WO2018110666A1 - 組成物 - Google Patents
組成物 Download PDFInfo
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- WO2018110666A1 WO2018110666A1 PCT/JP2017/044969 JP2017044969W WO2018110666A1 WO 2018110666 A1 WO2018110666 A1 WO 2018110666A1 JP 2017044969 W JP2017044969 W JP 2017044969W WO 2018110666 A1 WO2018110666 A1 WO 2018110666A1
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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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/043—Improving the adhesiveness of the coatings per se, e.g. forming primers
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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
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
- C08F290/04—Polymers provided for in subclasses C08C or C08F
- C08F290/048—Polymers of monomers having two or more carbon-to-carbon double bonds as defined in group C08F36/00
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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
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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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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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
- C08F2/00—Processes of polymerisation
- C08F2/44—Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
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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
- C08F2/00—Processes of polymerisation
- C08F2/46—Polymerisation initiated by wave energy or particle radiation
- C08F2/48—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
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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
- C08F220/00—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 a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/26—Esters containing oxygen in addition to the carboxy oxygen
- C08F220/30—Esters containing oxygen in addition to the carboxy oxygen containing aromatic rings in the alcohol moiety
- C08F220/301—Esters containing oxygen in addition to the carboxy oxygen containing aromatic rings in the alcohol moiety and one oxygen in the alcohol moiety
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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
- C08F279/00—Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group C08F36/00
- C08F279/02—Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group C08F36/00 on to polymers of conjugated dienes
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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
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
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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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/046—Forming abrasion-resistant coatings; Forming surface-hardening coatings
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
- C08K3/014—Stabilisers against oxidation, heat, light or ozone
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/06—Sulfur
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/005—Stabilisers against oxidation, heat, light, ozone
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/37—Thiols
- C08K5/375—Thiols containing six-membered aromatic rings
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J109/00—Adhesives based on homopolymers or copolymers of conjugated diene hydrocarbons
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J115/00—Adhesives based on rubber derivatives
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
Definitions
- the present invention relates to a composition.
- Lenses for optical instruments such as optical microscopes, optical cameras, projectors, etc. are configured by combining a plurality of concave lenses and convex lenses.
- touch panels In touch panels (resistive film type, capacitance type, electromagnetic induction type, optical type, etc.) mounted on a display body such as an LCD (liquid crystal display) or the like, a decorative plate or touch that improves visual design on the surface An icon sheet that specifies the position to perform may be pasted together.
- the capacitive touch panel has a structure in which a transparent electrode is formed on a transparent substrate and a transparent plate is bonded thereon.
- a transparent adhesive is used for bonding such optical lenses, bonding a decorative plate and a touch panel, bonding an icon sheet and a touch panel, and bonding a transparent substrate and a transparent plate.
- Patent Document 1 discloses (A) a (meth) acrylate oligomer having a polyisoprene, polybutadiene or polyurethane as a skeleton, (B) a softening component, and (C1) phenoxyethyl (meth) acrylate, phenoxypolyethylene glycol (meth) acrylate, (Meth) selected from 2-hydroxy-3-phenoxypropyl (meth) acrylate, cyclohexyl (meth) acrylate, nonylphenol EO adduct (meth) acrylate, methoxytriethylene glycol (meth) acrylate and tetrahydrofurfuryl (meth) acrylate
- a photocurable resin composition containing an acrylate monomer is described.
- An adhesive that bonds lenses of optical instruments such as an optical microscope, an optical camera, and a projector is required to be transparent, have a low cure shrinkage rate, and be free from peeling of the adhesive (also referred to as sharpness).
- the glass of display bodies such as LCDs has become thinner.
- the LCD is easily deformed by external stress.
- an optical functional material such as an acrylic plate or a polycarbonate plate
- the difference in linear expansion between the glass and acrylic or the plastic molding material such as an acrylic plate or polycarbonate Due to strain at the time of molding, mold strain is relaxed and moisture absorption / drying occurs in heat resistance tests and moisture resistance tests, and surface accuracy changes such as dimensional changes and warpage occur.
- Patent Document 2 describes a cured resin containing urethane (meth) acrylate, polybutadiene (meth) acrylate, and isoprene (meth) acrylate as components.
- urethane (meth) acrylate polybutadiene (meth) acrylate
- isoprene (meth) acrylate as components.
- Patent Document 3 As a solution to the problem of Patent Document 2, a UV curable resin as in Patent Document 3 is described. Since Patent Document 3 is a highly elastic resin based on a rigid skeletal monomer such as isobornyl (meth) acrylate, it cannot withstand the expansion and contraction of the adherend in a high temperature reliability test, causing peeling. There was a possibility.
- Patent Document 4 contains at least one oligomer selected from the group consisting of a polyisoprene (meth) acrylate oligomer, a polybutadiene (meth) acrylate oligomer, and a polyurethane (meth) acrylate oligomer, and a hindered amine.
- oligomer selected from the group consisting of a polyisoprene (meth) acrylate oligomer, a polybutadiene (meth) acrylate oligomer, and a polyurethane (meth) acrylate oligomer, and a hindered amine.
- Patent Document 5 describes (A) (meth) acryloyl group having 100 parts by mass of an oligomer having a (ene)-or hydrogenated diene-based skeleton, and (B) exceeding 400 parts by mass. An oligomer having no group and having a diene-based or hydrogenated diene-based skeleton, (C) (meth) acrylate having an aromatic ring exceeding 100 parts by mass, and (D) a photopolymerization initiator.
- the curable resin composition to contain is described.
- composition disclosed in any of the above-mentioned patent documents is also used for optical lens bonding, bonding with a touch panel, bonding an icon sheet and a touch panel, and bonding a transparent substrate and a transparent plate.
- the performance was not suitable, and the cure shrinkage rate of the composition was not small.
- a rigid skeleton monomer such as isobornyl (meth) acrylate is used, it was impossible to withstand the expansion and contraction of the adherend in the high temperature reliability test.
- composition wherein the component (C) is a compound represented by the formula (1).
- skeletons selected from the group consisting of diene-based or hydrogenated diene-based skeletons of component (A), consisting of polybutadiene, polyisoprene, hydrogenated polybutadiene, and hydrogenated polyisoprene
- component (A) consisting of polybutadiene, polyisoprene, hydrogenated polybutadiene, and hydrogenated polyisoprene
- the diene-based or hydrogenated diene-based skeleton of the component (B) is one or more selected from the group consisting of polybutadiene, polyisoprene, a hydrogenated polybutadiene, and a hydrogenated polyisoprene.
- composition further comprising (E) an antioxidant.
- composition wherein the component (E) is an antioxidant having a phenol group and sulfur in the same molecule.
- composition in which the component (E) is a combination of an antioxidant having a phenol group and an antioxidant having sulfur is a combination of an antioxidant having a phenol group and an antioxidant having sulfur.
- composition further comprising (F) a silane coupling agent.
- composition having a cure shrinkage of 2.0% or less.
- the 400 nm transmittance difference between the dam agent and the fill agent is 1% or less, and the refractive index difference is 0.01 or less.
- composition capable of curing a light non-transmissive portion having a width of 1 mm or more by irradiation with ultraviolet rays of 1000 mJ / cm 2 or more.
- a curable resin composition containing the composition ⁇ 14> A curable resin composition containing the composition.
- a composite in which the adherend is at least one selected from the group consisting of triacetylcellulose, fluorine-based polymer, polyester, polycarbonate, polyolefin, glass, and metal.
- a touch panel laminate including an adherend bonded by the adhesive composition.
- a liquid crystal panel laminate including an adherend bonded by the adhesive composition.
- a display including the touch panel laminate is a display including the touch panel laminate.
- a lens laminate including a lens joined by the adhesive composition including a lens joined by the adhesive composition.
- an oligomer having no (meth) acryloyl group and having a diene-based or hydrogenated diene-based skeleton has (A) a (meth) acryloyl group. And by exceeding 700 parts by mass with respect to 100 parts by mass of the oligomer having a diene-based or hydrogenated diene-based skeleton, bonding of an optical lens, bonding with a touch panel, icon sheet and touch panel It has been found that it is suitable for bonding and bonding of a transparent substrate and a transparent plate. The amount used is different from the example of Patent Document 1, and is not described in Patent Document 1.
- Patent Document 4 does not use more than 700 parts by mass of an oligomer having a (B) (meth) acryloyl group and having a diene-based or hydrogenated diene-based skeleton.
- Patent Document 5 does not use more than 700 parts by mass of an oligomer having a (B) (meth) acryloyl group and having a diene-based or hydrogenated diene-based skeleton.
- a composition having a low cure shrinkage rate is provided.
- the said composition can also exhibit suitable performance with respect to bonding of an optical lens, bonding with a touch panel, bonding of an icon sheet and a touch panel, and bonding of a transparent substrate and a transparent board.
- the component (A) is an oligomer having a (meth) acryloyl group and a diene-based or hydrogenated diene-based skeleton.
- the main chain skeleton of the oligomer is a diene-based or hydrogenated diene-based skeleton.
- the diene-based or hydrogenated diene-based skeleton is preferably at least one skeleton selected from the group consisting of polybutadiene, polyisoprene, a hydrogenated polybutadiene, and a hydrogenated polyisoprene.
- at least one selected from the group consisting of polybutadiene and polyisoprene is preferable, and polyisoprene is more preferable in terms of high adhesion durability.
- the oligomer preferably has one or more (meth) acryloyl groups at the terminal or side chain of the main chain skeleton. Among these, those having (meth) acryloyl groups at both ends of the main chain skeleton are preferable.
- the molecular weight of the oligomer is preferably 500 to 70000, more preferably 1000 to 60000, and most preferably 1000 to 55000. If the molecular weight is within this range, the cured product of the present invention has a high hardness, so that it is easy to form an adhesive layer, and the viscosity of the curable resin composition is small, so that the workability in mixing during the manufacturing process and work in practical use Good.
- the molecular weight refers to a number average molecular weight calculated as an average molecular weight per molecule.
- the polystyrene-equivalent number average molecular weight measured by GPC was used. Specifically, the number average molecular weight was determined by preparing a calibration curve with commercially available standard polystyrene using tetrahydrofuran as a solvent and GPC system (SC-8010 manufactured by Tosoh Corporation) under the following conditions.
- the oligomer of component (A) is an esterified oligomer of maleic anhydride adduct of isoprene polymer and 2-hydroxyethyl (meth) acrylate (see the following formula (2) for the structure, “UC-203” manufactured by Kuraray Co., Ltd.) Etc.), Nippon Soda Co., Ltd. “TEAI-1000” (terminal acrylic modified hydrogenated 1,2-polybutadiene oligomer), Nippon Soda Co., Ltd. “TE-2000” (terminal acrylic modified 1,2-polybutadiene oligomer), etc. Can be mentioned.
- an esterified oligomer of a maleic anhydride adduct of isoprene polymer and 2-hydroxyethyl (meth) acrylate is preferable.
- Y includes a linear or branched alkylene group.
- Y is preferably a linear alkylene group.
- an alkylene group having 1 to 8 carbon atoms is preferable, an alkylene group having 2 to 3 carbon atoms is more preferable, and an ethylene group having 2 carbon atoms is most preferable.
- Y is preferably an unsubstituted hydrocarbon group.
- the number of (meth) acryloyl groups is preferably 1-10.
- the component (B) is an oligomer that does not have a (meth) acryloyl group and has a diene-based or hydrogenated diene-based skeleton.
- the main chain skeleton of the oligomer is a diene-based or hydrogenated diene-based skeleton.
- the diene-based or hydrogenated diene-based skeleton is preferably at least one skeleton selected from the group consisting of polybutadiene, polyisoprene, a hydrogenated polybutadiene, and a hydrogenated polyisoprene.
- at least one selected from the group consisting of polybutadiene and polyisoprene is preferable, and polybutadiene is more preferable in terms of high adhesion durability.
- the molecular weight of the oligomer is preferably 500 to 70000, more preferably 1000 to 60000, and most preferably 1000 to 55000. If the molecular weight is within this range, the hardness of the cured product is high, so it is easy to form an adhesive layer, and the viscosity of the curable resin composition is small, so the workability in mixing during the manufacturing process and the workability in practical applications are good. become.
- the molecular weight refers to a number average molecular weight calculated as an average molecular weight per molecule. Details of the measurement method and the like are the same as in the case of the oligomer of component (A).
- the component (B) oligomer As the component (B) oligomer, Kuraray “LIR-50” (isoprene oligomer), Kuraray “LBR-307” “LBR-305” (polybutadiene oligomer), Toyobo “Byron” (amorphous) Polyester resin), “Ricon-130” manufactured by Clay Valley, and the like.
- 1 or more types chosen from the group which consists of an isoprene oligomer and a polybutadiene oligomer are preferable, and a polybutadiene oligomer is more preferable.
- the polybutadiene oligomer is more preferably at least one selected from the group consisting of 1,2-polybutadiene oligomer and 1,4-polybutadiene oligomer.
- (C) component is phenoxyalkylene glycol (meth) acrylate.
- the phenoxy group of the phenoxyalkylene glycol (meth) acrylate may be an alkylphenoxy group.
- a phenoxyalkylene glycol (meth) acrylate represented by the following formula (1) is preferable.
- R 2 examples include a linear or branched alkylene group.
- R 2 is preferably a linear alkylene group.
- R 2 an alkylene group having 1 to 8 carbon atoms is preferable, an alkylene group having 2 to 3 carbon atoms is more preferable, and an ethylene group having 2 carbon atoms is most preferable.
- R 3 is preferably an alkyl group. When R 3 is an alkyl group, an alkyl group having 1 or more carbon atoms is preferable, an alkyl group having 3 or more carbon atoms is more preferable, and an alkyl group having 4 or more carbon atoms is most preferable.
- R 3 is an alkyl group
- an alkyl group having 12 or less carbon atoms is preferable
- an alkyl group having 10 or less carbon atoms is more preferable
- an alkyl group having 9 carbon atoms is most preferable.
- n is an arbitrary positive integer, and an integer of 1 to 30 is preferable.
- n is preferably 1 or more, more preferably 2 or more, most preferably 3 or more, and still more preferably 4 or more.
- n is preferably 20 or less, more preferably 10 or less, most preferably 8 or less, and still more preferably 4.
- R 1 , R 2 and R 3 are preferably unsubstituted hydrocarbon groups.
- the component (C) is preferably phenoxypolyethylene glycol (meth) acrylate having an EO (ethylene oxide) chain — (CH 2 CH 2 O) n —.
- phenoxypolyethylene glycol (meth) acrylates nonylphenoxypolyethylene glycol (meth) acrylate is preferable.
- One or more of these (meth) acrylates can be used.
- a component is a photoinitiator.
- a photoinitiator 1 or more types in the group which consists of an alkylphenone type photoinitiator and an acyl phosphine oxide type photoinitiator is preferable.
- Alkylphenone photopolymerization initiators include 1-hydroxycyclohexyl phenyl ketone, 2-hydroxy-2-methyl-1-phenyl-propan-1-one, 2,2-dimethoxy-1,2-diphenylethane-1- ON, 1- [4- (2-hydroxyethoxy) -phenyl] -2-hydroxy-2-methyl-1-propan-1-one, 2-hydroxy-1- ⁇ 4- [4- (2-hydroxy- 2-methyl-propionyl) -benzyl] phenyl ⁇ -2-methyl-propan-1-one and the like.
- acylphosphine oxide photoinitiator examples include 2,4,6-trimethylbenzoyl-diphenyl-phosphine oxide, bis (2,4,6-trimethylbenzoyl) -phenylphosphine oxide, and the like. One or more of these can be used.
- (E) component is an antioxidant.
- phenol-based / sulfur-based antioxidants are preferable in that coloring and discoloration after the heat resistance test do not occur and strength reduction after the moisture resistance test does not occur.
- a phenolic / sulfur antioxidant is an antioxidant having a phenol group and sulfur. Examples of the phenol / sulfur antioxidant include an antioxidant having a phenol group and sulfur in the same molecule.
- an antioxidant having a phenol group hereinafter sometimes referred to as a phenol antioxidant
- an antioxidant having sulfur hereinafter also referred to as a sulfur antioxidant. The thing using together is also mentioned.
- Antioxidants having a phenol group and sulfur in the same molecule include 4,6-bis (octylthiomethyl) -O-cresol, 4,6-bis (dodecylthiomethyl) -O-cresol, 4,6- Bis (alkylthiomethyl) -O-cresol, 2,6-di-t-butyl-4- (4,6-bis (octylthio) -1,3,5-triazin-2-ylamino) phenol, dioctadecyl 3, 3'-thiodipropionate, didodecyl 3,3'-thiodipropionate and the like.
- the phenolic antioxidant is not particularly limited as long as it is an antioxidant having a phenol group in the molecule, and the following formula (3) An antioxidant having the following structure is preferred.
- R 5 is preferably a skeleton having an antioxidant function.
- the skeleton having an antioxidant function include a skeleton having a hydrocarbon group, a skeleton having a carbonyl group, a skeleton having a ketone group, and a skeleton having an ether group. Of these, alkylpropionate groups are preferred.
- the sulfur-based antioxidant is not particularly limited as long as it is an antioxidant having sulfur in the molecule, and the following formula (4) An antioxidant having the following structure is preferred.
- R 6 and R 7 are preferably a skeleton having an antioxidant function.
- the skeleton having an antioxidant function include a skeleton having a hydrocarbon group, a skeleton having a carbonyl group, a skeleton having a ketone group, and a skeleton having an ether group. Of these, alkylpropionate groups are preferred.
- Sulfur-based antioxidants include didodecyl 3,3'-thiodipropionate, dilauryl 3,3'-thiodipropionate, ditetradecyl 3,3'-thiodipropionate, distearyl 3,3'-thiodipro Examples include pionate and dioctyl 3,3′-thiodipropionate.
- Silane coupling agents include alkoxysilane, ⁇ -chloropropyltrimethoxysilane, vinyltrimethoxysilane, vinyltrichlorosilane, vinyltriethoxysilane, vinyltris ( ⁇ -methoxyethoxy) silane, ⁇ - (meth) acryloxy Propyltrimethoxysilane, ⁇ - (3,4-epoxycyclohexyl) ethyltrimethoxysilane, ⁇ -glycidoxypropyltrimethoxysilane, ⁇ -mercaptopropyltrimethoxysilane, ⁇ -aminopropyltriethoxysilane, N- ⁇ - (Aminoethyl) - ⁇ -aminopropyltrimethoxysilane, N- ⁇ - (aminoethyl) - ⁇ -aminopropyltrimethoxysilane, N- ⁇ - (aminoethyl) - ⁇
- At least one member selected from the group consisting of alkoxysilane, ⁇ -glycidoxypropyltrimethoxysilane, and ⁇ - (meth) acryloxypropyltrimethoxysilane is preferable from the viewpoint of adhesion to glass or the like.
- Alkoxysilane is more preferable.
- decyltrimethoxysilane is preferred.
- the composition according to the embodiment of the present invention contains the components (A) to (D), so that the curing shrinkage rate is reduced.
- the composition exhibits a cure shrinkage of 2.0% or less.
- Curing shrinkage is calculated by the volume specific gravity method. Due to the small curing shrinkage rate, for example, when optical lenses are bonded together, or when a decorative plate or icon sheet used for a display body such as a touch panel is bonded, peeling due to external factors such as stress, heat, humidity, etc. It becomes possible to suppress.
- the composition can be cured with light or ultraviolet light by containing the components (A) to (D).
- the composition contains the components (A) to (D), so that, for example, when optical lenses are bonded together, or when a decorative plate or icon sheet used for a display body such as a touch panel is bonded.
- a portion that is not directly exposed to light such as ultraviolet rays (such as a printed ground portion) can be cured.
- the printed undercoat portion can be cured by 1 mm or more in width by ultraviolet rays of 1000 mJ / cm 2 or more.
- the printed undercoat portion can be cured by 1 mm or more in width by ultraviolet rays of 4000 mJ / cm 2 or less.
- the amount of the component (B) used is preferably set to the following values in that the adhesion of the composition to the adherend is particularly high and the curability is good.
- the amount of component (B) used is preferably more than 700 parts by weight, more preferably 701 parts by weight or more, and most preferably 800 parts by weight or more with respect to 100 parts by weight of component (A).
- the amount of component (B) used is preferably 1100 parts by mass or less, more preferably 1000 parts by mass or less, and most preferably 900 parts by mass or less with respect to 100 parts by mass of component (A).
- Component (C) is used in an amount of 90 to 500 masses with respect to 100 parts by mass of component (A) in that the adhesion of the composition to the adherend is particularly high and the curability is good. Part is preferable, 91 to 400 parts by weight is more preferable, and 95 to 350 parts by weight is most preferable.
- the content of the component (C) is preferably 10 to 45 parts by mass, more preferably 11 to 40 parts by mass, most preferably 15 to 35 parts by mass, and still more preferably 20 to 32 parts by mass in 100 parts by mass of the composition. .
- the amount of the component (D) used is preferably set to the following values in that the adhesion of the composition to the adherend is particularly high and the curability is good.
- the amount of component (D) used is preferably 0.01 parts by mass or more, more preferably 0.1 parts by mass or more, most preferably 1 part by mass or more, relative to 100 parts by mass of component (A), and 5 parts by mass.
- the above is more preferable, 10 parts by mass or more is more preferable, it is more preferable to exceed 10 parts by mass, and 15 parts by mass or more is particularly preferable.
- the usage-amount of a component has preferable 30 mass parts or less with respect to 100 mass parts of (A) component, and its 25 mass parts or less are more preferable.
- the amount of the component (E) used is preferably set to the following values in terms of small coloring and discoloration due to heat of the curable resin composition and small decrease in strength after the moisture resistance test.
- the usage-amount of a component is 0.01 mass part or more with respect to 100 mass parts of (A) component, 0.1 mass part or more is more preferable, 1 mass part or more is the most preferable, 5 mass parts The above is more preferable, 10 parts by mass or more is more preferable, 10 parts by mass or more is still more preferable, 15 parts by mass or more is particularly preferable, and 20 parts by mass or more is more preferable.
- the amount of component (E) used is preferably 45 parts by mass or less, more preferably 40 parts by mass or less, and most preferably 30 parts by mass or less with respect to 100 parts by mass of component (A).
- the amount of the component (F) used is preferably 1 to 20 parts by mass, more preferably 5 to 15 parts by mass with respect to 100 parts by mass of the component (A).
- the total use amount of the components (A) to (C) is preferably 80 parts by mass or more, more preferably 85 parts by mass or more, and most preferably 90 parts by mass or more in 100 parts by mass of the composition.
- the total use amount of the components (A) to (C) is preferably 99 parts by mass or less, more preferably 98 parts by mass or less, and most preferably 97 parts by mass or less in 100 parts by mass of the composition.
- composition which concerns on embodiment of this invention can contain (meth) acrylates other than (A) component and other than (C) component for the purpose of improving further the adhesiveness with respect to each to-be-adhered body further. .
- elastomers various paraffins, plasticizers, fillers, colorants, rust inhibitors and the like can be used as desired.
- This composition can be used as a curable resin composition.
- the composition can be used as an adhesive composition.
- a composite can be produced by bonding or covering an adherend with a cured body of an adhesive composition.
- the various materials of the adherend are preferably at least one selected from the group consisting of polyesters such as polyethylene terephthalate, polyolefins such as cycloolefin polymers, triacetyl cellulose, fluoropolymers, polycarbonates, glasses, and metals. And at least one selected from the group consisting of glass is more preferred.
- a dam agent means the adhesive composition which adhere
- the present composition can also serve as a filling agent that fills the surface of the adherend.
- a fill agent means the adhesive composition which adhere
- the composition can be used as a dam agent and a fill agent.
- this composition When using this composition as a dam agent and a fill agent, for example, a step of applying a dam agent in a frame shape around the adherend, and a fill agent is applied in the frame of the applied dam agent.
- a dam agent and a fill agent By adhering the adherends to each other via a dam agent and a fill agent and irradiating light to cure the dam agent and the fill agent, Can be pasted together.
- the cured body bonded with the curable resin composition according to the embodiment of the present invention can be reworked (reused) after being completely cured.
- the rework method is not particularly limited, but the adherends are disassembled by applying a load of 0.01 to 100 N between the one or two kinds of adherends bonded together, and the adherend after disassembly The body can be reused.
- Example 1 A curable resin composition having the composition shown in Table 1 was prepared and evaluated. The results are shown in Table 1.
- Example 2 A curable resin composition having the composition shown in Table 2 was prepared and evaluated. The results are shown in Table 2.
- the following compounds were selected as the (A) component oligomer having a (meth) acryloyl group and a diene-based or hydrogenated diene-based skeleton.
- A-1 1,2-polybutadiene oligomer (“TE-2000” manufactured by Nippon Soda Co., Ltd., see the following formula (5) for the structure) (number average molecular weight 2000 in terms of polystyrene by GPC) Formula (5) (In formula (5), n is a positive integer.)
- the following compound was selected as an oligomer having no (meth) acryloyl group and having a diene-based or hydrogenated diene-based skeleton.
- B-1 Isoprene oligomer (“LIR-30” manufactured by Kuraray Co., Ltd.) (Number average molecular weight 28000 in terms of polystyrene by GPC)
- B-2 Butadiene oligomer (“LBR-307” manufactured by Kuraray Co., Ltd.) (number average molecular weight 8000 in terms of polystyrene by GPC)
- B-3 Butadiene oligomer (“LBR-305” manufactured by Kuraray Co., Ltd.) (number average molecular weight 30000 in terms of polystyrene by GPC)
- B-4 Butadiene oligomer (“Ricon-130” manufactured by Clay Valley) (number average molecular weight 2500 in terms of polystyrene by GPC)
- the following compounds were selected as the phenoxyalkylene glycol (meth) acrylate as the component (C).
- component (D) 1-hydroxycyclohexyl phenyl ketone (“Irgacure 184” manufactured by Ciba Specialty Chemicals)
- D-2) 2,4,6-Trimethylbenzoyl-diphenyl-phosphine oxide (“Darocur TPO” manufactured by Ciba Specialty Chemicals)
- the following compounds were selected as the phenol / sulfur antioxidant of component (E).
- the following compounds were selected as antioxidants having a phenol group and sulfur in the same molecule.
- (E-1) 4,6-bis (dodecylthiomethyl) -O-cresol (“Irganox 1726” manufactured by BASF)
- the following compounds were selected as phenolic antioxidants.
- (E-2) Benzenepropanoic acid, 3,5-bis (1,1-dimethylethyl) -4-hydroxy-, C7-C9 side chain alkyl ester (“Irganox 1135” manufactured by BASF)
- the following compounds were selected as sulfur-based antioxidants.
- Tempax (registered trademark) glass (width 25 mm ⁇ length 25 mm ⁇ thickness 2.0 mm) was joined to Teflon (thickness 80 ⁇ m ⁇ width 12.5 mm ⁇ length 25 mm).
- Teflon (Registered Trademark) Tape was used as a spacer, and a curable resin composition was used as an adhesive composition so that the bonding area was 3 cm 2 . Thereafter, using a curing device manufactured by Fusion Corporation using an electrodeless discharge lamp, UV light having a wavelength of 365 nm was irradiated and cured under the condition of an integrated light quantity of 2000 mJ / cm 2 .
- the adhesive composition “G-55” manufactured by Denka Co., Ltd. was used on both sides of the test piece to bond a galvanized steel sheet (width 100 mm ⁇ length 25 mm ⁇ thickness 2.0 mm, manufactured by Engineering Test Service). It was. After the curing, using the test piece bonded with the adhesive composition, the galvanized steel sheet was chucked, and the initial tensile shear bond strength was measured.
- the tensile shear bond strength (unit: MPa) was measured using a tensile tester in an environment of a temperature of 23 ° C. and a humidity of 50% at a tensile speed of 10 mm / min.
- PET Polyethylene terephthalate
- peeling adhesive strength Biaxially stretched PET film (Lumirror T60, average thickness 190 ⁇ m, manufactured by Toray Industries, Inc.) test piece (width 50 mm ⁇ length 10 mm ⁇ thickness 0.05 mm) )
- a curable resin composition as an adhesive composition, with an adhesive layer thickness of 30 ⁇ m and an adhesive area of 40 mm long ⁇ 10 mm wide.
- the light irradiation conditions followed the method described in [Glass Adhesion Evaluation].
- the peel adhesion strength (unit: N / cm) was measured using a tensile tester at a temperature of 23 ° C. and a humidity of 50% at a tensile speed of 50 mm / min.
- the light irradiation conditions followed the method described in [Glass Adhesion Evaluation].
- the peel adhesion strength (unit: N / cm) was measured using a tensile tester at a temperature of 23 ° C. and a humidity of 50% at a tensile speed of 50 mm / min.
- Triacetylcellulose (TAC) film (average thickness 40 ⁇ m, manufactured by Fuji Film) test pieces (width 50 mm ⁇ length 10 mm ⁇ thickness 0.04 mm)
- the curable resin composition was used as an adhesive composition, and the adhesive layer had a thickness of 10 ⁇ m and an adhesive area of 40 mm long ⁇ 10 mm wide.
- the portions where the films are in close contact are peeled off, and the initial 180 ° peeling is performed. The bond strength was measured.
- the light irradiation conditions followed the method described in [Glass Adhesion Evaluation].
- the peel adhesion strength (unit: N / cm) was measured using a tensile tester at a temperature of 23 ° C. and a humidity of 50% at a tensile speed of 50 mm / min.
- PVDF Polyvinylidene fluoride
- DX film Denka's “DX film”
- a curable resin composition as an adhesive composition, with an adhesive layer thickness of 10 ⁇ m and an adhesive area of 40 mm long ⁇ 10 mm wide. After curing by light irradiation, by pulling the two end portions of the film that are not in close contact with the test piece bonded with the adhesive composition, the portions where the films are in close contact are peeled off, and the initial 180 ° peeling is performed.
- the bond strength was measured.
- the light irradiation conditions followed the method described in [Glass Adhesion Evaluation].
- the peel adhesion strength (unit: N / cm) was measured using a tensile tester at a temperature of 23 ° C. and a humidity of 50% at a tensile speed of 50 mm / min.
- test piece bonded with the adhesive composition was exposed to an environment of a temperature of 60 ° C. and a relative humidity of 95% for 1000 hours using a constant temperature and humidity chamber. After the exposure, a haze meter (manufactured by Suga Test Instruments Co., Ltd.) was used to measure the transmittance (transmittance after 1000 hours at 60 ° C.) in accordance with JIS K7361: 1997.
- the dam agent and the fill agent were cured by light irradiation.
- the light irradiation conditions followed the method described in [Glass Adhesion Evaluation].
- the presence / absence of a boundary under a fluorescent lamp was visually determined using a portion where the line of the dam agent and the fill agent intersect. The case where there was no boundary was marked with ⁇ , and the case where there was a boundary was marked with ⁇ .
- the curable resin composition (dam agent) shown in Table 3 was used as the adhesive composition.
- the coating layer was applied in a frame shape with a coating layer thickness of 200 ⁇ m and a coating area of 10.0 mm 2 . Subsequently, it applied in the frame of a dam agent, using the curable resin composition (fill agent) shown in Table 3 as an adhesive composition. Specifically, the coating was applied with a coating layer thickness of 200 ⁇ m and a coating area of 1.0 cm 2 .
- Tempax Another glass of Tempax (registered trademark) was bonded to the glass coated with the dam agent and the fill agent, adhered, and cured by light irradiation.
- the light irradiation conditions followed the method described in [Glass Adhesion Evaluation].
- the test piece bonded with the adhesive composition was 400 nm in two thickness directions (50 ⁇ m position, 150 ⁇ m position) using an instantaneous multi-photometry system (“Instant multi-photometry system” manufactured by Otsuka Electronics Co., Ltd.).
- the transmittance was measured.
- the difference between the transmittances at the two points was defined as the transmittance difference.
- Tempax (registered trademark) glass width 25 mm ⁇ length 25 mm ⁇ thickness 2 mm
- the coating layer was applied in a frame shape with a coating layer thickness of 200 ⁇ m and a coating area of 10.0 mm 2 . Subsequently, it applied in the frame of a dam agent, using the curable resin composition (fill agent) shown in Table 3 as an adhesive composition. Specifically, the coating was applied with a coating layer thickness of 200 ⁇ m and a coating area of 1.0 cm 2 .
- Tempax Another glass of Tempax (registered trademark) was bonded to the glass coated with the dam agent and the fill agent, adhered, and cured by light irradiation.
- the light irradiation conditions followed the method described in [Glass Adhesion Evaluation].
- the test piece bonded with the adhesive composition is refracted in two thickness directions (50 ⁇ m position, 150 ⁇ m position) using a Karnew precision refractometer (“KPR-2000” manufactured by Shimadzu Device Manufacturing Co., Ltd.). The rate was measured. The difference in refractive index between the two points was taken as the refractive index difference.
- the composition according to the embodiment of the present invention has a low curing shrinkage rate. Since the present composition has a high curability of the light non-transmitting portion, it can cure a portion that is not directly exposed to light. The composition has a small decrease in strength after the heat and humidity test (Tables 1 and 2).
- the curable resin composition corresponding to the comparative example does not have the effects of the present invention as described above.
- the comparative example has a large curing shrinkage ratio, a small curability of the light non-transmitting portion, and a large strength decrease after the wet heat resistance test.
- the present composition can produce an effect without using a monomer having a rigid skeleton such as isobornyl (meth) acrylate.
- the present invention for example, it is possible to provide a composition in which coloring and discoloration due to heat are reduced while maintaining flexibility, and strength reduction after a wet heat resistance test is reduced.
- an optical display or a touch sensor can be provided.
- This composition can be used as a dam agent or a fill agent.
- the light non-transmissive portion can be cured.
- This composition can be used as an adhesive composition for optical lens laminates, touch panel laminates, and liquid crystal panel laminates.
- the optical lens laminate according to the embodiment of the present invention can be used as an optical apparatus such as an optical microscope, a camera, or a projector.
- the touch panel laminated body and liquid crystal panel laminated body which concern on embodiment of this invention can be used as a display.
- the composition which concerns on embodiment of this invention can improve sclerosis
- the curing shrinkage rate is low and the adhesive is not peeled off (also referred to as sharpness).
- a curable resin composition to be solved can be provided.
- a decorative plate or icon sheet used for a display body such as a touch panel
- a transparent substrate and a transparent plate are bonded
- a printing process is performed.
- Sufficient adhesiveness can be imparted when pasting together.
- the adhesive surface is not peeled off and the glass of the display body is not broken.
- the composition does not change color after a heat resistance test or a moisture resistance test. This composition does not decrease in strength after a heat resistance test or a moisture resistance test.
- the present composition can cure, for example, a portion that is not directly exposed to light such as ultraviolet rays (for example, a printed ground portion).
- the present composition can also play a role as a dam agent for preventing the composition from protruding.
- the lens laminate bonded with the composition can be used as an optical device such as an optical microscope, an optical camera, or a projector.
- the composition can be used as an adhesive for lenses.
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Abstract
Description
<1>下記(A)~(D)を含有する組成物。
(A)(メタ)アクリロイル基を有し、かつ、ジエン系又は水素添加されたジエン系の骨格を有するオリゴマー100質量部
(B)(メタ)アクリロイル基を有さず、かつ、ジエン系又は水素添加されたジエン系の骨格を有するオリゴマーが700質量部を超える量
(C)フェノキシアルキレングリコール(メタ)アクリレート
(D)光重合開始剤
設定温度:40℃
カラム構成:東ソー社製「TSKguardcolumn MP(×L)」6.0mmID×4.0cm1本、及び東ソー社製「TSK-GELMULTIPOREHXL-M」
7.8mmID×30.0cm(理論段数16,000段)2本、計3本(全体として理論段数32,000段)
サンプル注入量:100μl(試料液濃度1mg/ml)
送液圧力:39kg/cm2
検出器:RI検出器
R6-S-R7
(式(4)中、R6、R7は任意の置換基を示す。)
表1に示す組成の硬化性樹脂組成物を調製し、評価した。結果を表1に示した。
表2に示す組成の硬化性樹脂組成物を調製し、評価した。結果を表2に示した。
表3に示す組成の硬化性樹脂組成物をダム剤やフィル剤として使用し、評価した。結果を表3に示した。
(A-1)1,2-ポリブタジエンオリゴマー(日本曹達社製「TE-2000」、構造は下記式(5)参照)(GPCによるポリスチレン換算の数平均分子量2000)
(なお式(5)中、nは正の整数である。)
(A-2)イソプレンオリゴマー(クラレ社製「UC-102」)(GPCによるポリスチレン換算の数平均分子量19000、イソプレン重合物の無水マレイン酸付加物と2-ヒドロキシエチルメタクリレートとのエステル化物オリゴマー、式(2)にてYはエチレン基、R4はメチル基)
(B-1)イソプレンオリゴマー(クラレ社製「LIR-30」)(GPCによるポリスチレン換算の数平均分子量28000)
(B-2)ブタジエンオリゴマー(クラレ社製「LBR-307」)(GPCによるポリスチレン換算の数平均分子量8000)
(B-3)ブタジエンオリゴマー(クラレ社製「LBR-305」)(GPCによるポリスチレン換算の数平均分子量30000)
(B-4)ブタジエンオリゴマー(クレイバレー社製「Ricon-130」)(GPCによるポリスチレン換算の数平均分子量2500)
(C-1)ノニルフェノキシポリエチレングリコール(n=4)アクリレート(東亞合成社製「M-113」) (式(1)にてn=4、R3はノニル基)
(C-2)ノニルフェノキシポリエチレングリコール(n=8)アクリレート(日立化成工業社製「FA-318A」) (式(1)にてn=8、R3はノニル基)
(C-3)ノニルフェノキシポリエチレン(n=1)グリコールアクリレート(東亞合成社製「M-111」) (式(1)にてn=1、R3はノニル基)
(D-1)1-ヒドロキシシクロヘキシルフェニルケトン(チバスペシャリティケミカル社製「Irgacure184」)
(D-2)2,4,6-トリメチルベンゾイル-ジフェニル-フォスフィンオキサイド(チバスペシャリティケミカル社製「DarocurTPO」)
同一分子内にフェノール基及び硫黄を有する酸化防止剤として、以下の化合物を選択した。
(E-1)4,6-ビス(ドデシルチオメチル)-О-クレゾール(BASF社製「Irganox1726」)
フェノール系酸化防止剤として、以下の化合物を選択した。
(E-2)ベンゼンプロパン酸、3,5-ビス(1,1-ジメチルエチル)-4-ヒドロキシ-、C7-C9側鎖アルキルエステル(BASF社製「Irganox1135」)
硫黄系酸化防止剤として、以下の化合物を選択した。
(E-3)ジドデシル3,3’-チオジプロピオネート(BASF社製「IrganoxPS800FD」)
(F-1)γ-メタクリロキシプロピルトリメトキシシラン(信越シリコーン社製「KBM-503」)
(F-2)デシルトリメトキシシラン(信越シリコーン社製「KBM-3103C」)
硬化収縮率=((硬化物比重-液比重)/硬化物比重)×100(%)
(硬化率)=[100-((硬化後の、炭素と炭素の二重結合の吸収スペクトルの強度)/(硬化前の、炭素と炭素の二重結合の吸収スペクトルの強度))]×100(%)
Claims (24)
- 下記(A)~(D)を含有する組成物。
(A)(メタ)アクリロイル基を有し、かつ、ジエン系又は水素添加されたジエン系の骨格を有するオリゴマー100質量部
(B)(メタ)アクリロイル基を有さず、かつ、ジエン系又は水素添加されたジエン系の骨格を有するオリゴマーが700質量部を超える量
(C)フェノキシアルキレングリコール(メタ)アクリレート
(D)光重合開始剤 - (A)成分のジエン系又は水素添加されたジエン系の骨格が、ポリブタジエン、ポリイソプレン、ポリブタジエンの水素添加物、及びポリイソプレンの水素添加物からなる群から選ばれる1種以上の骨格である請求項1又は2に記載の組成物。
- (B)成分のジエン系又は水素添加されたジエン系の骨格が、ポリブタジエン、ポリイソプレン、ポリブタジエンの水素添加物、及びポリイソプレンの水素添加物からなる群から選ばれる1種以上の骨格である請求項1~3のうちのいずれか1項に記載の組成物。
- (A)成分の分子量が500~70000である請求項1~4のうちのいずれか1項に記載の組成物。
- (B)成分の分子量が500~70000である請求項1~5のうちのいずれか1項に記載の組成物。
- 更に、(E)酸化防止剤を含有する請求項1~6のうちのいずれか1項に記載の組成物。
- (E)成分が、同一分子内にフェノール基と硫黄を有する酸化防止剤である請求項7に記載の組成物。
- (E)成分が、フェノール基を有する酸化防止剤と硫黄を有する酸化防止剤を併用する請求項7に記載の組成物。
- 更に、(F)シランカップリング剤を含有する請求項1~9のうちのいずれか1項に記載の組成物。
- 硬化収縮率が2.0%以下である請求項1~10のうちのいずれか1項に記載の組成物。
- 組成物をダム剤とフィル剤として使用する場合、ダム剤とフィル剤の400nm透過率差が1%以下、屈折率差が0.01以下である請求項1~11のうちのいずれか1項に記載の組成物。
- 1000mJ/cm2以上の紫外線照射により、幅1mm以上の光非透過部を硬化できる請求項1~12に記載の組成物。
- 請求項1~13のうちのいずれか1項に記載の組成物を含有する硬化性樹脂組成物。
- 請求項1~14のうちのいずれか1項に記載の組成物を含有する接着剤組成物。
- 用途がレンズ用接着剤である請求項15に記載の接着剤組成物。
- 請求項15又は16に記載の接着剤組成物の硬化体。
- 請求項17に記載の硬化体により被覆又は接合された被着体を含む複合体。
- 請求項18に記載の被着体がトリアセチルセルロース、フッ素系ポリマー、ポリエステル、ポリカーボネート、ポリオレフィン、ガラス、金属からなる群から選ばれる1種以上である複合体。
- 請求項15又は16に記載の接着剤組成物により接合された被着体を含むタッチパネル積層体。
- 請求項15又は16に記載の接着剤組成物により接合された被着体を含む液晶パネル積層体。
- 請求項20に記載のタッチパネル積層体を含むディスプレイ。
- 請求項21に記載の液晶パネル積層体を含むディスプレイ。
- 請求項15又は16に記載の接着剤組成物により接合されたレンズを含むレンズ積層体。
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| JP2018556748A JP7105198B2 (ja) | 2016-12-14 | 2017-12-14 | 組成物 |
| KR1020197019254A KR20190092486A (ko) | 2016-12-14 | 2017-12-14 | 조성물 |
| CN201780076912.9A CN110088159A (zh) | 2016-12-14 | 2017-12-14 | 组合物 |
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| JP (1) | JP7105198B2 (ja) |
| KR (1) | KR20190092486A (ja) |
| CN (1) | CN110088159A (ja) |
| WO (1) | WO2018110666A1 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022000508A (ja) * | 2017-02-28 | 2022-01-04 | デクセリアルズ株式会社 | 光硬化性樹脂組成物 |
| WO2023026956A1 (ja) * | 2021-08-26 | 2023-03-02 | デクセリアルズ株式会社 | 光硬化性材料及び画像表示装置 |
| WO2025205929A1 (ja) * | 2024-03-28 | 2025-10-02 | 古河電気工業株式会社 | フィルム状接着剤、その硬化フィルムを具備する積層レンズ、フィルム状接着剤用のドープ |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP7099355B2 (ja) * | 2019-02-18 | 2022-07-12 | 信越化学工業株式会社 | 熱硬化性シリコーン組成物およびその硬化物 |
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- 2017-12-14 JP JP2018556748A patent/JP7105198B2/ja active Active
- 2017-12-14 KR KR1020197019254A patent/KR20190092486A/ko not_active Ceased
- 2017-12-14 CN CN201780076912.9A patent/CN110088159A/zh active Pending
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Also Published As
| Publication number | Publication date |
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| KR20190092486A (ko) | 2019-08-07 |
| JPWO2018110666A1 (ja) | 2019-10-24 |
| JP7105198B2 (ja) | 2022-07-22 |
| CN110088159A (zh) | 2019-08-02 |
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