WO2012096256A1 - エポキシ樹脂用架橋重合体粒子、エポキシ樹脂組成物、及びエポキシ硬化物 - Google Patents
エポキシ樹脂用架橋重合体粒子、エポキシ樹脂組成物、及びエポキシ硬化物 Download PDFInfo
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- WO2012096256A1 WO2012096256A1 PCT/JP2012/050274 JP2012050274W WO2012096256A1 WO 2012096256 A1 WO2012096256 A1 WO 2012096256A1 JP 2012050274 W JP2012050274 W JP 2012050274W WO 2012096256 A1 WO2012096256 A1 WO 2012096256A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1804—C4-(meth)acrylate, e.g. butyl (meth)acrylate, isobutyl (meth)acrylate or tert-butyl (meth)acrylate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/20—Aqueous medium with the aid of macromolecular dispersing agents
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1806—C6-(meth)acrylate, e.g. (cyclo)hexyl (meth)acrylate or phenyl (meth)acrylate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1811—C10or C11-(Meth)acrylate, e.g. isodecyl (meth)acrylate, isobornyl (meth)acrylate or 2-naphthyl (meth)acrylate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F222/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
- C08F222/10—Esters
- C08F222/1006—Esters of polyhydric alcohols or polyhydric phenols
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F224/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a heterocyclic ring containing oxygen
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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
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/02—Containers; Seals
- H01L23/10—Containers; Seals characterised by the material or arrangement of seals between parts, e.g. between cap and base of the container or between leads and walls of the container
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F222/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
- C08F222/10—Esters
- C08F222/1006—Esters of polyhydric alcohols or polyhydric phenols
- C08F222/102—Esters of polyhydric alcohols or polyhydric phenols of dialcohols, e.g. ethylene glycol di(meth)acrylate or 1,4-butanediol dimethacrylate
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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
- C08L2312/00—Crosslinking
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Definitions
- the present invention relates to a crosslinked polymer particle for epoxy resin, an epoxy resin composition containing the crosslinked polymer particle, an epoxy resin and a curing agent, and an epoxy cured product obtained by curing the resin composition.
- the epoxy cured product of the present invention is excellent in heat resistance, moisture resistance, light resistance, adhesion, transparency, and electrical characteristics, and also has no brittleness problem. It is useful as a sealing material for LEDs that emit light having a short wavelength.
- LEDs optical semiconductors
- resin sealing resin those containing an aromatic epoxy resin and an acid anhydride as a curing agent are generally used.
- an LED element using a nitride semiconductor can emit light with a short wavelength and high output.
- the epoxy cured product obtained by curing the sealing resin proposed in Patent Document 1 has poor crack resistance, and has a characteristic that it is liable to cause crack fracture due to, for example, a thermal cycle. It is not suitable for applications that require high reliability. In order to solve such a problem, a sealing resin excellent in crack resistance without impairing colorless transparency is desired.
- Patent Document 2 a resin composition containing rubber fine particles has been proposed (Patent Document 2).
- rubber fine particles that have rubber elasticity at room temperature or below have a large difference in refractive index between the rubber fine particles and the cured epoxy resin as a matrix resin at high temperatures due to the temperature dependence of the refractive index. It may be damaged.
- the present invention has been made in view of the above circumstances, and the crosslinked polymer particles for epoxy resin that improve the crack resistance of the epoxy cured product without impairing the colorless transparency, the crosslinked polymer particles and the epoxy resin It aims at providing the epoxy resin composition containing a hardening
- the present invention includes a (meth) acrylic acid ester monomer unit and a crosslinkable monomer unit, has a volume average primary particle size of 0.5 ⁇ m to 10 ⁇ m, and is a monomer component excluding the crosslinkable monomer.
- This is a crosslinked polymer particle for epoxy resin having a glass transition temperature of 30 ° C. or higher determined by the FOX formula and a refractive index of 1.490 to 1.510 at 23 ° C.
- the present invention is an epoxy resin composition
- an epoxy resin composition comprising the above-mentioned crosslinked polymer particles (C), an epoxy resin (A) and a curing agent for epoxy resin (B).
- this invention is an epoxy hardened material (especially LED sealing material) obtained by hardening
- crosslinked polymer particles for epoxy resin and the epoxy resin composition of the present invention it is possible to improve the crack resistance of the cured epoxy product without impairing the colorless transparency.
- the epoxy resin (A) used in the present invention typically has two or more epoxy groups in one molecule.
- Suitable epoxy resins (A) include, for example, bisphenol A type epoxy resin, bisphenol F type epoxy resin, bisphenol S type epoxy resin, orthocresol novolac type epoxy resin, alicyclic epoxy resin, triglycidyl isocyanurate, aliphatic Type epoxy resin. These may be used alone or in combination of two or more.
- alicyclic epoxy resins are preferred because they do not absorb short wavelength light and do not impair colorless transparency.
- Specific examples of the alicyclic epoxy resin include 3,4-epoxycyclohexylmethyl-3 ′, 4′-epoxycyclohexanecarboxylate (trade name Celoxide 2021), 3,4-epoxycyclohexylmethyl-3 ′, 4′- Dimer adduct of epoxycyclohexanecarboxylate and ⁇ -caprolactone (trade name Celoxide 2081), 1,2,8,9-diepoxy limonene (trade name Celoxide 3000) (both manufactured by Daicel Chemical Industries), bisphenol A-type hydrogenated alicyclic epoxy resins (trade names YX-8000, YX-8034: manufactured by Mitsubishi Chemical Corporation, trade names EPICLON 750: manufactured by Dainippon Ink & Chemicals, Inc.).
- the epoxy resin curing agent (B) used in the present invention causes a curing reaction with the epoxy resin (A).
- those with relatively little coloring are preferable.
- an acid anhydride curing agent is preferable, and an alicyclic acid anhydride curing agent is more preferable.
- Specific examples thereof include hexahydrophthalic anhydride, methylhexahydrophthalic anhydride, tetrahydrophthalic anhydride, and hydrogenated methylnadic acid anhydride. These may be used alone or in combination of two or more.
- the crosslinked polymer particle (C) of the present invention is used as a filler for an epoxy resin, and is a polymer particle containing a (meth) acrylic acid ester monomer unit and a crosslinkable monomer unit.
- the (meth) acrylic acid ester monomer unit preferably includes a monomer unit having a cycloalkyl group.
- the crosslinked polymer particles (C) do not absorb short-wavelength light and rarely impair the colorless transparency.
- Crosslinked polymer particles (C) can be obtained, for example, by polymerizing (meth) acrylic acid ester monomer (c1) and crosslinkable monomer (c2).
- (Meth) acryl is a generic term for “acryl” and “methacryl”.
- Examples of the (meth) acrylic acid ester monomer (c1) include methyl (meth) acrylate, ethyl (meth) acrylate, n-butyl (meth) acrylate, i-butyl (meth) acrylate, t-butyl (meth) ) (Meth) acrylates of linear alkyl alcohols such as acrylate, hexyl (meth) acrylate, 2-ethylhexyl (meth) acrylate and octyl (meth) acrylate; sulfonic acid group-containing monomers such as allyl sulfonic acid; Phosphoric acid group-containing (meth) acrylates such as (meth) acryloyloxyethyl acid phosphate; Carbonyl group-containing (meth) acrylates such as acetoacetoxyethyl (meth) acrylate; N-dimethylaminoethyl (meth) acryl
- crosslinkable monomer (c2) examples include alkylene glycol dimethacrylates such as ethylene glycol dimethacrylate, 1,3-butylene glycol dimethacrylate, 1,4-butylene glycol dimethacrylate, and propylene glycol dimethacrylate; allyl methacrylate; Examples thereof include polyvinylbenzene such as divinylbenzene and trivinylbenzene. These may be used alone or in combination of two or more.
- the crosslinked polymer particle (C) preferably further has at least one functional group selected from a carboxyl group, a hydroxyl group and a glycidyl group.
- the colorless transparency of the resulting epoxy cured product is further improved.
- these functional groups can react with the epoxy resin (A) or the curing agent for epoxy resin, the interfacial strength between the crosslinked polymer particles (C) and the matrix resin phase is further improved.
- the crosslinked polymer particle having such a functional group is, for example, a vinyl monomer (c3) having at least one functional group selected from a carboxyl group, a hydroxyl group and a glycidyl group at the time of polymerization of each monomer. It is obtained by using. From the viewpoint of ease of aqueous polymerization, the crosslinked polymer particles (C) preferably have a glycidyl group.
- Examples of the vinyl monomer (c3) having a carboxyl group as a functional group include acrylic acid, methacrylic acid, crotonic acid, maleic acid, itaconic acid, fumaric acid, isocrotonic acid, vinyloxyacetic acid, allyloxyacetic acid, 2- (meta ) Acrylylpropanoic acid, 3- (meth) acryloylbutanoic acid, 4-vinylbenzoic acid, 2-methacryloyloxyethylsuccinic acid, 2-methacryloyloxyethylmaleic acid, 2-methacryloyloxyethylphthalic acid, 2-methacryloyloxyethylhexa And hydrophthalic acid.
- Examples of the vinyl monomer (c3) having a hydroxyl group as a functional group include hydroxymethyl (meth) acrylate, 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, and 2-hydroxybutyl (meth).
- An acrylate is mentioned.
- Examples of the vinyl monomer (c3) having a glycidyl group as a functional group include glycidyl (meth) acrylate. These may be used alone or in combination of two or more. Of these, (meth) acrylic monomers such as methacrylic acid, 2-hydroxyethyl methacrylate, and glycidyl methacrylate are preferred.
- the content of the vinyl monomer (c1) having a cycloalkyl group is preferably 60 to 99.5% by mass, more preferably 69.9 to 99% by mass, based on 100% by mass of all monomers used.
- the content of the polyfunctional vinyl monomer (c2) is preferably 0.5 to 40% by mass, more preferably 0.9 to 30% by mass, based on 100% by mass of all monomers used.
- the content of the polyfunctional vinyl monomer (c2) is 0.5% by mass or more, the particles are unlikely to swell and the system tends not to thicken. On the other hand, if it is 40% by mass or less, the polymerization tends to be stable.
- the content of the vinyl monomer (c3) is preferably 0 to 50% by mass, more preferably 1 to 40% by mass, and particularly preferably 10 to 40% by mass in 100% by mass of the total monomers used.
- the content of the vinyl monomer (c3) is 0.1% by mass or more, the interface strength between the crosslinked polymer particles (C) and the matrix layer is improved. Moreover, it exists in the tendency for superposition
- a known polymerization method can be used.
- emulsion polymerization, soap-free polymerization, or seed emulsion polymerization, swelling polymerization, two-stage swelling polymerization, or fine suspension polymerization using polymer particles obtained by these polymerization methods as seeds may be mentioned.
- fine suspension polymerization is preferred.
- the fine suspension polymerization is, for example, a fine liquid having a particle size of 1.0 to 100 ⁇ m by forcibly emulsifying an aqueous mixture comprising a monomer, a surfactant, water and an oil-soluble initiator with a homogenizer, a homomixer or the like.
- a method of obtaining an emulsion in which crosslinked polymer particles (C) are dispersed by decomposing an oil-soluble initiator dissolved in the droplet by heating it and generating radicals to promote radical polymerization It is.
- any of anionic, cationic, and nonionic surfactants can be used.
- Anionic surfactants include, for example, carboxylates such as potassium oleate, sodium stearate, sodium myristate, sodium N-lauroyl sarcosinate and dipotassium alkenyl succinate; sulfate esters such as sodium lauryl sulfate and ammonium lauryl sulfate Salts; sulfonates such as sodium dioctylsulfosuccinate, ammonium di- (2-ethylhexyl) sulfosuccinate, sodium dodecylbenzenesulfonate, sodium alkyldiphenylether disulfonate; phosphate esters such as sodium polyoxyethylene alkyletherphosphate Can be mentioned.
- the amount of the surfactant used can be appropriately determined depending on the surfactant to be used, the type and blending ratio of the monomers, and the polymerization conditions. Usually, 0.1 mass part or more is preferable with respect to a total of 100 mass parts of monomers, and 0.5 mass part or more is more preferable. Moreover, in order to suppress the residual amount to a polymer, 10 mass parts or less are preferable, and 5 mass parts or less are more preferable.
- the oil-soluble initiator is typically a radical polymerization initiator having a solubility in water of less than 0.5% by mass.
- Specific examples thereof include azo radical polymerization initiators such as azonitrile, azoamide, cyclic azoamidine, azoamidine, and macroazo compounds; ketone peroxide, peroxyketal, hydroperoxide, dialkyl peroxide, diacyl peroxide, peroxyester, Examples thereof include peroxide radical polymerization initiators such as peroxydicarbonate.
- the amount of the oil-soluble initiator used is preferably 0.05 to 1.0 mass with respect to 100 mass parts of the total amount of monomers.
- the amount of water used in the aqueous mixture is preferably 50 to 1000 parts by mass with respect to 100 parts by mass of the total amount of monomers.
- an antioxidant or an additive may be added to the emulsion of the crosslinked polymer particles (C).
- Examples of a method for recovering the crosslinked polymer particles (C) as a powder from the emulsion in which the crosslinked polymer particles (C) are dispersed include salting out or acid precipitation aggregation, spray drying, freeze drying and the like.
- spray drying is preferable because the heat history applied to the particles can be reduced.
- the drying method of spray drying is not particularly limited, and a known method such as a two-fluid nozzle method, a pressure nozzle method, or a rotating disk method can be used.
- the outlet temperature of the drying chamber in spray drying is preferably 50 to 120 ° C, more preferably 60 to 100 ° C.
- group of the monomer component except the crosslinkable monomer of a crosslinked polymer particle (C) is 30 degreeC or more, Preferably it is 50 degreeC or more.
- the glass transition temperature is less than 30 ° C., for example, the relative refractive index between the crosslinked polymer particles (C) and the matrix resin exceeds the range of 0.99 to 1.01 under high temperature conditions. Transparency may be impaired.
- the glass transition points Tg1 of the respective homopolymers of the monomers (1) and (2) And Tg2 the glass transition point Tg of the copolymer composed of the two components of the monomers (1) and (2) can be obtained as a calculated value by the FOX equation (which is an example of the two components) shown below. .
- W1 Weight fraction of monomer (1)
- W2 Weight fraction of monomer (2)
- Tg1 Tg value of homopolymer of monomer (1) (unit: K)
- Tg2 Tg value of homopolymer of monomer (2) (unit: K)
- the volume average primary particle diameter of the crosslinked polymer particles (C) is 0.5 to 10 ⁇ m, preferably 0.7 to 7.0 ⁇ m, more preferably 0.8 to 4.0 ⁇ m.
- This volume average primary particle diameter is a value measured by a laser diffraction scattering method. For the measurement, a known laser diffraction / scattering particle size distribution measuring device can be used.
- the refractive index of the crosslinked polymer particles (C) at 23 ° C. is 1.490 to 1.510. This refractive index is a value measured according to JIS K7142.
- the epoxy resin composition of the present invention includes the above-described crosslinked polymer particles (C), an epoxy resin (A), and a curing agent for epoxy resin (B).
- the content of the epoxy resin curing agent (B) is preferably 0.7 to 1.4 times the epoxy equivalent of the epoxy resin (A).
- the content of the crosslinked polymer particles (C) is preferably 5 to 80 parts by mass and more preferably 10 to 50 parts by mass with respect to 100 parts by mass of the epoxy resin (A). If this content is 5 parts by mass or more, crack resistance of the epoxy cured product is sufficiently developed, and long-term reliability is improved. Moreover, if this content is 80 mass parts or less, the viscosity of a resin composition will not become high remarkably, and the handleability of an epoxy resin composition will be favorable.
- the refractive index (Rm) at 23 ° C. of the cured product obtained by curing the epoxy resin (A) and the epoxy resin curing agent (B), and the crosslinked polymer particles (C) The relative refractive index (Rm / Rc) with respect to the refractive index (Rc) at 23 ° C. is preferably from 0.99 to 1.01, more preferably from 0.995 to 1.005.
- the value of the specific refractive index (Rm / Rc) is within the above range, an increase in light scattering loss on the surface of the crosslinked polymer particles (C) can be suppressed, and the colorless transparency of the epoxy resin composition can be maintained.
- These refractive indexes are values measured in accordance with JIS K7142.
- the epoxy resin composition of the present invention may contain a curing accelerator as long as the colorless transparency of the resulting epoxy cured product is not impaired.
- a hardening accelerator has the effect
- Those suitable for the sealing resin are those with relatively little coloring.
- organic phosphine curing accelerators such as triphenylphosphine and diphenylphosphine
- imidazole curing accelerators such as 2-methylimidazole, 2-phenyl-4-methylimidazole and 2-phenylimidazole
- -Tertiary amine curing accelerators such as diazabicyclo (5,4,0) -7-undecene, triethanolamine, benzyldimethylamine
- tetraphenylborate curing accelerators such as tetraphenylphosphonium and tetraphenylborate .
- the blending ratio of the curing accelerator is preferably 0.01 to 3% by mass in 100% by mass of the epoxy resin composition.
- each component is kneaded by a kneader such as vacuum kneading, whereby the epoxy resin curing agent (B) and the crosslinked polymer particles (C) are contained in the epoxy resin (A).
- a kneader such as vacuum kneading
- the epoxy resin curing agent (B) and the crosslinked polymer particles (C) are contained in the epoxy resin (A).
- the cured epoxy product of the present invention is obtained by curing the epoxy resin composition of the present invention described above.
- the curing method is not particularly limited.
- an epoxy cured product can be obtained by performing a curing reaction with light and heat.
- the crack resistance of the epoxy cured product can be improved without impairing the colorless transparency.
- the epoxy cured product of the present invention is also excellent in electrical characteristics. Therefore, the epoxy cured product of the present invention can be suitably used for sealing materials for electric / electronic parts, for example, insulating materials. And since it has high transparency and toughness, it is suitable for the use of an optical semiconductor sealing material, an optical adhesive agent, various sealing agents, especially an LED sealing material.
- Parts and “%” shown below represent “parts by mass” and “% by mass”, respectively.
- the volume average primary particle diameter described in each of the following examples is obtained by determining the median diameter in volume average using a laser diffraction / scattering particle size distribution measuring apparatus (manufactured by Shimadzu Corporation, trade name “SALD-7100”). Value.
- SALD-7100 laser diffraction / scattering particle size distribution measuring apparatus
- the obtained monomer emulsion was put into a separable flask, and the temperature was raised to 70 ° C. An exothermic peak accompanying the polymerization reaction was observed around the system temperature of 70 ° C., and the system temperature rose to 78 ° C. After observing the exothermic peak, the temperature was raised to 80 ° C. for 30 minutes and held for 60 minutes.
- the resulting solid content of the emulsion of the crosslinked polymer particles (C-1) was 23.8%, and the volume average primary particle size of the crosslinked polymer particles (C-1) was 2.57 ⁇ m.
- the emulsion of the cross-linked polymer particles (C-1) is spray-dried (manufactured by Okawara Kako Co., Ltd., trade name “L-8 type”), drying gas inlet temperature 140 ° C., outlet temperature 70 ° C. and atomizer rotation Spraying was performed under conditions of several 25,000 rpm to obtain a powder of crosslinked polymer particles (C-1).
- Crosslinked polymer particles (C-2) Except for using 80 parts of cyclohexyl methacrylate as the vinyl monomer (c1), 10 parts of ethylene glycol dimethacrylate as the crosslinkable monomer (c2), and 10 parts of glycidyl methacrylate as the vinyl monomer (c3) having a glycidyl group.
- a powder of crosslinked polymer particles (C-2) was obtained.
- the solid content of the emulsion of the crosslinked polymer particles (C-2) was 23.6%
- the volume average primary particle size of the crosslinked polymer particles (C-2) was 2.64 ⁇ m.
- the obtained core-shell polymer latex was sprayed using a spray dryer (trade name “L-8 type”, manufactured by Okawahara Kako Co., Ltd.) with a drying gas inlet temperature of 140 ° C., an outlet temperature of 70 ° C., and an atomizer speed of 25,000 rpm. Spraying was performed under conditions to obtain a powder of core-shell polymer particles (D-1).
- Core-shell polymer particles (D-2) A powder of core-shell polymer particles (D-2) was obtained in the same manner as in Production Example 3 except that 0.1 part of an emulsifier di-2-ethylhexyl ammonium sulfosuccinate was added to the seed part.
- the latex had a solid content of 32.43% and a volume average primary particle size of 0.26 ⁇ m.
- Crosslinked polymer particles (C-3) Use 80 parts of isobornyl methacrylate as the vinyl monomer (c1), 10 parts of ethylene glycol dimethacrylate as the crosslinkable monomer (c2), and 10 parts of glycidyl methacrylate as the vinyl monomer (c3) having a glycidyl group.
- a crosslinked polymer particle (C-3) powder was obtained in the same manner as in Production Example 1 except that The solid content of the emulsion of the crosslinked polymer particles (C-3) was 20.6%, and the volume average primary particle size of the crosslinked polymer particles (C-3) was 2.29 ⁇ m.
- Crosslinked polymer particles (C-4) Use 80 parts of isobornyl methacrylate as the vinyl monomer (c1), 10 parts of ethylene glycol dimethacrylate as the crosslinkable monomer (c2), and 10 parts of methacrylic acid as the vinyl monomer (c3) having a carboxyl group. Except for the above, a powder of crosslinked polymer particles (C-4) was obtained in the same manner as in Production Example 1. The solid content of the emulsion of the crosslinked polymer particles (C-4) was 18.7%, and the volume average primary particle size of the crosslinked polymer particles (C-4) was 1.99 ⁇ m.
- Crosslinked polymer particles (C-5) Use 70 parts of isobornyl methacrylate as the vinyl monomer (c1), 10 parts of ethylene glycol dimethacrylate as the crosslinkable monomer (c2), and 20 parts of glycidyl methacrylate as the vinyl monomer (c3) having a glycidyl group. Except for the above, a powder of crosslinked polymer particles (C-5) was obtained in the same manner as in Production Example 1. The solid content of the emulsion of the crosslinked polymer particles (C-5) was 20.5%, and the volume average primary particle size of the crosslinked polymer particles (C-5) was 2.46 ⁇ m.
- Crosslinked polymer particles (C-6) Use 60 parts of isobornyl methacrylate as the vinyl monomer (c1), 10 parts of ethylene glycol dimethacrylate as the crosslinkable monomer (c2), and 30 parts of glycidyl methacrylate as the vinyl monomer (c3) having a glycidyl group. Except for the above, a powder of crosslinked polymer particles (C-6) was obtained in the same manner as in Production Example 1. The solid content of the emulsion of the crosslinked polymer particles (C-6) was 20.7%, and the volume average primary particle size of the crosslinked polymer particles (C-6) was 2.36 ⁇ m.
- Tables 1 and 2 show the particle composition and physical properties. Abbreviations in the table are as follows. CHMA: cyclohexyl methacrylate IBXMA: isobornyl methacrylate EDMA: ethylene glycol dimethacrylate GMA: glycidyl methacrylate MAA: methacrylic acid BA: butyl acrylate ST: styrene AMA: allyl methacrylate MMA: methyl methacrylate
- Example 1 Preparation of Epoxy Resin Composition and Cured Epoxy Product 49.5 parts of bisphenol A type hydrogenated alicyclic epoxy resin (trade name “YX-8000”, manufactured by Mitsubishi Chemical Corporation) as the epoxy resin (A) , And 9.9 parts of the cross-linked polymer particles (C-1) were weighed, and these were measured for 1 minute at 1200 rpm with a vacuum kneader (trade name “Awatake Kentaro ARV-310LED” manufactured by Sinky), The mixture was depressurized to 3 KPa and preliminarily mixed at 1200 rpm for 2 minutes, and then kneaded using a three-roll mill. The roll rotation speed was 150 rpm, the roll interval was in the range of 30 ⁇ m to 5 ⁇ m, and the kneaded product was obtained by processing in three passes.
- YX-8000 bisphenol A type hydrogenated alicyclic epoxy resin
- C-1 cross-linked polymer particles
- This epoxy resin composition is poured into a glass plate sandwiched with a tetrafluoroethylene resin spacer, and cured under conditions of 100 ° C. ⁇ 3 hours, then 120 ° C. ⁇ 4 hours, and a cured epoxy product having a thickness of 3 mm.
- a tetrafluoroethylene resin spacer a tetrafluoroethylene resin spacer
- Example 2 An epoxy resin composition and an epoxy cured product were obtained in the same manner as in Example 1 except that the crosslinked polymer particles (C-2) were used instead of the crosslinked polymer particles (C-1).
- Examples 3 to 8 Comparative Examples 1 to 4 Except having changed into the mixing
- the refractive index (Rc) of the crosslinked polymer particles (C) was determined as follows. First, 0.1 part of t-hexyl peroxypivalate (manufactured by NOF Corporation, trade name “Perhexyl PV”) as a predetermined amount of monomer and initiator described in Production Examples 1, 2, and 5 to 8 was weighed in a container and kneaded and defoamed with a vacuum kneader (foam remover Taro ARV-310LED). Next, a spacer made of a tetrafluoroethylene resin was sandwiched between two glass plates to which a PET film was attached, and the monomer mixture was poured into the glass plate. Polymerization was carried out under conditions of 80 ° C. ⁇ 6 hours and 130 ° C. ⁇ 2 hours to prepare a test piece for refractive index measurement. The refractive index (Rc) at 23 ° C. of the test piece was measured according to JIS K7142. The results are shown in Table 1.
- the refractive index (Rc) of the core-shell polymer particles (D) was determined as follows.
- the powder of the core-shell polymer particles (D) obtained in Production Examples 3 and 4 was hot-pressed under the conditions of 180 ° C. and 5 MPa to prepare a sheet-like test piece for refractive index measurement.
- the refractive index (Rc) at 23 ° C. of the test piece was measured according to JIS K7142. The results are shown in Table 2.
- Cycle conditions 1: -10 ° C x 30 minutes ⁇ 105 ° C x 30 minutes in 3 cycles 2: -20 ° C x 30 minutes ⁇ 105 ° C x 30 minutes in 3 cycles 3: -30 ° C x 30 minutes ⁇ 105 ° C x 30 minutes in 3 cycles Cycle 4: -40 ° C x 30 minutes ⁇ 105 ° C x 30 minutes 3 cycles 5: -55 ° C x 30 minutes ⁇ 105 ° C x 30 minutes 3 cycles 6: -55 ° C x 30 minutes ⁇ 130 ° C x 30 minutes 3 cycles 7: -55 ° C x 30 minutes ⁇ 150 ° C x 30 minutes 3 cycles
- YX-8000 Bisphenol A type hydrogenated cycloaliphatic epoxy resin (Mitsubishi Chemical Corporation, trade name YX-8000)
- Celoxide 2021P 3,4-epoxycyclohexylmethyl-3 ′, 4′-epoxycyclohexanecarboxylate (manufactured by Daicel Chemical Industries, trade name Celoxide 2021P)
- MH-700 4-methylhexahydrophthalic anhydride (manufactured by Shin Nippon Rika Co., Ltd., trade name “Licacid MH-700”)
- PX-4ET Tetrabutylphosphonium diethylphosphodithionate (Hishicolin PX-4ET)
- the epoxy resin composition contains core-shell polymer particles (D) having a low glass transition temperature instead of the crosslinked polymer particles (C) of the present invention. Therefore, in Comparative Examples 1 and 2, although the crack resistance was improved without impairing the transparency at room temperature, the transparency could not be maintained under the high temperature conditions. In Comparative Examples 3 and 4, the cured product could not be obtained because the viscosity increased significantly at the time of kneading.
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Abstract
Description
水系重合の容易さの観点から、架橋重合体粒子(C)は、グリシジル基を有することが好ましい。
1/Tg=W1/Tg1+W2/Tg2(但し、W1+W2=1)
W1:モノマー(1)の重量分率
W2:モノマー(2)の重量分率
Tg1:モノマー(1)のホモポリマーのTg値(単位:K)
Tg2:モノマー(2)のホモポリマーのTg値(単位:K)
攪拌機、還流冷却管、温度制御装置、窒素導入管を備えた2Lサイズのセパラブルフラスコに、イオン交換水175部を仕込んだ。次いで、所定サイズのビーカーにイオン交換水100部、ビニル単量体(c1)としてシクロヘキシルメタクリレート90部、架橋性単量体(c2)としてエチレングリコールジメタクリレート10部、界面活性剤としてドデシルベンゼンスルホン酸ナトリウム1部、油溶性開始剤として1,1,3,3,-テトラメチルブチルパーオキシ-2-エチルヘキサノエート(日油社製、商品名「パーオクタO」)0.2部を配合した。この配合物を、IKA社製ミキサー「ウルトラタラックスT-25」を用い、12,000rpmで3分間処理し、単量体乳化物を得た。
ビニル単量体(c1)としてシクロヘキシルメタクリレート80部、架橋性単量体(c2)としてエチレングリコールジメタクリレート10部、さらにグリシジル基を有するビニル単量体(c3)としてグリシジルメタクリレート10部を用いた以外は、製造例1と同様にして、架橋重合体粒子(C-2)の粉体を得た。架橋重合体粒子(C-2)のエマルションの固形分は23.6%、架橋重合体粒子(C-2)の体積平均一次粒子径は2.64μmであった。
攪拌機、還流冷却管、温度制御装置、窒素導入管を備えた2Lサイズのセパラブルフラスコに、イオン交換水143.3部を仕込んだ。次いでブチルアクリレート2.8部、スチレン2.2部、アリルメタクリレート0.1部を仕込み、80℃に昇温した。系内温度が80℃に到達し系内温度の安定を確認後、過硫酸アンモニウム0.1部をイオン交換水6.1部に溶解させた過硫酸アンモニウム水溶液を系内に投入し、シード粒子の重合を行った。発熱ピーク観測後、30分保持させてシード粒子を得た。
シード部に乳化剤ジ-2-エチルヘキシルスルホコハク酸アンモニウム0.1部を加えた以外は製造例3と同様に操作し、コアシェル重合体粒子(D-2)の粉体を得た。ラテックスの固形分は32.43%、体積平均一次粒子径は0.26μmであった。
ビニル単量体(c1)としてイソボルニルメタクリレート80部、架橋性単量体(c2)としてエチレングリコールジメタクリレート10部、さらにグリシジル基を有するビニル単量体(c3)としてグリシジルメタクリレート10部を用いた以外は、製造例1と同様にして、架橋重合体粒子(C-3)の粉体を得た。架橋重合体粒子(C-3)のエマルションの固形分は20.6%、架橋重合体粒子(C-3)の体積平均一次粒子径は2.29μmであった。
ビニル単量体(c1)としてイソボルニルメタクリレート80部、架橋性単量体(c2)としてエチレングリコールジメタクリレート10部、さらにカルボキシル基を有するビニル単量体(c3)としてメタクリル酸10部を用いた以外は、製造例1と同様にして、架橋重合体粒子(C-4)の粉体を得た。架橋重合体粒子(C-4)のエマルションの固形分は18.7%、架橋重合体粒子(C-4)の体積平均一次粒子径は1.99μmであった。
ビニル単量体(c1)としてイソボルニルメタクリレート70部、架橋性単量体(c2)としてエチレングリコールジメタクリレート10部、さらにグリシジル基を有するビニル単量体(c3)としてグリシジルメタクリレート20部を用いた以外は、製造例1と同様にして、架橋重合体粒子(C-5)の粉体を得た。架橋重合体粒子(C-5)のエマルションの固形分は20.5%、架橋重合体粒子(C-5)の体積平均一次粒子径は2.46μmであった。
ビニル単量体(c1)としてイソボルニルメタクリレート60部、架橋性単量体(c2)としてエチレングリコールジメタクリレート10部、さらにグリシジル基を有するビニル単量体(c3)としてグリシジルメタクリレート30部を用いた以外は、製造例1と同様にして、架橋重合体粒子(C-6)の粉体を得た。架橋重合体粒子(C-6)のエマルションの固形分は20.7%、架橋重合体粒子(C-6)の体積平均一次粒子径は2.36μmであった。
CHMA:シクロヘキシルメタクリレート
IBXMA:イソボルニルメタクリレート
EDMA:エチレングリコールジメタクリレート
GMA:グリシジルメタクリレート
MAA:メタクリル酸
BA:ブチルアクリレート
ST:スチレン
AMA:アリルメタクリレート
MMA:メチルメタクリレート
1/Tg[K]=W1/Tg1+W2/Tg2(但し、W1+W2=1)
W1:モノマー(1)の重量分率
W2:モノマー(2)の重量分率
Tg1:モノマー(1)のホモポリマーのTg値(単位:K)
Tg2:モノマー(2)のホモポリマーのTg値(単位:K)
CHMA:シクロヘキシルメタクリレート 356(K)
IBXMA:イソボルニルメタクリレート 423(K)
GMA:グリシジルメタクリレート 347(K)
MAA:メタクリル酸 501(K)
BA:ブチルアクリレート 219(K)
ST:スチレン 373(K)
MMA:メチルメタクリレート 378(K)
エポキシ樹脂(A)としてビスフェノールA型水素化脂環式エポキシ樹脂(三菱化学社製、商品名「YX-8000」)を49.5部、及び架橋重合体粒子(C-1)を9.9部計量し、これらを真空混練機(シンキー社製、商品名「泡取り練太郎ARV-310LED」)で大気圧1200rpmで1分、次いで3KPaに減圧して1200rpmで2分の条件で予備混合し、その後3本ロールミルを用いて混練を行った。そのロール回転数は150rpmでロール間隔は30μmから5μmまでの範囲とし、3回パスで処理して混練物を得た。
架橋重合体粒子(C-1)の代わりに架橋重合体粒子(C-2)を用いた以外は、実施例1と同様にして、エポキシ樹脂組成物及びエポキシ硬化物を得た。
表3に記載の配合に変更した以外は実施例1と同様な操作を行い、エポキシ樹脂組成物及びエポキシ硬化物を得た。なお、比較例3、4は混練の時点で著しく増粘したため、硬化物を得ることが出来なかった。
エポキシ樹脂(A)としてビスフェノールA型水素化脂環式エポキシ樹脂(YX-8000)を55.0部、エポキシ樹脂用硬化剤(B)として4-メチルヘキサヒドロ無水フタル酸(リカシッドMH-700)を44.5部、硬化促進剤としてテトラブチルホスホニウムジエチルホスホジチオネート(ヒシコーリンPX-4ET)を0.5部を計量し、これらを真空混練機(泡取り練太郎ARV-310LED)で大気圧1200rpmで1分、次いで3KPaに減圧して1200rpmで2分の条件で混練・脱泡を行って、エポキシ樹脂組成物を得た。このエポキシ樹脂組成物を、実施例1と同じ条件で硬化させ、厚さ3mmのエポキシ硬化物を得た。
エポキシ樹脂(A)として3,4-エポキシシクロヘキシルメチル-3',4'-エポキシシクロヘキサンカルボキシレート(ダイセル化学工業社製、商品名セロキサイド2021P)44.6部、エポキシ樹脂用硬化剤(B)として4-メチルヘキサヒドロ無水フタル酸(リカシッドMH-700)54.9部、硬化促進剤としてテトラブチルホスホニウムジエチルホスホジチオネート(ヒシコーリンPX-4ET)0.4部を用いた以外は、参考例1と同様にして、エポキシ樹脂組成物及びエポキシ硬化物を得た。
硬化物(A+B)の23℃での屈折率(Rm)は、JIS K7142に準拠して測定した。
得られた3mm厚の硬化物について、紫外可視分光光度計(日本分光社製、商品名「V-630」)を用い、600nm、450nm、400nmでの波長の透過率を測定した。また、ヘイズメーター(村上色彩研究所製、商品名「HR-100」)を用い、23℃及び80℃の条件で硬化物の曇価を測定することにより、硬化物の透明性の温度依存性を調べた。
実施例1と同様な操作を行い得られたエポキシ樹脂組成物を、事務用クリップ(ライオン事務器社製、商品名「ゼムクリップNo.13」)と共にアルミシャーレに入れた。100℃×3時間、次いで120℃×4時間の条件で硬化させ、クリップを封入した厚さ5mmの硬化物を得た。なお、事務用クリップは、アルミシャーレ1つに付き、1つ用いた。得られた硬化物を、以下に記載の条件で熱処理を繰返し行い、発生するクラックの有無を目視で観察した。試験はn=5で実施し、3サイクル毎に目視で確認し、クラック発生数が3個に達したサイクル条件をカウントした。
サイクル条件;
1:-10℃×30分 → 105℃×30分を3サイクル
2:-20℃×30分 → 105℃×30分を3サイクル
3:-30℃×30分 → 105℃×30分を3サイクル
4:-40℃×30分 → 105℃×30分を3サイクル
5:-55℃×30分 → 105℃×30分を3サイクル
6:-55℃×30分 → 130℃×30分を3サイクル
7:-55℃×30分 → 150℃×30分を3サイクル
得られた3mm厚の硬化物について、インピーダンスアナライザー(アジレントテクノロジーズ社製、商品名「E4991A」)を用い、周波数10メガヘルツ、100メガヘルツ、1ギガヘルツ時の硬化物の比誘電率、誘電正接を測定した。比誘電率、誘電正接の値が低いほど絶縁性が良好となる。
YX-8000:ビスフェノールA型水素化脂環式エポキシ樹脂(三菱化学社製、商品名YX-8000)
セロキサイド2021P:3,4-エポキシシクロヘキシルメチル-3',4'-エポキシシクロヘキサンカルボキシレート(ダイセル化学工業社製、商品名セロキサイド2021P)
MH-700:4-メチルヘキサヒドロ無水フタル酸(新日本理化社製、商品名「リカシッドMH-700」)
PX-4ET:テトラブチルホスホニウムジエチルホスホジチオネート(ヒシコーリンPX-4ET)
Claims (9)
- (メタ)アクリル酸エステル単量体単位及び架橋性単量体単位を含み、体積平均一次粒子径が0.5μm~10μmであり、架橋性単量体を除く単量体成分のFOX式で求められるガラス転移温度が30℃以上であり、23℃での屈折率が1.490~1.510であるエポキシ樹脂用架橋重合体粒子。
- (メタ)アクリル酸エステル単量体単位が、シクロアルキル基を有する単量体単位を含む請求項1に記載のエポキシ樹脂用架橋重合体粒子。
- 脂環式エポキシ樹脂に用いられる請求項1に記載のエポキシ樹脂用架橋重合体粒子。
- 更に、カルボキシル基、水酸基及びグリシジル基から選ばれる少なくとも1種の官能基を有するビニル単量体単位を含む請求項1に記載のエポキシ樹脂用架橋重合体粒子。
- 請求項1に記載の架橋重合体粒子(C)、エポキシ樹脂(A)及びエポキシ樹脂用硬化剤(B)を含むエポキシ樹脂組成物。
- エポキシ樹脂(A)とエポキシ樹脂用硬化剤(B)とを硬化させた硬化物の23℃での屈折率(Rm)と架橋重合体粒子(C)の23℃での屈折率(Rc)との比屈折率(Rm/Rc)が0.99~1.01である請求項5に記載のエポキシ樹脂組成物。
- エポキシ樹脂(A)が脂環式エポキシ樹脂であり、エポキシ樹脂用硬化剤(B)が脂環式酸無水物系硬化剤である請求項5に記載のエポキシ樹脂組成物。
- 請求項5に記載のエポキシ樹脂組成物を硬化して得られるエポキシ硬化物。
- 請求項5に記載のエポキシ樹脂組成物を硬化して得られるLED封止材。
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CN201280006307.1A CN103339193B (zh) | 2011-01-11 | 2012-01-10 | 环氧树脂用交联聚合物颗粒、环氧树脂组合物以及环氧树脂固化物 |
US13/978,979 US20130289211A1 (en) | 2011-01-11 | 2012-01-10 | Cross-linked polymer particle for epoxy resin, epoxy resin composition, and epoxy cured material |
KR1020137018010A KR101566094B1 (ko) | 2011-01-11 | 2012-01-10 | 에폭시 수지 조성물 및 에폭시 경화물 |
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WO2013146081A1 (ja) * | 2012-03-30 | 2013-10-03 | 出光興産株式会社 | 樹脂組成物及びその硬化物ならびにそれを用いた光半導体用反射材 |
WO2020213642A1 (ja) * | 2019-04-19 | 2020-10-22 | 三菱ケミカル株式会社 | エポキシ樹脂組成物、硬化性樹脂組成物、硬化物、接着剤 |
WO2022019309A1 (ja) * | 2020-07-21 | 2022-01-27 | 株式会社日本触媒 | 樹脂組成物 |
US11884813B2 (en) | 2017-09-06 | 2024-01-30 | Mitsubishi Chemical Corporation | Macromonomer copolymer, epoxy resin composition, adhesive, molding material, and cured product |
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CN107406547B (zh) * | 2015-03-31 | 2019-10-15 | 积水化成品工业株式会社 | 聚合物粒子、聚合物粒子的制造方法及其用途 |
KR102581660B1 (ko) * | 2018-10-02 | 2023-09-21 | 한국전기연구원 | 내용제성, 열적 특성 및 광학 특성 제어가 가능한 유기나노입자, 유기나노입자 제조방법 및 유기나노입자를 포함하는 나노복합절연소재 |
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- 2012-01-10 WO PCT/JP2012/050274 patent/WO2012096256A1/ja active Application Filing
- 2012-01-10 JP JP2012502795A patent/JP5821837B2/ja active Active
- 2012-01-10 US US13/978,979 patent/US20130289211A1/en not_active Abandoned
- 2012-01-10 CN CN201280006307.1A patent/CN103339193B/zh active Active
- 2012-01-10 KR KR1020137018010A patent/KR101566094B1/ko active IP Right Grant
- 2012-01-10 EP EP12734307.7A patent/EP2664651B1/en active Active
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Cited By (5)
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---|---|---|---|---|
WO2013146081A1 (ja) * | 2012-03-30 | 2013-10-03 | 出光興産株式会社 | 樹脂組成物及びその硬化物ならびにそれを用いた光半導体用反射材 |
US11884813B2 (en) | 2017-09-06 | 2024-01-30 | Mitsubishi Chemical Corporation | Macromonomer copolymer, epoxy resin composition, adhesive, molding material, and cured product |
WO2020213642A1 (ja) * | 2019-04-19 | 2020-10-22 | 三菱ケミカル株式会社 | エポキシ樹脂組成物、硬化性樹脂組成物、硬化物、接着剤 |
JPWO2020213642A1 (ja) * | 2019-04-19 | 2020-10-22 | ||
WO2022019309A1 (ja) * | 2020-07-21 | 2022-01-27 | 株式会社日本触媒 | 樹脂組成物 |
Also Published As
Publication number | Publication date |
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KR20130102108A (ko) | 2013-09-16 |
EP2664651A4 (en) | 2017-12-06 |
CN103339193A (zh) | 2013-10-02 |
EP2664651A1 (en) | 2013-11-20 |
TW201237089A (en) | 2012-09-16 |
EP2664651B1 (en) | 2019-03-27 |
JP5821837B2 (ja) | 2015-11-24 |
JPWO2012096256A1 (ja) | 2014-06-09 |
US20130289211A1 (en) | 2013-10-31 |
CN103339193B (zh) | 2016-07-20 |
KR101566094B1 (ko) | 2015-11-04 |
TWI593738B (zh) | 2017-08-01 |
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