WO2017018279A1 - 樹脂組成物及び硬化物 - Google Patents
樹脂組成物及び硬化物 Download PDFInfo
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- WO2017018279A1 WO2017018279A1 PCT/JP2016/071209 JP2016071209W WO2017018279A1 WO 2017018279 A1 WO2017018279 A1 WO 2017018279A1 JP 2016071209 W JP2016071209 W JP 2016071209W WO 2017018279 A1 WO2017018279 A1 WO 2017018279A1
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- XJQUJYVQCYTXNI-UHFFFAOYSA-N C(CONN[N]1(CC1)OCCC1OC1)C1OC1 Chemical compound C(CONN[N]1(CC1)OCCC1OC1)C1OC1 XJQUJYVQCYTXNI-UHFFFAOYSA-N 0.000 description 1
- GZTZWLBQLSVIKT-UHFFFAOYSA-N O=C(C1CC2OC2CC1)OCOC(C1CC(C2)OC2C1)=O Chemical compound O=C(C1CC2OC2CC1)OCOC(C1CC(C2)OC2C1)=O GZTZWLBQLSVIKT-UHFFFAOYSA-N 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/20—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the epoxy compounds used
- C08G59/22—Di-epoxy compounds
- C08G59/24—Di-epoxy compounds carbocyclic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/20—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the epoxy compounds used
- C08G59/32—Epoxy compounds containing three or more epoxy groups
- C08G59/34—Epoxy compounds containing three or more epoxy groups obtained by epoxidation of an unsaturated polymer
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/20—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the epoxy compounds used
- C08G59/32—Epoxy compounds containing three or more epoxy groups
- C08G59/38—Epoxy compounds containing three or more epoxy groups together with di-epoxy compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/68—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the catalysts used
Definitions
- the present invention relates to a resin composition and a cured product obtained using the resin composition.
- an ITO film is used in many of the capacitive touch panels that are widely used.
- an optical film having a refractive index adjustment layer (hereinafter also referred to as “index matching layer”) is used for the ITO film for the purpose of making the ITO electrode pattern formed on the display invisible.
- Patent Document 1 includes a polyfunctional (meth) acrylic compound, dry nano-barium titanate, a silane coupling agent having a (meth) acryloyloxy group, a photopolymerization initiator, and an organic solvent for refractive index adjustment.
- a coating material composition is disclosed.
- Patent Document 2 discloses a composition for forming an index matching layer, which contains specific metal oxide particles, silica particles, and a resin component.
- Properties required for the cured product constituting the index matching layer include high adhesion to a substrate made of a material typified by polyethylene terephthalate (hereinafter, also referred to as “PET”), colorless and transparent, Examples thereof include high solvent resistance, high heat resistance, high moisture resistance, and high alkali resistance.
- PET polyethylene terephthalate
- a resin composition with a short curing time which has high adhesion to a PET substrate, is colorless and transparent, and is a raw material for a cured product having excellent heat resistance and moisture resistance.
- an object of the present invention is to provide a resin composition having high adhesion to a PET substrate, colorless and transparent, and capable of forming a cured product excellent in heat resistance and moisture resistance in a short curing time. is there. Moreover, the objective of this invention is providing the hardened
- the present invention relates to (A) a bifunctional alicyclic epoxy resin compound, (B) a polybutadiene resin compound represented by the following general formula (I) and having a number average molecular weight of 100 to 5000 in terms of polystyrene: And (C) an epoxy resin compound represented by the following general formula (II) or (III), and with respect to the total amount of the component (A), the component (B), and the component (C) A resin composition in which the content of component (A) is 10 to 60% by mass, the content of component (B) is 10 to 80% by mass, and the content of component (C) is 10 to 60% by mass. Offer things.
- X 1 and X 2 each independently represent a hydrogen atom or a hydroxyl group
- Y includes units represented by the following general formulas (I-1) and (I-2). Represents a group
- n and m represent numbers with which the number average molecular weight of the polybutadiene resin compound is 100 to 5000 in terms of polystyrene
- Z 1 represents an alkanediyl group having 1 to 20 carbon atoms or an aryldiyl group having 6 to 30 carbon atoms
- Z 2 and Z 3 are each independently a single bond, carbon An alkanediyl group having 1 to 20 atoms or an aryldiyl group having 6 to 30 carbon atoms
- R 1 represents a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms
- k represents a number of 3 to 30, and r represents a number of 1 to 3
- the present invention also provides a cured product obtained by curing the above resin composition.
- the present invention it is possible to provide a resin composition that has high adhesion to a PET substrate, is colorless and transparent, and can form a cured product excellent in heat resistance and moisture resistance in a short curing time. Moreover, according to this invention, the hardened
- the resin composition of the present invention comprises (A) a bifunctional alicyclic epoxy resin compound (hereinafter also referred to as “component (A)”) and (B) a number average molecular weight represented by the general formula (I).
- component (A) a bifunctional alicyclic epoxy resin compound
- component (I) a number average molecular weight represented by the general formula (I).
- component (B) a polybutadiene resin compound having a polystyrene equivalent of 100 to 5,000
- the kind of component is not specifically limited, A well-known bifunctional alicyclic epoxy resin compound can be used.
- Specific examples of the bifunctional alicyclic epoxy resin compound include resin compounds represented by the following general formulas (A-1), (A-2), (A-3), and (A-4). be able to.
- the resin compound represented by the following general formula (A-1) is used in combination with the later-described components (B) and (C), and thus has excellent curing properties due to adhesion, heat resistance, and moisture resistance. Since a thing can be obtained, it is preferable.
- R 2 and R 3 each independently represents a hydrogen atom or an alkyl group having 1 to 20 carbon atoms
- R 2, R 3 and p have the same meanings as R 2, R 3 and p in formula (A-2)
- alkyl group having 1 to 20 carbon atoms represented by R 2 and R 3 in the general formulas (A-1) to (A-4) include methyl, ethyl, propyl, isopropyl, butyl, and isobutyl.
- Preferred specific examples of the resin compound represented by the general formula (A-1) include compound Nos. Shown below. 1 to 3 can be mentioned. Of these, the compound (A) shown in the following compound No. In the case of 1, it is particularly preferable that a cured product having excellent adhesion, heat resistance, and moisture resistance can be obtained by using in combination with the components (B) and (C) described later.
- Preferred specific examples of the resin compound represented by the general formula (A-2) include the following compound Nos. 4 to 6 can be mentioned.
- Preferred specific examples of the resin compound represented by the general formula (A-3) include the following compound Nos. 7 to 9 can be mentioned.
- Preferred specific examples of the resin compound represented by the general formula (A-4) include the following compound Nos. 10 to 12 can be mentioned.
- the content ratio of the component (A) in the resin composition of the present invention is 10 to 60% by mass with respect to the total amount of the component (A), the component (B), and the component (C).
- blending (A) component is not recognized as the content rate of (A) component is less than 10 mass%.
- the content ratio of the component (A) is more than 60% by mass, characteristics such as moisture resistance of the obtained cured film may be deteriorated.
- a cured product having higher adhesion when the content of component (A) in the resin composition is 20 to 50% by mass relative to the total amount of component (A), component (B), and component (C). Is more preferable because it can be obtained.
- the component (B) is a polybutadiene resin compound represented by the following general formula (I) and having a number average molecular weight of 100 to 5000 in terms of polystyrene.
- the component (B) may be a block copolymer or a random copolymer.
- commercially available products can be used as the component (B).
- X 1 and X 2 each independently represent a hydrogen atom or a hydroxyl group
- Y includes units represented by the following general formulas (I-1) and (I-2). Represents a group
- n and m represent numbers with which the number average molecular weight of the polybutadiene resin compound is 100 to 5000 in terms of polystyrene
- the component (B) is preferably a polybutadiene resin compound represented by the following general formula (I-3).
- X 1 and X 2 are synonymous with X 1 and X 2 in the formula (I), n and m, the general formula (I-1) and (Same as n and m in (I-2))
- X 1 and X 2 in the general formula (I) are identical, preferably in order to be able to obtain a cured product excellent by heat resistance and moisture resistance, X 1 and X 2 are each a hydrogen atom Is more preferable.
- the polybutadiene resin compound has a polystyrene-equivalent number average molecular weight of 1,000 to 5,000, a cured product superior in heat resistance and moisture resistance can be obtained.
- a polystyrene-reduced number average molecular weight of the polybutadiene resin compound is more preferably 1500 to 5000, since a cured product having particularly excellent heat resistance and moisture resistance can be obtained. Further, it is particularly preferable that the polybutadiene resin compound has a polystyrene-equivalent number average molecular weight of 2,000 to 4,000 because a cured product having particularly high adhesion can be obtained.
- a polystyrene-equivalent number average molecular weight of the polybutadiene resin compound is most preferably 3000 to 3500 because the curing time (gelling time) is further shortened.
- the number average molecular weight in terms of polystyrene of the polybutadiene resin compound is more than 5000, the adhesion to the PET substrate is remarkably reduced.
- the epoxy equivalent of the component (B) (polybutadiene resin compound) is preferably 80 to 3000 g / eq, and more preferably 100 to 500 g / eq.
- the vinyl equivalent of component (B) is preferably 50 to 200 g / eq, more preferably 75 to 125 g / eq.
- the content ratio of the component (B) in the resin composition of the present invention is 10 to 80% by mass with respect to the total amount of the component (A), the component (B), and the component (C).
- blending (B) component is not recognized as the content rate of (B) component is less than 10 mass%.
- the content ratio of the component (B) exceeds 80% by mass, characteristics such as moisture resistance of the obtained cured film may be deteriorated.
- a cured product having higher adhesion when the content ratio of the component (B) in the resin composition is 20 to 60% by mass with respect to the total amount of the components (A), (B), and (C). Is more preferable because it can be obtained.
- the component (C) is an epoxy resin compound represented by the following general formula (II) or (III).
- Z 1 represents an alkanediyl group having 1 to 20 carbon atoms or an aryldiyl group having 6 to 30 carbon atoms
- Z 2 and Z 3 are each independently a single bond, carbon An alkanediyl group having 1 to 20 atoms or an aryldiyl group having 6 to 30 carbon atoms
- R 1 represents a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms
- k represents a number of 3 to 30, and r represents a number of 1 to 3
- alkanediyl group having 1 to 20 carbon atoms represented by Z 1 , Z 2 and Z 3 in the general formula (II) include methylene, ethylene, propylene, methylethylene, butylene and 1-methylpropylene.
- An alkylene group such as dimethylbutylene, pentylene, hexylene, heptylene, octylene, nonylene, decylene, dodecylene, tridecylene, tetradecylene, pentadecylene, ethane-1,1-diyl, propane-2,2-diyl; cyclohexane-1,1 -Diyl, cyclohexane-1,2-diyl, cyclohexane-1,3- Yl, 1,5,5-trimethylcyclohexane-1,3-diyl, 1-methylcyclohexane-1,3-diyl, cyclohexane-1,4-
- aryldiyl group having 6 to 30 carbon atoms represented by Z 1 , Z 2 and Z 3 in the general formula (II) include 1,2-phenylene, 1,3-phenylene, 1,4- Phenylene, 2,6-naphthylene, 1,4-naphthylene, 2,5-dimethyl-1,4-phenylene, diphenylmethane-4,4'-diyl, 2,2-diphenylpropane-4,4'-diyl, diphenyl And arylene groups such as sulfide-4,4′-diyl and diphenylsulfone-4,4′-diyl.
- examples of the hydrocarbon group having 1 to 20 carbon atoms represented by R 1 include an alkyl group having 1 to 20 carbon atoms, an alkenyl group having 2 to 20 carbon atoms, and a carbon atom.
- the hydrogen atom in these groups is a halogen atom, nitro group, cyano group, hydroxyl group, amino group, carboxyl group, methacryloyl group, acryloyl group, epoxy group, vinyl group, mercapto group, isocyanate group, carboxyl group, or It may be substituted with a heterocycle-containing group.
- the methylene group in the hydrocarbon group having 2 to 20 carbon atoms may be —O—, —CO—, —COO—, —OCO—, —S—, —SO 2 —, —SCO—, or —COS. It may be substituted with-.
- alkyl group having 1 to 20 carbon atoms examples include methyl, ethyl, propyl, isopropyl, butyl, isobutyl, s-butyl, t-butyl, amyl, isoamyl, t-amyl, hexyl, heptyl, octyl, isooctyl, Alkyl groups such as 2-ethylhexyl, t-octyl, nonyl, isononyl, decyl, isodecyl, undecyl, dodecyl, tetradecyl, hexadecyl, octadecyl and icosyl; r valence such as 2,2-bis (hydroxymethyl) -1-butanol And a group obtained by removing r hydroxyl groups (—OH) from the polyhydric alcohol (r-valent organic group).
- alkenyl group having 2 to 20 carbon atoms examples include vinyl, 2-propenyl, 3-butenyl, 2-butenyl, 4-pentenyl, 3-pentenyl, 2-hexenyl, 3-hexenyl, 5-hexenyl, 2- Heptenyl, 3-heptenyl, 4-heptenyl, 3-octenyl, 3-nonenyl, 4-decenyl, 3-undecenyl, 4-dodecenyl, 3-cyclohexenyl, 2,5-cyclohexadienyl-1-methyl, and 4, 8,12-tetradecatrienylallyl and the like can be mentioned.
- the cycloalkyl group having 3 to 20 carbon atoms means a saturated monocyclic or saturated polycyclic alkyl group having 3 to 20 carbon atoms.
- the cycloalkylalkyl group having 4 to 20 carbon atoms means a group having 4 to 20 carbon atoms in which a hydrogen atom of the alkyl group is substituted with a cycloalkyl group.
- aryl group having 6 to 20 carbon atoms examples include, for example, phenyl, tolyl, xylyl, ethylphenyl, naphthyl, anthryl, phenanthrenyl and the like; one or more hydrogens such as the above alkyl group, alkenyl group, carboxyl group, and halogen atom
- phenyl, biphenylyl, naphthyl, and anthryl for example, 4-chlorophenyl, 4-carboxylphenyl, 4-vinylphenyl, 4-methylphenyl, 2,4,6-trimethylphenyl, etc.
- An arylalkyl group having 7 to 20 carbon atoms means a group having 7 to 20 carbon atoms in which a hydrogen atom of the alkyl group is substituted with an aryl group.
- Examples include benzyl, ⁇ -methylbenzyl, ⁇ , ⁇ -dimethylbenzyl, phenylethyl, naphthylpropyl, and the like.
- (C) component is compound No.2.
- (C) component is compound No.2.
- Preferred specific examples of the epoxy resin compound represented by the general formula (III) include compounds represented by the following general formula (III-C).
- a commercial product may include a trade name “EHPE3150” (manufactured by Daicel Corporation).
- the content ratio of the component (C) in the resin composition of the present invention is 10 to 60% by mass with respect to the total amount of the component (A), the component (B), and the component (C).
- blending (C) component is not recognized as the content rate of (C) component is less than 10 mass%.
- the content ratio of the component (C) is more than 60% by mass, characteristics such as moisture resistance of the obtained cured film may be deteriorated.
- a cured product with higher adhesion when the content ratio of the component (C) in the resin composition is 20 to 50% by mass with respect to the total amount of the component (A), the component (B), and the component (C). Is more preferable because it can be obtained.
- the resin composition of the present invention preferably further contains (D) a thermal cationic polymerization initiator (hereinafter also referred to as “component (D)”).
- component (D) a thermal cationic polymerization initiator
- the thermal cationic polymerization initiator include benzylsulfonium salt, thiophenium salt, thioranium salt, benzylammonium, pyridinium salt, hydrazinium salt, carboxylic acid ester, sulfonic acid ester, and amine imide.
- thermal cationic polymerization initiators commercially available products that are readily available can be used.
- Commercially available products that can be used as the component (D) are trade names such as Adeka Opton CP77, Adeka Opton CP66 (manufactured by ADEKA); CI-2939, CI-2624 (manufactured by Nippon Soda Co., Ltd.); Sun-Aid SI-60L, Examples include Sun Aid SI-80L, Sun Aid SI-100L (manufactured by Sanshin Chemical Industry Co., Ltd.), and the like.
- the amount of the component (D) added to the resin composition is not particularly limited, and an appropriate amount may be added according to the shape of the cured product to be produced and the curing time.
- the content ratio of the component (D) in the resin composition is 0.01 to 10% by mass with respect to the total amount of the component (A), the component (B), the component (C), and the component (D). It is preferably 0.05 to 5% by mass.
- blending (D) component is not recognized as the content rate of (D) component in a resin composition is less than 0.01 mass%. On the other hand, even if the content ratio of the component (D) exceeds 10% by mass, the effect of adding the component (D) is not improved.
- the resin composition of the present invention may contain components (additives) other than the above-described components as necessary.
- additives that can be contained in the resin composition include radical polymerization initiators; curing agents used for epoxy resins; plasticizers such as natural waxes, synthetic waxes, and metal salts of long-chain aliphatic acids.
- radical polymerization initiator conventionally known compounds can be used.
- the radical polymerization initiator include benzoyl peroxide, 2,4-dichlorobenzoyl peroxide, 1,1-di (t-butylperoxy) -3,3,5-trimethylcyclohexane, 4,4-di Peroxides such as (t-butylperoxy) butyl valerate and dicumyl peroxide; Azo compounds such as 2,2′-azobisisobutyronitrile; benzophenone, phenylbiphenyl ketone, 1-hydroxy-1 -Benzoylcyclohexane, benzyl, benzyldimethyl ketal, 1-benzyl-1-dimethylamino-1- (4'-morpholinobenzoyl) propane, 2-morpholy-2- (4'-methylmercapto) benzoylpropane, thioxanthone, 1- Chlor-4-propoxythioxanthone,
- radical polymerization initiator examples include JP-A No. 2000-80068, JP-A No. 2001-233842, JP-A No. 2005-97141, JP-T No. 2006-516246, JP-A No. 3860170, JP-A No. 3798008. And the compounds described in Japanese Patent Publication No. 2006/018953 can also be used.
- the curing agent used in the epoxy resin examples include a latent curing agent, an acid anhydride, a polyamine compound, a polyphenol compound, a thermal cationic initiator, and a cationic photoinitiator.
- a thermal cationic polymerization initiator the aforementioned component (D)
- latent curing agent examples include dicyandiamide, hydrazide, imidazole compound, amine adduct, sulfonium salt, onium salt, ketimine, acid anhydride, and tertiary amine.
- Examples of the acid anhydride include phthalic anhydride, trimellitic anhydride, pyromellitic anhydride, tetrahydrophthalic anhydride, hexahydrophthalic anhydride, maleic anhydride, succinic anhydride, 2, Examples include 2-bis (3,4-dicarboxyphenyl) -1,1,1,3,3,3-hexafluoropropane dianhydride.
- polyamine compounds include aliphatic polyamines such as ethylenediamine, diethylenetriamine, and triethylenetetramine, mensendiamine, isophoronediamine, bis (4-amino-3-methylcyclohexyl) methane, bis (aminomethyl) cyclohexane, 3,9 Alicyclic polyamines such as bis (3-aminopropyl) 2,4,8,10-tetraoxaspiro [5,5] undecane, aliphatic amines having an aromatic ring such as m-xylenediamine, and m-phenylenediamine 2,2-bis (4-aminophenyl) propane, diaminodiphenylmethane, diaminodiphenylsulfone, ⁇ , ⁇ -bis (4-aminophenyl) -p-diisopropylbenzene, 2,2-bis (4-aminophenyl)- 1,1,1,3,3,3-hexa Mention may be
- polyphenol compound examples include phenol novolak, o-cresol novolak, t-butylphenol novolak, dicyclopentadiene cresol, terpene diphenol, terpene dicatechol, 1,1,3-tris (3-tert-butyl-4-hydroxy -6-methylphenyl) butane, butylidenebis (3-tert-butyl-4-hydroxy-6-methylphenyl), 2,2-bis (4-hydroxyphenyl) -1,1,1,3,3,3- Examples include hexafluoropropane.
- imidazole compound examples include 2-methylimidazole, 2-phenylimidazole, 2-undecylimidazole, 2-heptadecylimidazole, 2-phenyl-4-methylimidazole, 1-benzyl-2-phenylimidazole, and 1-benzyl.
- silane coupling agents include vinyltrichlorosilane, vinyltrimethoxysilane, vinyltriethoxysilane, 2- (3,4-epoxycyclohexyl) ethyltrimethoxysilane, 3-glycidoxypropyltrimethoxysilane, 3 -Glycidoxypropylmethyldiethoxysilane, 3-glycidoxypropyltriethoxysilane, p-styryltrimethoxysilane, 3-methacryloxypropylmethyldimethoxysilane, 3-methacryloxypropyltrimethoxysilane, 3-methacryloxypropyl Methyldiethoxysilane, 3-methacryloxypropyltriethoxysilane, 3-acryloxypropyltrimethoxysilane, N-2- (aminoethyl) -3-aminopropylmethyldimethoxysilane, N-2- (a Noethyl) -3-amin
- 3-methacryloxypropylmethyldimethoxysilane, 3-methacryloxypropyltrimethoxysilane, 3-methacryloxypropylmethyldiethoxysilane, 3-methacryloxypropyltriethoxysilane, and 3-acryloxypropyltrimethoxysilane are used. And, even under high temperature and high humidity conditions, it is preferable because the effect of preventing deterioration of adhesion to a silicon wafer is increased.
- the organic solvent can be preferably used as a component for controlling the thickness of the cured product (cured film) to be obtained.
- the organic solvent include alcohol solvents, diol solvents, ketone solvents, ester solvents, ether solvents, aliphatic or alicyclic hydrocarbon solvents, aromatic hydrocarbon solvents, carbon atoms having a cyano group.
- examples thereof include a hydrogen solvent, a halogenated aromatic hydrocarbon solvent, and other solvents.
- Alcohol solvents include methanol, ethanol, propanol, 2-propanol, 1-butanol, isobutanol, 2-butanol, tertiary butanol, pentanol, isopentanol, 2-pentanol, neopentanol, and third pen Tanol, hexanol, 2-hexanol, heptanol, 2-heptanol, octanol, 2-ethylhexanol, 2-octanol, cyclopentanol, cyclohexanol, cycloheptanol, methylcyclopentanol, methylcyclohexanol, methylcycloheptanol, Benzyl alcohol, ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, propylene glycol monomethyl ether, propylene glycol monoethyl ether Examples include diethylene glycol monomethyl
- diol solvents examples include ethylene glycol, propylene glycol, 1,2-butanediol, 1,3-butanediol, 1,4-butanediol, 1,5-pentanediol, neopentyl glycol, isoprene glycol (3-methyl 1,3-butanediol), 1,2-hexanediol, 1,6-hexanediol, 3-methyl-1,5-pentanediol, 1,2-octanediol, octanediol (2-ethyl-1, 3-hexanediol), 2-butyl-2-ethyl-1,3-propanediol, 2,5-dimethyl-2,5-hexanediol, 1,2-cyclohexanediol, 1,4-cyclohexanediol, 1, 4-cyclohexanedimethanol and the like can be
- ketone solvents include acetone, ethyl methyl ketone, methyl isopropyl ketone, methyl butyl ketone, methyl isobutyl ketone, methyl amyl ketone, methyl hexyl ketone, ethyl butyl ketone, diethyl ketone, dipropyl ketone, diisobutyl ketone, methyl amyl ketone, Examples include cyclohexanone and methylcyclohexanone.
- ester solvents include methyl formate, ethyl formate, methyl acetate, ethyl acetate, isopropyl acetate, butyl acetate, isobutyl acetate, 2 butyl acetate, 3 butyl acetate, amyl acetate, isoamyl acetate, 3 amyl acetate, and phenyl acetate , Methyl propionate, ethyl propionate, isopropyl propionate, butyl propionate, isobutyl propionate, 2 butyl propionate, 3 butyl propionate, amyl propionate, isoamyl propionate, 3 amyl propionate, phenyl propionate , Methyl 2-ethylhexanoate, ethyl 2-ethylhexanoate, propyl 2-ethylhexanoate, isopropyl 2-ethyl
- ether solvents include tetrahydrofuran, tetrahydropyran, morpholine, ethylene glycol dimethyl ether, diethylene glycol dimethyl ether, dipropylene glycol dimethyl ether, triethylene glycol dimethyl ether, dibutyl ether, diethyl ether, and dioxane.
- Aliphatic or alicyclic hydrocarbon solvents include pentane, hexane, cyclohexane, methylcyclohexane, dimethylcyclohexane, ethylcyclohexane, heptane, octane, decalin, solvent naphtha, turpentine oil, D-limonene, pinene, mineral spirit, etc. Can be mentioned.
- Examples of commercially available aliphatic or alicyclic hydrocarbon solvents include the trade name “Swazole # 310” (manufactured by Cosmo Matsuyama Oil Co., Ltd.), the trade name “Solvesso # 100” (manufactured by Exxon Chemical Co., Ltd.), and the like. Can do.
- aromatic hydrocarbon solvent examples include benzene, toluene, ethylbenzene, xylene, mesitylene, diethylbenzene, cumene, isobutylbenzene, cymene, and tetralin.
- hydrocarbon solvents having a cyano group examples include acetonitrile, 1-cyanopropane, 1-cyanobutane, 1-cyanohexane, cyanocyclohexane, cyanobenzene, 1,3-dicyanopropane, 1,4-dicyanobutane, 1,6- Examples include dicyanohexane, 1,4-dicyanocyclohexane, 1,4-dicyanobenzene and the like.
- halogenated aromatic hydrocarbon solvent examples include carbon tetrachloride, chloroform, trichloroethylene, and methylene chloride.
- organic solvents include N-methyl-2-pyrrolidone, dimethyl sulfoxide, dimethylformamide, aniline, triethylamine, pyridine and the like.
- a cured product obtained by curing the resin composition of the present invention has high adhesion to a PET substrate, is colorless and transparent, and is excellent in heat resistance and moisture resistance.
- cured products obtained by curing the resin composition of the present invention are used in electrical and electronic fields such as printed wiring boards, semiconductor sealing insulating materials, power semiconductors, LED lighting, LED backlights, power LEDs, and solar cells. It can be widely applied as a resin base material for various members. Specifically, it is useful as a curable component of a refractive index adjusting layer, a prepreg, a sealant, a laminated substrate, a coating adhesive, an adhesive sheet, and various coating materials.
- the cured product of the present invention is a cured product obtained by curing the above resin composition of the present invention.
- cured material is not specifically limited, For example, a sheet form, a film form, plate shape, etc. can be mentioned.
- the cured product of the present invention can be obtained, for example, by adding a thermal cationic initiator to the above-described resin composition and then curing it by heating in the range of 20 to 100 ° C. for 0.5 to 60 minutes.
- the cured product of the present invention obtained by such a method has high adhesion to a PET substrate, is colorless and transparent, and is excellent in heat resistance and moisture resistance.
- the sheet-like cured product can be produced, for example, by curing a coating layer formed by coating a resin composition on a support such as a carrier film or a metal foil. Moreover, a sheet-like cured product can also be produced by curing a coating layer made of a resin composition after transferring it from a support to a substrate.
- the substrate include a silicon wafer and an aluminum wafer.
- the shape of the substrate include a sheet shape, a film shape, and a plate shape.
- the cured product of the present invention can be produced by applying a known method.
- the resin composition may be coated on the support using various coating devices, or the resin composition on the support using a spray device. May be applied by spraying.
- a coating apparatus for example, a roll coater, a bar coater, a knife coater, a gravure coater, a die coater, a comma coater, a curtain coater, a screen printing apparatus, or the like can be used.
- a support As the support used when forming the sheet-like cured product, it is preferable to select a support that is easy to handle. Moreover, since it peels from a support body when using a sheet-like hardened
- a carrier film As the support, a carrier film is preferable.
- the carrier film for example, a film made of a polyester resin such as polyethylene terephthalate or polybutylene terephthalate; a fluororesin; a heat-resistant thermoplastic resin such as a polyimide resin is suitable.
- the metal foil when used as a support, the metal foil may be peeled off after the cured product is formed, or the metal foil may be etched.
- the metal foil include copper, copper alloy, aluminum, aluminum alloy, iron, iron alloy, silver, silver alloy, gold, gold alloy, zinc, zinc alloy, nickel, nickel alloy, tin
- a metal foil such as a tin-based alloy is preferably selected.
- the thickness of the sheet-shaped cured product may be appropriately set depending on the application, and is usually in the range of 20 to 150 ⁇ m.
- Component A Compound No. 1 30 parts by mass
- component B 40 parts by mass of polybutadiene represented by the general formula (I-3)
- X 1 hydrogen atom
- X 2 hydrogen atom
- C component Compound No. 13 30 parts by mass
- Component A Compound No. 1 30 parts by mass
- component B 40 parts by mass of polybutadiene represented by the general formula (I-3)
- X 1 hydrogen atom
- X 2 hydrogen atom
- C component Compound No. 13 30 parts by mass
- Compound No. 4 Component A) Compound No. 1 40 parts by mass (component B) 20 parts by mass of polybutadiene represented by the general formula (I-3) (X 1 : hydrogen atom, X 2 : hydrogen atom, polystyrene-equivalent number average molecular weight: 2400) (C component) Compound No. 13 40 parts by mass
- Component A Compound No. 1 30 parts by mass
- component B 40 parts by mass of polybutadiene represented by the general formula (I-3)
- X 1 hydrogen atom
- X 2 hydrogen atom
- C component Compound No. 19 30 parts by mass
- Component A Compound No. 1 30 parts by mass
- component B 40 parts by mass of polybutadiene represented by the general formula (I-3)
- X 1 hydrogen atom
- X 2 hydrogen atom
- C component Compound No. 16 30 parts by mass
- Component A Compound No. 1 30 parts by mass
- component B 40 parts by mass of polybutadiene represented by the general formula (I-3)
- X 1 hydrogen atom
- X 2 hydrogen atom
- C component Product name “EHPE-3150” (manufactured by Daicel) 30 parts by mass
- Component A Compound No. 1 30 parts by mass
- component B 40 parts by mass of polybutadiene represented by the general formula (I-3)
- X 1 hydrogen atom
- X 2 hydrogen atom
- C component Compound No. 20 30 parts by mass
- Comparative compositions 1 to 4 were produced according to the formulation shown below.
- Component A Compound No. 1 30 parts by mass
- component B 40 parts by mass of polybutadiene represented by the general formula (I-3) (X 1 : hydroxyl group, X 2 : hydroxyl group, polystyrene-equivalent number average molecular weight: 5900)
- C component Compound No. 13 30 parts by mass
- Component A Compound No. 1 30 parts by mass
- component B 40 parts by mass of polybutadiene represented by the general formula (I-3)
- X 1 hydrogen atom
- X 2 hydrogen atom
- C component Product name "EOCN-104S” (Nippon Kayaku Co., Ltd.) 30 parts by mass
- Component A Compound No. 1 40 parts by mass
- component B 60 parts by mass of polybutadiene represented by the general formula (I-3)
- X 1 hydrogen atom
- X 2 hydrogen atom
- component C (trade name “EOCN-104S” (manufactured by Nippon Kayaku Co., Ltd.)) used for the production of Comparative Composition 2 is shown below.
- Example 10 to 18 Evaluation thin film No. Production of resin compositions Nos. 1 to 9
- a sample solution was prepared by adding 0.5 parts by mass of a trade name “Sun-Aid SI-60L” (manufactured by Sanshin Chemical Industry Co., Ltd.) as a curing agent and 400 parts by mass of methyl ethyl ketone as a solvent with respect to 100 parts by mass of 1-9. .
- a sample solution was applied by a bar coating method on a PET film having a thickness of 50 ⁇ m so that the film thickness after curing was 1 ⁇ m to form a coating film. Subsequently, using a hot air dryer, the coating film was cured at 190 ° C. for 3 minutes, and the evaluation thin film No. 1-9 were obtained.
- Table 1 shows the correspondence between the composition and the thin film.
- Comparative thin films 1 to 4 were obtained in the same manner as in Examples 10 to 18 except that Comparative compositions 1 to 4 were used in place of 1 to 9. Table 1 shows the correspondence between the composition and the thin film.
- Comparative composition 2 was colored yellow, and the thin film produced using this comparative composition 2 was also colored yellow. Since the colored thin film cannot be used for the index matching layer, it was not used for the subsequent evaluation. In addition, when the comparative composition 3 was used, the sample solution was not mixed uniformly, and a uniform thin film could not be obtained, so that it was not used for the subsequent evaluation. On the other hand, the evaluation thin film No. 1 to 9 and comparative thin films 1 and 4 were all colorless and transparent and uniform thin films.
- Adhesion A cross-cut tape peel test was performed in which an adhesive cellophane tape (trade name “Industrial 24 mm width cello tape (registered trademark)”, manufactured by Nichiban Co., Ltd.) was applied to a thin film cut at 100 points in a size of 1 mm ⁇ 1 mm and then peeled off. . The number of thin film pieces that did not peel after the test was measured, and the ratio to the number of thin film pieces (100) was calculated as an index of adhesion. The results are shown in Table 2.
- an adhesive cellophane tape trade name “Industrial 24 mm width cello tape (registered trademark)”, manufactured by Nichiban Co., Ltd.
- the evaluation thin film No. 1 to 9 are all thin films having excellent heat resistance, moisture resistance, and adhesion.
- the comparative thin film 1 has good heat resistance and moisture resistance but is inferior in adhesion.
- the comparative thin film 4 has good adhesion to some extent but is inferior in heat resistance and moisture resistance.
- Examples 19 to 27 Cured Nos. Production of resin compositions Nos. 1 to 9
- a sample solution was prepared by adding 0.5 parts by mass of a trade name “Sun-Aid SI-60L” (manufactured by Sanshin Chemical Industry Co., Ltd.) as a curing agent and 400 parts by mass of methyl ethyl ketone as a solvent with respect to 100 parts by mass of 1-9. .
- a 0.5 mL sample solution was dropped on a hot plate having a surface temperature of 110 ° C., and then stirred and cured to produce a cured product.
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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- Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
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Abstract
Description
熱カチオン重合開始剤としては、例えば、ベンジルスルホニウム塩、チオフェニウム塩、チオラニウム塩、ベンジルアンモニウム、ピリジニウム塩、ヒドラジニウム塩、カルボン酸エステル、スルホン酸エステル、アミンイミド等を挙げることができる。これらの熱カチオン重合開始剤は、容易に入手可能な市販品を用いることができる。(D)成分として用いることができる市販品としては、いずれも商品名で、アデカオプトンCP77、アデカオプトンCP66(ADEKA社製);CI-2639、CI-2624(日本曹達社製);サンエイドSI-60L、サンエイドSI-80L、サンエイドSI-100L(三新化学工業社製)などを挙げることができる。
以下に示す配合にしたがって樹脂組成物No.1~9を製造した。
(A成分)
化合物No.1 30質量部
(B成分)
一般式(I-3)で表されるポリブタジエン 40質量部
(X1:水素原子、X2:水素原子、ポリスチレン換算の数平均分子量:2400)
(C成分)
化合物No.13 30質量部
(A成分)
化合物No.1 30質量部
(B成分)
一般式(I-3)で表されるポリブタジエン 40質量部
(X1:水素原子、X2:水素原子、ポリスチレン換算の数平均分子量:3700)
(C成分)
化合物No.13 30質量部
(A成分)
化合物No.1 30質量部
(B成分)
一般式(I-3)で表されるポリブタジエン 40質量部
(X1:水素原子、X2:水素原子、ポリスチレン換算の数平均分子量:3400)
(C成分)
化合物No.13 30質量部
(A成分)
化合物No.1 40質量部
(B成分)
一般式(I-3)で表されるポリブタジエン 20質量部
(X1:水素原子、X2:水素原子、ポリスチレン換算の数平均分子量:2400)
(C成分)
化合物No.13 40質量部
(A成分)
化合物No.1 20質量部
(B成分)
一般式(I-3)で表されるポリブタジエン 60質量部
(X1:水素原子、X2:水素原子、ポリスチレン換算の数平均分子量:2400)
(C成分)
化合物No.13 20質量部
(A成分)
化合物No.1 30質量部
(B成分)
一般式(I-3)で表されるポリブタジエン 40質量部
(X1:水素原子、X2:水素原子、ポリスチレン換算の数平均分子量:2400)
(C成分)
化合物No.19 30質量部
(A成分)
化合物No.1 30質量部
(B成分)
一般式(I-3)で表されるポリブタジエン 40質量部
(X1:水素原子、X2:水素原子、ポリスチレン換算の数平均分子量:2400)
(C成分)
化合物No.16 30質量部
(A成分)
化合物No.1 30質量部
(B成分)
一般式(I-3)で表されるポリブタジエン 40質量部
(X1:水素原子、X2:水素原子、ポリスチレン換算の数平均分子量:2400)
(C成分)
商品名「EHPE-3150」(ダイセル社製) 30質量部
(A成分)
化合物No.1 30質量部
(B成分)
一般式(I-3)で表されるポリブタジエン 40質量部
(X1:水素原子、X2:水素原子、ポリスチレン換算の数平均分子量:2400)
(C成分)
化合物No.20 30質量部
以下に示す配合にしたがって比較組成物1~4を製造した。
(A成分)
化合物No.1 30質量部
(B成分)
一般式(I-3)で表されるポリブタジエン 40質量部
(X1:水酸基、X2:水酸基、ポリスチレン換算の数平均分子量:5900)
(C成分)
化合物No.13 30質量部
(A成分)
化合物No.1 30質量部
(B成分)
一般式(I-3)で表されるポリブタジエン 40質量部
(X1:水素原子、X2:水素原子、ポリスチレン換算の数平均分子量:2400)
(C成分)
商品名「EOCN-104S」(日本化薬社製) 30質量部
(A成分)
化合物No.1 40質量部
(B成分)
一般式(I-3)で表されるポリブタジエン 60質量部
(X1:水素原子、X2:水素原子、ポリスチレン換算の数平均分子量:2400)
(C成分)
なし
(A成分)
化合物No.1 70質量部
(B成分)
なし
(C成分)
化合物No.13 30質量部
樹脂組成物No.1~9 100質量部に対して、硬化剤として商品名「サンエイドSI-60L」(三新化学工業社製)0.5質量部、及び溶剤としてメチルエチルケトン400質量部を加えて試料溶液を調製した。厚さ50μmのPETフィルム上に、硬化後の膜厚が1μmとなるように試料溶液をバーコート法で塗布して塗膜を形成した。次いで、熱風乾燥機を使用し、190℃、3分の条件で塗膜を硬化させて評価用薄膜No.1~9を得た。組成物と薄膜の対応関係を表1に示す。
樹脂組成物No.1~9に代えて、比較組成物1~4を用いたこと以外は、前述の実施例10~18と同様の方法で比較薄膜1~4を得た。組成物と薄膜の対応関係を表1に示す。
[耐熱性]
加熱乾燥機を使用し、150℃、2時間の条件で薄膜を加熱する加熱試験を実施した。加熱試験後の薄膜を目視にて観察し、外観に変化がない場合を「○」、白化した場合を「×」と評価した。結果を表2に示す。
恒温恒湿槽を使用し、121℃、湿度100%RHの環境下に薄膜を12時間保持する試験を実施した。試験後の薄膜を目視にて観察し、外観に変化がない場合を「○」、白化した場合を「×」と評価した。結果を表2に示す。
1mm×1mmのサイズに100点カットした薄膜に、粘着セロファンテープ(商品名「工業用24mm巾セロテープ(登録商標)」、ニチバン社製)を貼りつけた後に剥離するクロスカットテープピール試験を実施した。試験後に剥離しなかった薄膜片の数を計測し、薄膜片の数(100)に対する比を算出して密着性の指標とした。結果を表2に示す。
樹脂組成物No.1~9 100質量部に対して、硬化剤として商品名「サンエイドSI-60L」(三新化学工業社製)0.5質量部、及び溶剤としてメチルエチルケトン400質量部を加えて試料溶液を調製した。表面温度110℃の熱板上に試料溶液0.5mLをそれぞれ滴下した後に撹拌し、硬化させて硬化物を製造した。
熱板上に試料溶液を滴下してから、硬化物が形成されるまでの時間(ゲル化時間)を測定した。結果を表3に示す。
Claims (5)
- (A)2官能性脂環式エポキシ樹脂化合物と、(B)下記一般式(I)で表される、数平均分子量がポリスチレン換算で100~5000であるポリブタジエン樹脂化合物と、(C)下記一般式(II)又は(III)で表されるエポキシ樹脂化合物と、を含有し、
前記(A)成分、前記(B)成分、及び前記(C)成分の総量に対して、前記(A)成分の含有割合が10~60質量%、前記(B)成分の含有割合が10~80質量%、及び前記(C)成分の含有割合が10~60質量%である樹脂組成物。
(前記一般式(I)中、X1及びX2は、それぞれ独立に水素原子又は水酸基を表し、Yは、下記一般式(I-1)及び(I-2)で表されるユニットを含む基を表す)
(前記一般式(I-1)及び(I-2)中、n及びmは、前記ポリブタジエン樹脂化合物の数平均分子量がポリスチレン換算で100~5000となる数を表す)
(前記一般式(II)中、Z1は、炭素原子数1~20のアルカンジイル基又は炭素原子数6~30のアリールジイル基を表し、Z2及びZ3は、それぞれ独立に単結合、炭素原子数1~20のアルカンジイル基、又は炭素原子数6~30のアリールジイル基を表す)
(前記一般式(III)中、R1は、水素原子又は炭素原子数1~20の炭化水素基を表し、kは3~30の数を表し、rは1~3の数を表す) - さらに(D)熱カチオン重合開始剤を含有する請求項1又は2に記載の樹脂組成物。
- 請求項1~3のいずれか一項に記載の樹脂組成物を硬化させて得られる硬化物。
- 前記樹脂組成物を20~100℃の範囲で0.5~60分加熱して硬化させて得られる請求項4に記載の硬化物。
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