WO2004101676A1 - 液状樹脂組成物、硬化膜及び積層体 - Google Patents
液状樹脂組成物、硬化膜及び積層体 Download PDFInfo
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- WO2004101676A1 WO2004101676A1 PCT/JP2004/006508 JP2004006508W WO2004101676A1 WO 2004101676 A1 WO2004101676 A1 WO 2004101676A1 JP 2004006508 W JP2004006508 W JP 2004006508W WO 2004101676 A1 WO2004101676 A1 WO 2004101676A1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—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 a halogen; Compositions of derivatives of such polymers
- C08L27/02—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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
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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
- B32B23/00—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose
- B32B23/04—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose comprising such cellulosic plastic substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B23/08—Layered products comprising a layer of cellulosic plastic substances, i.e. substances obtained by chemical modification of cellulose, e.g. cellulose ethers, cellulose esters, viscose comprising such cellulosic plastic substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/26—Layered products comprising a layer of synthetic resin characterised by the use of special additives using curing agents
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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
- B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
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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
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
- B32B27/322—Layered products comprising a layer of synthetic resin comprising polyolefins comprising halogenated polyolefins, e.g. PTFE
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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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- G02B1/105—
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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
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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
- G02B1/14—Protective coatings, e.g. hard coatings
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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
- G02B1/16—Optical coatings produced by application to, or surface treatment of, optical elements having an anti-static effect, e.g. electrically conducting coatings
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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
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
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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
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/10—Inorganic particles
- B32B2264/102—Oxide or hydroxide
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/408—Matt, dull surface
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/418—Refractive
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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
- B32B2457/00—Electrical equipment
- B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
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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
- B32B2551/00—Optical elements
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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
- B32B2559/00—Photographic equipment or accessories
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/256—Heavy metal or aluminum or compound thereof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers
Definitions
- the present invention relates to a liquid resin composition, a cured film, and a laminate, and more particularly to a liquid resin composition and a cured film that can form a cured film having a low refractive index layer and a high refractive index layer in a single coating step. And a laminate.
- an antireflection film made of a low refractive index material is coated on a substrate of the display device, and a method of forming the antireflection film is used.
- a method of forming a thin film of a fluorine compound by a vapor deposition method is known.
- a technology S capable of forming an anti-reflection film on low-cost and large-sized display devices mainly liquid crystal display devices.
- the vapor deposition method it is difficult to form a uniform antireflection film with high efficiency on a large-area substrate, and the cost is reduced because a vacuum device is required. Is difficult.
- the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a liquid resin composition capable of efficiently producing a low refractive index layer and a high refractive index layer. Another object of the present invention is to provide a cured film having high transparency, high adhesion to a substrate, and excellent scratch resistance and dust wiping properties. Disclosure of the invention
- liquid resin composition a cured film, a method for producing a cured film, and a laminate are provided.
- a liquid resin composition containing the following components (A), (B), (C) and (D).
- (C) metal oxide particles having a number average particle diameter of 100 nm or less
- the metal oxide particles contain titanium oxide, zirconium oxide, antimony-containing tin oxide, tin-containing indium oxide, silicon dioxide, aluminum oxide, cerium oxide, zinc oxide, tin oxide, antimony-containing zinc oxide, and indium-containing. 2.
- the cured film has a two-layer structure including a layer in which the component (C) exists at a high density and a layer in which the component (C) does not substantially exist or exists at a low density.
- a method for producing a cured film comprising a step of curing by irradiation with radiation.
- a laminate comprising at least one layer comprising the cured film according to 4 or 5 above on a substrate.
- the other layer is a hard coat layer, a layer having a refractive index of 1.5 to 1.7, and a combination of a layer having a refractive index of 1.3 to 1.5 and a layer having a refractive index of 1, 2, 3, or 2.
- the laminate according to 8, wherein the laminate comprises one or more layers selected from the group consisting of:
- the base material layer is made of triacetyl cellulose, polyethylene terephthalate resin, polycarbonate resin, acrylic resin, acrylic styrene copolymer resin, polyolefin resin, norpolene resin, or glass. 10.
- the cured film obtained by curing the liquid resin composition of the present invention can form a low-refractive index layer and a high-refractive index layer in one coating step, and thus has a two-layer structure. Can be simplified. Therefore, the liquid resin composition of the present invention can be advantageously used particularly for forming an optical material such as an antireflection film and an optical fiber sheath material. It can be suitably used as a coating material, a weatherproof film material, a coating material, and the like for the required base material. Moreover, the cured film has excellent adhesion to the substrate, high scratch resistance, and imparts a good antireflection effect, so that it is extremely useful as an antireflection film and is applied to various display devices. Thereby, the visibility can be improved.
- the liquid resin composition of the present invention contains the following components (A), (B), (C) and (D). Have.
- (C) metal oxide particles having a number average particle diameter of 100 nm or less
- the fluorine-containing polymer is a polymer having a carbon-fluorine bond in a molecule, and has a fluorine content of 30% by weight or more.
- any fluoropolymer having a hydroxyl group in the molecule can be suitably used.
- preferred fluoropolymers include those having a polysiloxane segment in the main chain, containing 10 to 50 mol% of a structural unit derived from a monomer containing a 7-acid group. Is mentioned.
- the fluorine-containing polymer preferably has a fluorine content of 30% by weight or more and a number average molecular weight in terms of polystyrene of 500 or more.
- This fluoropolymer is an olefin polymer having a polysiloxane segment represented by the following general formula (1) in the main chain, and the proportion of the polysiloxane segment in the fluoropolymer is usually 0.1 to 0.1. 20 mol%.
- R 1 and R 2 may be the same or different and represent a hydrogen atom, an alkyl group, a halogenated alkyl group or an aryl group.
- the fluorine-containing polymer preferably has a fluorine content of 30% by weight or more, more preferably 40 to 60% by weight, and further obtains a polystyrene obtained by gel permeation chromatography.
- the number average molecular weight by conversion is preferably 5,000 or more, more preferably 100,000 to 500,000.
- the fluorine content is a value measured by the Arizarin Complexon method, and the number average molecular weight is a value when tetrahydrofuran is used as a developing solvent.
- the fluorinated polymer is (a) a fluorine-containing olefin compound (hereinafter referred to as “(a) Ingredients “. ), (B) a monomeric compound containing a hydroxyl group copolymerizable with the component (a) (hereinafter referred to as “component (b)”), and (c) an azo group-containing polysiloxane compound (hereinafter “( c) component) and, if necessary, (d) a reactive emulsifier (hereinafter referred to as “component (d)”), and Z or (e) copolymerizable with the component (a) ( b) It can be obtained by reacting a monomer compound other than the components.
- fluorine-containing olefin compound as the component (a) examples include compounds having at least one polymerizable unsaturated double bond and at least one fluorine atom. Specific examples thereof include, for example, (1) Fluoroolefins such as tetrafluoroethylene, hexafluoropropylene and 3,3,3-trifluoropropylene; (2) Perfluoro (alkylpinyl ether) s or Perfluoro (alkoxyalkyl vinyl ether) s (3) Perfluoro (methyl vinyl ether), perfluoro (ethyl vinyl ether), perfluoro (propyl vinyl ether), perfluoro (butyl vinyl ether), perfluoro (isobutyl vinyl ether), etc.
- Fluoroolefins such as tetrafluoroethylene, hexafluoropropylene and 3,3,3-trifluoropropylene
- Examples of the monomer compound containing a hydroxyl group as the component (b) include (1) 2-hydroxyethyl vinyl ether, 3-hydroxypropyl vinyl ether,
- Hydroxyl-containing vinyl ethers such as 2-hydroxypropyl vinyl ether, 4-hydroxybutyl vinyl ether, 3-hydroxybutyl vinyl ether, 5-hydroxypentyl vinyl ether and 6-hydroxyhexyl vinyl ether;
- hydroxyl-containing aryl ethers such as 2-hydroxyethyl aryl ether, 4-hydroxybutyl aryl ether, and glyceryl monoallyl ether;
- aryl alcohol (3) aryl alcohol; (4) hydroxyethyl (meth) acrylate; and others. These compounds may be used alone or in combination of two or more. Can be used together. Preferred are hydroxyl group-containing alkyl vinyl ethers.
- Specific examples of the component (c) include a compound represented by the following general formula (2).
- Preferred combinations of the above-mentioned components (a), (b) and (c) are, for example, (1) fluoroolefin / hydroxyl-containing alkylvinyl ether z-polymethylsiloxane unit, (2) fluoroolefin / perfluoro (alkyl vinyl ester) (Tel) / hydroxyl-containing alkyl vinyl ether / polydimethylsiloxane unit, (3) Fluororefin Z-perfluoro (alkoxyalkylvinyl ether) / hydroxyl-containing alkylvinyl ether polydimethylsiloxane unit, (4) Fluoroolefin / perfluoro (alkyl vinyl ether) / hydroxyl-containing alkylbi Nyl ether / polydimethylsiloxane unit, (5) Fluororefin / perfluoro (alkoxyalkyl vinyl ether) ⁇ acid group-containing alkyl
- the structural unit derived from the component (a) is preferably from 20 to 70 mol%, more preferably from 25 to 65 mol%, particularly preferably from 30 to 60 mol%. is there.
- the proportion of the structural unit derived from the component (a) is less than 20 mol%, the fluorine content in the obtained fluoropolymer tends to be too low, and the cured product of the obtained liquid resin composition has a sufficient refractive index. It is hard to be low.
- the structural unit derived from the component (b) is preferably 10 to 50 mol%. More preferably, the lower limit is 13 mol% or more, even more preferably more than 20 mol% and 21 mol% or more, and preferably the upper limit is 45 mol% or less. It is preferably at most 35 mol%.
- the liquid resin composition By composing the liquid resin composition using such a fluoropolymer containing the component (b) in a predetermined amount, it is possible to achieve good scratch resistance and dust wiping properties in the cured product. .
- the proportion of the structural unit derived from the component (b) is less than 10 mol%, the solubility of the fluorinated polymer in an organic solvent is poor.
- the cured product of the composition has deteriorated optical properties of transparency and low reflectance! ).
- the azo group-containing polysiloxane compound of component (c) itself is a thermal radical generator and has a function as a polymerization initiator in a polymerization reaction to obtain a fluoropolymer, but other radical initiators are used. Agents can be used in combination.
- the proportion of the structural unit derived from the component (c) in the fluoropolymer is preferably 0.1 to 20 mol%, more preferably 0.1 to 20 mol%, of the polysiloxane segment represented by the general formula (1).
- the proportion is 1 to 15 mol%, particularly preferably 0.1 to 10 mol%, particularly preferably 0.1 to 5 mol%.
- the proportion of the polysiloxane segment represented by the general formula (1) exceeds 20 mol%, the obtained fluoropolymer has poor transparency, and when it is used as a coating agent, Repelling and the like easily occur during application.
- a reactive emulsifier as a monomer component as the component (d).
- the component (d) when the fluoropolymer is used as a coating agent, good coating properties and repelling properties can be obtained.
- the reactive emulsifier it is particularly preferable to use a nonionic reactive emulsifier.
- the nonionic reactive emulsifier include, for example, compounds represented by the following general formula (3) or (4).
- ⁇ ⁇ H20 (Cn2) m CH2 CH2,
- R 3 OCH 2 —CH—CH (OCH 2 CH 2 ) s OH
- m and s are the same as those in the general formula (3).
- R 3 is an alkyl group which may be linear or branched, and is preferably an alkyl group having 1 to 40 carbon atoms.
- the proportion of the constituent unit derived from the component (d) is preferably from 0 to 10 mol%, more preferably from 0.1 to 5 mol%, particularly preferably from 0.1 to 1 mol%. It is. If this proportion exceeds 10 mol%, the resulting liquid resin composition becomes tacky, which makes it difficult to handle and reduces the moisture resistance when used as a coating agent.
- the monomer components other than the component (b) copolymerizable with the component (a) include (1) methyl vinyl ether, ethyl vinyl ether, n-propyl vinyl ether, and isopropyl vinyl ether. N-butyl vinyl ether, isobutyl vinyl ether, tert-butyl vinyl ether, n-pentyl vinyl ether, n_hexyl vinyl ether, n-octyl vinyl ether, n-dodecyl Alkyl vinyl ethers such as vinyl ether, 2-ethylhexyl vinyl ether, cyclohexyl vinyl ether, or cycloalkyl vinyl ethers; (2) Biel acetate, vinyl propionate, vinyl butyrate, vinyl pivalate, caproic acid Carboxylic acid vinyl esters such as vinyl, vinyl versatate, and vinyl stearate; (3 ) Methyl (meth) acrylate, ethyl
- the ratio of the constituent unit derived from the component (e) is preferably 0. 770 mol%, and more preferably 5 to 35 mol%. If this proportion exceeds 70 mol%, the resulting liquid resin composition becomes tacky, which makes it difficult to handle, and reduces the moisture resistance when used as a coating agent.
- preferred combinations of the component (a), the component (b), the component (c), the component (d) and the component (e) are as follows.
- Fluororefin / Hydroxyl-containing vinyl ether / polydimethylsiloxane unit / Nonionic reactive emulsifier / alkyl vinyl ether (2) Fluororefin Z-perfluoro (alkylpier ether) / Hydroxyl-containing vinyl ether Z polydimethylsiloxane unit / Nonionic reactive emulsifier / alkyl vinyl ether, (3) Fluoroolefin / perfluoro (alkoxyalkyl vinyl ether) / hydroxyl group-containing vinyl ether nopolydimethylsiloxane unit / 7 nonionic reactive emulsifier Z alkyl vinyl ether, (4) Fluororefin / perfluoro (Alkyl vinyl ether) / hydroxyl group-containing vinyl ether / polydimethylsiloxane unit / nonionic reactive emulsifier / alkyl bier ether, (5) Fluororefin Z
- radical polymerization initiator examples include: (1) diasiloxides such as acetyl peroxide and benzoyl peroxide; (2) methylethyl ketone peroxide and cyclohexanone peroxide.
- Hydroperoxides such as hydrogen peroxide, tert-butyl hydroperoxide and cumene hydroperoxide; (4) G-tert-butyl peroxide; Dialkyl peroxides such as dicumylperoxide and dilauroyl peroxide; (5) peroxyesters such as tert-butylperoxyacetate and tert-butylvaloxypivalate; (6) azobisisobutyronitrile Azo compounds such as azobisisovaleronitrile; (7) Can be cited other; sulfate Anmoniumu, persulfate sodium persulfate salts such as potassium persulfate.
- radical polymerization initiator examples include, for example, perfluoroethyl iodide, perfluoropropyl iodide, perfluorobutyl iodide , (Perfluorohexyl) ethyl iodide, perfluorohexyl iodide, 2- , Perfluorodecyl iodide, 2- (perfluorodecyl) ethyl iodide, heptafluoro-2-propane, 3-fluoropropane 3-methylbutyl iodide, perfluoro-1-methylhexyl iodide, 2- (perfluoro-5-methylhexyl) ethyl iodide, perfluoro-7-methyl-2-octyl iodide, 2- (perfluoro-1 7 _methyloctyl) ethyl iodide, perflufluoro-1
- any of an emulsion polymerization method, a suspension polymerization method, a bulk polymerization method, and a solution polymerization method using a radical polymerization initiator can be used.
- an appropriate operation can be selected from a batch operation, a semi-continuous operation, a continuous operation, or the like.
- the polymerization reaction for obtaining the fluoropolymer is preferably performed in a solvent system using a solvent.
- preferred organic solvents include: (1) esters such as ethyl acetate, butyl acetate, isopropyl acetate, isoptyl acetate, and cellosolve acetate; (2) acetone, methyl ethyl ketone, methyl isobutyl ketone, and cyclohexane.
- Ketones such as xanone; (3) cyclic ethers such as tetrahydrofuran and dioxane; (4) amides such as N, N-dimethylformamide and N, N-dimethylacetamide; (5) toluene and xylene Aromatic hydrocarbons; and others. Further, if necessary, alcohols, aliphatic hydrocarbons and the like can be mixed and used.
- the fluorinated polymer obtained as described above reacts with the reaction solution obtained by the polymerization reaction.
- the liquid can be used as it is as the liquid resin composition, but the polymerization reaction solution may be subjected to appropriate post-treatment.
- the post-treatment for example, a general reprecipitation method typified by a purification method in which a polymerization reaction solution is added dropwise to an insolubilizing solvent for the fluoropolymer made of alcohol or the like to solidify the fluoropolymer. Then, by dissolving the obtained solid copolymer in a solvent, a solution of the fluoropolymer can be prepared. Further, a solution obtained by removing the residual monomer from the polymerization reaction solution can be used as it is as a solution of the fluoropolymer.
- the stiffening compound may be simply included as a mixture with the fluorinated polymer, or may be a reaction product obtained by reacting all of the fluorinated polymer and the curable compound, or a reaction product thereof. You may include the thing which made only a part react.
- Examples of the dangling compound include various amino compounds, various hydroxyl-containing compounds such as pentaerythritol, polyphenol, and glycol, and the like.
- the amino compound used as the curable compound includes an amino group capable of reacting with a hydroxyl group present in the fluoropolymer, for example, at least one of a hydroxyalkylamino group and an alkoxyalkylamino group, or both. It is a compound to be contained, and specific examples thereof include a melamine-based compound, a urea-based compound, a benzoguanamine-based compound, and a glycolperyl-based compound.
- the melamine-based compound is generally known as a compound having a skeleton in which a nitrogen atom is bonded to a triazine ring, and specific examples thereof include melamine, alkylated melamine, methylolmelamine, and alkoxylated methylmelamine.
- specific examples thereof include melamine, alkylated melamine, methylolmelamine, and alkoxylated methylmelamine.
- one molecule has one or both of a methylol group and an alkoxylated methyl group in a total of two or more.
- a methylolated melamine, an alkoxylated methylmelamine, or a derivative thereof obtained by reacting melamine with formaldehyde under basic conditions is preferable, and particularly, a good storage stability for a liquid resin composition.
- Alkoxy methyl melamine is preferable in that the above-mentioned is obtained and in that a good reactivity is obtained.
- methylolated melamine and the alkoxylated methylmelamine used as the curable compound There are no particular restrictions on the methylolated melamine and the alkoxylated methylmelamine used as the curable compound.
- resinous materials obtained by the method described in “Urea 'Melamine Resin” (Nikkan Kogyo Shimbun) can be used.
- urea-based compound examples include, in addition to urea, polymethylolated urea, an alkoxylated methyl urea which is a derivative thereof, methyl alcohol having an ox ring, methyl alcohol, and alkoxylated methyl perone.
- urea derivatives various resinous substances described in the above-mentioned documents can be used.
- the amount of the curable compound contained in 100 parts by weight of the solid content of the liquid resin composition is preferably 70 parts by weight or less, more preferably 3 to 50 parts by weight, and particularly preferably 5 to 50 parts by weight. 30 parts by weight. If the amount of the curable compound used is too small, the durability of the thin film formed from the obtained liquid resin composition may be insufficient, and if it exceeds 70 parts by weight, the reaction with the fluoropolymer may occur. In such cases, it is difficult to avoid gelling, and the hard stuff may become brittle.
- the reaction between the fluoropolymer and the curable compound can be performed, for example, by adding the curable compound to a solution of an organic solvent in which the fluoropolymer is dissolved, and homogenizing the reaction system by heating, stirring, etc. for an appropriate time. You can do it while doing it.
- the heating temperature for this reaction is preferably in the range of 30 to 150 ° C, more preferably in the range of 50 to 120 ° C. When the heating temperature is lower than 30 ° C, the reaction proceeds extremely slowly. When the heating temperature is higher than 150 ° C, in addition to the intended reaction, the methyl alcohol group in the toughened compound can be alkoxylated.
- the progress of the reaction can be quantitatively determined by quantifying the methylol group or alkoxylated methyl group by infrared spectroscopy or by collecting the dissolved polymer by reprecipitation and measuring the increase. Confirmation can be performed.
- the reaction solution of the fluoropolymer and the curable compound obtained in this manner can be used as it is as a solution of the liquid resin composition, or various additives can be added as necessary. You can also use it after doing.
- (C) metal oxide particles having a number average particle diameter of 100 nm or less
- metal oxide particles preferably, titanium oxide, zirconium oxide (zirconia), tin oxide containing antimony, indium oxide containing tin, and silicon dioxide (silicon dioxide) are used. Rica), aluminum oxide (alumina), cerium oxide, zinc oxide, tin oxide, antimony-containing oxidized zinc and indium-containing oxidized zinc selected from particles mainly containing one or more metal oxides it can.
- metal oxide particles having a multilayer structure in which metal oxide particles are coated with one or more of the above-mentioned metal oxides other than the metal oxide can also be used.
- the metal oxide particles having a multilayer structure include silica-coated titanium oxide particles, alumina-coated titanium oxide particles, and zirconia-coated titanium oxide particles.
- metal oxide particles particles mainly composed of silicon dioxide, particles mainly composed of titanium oxide, or particles coated with silicon dioxide are particularly preferable.
- metal oxide particles having a multilayer structure By using metal oxide particles having a multilayer structure, the photocatalytic activity of titanium oxide can be suppressed, and decomposition of a cured product can be suppressed. As a result, a cured film having a high refractive index and excellent light resistance ⁇ fe can be obtained.
- antimony-containing oxidized tin particles or the like, an antistatic property can be imparted to the oxidized film.
- ATO antimony-containing oxidized tin particles
- Known particles can be used as the particles containing silica as a main component.
- the shape of the particles is not limited to ordinary colloidal silica as long as the particles are spherical, and hollow particles, porous particles, core-shell particles, etc. It does not matter. Further, the particles are not limited to spherical particles, and may be irregular particles.
- the number average particle size determined by the dynamic light scattering method is :!
- the dispersion medium is preferably water or an organic solvent.
- Organic solvents include alcohols such as methyl alcohol, isopropyl alcohol, ethylene glycol, butanol, and ethylene glycol monopropyl ether; ketones such as methyl ethyl ketone and methyl isobutyl ketone; aromatics such as toluene and xylene Hydrocarbons; Amides such as dimethylformamide, dimethylacetamide, N-methylpyrrolidone; Esters such as ethyl acetate, butyl acetate, and haptyrolactone; Ethers such as tetrahydrofuran and 1,4-dioxane And the like. Among them, alcohols and ketones are preferable. These organic solvents can be used alone or as a mixture of two or more.
- silica-based particles include, for example, Nissan Chemical Industries, Ltd. Notex O (number average particle diameter 7 nm, solid content 20% by weight, pH 2.7 determined by dynamic light scattering method), Snowtex ⁇ L (number determined by dynamic light scattering method) Average particle diameter: 15 nm, solid content: 20% by weight, pH 2.5).
- a surface treatment such as chemical modification on the surface of the colloidal sily
- a hydrolyzable gay compound having one or more alkyl groups in the molecule or a hydrolyzate thereof is contained. And the like can be reacted.
- Such hydrolyzable silicon compounds include trimethylmethoxysilane, triptylmethymethoxysilane, butyltrimethoxysilane, octyltrimethoxysilane, dodecyltrimethoxysilane, 1,1,1-trimethoxy-2,2,2- Trimethyl-disilane, hexamethyl-1,3-disiloxane, 1,1,1-trimethoxy-3,3,3-trimethyl-1,3-disiloxane, ⁇ -trimethylsilyl ⁇ -dimethylmethoxysilyl-poly Examples include dimethylsiloxane, a-trimethylsilyl- ⁇ -trimethoxysilyl-polydimethylsiloxanehexamethyl-1,1,3-disilazane, and the like.
- hydrolyzable silicon compound having one or more reactive groups in the molecule can also be used.
- Hydrolyzable Gay-containing compound having one or more reactive groups in the molecule as having Nyuita 2 group, for example, as reactive groups, urea propyltrimethoxysilane, ⁇ - (2- Aminoechi Le) Single 3 ⁇
- 3-thiocyanatepropyltrimethoxysilane, etc. having a thiocyanate group 3- (glycidoxypropyl) trimethoxysilane, 2- (3,4-epoxycyclohexyl) having an epoxy group, etc.
- 3-mercaptopropyl trimer which has a thiol group such as ethyltrimethoxysilane And the like can be given Kishishiran.
- Preferred compounds include 3-mercaptopropyltrimethoxysilane.
- the usage ratio of the metal oxide particles contained in the solid content of 100 parts by weight of the liquid resin composition is preferably 10 to 100 parts by weight, and more preferably 10 to 80 parts by weight. .
- the number average particle diameter of the metal oxide particles is 100 nm or less. If the number average particle size exceeds 10 O nm, it may be difficult to uniformly disperse the metal oxide particles. In addition, the metal oxide particles are liable to settle, and the storage stability is poor. Furthermore, the transparency of the obtained cured film may decrease, and the turbidity (Haze value) may increase.
- the number average particle diameter is more preferably from 10 to 80 nm, and even more preferably from 20 to 50 nm.
- the “number average particle diameter” is the primary particle diameter when the metal oxide particles are agglomerated, and when the metal oxide particles are not spherical (for example, acicular ATO), the long diameter (vertical length) ) And the minor axis (horizontal).
- the solvent for the liquid resin composition can usually contain the solvent used for producing the fluoropolymer as it is.
- a solvent can be separately added and blended for the purpose of improving the applicability of the liquid resin composition and other purposes.
- Preferred solvents contained in the liquid resin composition of the present invention include ketones such as methyl ethyl ketone, methyl isobutyl ketone and cyclohexanone, and esters such as ethyl acetate and butyl acetate. it can.
- the solution of the liquid resin composition of the present invention may contain a solvent that cannot dissolve the fluoropolymer, for example, a poor solvent such as water, alcohols, and ethers, as long as the fluoropolymer is not precipitated. Can be used together.
- the solution of the fluoropolymer may have good storage properties and favorable coating properties.
- poor solvents include ethyl alcohol, isopropyl alcohol, tert-butyl alcohol, ethyl sorb, butyl sorb, and the like.
- the liquid resin composition of the present invention includes, for example, various polymers having a hydroxyl group, for the purpose of improving the coating properties of the liquid resin composition and the physical properties of the thin film after curing, and imparting photosensitivity to the coating film.
- Contains colorants such as monomers, pigments or dyes, stabilizers such as antioxidants and ultraviolet absorbers, various additives such as thermal acid generators, photosensitive acid generators, surfactants, and polymerization inhibitors Can be done.
- the hardness of the formed cured film It is preferable to add a thermal acid generator or a photoacid generator for the purpose of improving the durability and durability of the liquid resin composition. It is preferable to select one that dissolves.
- Examples of the polymer having a hydroxyl group that can be blended in the liquid resin composition of the present invention include, for example, a polymer obtained by copolymerizing a hydroxyl group-containing copolymerizable monomer such as hydroxyethyl (meth) acrylate; As a nopolak resin or a resol resin, a resin having a known phenol skeleton can be used.
- Examples of the colorant that can be added to the liquid resin composition of the present invention include: (1) extender pigments such as alumina white, clay, barium carbonate, and barium sulfate; (2) zinc white, lead white, graphite, Inorganic pigments such as lead red, ultramarine, navy blue, titanium oxide, zinc chromate, red iron, car pump rack, etc .; (3) Brilliant power min 6B, permanent tread 6B, permanent red R, benzine yellow, Organic pigments such as phthalocyanine blue and phthalocyanine green; (4) basic dyes such as magenta and rhodamine; (5) direct dyes such as direct scarlet and direct orange; (6) mono-serine and metal yellow Acid dyes, etc .; and others.
- extender pigments such as alumina white, clay, barium carbonate, and barium sulfate
- zinc white, lead white, graphite Inorganic pigments such as lead red, ultramarine, navy blue, titanium oxide, zinc chromate, red iron
- Stabilizers such as anti-aging agents and ultraviolet absorbers
- anti-aging agent examples include, for example, di-tert-butylphenol, pyrogallol, benzoquinone, hydroquinone, methylene blue, tert-butylcatechol, monobenzyl ether, methylhydroquinone, amylquinone, aminoxhydroquinone, n-butylphenol, Phenol, hydroquinone monop Methyl pyrether, 4,4 '-[1- (4- (1- (4-hydroxyphenyl) -11-methylethyl) phenyl] ethylidene] diphenol, 1,1,3-tris ( 2,5-dimethyl-14-hydroxyphenyl) _3-phenylpropane, diphenylamines, phenylenediamines, phenothiazine, mercaptobenzimidazole, and the like.
- the ultraviolet absorber include, for example, salicylic acid-based ultraviolet absorbers represented by phenyl salicylate, benzophenone-based ultraviolet absorbers such as dihydroxybenzophenone, 2-hydroxy-4-methoxybenzophenone, and benzotobenzoate.
- sunscreenlic acid-based ultraviolet absorbers represented by phenyl salicylate
- benzophenone-based ultraviolet absorbers such as dihydroxybenzophenone, 2-hydroxy-4-methoxybenzophenone
- benzotobenzoate benzotobenzoate.
- Ultraviolet absorbers used as additives for various plastics such as azo ultraviolet absorbers and cyanoacrylate ultraviolet absorbers, can be used.
- the thermal acid generator that can be added to the liquid resin composition of the present invention is intended to improve the heating conditions to be milder when a coating film or the like of the liquid resin composition is heated and cured.
- Is a substance that can be Specific examples of the thermal acid generator include various aliphatic sulfonic acids and salts thereof, various aliphatic acids such as citric acid, acetic acid, and maleic acid, and various aromatic compounds such as rubonic acid and salts, benzoic acid, and phthalic acid.
- Aromatic carboxylic acids and their salts, alkylbenzene sulfonic acids and their ammonium salts, various metal salts, phosphoric acid and phosphoric acid esters of organic acids and the like can be mentioned.
- the use ratio of this thermal acid generator contained in 100 parts by weight of the solid content of the liquid resin composition is preferably 0 to 10 parts by weight, and more preferably 0.1 to 5 parts by weight. If this ratio is excessively large, the storage stability of the liquid resin composition deteriorates, which is not preferable.
- the photosensitive acid generator that can be added to the liquid resin composition of the present invention imparts photosensitivity to a coating film of the liquid resin composition, and for example, the coating film is irradiated with radiation such as light.
- a substance that allows the film to be photocured examples include: (1) various onium salts such as eodonium salt, sulfonium salt, phosphonium salt, diazonium salt, ammonium salt, and pyridinium salt; (2) / 3-ketoester, ⁇ -sulfonylsulfone and the like.
- Sulfonic compounds such as alkyl sulfonates, haloalkyl sulfonates, aryl sulfonates, imino sulfonates, etc .; (4) General formula (5) (5) Diazomethane compounds represented by the following general formula (6); and others.
- X represents a divalent group such as an alkylene group, an arylene group, or an alkoxylene group
- R 4 represents a monovalent group such as an alkyl group, an aryl group, a halogen-substituted alkyl group, or a halogen-substituted aryl group. Is shown.
- R 5 and R 6 may be the same or different, and represent a monovalent group such as an alkyl group, an aryl group, a halogen-substituted alkyl group, and a halogen-substituted aryl group.
- the photosensitive acid generator may be used alone or in combination of two or more, and may be used in combination with the above-mentioned thermal acid generator.
- the proportion of the photosensitive acid generator to 100 parts by weight of the solid content of the liquid resin composition is preferably 0 to 20 parts by weight, more preferably 0.1 to 10 parts by weight. If this ratio is too large, the strength of the cured film will be inferior and the transparency will be reduced, which is not preferable.
- a surfactant can be added to the liquid resin composition of the present invention for the purpose of improving the coatability of the liquid resin composition.
- known surfactants can be used. Specifically, for example, various anionic surfactants, cationic surfactants, and nonionic surfactants can be used.
- a cationic surfactant in order to make the cured film have excellent strength and good optical characteristics.
- a quaternary ammonium salt is preferable, and among them, the use of a quaternary polyether ammonium salt is particularly preferable in that dust wiping properties are further improved.
- Examples of the cationic surfactant which is a quaternary polyether ammonium salt include Adekol CC-15, CC-136, CC-42, etc. manufactured by Asahi Denka Kogyo Co., Ltd.
- the use ratio of the surfactant is preferably 5 parts by weight or less based on 100 parts by weight of the liquid resin composition.
- thermal polymerization inhibitor examples include, for example, pyrogallol, benzoquinone, hydroquinone, methylene blue, tert-butylcatechol, monobenzyl ether, methylhydroquinone, amylquinone, and amixixyhydroquinone.
- N_butylphenol phenol, hydroquinone monopropyl ether, 4,4 '-[1- [1- (1- (4-hydroxyphenyl) 1-1-methylethyl) phenyl] ethylidene] diphenol, 1,1,3 _ Tris (2,5-dimethyl-4-hydroxyphenyl) -13-phenylpropane.
- This thermal polymerization inhibitor is preferably used in an amount of 5 parts by weight or less based on 100 parts by weight of the liquid resin composition.
- a cured film is formed from the liquid resin composition of the present invention, it is preferable to coat a substrate (applied member).
- a coating method include a dipping method, a spray method, a vacuum coating method, a mouth coating method, a spin coating method, a force coating method, a gravure printing method, a silk screen method, and an ink jet method. Can be used.
- the means for curing the liquid resin composition is not particularly limited, but, for example, heating is preferable. In this case, it is preferable to heat at 30 to 200 ° C. for 1 to 180 minutes. By heating in this manner, a cured film having excellent antireflection properties can be obtained more efficiently without damaging the cured film formed on the substrate.
- the mixture is heated at 50 to 180 ° C for 2 to 120 minutes, more preferably at 80 to L; and at 50 ° C for 5 to 60 minutes.
- an ultraviolet irradiation device metal halide lamp, high-pressure mercury lamp, etc.
- a light irradiation condition of 0.001 to 10 JZ cm 2
- the irradiation condition is It is not limited to this. 0.1 to 5 JZ cm 2 is more preferable, and 0.1 to 3 J cm 2 is more preferable.
- the degree of curing of the cured film can be determined by, for example, when a melamine compound is used as the curable compound, the amount of the methylol group or the alkoxylated methyl group of the melamine compound is analyzed by infrared spectroscopy, Measuring using a Soxhlet extractor Can be confirmed quantitatively.
- the metal oxide particles (C) are unevenly distributed on the undercoating side (near the boundary with the adjacent layer) or on the opposite side. . Therefore, near the one side of the cured film, the metal oxide particles are present at a high density, and near the other surface of the cured film, the metal oxide particles are substantially absent or are present at a lower density. Therefore, a resin layer having a low refractive index is formed. Therefore, by curing one liquid resin composition, a cured film having a substantially two-layer structure can be obtained.
- the cured film of the present invention comprises a low-refractive-index layer substantially composed of only the components (A) and (B) and a high-refractive-index layer composed of the components (A), (B) and (C). It can have a refractive index layer.
- the refractive index of the obtained cured film changes in the thickness direction by 0.05 to 0.8, more preferably 0.1 to 0.6. Further, it is preferable that the refractive index change has a major change near the boundary of the substantial two-layer structure.
- the degree of change in the refractive index can be adjusted by the content and type of the metal oxide particles, the content and composition of the fluoropolymer, and the content and type of the curable compound.
- the refractive index in the low refractive index portion of the cured film is, for example, 1.3 to 1.5, and the refractive index in the high refractive index portion is 1.6 to 2.2.
- the liquid resin composition of the present invention can be applied to various substrates in the form of a solution, and a laminate can be obtained by curing the obtained coating film.
- a laminate can be obtained by curing the obtained coating film.
- the substrate is a transparent substrate, an excellent antireflection film is formed.
- the specific structure of the antireflection film is generally a laminate of a base material, a high refractive index film, and a low refractive index film in this order.
- the cured film obtained by curing the liquid resin composition of the present invention can form a high-refractive-index layer and a low-refractive-index layer on a base material in one step, thereby simplifying the manufacturing process. Can be.
- the thickness of the cured film of the present invention in the antireflection film is, for example, 0.05 to 50 m, but is not limited thereto.
- the transparent base material include, for example, triacetyl cellulose, polyethylene terephthalate resin (Lumila 1 manufactured by Toray Industries, Inc.), glass, polycarbonate resin, acrylic resin, styryl resin, arylate resin, norpolene resin ( JS R, Inc., etc.), methyl methacrylate / styrene copolymer resin, and polyolefin resin (such as ZONEX, manufactured by Nippon Zeon Co., Ltd.).
- triacetyl cellulose, polyethylene terephthalate resin (Lumila, etc., manufactured by Toray Industries, Inc.), and norpolene resin (Arton, manufactured by JSR Corporation) are preferable.
- another layer may be interposed between the base material and the cured film.
- a hard coat layer a medium refractive index layer (refractive index: 1.5 to 1.7), and a low refractive index layer ( Layers such as a combination of 1.3 to 1.5) and a high refractive index layer (1.6 to 2.2) can be provided.
- an antistatic layer can be provided. In this case, an antireflection film having antistatic properties can be obtained without adding conductive particles such as ATO particles to a cured film obtained by curing the liquid resin composition of the present invention. it can.
- the antistatic layer is obtained by depositing or sputtering a metal oxide particle having conductivity such as ATO, or a curable film to which an organic or inorganic conductive compound is added, or the metal oxide.
- Metal oxide film and a film made of a conductive organic polymer examples include a polyacetylene-based conductive polymer, a polyaniline-based conductive polymer, a polythiophene-based conductive polymer, a polypyrrole-based conductive polymer, and a polyolefin-vinylene-based conductive polymer. Examples thereof include polythiophene-based conductive polymers such as polythiophene.
- One of these layers may be formed, or two or more different layers may be formed.
- a known coating method can be used, and in particular, various methods such as a dip method, an all-in-one method, and a printing method can be applied.
- the curing reaction in order to cure the coating film of the liquid resin composition formed by coating to form a cured film having excellent optical properties and durability, it is particularly preferable to provide a heat history by heating.
- a thermal acid generator as a curing catalyst, the curing reaction can be further promoted.
- the curing catalyst is not particularly limited, and it is possible to use the above-mentioned various acids and salts thereof which are used as hardeners for general urea resins, melamine resins, and the like. In particular, an ammonium salt can be preferably used.
- the heating conditions for the curing reaction can be appropriately selected, but the heating temperature must be lower than the heat-resistant limit temperature of the substrate to be coated.
- the cured film obtained by stiffening the liquid resin composition of the present invention can form a high-refractive index layer and a low-refractive index layer in a single application step, so that the production process of the cured film is simplified.
- the scratch resistance of the cured film can be improved.
- the laminate of the present invention can be used for, for example, optical components such as a lens and a selective transmission film filter other than the antireflection film.
- silica-coated fine powder of titanium oxide 350 parts by weight of silica-coated fine powder of titanium oxide, 80 parts by weight of ethylene oxide-propylene oxide copolymer (average degree of polymerization: about 20), 100 parts by weight of isopropyl alcohol
- S-1 silica-coated titanium oxide particle dispersion
- the silica-coated T I_ ⁇ 2 Particle Dispersion - 1 was weighed into a porcelain crucible, 8 0 ° after 3 0 min pre-dried on a hot plate of C, 7 5 0 ° C 1 hour Matsufuru oven at Firing was performed, and the inorganic content in the total solid content was determined from the amount of the obtained inorganic residue and the total solid concentration, and was found to be 82% by weight.
- methanol Ichiru 14 kg performs temperature 50 ° C, the circulation flow rate 50 l Z min, concentrated using the ultrafiltration membrane module and ultrafiltration membrane at a pressure 1 kg / cm 2
- the operation of draining 14 kg of filtrate was repeated 6 times, resulting in a solid content of 30% by weight, a water content of 1.5% by weight as determined by the Karl Fischer method, and a number average particle size as determined by the dynamic light scattering method.
- a 20 kg of methanol-dispersed colloidal silica having a particle size of 11 nm was prepared.
- the average permeation flow rate for the six runs was 60 kg / m 2 / hour, and the required time was 6 hours.
- the specific surface area of the BET method of the resultant main evening Nord-dispersed colloidal silica 237MVg, silanol group concentration on the silica particles determined by a methyl red adsorption method was 3. 5 X 10- 5 mol Zg.
- the average permeation flow rate for five runs was 70 kg / m 2 Z hours, and the required time was 4 hours.
- the specific surface area of the obtained MEK-dispersed colloidal silica by the BET method was 230 m 2 Zg, and the silanol concentration on the silica particles determined by the methyl red adsorption method was 1.8 ⁇ 10 15 mol / g.
- the metal content of the MEK-dispersed hydrophobized colloidal silicide solvent determined by atomic absorption spectrometry was extremely small, with Na at 0.05 ppm and Ca and K at 0.001 ppm.
- the obtained polymer had a polystyrene-equivalent number average molecular weight (Mn) of 48000 by gel permeation chromatography, a glass transition temperature (Tg) of 26.8 ° C by DSC, and fluorine by Alizarin complexon method. It was confirmed that the content was 50.3%.
- Table 1 shows the compositions of the liquid resin compositions of Examples 1 and 2, and the total solid content concentration.
- Examples 3 to 4 show production examples of the cured film of the present invention.
- Example 1 The liquid resin composition prepared in Example 1 was easily adhered to the single-sided polyethylene terephthalate film A4100 (manufactured by Toyobo Co., Ltd., having a film thickness of 188 m) using a wire barco (# 3). It was applied to the treated or untreated surface and dried in an oven at 120 ° C for 10 minutes to obtain a cured film having a thickness of 0.2.
- One side adhesive polyethylene terephthalate film A4100 (manufactured by Toyobo Co., Ltd., film thickness of 188 / zm) was easily bonded to the liquid resin composition prepared in Example 2 using a wire barco (# 3). It was applied to the treated or untreated surface and dried in an oven at 120 ° C for 10 minutes to obtain a cured film having a thickness of 0.1 m.
- the cured layer of the liquid resin composition of the present invention is clearly separated into a layer having metal oxide particles at a high density and a layer substantially free of metal oxide particles.
- X metal oxide particles are substantially uniformly distributed.
- the turbidity (Haze value) of the obtained laminate was measured using a Haze meter and evaluated according to the following criteria. Table 2 shows the obtained results.
- ⁇ Haze value is 3% or less.
- X Haze value is 5% or more.
- the obtained cured film was subjected to a grid test in accordance with JIS K 5400, and evaluated according to the following criteria. Table 2 shows the obtained results.
- the anti-reflection property of the obtained anti-reflection laminate was measured using a spectral reflectance measuring device (a self-recording spectrophotometer U-3410 incorporating a large sample chamber accessory device 150-09090, manufactured by Hitachi, Ltd.).
- the reflectance was measured and evaluated in the wavelength range of 340 to 70 Onm. Specifically, the reflectance of the anti-reflection laminate (anti-reflection film) at each wavelength was measured based on the reflectance (100%) of the aluminum deposited film, and the reflectance of the light at a wavelength of 55 Onm was measured. From the reflectance, the antireflection property was evaluated according to the following criteria.
- the reflectance is 0.5% or less.
- the reflectance is 2% or less.
- Hardening ⁇ Mo steel wool resistance test was carried out in the following manner. That is, steel wool (Bonstar No. 0000, manufactured by Nippon Steel Wool Co., Ltd.) was attached to a Gakushin-type friction fastness tester (AB_301, manufactured by Tester Sangyo Co., Ltd.), and the surface of the cured film was subjected to a load of 200 g. Rubbing was repeated 10 times under the conditions described above, and the presence or absence of scratches on the surface of the cured film was visually checked according to the following criteria.
- the entire surface of the cured film is uniformly folded with a nonwoven fabric (BEMCOT S-2 manufactured by Asahi Kasei Kogyo Co., Ltd.) five times, and then the shredded cellulose fibers are dispersed and adhered. The sample surface was then wiped with a clean nonwoven. The remaining amount of the chopped fibers adhering to the surface of the cured film was visually confirmed according to the following criteria. A: Shredded fibers are almost completely wiped off.
- the stiffened film obtained by stiffening the liquid resin composition of the present invention can form a low-refractive index layer and a high-refractive index layer in one coating step, and thus has a two-layer structure. Can be simplified. Therefore, the liquid resin composition of the present invention can be advantageously used particularly for forming an optical material such as an antireflection film and an optical fiber sheath material. It can be suitably used as a coating material, a weather-resistant film material, a coating material, and the like for the required base material. Moreover, the cured film has excellent adhesion to the substrate, high scratch resistance, and imparts a good antireflection effect, so that it is extremely useful as an antireflection film and is applied to various display devices. Thereby, the visibility can be improved.
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Abstract
Description
Claims
Priority Applications (4)
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KR1020057021622A KR100890126B1 (ko) | 2003-05-15 | 2004-05-07 | 액상 수지 조성물, 경화막 및 적층체 |
CNB2004800132344A CN100537654C (zh) | 2003-05-15 | 2004-05-07 | 液态树脂组合物、固化膜及层叠体 |
EP04731771A EP1624022A4 (en) | 2003-05-15 | 2004-05-07 | LIQUID RESIN COMPOSITION, HARDENED FILM AND LAMINATE |
US10/556,602 US20070172646A1 (en) | 2003-05-15 | 2004-05-07 | Liquid resin composition, cured film and laminate |
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JP2003424975A JP3960307B2 (ja) | 2003-05-15 | 2003-12-22 | 液状樹脂組成物、硬化膜及び積層体 |
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EP (1) | EP1624022A4 (ja) |
JP (1) | JP3960307B2 (ja) |
KR (1) | KR100890126B1 (ja) |
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KR100635412B1 (ko) * | 2002-10-29 | 2006-10-18 | 제이에스알 가부시끼가이샤 | 경화성 조성물 및 그것을 이용한 반사 방지용 적층체 |
JP2006209050A (ja) * | 2004-12-28 | 2006-08-10 | Jsr Corp | 反射防止膜 |
JP2006206832A (ja) * | 2005-01-31 | 2006-08-10 | Jsr Corp | 積層体の製造方法 |
JP4887937B2 (ja) * | 2005-07-01 | 2012-02-29 | Jsr株式会社 | 硬化性樹脂組成物及びそれからなる硬化膜 |
TWI403522B (zh) * | 2005-07-01 | 2013-08-01 | Jsr Corp | A hardened resin composition and a hardened film thereof |
JP2007017668A (ja) * | 2005-07-07 | 2007-01-25 | Konica Minolta Holdings Inc | 光学フィルム |
JP5244302B2 (ja) * | 2005-08-25 | 2013-07-24 | 富士フイルム株式会社 | 反射防止フィルムの製造方法 |
JP5075333B2 (ja) * | 2005-11-11 | 2012-11-21 | 富士フイルム株式会社 | 光学フィルム、偏光板、及び画像表示装置 |
US8557332B2 (en) | 2006-03-28 | 2013-10-15 | Fujifilm Corporation | Production method of optical film, optical film and image display |
KR101051228B1 (ko) * | 2006-05-29 | 2011-07-21 | 토요잉크Sc홀딩스주식회사 | 금속산화물 조성물, 경화막 및 적층체 |
JP5148846B2 (ja) * | 2006-07-13 | 2013-02-20 | 日揮触媒化成株式会社 | 透明被膜形成用塗料および透明被膜付基材 |
JP4900144B2 (ja) * | 2006-10-05 | 2012-03-21 | Jsr株式会社 | 積層体 |
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Also Published As
Publication number | Publication date |
---|---|
EP1624022A1 (en) | 2006-02-08 |
TW200502321A (en) | 2005-01-16 |
CN100537654C (zh) | 2009-09-09 |
JP2004359930A (ja) | 2004-12-24 |
KR20060015247A (ko) | 2006-02-16 |
KR100890126B1 (ko) | 2009-03-24 |
TWI332967B (ja) | 2010-11-11 |
EP1624022A4 (en) | 2009-06-10 |
US20070172646A1 (en) | 2007-07-26 |
CN1791635A (zh) | 2006-06-21 |
JP3960307B2 (ja) | 2007-08-15 |
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