WO2011102650A2 - 눈부심 방지 필름용 코팅층 및 이를 포함하는 눈부심 방지 필름 - Google Patents
눈부심 방지 필름용 코팅층 및 이를 포함하는 눈부심 방지 필름 Download PDFInfo
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- WO2011102650A2 WO2011102650A2 PCT/KR2011/001050 KR2011001050W WO2011102650A2 WO 2011102650 A2 WO2011102650 A2 WO 2011102650A2 KR 2011001050 W KR2011001050 W KR 2011001050W WO 2011102650 A2 WO2011102650 A2 WO 2011102650A2
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- fine particles
- glare film
- coating layer
- binder resin
- particles
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions 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; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
- C08L33/08—Homopolymers or copolymers of acrylic acid esters
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- 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
- C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09D133/08—Homopolymers or copolymers of acrylic acid esters
-
- 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
-
- 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
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- 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
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
- G02B1/111—Anti-reflection coatings using layers comprising organic materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, 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 an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/08—Copolymers of styrene
- C08L25/14—Copolymers of styrene with unsaturated esters
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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
- Y10T428/249921—Web or sheet containing structurally defined element or component
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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
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/268—Monolayer with structurally defined element
Definitions
- the present invention relates to a coating layer for an antiglare film capable of preventing glare due to reflection of external light on a display surface and an antiglare film comprising the same.
- flat panel display In order to meet the recent high speed and high density of information transmission, diversification and multifunctionality of transmission media, and consumers demand high quality products such as large screen, high definition, multifunction and high functionality, flat panel display (FPD) Has appeared. As the size of the display becomes larger and thinner and the demand for notebook PCs increases, various types of flat panel displays, such as LCD, PDP, rear-projection TV, have been developed and commercialized. However, when such a display is exposed to external light such as natural light, the surface reflected light may cause fatigue or headache to the user's eyes, and an image generated inside the display may not be recognized as a clear image. have.
- an anti-glare effect has been realized by forming irregularities on the display surface to scatter external light from the surface.
- this causes a problem that image sharpness is degraded in a high resolution display.
- a method of inducing internal haze by adding particles to induce internal scattering to a coating layer has many problems.
- Korean Patent No. 10-046782 discloses a first fine particle having an average diameter of 0.05 to 1 ⁇ m having an index difference of 0.2 to 0.5 and an acrylate binder resin and a second fine particle having an average particle size of 0.5 to 3 ⁇ m that does not exceed 0.1. Although it is described with respect to the anti-glare coating layer for a high resolution, there is a disadvantage that the contrast is lowered because the refractive index difference between the binder resin and the first fine particles is severe.
- Korean Patent No. 10-0378340 includes at least two or more types of light-transmitting fine particles in a binder resin, and the refractive index of the light-transmitting fine particles is 0.03 or more and 0.2 or less, and each light-transmitting fine particle has a different refractive index.
- the anti-glare property is lowered compared to the same image sharpness and haze value, the contrast is lowered due to the haze of 10% or more, and the scratch resistance is lowered due to the organic particles.
- Republic of Korea Patent No. 10-0296369 is characterized in that it comprises a light-transmitting diffuser in the binder resin, the external haze value due to the surface irregularities is 7 to 30 and the internal haze value is 1 to 15 by the light transmitting diffuser.
- the contrast is lowered due to the high surface haze value.
- the fine particles included in the anti-glare film for the purpose of light scattering effect is mainly used organic particles.
- the strength of the coating film is weak, there is a problem that the scratch easily occurs, and if it is prevented to coat the thickness of the coating film thick, in the manufacturing process of the polarizing plate of a large display, fine cracks occur in the coating coating film to increase the defective rate
- the cutting surface is broken at the time of cutting the polarizing plate due to the fracture characteristics of the binder resin.
- the present invention is excellent in scratch resistance as well as anti-glare characteristics, in particular, it is possible to ensure excellent scratch resistance and pencil hardness even in a thin film, anti-glare coating composition that is easy to manufacture large polarizers and high-resolution display glare prepared using the same It is intended to provide an prevention film.
- the present invention is to solve the problems of the prior art and to provide a coating layer for anti-glare film excellent in scratch resistance,
- It includes a binder resin, organic fine particles and inorganic fine particles, the organic fine particles and inorganic fine particles provide a coating layer for an anti-glare film, characterized in that the refractive index difference is 0.3 or less, respectively.
- the present invention provides an anti-glare film comprising the coating layer for the anti-glare film.
- the present invention includes a binder resin, organic fine particles and inorganic fine particles, the organic fine particles and inorganic fine particles provide a composition for an anti-glare film, characterized in that the refractive index difference is 0.3 or less, respectively.
- It provides a method for producing an anti-glare film comprising a.
- the anti-glare coating layer according to the present invention can provide an anti-glare film having excellent image sharpness and contrast as well as anti-glare property, so that it can be applied to a high resolution display and has excellent scratch resistance even in a coating thickness of a thin film. Therefore, the enlargement of a polarizing plate is easy.
- the anti-glare coating layer according to the present invention includes a binder resin, organic fine particles and inorganic fine particles, wherein the organic fine particles and the inorganic fine particles are characterized in that the refractive index difference between the binder resin and 0.3 or less, respectively.
- the total content of the organic fine particles and the inorganic fine particles is preferably included within the range of 1 to 30 parts by weight based on 100 parts by weight of the binder resin. That is, it is preferable to add 1-30 weight part or less with respect to 100 weight part of binder resins by adding up the total amount of the microparticles
- the total content of the organic fine particles and the inorganic fine particles is less than 1 part by weight with respect to 100 parts by weight of the binder resin, the haze value due to internal scattering may not be sufficiently realized. The haze value due to is so turned on, the contrast ratio is lowered, which is undesirable.
- the content of the inorganic fine particles is preferably within the range of 20 to 80 parts by weight based on 100 parts by weight of the organic fine particles. If the amount of the inorganic fine particles is less than 20 parts by weight with respect to 100 parts by weight of the organic fine particles, the scratch resistance is weakened by the organic fine particles protruding to the surface. If the amount of the inorganic fine particles is greater than 80 parts by weight, the surface becomes rough and the crack is poor on the coated surface. This occurs and is undesirable.
- the average refractive index difference with the said binder resin is 0.3 or less, and, as for the said organic fine particle, it is more preferable that it is 0.02-0.2. If the difference in refractive index is less than the lower limit, it is difficult to obtain a sufficient haze value due to internal scattering, and when the upper limit is exceeded, the internal scattering increases to increase haze value while the transmittance decreases to decrease contrast ratio.
- the organic fine particles are spherical and preferably have a particle diameter within the range of 1 to 7 ⁇ m. If the diameter is less than 1 ⁇ m, the scattering property is lowered and sufficient haze value cannot be obtained, and if the diameter is larger than 7 ⁇ m, the thickness of the coating coating becomes thick, which is not preferable because of its cracking or breaking property.
- the organic fine particles are polystyrene, polymethyl methacrylate, polymethyl acrylate, polyacrylate, polyacrylate-co-styrene, polymethylacrylate-co-styrene, polymethylmethacrylate-co-styrene, polycarbonate , Polyvinyl chloride, polybutylene terephthalate, polyethylene terephthalate, polyamide, polyimide, polysulfone, polyphenylene oxide, polyacetal, epoxy resin, phenol resin, silicone resin, melamine resin, benzoguamine, At least one selected from polydivinylbenzene, polydivinylbenzene-co-styrene, polydivinylbenzene-co-acrylate, polydiallylphthalate and triallyl isocyanurate polymer or two or more copolymers thereof ( copolymer) can be used.
- the said inorganic fine particle is spherical, and particle diameter is within 2-10 micrometers. If the diameter is less than 2 ⁇ m, the particles cannot be buried inside the binder resin to implement external haze, and if the diameter exceeds 10 ⁇ m, the thickness of the coating film becomes thick, which is not preferable.
- the average refractive index difference with the said binder resin is 0.3 or less, and, as for the said inorganic fine particle, it is more preferable that it is 0.02-0.2. If the difference in refractive index is less than the lower limit, it is difficult to obtain a sufficient haze value due to internal scattering, and when the upper limit is exceeded, the internal scattering increases to increase haze value while the transmittance decreases to decrease contrast ratio.
- the inorganic fine particles may be used as a single selected from silica, silicon particles, aluminum hydroxide, magnesium hydroxide, alumina, zirconia, titania, or two or more thereof, but are not necessarily limited thereto.
- the binder resin may be an acrylic binder resin.
- the type of the acrylic binder resin is not particularly limited and may be selected without particular limitation as long as it is known in the art.
- Examples of the acrylic binder resin may be an acrylate monomer, an acrylate oligomer, a mixture thereof, or the like.
- the acrylate monomer or acrylate oligomer preferably comprises at least one or more acrylate functional groups capable of participating in the curing reaction.
- the kind of the acrylate monomer and the acrylate oligomer is not particularly limited, and may be used without particular limitation to those commonly used in the art.
- acrylate oligomer urethane acrylate oligomer, epoxy acrylate oligomer, polyester acrylate, polyether acrylate or a mixture thereof may be used.
- acrylate monomer dipentaerythritol hexaacrylate, dipentaerythritol hydroxy pentaacrylate, pentaerythritol tetraacrylate, pentaerythritol triacrylate, trimethylene propyl triacrylate, propoxylated glycerol triacrylate , Trimethyllopropane ethoxy triacrylate, 1,6-hexanediol diacrylate, propoxylated glycerol triacrylate, tripropylene glycol diacrylate, ethylene glycol diacrylate or mixtures thereof, and the like are preferable. Although it may be used, it is not necessarily limited to these examples.
- the anti-glare coating layer according to the present invention includes an organic fine particle and an inorganic fine particle together in a single coating layer, thereby providing an anti-glare film having excellent image sharpness and contrast as well as anti-glare property, and thus high-resolution display It can be applied to the film, and it has a feature that it is easy to enlarge the polarizing plate because it has excellent scratch resistance even in the coating thickness of the thin film.
- the coating layer for anti-glare film according to the present invention has excellent dispersion degree of organic fine particles and inorganic fine particles contained in the coating layer, there is a feature that can form a single particle layer without the phenomenon that the glass fine particles and inorganic fine particles do not overlap each other. .
- the anti-glare coating layer according to the present invention has excellent anti-glare property, excellent sharpness and contrast, and excellent mechanical strength and scratch resistance of the final film.
- the thickness of the coating layer for anti-glare films it is preferable that it is 1-20 micrometers, and, as for the thickness of the coating layer for anti-glare films, it is more preferable that it is within 1-4 micrometers range. This is because the thinner the coating layer, the lower the probability of cracking. However, since the purpose of forming the coating layer should be sufficiently realized, the thickness range may be appropriately adjusted by those skilled in the art in consideration of this purpose.
- the anti-glare film according to the present invention includes the coating layer for the anti-glare film.
- composition for anti-glare film according to the invention comprises a binder resin, organic fine particles and inorganic fine particles, the organic fine particles and inorganic fine particles are characterized in that the refractive index difference between the binder resin and 0.3 or less, respectively.
- composition for anti-glare film since the content of the binder resin, glass fine particles and inorganic fine particles is the same as described above, a detailed description thereof will be omitted.
- the anti-glare composition according to the present invention may be further included in the solvent 50 to 500 parts by weight based on 100 parts by weight of the binder resin.
- the solvent is not particularly limited in kind, but an organic solvent may be usually used.
- the content of the solvent is less than 50 parts by weight of the coating composition is too large a coating property may be poor, if it exceeds 500 parts by weight the film strength of the coating film is lowered, it may be difficult to manufacture a thick film.
- the solvent is a single selected from C 1 to C 6 lower alcohols, acetates, ketones, cellosolves, dimethylformamide, tetrahydrofuran, propylene glycol monomethyl ether, toluene, and xylene or their It may be a mixture.
- the lower alcohols are one selected from methanol, ethanol, isopropyl alcohol, butyl alcohol, isobutyl alcohol and diacetone alcohol
- the acetates are methyl acetate, ethyl acetate, isopropyl acetate, and butyl acetate.
- cellosolve acetate and the ketones may be one selected from methyl ethyltone, methyl isobutyl ketone, acetylacetone, and acetone, but are not limited thereto.
- composition of the present invention may further include a UV curing initiator added for the purpose of curing through UV irradiation.
- the UV curing initiator is selected from among 1-hydroxy cyclohexylphenyl ketone, benzyl dimethyl ketal, hydroxydimethylacetophenone, benzoin, benzoin methyl ether, benzoin ethyl ether, benzoin isopropyl ether, and benzoin butyl ether. It may be one single or a mixture of two or more selected, but is not limited thereto.
- the said UV curing initiator is added in 0.1-10 weight part with respect to 100 weight part of said binder resins. If it is less than 0.1 part by weight, sufficient curing may not occur, and if it exceeds 10 parts by weight, the film strength of the anti-glare film may be deteriorated.
- the anti-glare composition according to the present invention may further include at least one additive selected from a leveling agent, a wetting agent, and an antifoaming agent.
- the additive may be added in an amount of 0.01 to 10 parts by weight based on 100 parts by weight of the binder resin.
- the leveling agent can make the surface of the coating film coated using the composition for anti-glare film according to the present invention.
- the wetting agent serves to lower the surface energy of the composition for anti-glare film according to the present invention, when coating the composition for anti-glare film on a transparent base layer, it can be made uniform coating.
- the antifoaming agent may be added to remove bubbles in the composition for anti-glare film according to the present invention.
- the manufacturing method of the anti-glare film according to the present invention 1) comprises a binder resin, organic fine particles and inorganic fine particles on the substrate, wherein the organic fine particles and inorganic fine particles each having a refractive index difference of 0.3 or less each of the anti-glare film Coating the composition for use, and 2) curing.
- the description of the step 1) is not particularly limited in configuration, it can be used that is commonly used in the art.
- the material may be formed of a material selected from triacetyl cellulose (TAC), polyethylene terephthalate (PET), polyethylene naphthalate (PEN), polycarbonate (PC) and norbornene-based polymers.
- TAC triacetyl cellulose
- PET polyethylene terephthalate
- PEN polyethylene naphthalate
- PC polycarbonate
- norbornene-based polymers any material selected from triacetyl cellulose (TAC), polyethylene terephthalate (PET), polyethylene naphthalate (PEN), polycarbonate (PC) and norbornene-based polymers.
- TAC triacetyl cellulose
- PET polyethylene terephthalate
- PEN polyethylene naphthalate
- PC polycarbonate
- norbornene-based polymers norbornene-based polymers
- the base material preferably comprises triacetyl cellulose.
- the substrate has a transmittance of at least 85%, a haze value of 1% or less, and a thickness of 30 to 120 ⁇ m, but is not limited thereto.
- the coating method of the anti-glare composition of step 1) may be a wet coating method, roll coating method, bar coating method, spray coating method, dip coating method And spin coating methods.
- the coating method is not limited thereto, and of course, various other coating methods used in the art may be used.
- the step 2) may be divided into a drying step and a curing step, or may proceed in one step.
- the curing step is suitable to use UV.
- Curing conditions vary slightly depending on the blending ratio and components, but in the case of electron beam or ultraviolet curing, it is preferable to cure the irradiation amount at 200 to 1,000 mJ / cm 2 for 1 second to 10 minutes.
- the binder resin when the curing time is less than 1 second, the binder resin may not be cured sufficiently, so that mechanical properties such as wear resistance may be poor, and when the curing time exceeds 10 minutes, yellowing occurs in the transparent base layer. Can be.
- Anti-glare film of the present invention may further include a separate layer for other purposes in addition to the above-described base layer and coating layer.
- an antifouling layer may be further provided to prevent contamination of the display surface, and various other purpose layers may be further provided without limitation.
- the anti-glare film according to the present invention can be used to prevent glare interposed on the front of the high-resolution flat panel display, it can be applied to all of the display without being limited to.
- the display according to the invention may have a structure known in the art, with the exception of the anti-glare coating film described above.
- the anti-glare coating film may be disposed at the outermost portion of the display that the viewer touches.
- urethane acrylate oligomers 10 g of urethane acrylate oligomers and 20 g of dipentaerythritol hexaacrylate (DPHA) as a polyfunctional acrylate monomer; 2 g of polyacrylate-co-styrene particles having an average particle diameter of 3.5 ⁇ ⁇ and a refractive index of 1.59 as organic fine particles; 2 g of silicon particles having an average particle diameter of 4 mu m and a refractive index of 1.43 as inorganic fine particles; 30 g of methyl ethyl ketone and 30 g of toluene as an organic solvent; 2 g of UV curing initiators were uniformly mixed to prepare a composition for producing an anti-glare film.
- the refractive index of the binder resin was about 1.51 to 1.53.
- composition for preparing a liquid anti-glare film prepared by the above method using a roll coating on a transparent base layer made of triacetyl cellulose (thickness 80 ⁇ m) to a dry thickness of 4 ⁇ m and irradiated with UV of 280mJ / cm2 It hardened and the film was obtained.
- Example 1 the composition was prepared in the same manner as described in Example 1, except that the inorganic particles had an average particle diameter of 5 ⁇ m and were replaced with silica particles having a refractive index of 1.46. Then, it was cured in the same manner as in Example 1 to prepare an anti-glare film.
- Example 2 As in Example 1, except that 4 g of polyacrylate-co-styrene particles having an average particle diameter of 3.5 ⁇ m and a refractive index of 1.59 were used as the organic fine particles, and the inorganic fine particles were not used.
- the anti-glare film was produced.
- Example 1 4 g of polyacrylate-co-styrene particles having an average particle diameter of 3.5 ⁇ m and a refractive index of 1.59 were used as the organic fine particles, and inorganic fine particles were not used, and the coating composition was applied so that the dry thickness of the prepared composition was 10 ⁇ m. Except for the above, it was carried out in the same manner as described in Example 1 to prepare an anti-glare film.
- Example 1 except that 3.5 g of polyacrylate-co-styrene particles having an average particle diameter of 3.5 ⁇ m and a refractive index of 1.59 as organic fine particles and 0.5 g of silicon particles having an average particle diameter of 4 ⁇ m and an index of refractive index of 1.43 were used as inorganic particles.
- 3.5 g of polyacrylate-co-styrene particles having an average particle diameter of 3.5 ⁇ m and a refractive index of 1.59 as organic fine particles and 0.5 g of silicon particles having an average particle diameter of 4 ⁇ m and an index of refractive index of 1.43 were used as inorganic particles.
- permeability was measured using HR-100 by Murakami Color Research Laboratory.
- the haze value was measured using the HR-100 by Murakami Color Research Laboratory.
- 60 o reflection gloss was measured using a micro-TRI-gloss from BYK Gardner.
- ⁇ Number of scratches: More than 3 long scratches of 1 cm or more
- Hardness was measured by testing three times for each pencil hardness at 500g load in accordance with ASTM D3363.
- the length of the cracks was observed through a mandrel test (1.0 mm).
Abstract
Description
Claims (17)
- 바인더 수지, 유기 미립자 및 무기 미립자를 포함하고, 상기 유기 미립자 및 무기 미립자는 상기 바인더 수지와 굴절율 차이가 각각 0.3 이하인 것을 특징으로 하는 눈부심 방지 필름용 코팅층.
- 청구항 1에 있어서, 상기 유기 미립자 및 무기 미립자의 총함량은, 상기 바인더 수지 100 중량부에 대하여, 1 내지 30 중량부 범위 이내인 것을 특징으로 하는 눈부심 방지 필름용 코팅층.
- 청구항 1에 있어서, 상기 무기 미립자의 함량은 유기 미립자 100 중량부에 대하여, 20 내지 80 중량부 범위 이내인 것을 특징으로 하는 눈부심 방지 필름용 코팅층.
- 청구항 1에 있어서, 상기 유기 미립자는 구형이고, 입자 직경이 1 내지 7㎛ 범위 이내인 것을 특징으로 하는 눈부심 방지 필름용 코팅층.
- 청구항 1에 있어서, 상기 유기 미립자는 폴리스티렌, 폴리메틸메타크릴레이트, 폴리메틸아크릴레이트, 폴리아크릴레이트, 폴리아크릴레이트-co-스티렌, 폴리메틸아크릴레이트-co-스티렌, 폴리메틸메타크릴레이트-co-스티렌, 폴리카보네이트, 폴리비닐클로라이드, 폴리부틸렌테레프탈레이트, 폴리에틸렌테레프탈레이트, 폴리아마이드계, 폴리이미드계, 폴리술폰, 폴리페닐렌옥사이드, 폴리아세탈, 에폭시레진, 페놀레진, 실리콘 수지, 멜라민 수지, 벤조구아민, 폴리디비닐벤젠, 폴리디비닐벤젠-co-스티렌, 폴리디비닐벤젠-co-아크릴레이트, 폴리디알릴프탈레이트 및 트리알릴이소시아눌레이트폴리머 중에서 선택된 하나의 이상의 것 또는 이들의 2 이상의 코폴리머(copolymer)인 것을 특징으로 하는 눈부심 방지 필름용 코팅층.
- 청구항 1에 있어서, 상기 무기 미립자는 구형이고, 입자 직경이 2 내지 10㎛ 범위 이내인 것을 특징으로 하는 눈부심 방지 필름용 코팅층.
- 청구항 1에 있어서, 상기 무기 미립자는 실리카, 실리콘 입자, 수산화알루미늄, 수산화마그네슘, 알루미나, 지르코니아 및 티타니아로 이루어진 군으로부터 선택되는 1종 이상을 포함하는 것을 특징으로 하는 눈부심 방지 필름용 코팅층.
- 청구항 1에 있어서, 상기 바인더 수지는 아크릴계 바인더 수지인 것을 특징으로 하는 눈부심 방지 필름용 코팅층.
- 청구항 8에 있어서, 상기 아크릴계 바인더 수지는 아크릴레이트 단량체및 아크릴레이트 올리고머로 이루어진 군으로부터 선택되는 1종 이상을 포함하는 것을 특징으로 하는 눈부심 방지 필름용 코팅층.
- 청구항 1에 있어서, 상기 눈부심 방지 필름용 코팅층의 두께는 1 ~ 20㎛ 범위 이내인 것을 특징으로 하는 눈부심 방지 필름용 코팅층.
- 청구항 1 내지 청구항 9 중 어느 한 항의 눈부심방지 필름용 코팅층을 포함하는 눈부심방지 필름.
- 바인더 수지, 유기 미립자 및 무기 미립자를 포함하고, 상기 유기 미립자 및 무기 미립자는 상기 바인더 수지와 굴절율 차이가 각각 0.3 이하인 것을 특징으로 하는 눈부심 방지 필름용 조성물.
- 청구항 12에 있어서, 상기 바인더 수지 100 중량부에 대해, 용매를 50 ~ 500 중량부 더 포함하는 것을 특징으로 하는 눈부심 방지 필름용 조성물.
- 청구항 12에 있어서, UV 경화개시제를 더 포함하는 것을 특징으로 하는 눈부심 방지 필름용 조성물.
- 청구항 14에 있어서, 상기 UV 경화개시제의 함량은, 상기 바인더 수지 100 중량부에 대해, 0.1 ~ 10 중량부인 것을 특징으로 하는 눈부심 방지 필름용 조성물.
- 청구항 12에 있어서, 레벨링제, 웨팅제 및 소포제로 이루어진 군으로부터 선택되는 1종 이상을 더 포함하는 것을 특징으로 하는 눈부심 방지 필름용 조성물.
- 1) 기재 상에 바인더 수지, 유기 미립자 및 무기 미립자를 포함하고, 상기 유기 미립자 및 무기 미립자는 상기 바인더 수지와굴절율 차이가 각각 0.3 이하인눈부심 방지 필름용 조성물을 코팅하는 단계, 및2) 경화시키는 단계를 포함하는 눈부심 방지 필름의제조방법.
Priority Applications (5)
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JP2012552817A JP2013519915A (ja) | 2010-02-19 | 2011-02-17 | 防眩フィルム用コーティング層およびこれを含む防眩フィルム |
EP11744892.8A EP2537886B1 (en) | 2010-02-19 | 2011-02-17 | Coating layer for an antiglare film, and an antiglare film comprising the same |
CN201180010231.5A CN102762644B (zh) | 2010-02-19 | 2011-02-17 | 用于防眩光膜的涂层以及包括该涂层的防眩光膜 |
PL11744892T PL2537886T3 (pl) | 2010-02-19 | 2011-02-17 | Warstwa powłokowa do folii przeciwodblaskowej i folia przeciwodblaskowa ją zawierająca |
US13/579,822 US9738809B2 (en) | 2010-02-19 | 2011-02-17 | Coating layer for anti-glare film and anti-glare film comprising the same |
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KR10-2010-0014931 | 2010-02-19 | ||
KR20100014931 | 2010-02-19 |
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WO2011102650A2 true WO2011102650A2 (ko) | 2011-08-25 |
WO2011102650A3 WO2011102650A3 (ko) | 2012-01-19 |
WO2011102650A4 WO2011102650A4 (ko) | 2012-03-22 |
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PCT/KR2011/001050 WO2011102650A2 (ko) | 2010-02-19 | 2011-02-17 | 눈부심 방지 필름용 코팅층 및 이를 포함하는 눈부심 방지 필름 |
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US (1) | US9738809B2 (ko) |
EP (1) | EP2537886B1 (ko) |
JP (2) | JP2013519915A (ko) |
KR (1) | KR101256554B1 (ko) |
CN (1) | CN102762644B (ko) |
HU (1) | HUE025228T2 (ko) |
PL (1) | PL2537886T3 (ko) |
TW (1) | TWI490527B (ko) |
WO (1) | WO2011102650A2 (ko) |
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Also Published As
Publication number | Publication date |
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CN102762644A (zh) | 2012-10-31 |
EP2537886A2 (en) | 2012-12-26 |
KR20110095820A (ko) | 2011-08-25 |
HUE025228T2 (en) | 2016-02-29 |
JP2013519915A (ja) | 2013-05-30 |
TW201137382A (en) | 2011-11-01 |
JP2015118383A (ja) | 2015-06-25 |
PL2537886T3 (pl) | 2015-11-30 |
KR101256554B1 (ko) | 2013-04-19 |
TWI490527B (zh) | 2015-07-01 |
CN102762644B (zh) | 2014-12-31 |
EP2537886A4 (en) | 2013-07-24 |
US20120321874A1 (en) | 2012-12-20 |
US9738809B2 (en) | 2017-08-22 |
WO2011102650A4 (ko) | 2012-03-22 |
WO2011102650A3 (ko) | 2012-01-19 |
EP2537886B1 (en) | 2015-06-17 |
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