Nondobook [Polymer Hand dBook (J. Brandrup, Interscience, 1989) (Non-Patent Document 1)]. It can be calculated from the equation.
- the content of the innermost layer polymer (IA) in the multilayer polymer (I) is preferably 15 to 50% by mass.
- the content is 15% by mass or more, the obtained acrylic resin film (A) can be imparted with molding whitening resistance. It is possible to achieve both toughness that can be formed in one step.
- the content is 50% by mass or less, a film having both surface hardness and heat resistance required for vehicle use (anti-glare resistance for building material use) is obtained, which is preferable. More preferably, the content is 35% by mass or less.
- the innermost layer polymer (IA) may be a single layer or a multilayer, but is more preferably two layers. Although not particularly limited, it is preferable that the monomer composition ratio of the two layers in the innermost layer polymer (I-A) is different.
- the resulting acrylic resin film (A) has whitening resistance, impact resistance, and heat resistance (in the case of building materials, antiglare resistance) and from the viewpoint of surface hardness, the inner layer (the T g of I-AJ is rather lower than the T g of the outer layer (I-a 2) are preferable.
- the Tg of the inner layer (I primary, resistant molding whitening preferably less than a 30 ° C from the viewpoint of sexual contact Yopi impact resistance
- the Tg of the outer layer (I one a 2) surface hardness, one from the viewpoint of heat resistance ( ⁇ return of the case of construction materials)
- the temperature is preferably 15 ° C. to 10 ° C.
- the inner layer (I-A) in the innermost layer polymer (I-A) is preferred.
- content) is preferably 1 to 20 mass%, the content of the outer layer (I _A 2) is preferably 80 to 99 mass%.
- the alkyl acrylate of 1) may be linear or branched. Specific examples thereof include methyl acrylate, ethyl acrylate, propyl acrylate, n-butyl acrylate, 2-ethylhexyl acrylate, and n_octyl acrylate. These can be used alone or in combination of two or more. Of these, preferred are methyl acrylate and n-butyl acrylate.
- the alkyl methacrylate of 2) may be linear or branched. Specific examples thereof include methyl methacrylate, ethyl methacrylate, propyl methacrylate, n-butyl methacrylate and the like. These can be used alone or in combination of two or more. Of these, preferred is methacrylic acid mesylate. Chill.
- the component (I-B3) optionally contained in the monomer component for constituting the intermediate layer polymer (I_B) has a copolymerizable double bond (I-Bl),
- Monomers other than I-B2) include lower alkoxy acrylates, cyanoethyl acrylates, acrylamides, acrylic monomers such as acrylic acid and methacrylic acid, styrene, alkyl-substituted styrenes, acrylonitrile, Metathallonitrile and the like. These can be used alone or in combination of two or more.
- the polyfunctional monomer of the component (I-B4) which is optionally contained in the monomer component for constituting the intermediate layer polymer (IB), is ethylene glycol dimethalate, 1, 3 It is preferable to use alkylene glycol dimethacrylate such as butylene glycol dimethacrylate, 1,4-butylene glycol dimethacrylate, and propylene dalycol dimethacrylate.
- alkylene glycol dimethacrylate such as butylene glycol dimethacrylate, 1,4-butylene glycol dimethacrylate, and propylene dalycol dimethacrylate.
- polyvinylbenzene such as dibutylbenzene and tributylbenzene can also be used. Of these, the preferred one is]., 3-butylylene glycol dimethacrylate. These can be used alone or in combination of two or more.
- Examples of the graft-crosslinking agent (I-B5) contained in the monomer component for constituting the intermediate layer polymer (I_B) include copolymerizable mono-unsaturated carboxylic acids or aryls of dicarbonic acids. Examples include methallyl and crotyl esters. In particular, acrylic acid, methacrylic acid, maleic acid, or allylic ester of fumaric acid is preferred. Of these, allyl methacrylate is preferred because of excellent effects. In addition, triaryl cyanurate, 1, lyaryl isocyanurate and the like are also effective. These can be used alone or as a mixture of two or more.
- Graft crosslinkers (I-B5) mainly react conjugated unsaturated bonds of the ester much faster than aryl, methallyl, or crotyl groups, and are chemically bonded. During this time, a substantial portion of the aryl, methallyl, or crotyl groups work effectively during the polymerization of the next layer polymer to provide a graft bond between adjacent two layers.
- the polymerization may be carried out in the presence of a chain transfer agent.
- the content of the alkyl acrylate (I-B1) in the monomer component for constituting the intermediate layer polymer (I_B) is from 9.9 to 90% by mass.
- the obtained acrylic resin film (A) is preferably 19.9% by mass or more, more preferably Is 29.9% by mass or more. Further, it is preferably at most 60% by mass, more preferably 50% by mass. / 0 or less.
- the content of the alkyl methacrylate (I-B2) in the monomer component for constituting the intermediate layer polymer (I-B) is 9.9 to 90% by mass / 0 .
- the obtained acrylic resin film (A) is preferably 39.9% by mass or more, more preferably 49.9% or more by mass. Further, it is preferably at most 80% by mass, more preferably at most 70% by mass.
- a monomer (I-Bl) other than (I-Bl) or (I-B2) having a copolymerizable double bond is 0 to 20% by mass. Preferably it is 15% by mass or less.
- the content of the polyfunctional monomer (I-B4) in the monomer component for constituting the intermediate layer polymer (IB) is 0 to 10% by mass. From the viewpoint of imparting sufficient flexibility and toughness to the obtained acrylic resin film (A), the content is preferably 6% by mass or less, more preferably 3% by mass / 0 or less.
- the content of the grafting agent (I-B5) in the monomer component for constituting the intermediate layer polymer (I-B) is 0.1 to 10% by mass.
- the content is 0.1% by mass or more, the obtained atalinole resin film (A) has good molding whitening resistance and can be molded without deteriorating optical properties such as transparency. . It is preferably at least 0.5% by mass.
- the content is 10% by mass or less, sufficient flexibility and toughness can be imparted to the obtained acrylic resin film material (A). It is preferably at most 5% by mass, more preferably at most 2% by mass.
- the T g of the intermediate layer polymer (IB) alone needs to be in the range of 25 to 100 ° C.
- acrylic resin film obtained (A) The surface hardness and heat resistance (anti-glare resistance in the case of building materials) are the levels required for vehicle use or building material use. It is preferably at least 40 ° C, more preferably at least 50 ° C.
- an acrylic resin film (A) having excellent molding whitening resistance and excellent immense properties can be obtained. It is preferably at most 80 ° C, more preferably at most 70 ° C.
- intermediate layer polymer (I-B) having a specific composition and T g, it was difficult to achieve the molding whitening resistance, surface hardness and heat resistance (for building material applications).
- the content of the interlayer polymer (IB) in the preferred multilayer polymer (I) is preferably from 5 to 35% by mass. Within this range, the function of the intermediate layer polymer (I-B), which is important for achieving both the above-mentioned molding whitening resistance, surface hardness, and heat resistance (for building materials, anti-glare resistance), is exhibited. In addition to the above, it is preferable because it can impart other physical properties of the obtained acrylic resin film (A), for example, film forming properties, insulator molding and in-mold molding toughness. It is more preferably at most 20% by mass.
- the intermediate layer polymer (I-B) is usually a single layer, but may be composed of two or more layers.
- the methacrylic acid alkynole ester of the component (I-C 1) contained in the monomer component for constituting the outermost layer polymer (I-C) may be either linear or branched. Specific examples thereof include methyl methacrylate, ethyl methacrylate, propyl methacrylate, n-butyl methacrylate and the like. These can be used alone or in combination of two or more. Of these, preferred is methyl methacrylate.
- the alkyl acrylate of the component (I-C 2) optionally contained in the monomer component for constituting the outermost layer polymer (I-C) may be either linear or branched . Specific examples thereof include methyl acrylate, ethyl acrylate, propyl acrylate, n- butyl acrylate, 2-ethylhexyl acrylate, and 11-octyl acrylate. These may be used alone or as a mixture of two or more. Can be used. Of these, preferred are methyl acrylate and n-butyl acrylate.
- the component (I-C 3) optionally contained in the monomer component for constituting the outermost layer polymer (I-C) has a copolymerizable double bond (I-CI)
- Monomers other than I-C2) include lower alkoxy acrylates, cyanoethyl acrylates, acrylamides, acrylic monomers such as atarilic acid and methacrylic acid, styrene, alkyl-substituted styrene, acrylonitrile, and Examples thereof include unsaturated dicarboxylic anhydrides such as tarilonitrile, maleic anhydride, and itaconic anhydride, N-phenylmaleimide, and N-cyclohexylmaleimide. These can be used alone or in combination of two or more.
- the content of the alkyl methacrylate (I- C 1) is a 80-100 mass 0/0. From the viewpoint of the surface hardness and heat resistance of the obtained acrylic resin film material (A) (heat resistance when used for building materials), it is preferably 90% by mass or more, more preferably 93% by mass. / 0 or more . Further, it is preferably at most 99% by mass.
- the content of acrylic Sana alkyl ester (I-C 2) is 0 to 20 mass 0/0. It is preferably at least 1% by mass. Further, preferably 10 wt% or less, more preferably 7 mass 0/0 or less.
- monomers (I-C3) other than (I-CI) and (I-C2) having a copolymerizable double bond ) Is from 0 to 20% by mass / 0 . Preferably it is 15% by mass or less.
- the molecular weight of the outermost layer polymer (I_C) can be adjusted by using a chain transfer agent during the polymerization of the outermost layer polymer (I-C).
- the chain transfer agent is preferably selected from those usually used for radical polymerization, and specific examples thereof include alkyl mercaptans having 2 to 20 carbon atoms, mercapto acids, thiophene phenols, carbon tetrachloride, and the like. These can be used alone or in combination of two or more.
- the content of the chain transfer agent is preferably 0.01 to 5 parts by mass based on 100 parts by mass of the monomer ((I-C1) to (I-C3)) of the polymer (I-C). .
- Than It is preferably at least 0.2 part by mass, most preferably at least 0.4 part by mass.
- the Tg of the outermost layer polymer (I—C) alone is preferably 60 ° C. or higher.
- an acrylic resin film (A) having surface hardness suitable for vehicle use and heat resistance (anti-glare resistance for building material use) is obtained, which is preferable. It is more preferably at least 80 ° C, most preferably at least 90 ° C.
- the content of the outermost layer polymer (IC) in the multilayer polymer (I) is preferably from 15 to 80% by mass.
- a content of 15% by mass or more is preferred from the viewpoints of surface hardness and heat resistance (when used for building materials, anti-glare property). More preferably, it is at least 45% by mass.
- the content is 80% by mass or less, the resulting film can be imparted with whitening resistance to molding, and toughness capable of being subjected to insert molding and in-mold molding.
- the outermost layer polymer (I-C) is usually a single layer, but may be two or more layers.
- the multilayer structure polymer (I) suitably used for the acrylic resin film (A) of the present invention includes the innermost layer polymer (I-A), the intermediate layer polymer (I-B) and the like. And a polymer layer of the outermost polymer (I_C).
- the gel content of the multilayer polymer (I) is preferably 50% or more, more preferably 60% or more, from the viewpoint of obtaining better molding whitening resistance.
- the gel content in this case means that a predetermined amount (mass before extraction) of the multilayer structure polymer (I) is extracted under reflux in an acetone solvent, the treated solution is separated by centrifugation, and the acetone-insoluble matter is dried.
- the mass is measured (mass after extraction) and is the value calculated by the following method:
- the weight average particle diameter of the multilayer polymer (I) is preferably in the range of 0.03 im to 0.3 ⁇ m. From the viewpoint of the mechanical properties of the obtained acrylic resin film (A), it is more preferably at least 0.07 / im, most preferably at least 0.09 / m. In addition, from the viewpoint of whitening resistance and transparency of molding, it is more preferably 0.15 m or less, and most preferably 0.13 / m or less.
- the weight average particle size can be measured by a dynamic light scattering method using a light scattering photometer DLS-700 (trade name) manufactured by Otsuka Electronics Co., Ltd.
- the most suitable method for producing the multilayer polymer (I) is a sequential multistage polymerization method using an emulsion polymerization method, but is not particularly limited thereto.
- the outermost layer It can also be carried out by an emulsion suspension polymerization method in which the polymer (I_C) is converted into a suspension polymerization system during polymerization.
- the multilayer polymer (I) when the multilayer polymer (I) is produced by emulsion polymerization, a single-layer polymer (I-A) which gives the innermost polymer (I-A) in the multilayer polymer (I) is used.
- An emulsion prepared by mixing the monomer components with water and a surfactant in advance is supplied to a reactor and polymerized. Then, the intermediate layer polymer (I-B) and the outermost layer polymer (I-C) are formed.
- a preferred method is to supply the monomer or monomer component to be supplied to the reactor in order and polymerize it.
- An emulsion prepared by mixing the monomer component that gives the innermost layer polymer (I_A) with water and a surface active agent in advance is supplied to the reactor and polymerized, especially in acetone.
- the number of particles having a diameter of 55 m or more present in the dispersion is from 0 to 50 per 100 g of the multilayer polymer (I).
- the acrylic resin film (A) using the multi-layer polymer (I) thus obtained as a raw material has a characteristic that the number of fish eyes in the film is small, and particularly, printing omission is likely to occur. Even when solid gravure printing such as a light-colored wood pattern with a low printing pressure, a metallic tone, or a lacquered tone is applied, it is preferable because it has few print omissions and has a high level of printability.
- anionic, cationic, and nonionic surfactants can be used, and an a Union surfactant is particularly preferable.
- anionic surfactant include carboxylate salts such as rosin stone, potassium oleate, sodium stearate, sodium myristate, sodium N-lauroylsarcosinate, and potassium alkenylsuccinate, sodium lauryl sulfate.
- Sulfate salts such as sodium dioctyl sulfosuccinate, Sulfonates such as sodium dodecylbenzenesulfonate and sodium alkyldiphenylether disulfonate; phosphate salts such as sodium polyoxyethylene alkylphenyl ether phosphate; sodium polyoxyethylene alkyl ether phosphate And the like.
- phosphate esters such as sodium polyoxyethylene alkyl ether phosphate are preferred.
- Preferred examples of the surfactant include NC-718 manufactured by Sanyo Kasei Kogyo Co., Ltd., Phosphanol LS-529 manufactured by Toho Kagaku Kogyo Co., Ltd. Nore R
- Latemul P-0404 Latem / Le P-0405
- Latemul P_0406 Latemnore P-0407 (all of which are trade names) manufactured by Kao Corporation.
- a method of charging a surfactant after charging a monomer component in water a method of charging a monomer component after charging a surfactant in water, A method of charging a surfactant after charging a surfactant into a body component, and the like can be given.
- the method of charging the surfactant after charging the monomer component in water, and the method of charging the monomer component after charging the surfactant in water the multilayer polymer (I) is used. This is a preferred method of obtaining.
- a stirring device for preparing an emulsion prepared by mixing a monomer component that gives the innermost layer polymer (I_A) with water and a surfactant
- a stirrer equipped with a stirring blade
- Various forced emulsifying apparatuses such as a homogenizer and a homomixer, and a membrane emulsifying apparatus are exemplified.
- Emulsions to be prepared are also used in the WZ ⁇ type, in which water droplets are dispersed in the oil of the monomer component, in the O / W type, in which oil droplets of the monomer component are dispersed in water, and in the dispersion structure of misalignment.
- the oil droplets are of the ozw type in which oil droplets of the monomer component are dispersed in water, and the diameter of the oil droplets in the dispersed phase is 100;
- the polymerization initiation used to form the innermost layer polymer (I-A), the intermediate layer polymer (I_B), and the outermost layer polymer (I-C) constituting the multilayer structure polymer (I) Any known agent can be used.
- the addition method is either aqueous phase or monomer phase, Alternatively, a method of adding to both can be used.
- a particularly preferred initiator a peroxide, an azo initiator, or a redox initiator obtained by combining an oxidizing agent and a reducing agent is used.
- a redox initiator is preferred, and a sulfoxylate initiator in which a combination of ferrous sulfate, ethylenediaminetetraacetate, sodium salt, rongalite, and hydroperoxide is particularly preferred.
- a method of adding the polymerization initiator a method of adding the polymerization initiator to one or both of the aqueous phase and the monomer phase (oil phase) can be used.
- the amount of the polymerization initiator to be added may be appropriately determined according to the polymerization conditions and the like.
- an aqueous solution containing ferrous sulfate, ethylenediaminetetraacetic acid ninatridium salt and ngarrit charged in a reactor is heated to the polymerization temperature, and then the innermost layer polymer is obtained.
- An emulsion prepared by mixing a monomer component containing a polymerization initiator such as a peroxide to give (I_A) with water and a surfactant is supplied to a reactor for polymerization, and then the weight of the intermediate layer is increased.
- a monomer component containing a polymerization initiator such as a peroxide that gives a polymer (I-B) is supplied to a reactor to polymerize, and then a peroxide or the like that gives an outermost layer polymer (I-C) It is preferable to supply a monomer component containing a polymerization initiator or the like to a reactor and polymerize the same.
- the polymerization temperature depends on the type and amount of the polymerization initiator used, but is usually preferably 40 ° C or higher, more preferably 60 ° C or higher, and preferably 120 ° C or lower. It is more preferably at most 95 ° C.
- the polymer latex containing the preferred multi-layer polymer (I) obtained by the above method can be treated using a filtration device provided with a filter medium, if necessary.
- This filtration treatment is to remove the scale generated from the latex from the polymerization during the polymerization, or to remove impurities from the polymerization raw material and from the outside during the polymerization. Is a more preferred method for obtaining
- the filtering device used in this case is a GAF filter system of ISP Filters P. Ltd., which uses a bag-shaped mesh filter, or a cylindrical filter on the inner surface of the cylindrical filter chamber.
- a centrifugal filter in which the filter medium is disposed and stirring blades are disposed in the filter medium, or a vibratory filter in which the filter medium makes a horizontal circular motion and a vertical amplitude motion with respect to the filter medium surface is preferable.
- the multilayer structure polymer (I) can be produced by recovering the multilayer structure polymer (I) from the polymer latex produced by the above method.
- the method for recovering the multi-layer polymer (I) from the polymer latex is not particularly limited, and examples thereof include salting or acid precipitation coagulation, spray drying, and freeze drying. You.
- the content of residual metal in the finally obtained multilayer structure polymer (I) is preferably 800 ppm or less.
- a metal salt having a high affinity for water, such as magnesium or sodium is used as a salting-out agent, unless the residual metal content is minimized as much as possible, the finally obtained multilayer structure polymer (I)
- the acrylic resin film material (A) made from ()) is immersed in boiling water, a whitening phenomenon occurs, which is a serious problem in practical use.
- calcium and sulfuric acid-based solidification shows a relatively good tendency, but in any case, in order to provide excellent water whitening resistance, the amount of residual metal must be 800 ppm or less. Yes, the smaller the better.
- the multilayer structure polymer (I) can be used alone, but a resin composition (I I I) using the following thermoplastic polymer (I I) can also be used.
- the thermoplastic polymer (II) contains methacrylic acid alkyl ester (II-A) unit as a main component. Specifically, it contains Metatari Le acid alkyl esters (II-A) 50 to 100 mass 0/0 1 to 4 carbon atoms, ⁇ click acrylic acid alkyl ester (II one B) if necessary and 0-50 wt% At least one kind of monomer (II-C) other than (II-A) and (II-B) having a double bond which can be copolymerized if necessary.
- Metatari Le acid alkyl esters (II-A) 50 to 100 mass 0/0 1 to 4 carbon atoms
- ⁇ click acrylic acid alkyl ester (II one B) if necessary
- thermoplastic polymer / 0 and is obtained by polymerizing a monomer component containing, and has a reduced viscosity (measured at 25 ° C) of 0.1 g of polymer dissolved in l-O OmL of chloroform. Polymers having a weight of 15 L / g or less are preferred. Such a thermoplastic polymer
- the glass transition temperature is preferably 80 ° C or higher, more preferably 90 ° C or higher.
- the alkyl methacrylate (II-A) contained in the monomer component for constituting the thermoplastic polymer (II) include methyl methacrylate, ethyl methacrylate, propyl methacrylate, and n-butyl methacrylate. Of these, methyl methacrylate is preferred. These can be used alone or in combination of two or more.
- the alkyl acrylate (II-B) optionally contained in the monomer components for constituting the thermoplastic polymer (II) includes methyl acrylate, ethyl acrylate, propyl acrylate, and acrylic acid. Examples thereof include n-butyl, and among them, methyl acrylate is preferable. These can be used alone or in combination of two or more.
- aromatic butyl compounds such as styrene, cyanide butyl monomers such as acrylonitrile, unsaturated dicarboxylic anhydrides such as maleic anhydride and itaconic anhydride, N-phenylmaleimide, N-cyclohexylmaleimide, etc. Is mentioned. These can be used alone or as a mixture of two or more.
- the content of the alkyl methacrylate (II-A) contained in the monomer component for constituting the thermoplastic polymer (II) depends on the content of the obtained acrylic resin film.
- the content is 80% by mass or more, and 99.9% by mass. / 0 or less.
- the content of the alkyl acrylate (II-B) contained in the monomer component for constituting the thermoplastic polymer (II) depends on the film forming property of the obtained acrylic resin film (A) and the insertability. From the viewpoint of imparting toughness capable of forming and in-mold forming, 0 to 50% by mass is preferable. It is preferably at least 0.1% by mass and at most 20% by mass.
- the weight is preferably from 0 to 50 mass.
- the reduced viscosity of the thermoplastic polymer (II) (0.1 g of the polymer was dissolved in 100 mL of black form and measured at 25 ° C) was determined by the insert moldability of the acrylic resin film (A) obtained. From the viewpoints of in-mold moldability and film-forming properties, 0.15 LZg or less is preferable. More preferably, it is 0.1 LZg or less. In addition, from the viewpoint of film forming properties, 0.01 L / g or more is preferable, and 0.03 LZg or more is more preferable.
- thermoplastic polymer (II) is not particularly limited, and it can be polymerized by a conventional method such as suspension polymerization, emulsion polymerization, or bulk polymerization.
- the resin composition (III) preferably used for the acrylic resin film (A) of the present invention contains a multilayer polymer (I) and a thermoplastic polymer (II). Preferably, it is composed of 1 to 99% by mass of the multilayer structure polymer (I) and 1 to 99% by mass of the thermoplastic polymer (II). From the viewpoint of the molding whitening resistance of the obtained acrylic resin film (A), the content of the multilayer structure polymer (I) in the resin composition (III) is more preferably 50% by mass or more, most preferably It is preferably at least 70% by mass. The content of the thermoplastic polymer (II) in the resin composition (III) is more preferably 50% by mass or less, and most preferably 30% by mass or less.
- the gel content of the resin composition (III) is preferably from 10 to 80% from the viewpoint of whitening resistance to molding and film forming property. It is more preferably at least 20%, most preferably at least 40%. It is more preferably at most 75%, most preferably at most 70%.
- the acrylic resin film-like substance (A) having an antiglare property can be obtained from the above-mentioned multilayer structure polymer (I) or resin composition (III).
- the resin composition (III) is preferably obtained from a resin composition (IV) containing 0.1 to 40 parts by mass of an anti-glazing agent based on 100 parts by mass.
- an anti-glare agent By using an anti-glare agent, it is possible to further reduce the gloss return of the acrylic resin film (A) due to heat during the secondary molding.
- the delustering agent include various conventionally known delustering agents, whether organic or inorganic. The delustering agent can be used alone or as a mixture of two or more.
- the anti-glare agent from the viewpoint of transparency, for example, spherical fine particles having a weight average particle diameter of about 2 to 15 ⁇ m made of a crosslinked resin containing PMMA as a main component are preferable. Further, from the viewpoints of transparency, anti-glare property, film-forming property and moldability, the following hydroxyl-containing polymer (V) and Z or hydroxyl-containing polymer (VI) are preferable as the anti-glare agent. When the hydroxyl group-containing polymer (V) and / or the hydroxyl group-containing polymer (VI) are used, physical properties such as elongation of the acrylic resin film (A) hardly decrease.
- the acrylic resin film (A) using the hydroxyl group-containing polymer (V) and / or the hydroxyl group-containing polymer (VI) as an anti-glazing agent requires vacuum forming of the film beforehand. Even in in-mold molding or the like, the film does not break and the like can be used more favorably.
- the hydroxyl group-containing polymer (V) has 1 to 80 parts by mass of a (meth) acrylic acid hydroxyalkyl ester having an alkyl group having 1 to 8 carbon atoms and an alkyl group having 1 to 13 carbon atoms.
- a monomer component consisting of 100 to 90 parts by mass of methacrylic acid alkyl ester and 0 to 79 parts by mass of acrylic acid alkyl ester having an alkyl group having 1 to 8 carbon atoms is copolymerized. It is obtained by doing.
- Hydroxyalkyl (meth) acrylates having an alkyl group of 1 to 8 carbon atoms include 2-hydroxyhexyl methacrylate, 2-hydroxypropyl methacrylate, 2,3-dihydroxypropyl methacrylate, acrylic acid 2-hydroxyl, 4-hydroxybutyl acrylate and the like. These can be used alone or in combination of two or more.
- 2-hydroxyalkyl (meth) acrylate having an alkyl group having 1 to 8 carbon atoms 2-hydroxyethyl methacrylate is preferable.
- the content of the (meth) acrylic acid hydroxyalkyl ester having an alkyl group having 1 to 8 carbon atoms in the monomer component that gives the hydroxyl group-containing polymer (V) is 1 to 80% by mass. Range. (Meth) acryl having alkyl group of 1 to 8 carbon atoms When the content of the acid hydroxyalkyl ester is 1% by mass or more, the antiglare effect is further enhanced. Further, when the content of (meth) ⁇ click acrylic acid hydroxyalkyl ester having an alkyl group of 1 to 8 carbon atoms and 8 0 mass 0/0 or less, it is better dispersibility of the particles, manufactured film The film properties become better.
- the content of the hydroxyalkyl (meth) acrylate having an alkyl group having 1 to 8 carbon atoms in the monomer component that gives the hydroxyl-containing polymer (V) is 5% from the viewpoint of mattness. % By mass or more, preferably 20% by mass. / 0 or more is more preferable.
- the content of the hydroxyalkyl (meth) acrylate having an alkyl group having 1 to 8 carbon atoms in the monomer component that gives the polymer (V) having a hydroxyl group is determined in view of the film forming property. Therefore, the content is preferably 50% by mass or less.
- the alkyl group having 1 to 8 carbon atoms in the monomer component to give the hydroxyl group-containing polymer (V) is used.
- the content of the hydroxyalkyl (meth) acrylate is preferably 5% by mass or more, and more preferably 25% by mass or less.
- a (meth) acrylic acid hydroxy compound having an alkyl group having 1 to 8 carbon atoms in the monomer component giving the polymer (V) having a hydroxyl group is preferred.
- the content of the alkyl ester is preferably at least 10% by mass, and more preferably at most 20% by mass.
- alkyl methacrylate having an alkyl group having 1 to 13 carbon atoms lower alkyl methacrylates such as methyl methacrylate, ethyl methacrylate, and butyl methacrylate are preferable, and methyl methacrylate is particularly preferable. These can be used alone or in combination of two or more.
- the content of the alkyl methacrylate having an Al kill group of carbon number 1 to 1 3 in the monomer component giving a polymer containing hydroxyl groups (V) is in the range of 1 0-9 9 mass 0/0 is there.
- the content of the alkyl methacrylate having an alkyl group of 1 to 13 carbon atoms in the monomer component that gives the hydroxyl group-containing polymer (V) is preferably 30% by mass or more.
- the content of the alkyl methacrylate ester having an alkyl group having 1 to 13 carbon atoms is 90 mass. / 0 or less is preferable.
- the alkyl acrylate having an alkyl group having 1 to 8 carbon atoms is preferably a lower alkyl acrylate such as methyl acrylate, ethyl acrylate, butyl acrylate, 2-ethylhexyl acrylate, and the like. These can be used alone or as a mixture of two or more.
- the content of the alkyl acrylate having an alkyl group having 1 to 8 carbon atoms in the monomer component that gives the hydroxyl group-containing polymer (V) is in the range of 0 to 79 mass 0/0 .
- the content of the alkyl acrylate having an alkyl group having 1 to 8 carbon atoms in the monomer component giving the hydroxyl group-containing polymer (V) is preferably 0.5% by mass or more, and more preferably 5% by mass. / 0 or more is more preferable.
- the content of the alkyl acrylate having an alkyl group having 1 to 8 carbon atoms in the monomer component that gives the hydroxyl group-containing polymer (V) is 40 mass. / 0 or less is preferable, and 25% by mass or less is more preferable.
- the glass transition temperature of the hydroxyl group-containing polymer (V) is preferably at least 80 ° C, more preferably at least 90 ° C, from the viewpoint of chemical resistance.
- the content of the alkyl acrylate having an alkyl group having 1 to 8 carbon atoms in the monomer component giving the hydroxyl group-containing polymer (V) is more than 0% by mass and 5% by mass or more.
- the following range is preferred, and 0 mass. The range of more than / 0 and 2% by mass or less is more preferable.
- the intrinsic viscosity of the hydroxyl group-containing polymer (V) is preferably in the range of 0.05 to 0.3 L / g from the viewpoint of the appearance of matte appearance and appearance.
- the intrinsic viscosity of the hydroxyl group-containing polymer (V) is more preferably 0.06 L / g or more. Further, the intrinsic viscosity of the hydroxyl group-containing polymer (V) is more preferably 0.15 L / g or less.
- a polymerization regulator such as mercaptan.
- Examples of the mercaptan include n-octyl mercaptan, n-dodecyl mercaptan, and t-dodecyl mercaptan, but are not particularly limited thereto, and various conventionally known mercaptans can be used.
- the hydroxyl group-containing polymer (VI) is a (meth) acrylic acid hydroxyalkyl ester having an alkyl group having 1 to 8 carbon atoms 5 to 80 parts by mass, a methacrylic acid having an alkyl group having 1 to 13 carbon atoms It is obtained by copolymerizing a monomer component comprising a total of 100 parts by mass of 10 to 94 parts by mass of an alkyl ester and 1 to 80 parts by mass of an aromatic vinyl monomer.
- Examples of the hydroxyalkyl (meth) acrylate having an alkyl group having 1 to 8 carbon atoms include the same ones as in the case of the polymer (V) containing a hydroxyl group, and the preferable ones are also the same.
- the (meth) acrylic acid hydroxyalkyl ester having an alkyl group having 1 to 8 carbon atoms can be used alone or in combination of two or more.
- the content of the (meth) acrylic acid hydroxyalkyl ester having an alkyl group having 1 to 8 carbon atoms in the monomer component that gives the hydroxyl group-containing polymer (VI) is 5 to 80% by mass. Range.
- the content of an alkyl group having 1 to 8 carbon atoms (meth) Atari Le hydroxyalkyl ester 5 mass 0/0 above Ade off effect becomes higher.
- the content of the hydroxyalkyl (meth) acrylate having an alkyl group having 1 to 8 carbon atoms to be 80% by mass / 0 or less, the dispersibility of the particles becomes better, and The film forming property becomes better.
- the content of the (meth) acrylic acid hydroxyalkyl ester having an alkyl group having 1 to 8 carbon atoms in the monomer component giving the hydroxyl group-containing polymer (VI) is determined from the viewpoint of the mattness. , Preferably at least 5 mass% / 0, more preferably at least 10 mass%.
- the content of the (meth) acrylic acid hydroxyalkyl ester having an alkyl group having 1 to 8 carbon atoms in the monomer component that gives the hydroxyl group-containing polymer (VI) is determined based on the film-forming properties and the film resistance. From the viewpoint of chemical properties, the content is preferably 50% by mass or less, more preferably 20% by mass or less.
- alkyl methacrylate having an alkyl group having 1 to 13 carbon atoms examples include the same ones as in the case of the polymer (V) having a hydroxyl group, and preferred ones are also the same.
- Alkyl methacrylate having an alkyl group having 1 to 13 carbon atoms can be used alone or in combination of two or more.
- the content of Metatariru acid alkyl ester having an alkyl group is in the range of 10 to 94 weight 0/0.
- the content of the alkyl methacrylate having an alkyl group having 1 to 13 carbon atoms in the monomer component that gives the hydroxyl group-containing polymer (VI) is preferably 50% by mass or more. Further, the content of the alkyl methacrylate having an alkyl group having 1 to 13 carbon atoms in the monomer component that gives the hydroxyl group-containing polymer (VI) is preferably 90% by mass or less.
- aromatic vinyl monomer Any known aromatic vinyl monomer can be used. Specific examples thereof include styrene, ⁇ -methylstyrene, and the like. These can be used alone or in combination of two or more. Among them, styrene is preferable as the aromatic vinyl monomer. By using the aromatic butyl monomer, the chemical resistance of the film can be further improved.
- the content of the aromatic vinyl monomer in the monomer component that gives the hydroxyl group-containing polymer (VI) is 1 to 80 mass. / 0 range.
- the content of the aromatic vinyl monomer in the monomer component that gives the hydroxyl group-containing polymer (VI) is preferably 5% by mass or more.
- the content of the aromatic vinyl monomer in the monomer component that gives the hydroxyl-containing polymer (VI) is preferably 40% by mass / 0 or less, more preferably 20% by mass or less.
- the glass transition temperature of the polymer (VI) is preferably at least 80 ° C, more preferably at least 90 ° C, from the viewpoint of chemical resistance.
- the intrinsic viscosity of the hydroxyl group-containing polymer (VI) is preferably in the range of 0.05 to 0.3 LZg from the viewpoint of the appearance of matte appearance and appearance.
- the intrinsic viscosity of the hydroxyl group-containing polymer (VI) is more preferably at least 0.6 L / g.
- the intrinsic viscosity of the hydroxyl group-containing polymer (VI) is more preferably 0.15 LZg or less. Is preferred.
- the mercaptan include n-octyl mercaptan, n-dodecyl mercaptan, t-dodecyl mercaptan and the like, but are not particularly limited thereto, and various conventionally known mercaptans can be used.
- the method for producing the hydroxyl group-containing polymer (V) and the hydroxyl group-containing polymer (VI) is not particularly limited, but suspension polymerization, emulsion polymerization and the like are preferred.
- the initiator of the suspension polymerization various conventionally known initiators can be used.
- the amount of the initiator may be appropriately determined depending on the polymerization conditions and the like.
- suspension stabilizer various conventionally known suspension stabilizers can be used. Specific examples thereof include organic colloidal polymer substances, inorganic colloidal polymer substances, inorganic fine particles, and combinations of these with surfactants. These can be used alone or in combination of two or more.
- the amount of the suspension stabilizer to be added may be appropriately determined according to polymerization conditions and the like.
- suspension polymerization is usually carried out by aqueous suspension of monomers together with a polymerization initiator in the presence of a suspension stabilizer.
- suspension polymerization can also be carried out by dissolving a polymer soluble in the monomer into the monomer.
- the resin composition (IV) is obtained by adding the hydroxyl group-containing polymer (V) or the hydroxyl group-containing polymer (VI) to 100 parts by mass of the multilayer structure polymer (I) or the resin composition (III). ) Is preferably 0.1 to 40 parts by mass.
- the content of the matting agent in the resin composition (IV) is preferably 100 parts by mass of the multilayer polymer (I) or the resin composition (III). More than 0.1 parts by mass with respect to parts provides a better anti-glare effect.
- the content of the matting agent in the resin composition (IV) is preferably 2 parts by mass with respect to 100 parts by mass of the multilayer structure polymer (I) or the resin composition (III) from the viewpoint of obtaining a better matting effect. Parts or more is more preferable, and 5 parts by mass or more is most preferable.
- the gel content of the resin composition (IV) of the present invention is preferably from 10 to 80% from the viewpoint of whitening resistance to molding and film formation. It is more preferably at least 20%, most preferably at least 40%. Also, more preferably 75 ° /. Or less, most preferably 70% or less.
- the acrylic resin film (A) satisfying the molding whitening resistance, surface hardness, heat resistance, and transparency or matting property of the present invention is the above-mentioned multi-layer polymer (I) or multi-layer structure.
- a resin composition (1 1 1) comprising a polymer (I) and a thermoplastic polymer (II) containing alkyl methacrylate as a main component, or a multilayer polymer
- thermoplastic polymer (II) apart from the above-mentioned thermoplastic polymer (II), the reduced viscosity (0.1 g of the polymer dissolved in 10 OmL of clog form and measured at 25 ° C.) is 0.15 LZ g. Greater thermoplastic polymers (VII) can also be used.
- thermoplastic polymer (VII) is a component that further improves the film-forming properties, and further enhances the antiglare property when the polymer (V) or (VI) containing a hydroxyl group is used.
- the amount of the thermoplastic polymer (VII) is more than 0 parts by mass and not more than 20 parts by mass with respect to 100 parts by mass of the multilayer structure polymer (I) or the resin composition (III) or the resin composition (IV). It is preferable to use them. More preferably, it is in the range of 1 to 10 parts by mass from the viewpoint of film forming properties.
- the acrylic resin film (A) of the present invention may contain, if necessary, a general compounding agent, for example, a stabilizer, a lubricant, a processing aid, a plasticizer, an anti-impactant, a foaming agent, a filler, an antibacterial agent, It can contain a fungicide, release agent, antistatic agent, coloring agent, ultraviolet absorber, light stabilizer and the like.
- a general compounding agent for example, a stabilizer, a lubricant, a processing aid, a plasticizer, an anti-impactant, a foaming agent, a filler, an antibacterial agent, It can contain a fungicide, release agent, antistatic agent, coloring agent, ultraviolet absorber, light stabilizer and the like.
- an ultraviolet absorber to impart weather resistance.
- Known UV absorbers can be used, and copolymer type ones can also be used.
- the molecular weight of the ultraviolet absorber used is preferably 300 or more, more preferably 400 or more.
- the use of an ultraviolet absorber with a molecular weight of 300 or more can prevent the contamination of the mold due to the volatilization of the ultraviolet absorber during vacuum molding or pressure molding in the injection mold. You.
- UV absorbers having a higher molecular weight are less likely to cause long-term bleed-out after being processed into a film state, and UV absorbing performance is maintained over a longer period than those having a lower molecular weight.
- the molecular weight of the ultraviolet absorbent is 300 or more, the amount of the ultraviolet absorbent volatilized before the acrylic resin film material (A) is extruded from the T-die and cooled by the cooling roll. Less is. Therefore, satisfactory performance is exhibited because the amount of the remaining ultraviolet absorber is sufficient.
- the volatile ultraviolet absorber recrystallizes on the exhaust hood, which suspends the T-die at the top of the T-die, grows with time, and eventually falls on the film, causing defects in appearance. Problems are reduced.
- the type of the ultraviolet absorber is not particularly limited, but a benzotriazole-based compound having a molecular weight of 400 or more or a triazine-based compound having a molecular weight of 400 or more can be particularly preferably used.
- a benzotriazole-based compound having a molecular weight of 400 or more or a triazine-based compound having a molecular weight of 400 or more can be particularly preferably used.
- Specific examples of the former are: Chivas @ Charity Chemicals Co., Ltd .: Chinubin 234, Asahi Denka Kogyo Co., Ltd .: Adekastab LA-31, Specific examples of the latter are: Chivas @ Charity Chemicals product name: Tinuvin 157 7 and the like.
- the acrylic resin film material (A) of the present invention When the acrylic resin film material (A) of the present invention is used for a vehicle, it is necessary to have the hair styling resistance property and the fragrance resistance property which are in accordance with various vehicle standards. In consideration of these characteristics, it is preferable to use an ultraviolet absorber having a melting point of 180 ° C. or less. Such an ultraviolet absorber is a hair styling agent and a fragrance that is hardly crystallized when applied to an acrylic resin film material (A).
- the product name of Cibas Charity Chemicals: Tinuvin 23 4, Tinuvin 329 and Tinuvin 157 7 are particularly preferred.
- the amount of the ultraviolet absorber added is preferably in the range of 0.1 to 10 parts by mass. From the viewpoint of improving the weather resistance, the addition amount is more preferably 0.5 part by mass, and most preferably 1 part by mass or more. From the viewpoints of roll contamination during film formation, chemical resistance and transparency, the addition amount is preferably 5 parts by mass or less, most preferably 3 parts by mass or less.
- Known light stabilizers can be used.
- a radical scavenger such as a hindered amine light stabilizer.
- the change in appearance when hair styling materials are adhered can be remarkably improved, and the value for industrial use is high.
- the amount of the hindered amine light stabilizer is preferably in the range of 0.01 to 5 parts by mass. From the viewpoint of improving light resistance and chemical resistance, the addition amount is more preferably 0.1 part by mass, and most preferably 0.2 part by mass or more. From the viewpoint of roll contamination during film formation, the addition amount is preferably 2 parts by mass or less, most preferably 1 part by mass or less.
- the polymer (V) having a hydroxyl group and / or the polymer (VI) having a hydroxyl group is used as the matting agent in the resin composition (IV)
- 100 parts by mass of the resin composition (IV) is used. It is preferable to contain 0.01 to 3 parts by mass of a phosphorus compound based on the total amount.
- the content of the phosphorus-based compound is preferably 3 parts by mass or less based on 100 parts by mass of the resin composition (IV), from the viewpoint of roll contamination during film formation and economical viewpoint.
- the content of the phosphorus compound is more preferably at least 0.1 part by mass based on 100 parts by mass of the resin composition (IV). Further, the content of the phosphorus compound is more preferably 1 part by mass or less based on 100 parts by mass of the resin composition (IV).
- Phosphorus compounds include phosphite compounds such as trialkyl phosphites, alkyl aryl phosphites, aryl phosphites, noninole refininole phosphites, and ano requinole noninole n phenyl phosphites; Phosphate, tripolyoxyethylene olenoquinoleate enolephosphate, dianolequinolephosphate and its metal salts, dipolyoxyethylene alkyl ether phosphate and its metal salts, alkyl phosphate and its metals Phosphate compounds such as salts, polyoxyethylene alkyl ether phosphates and metal salts thereof; Phosphonate compounds such as alkylalkylphosphonates, alkylalkylphosphonates and metal salts thereof; and the like.
- a phosphite-based compound is particularly preferred from the viewpoint of the appearance of the matte. Further, among the phosphite-based compounds, those having no bulky substituent around the phosphite group are more preferable from the viewpoint of the appearance of the matte. In addition, trialkyl phosphite is preferred from the viewpoint of hydrolysis resistance (roll contamination during film formation).
- a multilayer polymer (I) or a resin composition (III) or a resin composition (IV) is added to an extruder for forming an acrylic resin film (A).
- kneading a mixture obtained by adding a compounding agent to a component containing the multilayer structure polymer (I) or the resin composition (III) or the resin composition (IV) in advance with various kneading machines.
- kneader used in the latter method include ordinary single-screw extruders, twin-screw extruders, Banbury mixers, and roll kneaders.
- the acrylic resin film-like material (A) of the present invention was prepared by subjecting a test piece having a width of 2 O mm to an end chip under conditions of an initial distance between chucks of 25 mm, a speed of 50 mm / min, and a temperature of 23 ° C.
- the value measured by the test method of JIS 7136 (measuring method of haze value) of the test piece after performing the tensile test so that the distance between the jacks is 33 mm, and the value of the test piece before the tensile test Those whose difference from the value measured by the test method of JISK 7136 (measuring method of haze value) is 30% or less can also be used.
- the difference is preferably 10% or less, more preferably 5% or less.
- the acrylic resin film (A), and the acrylic resin laminated film, the photocurable acrylic resin film or sheet containing the same, and the molding whitening generated in the step of performing insert molding or in-mold molding on the laminated film or sheet are as described above. Corresponds to the difference.
- the formation whitening that occurs in the process of applying V-stretching and rubbing in cold regions also corresponds to the above difference.
- a test piece with a width of 2 O mm was tensioned at an initial chuck distance of 25 mm, a tensile speed of 300 mm / min, and a temperature of 15 ° C so that the end point chuck distance was 33 mm.
- the difference between the value measured by the test method of JISK 7136 (measuring method of haze value) of the test piece before and after the tensile test of the test piece after the test may be 10% or less preferable. If the difference under this condition is 10% or less, the whitening of the formed pattern becomes inconspicuous even in a printed pattern such as jet-black tone in which the whitened portion is more conspicuous than the normal grain pattern / metallic pattern. Get higher.
- the acrylic resin film ( ⁇ ) of the present invention has a pencil hardness (measured based on JIS 540) of 2 mm or more. It is more preferably at least ⁇ , and most preferably at least F.
- an acrylic resin film ( ⁇ ) having a pencil hardness of 2 mm or more is used, the acrylic resin film ( ⁇ ) and the acrylic resin laminated film containing it during the process of insert molding or in-mold molding.
- the photocurable acrylic resin film or sheet and the laminated film or sheet are not easily scratched, and the molded article has good scratch resistance.
- the acrylic resin film ( ⁇ ) of the present invention preferably has a pencil hardness of ⁇ or more.
- Acrylic resin film material ( ⁇ ) having a pencil hardness of ⁇ ⁇ or more, and an acrylic resin laminated film, a photocurable acrylic resin film or sheet containing it, and a laminated molded product using the laminated film or sheet are: It can be suitably used for various vehicle members such as door garnish, front control panel, near window switch panel, and airbag cover. It is industrially very useful from the viewpoint of expanding applications.
- the pencil hardness is F or more, even if the surface is scratched with gauze or other rough cloth, scratches are not noticeable, and molding is performed using an acrylic resin film ( ⁇ ) with a pencil hardness of 2 mm.
- the practical utility value is very high because practical scratch resistance performance equivalent to the product can be provided.
- An acrylic resin laminated film can be obtained by using the acrylic resin film (A) having a pencil hardness of 2 B or more of the present invention. Such an acrylic resin laminated film of the present invention will be described later. However, when the acrylic resin film-like material (A) is located on the outermost layer of the acrylic resin laminated film, it has a pencil hardness of 2 H or more. Even when the acrylic resin layer (A'-a) is located on the outermost layer of the acrylic resin laminated film (that is, the upper layer of the acrylic resin film (A)), the surface hardness is not easily reduced. Using this acrylic resin laminated film, it is difficult to damage during the process of insert molding or in-mold molding, and the molded product has good scratch resistance. HB or more is preferable, and F or more is more preferable.
- the acrylic resin film (A) having a pencil hardness of 2 B or more according to the present invention can be used as a photocurable acryl resin film or sheet.
- a photocurable acryl resin film or sheet of the present invention will be described later, but the photocurable acryl resin film or sheet is not easily damaged during the process of insert molding or in-mold molding.
- the pencil hardness of the photocurable acrylic resin film or sheet after photocuring is strongly affected by the pencil hardness of the acrylic resin film material (A) as the base material. Hardness must be at least 2B. HB or more is preferable, and F or more is more preferable.
- the acrylic resin film (A) having a pencil hardness of 2 B or more of the present invention can be used, for example, to form a laminated film or sheet for building materials.
- the laminated film or sheet for building materials of the present invention will be described later.
- the laminated film or sheet for building materials is hardly damaged during a process such as V-cutting and rubbing.
- the molded article also has good scratch resistance.
- the acrylic resin film (A) of the present invention preferably has a pencil hardness of HB or higher. If the acrylic resin film (A) has a pencil hardness of HB or more, the molded article using the laminated film or sheet for building materials having the acrylic resin film (A) will not be used for sashes such as windows and entrances. It can be suitably used for various building materials such as sliding doors and entrance doors. Viewpoint of expanding applications Very industrially useful.
- the value of the haze value of the acryl resin film material (A) measured by the test method of JISK 713 is 2% or less.
- Such an ataryl resin film (A) is preferable because the pattern layer looks clear and faithful without being affected by the acrylic resin film (A) even when a dark pattern layer such as jet black is provided.
- Such an acrylic resin film (A) shows the same appearance as a clear coating. It is more preferably at most 1%, further preferably at most 0.5%, most preferably at most 0.4%.
- the acrylic resin film material (A) of the present invention when the acrylic resin film material (A) of the present invention is combined with a metallic layer or the like, it is preferable that at least one surface has a surface glossiness of 60 ° or less of 100% or less.
- the surface glossiness is more preferably 50% or less, particularly preferably 20% or less.
- the acrylic resin film (A) having a surface gloss of at least one side of 60 ° and a gloss of 100% or less has excellent design properties and a matte appearance.
- the acrylic resin film (A) of the present invention preferably has a heat distortion temperature (measured based on ASTM D648) of 80 ° C or more.
- a heat distortion temperature measured based on ASTM D648
- the surface of the acrylic resin film (A) does not show whitening or clouding when exposed to high temperatures for a long period of time, so its industrial utility value is high.
- the thermal deformation temperature of the acrylic resin film (A) is 80 ° C. or more, the acryl resin film (A), the acrylic resin laminated film containing the same,
- the laminated molded product using the curable acrylic resin film or sheet and the laminated film or sheet can also be used for a part receiving direct sunlight in a vehicle, such as a front control panel.
- the heat distortion temperature is more preferably 90 ° C or more.
- the above-mentioned measurement of the heat distortion temperature is performed by using a heat deformation temperature measurement specimen which is formed by injection molding a raw material pellet of the acrylic resin film (A) and then annealed at 60 ° C for 4 hours.
- the thermal deformation temperature to be measured is usually the same as the thermal deformation temperature of the acrylic resin film (A) .Acrylic whose at least one side has a surface gloss of 60% or less is 100% or less.
- Resin filler In the case of the lumpy material (A), if the heat distortion temperature is 80 ° C or more, the change in the glossiness of the acrylic resin film-like material (A) surface after prolonged exposure at a high temperature is small.
- the acrylic resin film (A) having a heat distortion temperature of 80 ° C or more has a higher industrial value. If the heat distortion temperature is 90 ° C or more, it can be suitably used for a part receiving direct sunlight in a vehicle such as a front control panel. Therefore, from the viewpoint of further expanding applications, the heat distortion temperature is more preferably 90 ° C or higher.
- the acrylic resin film (A) of the present invention When used as a photocurable acrylic resin film or sheet, the acrylic resin film (A) of the present invention must have a heat distortion temperature (measured based on ASTM D648) of 80 ° C or more. Is preferred. When the heat distortion temperature is 80 ° C or more, the photocurable resin composition and the acrylic resin film are less likely to be stretched in the drying step for removing the solvent after the photocurable resin composition is applied to the film. In addition, it is possible not only to minimize the decrease in scratch resistance and surface hardness after curing, but also to increase the drying temperature, so that drying can be efficiently performed with a minimum of drying equipment.
- the thermal deformation temperature of the acrylic resin film is more preferably at least 85 ° C, most preferably at least 90 ° C.
- the acrylic resin film (A) has a heat distortion temperature (measured based on ASTM D648) of 80 ° C. It is preferable that it is above.
- the heat distortion temperature is 80 ° C or more, when processing by sticking to the surface of various substrates by rubbing, etc. It is difficult to generate lustrous changes such as lustrous return! / Since a laminated film or sheet can be obtained, its industrial value is high. In building materials, the surface of the laminated film or sheet may be particularly hot in actual use.
- Exterior materials such as door materials, window frame materials, outer wall materials, fences, roofs, roof decks, balconies, shutters From the viewpoint of further expanding applications such as semi-exterior applications, it is more preferable that the heat distortion temperature is 90 ° C or higher.
- the method for producing the acrylic resin film (A) used in the present invention include a melt casting method, a melt extrusion method such as a T-die method and an inflation method, and a known method such as a calendar method.
- the T-die method is preferred in terms of economy.
- the acrylic resin film (A) is formed by the T-die method, a film is sandwiched between a plurality of jaws or belts selected from a metal jaw, a non-metal jaw, and a metal belt. If the method is used, the surface smoothness of the obtained acrylic resin film (A) can be improved, and printing omissions when the acrylic resin film (A) is subjected to printing can be suppressed.
- the metal roll a mirror-finished touch roll made of metal; Japanese Patent No. 2808251 (Reference 29) or W ⁇ 97 / 289
- a port used in a sleeve touch system including a metal sleeve (metal thin-film pipe) and a molding port described in Japanese Patent Publication No. 50 (Reference Document 30) can be given.
- the nonmetallic roll include a touch roll made of silicon rubber or the like.
- examples of the metal belt include a metal endless belt and the like. It should be noted that a plurality of these metal rolls, non-metal rolls, and metal velvets can be used in combination.
- a component containing the resin composition (I) or the resin composition (III) or the resin composition (IV) (hereinafter sometimes referred to as an “acrylic resin composition”) is sandwiched in a state where there is substantially no bank (resin pool).
- the film is formed by surface transfer without being substantially rolled. If a film is formed without forming a bank (resin pool), the acryl resin composition in the cooling process is transferred onto the surface without rolling, so the acrylic resin film formed by this method (A)
- the melt extrusion is performed by the T-die method or the like, it is also preferable to extrude while filtering the molten acrylic resin through a screen mesh of 200 mesh or more. .
- the acrylic resin composition is immediately turned into a film shape by a melt extrusion method such as a T-die method. And a rubber roll or a roll containing sipo to form a film.
- a melt extrusion method such as a T-die method.
- a rubber roll or a roll containing sipo to form a film.
- the method of forming a film by sandwiching between a mirror roll and a rubber roll is a relatively thin film of about 50 // m compared to the method of forming a film by sandwiching between a mirror roll and an embossed roll. It is more preferable in that a thick film can be produced.
- the calendar method it is also possible to form a film by replacing one side of the two mirror-finished rolls on which the film is finally sandwiched with a rubber roll or a roll with sipo.
- the acryl resin film (A) is heated again to a temperature equal to or higher than the glass transition temperature, and is sandwiched between a mirror roll and a rubber roll or embossed roll to form a film. It can also be manufactured.
- mirror-finished roll a roll having a surface roughness of 0.5 S or less subjected to chrome plating is particularly preferable.
- the followability of the rubber roll or embossed entrance roll becomes better, and good glossiness is exhibited by the film surface in contact with the rubber roll or embossed entrance roll.
- the mirror surface transfer property of the mirror surface roll to the acrylic resin film (A) becomes better, and the smoothness of the surface in contact with the mirror surface roll tends to be increased, so that the printing omission tends to be further reduced.
- the temperature of the mirror roll is too high, the releasability of the acrylic resin film (A) from the mirror roll may be reduced, or the acrylic resin film (A) may be wrapped.
- the temperature of the mirror roll is too low, the mirror roll's mirror transferability to the acrylic resin film material (A) is reduced, and the effect of reducing print omission is not sufficiently obtained, or the film is wrinkled. It ’s easy.
- the temperature of the cooling roll it is preferable to control the temperature of the cooling roll within the range of 20 to 140 ° C.
- the temperature of the cooling roll is more preferably 50 ° C or more, and particularly preferably 60 ° C or more. Further, the temperature of the cooling roll is more preferably 120 ° C. or less, and particularly preferably 100 ° C. or less.
- alumina is preferable from the viewpoint of heat resistance.
- silicone rubber containing alumina is preferable from the viewpoint of obtaining a good matting property.
- the particle size and amount of alumina added to the silicone rubber may be appropriately determined according to the use. Specifically, for example, a silicone rubber roll to which 50% by mass of alumina having an average particle size of 40 / im is added can be used.
- a roll with embossing can be used instead of the rubber roll.
- Various conventionally known rolls can be used as the embossing roll.
- Difference in surface glossiness of acrylic resin film (A) obtained by the above method [(60 ° surface glossiness of film surface in contact with mirror roll side) 1 (contact with mirror roll side) Absolute value of 60 ° surface glossiness of the unexposed film surface] can be controlled by the film forming conditions and the type of non-mirror roll such as rubber opening and embossing entrance.
- the difference in the surface glossiness is preferably 5% or more from the viewpoints of print omission property and glossiness. Further, the difference in the surface glossiness is more preferably at least 10%, particularly preferably at least 15%.
- the mirror surface is transferred to the film surface that has been in contact with the mirror surface side, surface protrusions due to foreign matter that may cause printing loss can be significantly reduced. Therefore, when printing is performed on the surface that has been in contact with the mirror roll side, the printing omission can be significantly reduced.
- the surface glossiness at 60 ° of the film surface not in contact with the mirror surface roll side can be controlled by the type of non-mirror surface roll such as a roll with a rubber opening and a grain.
- the 60 ° surface glossiness of the film surface not in contact with the mirror roll side is preferably 100% or less from the viewpoint of design properties and appearance of matte appearance. Further, the 60 ° surface glossiness of the film surface not in contact with the mirror roll side is more preferably 50% or less.
- the thermal deformation temperature of the acrylic resin film material (A) When compared among films having the same surface glossiness, the higher the thermal deformation temperature of the acrylic resin film material (A), the less the glossiness during insert molding or in-mold molding is reduced. Therefore, from the viewpoint of glossiness during insert molding and in-mold molding, the thermal deformation temperature of the acrylic resin film (A) The higher the degree, the better. From the viewpoint of peelability from the mirror roll, followability of rubber roll or embossed entrance, and gloss return during molding, Ataryl resin film
- the heat distortion temperature of (A) is preferably in the range of 85 ° C. to 105 ° C., more preferably 90 ° C. or higher, and even more preferably 100 ° C. or lower.
- the thickness of the acrylic resin film (A) of the present invention is preferably from 10 to 500; By setting the thickness of the acrylic resin film (A) to 500 / m or less, rigidity suitable for insert molding and ink molding can be obtained, and a film can be more stably manufactured.
- the thickness of the acrylic resin film (A) is more preferably at least 30 Aim, most preferably at least 50 / in.
- the thickness of the acrylic resin film ( ⁇ ) is more preferably at most 300 / im, most preferably at most 200 ⁇ .
- the laminated molded article of the present invention can easily form a very thick coating film because the acrylic resin film (A) itself is a coating film, and has high industrial application value.
- the acrylic resin laminated film of the present invention has the acrylic resin film (A) of the present invention, and further includes another acrylic resin film ( ⁇ ′) or a fluororesin film ( ⁇ ′ ′). It has.
- the acrylic resin film ( ⁇ ) is used as the base material and the acrylic resin film ( ⁇ ') is used for the surface layer of the acrylic resin laminated film of the present invention
- the acrylic resin film ( ⁇ ) is used.
- an acrylic resin film (A′-a) having a high surface hardness Specifically, it is preferable to use an acrylic resin film ( ⁇ ′-a) having a pencil hardness (measured based on JISK540) of 2 H or more.
- the acrylic resin film (A) of the present invention is used as the substrate, and as the surface layer, the acrylic resin film having a pencil hardness of 2 H or more.
- an acrylic resin laminated film having both excellent whitening resistance, surface hardness (scratch resistance) and heat resistance can be obtained as compared with currently known acrylic resin laminated films. Is preferred because
- the acrylic resin film (A, 1a) may be formed of a thermoplastic resin containing alkyl methacrylate as a main component, or may contain rubber in the thermoplastic resin. It may be formed from a resin composition obtained by mixing a polymer, and is not particularly limited. When insert molding or in-mold molding is applied to the acrylic resin laminated film, the stress relaxation of the acrylic resin film (A'-a) becomes insufficient, and cracks, breaks, peeling at the laminated part, etc. From the viewpoint of avoiding generation, it is preferable that the resin composition is formed from a resin composition obtained by mixing a small amount of a rubber-containing polymer with a thermoplastic resin containing alkyl methacrylate as a main component.
- the acrylic resin film (A'-a) is different from the acrylic resin film (A) in the content of the multilayer polymer (I). It is particularly preferred to use
- preferable resin compositions include those containing the following (i) and (ii).
- thermoplastic resin as a main component a methacrylic acid alkyl ester and methacrylic acid alkyl esters 5 0-1 0 0 mass 0/0, and Akuriru acid Arukirue ester 0-5 0% by weight, which can be copolymerizable therewith
- a thermoplastic resin comprising 0 to 49% by mass of another butyl monomer.
- Three-layer structure consisting of an intermediate layer elastic polymer obtained by polymerizing a monomer of alkyl acrylate and an outermost polymer formed of a monomer of alkyl methacrylate A rubber-containing polymer having an average particle size of 0.2 to 0.4 ⁇ .
- thermoplastic resin (i) 20 to 94.5 parts by mass, and rubber-containing polymer (ii-1a)
- the rubber-containing polymer (ii_a) contains 5 to 80 parts by mass of the atalinoleic acid alkyl ester-based elastic polymer in an amount of 5 to 72 parts by mass [component (i) and component (ii)] 100 parts by mass in total].
- the acrylic resin film (A'-a) used in the present invention may be, if necessary, a general compounding agent, for example, a stabilizer, a lubricant, a processing aid, a plasticizer, an anti-impactant, a foaming agent, It may contain a filler, an antibacterial agent, a fungicide, a release agent, an antistatic agent, a coloring agent, an anti-glazing agent, an ultraviolet absorber, a light stabilizer and the like.
- a general compounding agent for example, a stabilizer, a lubricant, a processing aid, a plasticizer, an anti-impactant, a foaming agent.
- It may contain a filler, an antibacterial agent, a fungicide, a release agent, an antistatic agent, a coloring agent, an anti-glazing agent, an ultraviolet absorber, a light stabilizer and the like.
- an ultraviolet absorber in order to impart weather resistance.
- the molecular weight of the ultraviolet absorbent used is preferably 300 or more, more preferably 400 or more.
- an ultraviolet absorber having a molecular weight of 300 or more is used, mold contamination due to volatilization of the ultraviolet absorber during vacuum molding or pressure molding in an injection molding die can be prevented.
- UV absorbers having a higher molecular weight are less likely to cause long-term bleed-out after processing into an acrylic resin laminated film state, and UV absorption performance is maintained for a longer period than those having a lower molecular weight. .
- the method of adding the compounding agent includes a method of supplying the extruder together with a raw material for an acrylic resin film (A'-a) for forming the acrylic resin film ( ⁇ '-a) of the present invention.
- the kneading machine used in the latter method is a usual single screw extruder, twin screw extruder, Banbury mixer. And a roll kneader.
- the gloss of A′-a) can be reduced. Specifically, a method of kneading an inorganic filler or crosslinkable polymer particles, a method of copolymerizing an epoxy group-containing monomer, a method of using a linear polymer having a hydroxyl group, and embossing It can be implemented by a method. Further, the acrylic resin film ( ⁇ ′-a) of the present invention may be obtained by coloring.
- the thickness of the acrylic resin film (A) in the acrylic resin laminated film of the present invention is preferably 10 to 500 ⁇ m, more preferably 30 ⁇ ra or more and 200 ⁇ . It is as follows. When it is less than 500 m, the acrylic resin laminated film finally obtained has the rigidity suitable for the insert molding and the in-mold molding, and is stable when the acrylic resin film (A) is formed into a film. This is preferable because a film can be manufactured. It is preferable that the ratio is not less than ⁇ , since the protective property of the base material and the obtained multilayer molded article can be given a sense of depth.
- the thickness of the acrylic resin film material ( ⁇ ′-a) in the acrylic resin laminated film of the present invention is preferably 1 to 30 / ⁇ m, more preferably 3 m or more and 20 / im or less. is there. In the case of not more than 30 im, the surface hardness (scratch resistance) and heat resistance of the acrylic resin laminated film of the present invention are improved, and when the laminated film is subjected to the insert molding or the in-mold molding, the ataryl resin film It is preferable because the laminate (A′-a) does not show cracks, breakage, peeling at the laminated portion, whitening, etc., and a laminated molded product can be obtained without impairing the design.
- the acrylic resin film (A′-) has a uniform film thickness while maintaining the effect of improving the surface hardness (scratch resistance) and heat resistance of the acrylic resin laminated film of the present invention. a) is preferable since it can be obtained. Further, in order to form a coating film having a sufficient thickness on a molded article by coating, it is necessary to apply the coating several times, which is costly and productivity is extremely deteriorated. In the case of a laminated molded product, the acrylic resin laminated film itself becomes a coating film, so that a very thick coating film can be easily formed, and the industrial application value is high.
- the acrylic resin film (A) of the present invention is used as a base material and has a pencil hardness of 2 H or more. Further, on the surface layer side or the back side of the acrylic resin laminated film using the acrylic resin film material (A'-a) for the surface layer, the pencil hardness is 2 H from the viewpoint of surface hardness (scratch resistance) and heat resistance.
- the above acrylic resin film (A'-a) may be laminated.
- a fluororesin film ( ⁇ ′ ′) is used. Further, an acrylic resin having a pencil hardness of F or less is further provided on the substrate side of the acrylic resin laminated film from the viewpoint of imparting workability.
- a resin film ( ⁇ '-b) may be laminated. This makes it possible to obtain a three-dimensionally shaped product by not only vacuum forming such as insert molding or in-mold forming but also other processing methods, for example, rubbing processing, thereby increasing industrial utility value.
- the acrylic resin film ( ⁇ ) is used as the base material and the acrylic resin film ( ⁇ ) is used for the surface layer
- the acrylic resin film ( ⁇ ) is used as the acrylic resin laminated film of the present invention. It is preferable to use an acrylic resin film (A, -b) having a lower surface hardness than that of
- an acrylic resin film (A'-b) having a F of not more than F (measured based on K5400). It is more preferably at most HB, even more preferably at most 3B.
- the acrylic resin film (A'-b) having a pencil hardness of F or less is used as the base material, and the acrylic resin film (A) of the present invention is used as the surface layer.
- acrylic resin (laminated) film it is preferable because it can provide an acrylic resin laminated film with excellent molding whitening resistance, excellent surface hardness (scratch resistance), and heat resistance. .
- the acrylic resin film (A'-b) is obtained by mixing a multi-layered polymer having a specific structure alone or, if necessary, a thermoplastic resin containing alkyl methacrylate as a main component. It is preferably formed from a resin composition.
- X and Y may be the same or different, and are each H, Cl, F, Br, CH 3 , COOH, C ⁇ OCH 3 , CN, OCOCH 3 , C 6 H 5, O-lower alkyl, COCH 3, a S_ ⁇ 3 H.
- Prefecture consists, glass transition temperature of the polymer is less than 70 ° C, the thermoplastic resins having a weight average molecular weight of 1 00,000 to 300,000.
- Multi-layered polymer having a specific structure (rubber-containing polymer):
- (iv-a) 80 to 100% by mass of an alkyl acrylate having 1 to 8 carbon atoms and Z or alkyl methacrylate of 1 to 4 carbon atoms (iv_aa1), 0 to 20% by mass (iv- aa 1) component and other copolymerizable that having a double bond monomer (i v_ aa 2), 0 ⁇ ; L 0 wt% of a polyfunctional monomer (IV- aa 3 ), (Iv-aa) to (iv_aa3), based on 100 parts by mass of the total amount of the innermost layer polymer (iv-aa), comprising 0.1 to 5 parts by mass of a graft-crosslinking agent.
- V- ac was used as a basic structural unit, the polymer (i V- ab) layer and a polymer (i V- ac) an intermediate layer between layers (i V one ad), 1 0 to 90 weight 0/0 acrylic acid alkyl ester le 1 to 8 carbon atoms (iv- adl), 90 ⁇ 1 0 mass 0/0 alkyl methacrylate with carbon number 1-4 of (iv- ad 2), 0 ⁇ 20 wt 0/0 (Iv— ad 1) and (iv— ad 2)
- (iV-b) Acrylic acid alkyl ester 50-99.9 mass 0 /.
- an elastic copolymer composed of 0 to 49.9% by mass of another copolymerizable vinyl monomer and 0.1 to 10% by mass of a copolymerizable crosslinkable monomer / 0
- a monomer composed of 40 to 100% by mass of an alkyl methacrylate and 0 to 60% by mass of a copolymerizable butyl monomer, or 10 to 400 parts by mass of a mixture thereof is obtained.
- Multi-layer polymer Multi-layer polymer.
- Resin composition for acrylic resin film described in JP-B-63-8983 A resin composition comprising 1 to 99 parts by mass of a thermoplastic resin (iii-a) and 1 to 99 parts by mass of a rubber-containing polymer (iv-a) object.
- Resin composition for acrylic resin film described in JP-A-11-180487 5 to 30 parts by mass of thermoplastic resin (iii-b) and 75-95 parts by mass of rubber-containing polymer (iv-b) Resin composition.
- the acrylic resin film ( ⁇ '-b) used in the present invention may contain, if necessary, a general compounding agent, for example, a stabilizer, a lubricant, a processing aid, a plasticizer, an anti-impactant, a foaming agent, It may contain a filler, an antibacterial agent, a fungicide, a release agent, an antistatic agent, a coloring agent, an anti-glazing agent, an ultraviolet absorber, a light stabilizer and the like.
- a general compounding agent for example, a stabilizer, a lubricant, a processing aid, a plasticizer, an anti-impactant, a foaming agent.
- It may contain a filler, an antibacterial agent, a fungicide, a release agent, an antistatic agent, a coloring agent, an anti-glazing agent, an ultraviolet absorber, a light stabilizer and the like.
- the acrylic resin film (A, 1b) of the present invention is formed; the extruder for T is supplied together with the raw material for the acrylic resin film ( ⁇ '-b).
- a method of kneading and mixing a mixture of a raw material for an acrylic resin film () ′-b) and a binder in advance with various kneaders examples include a usual single screw extruder, a twin screw extruder, a Banbury mixer, a roll kneader and the like.
- the gloss of the acrylic resin film material (A'-b) of the present invention can be reduced by a known method.
- inorganic fillers, or The method can be carried out by a method of kneading crosslinkable polymer particles, a method of copolymerizing an epoxy group-containing monomer, a method of using a linear polymer having a hydroxyl group, a method of embossing, or the like.
- the acrylic resin film (A, 1b) of the present invention may be obtained by coloring.
- the thickness of the acrylic resin film (A, 1b) in the acrylic resin laminated film of the present invention is preferably 10 to 500 / m, more preferably 30 zm or more. 0 0 im or less.
- the thickness is less than 500 / m, the final atrial resin laminated film has rigidity suitable for insert molding and ink molding, and the acrylic resin film (A) is formed into a film beforehand. It is preferable because a film can be produced stably.
- it is 10 / m or more, it is preferable because the protective property of the base material and the sense of depth can be imparted to the obtained laminated molded product.
- the thickness of the acrylic resin film (A, 1b) in the acrylic resin laminated film of the present invention is preferably 10 to 500 ⁇ , more preferably 30 ⁇ m or more. 200 ⁇ or less.
- the finally obtained ataryl resin laminated film has the rigidity suitable for the insert molding and the in-mold molding, and the acrylic resin film (A) is preliminarily formed into a film. This is preferable because a film can be stably manufactured in such a case.
- the thickness is 10 ⁇ m or more, it is preferable because the protective property of the base material and the sense of depth can be imparted to the obtained laminated molded product.
- the thickness of the acrylic resin film (A) in the acrylic resin laminated film of the present invention is preferably 1 to 30 ⁇ , more preferably 3111 or more and 20 / m or less.
- it is 30 / m or less, the surface hardness (scratch resistance) and heat resistance of the acrylic resin laminated film of the present invention are improved, and when the laminated film is subjected to insert molding or in-mold molding, the molding becomes white. This is preferable because a molded article can be obtained without generating any cracks.
- the acrylic resin film (A) has a uniform film thickness while maintaining the effects of improving the surface hardness (scratch resistance) and heat resistance of the acrylic resin laminated film of the present invention. ) Can be obtained.
- the acrylic resin laminated film itself becomes a coating film, so that it is very easy to use. Thick coating film can be formed, and its industrial value is high.
- the acrylic resin film ( ⁇ ′-b) as a base material and the acrylic resin film (A) of the present invention as the surface layer
- the surface layer surface resistance (scratch resistance)
- an acrylic resin film ( ⁇ ′-a) layer having a pencil hardness of 2 H or more may be laminated.
- a fluororesin film ( ⁇ ′′) may be laminated.
- an acrylic resin film ( ⁇ ) can be used as a base material, and a fluororesin film ( ⁇ ′′) can be used as a skin material.
- the type of the fluororesin constituting the fluororesin film ( ⁇ ′′) is not particularly limited, and a known fluororesin can be used. Specifically, vinylidene fluoride polymer, vinylidene fluoride and a fluorine compound such as vinyl fluoride or tetrafluoroethylene, or an acrylic monomer such as alkyl acrylate or alkyl methacrylate are used. A resin composition containing a copolymer or a vinylidene fluoride polymer as a main component is exemplified.
- the position where the fluororesin film ( ⁇ ′) is provided is not particularly limited. However, from the viewpoint of the weather resistance and the solvent resistance of the acrylic resin laminated film, the fluororesin film ( ⁇ ′) is used. ) Is preferably provided on the upper layer of the acrylic resin film ( ⁇ ) (that is, the fluororesin film ( ⁇ ′ ′) is the outermost layer).
- the fluororesin film ( ⁇ '') used in the present invention may contain, if necessary, a general compounding agent, for example, a stabilizer, a lubricant, a processing aid, a plasticizer, an impact modifier, a foaming agent, It may contain a filler, an antibacterial agent, a fungicide, a release agent, an antistatic agent, a coloring agent, an anti-glare agent, an ultraviolet absorber, a light stabilizer and the like.
- a general compounding agent for example, a stabilizer, a lubricant, a processing aid, a plasticizer, an impact modifier, a foaming agent.
- It may contain a filler, an antibacterial agent, a fungicide, a release agent, an antistatic agent, a coloring agent, an anti-glare agent, an ultraviolet absorber, a light stabilizer and the like.
- an ultraviolet absorber in order to impart weather resistance.
- the molecular weight of the ultraviolet absorber used is preferably at least 300, more preferably at least 400. If an ultraviolet absorber with a molecular weight of 300 or more is used, vacuum molding or pressure molding can be performed in the injection mold. It is possible to prevent mold contamination and the like due to volatilization of the ultraviolet absorber during application. In general, UV absorbers having a higher molecular weight are less likely to cause long-term bleed-out after processing into an acrylic resin layer film state, and UV absorption performance is maintained for a longer period than those having a lower molecular weight. .
- the molecular weight of the ultraviolet absorbent is 300 or more
- the fluororesin film (A, ') is formed into a film
- the film is extruded from the T die and cooled by a cooling roll.
- the amount of UV absorber volatilized is small. Therefore, satisfactory performance is exhibited because the amount of the remaining ultraviolet absorber is sufficient.
- the volatile ultraviolet absorber recrystallizes on the exhaust hood of the chain that suspends the T die at the top of the T die and grows over time. The problem of becoming a defect is also reduced.
- the type of the ultraviolet absorber is not particularly limited, but a benzotriazole-based compound having a molecular weight of at least 4.0 or a triazine-based compound having a molecular weight of at least 4.0 can be particularly preferably used.
- a benzotriazole-based compound having a molecular weight of at least 4.0 or a triazine-based compound having a molecular weight of at least 4.0 can be particularly preferably used.
- Specific examples of the former include: Chivasin Charity Chemicals Co., Ltd .: Chinubin 234, Asahi Denka Kogyo Co., Ltd .: Adekastab LA—31, Specific examples of the latter include Chivas Vesharity Chemicals product name: Tinuvin 157 7 and the like.
- a method of adding the compounding agent there are a method of supplying the extruder for forming the fluororesin film ( ⁇ '') of the present invention together with a raw material for the fluororesin film ( ⁇ ''); There is a method of kneading and mixing a mixture obtained by adding a compounding agent to a raw material for a fluororesin film ( ⁇ ′) with various kneading machines.
- the kneader used in the latter method include ordinary single-screw extruders, twin-screw extruders, Banbury mixers, and roll kneaders.
- the gloss of the fluororesin film material ( ⁇ ′′) of the present invention can be reduced by a known method. Specifically, a method of kneading an inorganic filler or crosslinkable polymer particles, a method of copolymerizing an epoxy group-containing monomer, a method of using a linear polymer having a hydroxyl group, a method of embossing, etc. Can be implemented at Further, the fluororesin film-like product ( ⁇ ′′) of the present invention may be used by coloring.
- the thickness of the acryl resin film material (A) in the acryl resin laminated film of the present invention is preferably 10 to 500 ⁇ m, more preferably 3 or more and 200 ⁇ .
- the acrylic resin laminated film finally obtained has a rigidity suitable for the insert molding and the in-mold molding, and the acrylic resin film (A) is formed into a film in advance. This is preferable because a film can be stably manufactured. When it is 10 / zm or more, it is preferable because the protective property of the base material and the sense of depth can be imparted to the obtained laminated molded product.
- the thickness of the fluororesin film ( ⁇ ′′) in the acrylic resin laminated film of the present invention is preferably 1 to 30 / m, more preferably 3 / im or more and 20 m or less.
- the thickness is 1 zm or more, a fluororesin film ( ⁇ ⁇ ⁇ ⁇ ′) is obtained with a uniform film thickness while maintaining the effects of improving the weather resistance and the solvent resistance of the acrylic resin laminated film of the present invention. Preferred because it can.
- the surface hardness of the fluororesin film ( ⁇ ′) is equal to or lower than that of the acrylic resin film ( ⁇ ).
- the scratch resistance of the acryl resin laminated film having a fluororesin film-like material ( ⁇ ′) on the surface is relatively good.
- the method for forming the acrylic resin laminated film of the present invention includes: (1) an acrylic resin film ( ⁇ ), and another acrylic resin film ( ⁇ ′) or a fluororesin film ( ⁇ ′,) (2) An acrylic resin film (2 ') or a fluororesin film ( ⁇ ') previously formed into an acryl resin film ( ⁇ ) (3) Acrylic resin-like material (A) is molded into another acrylic resin film-like material (A,) or fluororesin film-like material ( ⁇ '') ), Simultaneously laminating while melt extruding,
- the production method is melt casting.
- a known extrusion method such as a melt extrusion method such as a die method and an inflation method, and a calendar method.
- the die method is preferred from the viewpoint of economy.
- Laminate acrylic resin film ( ⁇ ) and other acryl resin film ( ⁇ ') or fluororesin film ( ⁇ ' ') by dry lamination, wet lamination, hot melt lamination, etc. And the like. If heat fusion is possible, lamination can also be performed by a heated press laminating method.
- acrylic resin film ( ⁇ ) and other acrylic resin film ( ⁇ ') or fluororesin film ( ⁇ ',) in advance use metal rolls, non-metal rolls and metal belts. It is preferable to form a film by sandwiching it between a plurality of selected rolls or belts.
- acrylic resin film material ( ⁇ ') or fluorine resin When forming the oily film ( ⁇ ′ ′), it is preferable to form the film by sandwiching it between a plurality of rolls or belts selected from metal rolls, non-metallic rolls and metal belts. As described in (3) above, the acrylic resin film ( ⁇ ) is molded in advance, and another acrylic resin film ( ⁇ ') or a fluororesin film ( ⁇ ''') is melt-extruded. At the same time, the acrylic resin film ( ⁇ ) or the fluororesin film ( ⁇ ') can be laminated on a preformed acrylic resin film ( ⁇ ) with a die or the like. Extrusion lamination in which lamination is performed while melt extrusion is performed.
- the acrylic resin film ( ⁇ ) is formed in advance, it is preferable to form a film by sandwiching it between a plurality of rolls or belts selected from a metal roll, a non-metal roll, and a metal belt.
- the acrylic resin film ( ⁇ ) and another acrylic resin film ( ⁇ ') or fluororesin film ( ⁇ ' '') are simultaneously laminated while being melt-extruded.
- Laminating methods by co-extrusion such as a method of bonding in front of the die such as the feed block method, a method of bonding inside the die such as the multi-manifold method, and a method of bonding outside the die such as the multi-slot method Is raised.
- the above-mentioned (4) acrylic resin film ( ⁇ ) and other acrylic resin film ( ⁇ ′) or a fluororesin film ( ⁇ ′′ ′) is preferably simultaneously laminated while being melt-extruded.
- the metal roll a metal mirror-surfaced touch roll; a metal sleeve (metal thin-film pipe) described in Japanese Patent No. 2808251 or WO97 / 28950 and a mold
- a mouth used in a sleeve touch system including a mouth can be given.
- the non-metallic roll touch such as silicone rubber A roll and the like can be exemplified.
- the metal belt include a metal endless belt and the like. It should be noted that a plurality of these metal rolls, non-metal rolls and metal belts can be used in combination.
- the acrylic resin composition after the melt extrusion is substantially applied to a bank (resin pool). It is preferable that the film is formed by holding the sheet without any of them and transferring the surface without substantially rolling. If a film is formed without forming a bank (resin pool), the acrylic resin composition in the cooling process is transferred onto the surface without rolling, so that the acrylic resin laminated film formed by this method is heated. Shrinkage can also be reduced.
- the photocurable acryl resin film or sheet of the present invention comprises the acryl resin film (A) of the present invention or the acrylic resin laminated film of the present invention, and a thermoplastic resin having a radically polymerizable unsaturated group in a side chain. (Z-1) and a photocurable resin composition (Z) layer containing a photopolymerization initiator (z-2).
- the photocurable resin composition (Z) contains a thermoplastic resin (z-1) having a radically polymerizable unsaturated group in a side chain and a photopolymerization initiator (z-2), and comprises a thermoplastic resin (Z). It is preferable that the composition does not substantially contain a crosslinkable compound other than -1).
- a layer of the photocurable resin composition (Z) is laminated on the acrylic resin film (A) or the acrylic resin laminated film to obtain a photocurable acrylic resin film or sheet.
- the photocurable resin composition (Z) according to the present invention has a radically polymerizable unsaturated group-containing structure in the polymer side chain, whereby a cross-linking reaction proceeds between the polymer side chains.
- thermoplastic resin (z-1) having a radically polymerizable unsaturated group in the side chain include, for example, those having a glass transition temperature of 25 to 175 ° C (: preferably 30 to 150 ° C). And polymers having a radically polymerizable unsaturated group in one of them.
- (meth) acrylate represents atalylate or methacrylate
- (meth) acrylic acid represents acrylic acid or methacrylic acid
- (meth) acrylamide represents acrylamide or Represents methacrylamide
- (meth) acryloy / reoxy represents acryloyloxy or methacryloyloxy.
- Carboxyl group-containing monomer (meth) acrylic acid, atariloyloxyshethyl monosuccinate, etc.
- Monomers having an isocyanate group radical polymerizable having an active hydrogen and a diisocyanate, such as an equimolar adduct of 2,4-toluene diisocyanate and 2-hydroxyethyl acrylate Adducts of monomers, 2-isocyanate ethyl (meth) acrylate, etc.
- a copolymerizable monomer with the above compound is used. It can also be polymerized.
- Such copolymerizable monomers include (meth) acrylates such as methyl (meth) atalylate, tricyclodecanyl (meth) atalylate, isobornyl (meth) atalylate, N-phenyl / remaleimide, and cyclohexane.
- Examples include imido derivatives such as xinole maleimide and N-butynoleimide, olefinic monomers such as butadiene, and aromatic vinyl compounds such as styrene and hemethylstyrene.
- a radically polymerizable unsaturated group can be introduced into the above-mentioned polymer or copolymer by the following methods (a) to (2).
- a monomer (3) having an epoxy group, a monomer (4) having an aziridinyl group, or an isocyanate group may be used.
- the monomer (7) or an equimolar adduct of a diisocyanate compound with a hydroxyl group-containing acrylate monomer is added and reacted.
- the above reaction is preferably carried out while adding a trace amount of a polymerization inhibitor such as hydroquinone and sending dry air.
- the amount of the radically polymerizable unsaturated group in the side chain of the thermoplastic resin (z-1) having a radically polymerizable unsaturated group in the side chain is determined by the double bond equivalent (one side chain radically polymerizable unsaturated group).
- the double bond equivalent one side chain radically polymerizable unsaturated group.
- Force is an average of 30000 g / mo1 or less calculated from the charged value. Force It is preferable from the viewpoint of improving scratch resistance and abrasion resistance.
- a more preferable range of the double bond equivalent is an average of 1200 g Zmo1 or less, and a more preferable range is an average of 800 g / mo1 or less.
- thermoplastic resin by introducing a plurality of radically polymerizable unsaturated groups involved in crosslinking into the thermoplastic resin, it is not necessary to use a low-molecular-weight crosslinking compound, and it can be used for long-term storage and heat molding described below. However, it is possible to efficiently improve the cured physical properties without having surface tackiness.
- the number average molecular weight of the thermoplastic resin (z-1) having a radically polymerizable unsaturated group in the side chain is preferably in the range of 5,000 to 2,500,000, The range of 0 to 1, 000, 0000 is more preferable.
- Insert or in-mold molding of a photocurable acryl resin film or sheet formed using a photocurable resin composition (Z) containing a thermoplastic resin (Z-1) having a radical polymerizable unsaturated group in the side chain In this case, the number average molecular weight is preferably 5,000 or more from the viewpoint of improving the mold release property and improving the surface hardness of the insert or in-mold molded product after light curing. preferable.
- the number average molecular weight is preferably 2,500,000 or less from the viewpoints of easiness of synthesis and appearance, and from the viewpoint of developing adhesion to the acrylic resin film (A).
- the glass transition temperature of the thermoplastic resin (z-1) having a radically polymerizable unsaturated group in the side chain is preferably adjusted to 25 to 175 ° C, and 30 to 150 ° C. More preferably, the temperature is adjusted to ° C. From the viewpoint that the mold release property of the photocurable acryl resin film or sheet during insert or in-mold molding is improved, and the surface hardness of the insert or in-mold molded product after photocuring is improved, the glass transition temperature Is preferably 25 ° C. or higher. On the other hand, the glass transition temperature is preferably at most 175 ° C from the viewpoint of the handling properties of the photocurable acrylic resin film or sheet.
- thermoplastic resin (z-1) having a radical polymerizable unsaturated group in a side chain obtained.
- a Bier polymerizable monomer which has a high glass transition temperature as a homopolymer.
- (meth) acrylate as a main component as a butyl polymerizable monomer. It is preferable to use an acrylic resin.
- the functional groups (hydroxyl groups, hydroxyl groups) on the surface of the inorganic fine particles (a-3) are added.
- a group capable of reacting with a carboxyl group, a silanol group, etc. for example, at least one functional group selected from the group consisting of a hydroxyl group, a carboxyl group, a group, a silyl group, and an alkoxysilyl group.
- the vinyl polymerizable monomer has a function of further improving physical properties such as rigidity, toughness, and heat resistance of the obtained photocurable resin composition
- the vinyl polymerizable monomer capable of radically polymerizing such a functional group is used. It may be contained as a part of a body component.
- Vinyl polymerizable monomers containing such a reactive group in the molecule include 2-hydroxylethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, and (meth) acrylic acid. And vinyltrichlorosilane, vinylinoletrimethoxysilane, y- (meth) atalyloyloxypropyltrimethoxysilane, and the like.
- Examples of the photopolymerization initiator (z-2) used in the present invention include a photoradical polymerization initiator that generates a radical by light irradiation.
- Known compounds can be used as the photo-radical polymerization initiator, and are not particularly limited. However, in consideration of yellowing during curing and deterioration during weathering, acetophenone-based, benzophenone-based, and acylphosphine-oxide-based initiators can be used. An initiator containing no amino group in the molecule is preferred. For example, 1- (4-dodecylphenyl) 1-2-hydroxy-12-methylpropane-1-one, 1-hydroxycyclohexylpheninole ketone, 2-hydroxy-2-methyl-1-phenyl-2-propane-1-one , 1 _
- (2,6-Dimethoxybenzinole)-2,4,4-Trimethinolepentylphosphinoxide is preferred. Some of these are temporarily converted depending on the molding method. Since the temperature may be higher than the boiling point of the compound, it may be appropriately selected according to the molding method. In order to increase the surface hardness of the molded product, an additive such as n-methyljetanolamine which inhibits polymerization hardening inhibition by oxygen may be added. In addition to these photopolymerization initiators, various peroxides may be added in consideration of curing using heat during molding. When a peroxide is contained in the photocurable acrylic resin film or sheet, it must be cured at 150 ° C for about 30 seconds. , T-Butylperoxy-1-ethylhexanoate, 1,1-bis (t-butylperoxy) -13,3,5-trimethylcyclohexane and the like are preferably used.
- the added amount of the photo-radical polymerization initiator is preferably 5% by mass or less based on the compound having a radically polymerizable unsaturated group in the side chain.
- the amount of the amino radical photopolymerization initiator related to yellowing of the above is preferably 1% by mass or less.
- inorganic fine particles (a-3) can be added for the purpose of further improving scratch resistance and abrasion resistance.
- the inorganic fine particles (a-3) used in the present invention as long as the obtained photocurable resin composition is transparent, its type, particle diameter, and form are not particularly limited.
- the inorganic fine particles include colloidal silica, alumina, titanium oxide, and the like. These may be used alone or in combination of two or more. In particular, colloidal silicide is preferred from the viewpoints of easy availability, price, and transparency of the obtained photocurable resin composition layer and abrasion resistance.
- colloidal silica can be used in the form of a normal aqueous dispersion or dispersed in an organic solvent.
- colloidal silica can be used together with a thermoplastic resin having a radical polymerizable unsaturated group in the side chain, which is the (z_1) component.
- a thermoplastic resin having a radical polymerizable unsaturated group in the side chain which is the (z_1) component.
- organic solvents examples include methanol, isopropyl alcohol, n-butanol, ethylene glycol, xylene butanol, ethyl ethyl solvent, ethyl solvent, butyl ethyl solvent, dimethylformamide, dimethylacetamide, methylethyl ketone, Methyl isobutyl ketone, toluene and the like can be exemplified.
- an organic solvent capable of dissolving the thermoplastic resin (Z-1) having a radically polymerizable unsaturated group in a side chain in order to disperse uniformly with the thermoplastic resin.
- an organic solvent having a boiling point not higher than 80 ° C., preferably not higher than 30 ° C. than the glass transition temperature of the resin component is preferable because it hardly remains in the photocurable acrylic resin film or sheet.
- colloidal silica dispersed in an organic solvent commercially available products dispersed in a dispersion medium, such as methanol silica sol MA-ST, isopropyl alcohol silica sol IPA-ST, ⁇ -butanol silica sol NBA-S S, and ethylene glycol silica Power sol EG-ST, Xylenenobutanol sily sol X BA-ST, Echilose mouth sonolev silica Zonore E TC—S ⁇ , Butylse mouth sorbo silica sol ⁇ ⁇ TC—ST, Dimethylformamide silica sol DBF—ST, Dimethylacetoa Midsilica Zonore DMAC-ST, Methynorethynoleketone Silica Sol MEK-S ⁇ , Methyl Isobutyl Ketone Silica Sol MI MI-ST (all trade names, manufactured by Nissan Chemical Industries, Ltd.) and the like can be used.
- methanol silica sol MA-ST is
- the particle diameter of the inorganic fine particles (a-3) is usually 200 nm or less from the viewpoint of the transparency of the obtained photocurable resin composition layer. It is more preferably 100 nm or less, and further preferably 50 nm or less.
- the amount of the inorganic fine particles (a-3) to be added is 5 to 400 parts by mass of the solids of the inorganic fine particles with respect to 100 parts by mass of the solid content of the thermoplastic resin (z-1) having a radical polymerizable unsaturated group in the side chain. Parts is preferred, and a range of 10 to 200 parts by weight is particularly preferred.
- the addition amount of the inorganic fine particles is less than 5 parts by mass, the effect of improving the abrasion resistance may not be observed, and when the addition amount exceeds 400 parts by mass, the photocurable resin composition ( As the storage stability of Z) decreases, the moldability of the photocurable acrylic resin film or sheet obtained may decrease.
- inorganic fine particles (a-3) used in the present invention those whose surface has been previously treated with a silane compound represented by the following structural formula (a31-11) may be used.
- the use of surface-treated inorganic fine particles is important for the storage stability of the photocurable resin composition (Z). This is preferable because the qualitative properties are further improved, and the resulting photocurable acrylic resin film or sheet also has improved surface hardness and weather resistance.
- R 3 represents a hydrogen atom or a hydrocarbon residue having 1 to 10 carbon atoms which may have an ether bond, an ester bond, an epoxy bond or a carbon-carbon double bond
- a and b are Is an integer from 0 to 3
- c is an integer from 1 to 4 that satisfies 4-ab
- silane compounds represented by the structural formula (a3-1) silane compounds represented by the following structural formulas (a3-2) to (a3-7) can be mentioned as preferred. .
- CH 2 C (R 7 ) COO (CH 2 ) p S i R 8 n (OR 6 ) 3 1) (a 3-4)
- CH 2 CHS i R 8 n (OR 6 ) 3 1 n (a 3 -5) HS (CH 2 ) p S i R 8 n (OR 6 ) 3 _ n (a 3-6)
- R 4 and R 5 each represent a hydrocarbon residue having 1 to 10 carbon atoms which may have an ether bond, an ester bond or an epoxy bond
- R 6 is a hydrogen atom or R 7 represents a hydrogen atom or a methyl group
- R 8 represents an alkyl group or a phenyl group having 1 to 3 carbon atoms
- a and b represent a hydrocarbon residue having 1 to 10 carbon atoms.
- Each is an integer from 0 to 3
- c is an integer from 1 to 4 that satisfies 4_a_b
- n is an integer from 0 to 2
- p is an integer from 1 to 6.
- Examples of the silane compound represented by the structural formula (a 3-2) include tetramethoxysilane, tetraethoxysilane, tetrapropoxysilane, and tetrabutoxy.
- Examples of the silane compound represented by the structural formula (a3-3) include tetrakis (atalyloyloxyethoxy) silane, tetrakis (methacryloyloxyethoxy) silane, methyltris (atalyloyloxyethoxy) silane, Methynorethris (methacryloyloxyethoxy) silane and the like.
- Examples of the silane compound represented by the structural formula (a3-4) include, for example, ⁇ -acrylonioleoxyshethyl dimethoxymethyl silane, ⁇ -atalyloyloxypropyl methoxy dimethyl silane, y-a And acryloyloxypropyl trimethoxysilane, / 3-methacryloyloxyshetyl dimethoxymethylsilane, and ⁇ -methacryloyloxypropyltrimethoxysilane.
- Examples of the silane compound represented by the structural formula (a3_5) include vinylmethyldimethoxysilane, vinyltrimethoxysilane, and butyltriethoxysilane.
- Examples of the silane compound represented by the structural formula (a3_6) include ⁇ -mercaptopropyldimethoxymethylsilane, ⁇ -mercaptopropylvirmethoxysilane, and the like.
- Examples of the silane compound represented by the structural formula (a3-7) include p-vinylphenylmethyldimethoxysilane, p-butylphenyltrimethoxysilane, and the like.
- Such a silane compound is used in an amount of 0 to 1 mol part of the solid content of the inorganic fine particles (a-3). It is preferably used in a proportion of up to 3 mole parts. If the amount of the silane compound exceeds 3 parts by mole, the resulting photocurable acrylic resin film or sheet may have reduced abrasion resistance.
- the inorganic fine particles surface-treated with the silane compound can be obtained by using a commercially available product or by subjecting the inorganic fine particles to a surface treatment by a known method.
- a known surface treatment method for example, the treatment can be performed by heating and stirring the silane compound and the inorganic fine particles in the presence of a small amount of water.
- thermoplastic resin (z_l) having a radically polymerizable unsaturated group in a side chain a method of adding a radically polymerizable unsaturated group in a side chain in advance is used.
- inorganic fine particles may be mixed, or a vinyl polymerizable monomer constituting the thermoplastic resin ( Z -1) having a radical polymerizable unsaturated group in a side chain. Any method can be selected, such as a method of polymerizing under the condition that the inorganic fine particles are mixed with the inorganic particles.
- thermoplastic resin (z-1) having a radical polymerizable unsaturated group in a side chain of an essential component
- a photopolymerization initiator (z-2) Furthermore, in addition to the above-mentioned inorganic fine particles (a-13) which can be used as needed, sensitizers, denaturing resins, dyes, pigments and leveling agents, cissing inhibitors, ultraviolet absorbers, as necessary. And additives such as light stabilizers, oxidation stabilizers and the like.
- the sensitizer promotes the photocuring reaction, and examples thereof include benzophenone, benzoin isopropyl ether, and thioxanthone.
- the photocurable resin composition (Z) should not substantially contain a crosslinkable compound other than the thermoplastic resin (z-1) having a radically polymerizable unsaturated group in the side chain.
- substantially no crosslinkable monomer or oligomer at 40 ° C., or a low molecular weight crosslinkable monomer or oligomer having a molecular weight of 2000 or less should be substantially not contained. In particular, 40.
- Liquid crosslinkable monomers and oligomers in C, molecular weight 2 When a low molecular weight crosslinkable monomer or oligomer having a molecular weight of 000 or less is contained, it will have surface tackiness during long-term storage or heat molding, causing problems in the printing process, insert molding or in-mold molding. In some cases, problems such as contamination of the mold may occur. More preferably, it should contain substantially no liquid crosslinkable monomer or oligomer at 50 ° C, and even more preferably should contain substantially liquid crosslinkable monomer or oligomer at 60 ° C. is not.
- the photo-curable resin composition (Z) as described above is used, the photo-curable resin composition is laminated on the acrylic resin film (A) or the acrylic resin laminated film to form a photo-curable resin. Even when a water-soluble acrylic resin film or sheet is formed, the surface of the photocurable acrylic resin film or sheet has no tackiness, and the phenomenon that the tackiness of the surface changes with time does not occur. Storage stability becomes better.
- the photocurable acrylic resin film or sheet of the present invention having the above-described configuration, has excellent moldability and storage stability before photocuring, and excellent surface properties after photocuring.
- the photocurable acrylic resin film or sheet of the present invention is prepared by mixing and dissolving a photocurable resin composition (Z) in a solvent such as an organic solvent by various coating methods. It is manufactured by coating on an acrylic resin film (A) or an acryl resin laminated film and then drying by heating to remove the solvent.
- the method for producing the photocurable acrylic resin film or sheet of the present invention having the acrylic resin film (A) or the acrylic resin laminated film and the photocurable resin composition (Z) layer includes, for example, a side chain of an essential component.
- Z) is sufficiently stirred and dissolved in a solvent such as an organic solvent, and a known printing method such as a gravure printing method, a screen printing method, an offset printing method, a flow coating method, a spray coating method, a bar coating method, a gravure coating method is used.
- the acrylic resin film (A) is coated on the acrylic resin film (A) by a known coating method such as an arrow / recoat method, a kistronore coating method, a curtain coating method, a dive coating method, etc., and then heated and dried to remove the solvent, and the laminated film is formed. Or a sheet method is available.
- An organic solvent having a boiling point not higher than 80 ° C., preferably not higher than 30 ° C. than the glass transition temperature is preferable since it hardly remains in the photocurable acryl resin film or sheet.
- the components of the photocurable resin composition (Z) can be dissolved or uniformly dispersed, and the acrylic resin film (A) or acrylic resin can be used. It does not have a practically significant adverse effect on the physical properties (mechanical strength, transparency, etc.) of the resin laminated film, and furthermore, the resin component which is the main component of the acrylic resin film (A) or the acrylic resin laminated film Volatile solvents having a boiling point not higher than 80 ° C., preferably not higher than 30 ° C. than the glass transition temperature of are preferred.
- Such solvents include alcohol solvents such as methanol, ethanol, isopropyl alcohol, n-butanol, and ethylene glycol; aromatic solvents such as xylene, toluene, and benzene; and aliphatic hydrocarbon solvents such as hexane and pentane.
- alcohol solvents such as methanol, ethanol, isopropyl alcohol, n-butanol, and ethylene glycol
- aromatic solvents such as xylene, toluene, and benzene
- aliphatic hydrocarbon solvents such as hexane and pentane.
- Solvents Halogenated hydrocarbon solvents such as black form, carbon tetrachloride, etc .; Phenol solvents, such as phenol and cresol; Ketone solvents, such as methyl ethyl ketone, methyl isobutyl ketone, and acetone; Getyl ether, methoxy toluene 1,2-dimethoxetane, 1,2-dibutoxetane, 1,1-dimethoxymethane, 1,1 dimethoxetane, 1,4-dioxane, THF, etc.
- Tertiary solvents fatty acid solvents such as formic acid, acetic acid, and propionic acid; acid anhydride solvents such as acetic anhydride; ester solvents such as ethyl acetate, butyl acetate, and butyl formate; ethylamine, toluidine, dimethylformamide, Nitrogen-containing solvents such as dimethylacetamide; sulfur-containing solvents such as thiophene and dimethylsulfoxide; diacetone alcohol, 2-methoxyethanol (meth / ⁇ cellosolve), 2-ethoxyethanol (solventolsolve) ), A solvent having two or more kinds of functional groups such as 2-butoxyethanol (butylcellulose solvent), ethylene glycol, 2-aminoethanol, acetocyanohydrin, diethanolamine and morpholine; or various known solvents such as water. Can be used.
- acid anhydride solvents such as acetic anhydride
- ester solvents such as ethyl
- the photocurable acryl resin film or sheet is manufactured in a shorter time in order to eliminate the problems caused by the residual solvent in the photocurable acryl resin film or sheet and to improve the production efficiency at low cost. For this purpose, it is necessary to enhance the heating and drying conditions for removing the solvent and perform drying sufficiently.
- the photo-curable acrylic resin film or sheet is calo-dried continuously for 20 seconds or more at a temperature higher than the thermal deformation temperature of the acrylic resin film (A) or the acryl resin laminated film.
- the photocurable acrylic resin film or sheet is stretched even with a slight tension, and the thickness of the photocurable resin composition (Z) layer, the acrylic resin film (A), or the acrylic resin laminated film is reduced.
- the strength of the photocurable resin composition (Z) after photocuring may cause a decrease in scratch resistance and surface hardness.
- the heat-drying conditions for the photocurable acryl resin film or sheet are as follows: heat drying at a temperature not exceeding the thermal deformation temperature of the ataryl resin film (A) or the acrylic resin laminated film, or the acrylic resin film. When drying at a temperature higher than the thermal deformation temperature of the (A) or acrylic resin laminated film, the thermal deformation temperature of the acrylic resin film (A) or the acrylic resin laminated film + 15 ° C or less The temperature is preferably + 10 ° C. or less, and the heating and drying time at that temperature is 20 seconds or less, preferably 10 seconds or less, and more preferably 5 seconds or less.
- a flammable organic solvent is used as the solvent
- An attachment method or the like can be used.
- the shape of the dryer can be selected and used according to the purpose, such as an arch type or a flat type.
- the acrylic resin film (A), the acrylic resin laminated film, and the photocurable acrylic resin film or sheet of the present invention are provided with a decorative layer (B) for imparting a design to various substrates.
- a decorative layer (B) for imparting a design to various substrates.
- those printed by an appropriate printing method as needed can be used.
- one side selected from the group consisting of the acrylic resin film material (A), the acrylic resin laminated film, and the photocurable acrylic resin film or sheet is subjected to one-sided printing treatment, and the decorative layer ( It is preferable to use it as a film having B).
- the decorative layer (B) can be formed by a known method, but is preferably formed as a printing layer by a printing method and a vapor deposition layer by a vapor deposition method.
- the printed layer as the decorative layer (B) becomes a pattern or a character on the surface of the insert or in-mold molded product.
- the printed pattern is arbitrary, and examples thereof include a pattern composed of wood grain, stone grain, cloth grain, sand grain, geometric pattern, text, solid solid, and the like.
- Binder materials for the printing layer include polybutyl-based resins such as chlorinated butyl Z-butyl acetate copolymer, polyamide-based resins, polyester-based resins, polyacryl-based resins, polyurethane-based resins, polyvinyl acetal-based resins, and polyester ⁇ Resins such as urethane resins, cellulose ester resins, alkyd resins, and chlorinated polyolefin resins.
- a multilayer structure polymer (I), a resin composition (III), or a resin composition (IV) can be used as a binder material.
- a colored ink containing a pigment or a dye of an appropriate color as a colorant may be used.
- a yellow pigment is an azo pigment such as polyazo
- an organic pigment such as isoindolinone
- an inorganic pigment such as graphite
- a red pigment is an azo pigment such as polyazo
- an organic pigment such as quinatalidone
- Inorganic pigments such as petals, phthalocyanine as a blue pigment
- Organic pigments such as nin blue, inorganic pigments such as cobalt blue, organic pigments such as aniline black can be used as black pigments, and inorganic pigments such as titanium dioxide can be used as white pigments.
- a known printing method such as an offset printing method, a gravure rotary printing method, a screen printing method, or a known coating method such as a roll coating method or a spray coating method, or a flexographic printing method is used. Is good.
- the thickness of the printing layer may be appropriately determined as needed, but is usually about 0.5 to 30 / m.
- the photocurable acrylic resin film or sheet of the present invention uses a photocurable resin composition having a structure in which polymers are crosslinked, rather than using a low molecular weight crosslinkable compound. There are no problems during printing, and the yield is good.
- a vapor deposition layer is provided as a decorative layer (B) on one selected from the group consisting of an acrylic resin film (A), an acrylic resin laminated film, and a photocurable acryl resin film or sheet.
- a printing layer and a vapor deposition layer may be provided.
- the deposited layer is formed of at least one metal selected from the group of aluminum, nickel, gold, platinum, chromium, iron, copper, indium, tin, silver, titanium, lead, zinc, and the like, or an alloy or compound thereof.
- Examples of a method for forming the vapor deposition layer include a vacuum vapor deposition method, a sputtering method, an ion plating method, and a plating method.
- the thickness of the printing layer or the vapor deposition layer for decoration may be appropriately selected according to the degree of elongation at the time of insert or in-mold molding so as to obtain a desired surface appearance of the insert or in-mold molded article.
- the surface gloss of the film is preferably 60 °. It is preferable to perform a printing process on the surface having the higher value.
- the number of missing prints on the surface printed on one selected from the group consisting of the acrylic resin film material (A), the acrylic resin laminated film, and the photo-curable acrylic resin film or sheet is as follows: From the viewpoint of sex, 10 pieces / m 2 or less preferable. By setting the number of print omissions to 10 or less Zm 2 , the appearance of a laminated molded product of this film is further improved.
- the number of missing prints on the printed surface is more preferably 5 / m 2 or less, and particularly preferably 1 Zm 2 or less.
- a colored one of the acrylic resin film (A), the acrylic resin laminated film, and the photocurable acryl resin film or sheet of the present invention can be used.
- the adhesive layer (D) may be provided, if necessary, to one of the group consisting of the acrylic resin film (A), the acrylic resin laminated film, and the photocurable acryl resin film or sheet of the present invention. Can be provided.
- the adhesive layer (D) enhances the adhesion between the decorative layer (B) and the thermoplastic resin layer (C) described later, or the adhesiveness between the decorative layer (B) and the substrate (E) described later.
- Any synthetic resinous material can be selected and used as long as it has the property.
- the thermoplastic resin layer (C) is a polyacrylic resin
- a polyacrylic resin may be used.
- the thermoplastic resin layer (C) is made of an ABS resin (acrylonitrile-butadiene-styrene resin), an AS resin (acrylonitrile-styrene resin), a vinyl chloride resin, a polyphenylene oxide, a polystyrene resin, a polycarbonate resin, a styrene resin.
- thermoplastic resin layer (C) is a polyolefin resin such as a polypropylene resin, a chlorinated polyolefin resin, a chlorinated ethylene-vinyl acetate copolymer resin, a cyclized rubber, a coumarone indene resin
- a thermosetting urethane resin using block isocyanate can be used.
- Aqueous silica, epoxy resin, petroleum resin and the like can be further contained.
- a cover film may be further provided on one of the group consisting of the acrylic resin film (A), the acrylic resin laminated film, and the photocurable acrylic resin film or sheet of the present invention.
- This cover film is effective for dust prevention on one surface selected from the group consisting of an acrylic resin film (A), an acrylic resin laminated film, and a photocurable acrylic resin film or sheet. It is also effective in preventing the surface of the previous photocurable resin composition (Z) layer from being damaged.
- the above cover film When the above cover film is used for a photocurable acryl resin film or sheet, it adheres to the photocurable resin and the composition (Z) layer before insert molding, and immediately peels off when insert-molded. It is necessary that the curable resin composition (Z) layer has an appropriate adhesion and a good release property. If the film satisfies such conditions, any film can be selected and used. Examples of such a film include a polyethylene film, a polypropylene film, and a polyester film.
- one selected from the group consisting of an acrylic resin film (A), an acrylic resin laminated film, and a photocurable acrylic resin film or sheet of the present invention is laminated on a substrate (E). It can be a laminated molded product. Alternatively, a laminate having one selected from the group consisting of an acrylic resin film (A), an acrylic resin laminated film, and a photocurable acrylic resin film or sheet of the present invention, and a thermoplastic resin layer (C)
- the film or sheet may be a laminated molded product in which the film or sheet is laminated on the substrate (E).
- the preformed product is inserted into another mold, and then the resin as a base material is injection molded to obtain an acrylic laminated molded product. It is preferable to use a laminated film or sheet.
- the laminated film or sheet of the present invention is a thermoplastic resin layer comprising one selected from the group consisting of an acrylic resin film (A), an acrylic resin laminated film, and a photocurable acrylic resin film or sheet of the present invention. (C). Building materials For the laminated film or sheet, preferably. Develop sufficient strength for handling against external force such as impact and deformation. For example, cracks and the like are unlikely to occur even when the film is vacuum-molded by insert molding or the like and then removed from the mold, or when the vacuum-molded product is mounted on an injection mold, when subjected to shock or deformation. The handling is improved. Alternatively, the thermoplastic resin layer (C) can be used for the purpose of enhancing the adhesion to the substrate (E).
- thermoplastic resin layer (C) for example, the surface defects of the injection-molded product are reduced to a group consisting of the acrylic resin film (A), the acrylic resin laminated film, and the photocurable acryl resin film or sheet.
- the advantage is provided that it is minimized to be propagated to a selected one, or that the decorative layer (B) is less likely to disappear when the base material (E) is injection-molded.
- thermoplastic resin layer (C) is preferably made of a material compatible with the base material (E) for the purpose of enhancing the adhesion to the base material (E).
- the thermoplastic resin layer (C) is preferably made of the same polymer material as the substrate (E), and a known thermoplastic resin film or sheet can be used.
- acrylic resin acrylic resin
- ABS resin acrylonitrile-butadiene-styrene resin
- AS resin amino acid-styrene resin
- vinyl chloride resin polyolefin resin such as polyethylene, polypropylene, polybutene, polymethylpentene, and ethylene monoacetate Copolymers or their copolymers
- polyolefin copolymers such as ethylene- (meth) acrylate copolymers
- polyester resins such as polyethylene terephthalate, polybutylene terephthalate, polyethylene naphthalate, polyarylate, and polycarbonate
- 6 Nylon, 6, 6—Nylon, 6,10—Nylon, 12—Nylon and other polyamide resins
- polystyrene resin cellulose acetate, nitrocellulose and other cellulose derivatives
- polyvinyl fluoride Fluoropolymers such as poly (vinylidene fluoride), polytetrafluoroethylene, ethylene-tetrafluor
- thermoplastic resin layer (C) acrylic resin, ABS resin, vinyl chloride resin, polyolefin, and polycarbonate are particularly preferred from the viewpoint of forming the decorative layer (B) and forming the laminated film or sheet. Nates are preferred. When used for building materials, it is preferable to use a resin that does not contain a halogen element such as chlorine or fluorine, that is, a non-halogen resin.
- a halogen element such as chlorine or fluorine
- thermoplastic resin selected from a polyolefin-based resin, an acrylic resin, and a polyester-based resin in view of various aspects such as heat resistance and weather resistance.
- thermoplastic resin layer (C) if necessary, general compounding agents such as stabilizers, antioxidants, lubricants, processing aids, plasticizers, impact modifiers, foaming agents, fillers, and antibacterial agents , A fungicide, a mold release agent, an antistatic agent, a coloring agent, an ultraviolet absorber, a light stabilizer, a heat stabilizer, a flame retardant, and the like.
- general compounding agents such as stabilizers, antioxidants, lubricants, processing aids, plasticizers, impact modifiers, foaming agents, fillers, and antibacterial agents , A fungicide, a mold release agent, an antistatic agent, a coloring agent, an ultraviolet absorber, a light stabilizer, a heat stabilizer, a flame retardant, and the like.
- Antioxidants include, for example, phenol-based, sulfur-based, phosphorus-based, and ultraviolet absorbers include, for example, benzophenone-based, benzotriazole-based, salicylate-based, cyanoacrylate-based, formamidine-based, oxanilide-based, and the like.
- Antistatic agents include, for example, cationic, anionic, nonionic, zwitterionic, etc.
- flame retardants include, for example, bromine, phosphorus, chlorine, nitrogen, aluminum,
- As an antimony-based, magnesium-based, boron-based, or zirconium-based filler for example, one or a mixture of two or more selected from calcium carbonate, barium sulfate, talc, talc, kaolin, etc. is used. .
- the method of adding the compounding agent there are a method of supplying the compounding agent to the extruder for forming the thermoplastic resin layer (C) together with the thermoplastic resin, and a method of adding a mixture of the thermoplastic resin and the compounding agent in advance to various kneaders. Kneading and mixing. Examples of the kneader used in the latter method include ordinary single-screw extruders, twin-screw extruders, Banbury mixers, and roll kneaders. In general, the laminated film or sheet as in the present invention often requires concealment of colors and defects on the surface of the adhered substrate.
- the hiding pigment is added to the thermoplastic resin constituting the thermoplastic resin layer (C), whereby the thermoplastic resin layer (C) is formed. Can be made concealable. Further, instead of making the thermoplastic resin layer (C) opaque, a concealed solid print layer made of a print ink composition containing a concealable pigment may be provided on the front or back surface of the thermoplastic resin layer (C). Good, or both can be used together.
- an inorganic pigment having a high refractive index and excellent concealability.
- Organic pigments such as cobalt blue, cerulean blue, ultramarine, navy blue, emerald green, chrome vermillion, chromium oxide, viridian, iron black, carbon black, etc.
- titanium oxide titanium white, titanium white
- zinc oxide White pigments such as zinc white
- basic lead carbonate zinc sulfide, lithium, and titanox
- thermoplastic resin layer (C) of the present invention may be composed of a laminate of a plurality of layers made of the same or different thermoplastic resins.
- the production method is preferably a melt extrusion method using a polishing roll or a calendar method.
- the thermoplastic resin layer (C) is obtained by using a method in which a film is formed by sandwiching a plurality of metal or non-metal or metal belts or a metal belt. This is preferable because the surface smoothness of the film or sheet can be improved. By doing so, fish eyes that cause appearance defects such as missing prints can be further reduced.
- the thickness of the thermoplastic resin layer (C) may be appropriately determined as necessary, It is preferably about 0 to 500 m.
- the thickness of the thermoplastic resin layer (C) is such that one appearance selected from the group consisting of an acrylic resin film (A), an acrylic resin laminated film, and a photocurable acrylic resin film or sheet is completely smooth. It is necessary to have such a thickness that it exhibits a proper upper surface, absorbs surface defects of the substrate (E), or does not lose the decorative layer (B) during injection molding.
- a laminated film or sheet (1) one selected from the group consisting of an acrylic resin film (A), an acrylic resin laminated film, and a photocurable acrylic resin film or sheet, and a thermoplastic resin layer
- the film or sheet as (C) can be subjected to heat lamination, dry lamination, wet lamination, hot melt lamination and the like by a known method. In addition, they can be laminated by extrusion lamination.
- the acrylic resin film (A) or the acrylic resin laminated film is melt-extruded into a film or sheet using a T-die or the like on a film or sheet that is a thermoplastic resin layer (C).
- Lamination method (3) an acrylic resin film (A), an acrylic resin laminated film, and a photocurable acrylic resin film or a sheet selected from the group consisting of a thermoplastic resin layer (C ) Is subjected to lamination while melt-extruding into a film or a sheet with a T-die or the like.
- a method of (4) simultaneously laminating the acrylic resin film (A) and the thermoplastic resin layer (C) while melt-extruding is used.
- a lamination method by co-extrusion molding such as a method of bonding inside a die using a feed block method or a multi-manifold method, or a method of providing a plurality of die lips on one die and bonding outside the die, is used. can give.
- lamination methods by co-extrusion molding such as a method of bonding inside a die by a feed block method or a multi-manifold method, or a method of bonding multiple die lips on one die and bonding outside the die Is raised.
- thermoplastic resin layer (C) is interposed between one selected from the group consisting of the acrylic resin film (A), the acrylic resin laminated film, and the photocurable acrylic resin film or sheet, and the thermoplastic resin layer (C).
- a decorative layer (B) and / or a colored layer (F) can be provided.
- a decorative layer (B) can be formed on either of the films or sheets.
- a film or sheet in which a decorative layer (B) is formed on one side it is preferable to arrange the decorative layer (B) surface on a non-surface when forming a laminated film or sheet. It is preferable from the viewpoint of protection of the decorative layer (B) and imparting a sense of quality.
- the decorative layer (B) is formed on the thermoplastic resin layer (C).
- the decorative layer (B) side is laminated by facing one selected from the group consisting of an acrylic resin film (A), an acrylic resin laminated film, and a photocurable acryl resin film or sheet. .
- one side of the acrylic resin film (A), thermoplastic resin layer (C), etc. may be treated with corona, ozone, plasma, ionizing radiation, dichromic acid, anchor, primer, etc. Surface treatment can be performed. Adhesion between the thermoplastic resin layer (C) and the decorative layer (B), between the acrylic resin film (A) and the thermoplastic resin layer (C), etc. can also be improved.
- the position at which the colored layer (F) is provided is not particularly limited, but an acrylic resin film (A), an acrylic resin laminated film, and a photocurable acrylic resin: Alternatively, it is preferably provided at a position in contact with the decorative layer (B), such as between one selected from the group consisting of a sheet and the decorative layer (B).
- the transparent colored layer (F) is formed of an acrylic resin film (A), an acrylic resin laminated film, and one selected from the group consisting of a photocurable acryl resin film or sheet, and a decorative layer (B). By providing them between them, the same decorative layer (B) can have an appearance having various colors.
- a decorative layer (B) when a decorative layer (B) is provided by a printing method, a laminated film or sheet having a design having a different color tone can be easily obtained without changing a plate or an ink in a printing process.
- a metal print layer or a metal layer is used as the decorative layer (B)
- providing a transparent colored layer (F) provides a metallic appearance having various hues such as silver metallic, gold metallic, and blue metallic. It is preferable because it can be used.
- the same decorative layer (B) has an appearance having a background color of various tones.
- the background color uses the color of the colored layer (F), and only the pattern other than the background color is printed.
- a laminated film or sheet having a design with a different color tone can be easily obtained without changing the plate or the like.
- a metallic layer having various hues such as silver metallic, gold metallic, and blue metallic can be provided by providing the colored layer (F). It is preferred because
- an adhesive layer (D) can be provided as needed.
- it can be provided between the coloring layer (F) or the decorative layer (B) and the thermoplastic resin layer (C), or on the thermoplastic resin layer (C) surface in contact with the base material (E).
- the laminated molded article of the present invention is selected from the group consisting of the acrylic resin film (A), the acryl resin laminated film, the photocurable acryl resin film or sheet, and the laminated film or sheet of the present invention.
- the resin used as the base material (E) may be any known resin regardless of the type.
- Such resins include, for example, polyethylene resins, polypropylene resins, polybutene resins, polymethylpentene resins, ethylene-propylene copolymer resins, ethylene-propylene butene copolymer resins, and olefin-based thermoplastics.
- Olefin-based resins such as elastomers, polystyrene-based resins, ABS (atarilonitrile Z-butadiene-styrene-based copolymer) -based resins, AS (acrylonitrile / styrene-based copolymer) -based resins, acrylic resins, urethane-based resins, unsaturated General-purpose thermoplastic or thermosetting resins such as polyester resins and epoxy resins can be given.
- general-purpose engineering resins such as polyphenylene oxide / polystyrene resin, polycarbonate resin, polyacetal resin, polycarbonate-modified polyphenylene ether resin, polyethylene terephthalate resin, polysulfone resin, polyphenylene sulfide resin, etc.
- Super engineering resins such as polyphenylene oxide resin, polyetherimide resin, polyimide resin, liquid crystal polyester resin, and polyallyl heat resistant resin can also be used.
- reinforcing materials such as glass fibers and inorganic fillers (such as talc, calcium carbonate, silica, and mai power), and composite resins and various modified resins to which a modifier such as a rubber component is added can be used.
- the material can be melt-bonded to the layer (C).
- an ABS resin, an AS resin, a polystyrene resin, a polycarbonate resin, a vinyl chloride resin, an acrylic resin, a polyester resin, or a resin containing these as a main component is exemplified.
- an ABS resin, an AS resin, a polycarbonate resin, a vinyl chloride resin, or a resin containing these as a main component is preferable, and an ABS resin, a polycarbonate resin, or a resin containing these as a main component is more preferable.
- the use of the adhesive layer (D) allows the acrylic resin film (A), the acrylic resin laminated film, the photocurable acrylic resin film or sheet, and From laminated film or sheet It is possible to bond one selected from the group consisting of the following and the base material (E) at the time of molding.
- the laminated molded article of the present invention when molded into a two-dimensionally laminated body, is used for a substrate that can be heat-sealed. A known method such as thermal lamination can be used.
- wood veneer such as wood veneer, wood plywood, particle board, medium density fiber board (MDF), water quality board such as wood fiber board, and base material (E) that does not heat-fuse metal such as iron and aluminum
- MDF medium density fiber board
- E heat-fuse metal
- a known method such as an insert molding method or a thin molding method can be used, and the thin molding method is preferred in terms of productivity.
- the in-mold molding method comprises: heating one selected from the group consisting of an acrylic resin film (A), an acrylic resin laminated film, a photocurable acrylic resin film or sheet, and a laminated film or sheet; Perform vacuum forming in a mold with a pulling function.
- This method is preferable from the viewpoints of workability and economy because the film molding and the injection molding can be performed in one step.
- the decorative layer near the gate disappears depending on the shape of the mold and the conditions of injection molding.
- Gates are roughly classified into non-restricted gates in which the resin flow path is not narrowed in the gate section and restricted gates in which the flow path is narrowed. Typical examples of the latter are pinpoint gates, side gates, and submarine gates.
- the residual stress near the gut decreases, but the temperature of the resin passing through the gate increases, and the injection resin pressure per unit area applied to the acryl resin film surface near the gate increases. Therefore, the decorative layer (B) tends to disappear.
- the acrylic resin film (A) of the present invention the loss of the decorative layer (B) is reduced as compared with the case of using the conventionally known acrylic resin film. be able to.
- the loss of the decorative layer (B) due to the presence of the thermoplastic resin layer (C) is eliminated. This is preferable because it can be further reduced.
- the heating temperature during the in-mold molding is such that one selected from the group consisting of an atari resin film (A), an atari resin laminated film, a photocurable acrylic resin film or sheet, and a laminated film or sheet is softened. It is desirable that the temperature be equal to or higher than the temperature. Although it depends on the thermal properties of the film or the shape of the molded product, it is usually 70 ° C or more.
- the preheating temperature during vacuum forming be lower. Specifically, the temperature is preferably 135 ° C or less.
- the preheating time can be shortened instead of lowering the preheating temperature. In this case, a high cycle of vacuum forming is possible, and the industrial use value is high.
- a group consisting of an acrylic resin film (A), an acrylic resin laminated film, a photocurable acrylic resin film or sheet, and a laminated film or sheet One of them is rich in elongation at high temperature, which is very advantageous.
- an acrylic resin film (A) having a decorative layer (B) with a high luminance the appearance is poor due to fish eyes in the acrylic resin film (A) May occur.
- poor appearance is different from missing printing, which is a defect that looks as if the surface of a vacuum molded product is concave.
- any type of resin that can be injection-molded can be used, regardless of the type.
- the laminated film or sheet of the present invention When the laminated film or sheet of the present invention is used for building materials, a method of laminating the laminated film or sheet other than the insert molding method or the in-mold molding method Examples of the method include rubbing processing and V-forced processing.
- Lapping is performed by feeding a laminated film or sheet through the adhesive layer (D) in the longitudinal direction of a columnar substrate such as a cylinder or a polygonal column, and using a number of rollers with different directions to form a columnar substrate.
- a columnar substrate such as a cylinder or a polygonal column
- This is a method of obtaining a laminated molded product by pressure-bonding a laminated film or sheet sequentially to a plurality of side surfaces constituting a body.
- a laminated film or sheet is laminated on a plate-shaped substrate via an adhesive layer (D), and then the laminated film or sheet is laminated on the surface of the plate-shaped substrate opposite to the laminated film or sheet. Cut a V-shaped or U-shaped groove so that it reaches the interface with the plate-shaped substrate, then apply an adhesive in the groove, bend the groove, and cut the box or column. This is a method of obtaining a laminated molded product.
- a laminated film or sheet containing the resinous film (A) of the present invention can reduce the whitening of the acrylic film during lapping or V-cutting.
- the photocurable resin composition on the surface of the laminated molded article is photocured by irradiating light.
- the light to be irradiated include an electron beam, ultraviolet light, and ⁇ -ray.
- the irradiation conditions are determined according to the photocuring characteristics of the photocurable resin composition ( ⁇ ) layer, and the irradiation amount is usually about 500 to 100,000 Omj / cm 2 .
- the photocurable resin composition (Z) can be cured to obtain a laminated molded article having a hard film formed on the surface.
- One surface selected from the group consisting of the acrylic resin film (A), the acrylic resin laminated film, the photocurable acrylic resin film or sheet, the laminated film or sheet, and the laminated molded product of the present invention has: If necessary, the surface can be subjected to a surface treatment for imparting various functions.
- surface treatments for imparting functions include printing treatments such as silk printing and ink jet printing, metallization, or metal deposition for preventing reflection, sputtering, wet plating, and surface hardening treatment for improving surface hardness.
- Specific examples include instrument panels, console boxes, meter covers, door locks, steering wheels, power window switch bases, center clusters, dashboards and other automotive interior applications, weather strips, bumpers, bumper guards, side mats Door, body panel, boiler, front grinole, flat mount, wheel cap, center pillar, door mirror, center ornament, side molding, door molding, wind molding, etc., windows, head lamp covers, tail lamp covers, windshield parts, etc.
- front panel for AV equipment and furniture products potan, en-prem, surface cosmetics, etc., mobile phone housing, display window, buttons, etc.
- exterior materials for furniture for interior materials for construction such as walls, ceilings, floors, etc.
- interior materials for construction such as walls, ceilings, floors, etc.
- exterior materials for construction such as fences, roofs, gates, gable boards, etc.
- One selected from the group consisting of the acrylic resin film material (A), the acrylic resin laminated film, the photocurable acrylic resin film or sheet, and the laminated film or sheet of the present invention is formed by molding whitening resistance and surface hardness. It satisfies the performance of heat resistance, transparency or anti-glare properties, and can dramatically expand the conventional applications. In particular, it has excellent molding whitening resistance when subjected to insert molding and in-mold molding.
- the acrylic resin film-like material (A) of the present invention a film protruding by hand instead of punching is used. It has very high industrial value because it eliminates the need for a work process to remove whitening, has a design limitation, and eliminates the need for a process of reheating whitened parts to remove whiteness.
- the evaluation of the laminated molded product was performed on the laminated molded product prepared for evaluating the whitening resistance of the molded product. However, the evaluations in Examples 24 to 27 and Comparative Examples 13 and 14 were performed on the laminated molded products manufactured by the method described in the text.
- the polymer latex of the multilayer polymer (I) obtained by emulsion polymerization was measured by a dynamic light scattering method using a light scattering photometer DLS-700 (trade name) manufactured by Otsuka Electronics Co., Ltd. Specified.
- 0.1 g of the polymer was dissolved in 100 mL of black form and measured at 25 ° C.
- the value of the haze was measured for the test piece before the tensile test and the test piece after the tensile test according to the test method of JIS K7136.
- the same test method was used for the acrylic resin film (A) having a haze value of more than 4 °%.
- the inserts described in Examples 24 to 27 and Comparative Examples 13 and 14 The molded article was also measured according to the test method of JIS K7136.
- a pellet of the resin composition was molded into a test piece for measuring a thermal deformation temperature based on ASTM D648 by injection molding, and annealed at 60 ° C. for 4 hours.
- the test piece was used at a low load (0.45 MPa) and measured according to ASTM D648.
- In-mold molding was performed using an in-mold molding machine that combines a molding machine (trade name, manufactured by Nippon Steel Works, Ltd.) and a hot pack system (trade name, manufactured by Nissha Printing Co., Ltd.).
- the detailed shape of the molded product is a box shape with a length of 150111111 width 1 2 0111111 thickness 2111111 and a depth of 1 Om m.
- the gate position of the mold is one at the center of the molded product and above and below the central gate (molded product) (Longitudinal direction) There are a total of three places, one at each of 4 Omm positions, and the gate shape is a pinpoint gate with a diameter of lmm.
- the vacuum forming of the film having the decorative layer (B) is performed by heating at a heater temperature of 260 ° C, a heating time of 15 seconds, and a distance of 15 mm between the heater and the film. Was formed in a direction in contact with.
- injection molding to be carried out in the same mold is performed under the following conditions: cylinder temperature 250 ° C, injection speed 30%, injection pressure 43%, mold temperature 60 ° C.
- the resin was injected.
- heat-resistant ABS resin (trade name “Baltasum TM25B”, manufactured by UMGAB S) was used as the base resin.
- the state of the 1 cm 2 square convex portion of the obtained laminated molded product was observed and evaluated as follows.
- the printing state of the decorative layer (B) near the gate was also observed, and evaluated as follows.
- the obtained laminated film is placed in a mold having a vacuuming function so that the acrylic resin film (A) side is the cavity side, heated at 140 ° C for 1 minute, and then vacuum formed. Unwanted parts were trimmed.
- the vacuum-formed laminated film is made of acrylic resin on a mold with 1 cm 2 squares and a depth of 1 mm HQ (3 cm horizontally from the center gate) at the bottom of the mold on the cavity side. The film was placed at the bottom of the mold so that the film side was the cavity side.
- ABS resin made by UMG ABS, trade name “Diapet AB S Balthasam TM25” as a base material is injection-molded on the thermoplastic resin film side of the laminated film, and the laminated molded product is formed by insert molding. Got.
- the detailed shape of the molded product is 150 mm long x 1 20111111 thick 2111111, depth 1 Om
- the gate position of the mold is one in the center of the molded product, and one at each of the 4 Omm positions above and below the central gate (vertical direction of the molded product).
- the pinpoint gate is lmm in diameter.
- Injection molding was performed using a J85 EL II injection molding machine (trade name) manufactured by Nippon Steel Works under the conditions of cylinder temperature 250 ° C, injection speed 30%, injection pressure 43%, mold temperature 60 ° C. went.
- a load of 0.049 ⁇ a was applied on the 5-layered gauze and the appearance of the laminated molded product and the laminated film was evaluated as follows when scratching was performed 200 times reciprocating at a stroke of 10 Omm for 30 reciprocations of Z minutes. .
- a polyethylene cylinder with an inner diameter of 38 mm and a height of 15 mm was placed on the surface of the molded product, and was tightly adhered to the test piece with a pressure applicator.
- the car air freshener manufactured by Diamond Chemical Co., Ltd .; 5 mL of mate poppy citrus) was injected. Then, after the opening was covered with a glass plate, it was left in a thermostat kept at 55 ° C. for 4 hours. Thereafter, the crimping device was removed, the test piece was washed with water, air-dried, and the surface condition of the test portion was observed, and evaluated as follows.
- X The print looks like a white tint.
- the test was carried out at a rotation speed of 60 rpm and the number of tests was 100 and 500.)
- the haze value was measured.
- the value expressed as (value of haze after test) -1 (value of haze before test) was shown as abrasion resistance (%).
- the test was performed according to the test method of ASTM D790 using a strograph T manufactured by Toyo Seiki Seisaku-Sho, Ltd. under the conditions of a fulcrum of 100 mm and a bending speed of 3 mm / min.
- Each resin composition (III) pellet was formed into a test piece for measuring a heat deformation temperature based on ASTM D648 by injection molding, and measurement was performed using the test piece.
- the appearance of the laminated molded product surface during rubbing processing performed to obtain the laminated molded product is shown.
- the display is as follows.
- the display is as follows.
- the display is as follows.
- the situation when an acrylic resin film ( ⁇ ) with a film thickness of 125 ⁇ was formed by the T-die method is shown.
- the display is as follows.
- the film could be formed without breaking the film for more than 5 hours.
- a laminated molded product obtained by press-molding a 125 m acrylic resin film (A) and a 3-mm-thick chlorinated vinyl chloride plate using a ⁇ type with a matte surface at 85 ° C The appearance when heated for 15 hours is shown.
- the display is as follows.
- the monomer component consisting of 025 parts was charged and stirred and mixed at room temperature. Then, while stirring, emulsifier (trade name “Phosphanol RS 61 ON A”, manufactured by Toho Chemical Industry Co., Ltd.) 1. Charge 3 parts into the above container, and continue stirring for 20 minutes to prepare an emulsion. did.
- emulsifier trade name “Phosphanol RS 61 ON A”, manufactured by Toho Chemical Industry Co., Ltd.
- the T g of 1-1-A alone was ⁇ 48 ° C.
- the T g of the innermost polymer outer layer (I_l—A 2 ) alone was ⁇ 10 ° C.
- a monomer component consisting of 57 parts of MMA, 3 parts of MA, 0.264 parts of n-OM and 0.075 parts of t_BH was dropped into the polymerization vessel over 140 minutes, and the reaction was continued for 60 minutes.
- the outermost layer polymer (I-11C) was formed to obtain a polymer latex of the multilayer structure polymer (I-11).
- the Tg of the outermost layer polymer (I-11-C) alone was 99 ° C.
- the weight average particle diameter of the multilayer polymer (I-I) measured after the polymerization was 0.1 1 // m.
- the obtained polymer latex of the multilayer polymer (1-1) was used as a filter medium by S US After filtration using a vibrating filtration device equipped with a mesh (average opening: 62 / m), salting out was carried out in an aqueous solution containing 3.5 parts of calcium acetate, washed with water, recovered, dried, A powdery multi-layer polymer (I-11) was obtained.
- the gel content of the multilayer polymer (I-11) was 70%.
- an intermediate layer polymer (I-2-B) was formed in the same manner as the intermediate layer polymer (I-111B) of the multilayer structure polymer (1-1).
- the Tg of the intermediate layer polymer (1_2-B) alone was 60 ° C.
- the weight average particle diameter of the multilayer polymer (I-I) measured after the polymerization was 0.11.
- the resulting polymer latex of the multilayer polymer (I-12) was filtered using a vibration-type filtration device equipped with a mesh made of SUS (average opening: 62 ⁇ ) as a filter material, and then filtered with calcium acetate 3. It was salted out in an aqueous solution containing 5 parts, washed with water, recovered, and dried to obtain a powdery multi-layered polymer (I-12). The gel content of the multilayer polymer (I-12) was 70%.
- the number of particles having a diameter of 55 ⁇ or more of the obtained multilayer structure polymer (I-2) was determined in the same manner as in the case of the multilayer structure polymer (I-11).
- a monomer component consisting of 25 parts was charged and stirred and mixed at room temperature. Then, while stirring, emulsifier (trade name “Phosphanol RS 61 ONA”, manufactured by Toho Chemical Industry Co., Ltd.) 1. Charge 3 parts into the above container, and continue stirring for 20 minutes to prepare an emulsion. Then, 186.5 parts of deionized water was charged into a polymerization vessel equipped with a condenser, and the temperature was raised to 70 ° C.
- emulsifier trade name “Phosphanol RS 61 ONA”, manufactured by Toho Chemical Industry Co., Ltd.
- a mixture prepared by adding 0.20 part of sodium formaldehyde sulfoxylate, 0.0001 part of ferrous sulfate and 0.0003 part of EDTA to 5 parts of ion-exchanged water was charged into the polymerization vessel at a time.
- the prepared emulsion was added dropwise to the polymerization vessel over 8 minutes while stirring under nitrogen, and the reaction was continued for 15 minutes to complete the polymerization of the innermost polymer inner layer (1-3-AJ).
- the innermost polymer inner layer (I one 3- A 2) Containing innermost layer polymer (1 _3-A) was obtained.
- the weight average particle diameter of the multilayer polymer (I-13) measured after the polymerization was 0.12 ⁇ .
- the obtained polymer latex of the multilayer structure polymer (I-13) was filtered using a vibrating filter equipped with a mesh made of SUS (mean opening: 62 zm) as a filter medium, and then calcium acetate was added. It was salted out in an aqueous solution containing 3 parts, washed with water, recovered, and dried to obtain a powdery multilayer structure polymer (I-13).
- the gel content of the multilayer polymer (I-13) was 60%.
- the obtained polymer latex of the multilayer structure polymer (I-14) was coagulated with calcium acetate.
- the mixture was subjected to coagulation and solidification reactions, filtered, washed with water, and dried to obtain a multilayer polymer (1-4).
- the raw material (F) for the outermost polymer outer layer (1-5-A 2 ) shown below was mixed with the monomer component [W )] increase in 4% / hour, after continuously added, and held for 1 20 minutes, performing the polymerization of the innermost layer polymer outer layer (I one 5-a 2), the outermost layer polymer (I One 5—A) latex was obtained.
- the weight average particle diameter of the obtained multilayer structure polymer (I-15) was 0.28 ⁇ m.
- the polymer latex of the obtained multilayer structure polymer (I-15) was treated with calcium acetate. Coagulation, coagulation, and solidification reactions were performed, followed by filtration, washing with water, and drying to obtain a multilayer polymer (1-5).
- the following mixture was charged into a reaction vessel equipped with a stirrer, a reflux condenser, a nitrogen gas inlet, and the like.
- the intrinsic viscosity of the obtained hydroxyl group-containing polymer (V-1) was 0.076 L / g, and the glass transition temperature was 93 ° C.
- the reaction vessel was charged with 200 parts of nitrogen-exchanged ion-exchanged water, and further charged with 1 part of “Latemul ASK” (trade name, manufactured by Kao) as an emulsifier and 0.15 parts of potassium persulfate.
- “Latemul ASK” trade name, manufactured by Kao
- a monomer component consisting of 44 parts of MMA and 14 parts of n_BA was added dropwise over 2 hours, and then maintained for 2 hours to complete the polymerization.
- thermoplastic polymer (VI1-1) The resulting polymer latex of the thermoplastic polymer (VI1-1) was added to a 0.25% aqueous sulfuric acid solution to cause acid precipitation of the polymer, followed by dehydration, washing with water, and drying. The reactive polymer (VI1-1) was recovered.
- thermoplastic polymer (VI 1-1) The reduced viscosity of the obtained thermoplastic polymer (VI 1-1) was 0.38 L / g. '
- the following (h) and (d) were charged into a reaction vessel, and added at 75 ° C under a nitrogen atmosphere with stirring for 8 minutes. After that, the mixture was kept for 60 minutes to obtain a latex of the innermost polymer inner layer (I- latex.
- the Tg of the innermost polymer inner layer (I-16-A was 137 ° C.
- formed following (j) in the nitrogen atmosphere at 75 ° C, with stirring was added dropwise over a period of 120 minutes, to complete the holding the polymerization then 60 minutes, the innermost layer polymer outer layer (I _6- a 2)
- the T g of the innermost polymer outer layer (I-6-A 2 ) was 149 ° C.
- the average particle size of the obtained multilayer structure polymer (I-16) was 0.11 m.
- the resulting polymer latex of the multilayered polymer (1-6) was filtered using a vibrating filter equipped with a SUS mesh (mean aperture 62 ⁇ ) as a filter medium, and then 3.5 parts of calcium acetate was added.
- the gel content of the multilayer polymer (I-16) was 75%.
- methyl ethyl ketone 50 parts was placed in a 1-liter flask equipped with a nitrogen inlet, a stirrer, a condenser and a thermometer, and the temperature was raised to 80 ° C. Under a nitrogen atmosphere, a mixture of 79.9 parts of methyl methacrylate, 20.1 parts of glycidyl methacrylate and 0.5 part of azobisisobutyronitrile was added dropwise over 3 hours. Thereafter, a mixture of 80 parts of methyl ethyl ketone (boiling point: 79.6 ° C.) and 0.2 part of azobisisobutyronitrile was added and polymerized.
- the polymerization rate of the monomer in the thermoplastic resin (z_1) having a radically polymerizable unsaturated group in the side chain is 99.5. /.
- the polymer solid content is about 35 mass. /.
- the number average molecular weight is about 30,000, the glass transition temperature is about 105 ° C, and the double bond equivalent is 788 gZmo1 on average.
- thermoplastic resin having a radical polymerizable unsaturated group in the side chain a thermoplastic resin having a radical polymerizable unsaturated group in the side chain (z_l), 3 parts of 1-hydroxycyclohexyl phenyl ketone (photopolymerization initiator (z -2))
- photocurable resin solution consisting of 66 parts of colloidal silica (inorganic fine particles (a-3)) was prepared by stirring with a propeller type mixer.
- a monomer component comprising 57 parts of MMA, 3 parts of MA, 0.264 parts of n-OM, and 5 parts of t-BH0.07 was dropped into the polymerization vessel over 140 minutes, and the reaction was continued for 60 minutes.
- a polymer (I-17-C) was formed to obtain a polymer latex of a multilayer polymer (I-17).
- the Tg of the outermost layer polymer (I-17-C) alone was 99 ° C.
- the weight average particle diameter measured after the polymerization was 0.11 m.
- the resulting polymer latex of the multilayer polymer (I-17) was filtered using a vibrating filter equipped with a SUS mesh (mean opening 62 / im) as a filter material, and then calcium acetate 3.5.
- the salt was precipitated out in an aqueous solution containing an aqueous solution, washed with water, recovered and dried to obtain a powdery multi-layered polymer (I-17).
- the gel content of the multilayer polymer (I-17) was 68%.
- multilayer polymers (1-13) to (I-16) in which each layer was composed of the monomer components shown in Table 1 were produced.
- the monomer dropping rate of each polymer was adjusted to the production conditions of (I-13) to complete the polymerization of the innermost layer polymer (I-A).
- the outermost layer polymer (I-C) was produced by polymerization.
- Table 1 shows the T g of the polymer constituting each layer.
- Multi-layered polymer (I-I 1) 100 parts, as a compounding agent, Cibas Charity Chemicals Co., Ltd. product name “Tinuvin 234” 2.7 parts, Asahi Denka Co., Ltd. product name “Adeki Stub AO-50J 0.1 And Adeka stub LA-571 0, 3 parts, manufactured by Asahi Denka Kogyo Co., Ltd., and then mixed using a Henschel mixer.
- An acrylic resin film (A) having a thickness of 125 m was formed at a temperature of 180 to 240 ° C and a T-die temperature of 240 ° C.
- the decorative layer (B) there were few printing omissions, and it was good.
- Example 2 Same as Example 1 except that instead of 100 parts of the multilayer polymer (I-1), 75 parts of the multilayer polymer (I-11) and 25 parts of the thermoplastic polymer (II-11) were used. Then, a mixture [resin composition (II 1 _3)] was obtained, and an acrylic resin film (A) was formed. In addition, in the formation of the decorative layer (B), print missing was small and good.
- Example 1 Same as Example 1 except that instead of 100 parts of the multilayer polymer (I-1), 90 parts of the multilayer polymer (1-2) and 10 parts of the thermoplastic polymer (II_1) were used. Then, a mixture [resin composition (III-IV)] was obtained, and an acrylic resin film (A) was formed. In addition, in the formation of the decorative layer (B), print missing was small and good.
- “Cinuvin 234” (trade name, manufactured by Ciba Chemical Corporation) used as one of the compounding agents 2. Instead of 7 parts, “Adecastab LA—3” (trade name, manufactured by Asahi Denka Kogyo) 1 "Except for the addition of 2.1 parts, a mixture [resin composition (III-15)] was obtained in the same manner as in Example 3, and an acrylic resin film (A) was formed. In the formation of the decorative layer (B), print omission was small and good.
- This mixture [resin composition (IV-1)] is supplied to a degassing extruder (PCM-30 (trade name) manufactured by Ikegai Iron Works Co., Ltd.) heated to 230 ° C, and kneaded to obtain a pellet.
- PCM-30 degassing extruder
- An acrylic resin film (A) having a thickness of 125 ⁇ m was formed at a T-die temperature of 240 ° C.
- Example 2 instead of using 100 parts of the multilayer polymer (I-1), 90 parts of the multilayer polymer (1-1) and 10 parts of the thermoplastic polymer (II-11) used in Example 2 were used. Then, a mixture [resin composition (IV-2)] was obtained in the same manner as in Example 7, and an ataryl polymer film (A) was formed into a film.
- Example 10 As a compounding agent, 2.7 parts of "Tinuvin 234" (trade name, manufactured by Ciba Charity Chemicals), "Adecastab AO-50” (trade name), manufactured by Asahi Denka Kogyo Co., Ltd. A mixture [resin composition (IV-4)] was obtained in the same manner as in Example 8, except that 0.3 parts of “57” and 0.4 parts of “ADK STAB 260” manufactured by Asahi Denka Kogyo Co., Ltd. were used. Acrylic resin film (A) was formed
- the obtained pellets were dried at 80 ° C all day and night, and a cylinder temperature of 180 to 240 ° C was obtained using a 40 mm ⁇ non-vent screw extruder (LZD-26) equipped with a 300 mm width T die. Melt extrusion was performed through a T-die at a T-die temperature of 240 ° C.
- the extruded resin consisted of a mirror-finished roll (rolled with a chrome-plated surface roughness of 0.2 S) controlled at 75 ° C and a silicone rubber roll containing 50 parts of alumina with an average particle size of 40 ⁇ .
- thermoplastic polymer (II-12) was 65 parts for the multilayer polymer (I-11) and 25 parts for the thermoplastic polymer (II_2).
- a mixture [resin composition (IV-7)] was obtained in the same manner as in Example 13, and an acrylic resin film (A) was formed.
- the film of Example 14 was used, no print omission occurred.
- the surface of the acrylic resin film (A) prepared in Example 13 which was in contact with the mirror roll was printed in silver metallic tone to form a decorative layer (B).
- the printed acrylic resin film material (A) is heat-laminated through an embossing roll on the above-mentioned thermoplastic resin film so that the thermoplastic resin film layer and the decorative layer are in contact with each other to form a laminated film. Obtained.
- a laminated film was obtained in the same manner as in Example 15 except that the acrylic resin film (A) produced in Example 8 was used. (Comparative Example 4)
- the pellets were dried at 80 ° C all day and night, and 65 mm ⁇ non-vent screw single-screw extruder, 40 mm ⁇ non-vent screw single-screw extruder, and 300 mm width multi-horned die were used. It is co-extruded at a cylinder temperature of 180 to 240 ° C and a T-die temperature of 240 ° C.
- the thickness of the acrylic resin film (A'-a) located on the surface layer is 10 im and located below it.
- An acrylic resin laminated film having a total thickness of 125 / m with an acrylic resin film (A) thickness of 115 m was obtained.
- the acrylic resin film (A) is 65 5 ⁇
- the oily film ( ⁇ '-a) was extruded with a 4 Omm O extruder.
- Example 17 was repeated except that the pellets (resin compositions (II 1-2) to (II 1-4)) obtained in Examples 2 to 4 were used as the acrylic resin film (A). An acrylic resin laminated film was formed.
- Acrylic resin laminated film was formed in the same manner as in Example 18 except that acrylic resin “Attaripet MD” (trade name) manufactured by Mitsubishi Rayon Co., Ltd. was used as the ataril resin film (A'-a). did. In addition, when this acrylic resin film ( ⁇ ′-a) was used alone to form a 125 zm film, the pencil hardness was 3 H.
- the acrylic resin film (A, 1b) was extruded with a 65 mm extruder, and the acrylic resin film (A'-a) was extruded with a 4 Omm ⁇ extruder. (Comparative Example 7)
- Comparative Example 6 was carried out in the same manner as in Comparative Example 6, except that the pellet (resin composition (II-1-8)) obtained in Comparative Example 2 was used as an acrylic resin film (A'-b).
- Example 2 The same procedure as in Example 1 was carried out except that the multilayer polymer (I-14) and the thermoplastic polymer (II-13) were mixed in the proportions shown in Table 7, and an acrylic resin film ( ⁇ ′- A pellet for b) (resin composition (II-A, 13)) was obtained.
- Acrylic resin laminated film was formed in the same manner as in Comparative Example 6, except that was used.
- the photocurable resin solution was applied on the acrylic resin film (A) obtained in Example 1 using a comma roll coater with a coating width of 25 Omm. Subsequently, a tunnel-type drying furnace (width 800 mm, height 100 mm, length 8 m, divided into four drying zones (one zone length 2 m)) set to the temperature conditions shown in Table 2 below was applied to the sheet movement. The hot air was blown countercurrently at a rate of 1 Om / min to evaporate the solvent and form a photocurable resin (Z) layer. Table 2 below shows the time spent in each drying zone at this time. Table 2
- This photocurable acrylic resin film is placed in a mold so that the photocurable resin composition faces the inner wall surface of the mold, and then the photocurable acryl resin film is heated at 350 ° C for 10 seconds by an infrared heater. After preheating, the photocurable acryl resin film was made to follow the mold by vacuum suction while further heating.
- the shape of this mold is a truncated pyramid shape, the size of the truncated surface is 10 OmmX 10 Omm, the size of the bottom surface is 108 mmX 1 17 mm, the depth is 1 Oram, and the end of the truncated surface Had a radius of curvature of 3, 5, 7, 1 Omm, respectively. At that time, the mold following ability was visually evaluated, and it was found that each end portion followed well.
- insert molding is performed using a polycarbonate resin as a molding resin, and the photocurable A laminated molded product in which the cryl resin film adhered to the surface of the molded product was obtained.
- the photocurable resin composition was cured by irradiating ultraviolet rays of about 70 OmJ / cm 2 using an ultraviolet irradiator, and the surface properties of the laminated molded product were evaluated.
- Example 24 was carried out in the same manner as in Example 24 except that the acrylic resin film (A) obtained in Example 2 was used.
- Example 24 was carried out in the same manner as in Example 24 except that the acrylic resin film (A) obtained in Example 3 was used.
- Example 24 was carried out in the same manner as in Example 24 except that the acrylic resin film (A) obtained in Example 4 was used.
- thermoplastic resin layer (C) 40 mm non-vents with a screen mesh of 400 mesh with a 30 OmmT die attached using an ABS resin (trade name: Dyapet ABS SW7 manufactured by UMG ABS) as the thermoplastic resin layer (C)
- ABS resin trade name: Dyapet ABS SW7 manufactured by UMG ABS
- the resin extruded through a T-die is heated to 75 ° C under the conditions of a cylinder temperature of 180 ° C to 220 ° C and a T-die temperature of 230 ° C.
- a 200-zm-thick thermoplastic resin film was formed through the three adjusted polisher rolls.
- a silver metallic tone decorative layer (B) was formed by gravure printing on the acrylic resin film (A) side of the photocurable acryl resin film obtained in Example 26.
- thermoplastic resin film obtained above was subjected to thermal lamination to obtain a photocurable laminated film.
- insert molding was performed by the method described in (9) of [Measurement and Evaluation of Physical Properties] to produce a laminated molded product.
- the photocurable resin composition was cured by irradiating ultraviolet rays of about 70 Om J / cm 2 using an ultraviolet irradiator to obtain a laminated molded product.
- the obtained laminated molded article had a printed pattern and was excellent in design.
- Example 24 was carried out in the same manner as in Example 24 except that the acrylic resin film (A) obtained in Comparative Example 2 was used.
- Example 24 was carried out in the same manner as in Example 24 except that the acrylic resin film (A) obtained in Comparative Example 3 was used.
- the acrylic resin film (A) obtained in Example 1 was coated with a wood pattern and jet-black pattern as a decorative layer (B) by gravure printing as a decorative layer (B). Finally, the decorative layer (B) was heated via a heating roll. Was placed in contact with the thermoplastic resin film (C) obtained in Example 15 and subjected to thermal lamination to obtain a laminated film.
- Example 29 was carried out in the same manner as in Example 29 except that the acrylic resin film (A) obtained in Examples 2 to 5 was used.
- thermoplastic resin film (C) obtained in Example 15 was subjected to a wood pattern and jet-black pattern by gravure printing as a decorative layer (B) as a decorative layer (B). Finally, the decorative layer (B) was passed through a heating roll. Was placed so as to be in contact with the acrylic resin film (A) obtained in Example 3, and subjected to thermal lamination to obtain a laminated film.
- Example 31 The measurement was carried out in the same manner as in Example 31 except that a laminated molded product by in-mold molding was obtained by the method described in the column (8) of [Measurement and Evaluation of Physical Properties].
- Example 9 was carried out in the same manner as in Example 29 except that the acrylic resin film (A) obtained in Example 6 was used.
- thermoplastic resin layer (C) A 90-m-thick colored random polypropylene resin film (manufactured by Riken Vinyl Industry Co., Ltd.) as a thermoplastic resin layer (C) is prepared by mixing 3% by mass of an isocyanate curing agent with a polyester polyol-based vehicle.
- the decorative layer (B) wood grain pattern and jet black pattern
- the decorative layer (B) is printed by a gravure printing method using a liquid-curable urethane resin-based ink "Ramister” (manufactured by Toyo Ink Co., Ltd .; trade name).
- An adhesive layer (D) was formed by applying an acrylic-polyester monochlorinated vinyl acetate-based heat-adhesive resin to the coating amount after drying of 1.5 g / m 2 by the Daravia coating method. Thereafter, a 50 ⁇ m acryl resin film (A) obtained by the same method as in Example 1 as a surface protective layer was laminated on the surface of the adhesive layer under a condition of a film surface temperature of 120 ° C. The pipe pattern was embossed with a metal embossing roll having a surface temperature of 180 ° C to obtain a laminated film for building materials.
- a three-dimensional laminate was formed on the polyester resin-based three-dimensional base material under the condition of a building material laminated film temperature of 80 ° C. to obtain a laminated molded product having a three-dimensional shape.
- Example 37 was carried out in the same manner as in Example 37, except that a 50-m talyl resin film (A) obtained in the same manner as in Examples 2 to 4 was used.
- Example 37 The procedure was performed in the same manner as in Example 37, except that the 50 ⁇ m attaryl resin film (A) obtained in the same manner as in Comparative Examples 1 to 3 was used.
- Example 1 was carried out in the same manner as in Example 1 except that the multilayer polymer (I-11) was used instead of the multilayer polymer (I-11).
- Example 49 was carried out in the same manner as in Example 3 except that 1.0 part (Example 50) of trade name “Tinuvin 1577” manufactured by Chipas Specialty Chemicals was used.
- Example 6 was carried out in the same manner as in Example 6, except that “ADK STAB LA-67” (trade name, manufactured by Asahi Denka Kogyo) used as one of the compounding agents was not added.
- ADK STAB LA-67 trade name, manufactured by Asahi Denka Kogyo
- Example 1 was carried out in the same manner as in Example 1 except that the multilayered polymers (I-11) to (I-11) were used instead of the multilayered polymers (I-11).
- Table 3 shows the resin component composition and the gel content of the resin composition (III) [Resin composition (II1-1-9)] used in Examples 1 to 6 and Comparative Examples 1 to 3. Also get Table 4 shows the evaluation results of the obtained acryl resin film (A) and the laminated molded product.
- Table 5 shows the composition of the resin component and the gel content of the resin composition (IV) [Resin IE composition (IV 9)] used in Example 716 and Comparative Examples 4 and 5.
- Table 6 shows the evaluation results of the obtained acrylic resin film (A) or the laminated film and the laminated molded product.
- Table 9 shows the evaluation results of the acryl resin film (A), the photocurable acrylic resin film, and the laminated molded product obtained in Examples 24 to 28 and Comparative Examples 13 and 14.
- Example 28 was evaluated with a decorative pattern in silver metallic tone
- Acrylic resin film (A) evaluation Performed on a film formed to a thickness of 125 ⁇ m.
- HDTCC 83 ⁇ ⁇ X X ⁇ X
- Example 51 Asahi Denka Kogyo Co., Ltd. product name “ADK STAB LA-67J was added in an amount of 0 parts by mass.
- Thermoplastic polymer (II-2) (parts)
- the acrylic resin film materials (A) of Examples 1 to 16 having a pencil hardness of 2 B or more were excellent in scratch resistance.
- the acrylic resin film materials (A) of Examples 2 to 6 and 8 to 16 having a pencil hardness of F or more exhibited particularly excellent abrasion resistance and showed no scratches.
- a tensile test was performed on a test piece with a width of 2 O mm under the conditions of a distance between chucks of 25 mm, a speed of 5 O mm / min, and a temperature of 23 ° C so that the distance between the end points of the chucks was 33 mm.
- the ataryl resin film materials ( ⁇ ) of Comparative Examples 1 and 4 having a pencil hardness of less than 2 mm are poor in abrasion resistance, and have a heat deformation temperature of 79 ° C. It does not satisfy aging properties, and its industrial value is low.
- the acrylic resins of Examples 1-3, 5, 7-9, and 41-61 using the multilayer polymer (I), the resin composition (III), or the resin composition (IV) of the present invention Both the film-like material (A) and the laminated molded product having the same had good properties.
- Examples 17 to 23 an acrylic resin multilayer film having excellent molding whitening resistance, abrasion resistance, and heat aging resistance during grain printing, which could not be obtained with a conventionally known acryl resin multilayer film, was obtained. Obtained.
- Industrial applicability The laminated molded article having the acrylic resin film material (A) of the present invention is particularly suitable for vehicle use and building material use. Specific examples include instrument panels, console panels, meter covers, door locks, steering wheels, and steering wheels.
- automotive interior applications such as work window switch bases, center clusters, and dashboards, weather strips, bumpers, bumper guards, side mat guards, body panels, boilers, front grilles, strut mounts, wheel caps, center pillars, Door mirrors, center ornaments, side doors / doors, door doors / doors, wind malls, windows, headlamp covers, satellite lamp covers, windshield parts, automotive exterior applications, AV equipment and furniture products, front panels, buttons, emblems, Applications such as surface cosmetic materials, housings for mobile phones, display windows, buttons, etc., as well as exterior materials for furniture, architectural interior materials such as walls, ceilings and floors, outer walls such as siding, fences, and roofs , Gates, gable boards, etc.
- Exterior materials for construction, window frames, doors, handrails, sills, drapes, etc., surface cosmetics for furniture, various displays, lenses, mirrors, goggles, window glass, etc., or trains, aircraft It can be suitably used for interior and exterior applications of various vehicles other than automobiles such as ships, bottles, cosmetic containers, various packaging containers and materials such as accessories, and various other applications such as miscellaneous goods such as prizes and accessories. it can.
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- Polymers & Plastics (AREA)
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Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/541,729 US7781062B2 (en) | 2003-01-10 | 2003-12-26 | Multilayer structure polymer and resin composition together with acrylic resin film material, acrylic resin laminate film, photocurable acrylic resin film or sheet, laminate film or sheet and laminate molding obtained by laminating thereof |
| EP20030768318 EP1582538B1 (en) | 2003-01-10 | 2003-12-26 | Multilayer structure polymer and resin composition together with acrylic resin film material, acrylic resin laminate film, photocurable acrylic resin film or sheet, laminate film or sheet and laminate molding obtained by laminating thereof |
| DE60332491T DE60332491D1 (de) | 2003-01-10 | 2003-12-26 | Polymer mit mehrschichtstruktur und harzzusammensetzung zusammen mit einem acrylharzfilmmaterial, acrylharzlaminatfilm, lichthärtbaren acrylharzfilm oder -folie, laminatfilm oder -folie und mittels deren laminierung gewonnene laminatform |
| US12/831,436 US8137803B2 (en) | 2003-01-10 | 2010-07-07 | Multilayer structure polymer and resin composition together with acrylic resin film material, acrylic resin laminate film, photocurable acrylic resin film or sheet, laminate film or sheet and laminate molding obtained by laminating thereof |
Applications Claiming Priority (16)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003004427 | 2003-01-10 | ||
| JP2003-4427 | 2003-01-10 | ||
| JP2003041212 | 2003-02-19 | ||
| JP2003-41212 | 2003-02-19 | ||
| JP2003057335 | 2003-03-04 | ||
| JP2003-57335 | 2003-03-04 | ||
| JP2003-58692 | 2003-03-05 | ||
| JP2003-58690 | 2003-03-05 | ||
| JP2003058692 | 2003-03-05 | ||
| JP2003058554 | 2003-03-05 | ||
| JP2003-58554 | 2003-03-05 | ||
| JP2003058690 | 2003-03-05 | ||
| JP2003066645 | 2003-03-12 | ||
| JP2003-66645 | 2003-03-12 | ||
| JP2003069915 | 2003-03-14 | ||
| JP2003-69915 | 2003-03-14 |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US10541729 A-371-Of-International | 2003-12-26 | ||
| US12/831,436 Division US8137803B2 (en) | 2003-01-10 | 2010-07-07 | Multilayer structure polymer and resin composition together with acrylic resin film material, acrylic resin laminate film, photocurable acrylic resin film or sheet, laminate film or sheet and laminate molding obtained by laminating thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2004063238A1 true WO2004063238A1 (ja) | 2004-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2003/016951 Ceased WO2004063238A1 (ja) | 2003-01-10 | 2003-12-26 | 多層構造重合体及び樹脂組成物、並びに、アクリル樹脂フィルム状物、アクリル樹脂積層フィルム、光硬化性アクリル樹脂フィルム又はシート、積層フィルム又はシート、及び、これを積層した積層成形品 |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US7781062B2 (ja) |
| EP (1) | EP1582538B1 (ja) |
| DE (1) | DE60332491D1 (ja) |
| WO (1) | WO2004063238A1 (ja) |
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| JPWO2014038679A1 (ja) * | 2012-09-07 | 2016-08-12 | 三菱レイヨン株式会社 | アクリルフィルム、その製造方法、積層フィルム、積層射出成形品及びゴム含有重合体の製造方法 |
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| JPWO2014038679A1 (ja) * | 2012-09-07 | 2016-08-12 | 三菱レイヨン株式会社 | アクリルフィルム、その製造方法、積層フィルム、積層射出成形品及びゴム含有重合体の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20060110617A1 (en) | 2006-05-25 |
| US7781062B2 (en) | 2010-08-24 |
| US20100273019A1 (en) | 2010-10-28 |
| EP1582538A4 (en) | 2008-04-09 |
| EP1582538B1 (en) | 2010-05-05 |
| EP1582538A1 (en) | 2005-10-05 |
| US8137803B2 (en) | 2012-03-20 |
| DE60332491D1 (de) | 2010-06-17 |
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