WO2016175106A1 - 樹脂組成物、プリプレグ、金属箔張積層板、樹脂シート、及びプリント配線板 - Google Patents
樹脂組成物、プリプレグ、金属箔張積層板、樹脂シート、及びプリント配線板 Download PDFInfo
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- WO2016175106A1 WO2016175106A1 PCT/JP2016/062569 JP2016062569W WO2016175106A1 WO 2016175106 A1 WO2016175106 A1 WO 2016175106A1 JP 2016062569 W JP2016062569 W JP 2016062569W WO 2016175106 A1 WO2016175106 A1 WO 2016175106A1
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0011—Working of insulating substrates or insulating layers
- H05K3/0017—Etching of the substrate by chemical or physical means
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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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal 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
- B32B15/092—Layered products comprising a layer of metal comprising metal 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 comprising epoxy resins
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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
- C08G59/02—Polycondensates containing more than one epoxy group per molecule
- C08G59/04—Polycondensates containing more than one epoxy group per molecule of polyhydroxy compounds with epihalohydrins or precursors thereof
- C08G59/06—Polycondensates containing more than one epoxy group per molecule of polyhydroxy compounds with epihalohydrins or precursors thereof of polyhydric phenols
- C08G59/066—Polycondensates containing more than one epoxy group per molecule of polyhydroxy compounds with epihalohydrins or precursors thereof of polyhydric phenols with chain extension or advancing agents
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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
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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
- C08G59/245—Di-epoxy compounds carbocyclic aromatic
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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
- C08G59/40—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 curing agents used
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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
- C08G59/40—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 curing agents used
- C08G59/4007—Curing agents not provided for by the groups C08G59/42 - C08G59/66
- C08G59/4014—Nitrogen containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
- C08J5/241—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using inorganic fibres
- C08J5/244—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using inorganic fibres using glass fibres
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
- C08J5/249—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs characterised by the additives used in the prepolymer mixture
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
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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
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/315—Compounds containing carbon-to-nitrogen triple bonds
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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
- C08L101/00—Compositions of unspecified macromolecular compounds
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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
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0313—Organic insulating material
- H05K1/0353—Organic insulating material consisting of two or more materials, e.g. two or more polymers, polymer + filler, + reinforcement
- H05K1/0373—Organic insulating material consisting of two or more materials, e.g. two or more polymers, polymer + filler, + reinforcement containing additives, e.g. fillers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/38—Improvement of the adhesion between the insulating substrate and the metal
- H05K3/386—Improvement of the adhesion between the insulating substrate and the metal by the use of an organic polymeric bonding layer, e.g. adhesive
- H05K3/387—Improvement of the adhesion between the insulating substrate and the metal by the use of an organic polymeric bonding layer, e.g. adhesive for electroless plating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2363/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
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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
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/206—Applications use in electrical or conductive gadgets use in coating or encapsulating of electronic parts
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/02—Fillers; Particles; Fibers; Reinforcement materials
- H05K2201/0203—Fillers and particles
- H05K2201/0206—Materials
- H05K2201/0209—Inorganic, non-metallic particles
Definitions
- the present invention relates to a resin composition, a prepreg, a metal foil-clad laminate, a resin sheet, and a printed wiring board.
- the required properties include, for example, properties such as low water absorption, moisture absorption heat resistance, flame resistance, low dielectric constant, low dielectric loss tangent, low thermal expansion coefficient, heat resistance, chemical resistance, and high plating peel strength. However, so far, these required properties have not always been satisfied.
- cyanate ester compounds have been known as resins for printed wiring boards that have excellent heat resistance and electrical characteristics.
- resin compositions in which an epoxy resin or the like is used in combination with a cyanate ester compound have recently been used for semiconductor plastic packages. It is widely used for high-performance printed wiring board materials.
- the multilayer printed wiring board is required to have a multi-layered build-up layer and to make the wiring finer and higher in density.
- the present invention has been made in view of the above-described problems of the prior art, and a cured product having excellent heat resistance and plating adhesion can be obtained, and a printed wiring board having excellent plating peel strength can be realized. It aims at providing a resin composition.
- the present inventors have excellent heat resistance by using a resin composition containing a cyanate ester compound (A) and an epoxy resin (B) having a predetermined structure, and The present inventors have found that a cured product having excellent plating adhesion can be obtained, and that a printed wiring board having a high plating peel strength can be obtained. That is, the present invention is as follows.
- a resin composition comprising a cyanate ester compound (A) and an epoxy resin (B) represented by the following general formula (1).
- m and n each independently represent an integer of 1 or more.
- m and n each independently represent a different integer. It may be a mixture.
- the content of the epoxy resin (B) represented by the general formula (1) is 1 to 90 parts by mass with respect to the total amount (100 parts by mass) of resin solids in the resin composition.
- the resin composition as described in. [3] The resin composition according to [1] or [2], further containing a filler (C).
- [4] Selected from the group consisting of an epoxy resin other than the epoxy resin (B) represented by the general formula (1), a maleimide compound, a phenol resin, an oxetane resin, a benzoxazine compound, and a compound having a polymerizable unsaturated group.
- the resin composition according to any one of [1] to [3], further containing one kind or two or more kinds.
- [5] The resin according to [3] or [4], wherein a content of the filler (C) is 50 to 1600 parts by mass with respect to a total amount (100 parts by mass) of resin solids in the resin composition. Composition.
- a prepreg comprising a base material and the resin composition according to any one of [1] to [5] impregnated or coated on the base material.
- a metal foil-clad laminate comprising one or two or more prepregs according to [6], and a metal foil laminated and formed on one or both sides of the prepreg.
- a resin sheet comprising: a sheet base material; and the resin composition according to any one of [1] to [5], which is applied and dried on one or both sides of the sheet base material.
- a printed wiring board having an insulating layer containing the resin composition according to any one of [1] to [5], and a conductor layer formed on one or both surfaces of the insulating layer.
- a cured product having excellent heat resistance and plating adhesion can be obtained, and a high-performance printed wiring board having excellent plating peel strength can be realized.
- the present embodiment a mode for carrying out the present invention (hereinafter simply referred to as “the present embodiment”) will be described in detail.
- the following embodiment is an exemplification for explaining the present invention, and is not intended to limit the present invention to the following embodiment.
- the present invention can be implemented with appropriate modifications within the scope of the gist thereof.
- the resin composition of this embodiment contains a cyanate ester compound (A) and an epoxy resin (B) represented by the following general formula (1) (hereinafter also simply referred to as “epoxy resin (B)”). .
- epoxy resin (B) represented by the following general formula (1)
- m and n each independently represent an integer of 1 or more.
- the epoxy resin (B) represented by the general formula (1) may be a mixture of compounds in which m and n each independently represent different integers.
- a high-performance printed wiring board having excellent plating peel strength can be realized. This factor is inferred as follows (however, the factor is not limited to this).
- the resin composition of this embodiment mainly contains the epoxy resin (B) represented by the general formula (1), the viscosity of the epoxy resin (B) is relatively low, and the resin composition is molded. In addition, an excellent plating peel strength can be obtained due to the small size of the space generated with respect to the target such as the base material or the support. Further, by containing mainly the cyanate ester compound (A), a cured product having excellent heat resistance and excellent plating adhesion can be obtained due to the high glass transition temperature.
- the cyanate ester compound (A) of the present embodiment is not particularly limited as long as it is a resin having in its molecule an aromatic moiety substituted with at least one cyanate group (cyanate ester group).
- cyanate ester group a resin having in its molecule an aromatic moiety substituted with at least one cyanate group (cyanate ester group).
- each Ar 1 independently represents a phenylene group which may have a substituent, a naphthylene group which may have a substituent, or a biphenylene group which may have a substituent.
- Each Ra may independently have a hydrogen atom, an optionally substituted alkyl group having 1 to 6 carbon atoms, an optionally substituted aryl group having 6 to 12 carbon atoms, or a substituent.
- alkoxyl group having 1 to 4 carbon atoms an aralkyl group which may have a substituent in which an alkyl group having 1 to 6 carbon atoms and an aryl group having 6 to 12 carbon atoms are bonded, or an alkyl group having 1 to 6 carbon atoms; It is selected from any one of alkylaryl groups which may have a substituent bonded to an aryl group having 6 to 12 carbon atoms.
- p represents the number of cyanato groups bonded to Ar 1 and is an integer of 1 to 3.
- q represents the number of Ra bonded to Ar 1, and is 4-p when Ar 1 is a phenylene group, 6-p when Ar 1 is phenylene group, and 8-p when Ar 1 is biphenylene group.
- t represents an average number of repetitions and is an integer of 0 to 50, and t may be a mixture of different compounds.
- the alkyl group represented by Ra in the general formula (2) may have either a chain structure or a cyclic structure (such as a cycloalkyl group).
- the hydrogen atom in the alkyl group and aryl group in Ra in the general formula (2) may be substituted with a halogen atom such as fluorine or chlorine, an alkoxyl group such as a methoxy group or a phenoxy group, a cyano group, or the like.
- alkyl group in Ra of the general formula (2) are not particularly limited, but are methyl group, ethyl group, propyl group, isopropyl group, n-butyl group, isobutyl group, tert-butyl group, n-pentyl group.
- aryl group in Ra of the general formula (2) are not particularly limited, but include a phenyl group, a xylyl group, a mesityl group, a naphthyl group, a phenoxyphenyl group, an ethylphenyl group, o-, m-, or p-fluoro.
- alkoxyl group in Ra in the general formula (2) examples include, but are not limited to, methoxy group, ethoxy group, propoxy group, isopropoxy group, n-butoxy group, isobutoxy group, and tert-butoxy group. .
- divalent organic group represented by X in the general formula (2) are not particularly limited, but include a methylene group, an ethylene group, a trimethylene group, a cyclopentylene group, a cyclohexylene group, a trimethylcyclohexylene group, and biphenylyl.
- examples include a methylene group, a dimethylmethylene-phenylene-dimethylmethylene group, a fluorenediyl group, and a phthalidodiyl group.
- the hydrogen atom in the divalent organic group represented by X may be substituted with a halogen atom such as fluorine or chlorine, an alkoxyl group such as a methoxy group or a phenoxy group, a cyano group, or the like.
- a halogen atom such as fluorine or chlorine
- an alkoxyl group such as a methoxy group or a phenoxy group, a cyano group, or the like.
- the divalent organic group having 1 to 10 nitrogen atoms in X of the general formula (2) is not particularly limited, and examples thereof include an imino group and a polyimide group.
- Ar 2 is independently selected from any one of a phenylene group, a naphthylene group, and a biphenylene group.
- Rb, Rc, Rf and Rg are each independently an aryl group substituted with at least one hydrogen atom, an alkyl group having 1 to 6 carbon atoms, an aryl group having 6 to 12 carbon atoms, a trifluoromethyl group and a phenolic hydroxy group. It is selected from any one kind.
- Rd and Re are each independently selected from any one of a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, an aryl group having 6 to 12 carbon atoms, an alkoxyl group having 1 to 4 carbon atoms, and a hydroxy group.
- u represents an integer of 0 to 5, but may be a mixture of compounds having different u.
- each Ar 3 is independently selected from any one of a phenylene group, a naphthylene group, and a biphenylene group.
- Ri and Rj are each independently a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, an aryl group having 6 to 12 carbon atoms, a benzyl group, an alkoxyl group having 1 to 4 carbon atoms, a hydroxy group, a trifluoromethyl group, and a cyanato group. Is selected from any one of at least one substituted aryl group.
- v represents an integer of 0 to 5, but may be a mixture of compounds having different v.
- X in General formula (2) the bivalent group represented by a following formula is mentioned.
- z represents an integer of 4 to 7.
- Each Rk independently represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms.
- Ar 3 of Ar 2 and of the general formula (3) (4), 1,4-phenylene group, a 1,3-phenylene group, 4,4'-biphenylene, 2,4'- Biphenylene group, 2,2′-biphenylene group, 2,3′-biphenylene group, 3,3′-biphenylene group, 3,4′-biphenylene group, 2,6-naphthylene group, 1,5-naphthylene group, , 6-naphthylene group, 1,8-naphthylene group, 1,3-naphthylene group, and 1,4-naphthylene group.
- cyanato-substituted aromatic compound represented by the general formula (2) include cyanatobenzene, 1-cyanato-2-, 1-cyanato-3-, or 1-cyanato-4-methylbenzene, Cyanato-2-, 1-cyanato-3-, or 1-cyanato-4-methoxybenzene, 1-cyanato-2,3-, 1-cyanato-2,4-, 1-cyanato-2,5-, 1 -Cyanato-2,6-, 1-cyanato-3,4- or 1-cyanato-3,5-dimethylbenzene, cyanatoethylbenzene, cyanatobutylbenzene, cyanatooctylbenzene, cyanatononylbenzene, 2- ( 4-cyanaphenyl) -2-phenylpropane (cyanate of 4- ⁇ -cumylphenol), 1-cyanato-4-cyclohexylbenzene, 1-cyanato-4-vinylbenzene 1-cyanato
- the phenol novolac-type cyanate ester compound and the cresol novolac-type cyanate ester compound include those obtained by cyanating a phenol novolac resin or a cresol novolak resin by a known method.
- Examples of the phenol novolak resin and the cresol novolak resin include those obtained by reacting phenol, alkyl-substituted phenol or halogen-substituted phenol with a formaldehyde compound such as formalin or paraformaldehyde in an acidic solution by a known method.
- Examples of the trisphenol novolak type cyanate ester compound include those obtained by cyanating a trisphenol novolac resin by a known method.
- Examples of the trisphenol novolak resin include those obtained by reacting hydroxybenzaldehyde and phenol in the presence of an acidic catalyst.
- fluorene novolac type cyanate ester compound examples include those obtained by cyanating a fluorene novolac resin by a known method.
- fluorene novolak resin examples include those obtained by reacting a fluorenone compound with 9,9-bis (hydroxyaryl) fluorene in the presence of an acidic catalyst.
- an acid catalyst or a bishalogenomethyl compound represented by Ar 2- (CH 2 Y) 2 can be converted into an acidic catalyst by a known method.
- Non-catalyzed reaction, bis (alkoxymethyl) compound represented by Ar 2- (CH 2 OR) 2 or bis (hydroxymethyl) represented by Ar 2- (CH 2 OH) 2 Examples include those obtained by reacting a compound and a phenol compound in the presence of an acidic catalyst, or those obtained by polycondensing an aromatic aldehyde compound, an aralkyl compound, or a phenol compound.
- Examples of the phenol-modified xylene formaldehyde-type cyanate compound include those obtained by cyanating a phenol-modified xylene formaldehyde resin by a known method.
- Examples of the phenol-modified xylene formaldehyde resin include those obtained by reacting a xylene formaldehyde resin and a phenol compound in the presence of an acidic catalyst by a known method.
- modified naphthalene formaldehyde type cyanate compound examples include those obtained by cyanating a modified naphthalene formaldehyde resin by a known method.
- modified naphthalene formaldehyde resin examples include those obtained by reacting a naphthalene formaldehyde resin and a hydroxy-substituted aromatic compound in the presence of an acidic catalyst by a known method.
- the phenol-modified dicyclopentadiene-type cyanate ester compound and the cyanate ester compound of the phenol resin having a polynaphthylene ether structure are phenol-modified dicyclopentadiene resin and phenol resin having a polynaphthylene ether structure by a known method. Examples include cyanate.
- a phenol-modified dicyclopentadiene resin or a phenol resin having a polynaphthylene ether structure is prepared by, in the presence of a basic catalyst, a polyvalent hydroxynaphthalene compound having two or more phenolic hydroxy groups in one molecule by a known method. And those obtained by dehydration condensation.
- phenol novolac-type cyanate ester compounds naphthol aralkyl-type cyanate ester compounds, biphenyl aralkyl-type cyanate ester compounds, naphthylene ether-type cyanate ester compounds, xylene resin-type cyanate ester compounds, and adamantane skeleton-type cyanides
- Acid ester compounds are preferred, and naphthol aralkyl type cyanate ester compounds are more preferred.
- the cured product obtained from the resin composition using these cyanate ester compounds (A) is excellent in heat resistance and plating adhesion due to its high glass transition temperature.
- a cured product obtained from a resin composition using a naphthol aralkyl-type cyanate ester compound has an excellent balance between heat resistance and plating adhesion.
- the content of the cyanate ester compound (A) can be appropriately set according to the desired properties and is not particularly limited.
- the content of the cyanate ester compound (A) is 1 to 4 with respect to the total amount of resin solids (100 parts by mass) in the resin composition.
- the amount is preferably 90 parts by mass, more preferably 10 to 85 parts by mass, still more preferably 30 to 75 parts by mass, and still more preferably 40 to 60 parts by mass.
- the content of the cyanate ester compound (A) is 1 part by mass or more, more excellent heat resistance tends to be obtained, and the content of the cyanate ester compound (A) is 90 parts by mass or less. By existing, there exists a tendency for the more excellent plating peel strength to be obtained.
- the “resin solid content in the resin composition” means a component excluding components other than the resin such as a solvent and a filler (C) in the resin composition unless otherwise specified.
- the “total amount of minutes” refers to the total amount of components excluding the solvent, other than the resin such as the filler (C) in the resin composition.
- the epoxy resin (B) of this embodiment is represented by the following general formula (1).
- m and n show an integer greater than or equal to 1.
- the epoxy resin (B) represented by the general formula (1) may be a mixture of compounds in which m and n each independently represent different integers.
- the viscosity of the epoxy resin (B) represented by the general formula (1) is not particularly limited, but is preferably 10 mPa ⁇ s / 25 ° C. or more and 20000 mPa ⁇ s / 25 ° C. or less, and 100 mPa ⁇ s / 25 ° C. or more. More preferably, it is 10,000 mPa ⁇ s / 25 ° C. or less, more preferably 500 mPa ⁇ s / 25 ° C. or more and 5000 mPa ⁇ s / 25 ° C. or less, and 1000 mPa ⁇ s / 25 ° C. or more and 2500 mPa ⁇ s / 25 ° C.
- the epoxy resin (B) having a viscosity in the above range can be appropriately selected from commercially available ones, and these may be combined.
- the epoxy resin (B) represented by the general formula (1) is not particularly limited as long as it is represented by the general formula (1), and a commercially available product may be used, for example, manufactured by ADEKA Corporation.
- the trade name “EP-4000S” is preferred.
- the content of the epoxy resin (B) represented by the general formula (1) can be appropriately set according to desired properties, and is not particularly limited.
- the total amount of resin solids in the resin composition (100 mass) Part) is preferably 1 to 90 parts by weight, more preferably 20 to 75 parts by weight, still more preferably 40 to 60 parts by weight, and further preferably 40 to 60 parts by weight. Even more preferred.
- the content of the epoxy resin (B) is 1 part by mass or more, more excellent plating peel strength tends to be obtained, and the content of the epoxy resin (B) is 90 parts by mass or less. , More excellent heat resistance tends to be obtained.
- the resin composition of this embodiment further contains a filler (C).
- a filler (C) By containing a filler (C), the effect of this invention can be show
- silicas such as natural silica, fused silica, synthetic silica, amorphous silica, aerosil, hollow silica, white carbon, titanium white, zinc oxide, magnesium oxide, zirconium oxide, boron nitride, aggregated boron nitride, silicon nitride , Aluminum nitride, Barium sulfate, Aluminum hydroxide, Aluminum hydroxide heat-treated product (Aluminum hydroxide is heat-treated and part of crystal water is reduced), Boehmite, Magnesium hydroxide and other metal hydrates, Oxidation Molybdenum compounds such as molybdenum and zinc molybdate, zinc borate, zinc stannate, alumina, clay, kaolin, talc, calcined clay, calcined kaolin,
- inorganic fillers such as short glass fibers (including glass fine powders such as E glass, T glass, D glass, S glass, and Q glass), hollow glass, spherical glass, styrene type, butadiene
- organic fillers such as rubber powders such as molds and acrylic molds, core-shell rubber powders, silicone resin powders, silicone rubber powders, and silicone composite powders.
- These fillers (C) can be used alone or in combination of two or more.
- fillers (C) tends to further improve properties such as plating peel strength, thermal expansion characteristics, dimensional stability, and flame retardancy of the resin composition.
- the content of the filler (C) in the resin composition of the present embodiment can be appropriately set according to desired characteristics, and is not particularly limited, but the total amount of resin solids in the resin composition (100 parts by mass) ) Is preferably 50 to 1600 parts by mass, more preferably 60 to 1000 parts by mass, further preferably 70 to 500 parts by mass, and more preferably 80 to 200 parts by mass. Further preferred. When the content of the filler (C) is 50 to 1600 parts by mass, the moldability of the resin composition tends to be good.
- silane coupling agent those generally used for inorganic surface treatment can be suitably used, and the type thereof is not particularly limited.
- aminosilanes such as ⁇ -aminopropyltriethoxysilane, N- ⁇ - (aminoethyl) - ⁇ -aminopropyltrimethoxylane, ⁇ -glycidoxypropyltrimethoxysilane, ⁇ - (3,4 Epoxy silanes such as epoxy cyclohexyl) ethyltrimethoxysilane, vinyl silanes such as ⁇ -methacryloxypropyltrimethoxysilane, vinyl-tri ( ⁇ -methoxyethoxy) silane, N- ⁇ - (N-vinylbenzylaminoethyl)- Examples include cationic silanes such as ⁇ -aminopropyltrimethoxysilane hydrochloride, and phenylsilanes.
- a silane coupling agent can be used individually by 1 type or in combination of 2 or more types.
- a wet dispersing agent what is generally used for coating materials can be used suitably, The kind is not specifically limited.
- a copolymer-based wetting and dispersing agent is used, and specific examples thereof include Disperbyk-110, 111, 161, 180, BYK-W996, BYK-W9010, BYK-W903 manufactured by Big Chemie Japan Co., Ltd. , BYK-W940.
- Wet dispersants can be used alone or in combination of two or more.
- the resin composition of this embodiment may contain other components as necessary.
- other components include, but are not limited to, epoxy resins other than the epoxy resin (B) (hereinafter referred to as “other epoxy resins”), maleimide compounds, phenol resins, oxetane resins, benzoxazine compounds, and Any one or more selected from the group consisting of compounds having a polymerizable unsaturated group may be mentioned.
- epoxy resins other than the epoxy resin (B) hereinafter referred to as “other epoxy resins”
- maleimide compounds maleimide compounds
- phenol resins phenol resins
- oxetane resins oxetane resins
- benzoxazine compounds any one or more selected from the group consisting of compounds having a polymerizable unsaturated group may be mentioned.
- epoxy resins those that do not have the structural unit represented by the general formula (1) and that have two or more epoxy groups in one molecule should be appropriately used.
- the type is not particularly limited. Specifically, bisphenol A type epoxy resin, bisphenol E type epoxy resin, bisphenol F type epoxy resin, bisphenol S type epoxy resin, phenol novolac type epoxy resin, bisphenol A novolac type epoxy resin, glycidyl ester type epoxy resin, aralkyl novolak Type epoxy resin, biphenyl aralkyl type epoxy resin, naphthylene ether type epoxy resin, cresol novolac type epoxy resin, polyfunctional phenol type epoxy resin, naphthalene type epoxy resin, anthracene type epoxy resin, naphthalene skeleton modified novolak type epoxy resin, phenol aralkyl Type epoxy resin, naphthol aralkyl type epoxy resin, dicyclopentadiene type epoxy resin, biphenyl type epoxy resin, alicyclic ester Carboxy resin, a polyol type
- biphenyl aralkyl type epoxy resins biphenyl aralkyl type epoxy resins, naphthylene ether type epoxy resins, polyfunctional phenol type epoxy resins, and naphthalene type epoxy resins are preferable.
- flame retardancy and heat resistance tend to be further improved.
- These epoxy resins can be used alone or in combination of two or more.
- the maleimide compound a generally known compound can be used as long as it is a compound having one or more maleimide groups in one molecule, and the kind thereof is not particularly limited.
- phenol resin generally known ones can be used as long as they are phenol resins having two or more hydroxy groups in one molecule, and the kind thereof is not particularly limited. Specifically, bisphenol A type phenol resin, bisphenol E type phenol resin, bisphenol F type phenol resin, bisphenol S type phenol resin, phenol novolac resin, bisphenol A novolac type phenol resin, glycidyl ester type phenol resin, aralkyl novolac type phenol Resin, biphenyl aralkyl type phenol resin, cresol novolac type phenol resin, polyfunctional phenol resin, naphthol resin, naphthol novolac resin, polyfunctional naphthol resin, anthracene type phenol resin, naphthalene skeleton modified novolak type phenol resin, phenol aralkyl type phenol resin, Naphthol aralkyl type phenol resin, dicyclopentadiene type phenol resin, biphenyl type phenol Cycloaliphatic,
- phenol resins biphenyl aralkyl type phenol resins, naphthol aralkyl type phenol resins, phosphorus-containing phenol resins, and hydroxyl group-containing silicone resins are more preferable in terms of flame retardancy.
- These phenol resins can be used individually by 1 type or in combination of 2 or more types.
- oxetane resin generally known oxetane resins can be used, and the type is not particularly limited. Specifically, oxetane, 2-methyloxetane, 2,2-dimethyloxetane, 3-methyloxetane, alkyloxetane such as 3,3-dimethyloxetane, 3-methyl-3-methoxymethyloxetane, 3,3-di- (Trifluoromethyl) perfluoxetane, 2-chloromethyloxetane, 3,3-bis (chloromethyl) oxetane, biphenyl type oxetane, OXT-101 (trade name, manufactured by Toagosei Co., Ltd.), and OXT-121 (product manufactured by Toagosei Co., Ltd.) Name). These oxetane resins can be used alone or in combination of two or more.
- benzoxazine compound a generally known compound can be used as long as it has two or more dihydrobenzoxazine rings in one molecule, and the kind thereof is not particularly limited.
- bisphenol A type benzoxazine BA-BXZ (trade name, manufactured by Konishi Chemical) bisphenol F type benzoxazine BF-BXZ (trade name, manufactured by Konishi Chemical), and bisphenol S type benzoxazine BS-BXZ (product manufactured by Konishi Chemical) Name).
- benzoxazine compounds can be used alone or in combination of two or more.
- the compound having a polymerizable unsaturated group generally known compounds can be used, and the kind thereof is not particularly limited. Specifically, vinyl compounds such as ethylene, propylene, styrene, divinylbenzene, divinylbiphenyl, methyl (meth) acrylate, 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, polypropylene glycol di (meth) ) Acrylate, trimethylolpropane di (meth) acrylate, trimethylolpropane tri (meth) acrylate, pentaerythritol tetra (meth) acrylate, dipentaerythritol hexa (meth) acrylate, etc.
- vinyl compounds such as ethylene, propylene, styrene, divinylbenzene, divinylbiphenyl, methyl (meth) acrylate, 2-hydroxyethyl (meth) acryl
- Epoxy (meth) acrylates such as bisphenol A type epoxy (meth) acrylate, bisphenol F type epoxy (meth) acrylate, benzocyclobutene resin, and (bis Maleimide resins. These compounds having an unsaturated group can be used singly or in combination of two or more.
- the resin composition of the present embodiment may further contain a curing accelerator for appropriately adjusting the curing rate, if necessary.
- a curing accelerator for appropriately adjusting the curing rate, if necessary.
- this hardening accelerator what is generally used as hardening accelerators, such as a cyanate ester compound and an epoxy resin, can be used suitably, The kind is not specifically limited.
- octylate zinc octylate, zinc naphthenate, cobalt naphthenate, copper naphthenate, acetylacetone iron, nickel octylate, manganese octylate and the like, phenol, xylenol, cresol, resorcin, catechol, octylphenol, Phenol compounds such as nonylphenol, alcohols such as 1-butanol and 2-ethylhexanol, 2-methylimidazole, 2-ethyl-4-methylimidazole, 2-phenylimidazole, 1-cyanoethyl-2-phenylimidazole, 1-cyanoethyl Imidazoles such as -2-ethyl-4-methylimidazole, 2-phenyl-4,5-dihydroxymethylimidazole, 2-phenyl-4-methyl-5-hydroxymethylimidazole and the like Derivatives such as adducts of carboxylic
- the content of the curing accelerator can be appropriately adjusted in consideration of the degree of curing of the resin and the viscosity of the resin composition, and is not particularly limited, but is based on the total amount of resin solids (100 parts by mass) in the resin composition. 0.005 to 10 parts by mass is preferable.
- the resin composition of the present embodiment includes various polymer compounds such as other thermosetting resins, thermoplastic resins, oligomers thereof, elastomers, and the like within a range in which desired characteristics are not impaired.
- Various additives and the like can be used in combination. These are not particularly limited as long as they are generally used.
- specific examples of flame retardant compounds include bromine compounds such as 4,4′-dibromobiphenyl, phosphate esters, melamine phosphate, phosphorus-containing epoxy resins, nitrogen compounds such as melamine and benzoguanamine, oxazine ring-containing compounds, And silicone compounds.
- additives include UV absorbers, antioxidants, photopolymerization initiators, fluorescent brighteners, photosensitizers, dyes, pigments, thickeners, flow regulators, lubricants, antifoaming agents, and dispersions. Agents, leveling agents, brighteners, polymerization inhibitors and the like. These may be used alone or in combination of two or more as desired.
- the resin composition of this embodiment can contain an organic solvent as needed.
- the resin composition of the present invention can be used as an embodiment (solution or varnish) in which at least a part, preferably all, of the various resin components described above are dissolved or compatible with an organic solvent. Any known organic solvent can be used as long as it dissolves or is compatible with at least a part, preferably all of the above-mentioned various resin components, and the kind thereof is not particularly limited. .
- ketones such as acetone, methyl ethyl ketone and methyl isobutyl ketone
- cellosolve solvents such as propylene glycol monomethyl ether and propylene glycol monomethyl ether acetate, ethyl lactate, methyl acetate, ethyl acetate, butyl acetate, isoamyl acetate, ethyl lactate And ester solvents such as methyl methoxypropionate and methyl hydroxyisobutyrate
- polar solvents such as amides such as dimethylacetamide and dimethylformamide
- nonpolar solvents such as aromatic hydrocarbons such as toluene and xylene.
- the resin composition of the present embodiment can be produced according to a conventional method.
- the cyanate ester compound (A), the epoxy resin (B) represented by the general formula (1), and other optional components described above are included.
- the preparation method is not particularly limited as long as the resin composition can be uniformly contained.
- the cyanate ester compound (A) and the epoxy resin (B) represented by the general formula (1) are sequentially blended in a solvent, and the resin composition of this embodiment is easily adjusted by sufficiently stirring. Can do.
- known processes for uniformly dissolving or dispersing each component can be performed.
- the dispersibility with respect to the resin composition is enhanced by performing the stirring and dispersing treatment using a stirring tank provided with a stirrer having an appropriate stirring ability.
- the above stirring, mixing, and kneading treatment can be appropriately performed using, for example, a known device such as a ball mill or a bead mill for mixing, or a revolving / spinning mixing device.
- the resin composition of the present embodiment is not particularly limited, but can be used as an insulating layer material for a printed wiring board and a semiconductor package material.
- a prepreg can be obtained by impregnating or coating a substrate with a solution obtained by dissolving the resin composition of the present embodiment in a solvent and drying the solution.
- a solution in which the resin composition of this embodiment is dissolved in a solvent is applied to the plastic film and dried to obtain a resin sheet.
- the resin sheet can be used as a build-up film or a dry film solder resist.
- the solvent can be dried by heating at a temperature of 20 ° C. to 150 ° C. for 1 to 90 minutes.
- the resin composition can be used in an uncured state in which the solvent has been dried, or can be used in a semi-cured (B-stage) state as necessary.
- the prepreg of this embodiment has a base material and the resin composition of this embodiment mentioned above impregnated or apply
- the method for producing a prepreg is not particularly limited as long as it is a method for producing a prepreg by combining the resin composition of the present embodiment and a substrate, and the substrate is impregnated or coated with the resin composition of the present embodiment. can get. More specifically, after impregnating or applying the resin composition of the present embodiment to a substrate, the prepreg of the present embodiment is semi-cured by a method of drying at 120 to 220 ° C. for about 2 to 15 minutes. Can be manufactured.
- the amount of the resin composition attached to the substrate that is, the amount of the resin composition (including the filler (C)) relative to the total amount (100 parts by mass) of the prepreg after semi-curing is in the range of 20 to 99 parts by mass. Preferably there is.
- the substrate of the present embodiment is not particularly limited, and for example, known materials used for various printed wiring board materials can be used. Specifically, glass fibers such as E glass, D glass, L glass, S glass, T glass, Q glass, UN glass, NE glass, and spherical glass; inorganic fibers other than glass such as quartz; polyimide, polyamide, polyester And organic fibers such as liquid crystal polyester. As the shape of the substrate, woven fabric, non-woven fabric, roving, chopped strand mat, surfacing mat and the like are known, but any of them may be used.
- a base material can be used individually by 1 type or in combination of 2 or more types.
- the thickness of the base material is not particularly limited, but is preferably in the range of 0.01 to 0.2 mm for laminates, and woven fabrics that have been subjected to ultra-opening treatment or plugging treatment are particularly dimensionally stable. From the viewpoint of sex. Further, a glass woven fabric surface-treated with a silane coupling agent such as an epoxy silane treatment or an amino silane treatment is preferable from the viewpoint of moisture absorption heat resistance. A liquid crystal polyester woven fabric is preferable from the viewpoint of electrical characteristics.
- the metal foil-clad laminate of this embodiment has the above-described prepreg in which one sheet or two or more sheets are laminated, and a metal foil laminated and formed on one or both sides of the prepreg. Specifically, it can be manufactured by stacking one or a plurality of the above-described prepregs, placing a metal foil such as copper or aluminum on one side or both sides, and laminating. Although the metal foil used here will not be specifically limited if it is used for printed wiring board material, Copper foil, such as a rolled copper foil and an electrolytic copper foil, is preferable. The thickness of the metal foil is not particularly limited, but is preferably 2 to 70 ⁇ m, and more preferably 3 to 35 ⁇ m.
- a general laminated board for a printed wiring board and a multilayer board can be applied.
- a multi-stage press machine a multi-stage vacuum press machine, a continuous molding machine, an autoclave molding machine, etc.
- laminating and molding at a temperature of 180 to 350 ° C., a heating time of 100 to 300 minutes, and a surface pressure of 20 to 100 kg / cm 2.
- the metal foil tension laminate sheet of this embodiment can be manufactured.
- it can also be set as a multilayer board by carrying out the lamination
- a 35 ⁇ m copper foil is disposed on both surfaces of one prepreg described above, laminated under the above conditions, an inner layer circuit is formed, and blackening treatment is performed on this circuit.
- the inner circuit board is then formed, and then the inner circuit board and the prepreg are alternately arranged one by one, and the copper foil is further disposed on the outermost layer, and preferably laminated under the above conditions, preferably under vacuum By doing so, a multilayer board can be produced.
- the metal foil-clad laminate of this embodiment can be suitably used as a printed wiring board.
- the printed wiring board can be manufactured according to a conventional method, and the manufacturing method is not particularly limited.
- an example of the manufacturing method of a printed wiring board is shown.
- a metal foil clad laminate such as the copper clad laminate described above is prepared.
- an etching process is performed on the surface of the metal foil-clad laminate to form an inner layer circuit, thereby producing an inner layer substrate.
- the inner layer circuit surface of the inner layer substrate is subjected to a surface treatment to increase the adhesive strength as necessary, then the required number of the prepregs are stacked on the inner layer circuit surface, and a metal foil for the outer layer circuit is stacked on the outer surface.
- a multilayer laminate is produced in which an insulating layer made of a cured material of the base material and the thermosetting resin composition is formed between the inner layer circuit and the metal foil for the outer layer circuit.
- a plated metal film is formed on the wall surface of the hole to connect the inner layer circuit and the metal foil for the outer layer circuit.
- a printed wiring board is manufactured by performing an etching process on the metal foil for forming an outer layer circuit.
- the printed wiring board of this embodiment has the insulating layer containing the resin composition of this embodiment mentioned above, and the conductor layer formed in the single side
- the layer made of the resin composition is composed of an insulating layer containing the resin composition of the present embodiment.
- the resin sheet of this embodiment has a sheet base material and the resin composition of this embodiment described above coated and dried on one or both sides of the sheet base material.
- the resin sheet can be obtained by applying (coating) a solution (resin composition) dissolved in a solvent to a sheet base material and drying.
- Examples of the sheet substrate used here include a polyethylene film, a polypropylene film, a polycarbonate film, a polyethylene terephthalate film, an ethylene tetrafluoroethylene copolymer film, and a release film obtained by applying a release agent to the surface of these films, Examples thereof include organic film base materials such as polyimide film, conductor foils such as copper foil and aluminum foil, glass plates, SUS plates, and plate-like materials such as FRP, but are not particularly limited.
- Examples of the coating method include a method in which a solution obtained by dissolving the resin composition of the present embodiment in a solvent is coated on a support with a bar coater, a die coater, a doctor blade, a baker applicator, or the like.
- a support is used by forming a sheet in which a solution obtained by dissolving the resin composition of the present embodiment in a solvent is supplied into a mold having a sheet-like cavity and dried.
- a single layer sheet (resin sheet) can also be obtained.
- the drying conditions for removing the solvent are not particularly limited, but the solvent tends to remain in the resin composition at low temperatures, and the resin composition at high temperatures. Since curing of the product proceeds, a temperature of 20 ° C. to 200 ° C. for 1 to 90 minutes is preferable.
- the thickness of the resin layer of the single-layer sheet or laminated sheet of the present embodiment can be adjusted by the concentration of the resin composition solution and the coating thickness of the present embodiment, and is not particularly limited. When the coating thickness increases, the solvent tends to remain during drying, so 0.1 to 500 ⁇ m is preferable.
- the reaction solution was allowed to stand to separate the organic phase and the aqueous phase.
- the organic phase obtained was washed 5 times with 1300 g of water.
- the electric conductivity of the waste water in the fifth washing with water was 5 ⁇ S / cm, and it was confirmed that the ionic compounds that could be removed were sufficiently removed by washing with water.
- the organic phase after washing with water was concentrated under reduced pressure, and finally concentrated to dryness at 90 ° C. for 1 hour to obtain 331 g of the desired naphthol aralkyl-type cyanate ester compound (SNCN) (orange viscous product).
- SNCN naphthol aralkyl-type cyanate ester compound
- the obtained SNCN had a mass average molecular weight Mw of 600.
- the IR spectrum of SNCN showed an absorption of 2250 cm ⁇ 1 (cyanate group) and no absorption of a hydroxy group.
- Example 1 50 parts by mass of SNCN obtained by Synthesis Example 1, 50 parts by mass of an epoxy resin (EP-4000S, viscosity: 1800 mPa ⁇ s / 25 ° C., manufactured by ADEKA) represented by the following general formula (1), fused silica ( A varnish was obtained by mixing 100 parts by mass of SC2050MB (manufactured by Admatex) and 0.15 parts by mass of zinc octylate (manufactured by Nippon Chemical Industry Co., Ltd.). This varnish was diluted with methyl ethyl ketone, impregnated on a 0.1 mm thick E glass woven fabric, and dried by heating at 150 ° C. for 5 minutes to obtain a prepreg having a resin content of 50 mass%.
- an epoxy resin EP-4000S, viscosity: 1800 mPa ⁇ s / 25 ° C., manufactured by ADEKA
- fused silica A varnish was obtained by mixing 100 parts by mass of SC2050MB
- m and n each represent an integer of 1 or more.
- the epoxy resin represented by formula (1) may be a mixture of compounds in which m and n each independently represent a different integer.
- Example 1 (Comparative Example 1) In Example 1, instead of using 50 parts by mass of the epoxy resin represented by the general formula (1), 50 parts by mass of biphenylaralkyl type epoxy resin (NC-3000-FH, manufactured by Nippon Kayaku Co., Ltd.), octylic acid A metal foil-clad laminate having a thickness of 0.8 mm was obtained in the same manner as in Example 1 except that 0.12 parts by mass of zinc was used. Table 1 shows each evaluation result of the obtained metal foil-clad laminate.
- Peeling peel strength The metal foil-clad laminate with an insulating layer thickness of 0.8 mm obtained in Example 1 and Comparative Example 1 was subjected to electroless copper plating process manufactured by Uemura Kogyo (names of chemicals used: MCD-PL, MDP- 2, MAT-SP, MAB-4-C, MEL-3-APEA ver. 2), about 0.8 ⁇ m of electroless copper plating was applied, followed by drying at 130 ° C. for 1 hour. Subsequently, electrolytic copper plating was performed so that the thickness of the plated copper was 18 ⁇ m, and drying was performed at 180 ° C. for 1 hour.
- a sample in which a conductor layer (plated copper) having a thickness of 18 ⁇ m was formed on the insulating layer was prepared and evaluated.
- the adhesive strength of the plated copper was measured three times according to JIS C6481, and the average value was obtained.
- Bending elastic modulus After removing the copper foil on both sides of the metal foil-clad laminate having an insulating layer thickness of 0.8 mm obtained in Example 1 and Comparative Example 1 by etching, a test piece (50 mm) according to JIS C6481 ⁇ 25 mm ⁇ 0.8 mm), the flexural strength elastic modulus was measured with a test number of 5, and the average value of the maximum values was obtained.
- Dielectric constant (Dk) A cavity resonator perturbation method (Agilent) using a test piece obtained by removing the copper foil of the metal foil-clad laminate having an insulating layer thickness of 0.8 mm obtained in Example 1 and Comparative Example 1 by etching. 8722ES (manufactured by Agilent Technologies), the dielectric constant of 1 GHz was measured three times, and the average value was obtained.
- the resin composition according to the present invention is used in various applications such as electric / electronic materials, machine tool materials, aviation materials, etc., for example, electrical insulating materials, semiconductor plastic packages, sealing materials, adhesives, laminated materials. It can be used widely and effectively as a resist, build-up laminated board material, etc. Especially, it can be used particularly effectively as a printed wiring board material for high integration and high density in recent information terminal equipment and communication equipment. Is possible.
- the metal foil-clad laminate and the like according to the present invention have excellent performance in plating peel strength, their industrial practicality is extremely high.
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Abstract
Description
シアン酸エステル化合物(A)及び下記一般式(1)で表されるエポキシ樹脂(B)を含有する、樹脂組成物。
[2]
前記一般式(1)で表されるエポキシ樹脂(B)の含有量が、前記樹脂組成物中の樹脂固形分の総量(100質量部)に対して、1~90質量部である、[1]に記載の樹脂組成物。
[3]
充填材(C)をさらに含有する、[1]又は[2]に記載の樹脂組成物。
[4]
前記一般式(1)で表されるエポキシ樹脂(B)以外のエポキシ樹脂、マレイミド化合物、フェノール樹脂、オキセタン樹脂、ベンゾオキサジン化合物、及び重合可能な不飽和基を有する化合物からなる群より選択される1種又は2種以上を、さらに含有する、[1]~[3]のいずれかに記載の樹脂組成物。
[5]
前記充填材(C)の含有量が、前記樹脂組成物中の樹脂固形分の総量(100質量部)に対して、50~1600質量部である、[3]又は[4]に記載の樹脂組成物。
[6]
基材と、該基材に含浸又は塗布された、[1]~[5]のいずれかに記載の樹脂組成物と、を有する、プリプレグ。
[7]
1枚の又は2枚以上を積層した、[6]に記載のプリプレグと、該プリプレグの片面又は両面に積層成形された金属箔と、を有する、金属箔張積層板。
[8]
シート基材と、該シート基材の片面又は両面に塗工及び乾燥された、[1]~[5]のいずれかに記載の樹脂組成物と、を有する、樹脂シート。
[9]
[1]~[5]のいずれかに記載の樹脂組成物を含む絶縁層と、該絶縁層の片面又は両面に形成された導体層と、を有する、プリント配線板。
本実施形態の樹脂組成物は、シアン酸エステル化合物(A)及び下記一般式(1)で表されるエポキシ樹脂(B)(以下、単に「エポキシ樹脂(B)」ともいう。)を含有する。
本実施形態のシアン酸エステル化合物(A)は、シアナト基(シアン酸エステル基)が少なくとも1個置換された芳香族部分を分子内に有する樹脂であれば特に限定されない。本実施形態のシアン酸エステル化合物(A)を含有することにより、耐熱性に優れたプリント配線板を実現する樹脂組成物を得ることができる。この要因は、シアン酸エステル化合物(A)を含有することにより、樹脂組成物全体のガラス転移温度が高くなることに起因して、耐熱性により優れたプリント配線板が得られると推察される(ただし、要因はこれに限定されない。)。
本実施形態のエポキシ樹脂(B)は、下記一般式(1)で表される。
本実施形態の樹脂組成物は、充填材(C)をさらに含有することが好ましい。充填材(C)を含有することで、本発明の作用効果をより確実に奏することができ、優れためっきピール強度が得られる傾向にある。また、本実施形態のシアン酸エステル化合物(A)の作用効果をより確実に奏することができ、優れた耐熱性が得られる傾向にもある。
さらに、本実施形態の樹脂組成物は、必要に応じてその他の成分を含有していてもよい。その他の成分としては、特に限定されないが、例えば、上記エポキシ樹脂(B)以外のエポキシ樹脂(以下、「他のエポキシ樹脂」という。)、マレイミド化合物、フェノール樹脂、オキセタン樹脂、ベンゾオキサジン化合物、及び重合可能な不飽和基を有する化合物からなる群より選ばれるいずれか1種類以上が挙げられる。このようなその他の成分を用いることにより、樹脂組成物を硬化した硬化物の難燃性、低誘電性など所望する特性を向上させることができる。
本実施形態の樹脂組成物は、常法にしたがって製造することができ、シアン酸エステル化合物(A)及び一般式(1)で表されるエポキシ樹脂(B)、並びに上述したその他の任意成分を均一に含有する樹脂組成物が得られる方法であれば、その調製方法は特に限定されない。例えば、シアン酸エステル化合物(A)及び一般式(1)で表されるエポキシ樹脂(B)を順次溶剤に配合し、十分に撹拌することで本実施形態の樹脂組成物を容易に調整することができる。
以下、本実施形態のプリプレグについて詳述する。本実施形態のプリプレグは、基材と、該基材に含浸又は塗布された、上述した本実施形態の樹脂組成物とを有する。プリプレグの製造方法は、本実施形態の樹脂組成物と基材とを組み合わせてプリプレグを製造する方法であれば、特に限定されず、本実施形態の樹脂組成物を基材に含浸又は塗布させて得られる。より具体的には、本実施形態の樹脂組成物を基材に含浸又は塗布させた後、120~220℃で2~15分程度乾燥させる方法等によって半硬化させることで、本実施形態のプリプレグを製造することができる。このとき、基材に対する樹脂組成物の付着量、すなわち半硬化後のプリプレグの総量(100質量部)に対する樹脂組成物量(充填材(C)を含む。)は、20~99質量部の範囲であることが好ましい。
本実施形態の金属箔張積層板は、1枚の又は2枚以上を積層した、上述したプリプレグと、該プリプレグのの片面又は両面に積層成形された金属箔と、を有する。具体的には、上述したプリプレグを一枚あるいは複数枚重ね、その片面又は両面に銅やアルミニウム等の金属箔を配置して、積層成形することにより製造することができる。ここで使用する金属箔は、プリント配線板材料に用いられているものであれば、特に限定されないが、圧延銅箔や電解銅箔等の銅箔が好ましい。また、金属箔の厚さは、特に限定されないが、2~70μmであることが好ましく、3~35μmであることがより好ましい。成形条件としては、通常のプリント配線板用積層板及び多層板の手法が適用できる。例えば、多段プレス機、多段真空プレス機、連続成形機、オートクレーブ成形機等を使用し、温度180~350℃、加熱時間100~300分、面圧20~100kg/cm2で積層成形することにより本実施形態の金属箔張積層板を製造することができる。また、上記のプリプレグと、別途作製した内層用の配線板とを組み合わせて積層成形することにより、多層板とすることもできる。多層板の製造方法としては、例えば、上述したプリプレグ1枚の両面に35μmの銅箔を配置し、上記条件にて積層形成した後、内層回路を形成し、この回路に黒化処理を実施して内層回路板を形成し、その後、この内層回路板と上記のプリプレグとを交互に1枚ずつ配置し、さらに最外層に銅箔を配置して、上記条件にて好ましくは真空下で積層成形することにより、多層板を作製することができる。
本実施形態のプリント配線板は、上述した本実施形態の樹脂組成物を含む絶縁層と、該絶縁層の片面又は両面に形成された導体層とを有する。すなわち、上述した本実施形態のプリプレグ(基材及びこれに含浸又は塗布された本実施形態の樹脂組成物)、上述した本実施形態の金属箔張積層板の樹脂組成物の層(本実施形態の樹脂組成物からなる層)が、本実施形態の樹脂組成物を含む絶縁層から構成されることになる。
本実施形態の樹脂シートは、シート基材と、該シート基材の片面又は両面に塗工及び乾燥された、上述した本実施形態の樹脂組成物とを有する。樹脂シートは、溶剤に溶解させた溶液(樹脂組成物)をシート基材に塗布(塗工)し、乾燥することで得ることができる。ここで用いるシート基材としては、例えば、ポリエチレンフィルム、ポリプロピレンフィルム、ポリカーボネートフィルム、ポリエチレンテレフタレートフィルム、エチレンテトラフルオロエチレン共重合体フィルム、並びにこれらのフィルムの表面に離型剤を塗布した離型フィルム、ポリイミドフィルム等の有機系のフィルム基材、銅箔、アルミ箔等の導体箔、ガラス板、SUS板、FRP等の板状のものが挙げられるが、特に限定されるものではない。塗布方法としては、例えば、本実施形態の樹脂組成物を溶剤に溶解させた溶液を、バーコーター、ダイコーター、ドクターブレード、ベーカーアプリケーター等で支持体上に塗布する方法が挙げられる。また、乾燥後に、積層シートから支持体を剥離又はエッチングすることで、単層シート(樹脂シート)とすることもできる。なお、上記の本実施形態の樹脂組成物を溶剤に溶解させた溶液を、シート状のキャビティを有する金型内に供給し乾燥する等してシート状に成形することで、支持体を用いることなく単層シート(樹脂シート)を得ることもできる。
1-ナフトールアラルキル樹脂(新日鉄住金化学株式会社製)300g(OH基換算1.28mol)及びトリエチルアミン194.6g(1.92mol)(ヒドロキシ基1molに対して1.5mol)をジクロロメタン1800gに溶解させ、これを溶液1とした。
合成例1により得られたSNCN50質量部、下記一般式(1)で表されるエポキシ樹脂(EP-4000S、粘度:1800mPa・s/25℃、(株)ADEKA製)50質量部、溶融シリカ(SC2050MB、アドマテックス製)100質量部、オクチル酸亜鉛(日本化学産業(株)製)0.15質量部を混合してワニスを得た。このワニスをメチルエチルケトンで希釈し、厚さ0.1mmのEガラス織布に含浸塗工し、150℃で5分間加熱乾燥して、樹脂含有量50質量%のプリプレグを得た。
実施例1において、一般式(1)で表されるエポキシ樹脂を50質量部用いる代わりに、ビフェニルアラルキル型エポキシ樹脂(NC-3000-FH、日本化薬(株)製)50質量部、オクチル酸亜鉛を0.12質量部用いた以外は、実施例1と同様にして厚さ0.8mmの金属箔張積層板を得た。得られた金属箔張積層板の各評価結果を表1に示す。
めっきピール強度:実施例1及び比較例1で得られた絶縁層厚さ0.8mmの金属箔張積層板を、上村工業製の無電解銅めっきプロセス(使用薬液名:MCD-PL、MDP-2、MAT-SP、MAB-4-C、MEL-3-APEA ver.2)にて、約0.8μmの無電解銅めっきを施し、130℃で1時間の乾燥を行った。続いて、電解銅めっきをめっき銅の厚みが18μmになるように施し、180℃で1時間の乾燥を行った。こうして、絶縁層上に厚さ18μmの導体層(めっき銅)が形成されたサンプルを作製し評価した。めっき銅の接着力は、JIS C6481に準じて3回測定し、その平均値を求めた。
Claims (9)
- 前記一般式(1)で表されるエポキシ樹脂(B)の含有量が、前記樹脂組成物中の樹脂固形分の総量(100質量部)に対して、1~90質量部である、請求項1に記載の樹脂組成物。
- 充填材(C)をさらに含有する、請求項1又は2に記載の樹脂組成物。
- 前記一般式(1)で表されるエポキシ樹脂(B)以外のエポキシ樹脂、マレイミド化合物、フェノール樹脂、オキセタン樹脂、ベンゾオキサジン化合物、及び重合可能な不飽和基を有する化合物からなる群より選択される1種又は2種以上を、さらに含有する、請求項1~3のいずれか一項に記載の樹脂組成物。
- 前記充填材(C)の含有量が、前記樹脂組成物中の樹脂固形分の総量(100質量部)に対して、50~1600質量部である、請求項3又は4に記載の樹脂組成物。
- 基材と、該基材に含浸又は塗布された、請求項1~5のいずれか一項に記載の樹脂組成物と、を有する、プリプレグ。
- 1枚の又は2枚以上を積層した、請求項6に記載のプリプレグと、該プリプレグの片面又は両面に積層成形された金属箔と、を有する、金属箔張積層板。
- シート基材と、該シート基材の片面又は両面に塗工及び乾燥された、請求項1~5のいずれか一項に記載の樹脂組成物と、を有する、樹脂シート。
- 請求項1~5のいずれか一項に記載の樹脂組成物を含む絶縁層と、該絶縁層の片面又は両面に形成された導体層と、を有する、プリント配線板。
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| JP2017515505A JP6788807B2 (ja) | 2015-04-28 | 2016-04-20 | 樹脂組成物、プリプレグ、金属箔張積層板、樹脂シート、及びプリント配線板 |
| CN201680024002.1A CN107531882A (zh) | 2015-04-28 | 2016-04-20 | 树脂组合物、预浸料、覆金属箔层叠板、树脂片和印刷电路板 |
| US15/564,073 US20180092218A1 (en) | 2015-04-28 | 2016-04-20 | Resin composition, prepreg, metal-foil-clad laminate, resin sheet, and printed wiring board |
| EP16786383.6A EP3290454B1 (en) | 2015-04-28 | 2016-04-20 | Resin composition, prepreg, metal-foil-clad laminate, resin sheet, and printed wiring board |
| KR1020177031500A KR102481055B1 (ko) | 2015-04-28 | 2016-04-20 | 수지 조성물, 프리프레그, 금속박 피복 적층판, 수지 시트, 및 프린트 배선판 |
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| JP2018080221A (ja) * | 2016-11-14 | 2018-05-24 | 三菱瓦斯化学株式会社 | 樹脂組成物、プリプレグ、金属箔張積層板、樹脂シート、及びプリント配線板 |
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| US20180092218A1 (en) | 2018-03-29 |
| TW201704283A (zh) | 2017-02-01 |
| JP6788807B2 (ja) | 2020-11-25 |
| KR20170141701A (ko) | 2017-12-26 |
| EP3290454A1 (en) | 2018-03-07 |
| EP3290454A4 (en) | 2018-09-12 |
| JPWO2016175106A1 (ja) | 2018-02-22 |
| KR102481055B1 (ko) | 2022-12-23 |
| CN107531882A (zh) | 2018-01-02 |
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| EP3290454B1 (en) | 2020-05-06 |
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