WO2013180512A1 - 하드코팅 조성물 - Google Patents
하드코팅 조성물 Download PDFInfo
- Publication number
- WO2013180512A1 WO2013180512A1 PCT/KR2013/004809 KR2013004809W WO2013180512A1 WO 2013180512 A1 WO2013180512 A1 WO 2013180512A1 KR 2013004809 W KR2013004809 W KR 2013004809W WO 2013180512 A1 WO2013180512 A1 WO 2013180512A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hard coating
- coating composition
- fine particles
- inorganic fine
- binder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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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
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
- B05D3/061—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation using U.V.
- B05D3/065—After-treatment
- B05D3/067—Curing or cross-linking the coating
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F222/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
- C08F222/10—Esters
- C08F222/1006—Esters of polyhydric alcohols or polyhydric phenols
- C08F222/103—Esters of polyhydric alcohols or polyhydric phenols of trialcohols, e.g. trimethylolpropane tri(meth)acrylate
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- C08J5/18—Manufacture of films or sheets
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- C08J7/04—Coating
- C08J7/042—Coating with two or more layers, where at least one layer of a composition contains a polymer binder
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- C—CHEMISTRY; METALLURGY
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- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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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
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- C—CHEMISTRY; METALLURGY
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- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
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- 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
Definitions
- the present invention relates to a hard coating composition. More specifically, the present invention relates to a hard coating composition capable of forming a hard coating film exhibiting high hardness and excellent properties.
- Glass or tempered glass is generally used as a material having excellent mechanical properties in the display window or the front plate of the mobile device.
- the glass causes the mobile device to become heavier due to its own weight and there is a problem of breakage due to the outer layer.
- Plastic resin is being researched as a substitute material for glass.
- Plastic resin compositions are suitable for the trend toward a lighter mobile device because they are lightweight and less prone to breakage.
- compositions have been proposed for coating a hard coat layer on a support substrate to achieve compositions having high hardness and wear resistance properties.
- a method of increasing the thickness of the hard coating layer may be considered.
- the thickness of the hard coating layer In order to secure the surface hardness to replace the glass it is necessary to implement the thickness of the hard coating layer.
- the thickness of the hard coating bumps increased, the surface hardness increased. Although it can be increased, it is not easy to apply practically because the shrinkage or curl of the hard coat layer is increased, and cracks or peeling of the hard coat layer are likely to occur.
- Korean Unexamined Patent Publication No. 2010-0041992 discloses a hard coating composition using a binder resin including a monomer and excluding an ultraviolet curable polyurethane acrylate oligomer.
- the hard coating composition disclosed above is not strong enough to replace the glass panel of the display with a pencil hardness of about 3H.
- the present invention provides a hard coating composition capable of forming a hard coating film exhibiting high hardness but no curling, warping or cracking.
- It provides a hard coating composition
- a hard coating composition comprising an organic solvent, the weight ratio of the solid content: the organic solvent to 70:30 to 99: 1 with respect to the solid content containing the monomer for the binder, the inorganic fine particles and the photoinitiator.
- Solvent-free hard coating composition comprising a photoinitiator to provide.
- hard coating composition of the present invention hard coating that exhibits high hardness, scratch resistance, high transparency, and has excellent curling properties and less curl or stack, which can be usefully applied to mobile devices, display devices, front tubes of various instrument panels, display parts, and the like. It can be used to make a film.
- the weight ratio of the said solid content: the said organic solvent is 70: 30-99: 1 with respect to the solid content containing an organic solvent and containing the said monomer for binder, the said inorganic fine particle, and the said photoinitiator.
- first and second are used to describe various components, and the terms are used only for the purpose of distinguishing one component from another component.
- first and second are used to describe various components, and the terms are used only for the purpose of distinguishing one component from other components.
- each component is "on" of each component Or “When referred to as being formed above, it means that each component is directly formed on each component, or that other components may be additionally formed between each layer, the object, the substrate.
- a binder monomer comprising a 3 to 6 functional acrylate monomer; Inorganic fine particles; Photoinitiator; And a weight ratio of the solid content: the organic solvent with respect to a solid content including an organic solvent and the binder monomer, the inorganic fine particles, and the photoinitiator, may be 70:30 to 99: 1.
- the acrylate-based means not only acrylate but also methacrylate or a derivative in which a substituent is introduced into acrylate or methacrylate.
- the 3 to 6 functional acrylate monomers include trimethylolpropane triacrylate (TMPTA), trimethyl propane ethoxy triacrylate (TMPEOTA), glycerin propoxylated triacrylate (GPTA) :
- TMPTA trimethylolpropane triacrylate
- TMPEOTA trimethyl propane ethoxy triacrylate
- GPTA glycerin propoxylated triacrylate
- DPHA glycerin propoxylated triacrylate
- the nucleate acrylate (DPHA) etc. are mentioned for a latex (PETA) or dipentaerythrite.
- the 3 to 6 functional acrylate monomers may be used alone or in combination with each other.
- the binder monomer may further include 1 to 2 functional acrylate monomers.
- the 1 to 2 functional acrylate monomers are, for example, hydroxyethyl acrylate (HEA), hydroxyethyl methacrylate (HEMA), nucleic acid diol diacrylate (HDD A), or tripropylene glycol Diacrylate (TPGDA), ethylene glycol diacrylate (EGDA), etc. are mentioned.
- the 1 to 2 functional acrylate monomers may also be used alone or in combination with each other.
- the binder monomer is about 35 to about 85 parts by weight, or about 45 to about 100 parts by weight of the solid content including the binder monomer, the inorganic particles and the photoinitiator. 80 parts by weight may be included.
- the monomer for the binder is in the above range can exhibit a high hardness and can form a hard coat film with less curl or crck occurs with excellent processability.
- the binder monomer further comprises 1 to 2 functional acrylate monomers
- the content ratio of the 1 to 2 functional acrylate monomers and the 3 to 6 functional acrylate monomers is particularly limited.
- the 1 to 2 functional acrylate monomer and the 3 to 6 functional acrylate monomer is about 1:99 to about 50:50, or about 10 And from about 90: about 50:50, or about 20:80 to about 40:60.
- the binder monomer may further include a photocurable elastomer.
- the photocurable elastomer means a polymer material that exhibits elasticity and includes a functional group capable of crosslinking polymerization by ultraviolet irradiation.
- the photocurable elastomer is ASTM
- It can have an elongation of at least about 15%, for example about 15 to about 200%, or about 20 to about 200%, or about 20 to about 150%, as measured by D638.
- the hard coating composition of the present invention further comprises a photocurable elastomer
- the photocurable elastomer is the 3 to 6 functional acrylate-based Crosslinking polymerization with the monomer to form a hard coat layer after curing may impart flexibility and impact resistance to the hard coat layer formed.
- the binder monomer further comprises a photocurable elastomer
- the content ratio of the photocurable elastomer and the 3 to 6 functional acrylate monomer is not particularly limited, but according to an embodiment of the present invention,
- the photocurable elastomer and the 3 to 6 functional acrylate monomer may be included in a weight ratio of about 5:95 to about 20:80.
- the 3 to 6 functional acrylate-based monomer and the photocurable elastomer in the weight ratio, it provides high hardness and flexibility without deterioration of other physical properties such as curling properties or light resistance, in particular to prevent damage by the outer layer Excellent impact resistance can be secured.
- the photocurable elastomeric polymer may be a polymer or oligomer having a weight average molecular weight in the range of about 1,000 to about 600,000 g / mol, or about 10,000 to about 600,000 g / mol.
- the photocurable elastomer may be, for example, at least one member selected from the group consisting of polycaprolactone, urethane acrylate polymer, and polyrotaxane.
- polycaprolactone is formed by ring-opening polymerization of caprolactone and has excellent physical properties such as flexibility, layer resistance, and durability.
- the urethane acrylate polymer has excellent elasticity and durability, including urethane bonds.
- the polyrotaxane refers to a compound in which a dumbbell shaped molecule and a cyclic compound are structurally fitted.
- the dumbbell-shaped molecule includes a constant linear molecule and a blocking group disposed at both ends of the linear molecule, the linear molecule penetrates inside the cyclic compound, and the cyclic compound can move along the linear molecule. And the departure is prevented by the blocker.
- a cyclic compound in which a lactone compound having a (meth) acrylate compound introduced therein is bound;
- the annular Linear molecules penetrating the compound;
- a rotasein compound disposed at both ends of the linear molecule and including a blocking group to prevent the cyclic compound from being separated.
- the cyclic compound may be used without any limitation as long as it has a size enough to penetrate or surround the linear molecule, and may include a hydroxyl group, an amino group, a carboxyl group, a thiol group, or an aldehyde group that may react with other polymers or compounds. It may also contain a functional group. Specific examples of such cyclic compounds include ⁇ -cyclotextrin and ⁇ -cyclotextrin, ⁇ -cyclotextrin, or a combination thereof.
- a compound having a straight chain form having a molecular weight of a predetermined or more may be used without great limitation, but a polyalkylene compound or a polylactone compound may be used.
- a pulleyoxyalkylene compound containing a oxyalkylene repeating unit having 1 to 8 carbon atoms or a polylactone compound having a lactone repeating unit having 3 to 10 carbon atoms may be used.
- the blockade group may be appropriately adjusted according to the properties of the rotasein compound to be prepared, for example, one selected from the group consisting of dinitrophenyl group, cyclodextrin group, ammantane group, triyl group, fluorescein group and pyrene group or Two or more kinds can be used.
- Such polyrotaxane compounds may have excellent scratch resistance and may exhibit self-healing ability when scratches or external damages occur.
- the hard coating composition of the present invention contains inorganic fine particles.
- the inorganic fine particles may be included in a form dispersed in the binder monomer.
- the inorganic fine particles may be nanoscale inorganic fine particles, for example, nanoparticles having a particle diameter of about 100 nm or less, or about 10 to about 100 nm, or about 10 to about 50 nm. Can be used.
- the inorganic fine particles for example, silica fine particles, aluminum oxide particles, titanium oxide particles, or zinc oxide particles can be used.
- the hardness of the hard coat film can be further improved.
- the hard coating composition of the present invention includes a photoinitiator.
- the photoinitiator is 1-hydroxy-cyclonucleosil-phenyl ketone, 2-hydroxy-2-methyl-1-phenyl-1-propanone, 2-hydroxy-1- [4- (2-hydroxyethoxy) phenyl] -2-methyl-1-propane is methylbenzoylformate, o-ot-dimethoxy- ⁇ -phenylacetophenone, 2-benzoyl-2- (dimethylamino ) -1- [4- (4-morpholinyl) phenyl] -1-butanone, 2-methyl-1- [4- (methylthio) phenyl] -2- (4-morpholinyl) -1 -Propanone diphenyl (2,4,6-trimethylbenzoyl) -phosphine oxide, or bis (2,4,6-trimethylbenzoyl)-phenylphosphine oxide, and the like, but are not limited thereto.
- Irgacure 184 Commercially available products include Irgacure 184, Irgacure 500, Irgacure 651, Irgacure 369, Irgacure 907, Darocur 1173, Darocur MBF, Irgacure 819, Darocur TPO, Irgacure 907, and Esacure KIP 100F.
- These photoinitiators can be used individually or in mixture of 2 or more types different from each other.
- the photoinitiator is about 0.5 to about 10 parts by weight, or about 1 to about 5 parts by weight based on 100 parts by weight of the solid content including the monomer for the binder, the inorganic fine particles and the photoinitiator. May be included.
- the photoinitiator is in the above range, the crosslinked photopolymerization can be achieved without lowering the physical properties of the hard coat film.
- the hard coating composition of the present invention in addition to the above-described binder monomer, inorganic fine particles and photoinitiator, further comprises additives commonly used in the art to which the present invention belongs, such as surfactants, anti-yellowing agents, leveling crab, antifouling agent. can do.
- additives commonly used in the art to which the present invention belongs such as surfactants, anti-yellowing agents, leveling crab, antifouling agent. can do.
- the content can be variously adjusted within a range that does not lower the physical properties of the hard coating composition of the present invention, it is not particularly limited, for example, may be included in about ⁇ to about 10 parts by weight based on the solids loo parts by weight. have.
- the hard coating composition may include a surfactant as an additive, and the surfactant may be a 1 to 2 functional fluorine acrylate, a fluorine surfactant or a silicone surfactant.
- the surfactant may be included in the form of being dispersed or crosslinked in the crosslinked copolymer.
- the additive may include a yellowing inhibitor
- the yellowing inhibitor may include a benzophenone compound or a benzotriazole compound.
- the hard coating composition of the present invention comprises an organic solvent.
- the organic solvent is a solid ratio of the solid content: organic solvent with respect to a solid content including the monomer for the binder, the inorganic fine particles, and the photoinitiator is about 70: 30 to about 99: 1.
- the hard coating composition of the present invention contains a high content of solids, a high viscosity composition can be obtained, thereby enabling a thick coating to form a high thickness, for example, a hard coating layer of 50 or more.
- the organic solvent is methane, an alcoholic solvent such as ethanol, isopropyl alcohol, butanol, 2-methoxyethane, 2-ethoxyethanol, 1-methoxy-2-propanol
- Alkoxyalcohol solvents such as acetone, methyl ethyl ketone, methyl isobutyl ketone, methyl propyl ketone, ketone solvents such as cyclonucleanone, propylene glycol monopropyl ether, propylene glycol monomethyl ether, ethylene glycol monoethyl ether ethylene glycol mono Ether solvents such as propyl ether, ethylene glycol monobutyl ether diethylene glycol monomethyl ether, diethyl glycol monoethyl ether diethyl glycol monopropyl ether, diethyl glycol monobutyl ether diethylene glycol-2-ethyl nucleosil ether, benzene Or aromatic solvents such
- the viscosity of the hard coat composition may exhibit a high mobility and a relatively appropriate solid content range is not particularly limited with the high viscosity coating characteristics.
- Example The hard coating composition of the invention may have a viscosity of about 100 to about 1,200 cps, or about 100 to about 1,200 cps, or about 150 to about 1,200 cps, or about 300 to about 1,200 cps at a temperature of 25 ° C. .
- a hard-coating composition in a solvent-free form including a monomer for a binder, an inorganic fine particle, and a photoinitiator including a 3 to 6 functional acrylate monomer.
- the binder monomer may further include a 1 to 2 functional acrylate monomer or a photocurable elastomer.
- the non-solvent hard coating composition In the non-solvent hard coating composition, detailed descriptions of the 3 to 6 functional acrylate monomers, 1 to 2 functional acrylate monomers, photocurable elastomers, inorganic fine particles, photoinitiators and additives, and the like, and exemplary compounds and The content and the like are as described above in the hard coating composition comprising a solvent.
- the solvent-free hard coating composition does not include an organic solvent may exhibit a higher viscosity.
- the hard coating composition of the present invention has a viscosity of about 300 to about 1,200 cps, or about 300 to about 1,200 cps, or about 500 to about 1,200 cps, or about 800 to about 1,200 cps at a temperature of 25 ° C. It can have
- the solvent-type or solvent-free hard coating composition of the present invention comprising the above-described components can form a hard coating layer by applying a support substrate to photocuring.
- the thickness of the hard coat layer should be increased to, for example, 50 im, or 70 ⁇ m, or 100 or more.
- the process of planarizing the support substrate may be additionally performed, but since the crack occurs in the hard coating layer during the planarization process, it is not preferable.
- the hard coating composition according to the present invention is less curling or cracking even when applied and photocured to a high thickness on the support substrate to form a hard coating layer of high hardness, and has a hard coating layer having high transparency and high hardness Can be formed.
- the hard coating composition of the present invention can be used to form a hard coating layer having a thickness of at least about 50, for example from about 50 to about 150 ⁇ ⁇ ⁇ , or from about 70 to about 100.
- the hard coating composition according to the present invention is applied to one surface of a support substrate.
- the method of applying the composition is not particularly limited as long as it can be used in the technical field to which the present technology belongs, for example bar coating method, knife coating method, coating method, blade coating method, die coating method, micro gravure coating Method, comma coating method, slot die coating method, lip coating method, or solution casting method.
- it may optionally be performed to stabilize the coating surface of the hard coating composition.
- the stabilizing step may be performed, for example, by treating the support substrate to which the hard coating composition is applied at a constant temperature.
- the coated surface may be stabilized by planarizing the coated surface and volatilizing the volatile components included in the hard coating composition.
- the hard coat layer may be formed by irradiating ultraviolet light on the applied hard coat composition.
- the hard coating layer is formed on both sides of the support substrate using the hard coating composition of the present invention
- first the first hard coating composition is applied to one side of the support substrate and the first photocuring, and then the other side of the support substrate. That is, the second hard coating composition may be formed on the back by a two step process of second coating and second photocuring.
- the curl generated by the curing shrinkage in the first photocuring step is offset in the opposite direction to obtain a flat hard coating film. have. Therefore, an additional planarization process is not necessary.
- the film including the hard coating layer formed by using the hard coating composition of the present invention when exposed to a flat surface after 70 hours or more at a temperature of 50 ° C or more and 80% humidity or more, each corner or one of the film
- the maximum value of the distance away from the transition plane may be about 1.0 mm or less, or about 0.6 mm or less, or about 0.3 mm or less. More specifically, when placed in a plane after exposure for 70 to 100 hours at a temperature of 50 to 90 ° C and a humidity of 80 to 90%, the maximum value of the distance from each corner or one side plane of the film is About 1.0 mm or less, or about 0.6 mm or less, or about 0.3 mm or less.
- the film including the hard coating layer formed by using the hard coating composition of the present invention exhibits excellent high hardness, scratch resistance, high transparency, durability, light resistance, light transmittance and the like, and can be usefully used in various fields.
- the film including the hard coating layer formed using the hard coating composition of the present invention the pencil hardness at 1kg load may be 7H or more, or 8H or more, or 9H or more.
- the film including the hard coating layer formed by using the hard coating composition of the present invention the light transmittance is 91.0% or more, or 92.0% or more, haze is 1.0% or less, or 0.5% or less, or 0.4% or less Can be.
- the film including the hard coating layer formed using the hard coating composition of the present invention the initial color b value may be L0 or less.
- the difference between the initial color b value and the color b value after 72 hours or more exposure to an ultraviolet lamp in the UVB wavelength region may be 0.5 or less, or 0.4 or less.
- Such a film including a hard coating layer formed using the hard coating composition of the present invention can be utilized in various fields.
- it can be used for a touch panel of a mobile communication terminal, a smartphone or a tablet PC, and a cover substrate or an element substrate of various displays.
- the weight average molecular weight of the obtained polyrotasein was 600,000 g / mol, and elongation measured by ASTM D638 was 20%.
- Example 1 The weight average molecular weight of the obtained polyrotasein was 600,000 g / mol, and elongation measured by ASTM D638 was 20%.
- hydroxyethyl acrylate HSA
- nano-silica having a particle diameter of 20-30 nm, about 40% by weight of 0 /.
- the dispensary erythride dispersed in the nucleoacrylate (DPHA) complex 8 g (3.2 g of silica, 4.8 g of DPHA), 0.2 g of a photoinitiator (brand name: Darocur TPO), a benzotriazole yellowing inhibitor (brand name: Tinuvin 400) O.lg, and 0.05 g of a fluorine-based surfactant (trade name: FC4430) were mixed to prepare a first hard coating composition.
- a second hard coat composition was also prepared.
- the first hardcoat composition was applied onto a PET support substrate having a thickness of 15 cm X 20 cm, 188.
- the first photocuring was carried out by irradiating ultraviolet rays of 280-350nm wavelength using a black light fluorescent lamp.
- the second hard coating composition was applied to the back side of the supporting substrate.
- a second photocuring was performed by irradiating ultraviolet rays of 280-350nm wavelength using a black light fluorescent lamp to prepare a hard coat film.
- the first and second hard coatings formed on both sides of the resin were completed.
- the thickness of the layers was 100 each.
- a hard coat film was prepared in the same manner as in Example 1 except that 2 g of 9-ethylene glycol diacrylate (9-EGDA) was used instead of 2 g of hydroxyethyl acrylate (HEA).
- 9-EGDA 9-ethylene glycol diacrylate
- HOA hydroxyethyl acrylate
- HSA Hydroxyethyl acrylate
- DPHA di-penta EPO Li a hex acrylate
- a hard coat film was prepared in the same manner as in Example 1 except that 0 g of trimethyl dispersed propane triacrylate (TMPTA) complex 8g (silica 4g, TMPTA 4g) was used.
- TMPTA trimethyl dispersed propane triacrylate
- Hydroxyethyl acrylate (HEA) 2g, 20-30nm particle size of nano silica is about 40 wt 0/0
- MEK methyl ethyl ketone
- Example 5 The first hardcoat composition was applied onto a PC / PMMA coextrusion support substrate having a thickness of 15 cm X 20 cm, 180 / m. The subsequent process was to produce a hard coat film in the same manner as in Example 1.
- Example 5 The first hardcoat composition was applied onto a PC / PMMA coextrusion support substrate having a thickness of 15 cm X 20 cm, 180 / m. The subsequent process was to produce a hard coat film in the same manner as in Example 1.
- Example 5 Example 5
- the first and second hard coating compositions were applied on both sides of a 15 cm ⁇ 20 cm, 188-thick PET support substrate by bar coating.
- the hard coating layer is formed by passing a support substrate having the first and second hard coating compositions coated on both sides thereof through a metal halide lamp having a wavelength of 290-320 nm through an ultraviolet irradiation device installed above and below the support substrate. It was.
- Urethane acrylate polymer (trade name: UA200PA, Shinnakamura Chemical, weight average molecular weight 2,600 g / mol, elongation at 170% according to ASTM D638) was used instead of the polyrotacein lg of Preparation Example 1 except that lg was used.
- UA200PA Shinnakamura Chemical
- lg weight average molecular weight 2,600 g / mol, elongation at 170% according to ASTM D638
- Example 2 In the same manner as in Example 1, except that only 10 g of dipentaerythride was used instead of the nucleoacrylate (DPHA) complex of hydroxyethyl acrylate (HEA) and dipentaerythreat complex (DPHA). A film was prepared. Comparative Examples 2 to 3
- a hard coat film was prepared in the same manner as in Example 1 except for changing the components of the first and second hard coat compositions.
- each component and content of the hard coating composition are summarized in Table 1 below.
- Each hard-coated film was cut into 10 cm X 10 cm and stored in a chamber at a temperature of 85 ° C. and a humidity of 85% for 72 hours, and the maximum value of the distance of one side of each corner from the plane when placed on the plane was measured.
- the hard coating film prepared using the hard coating composition of Examples 1 to 7 of the present invention are all good in each physical property Characteristics.
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Abstract
Description
Claims
Priority Applications (5)
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|---|---|---|---|
| EP13796271.8A EP2843007B1 (en) | 2012-05-31 | 2013-05-31 | Hard coating composition |
| CN201380039942.4A CN104520387B (zh) | 2012-05-31 | 2013-05-31 | 硬涂层组合物 |
| US14/404,304 US9403991B2 (en) | 2012-05-31 | 2013-05-31 | Hard coating composition |
| JP2015514913A JP6280918B2 (ja) | 2012-05-31 | 2013-05-31 | ハードコーティング組成物 |
| US15/193,491 US9884977B2 (en) | 2012-05-31 | 2016-06-27 | Hard coating composition |
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| Application Number | Priority Date | Filing Date | Title |
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| KR10-2012-0058635 | 2012-05-31 | ||
| KR20120058634 | 2012-05-31 | ||
| KR20120058636 | 2012-05-31 | ||
| KR20120058637 | 2012-05-31 | ||
| KR20120058635 | 2012-05-31 | ||
| KR10-2012-0058636 | 2012-05-31 | ||
| KR10-2012-0058634 | 2012-05-31 | ||
| KR10-2012-0058637 | 2012-05-31 | ||
| KR10-2013-0062094 | 2013-05-30 | ||
| KR1020130062094A KR101418409B1 (ko) | 2012-05-31 | 2013-05-30 | 하드코팅 조성물 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US14/404,304 A-371-Of-International US9403991B2 (en) | 2012-05-31 | 2013-05-31 | Hard coating composition |
| US15/193,491 Division US9884977B2 (en) | 2012-05-31 | 2016-06-27 | Hard coating composition |
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| WO2013180512A1 true WO2013180512A1 (ko) | 2013-12-05 |
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| PCT/KR2013/004804 Ceased WO2013180509A1 (ko) | 2012-05-31 | 2013-05-31 | 하드코팅 필름 |
| PCT/KR2013/004805 Ceased WO2013180510A1 (ko) | 2012-05-31 | 2013-05-31 | 하드코팅 필름의 제조방법 |
| PCT/KR2013/004807 Ceased WO2013180511A1 (ko) | 2012-05-31 | 2013-05-31 | 하드코팅 필름의 제조방법 |
| PCT/KR2013/004809 Ceased WO2013180512A1 (ko) | 2012-05-31 | 2013-05-31 | 하드코팅 조성물 |
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| PCT/KR2013/004804 Ceased WO2013180509A1 (ko) | 2012-05-31 | 2013-05-31 | 하드코팅 필름 |
| PCT/KR2013/004805 Ceased WO2013180510A1 (ko) | 2012-05-31 | 2013-05-31 | 하드코팅 필름의 제조방법 |
| PCT/KR2013/004807 Ceased WO2013180511A1 (ko) | 2012-05-31 | 2013-05-31 | 하드코팅 필름의 제조방법 |
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| US (5) | US9896597B2 (ko) |
| EP (4) | EP2840109A4 (ko) |
| JP (4) | JP6280918B2 (ko) |
| KR (4) | KR101418409B1 (ko) |
| CN (5) | CN104508023A (ko) |
| TW (4) | TWI558561B (ko) |
| WO (4) | WO2013180509A1 (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016072356A1 (ja) * | 2014-11-04 | 2016-05-12 | アドバンスト・ソフトマテリアルズ株式会社 | 光硬化性組成物、光硬化性組成物から形成される硬化体、及び該硬化体の製造方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0274646B1 (de) | 1986-12-15 | 1992-02-05 | Siemens Nixdorf Informationssysteme Aktiengesellschaft | Verfahren zur Herstellung von Prepregs und deren Verwendung |
| JP2698591B2 (ja) | 1988-01-28 | 1998-01-19 | 株式会社日立製作所 | 誘導電動機の固定子およびその製造方法 |
| JP2698592B2 (ja) | 1988-01-28 | 1998-01-19 | 株式会社日立製作所 | 誘導電動機の固定子およびその製造方法 |
| KR101295325B1 (ko) * | 2012-05-25 | 2013-08-09 | 주식회사 엘지화학 | 하드 코팅 필름 |
| JP5859170B2 (ja) * | 2012-05-25 | 2016-02-10 | エルジー・ケム・リミテッド | ポリロタキサン化合物、光硬化性コーティング組成物およびコーティングフィルム |
| KR101379491B1 (ko) | 2012-05-31 | 2014-04-01 | 주식회사 엘지화학 | 하드코팅 필름 및 이의 제조방법 |
| KR101501686B1 (ko) | 2012-05-31 | 2015-03-11 | 주식회사 엘지화학 | 하드코팅 필름 |
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