WO2015060266A1 - 樹脂組成物、プリプレグ、積層シート及び金属箔張り積層板 - Google Patents
樹脂組成物、プリプレグ、積層シート及び金属箔張り積層板 Download PDFInfo
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- WO2015060266A1 WO2015060266A1 PCT/JP2014/077870 JP2014077870W WO2015060266A1 WO 2015060266 A1 WO2015060266 A1 WO 2015060266A1 JP 2014077870 W JP2014077870 W JP 2014077870W WO 2015060266 A1 WO2015060266 A1 WO 2015060266A1
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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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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/42—Layered products comprising a layer of synthetic resin comprising condensation resins of aldehydes, e.g. with phenols, ureas or melamines
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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
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/0622—Polycondensates containing six-membered rings, not condensed with other rings, with nitrogen atoms as the only ring hetero atoms
- C08G73/0638—Polycondensates containing six-membered rings, not condensed with other rings, with nitrogen atoms as the only ring hetero atoms with at least three nitrogen atoms in the ring
- C08G73/065—Preparatory processes
- C08G73/0655—Preparatory processes from polycyanurates
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
- C08K3/013—Fillers, pigments or reinforcing additives
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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
- C08K5/29—Compounds containing one or more carbon-to-nitrogen double 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
- C08L63/00—Compositions of epoxy resins; Compositions of 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
- C08L65/00—Compositions of macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain; Compositions of derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
- C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
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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
- 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
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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
- H05K1/05—Insulated conductive substrates, e.g. insulated metal substrate
- H05K1/056—Insulated conductive substrates, e.g. insulated metal substrate the metal substrate being covered by an organic insulating layer
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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
- H05K1/09—Use of materials for the conductive, e.g. metallic pattern
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
- B32B2457/08—PCBs, i.e. printed circuit boards
-
- 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
-
- 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
- C08J2379/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2361/00 - C08J2377/00
- C08J2379/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
-
- 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
- C08J2463/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
Definitions
- the present invention relates to a resin composition, a prepreg using the same, and a resin sheet and a metal foil-clad laminate using the resin composition or prepreg.
- Printed wiring boards widely used in electronic devices, communication devices, personal computers, and the like are progressing in high density wiring and high integration.
- a metal foil-clad laminate used for a printed wiring board is required to have a laminate excellent in characteristics such as heat resistance, low water absorption, moisture absorption heat resistance and insulation reliability.
- FR-4 type laminates in which epoxy resin is cured with dicyandiamide have been widely used as laminates for printed wiring boards.
- such a laminate has a limit in meeting the demand for higher heat resistance.
- Cyanate ester compounds are known as resins for printed wiring boards having excellent heat resistance.
- resin compositions containing a bisphenol A type cyanate ester compound and other thermosetting resins or thermoplastic resins have recently been widely used as high-functional printed wiring board materials for semiconductor plastic packages and the like. It has been.
- This bisphenol A type cyanate ester compound has excellent properties such as electrical properties, mechanical properties, chemical resistance and adhesion.
- this cyanate ester compound may be insufficient for severe conditions in terms of low water absorption, moisture absorption heat resistance and flame retardancy. Then, the cyanate ester compound which has another structure is examined aiming at the further improvement of a characteristic.
- a naphthol aralkyl-type cyanate ester compound has been proposed as a cyanate ester compound that does not contain a halogen-based compound and has improved flame retardancy and excellent properties such as low water absorption and moisture absorption heat resistance (Patent Document 5). reference).
- Patent Document 5 a naphthol aralkyl-type cyanate ester compound that does not contain a halogen-based compound and has improved flame retardancy and excellent properties such as low water absorption and moisture absorption heat resistance.
- Japanese Patent Laid-Open No. 11-124433 JP 2000-191776 A Japanese Patent No. 3081996 JP-A-6-271669 Japanese Patent No. 4997727
- the present invention has been made in view of the above circumstances, and has a resin composition capable of realizing a printed wiring board not only having low water absorption but also excellent in moisture absorption heat resistance, flame retardancy and solvent solubility,
- An object of the present invention is to provide a prepreg and a laminate sheet using the metal foil, and a metal foil-clad laminate and a printed wiring board using the prepreg.
- R 1 , R 2 , R 3 and R 4 represent a hydrogen atom or an alkyl group having 1 to 10 carbon atoms, and may be the same group or different groups.
- n an integer of 1 to 50.
- any one of [1] to [4], further comprising one or more compounds selected from the group consisting of a maleimide compound and a cyanate ester compound other than the cyanate ester compound (A) The resin composition described in 1.
- the epoxy resin (B) is at least one selected from the group consisting of a biphenyl aralkyl type epoxy resin, a naphthylene ether type epoxy resin, a polyfunctional phenol type epoxy resin, and a naphthalene type epoxy resin.
- a prepreg comprising a base material and the resin composition according to any one of [1] to [6] impregnated or coated on the base material.
- a metal foil-clad laminate including one or more prepregs according to [7] and a metal foil disposed on one or both surfaces of the prepreg.
- a laminated sheet comprising a support and a resin layer obtained by coating and drying the resin composition according to any one of [1] to [6] on the surface of the support.
- a printed wiring board including an insulating layer and a conductor layer formed on a surface of the insulating layer, wherein the insulating layer is the resin composition according to any one of [1] to [6] Printed wiring boards including objects.
- a resin composition capable of realizing a printed wiring board not only having low water absorption but also excellent in moisture absorption heat resistance, flame retardancy and solvent solubility, a prepreg and a laminate sheet using the same, and A metal foil-clad laminate and a printed wiring board using the prepreg can be provided.
- 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 the present invention is not limited to the present embodiment.
- the resin composition of this embodiment contains the 1 type (s) or 2 or more types of cyanate ester compound (A) represented by following formula (1), and an epoxy resin (B).
- R 1, R 2, R 3 and R 4 represents a hydrogen atom or an alkyl group having 1 to 10 carbon atoms, may be either the same group different groups.
- N represents an integer of 1 to 50.
- the cyanate ester compound (A) used in the present embodiment is obtained by cyanating a naphthol-modified metaxylene glycol resin.
- R 1 , R 2 , R 3 and R 4 are preferably each independently a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, preferably a hydrogen atom or an alkyl group having 1 to 3 carbon atoms. .
- at least one of R 1 , R 2 , R 3 and R 4 is preferably a hydrogen atom, and more preferably 3 are hydrogen atoms.
- the cyanate ester compound (A) having such a structure not only provides excellent low water absorption to a metal foil-clad laminate produced using the same, but also has good moisture absorption heat resistance and flame retardancy. And solvent solubility.
- the weight average molecular weight Mw of the cyanate ester compound (A) of the present embodiment is not particularly limited, but is preferably 200 to 25000, more preferably from the viewpoint of more effectively and reliably achieving the effects of the present invention. It is 250 to 20000, more preferably 300 to 15000.
- the weight average molecular weight Mw is measured according to the method described in the following examples.
- the cyanate ester compound (A) of the present embodiment can be obtained, for example, by cyanating a hydroxyl group of a naphthol-modified metaxylene glycol resin represented by the following formula (2).
- the cyanating method is not particularly limited, and a known method can be applied. Specifically, as described in US Pat. No. 3,553,244, a naphthol-modified metaxylene glycol resin and a naphthol-modified metaxylene glycol resin are used in a solvent in the presence of a base so that the cyanide halide is always present in excess of the base. The method of making it react with cyanogen halide is mentioned. As another cyanate formation method, as described in Japanese Patent No.
- a tertiary amine is used as a base, and this is used in excess of cyanogen halide.
- a cyan halide is dropped, or a cyan halide and a tertiary amine are dropped together.
- Japanese Patent No. 3905559 there is a method of reacting a naphthol-modified metaxylene glycol resin, a trialkylamine and a cyanogen halide in a continuous plug flow method.
- Japanese Patent No. 3905559 there is a method of reacting a naphthol-modified metaxylene glycol resin, a trialkylamine and a cyanogen halide in a continuous plug flow method.
- a naphthol-modified metaxylene glycol resin and cyanogen halide are by-produced when they are reacted in a non-aqueous solution in the presence of tert-amine.
- a method of treating tert-ammonium halide with a cation and anion exchange pair can be mentioned.
- a tertiary amine and a cyanogen halide are simultaneously added to a naphthol-modified metaxylene glycol resin in the presence of a solvent that can be separated with water.
- a naphthol-modified metaxylene glycol resin, a cyanogen halide, and a tertiary amine are subjected to acidic conditions in a two-phase solvent of water and an organic solvent. The method of making it react is mentioned.
- the cyanate ester compound (A) can be obtained by suitably using these methods.
- R 1 , R 2 , R 3 and R 4 represent a hydrogen atom or an alkyl group having 1 to 10 carbon atoms, and may be the same group or different groups.
- n is an integer of 1 to 50, preferably an integer of 1 to 10.
- the naphthol-modified metaxylene glycol resin represented by the above formula (2) is used singly or in combination of two or more.
- the “two or more types” resins may be two or more types of resins having different n, or may be two or more types of resins having different substituents, or two or more types of resins in which both are different. It may be.
- R 1 , R 2 , R 3 and R 4 are preferably each independently a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, preferably a hydrogen atom or an alkyl group having 1 to 3 carbon atoms. .
- at least one of R 1 , R 2 , R 3 and R 4 is preferably a hydrogen atom, more preferably 4 are hydrogen atoms.
- the production method of the naphthol-modified metaxylene glycol resin that is a raw material of the cyanate ester compound (A) of the present embodiment is not particularly limited.
- it may be represented by Ar— (CH 2 Y) 2 by a known method.
- Ar represents an aryl group
- Y represents a halogen compound
- R represents an alkyl group.
- the content of the cyanate ester compound (A) obtained by cyanating the naphthol-modified metaxylene glycol resin thus obtained in the resin composition of the present embodiment can be appropriately set according to desired properties. Yes, it is not particularly limited. However, the content of the cyanate ester compound (A) is 1 to 90 parts by mass with respect to 100 parts by mass of the resin solid content in the resin composition from the viewpoint of more effectively and reliably achieving the effects of the present invention. It is preferably 10 to 80 parts by mass, more preferably 20 to 70 parts by mass.
- resin solid content in the resin composition means a resin component contained in the resin composition and a component that becomes a resin component by heating unless otherwise specified.
- resin composition contains the cyanate ester compound (A), an epoxy resin (B) described later, a solvent, an inorganic filler (C), and a curing accelerator
- resin solid content in the resin composition "Means a component excluding the solvent, inorganic filler (C) and curing accelerator, and” resin solid content 100 parts by weight "means the solvent, inorganic filler (C) and curing accelerator in the resin composition.
- the sum total of the components excluding is 100 parts by mass.
- the epoxy resin (B) in the present embodiment any known one can be used as long as it is an epoxy resin having two or more epoxy groups in one molecule, and the type thereof is not particularly limited.
- Specific examples of the epoxy resin include 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.
- aralkyl novolac type epoxy resin aralkyl novolac 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 novolac type epoxy Resin, phenol aralkyl type epoxy resin, naphthol aralkyl type epoxy resin, dicyclopentadiene type epoxy resin, biphenyl type epoxy resin It can be obtained by reaction of oxy-resin, cycloaliphatic epoxy resin, polyol-type epoxy resin, phosphorus-containing epoxy resin, epoxidized double bond such as glycidylamine, glycidyl ester and butadiene, hydroxyl group-containing silicone resins and epichlorohydrin.
- epoxy resins biphenyl aralkyl type epoxy resins, naphthylene ether type epoxy resins, polyfunctional phenol type epoxy resins and naphthalene type epoxy resins are preferable in terms of flame retardancy and heat resistance. These epoxy resins can be used alone or in combination of two or more.
- the content of the epoxy resin (B) in the present embodiment can be appropriately set according to desired properties, and is not particularly limited, but is 5 to 99 with respect to 100 parts by mass of the resin solid content in the resin composition.
- the amount is preferably part by mass, more preferably 15 to 90 parts by mass, and still more preferably 20 to 70 parts by mass.
- the resin composition of this embodiment can also contain an inorganic filler (C).
- an inorganic filler (C) a well-known thing can be used suitably, The kind is not specifically limited.
- the inorganic filler (C) those generally used in laminate applications can be suitably used.
- silica such as natural silica, fused silica, synthetic silica, amorphous silica, aerosil and hollow silica, white carbon, titanium white, zinc oxide, magnesium oxide, zirconium oxide, Boron nitride, agglomerated boron nitride, silicon nitride, aluminum nitride, barium sulfate, aluminum hydroxide, aluminum hydroxide heat-treated product (aluminum hydroxide is heat-treated and part of the crystal water is reduced), boehmite and hydroxide Metal hydrates such as magnesium, molybdenum compounds such as molybdenum oxide and zinc molybdate, zinc borate, zinc stannate, alumina, clay, kaolin, talc, calcined clay, calcined kaolin, calcined talc, mica, E-glass, A-glass, NE-glass, C-glass, L-glass, D
- the resin composition of the present embodiment includes rubber powder such as styrene type, butadiene type, and acrylic type, core shell type rubber powder, silicone resin powder, silicone rubber powder, and silicone composite.
- An organic filler such as powder may be included. These organic fillers can be used alone or in combination of two or more.
- the content of the inorganic filler (C) can be appropriately set according to desired properties, and is not particularly limited.
- the content is preferably 50 to 1600 parts by mass, more preferably 60 to 600 parts by mass, and still more preferably 70 to 300 parts by mass with respect to 100 parts by mass of the resin solid content in the resin composition.
- the total content of the resin composition and the inorganic filler (C) is 50 to 1600 with respect to 100 parts by mass of the resin solid content in the resin composition.
- the amount is preferably such that it is part by mass, more preferably 60 to 600 parts by mass, and even more preferably 70 to 300 parts by mass.
- the inorganic filler (C) from the viewpoint of enhancing the interaction with the resin component and enhancing the mechanical strength of the laminate sheet, the metal foil-clad laminate and the printed wiring board, a silane coupling agent and a wetting and dispersing agent. Of these, it is preferable to use at least one of them.
- the silane coupling agent those generally used for inorganic surface treatment can be suitably used, and the type thereof is not particularly limited.
- silane coupling agents include aminosilanes such as ⁇ -aminopropyltriethoxysilane and N- ⁇ - (aminoethyl) - ⁇ -aminopropyltrimethoxylane, and ⁇ -glycidoxypropyltrimethoxysilane.
- silanes such as ⁇ - (3,4-epoxycyclohexyl) ethyltrimethoxysilane, vinylsilanes such as ⁇ -methacryloxypropyltrimethoxysilane and vinyl-tri ( ⁇ -methoxyethoxy) silane, N- ⁇ - Cationic silanes such as (N-vinylbenzylaminoethyl) - ⁇ -aminopropyltrimethoxysilane hydrochloride, and phenylsilanes can be mentioned.
- a silane coupling agent can be used individually by 1 type or in combination of 2 or more types.
- wet dispersing agent what is generally used for coating materials can be used suitably, The kind is not specifically limited.
- silane coupling agent a copolymer-based wetting and dispersing agent is preferably used. Specific examples thereof include Disperbyk-110, 111, 161, 180, BYK-W996, BYK manufactured by Big Chemie Japan Co., Ltd. -W9010, BYK-W903 and BYK-W940 (all are trade names).
- Wet dispersants can be used alone or in combination of two or more.
- the resin composition of this embodiment contains the said cyanate ester compound (A) and an epoxy resin (B), it is a thermosetting thing,
- the hardening rate of the resin component is made as needed.
- this hardening accelerator what is generally used as hardening accelerators, such as a cyanate ester compound and an epoxy resin, can be used conveniently, and the kind is not specifically limited.
- the hardening accelerator examples include zinc octylate, zinc naphthenate, cobalt naphthenate, copper naphthenate, iron acetylacetone, nickel octylate and manganese octylate, phenol, xylenol, cresol, resorcin, and catechol.
- Phenol compounds such as octylphenol and nonylphenol, alcohols such as 1-butanol and 2-ethylhexanol, 2-methylimidazole, 2-ethyl-4-methylimidazole, 2-phenylimidazole, 1-cyanoethyl-2-phenylimidazole, Imidazoles such as 1-cyanoethyl-2-ethyl-4-methylimidazole, 2-phenyl-4,5-dihydroxymethylimidazole, 2-phenyl-4-methyl-5-hydroxymethylimidazole and the like
- Derivatives such as carboxylic acids of these imidazoles or adducts thereof, dicyandiamide, amines such as benzyldimethylamine and 4-methyl-N, N-dimethylbenzylamine, phosphine compounds, phosphine oxide compounds, Phosphorus compounds such as phosphonium salt compounds and diphosphine compounds, epoxy-imidazole ad
- the amount of the curing accelerator used 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 usually based on 100 parts by mass of the resin solid content in the resin composition. The amount is about 0.005 to 10 parts by mass.
- the resin composition of the present embodiment has a cyanate ester compound other than the cyanate ester compound (A) represented by the above formula (1) (hereinafter referred to as “other cyanic acid” as long as desired characteristics are not impaired. It may contain one or more compounds selected from the group consisting of a compound having a polymerizable unsaturated group, and a maleimide compound, a phenol resin, an oxetane resin, a benzoxazine compound, and a compound having a polymerizable unsaturated group. Among these, from the viewpoint of flame retardancy, one or more compounds selected from the group consisting of maleimide compounds and cyanate ester compounds other than the cyanate ester compound (A) are preferred.
- Another cyanate ester compound may be a resin having an aromatic moiety in the molecule having at least one cyanato group.
- Examples of such other cyanate ester compounds include those represented by the following formula (3).
- Ar 1 represents a phenylene group, a naphthylene group or a biphenylene group, and when there are a plurality of them, they may be the same or different.
- Ra is a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, an aryl group having 6 to 12 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, or an alkyl group or alkylene group having 1 to 6 carbon atoms and 6 to 6 carbon atoms.
- 12 represents a group to which 12 arylene groups or aryl groups are bonded, and when there are a plurality of groups, they may be the same or different.
- the aromatic ring in Ra may have a substituent, and the substituent in Ar 1 and Ra can be selected at any position.
- p represents the number of bonds of the cyanate group and is an integer of 1 to 3.
- q represents the number of bonds of Ra, and is 4-p when Ar 1 is a phenylene group, 6-p when Ar 1 is a naphthylene group, and 8-p when Ar 1 is a biphenylene group.
- t represents an integer of 0 to 50, but the other cyanate ester compound may be a mixture of compounds having different t.
- X is a single bond, a divalent organic group having 1 to 20 carbon atoms (a hydrogen atom may be substituted with a hetero atom), a divalent organic group having 1 to 10 nitrogen atoms (for example, —N—R— N— (wherein R represents an organic group)), carbonyl group (—CO—), carboxy group (—C ( ⁇ O) O—), carbonyl dioxide group (—OC ( ⁇ O) O—) , A sulfonyl group (—SO 2 —), a divalent sulfur atom or an oxygen atom.
- the alkyl group in Ra in the above formula (3) may have either a chain structure or a cyclic structure (for example, a cycloalkyl group).
- the hydrogen atom in the alkyl group and aryl group in Ra in the above formula (3) is substituted with a halogen atom such as a fluorine atom and a chlorine atom, an alkoxy group such as a methoxy group and a phenoxy group, and a cyano group. Also good.
- alkyl group examples include methyl group, ethyl group, propyl group, isopropyl group, n-butyl group, isobutyl group, tert-butyl group, n-pentyl group, 1-ethylpropyl group, 2,2-dimethyl group.
- alkyl group examples include propyl group, cyclopentyl group, hexyl group, cyclohexyl group and trifluoromethyl group.
- aryl group examples include phenyl group, xylyl group, mesityl group, naphthyl group, phenoxyphenyl group, ethylphenyl group, o-, m- or p-fluorophenyl group, dichlorophenyl group, dicyanophenyl group, trifluoro Examples include a phenyl group, a methoxyphenyl group, and an o-, m-, or p-tolyl group.
- alkoxy group examples include a methoxy group, an ethoxy group, a propoxy group, an isopropoxy group, an n-butoxy group, an isobutoxy group, and a tert-butoxy group.
- divalent organic group having 1 to 20 carbon atoms in X of the above formula (3) include alkylene groups such as methylene group, ethylene group, trimethylene group and propylene group, cyclopentylene group, cyclohexylene group, and the like.
- divalent organic groups having an aromatic ring such as a cycloalkylene group such as a trimethylcyclohexylene group, a biphenylylmethylene group, a dimethylmethylene-phenylene-dimethylmethylene group, a fluorenediyl group, and a phthalidodiyl group.
- the hydrogen atom in the divalent organic group may be substituted with a halogen atom such as a fluorine atom and a chlorine atom, an alkoxy group such as a methoxy group and a phenoxy group, or a cyano group.
- Examples of the divalent organic group having 1 to 10 nitrogen atoms in X of the formula (3) include imino group and polyimide group.
- Ar 2 represents a phenylene group, a naphthylene group or a biphenylene group, and when u is 2 or more, they may be the same as or different from each other.
- Rb, Rc, Rf and Rg each independently have 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, or a phenolic hydroxyl group. An aryl group is shown.
- Rd and Re each independently represent a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, an aryl group having 6 to 12 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, or a hydroxyl group.
- u represents an integer of 0 to 5.
- X in the said Formula (3) the bivalent group represented by a following formula is also mentioned.
- j represents an integer of 4 to 7.
- Ar 2 in the above formula (4) include 1,4-phenylene group, 1,3-phenylene group, 4,4′-biphenylene group, 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, 1,6-naphthylene group, 1, Examples thereof include 8-naphthylene group, 1,3-naphthylene group and 1,4-naphthylene group.
- the resin having an aromatic moiety having at least one cyanato group represented by the above formula (3) in the molecule include cyanatobenzene, 1-cyanato-2-, 1-cyanato-3- or 1 -Cyanato-4-methylbenzene, 1-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-cyanatophenyl) -2-phenylpropane (cyanate of 4- ⁇ -cumylphenol), 1-cyanato-4-cyclohexylbenzene 1-cyanato-4-vinyl
- maleimide compound generally known compounds can be used as long as they have one or more maleimide groups in one molecule.
- maleimide compounds include 4,4-diphenylmethane bismaleimide, phenylmethane maleimide, m-phenylene bismaleimide, 2,2-bis (4- (4-maleimidophenoxy) -phenyl) propane, 3,3-dimethyl- 5,5-diethyl-4,4-diphenylmethane bismaleimide, 4-methyl-1,3-phenylene bismaleimide, 1,6-bismaleimide- (2,2,4-trimethyl) hexane, 4,4-diphenyl ether bis Maleimide, 4,4-diphenylsulfone bismaleimide, 1,3-bis (3-maleimidophenoxy) benzene, 1,3-bis (4-maleimidophenoxy) benzene, polyphenylmethanemaleimide, and prepolymers of these maleimide compounds, Or the above maleimide
- the phenol resin a phenol resin having two or more hydroxyl groups in one molecule is preferable, and generally known resins can be used.
- the phenolic resin include bisphenol A type phenolic resin, bisphenol E type phenolic resin, bisphenol F type phenolic resin, bisphenol S type phenolic resin, phenol novolac resin, bisphenol A novolac type phenolic resin, glycidyl ester type phenolic resin, aralkyl novolac.
- Type phenol resin biphenyl aralkyl type phenol resin, cresol novolac type phenol resin, polyfunctional phenol resin, naphthol resin, naphthol novolak 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, Eniru type phenolic resins, alicyclic phenolic resins, polyol-type phenolic resin, phosphorus-containing phenol resin and hydroxyl-containing silicone resins and the like, but is not particularly limited. 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.
- the oxetane resin include alkyl oxetanes such as oxetane, 2-methyloxetane, 2,2-dimethyloxetane, 3-methyloxetane, and 3,3-dimethyloxetane, 3-methyl-3-methoxymethyloxetane, 3,3
- di (trifluoromethyl) perfluoxetane, 2-chloromethyloxetane, 3,3-bis (chloromethyl) oxetane, and biphenyl type oxetane commercially available products such as OXT-101 (trade name, manufactured by Toagosei Co., Ltd.) and OXT-121 (trade name, manufactured by Toagosei Co., Ltd.) can be mentioned, but is not particularly limited.
- OXT-101 trade name, manufactured by To
- the benzoxazine compound is preferably a compound having two or more dihydrobenzoxazine rings in one molecule, and generally known compounds can be used.
- the benzoxazine compound include BA-BXZ (trade name, manufactured by Konishi Chemical Co., Ltd.) which is a bisphenol A type benzoxazine, BF-BXZ (trade name, manufactured by Konishi Chemical Co., Ltd.), which is a bisphenol F type benzoxazine, and bisphenol S type benzoxazine.
- BS-BXZ (trade name, manufactured by Konishi Chemical) is not particularly limited. These benzoxazine compounds can be used alone or in combination.
- the compound having a polymerizable unsaturated group generally known compounds can be used.
- the compound having a polymerizable unsaturated group include vinyl compounds such as ethylene, propylene, styrene, divinylbenzene and divinylbiphenyl, methyl (meth) acrylate, 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl ( Monovalents such as (meth) acrylate, polypropylene glycol di (meth) acrylate, trimethylolpropane di (meth) acrylate, trimethylolpropane tri (meth) acrylate, pentaerythritol tetra (meth) acrylate and dipentaerythritol hexa (meth) acrylate
- epoxy (meth) acrylates such as (meth) acrylates of polyhydric alcohol, bisphenol A type epoxy (meth) acrylate and bisphenol F type epoxy (meth) acrylate Over preparative
- the resin composition of the present embodiment includes various thermosetting resins such as other thermosetting resins, thermoplastic resins and oligomers thereof, elastomers and the like within a range in which desired characteristics are not impaired.
- Various additives can be included. These are not particularly limited as long as they are generally used.
- the flame retardant compound 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 silicones. System compounds.
- additives include, for example, ultraviolet absorbers, antioxidants, photopolymerization initiators, fluorescent brighteners, photosensitizers, dyes, pigments, thickeners, flow regulators, lubricants, antifoaming agents. , Dispersants, leveling agents, brighteners and polymerization inhibitors. 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 embodiment is used as an aspect (that is, a solution or a varnish) in which at least a part, preferably all of the above-described various resin components contained therein 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. .
- organic solvents include 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 and acetic acid.
- Nonpolar solvents such as ester solvents such as isoamyl, ethyl lactate, methyl methoxypropionate and methyl hydroxyisobutyrate, polar solvents such as amides such as dimethylacetamide and dimethylformamide, and aromatic hydrocarbons such as toluene and xylene A solvent is mentioned. These can be used alone or in combination of two or more.
- the resin composition of the present embodiment can be used as, for example, an insulating layer of 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 peelable plastic film is used as a base material, and a solution obtained by dissolving the resin composition of the present embodiment in a solvent is applied to the plastic film and dried to obtain 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, for example.
- the resin composition can be used in an uncured state in which the solvent is simply dried, or can be used in a semi-cured (B-stage) state as necessary.
- the prepreg of the present embodiment is obtained by impregnating or applying a base material with the resin composition of the above-described embodiment, that is, the base material and the resin composition of the present embodiment impregnated or applied to the base material.
- the manufacturing method of a prepreg will not be specifically limited if it is a method of manufacturing a prepreg combining the resin composition of this embodiment, and a base material.
- the prepreg of the present embodiment can be produced by impregnating or coating the resin composition of the present embodiment on a base material and then semi-curing it by a method of drying at 120 to 220 ° C. for about 2 to 15 minutes. it can.
- the amount of the resin composition attached to the substrate is preferably in the range of 20 to 99% by mass.
- a base material used when manufacturing the prepreg of the present embodiment known materials used for various printed wiring board materials can be used.
- a substrate include glass fibers such as E glass, D glass, L glass, S glass, T glass, Q glass, UN glass, NE glass and spherical glass, and inorganic fibers other than glass such as quartz, Examples thereof include organic fibers such as polyimide, polyamide and polyester, and woven fabrics such as liquid crystal polyester, but are not particularly limited thereto.
- woven fabric, non-woven fabric, roving, chopped strand mat and surfacing mat 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 epoxy silane treatment or 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 the present embodiment is obtained by laminating one or more prepregs described above and laminating the metal foil on one or both sides thereof. That is, the metal foil-clad laminate of this embodiment includes one or more prepregs and a metal foil disposed on one or both sides of the prepreg. Specifically, a metal foil-clad laminate can be produced by laminating one or a plurality of the prepregs described above, placing a metal foil such as copper or aluminum on one or both sides thereof, and laminating and forming. 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 molding condition a general laminated board for a printed wiring board and a multilayer board can be applied.
- laminate molding is performed 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-clad laminate of this embodiment can be manufactured.
- this multilayer board includes the prepreg and the inner layer wiring board, and is formed by laminating one or two or more of these prepregs and inner layer wiring boards.
- copper foil for example, 35 ⁇ m in thickness
- the inner layer circuit board is formed by carrying out the treatment, and then the inner layer circuit board and the prepreg are alternately laminated one by one, and the copper foil is further disposed on the outermost layer, preferably under the above conditions.
- the method of carrying out lamination molding under vacuum is mentioned. Thereby, a multilayer board can be produced.
- the metal foil-clad laminate of the present embodiment can be suitably used as a printed wiring board material.
- 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 product of the base material and the resin composition is formed between the inner layer circuit and the outer layer circuit metal foil.
- a plated metal film is formed on the wall surface of the hole to electrically connect the inner layer circuit and the outer layer metal foil.
- a printed wiring board is manufactured by performing an etching process to the metal foil for outer layer circuits, and forming an outer layer circuit.
- the printed wiring board obtained as described above includes an insulating layer and a conductor layer formed on the surface of the insulating layer, and the insulating layer includes the above-described resin composition of the present embodiment. That is, the insulating layer in this printed wiring board includes the prepreg of the present embodiment described above (the base material and the resin composition of the present embodiment impregnated or applied thereto), and the metal foil-clad laminate of the present embodiment described above. It comes from the layer of the resin composition (the layer made of the resin composition of the present embodiment).
- the laminated sheet of the present embodiment can be obtained by applying a solution obtained by dissolving or compatibilizing the resin composition of the present embodiment in a solvent to a support and drying it. That is, the laminated sheet of the present embodiment includes a support and a resin phase obtained by coating and drying the resin composition on the surface of the support.
- the support used here include a polyethylene film, a polypropylene film, a polycarbonate film, a polyethylene terephthalate film, an ethylenetetrafluoroethylene copolymer film, a release film in which a release agent is applied to the surface of these films, and a polyimide.
- Examples thereof include organic film base materials such as films, conductor foils such as copper foil and aluminum foil, and plate-like materials such as glass plates, SUS plates, and FRP, but are not particularly limited.
- Examples of the coating method include a method in which a solution obtained by dissolving or compatibilizing 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. Moreover, it can also be set as a single layer sheet (resin sheet
- the solution obtained by dissolving or dissolving the resin composition of the present embodiment in a solvent is supplied into a mold having a sheet-like cavity and dried to form a sheet, thereby supporting the support.
- a single layer sheet (resin sheet) can also be obtained without using.
- the drying conditions for removing the solvent are not particularly limited, but from the viewpoint of suppressing the remaining of the solvent in the resin composition and the curing of the resin composition, 20 It is preferable to expose for 1 to 90 minutes in a temperature environment of from 0 to 200 ° C.
- the thickness of the resin layer in the single layer or laminated sheet of the present embodiment can be adjusted by the concentration of the solution of the resin composition of the present embodiment and the coating thickness, and is not particularly limited. 0.1 to 500 ⁇ m is preferable. By making this thickness 500 ⁇ m or less, it becomes easier to suppress the remaining of the solvent during drying.
- a prepreg, a laminate sheet, a metal foil-clad laminate, etc. that are excellent in moisture absorption heat resistance, flame retardancy, and solvent solubility, and to realize a high-performance printed wiring board.
- a resin composition consisting only of a non-halogen compound having excellent solvent solubility in other words, a resin composition not containing a halogen compound, a non-halogen resin composition.
- a prepreg, a laminated sheet, a metal foil-clad laminate, and the like, and its industrial practicality is extremely high.
- the reaction solution was allowed to stand to separate the organic phase and the aqueous phase.
- the obtained organic phase was washed 5 times with 2000 g of water.
- the electric conductivity of the waste water in the fifth washing with water was 20 ⁇ S / cm, and it was confirmed that the ionic compounds that could be removed by washing with water were sufficiently removed.
- the organic phase after washing with water is concentrated under reduced pressure, and finally concentrated to dryness at 90 ° C. for 1 hour.
- the target cyanate ester compound SNCN-MX (orange viscous product) represented by the following formula (5) 777 g was obtained.
- the weight average molecular weight Mw of the cyanate ester compound SNCN-MX represented by the formula (5) was 1040.
- the IR spectrum of the cyanate ester compound SNCN-MX showed an absorption of 2250 cm ⁇ 1 (cyanate ester group) and no absorption of a hydroxy group.
- the cyanate ester compound SNCN-MX was a mixture of n in the above formula (5) in the range of 1-10.
- solution 4 After the pouring of solution 3 was completed, the mixture was stirred at the same temperature for 30 minutes, and then 65 g (0.64 mol) of triethylamine (0.5 mol with respect to 1 mol of hydroxy group of 1-naphthol aralkyl resin) was added to 65 g of dichloromethane. The dissolved solution (solution 4) was poured over 10 minutes. After the pouring of the solution 4 was completed, the reaction was completed by stirring for 30 minutes at the same temperature.
- 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 by washing with water were sufficiently removed.
- 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 intended cyanate ester compound SNCN (orange viscous product) represented by the following formula (6). Obtained.
- the obtained cyanate ester compound SNCN had a weight average molecular weight Mw of 600. Further, the IR spectrum of the cyanate ester compound SNCN showed an absorption of 2250 cm ⁇ 1 (cyanate ester group) and no absorption of a hydroxy group.
- the cyanate ester compound SNCN was a mixture of n in the range of 1 to 5 in the above formula (6).
- Example 1 50 parts by mass of SNCN-MX obtained by Synthesis Example 1, 50 parts by mass of biphenylaralkyl type epoxy resin (product name “NC-3000-FH”, manufactured by Nippon Kayaku Co., Ltd.), fused silica (product name “SC2050MB”, A varnish was obtained by mixing 100 parts by mass of Admatex) and 0.10 parts by mass of zinc octylate (manufactured by Nippon Chemical Industry Co., Ltd.). This varnish is diluted with methyl ethyl ketone, impregnated and coated on a 0.1 mm thick E glass woven fabric, dried by heating at 165 ° C. for 5 minutes, and the total amount of resin solids and fused silica is 100 parts by mass. A prepreg containing 50 parts by mass of resin solids was obtained.
- Example 3 (Comparative Example 3) Instead of using 50 parts by weight of SNCN-MX, Example 50 was used except that 50 parts by weight of SNCN obtained in Synthesis Example 2 was used and the amount of zinc octylate was changed from 0.10 parts by weight to 0.11 parts by weight. In the same manner as in Example 1, a metal foil-clad laminate having an insulating layer thickness of 0.8 mm was obtained. Table 1 shows the results of various measurements and evaluations.
- the resin composition of the present invention is useful in various applications such as electric / electronic materials, machine tool materials, and aviation materials. More specifically, for example, the resin composition of the present invention can be used widely and effectively as an electrical insulating material, a semiconductor plastic package, a sealing material, an adhesive, a laminated material, a resist, a build-up laminated board material, and the like. It is. In particular, the resin composition of the present invention can be used particularly effectively as a printed wiring board material compatible with high integration and high density in recent information terminal equipment and communication equipment. In addition, the laminate and the metal foil-clad laminate of the present invention have not only low water absorption but also excellent performance in moisture absorption heat resistance and flame retardancy, so that their industrial practicality is extremely high. It will be a thing.
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Abstract
Description
[1]下記式(1)で表される1種又は2種以上のシアン酸エステル化合物(A)及びエポキシ樹脂(B)を含有する、樹脂組成物。
[2]前記樹脂組成物中の樹脂固形分100質量部に対して、前記シアン酸エステル化合物(A)の含有量が1~90質量部である、[1]に記載の樹脂組成物。
[3]さらに、無機充填材(C)を含有する、[1]又は[2]に記載の樹脂組成物。
[4]前記樹脂組成物中の樹脂固形分100質量部に対して、前記無機充填材(C)の含有量が50~1600質量部である、[3]に記載の樹脂組成物。
[5]さらに、マレイミド化合物及び前記シアン酸エステル化合物(A)以外のシアン酸エステル化合物からなる群より選択される1種以上の化合物を含有する、[1]~[4]のいずれか一つに記載の樹脂組成物。
[6]前記エポキシ樹脂(B)が、ビフェニルアラルキル型エポキシ樹脂、ナフチレンエーテル型エポキシ樹脂、多官能フェノール型エポキシ樹脂及びナフタレン型エポキシ樹脂からなる群より選択される1種以上である、[1]~[5]のいずれか一つに記載の樹脂組成物。
[7]基材と、その基材に含浸又は塗布した[1]~[6]のいずれか一つに記載の樹脂組成物と、を含むプリプレグ。
[8]1枚以上の[7]に記載のプリプレグと、前記プリプレグの片面又は両面に配置した金属箔と、を含む金属箔張り積層板。
[9]支持体と、その支持体の表面に[1]~[6]のいずれか一つに記載の樹脂組成物を塗工及び乾燥させてなる樹脂層と、を含む積層シート。
[10]絶縁層と、前記絶縁層の表面に形成された導体層とを含むプリント配線板であって、前記絶縁層が、[1]~[6]のいずれか一つに記載の樹脂組成物を含むプリント配線板。
本実施形態において用いられるシアン酸エステル化合物(A)は、ナフトール変性メタキシレングリコール樹脂をシアネート化して得られるものである。R1、R2、R3及びR4は、それぞれ独立に、水素原子又は炭素数1~6のアルキル基であることが好ましく、水素原子又は炭素数1~3のアルキル基であることが好ましい。また、R1、R2、R3及びR4のうち、少なくとも1つは水素原子であることが好ましく、3つが水素原子であることがより好ましい。
サンプル1gを100gのテトラヒドロフラン(溶媒)に溶解させた溶液10μLを高速液体クロマトグラフィー(株式会社日立ハイテクノロジーズ社製高速液体クロマトグラフ、製品名「LachromElite」)に注入し分析を実施した。カラムは東ソー株式会社製の製品名「TSKgel GMHHR-M」(長さ30cm×内径7.8mm)2本、移動相はテトラヒドロフラン、流速は1mL/min.、検出器はRIであった。重量平均分子量Mwは、GPC法によりポリスチレンを標準物質として求めた。
ナフトール変性メタキシレングリコール樹脂をシアネート化して得られるシアン酸エステル化合物(以下、「SNCN-MX」とも略記する。)の合成
<ナフトール変性メタキシレングリコール樹脂の合成>
リービッヒ冷却管、温度計及び攪拌翼を備えた内容積2Lの四つ口フラスコに、窒素気流下で、メタキシレングリコール420.0g(3.04mol)、1-ナフトール876.5g(6.08mol)を仕込み、90℃で加熱溶融させた。加熱溶融物を撹拌しながら、そこにパラトルエンスルホン酸260mg(1.51mmol)を加え、170℃まで昇温しながら3時間反応させた。この反応生成物を、中和水洗してから、未反応原料を減圧下に除去することで、ナフトール変性メタキシレングリコール樹脂945gを得た。得られた樹脂のOH基当量は220g/eq.であった。
上記方法で得られたナフトール変性メタキシレングリコール樹脂720g(OH基当量:220g/eq.、OH基換算で3.27mol、重量平均分子量Mw:820)及びトリエチルアミン496.8g(4.91mol、ナフトール変性メタキシレングリコール樹脂のヒドロキシ基1モルに対して1.5モル)をジクロロメタン3960gに溶解させ、これを溶液1とした。
α-ナフトールアラルキル型シアン酸エステル化合物(以下、「SNCN」とも略記する。)の合成
<SNCNの合成>
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基換算で1.28mol)及びトリエチルアミン194.6g(1.92mol、1-ナフトールアラルキル樹脂のヒドロキシ基1モルに対して1.5モル)をジクロロメタン1800gに溶解させ、これを溶液3とした。
合成例1により得られたSNCN-MX50質量部、ビフェニルアラルキル型エポキシ樹脂(製品名「NC-3000-FH」、日本化薬(株)製)50質量部、溶融シリカ(製品名「SC2050MB」、アドマテックス製)100質量部、及びオクチル酸亜鉛(日本化学産業(株)製)0.10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、165℃で5分間加熱乾燥して、樹脂固形分と溶融シリカとの合計量100質量部に対して樹脂固形分を50質量部含むプリプレグを得た。
1)吸水率
30mm×30mmのサンプルについて、JIS C6480に準拠して、プレッシャークッカー試験機(平山製作所製、型番:PC-3型)を用いて、121℃、2気圧で1、3、5時間処理後の吸水率を測定した。
50mm×50mmのサンプルの片面の半分以外の全銅箔をエッチング除去した試験片を、プレッシャークッカー試験機(平山製作所製、型番:PC-3型)を用いて、121℃、2気圧で3、4、5時間処理後、260℃のハンダ中に60秒浸漬した後の外観変化を目視で観察した。表1に示す結果は、(フクレが発生した試験片の数)/(試験に供した試験片の数)である。
13mm×130mmのサンプルの銅箔をエッチングによりすべて除去して試験片を得た。この試験片を用い、UL94垂直試験法に準じて耐燃性試験を実施した(n=5)。
SNCN-MX溶液を100mLガラスビンにて、25℃で60日保管した後、ガラスビン底部に析出が発生しているか否かを目視で確認した。析出が発生していない場合を「A」、析出が発生している場合を「B」と評価した。
SNCN-MX50質量部を用いる代わりに、ビスフェノールA型シアン酸エステル化合物(製品名「CA210」、三菱ガス化学(株)製)50質量部を用い、オクチル酸亜鉛の使用量を0.10質量部から0.03質量部に変更し、含侵塗工後の乾燥時の温度を165℃から150℃に変更したこと以外は、実施例1と同様にして、絶縁層厚さ0.8mmの金属箔張り積層板を得た。各種測定及び評価の結果を表1に示す。
SNCN-MX50質量部を用いる代わりに、ノボラック型シアン酸エステル化合物(製品名「Primaset PT-30」、ロンザジャパン(株)製)50質量部を用い、オクチル酸亜鉛の使用量を0.10質量部から0.04質量部に変更し、含侵塗工後の乾燥時の時間を5分間から4分間に変更したこと以外は、実施例1と同様にして、絶縁層厚さ0.8mmの金属箔張り積層板を得た。各種測定及び評価の結果を表1に示す。
SNCN-MX50質量部を用いる代わりに、合成例2で得られたSNCN50質量部を用い、オクチル酸亜鉛の使用量を0.10質量部から0.11質量部に変更したこと以外は、実施例1と同様にして、絶縁層厚さ0.8mmの金属箔張り積層板を得た。各種測定及び評価の結果を表1に示す。
Claims (10)
- 前記樹脂組成物中の樹脂固形分100質量部に対して、前記シアン酸エステル化合物(A)の含有量が1~90質量部である、請求項1に記載の樹脂組成物。
- さらに、無機充填材(C)を含有する、請求項1又は2に記載の樹脂組成物。
- 前記樹脂組成物中の樹脂固形分100質量部に対して、前記無機充填材(C)の含有量が50~1600質量部である、請求項3に記載の樹脂組成物。
- さらに、マレイミド化合物及び前記シアン酸エステル化合物(A)以外のシアン酸エステル化合物からなる群より選択される1種以上の化合物を含有する、請求項1~4のいずれか一項に記載の樹脂組成物。
- 前記エポキシ樹脂(B)が、ビフェニルアラルキル型エポキシ樹脂、ナフチレンエーテル型エポキシ樹脂、多官能フェノール型エポキシ樹脂及びナフタレン型エポキシ樹脂からなる群より選択される1種以上である、請求項1~5のいずれか一項に記載の樹脂組成物。
- 基材と、その基材に含浸又は塗布した請求項1~6のいずれか一項に記載の樹脂組成物と、を含むプリプレグ。
- 1枚以上の請求項7に記載のプリプレグと、前記プリプレグの片面又は両面に配置した金属箔と、を含む金属箔張り積層板。
- 支持体と、その支持体の表面に請求項1~6のいずれか一項に記載の樹脂組成物を塗工及び乾燥させてなる樹脂層と、を含む積層シート。
- 絶縁層と、前記絶縁層の表面に形成された導体層とを含むプリント配線板であって、前記絶縁層が、請求項1~6のいずれか一項に記載の樹脂組成物を含むプリント配線板。
Priority Applications (7)
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US15/023,879 US20160237246A1 (en) | 2013-10-25 | 2014-10-20 | Resin composition, prepreg, laminated sheet, and metal-foil-clad laminated board |
EP14856363.8A EP3061789B1 (en) | 2013-10-25 | 2014-10-20 | Resin composition, prepreg, laminated sheet, and metal-foil-clad laminated board |
CN201480058572.3A CN105705578B (zh) | 2013-10-25 | 2014-10-20 | 树脂组合物、预浸料、层叠片以及覆有金属箔的层叠板 |
KR1020167012537A KR102136518B1 (ko) | 2013-10-25 | 2014-10-20 | 수지 조성물, 프리프레그, 적층 시트 및 금속박 피복 적층판 |
SG11201602284SA SG11201602284SA (en) | 2013-10-25 | 2014-10-20 | Resin composition, prepreg, laminate, and metal foil clad laminate |
JP2015543848A JP6512102B2 (ja) | 2013-10-25 | 2014-10-20 | 樹脂組成物、プリプレグ、積層シート及び金属箔張り積層板 |
HK16109355.2A HK1221241A1 (zh) | 2013-10-25 | 2016-08-05 | 樹脂組合物、預浸料、層叠片以及覆有金屬箔的層叠板 |
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US (1) | US20160237246A1 (ja) |
EP (1) | EP3061789B1 (ja) |
JP (1) | JP6512102B2 (ja) |
KR (1) | KR102136518B1 (ja) |
CN (1) | CN105705578B (ja) |
HK (1) | HK1221241A1 (ja) |
SG (1) | SG11201602284SA (ja) |
TW (1) | TWI636089B (ja) |
WO (1) | WO2015060266A1 (ja) |
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WO2016125657A1 (ja) * | 2015-02-03 | 2016-08-11 | 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、樹脂複合シート、及びプリント配線板 |
WO2017006897A1 (ja) * | 2015-07-06 | 2017-01-12 | 三菱瓦斯化学株式会社 | 樹脂組成物、プリプレグ、レジンシート、金属箔張積層板及びプリント配線板 |
WO2017006895A1 (ja) * | 2015-07-06 | 2017-01-12 | 三菱瓦斯化学株式会社 | 樹脂組成物、それを用いたプリプレグ、レジンシート、積層板、及びプリント配線板 |
US11769607B2 (en) | 2015-07-06 | 2023-09-26 | Mitsubishi Gas Chemical Company, Inc. | Resin composition, prepreg, resin sheet, metal foil-clad laminate, and printed circuit board |
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CN110997755B (zh) * | 2017-08-21 | 2022-05-03 | 三菱瓦斯化学株式会社 | 树脂组合物、预浸料、覆金属箔层叠板、树脂片及印刷布线板 |
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US20160237246A1 (en) | 2016-08-18 |
EP3061789A1 (en) | 2016-08-31 |
CN105705578B (zh) | 2017-10-20 |
HK1221241A1 (zh) | 2017-05-26 |
EP3061789B1 (en) | 2018-05-30 |
TWI636089B (zh) | 2018-09-21 |
EP3061789A4 (en) | 2017-06-14 |
JP6512102B2 (ja) | 2019-05-15 |
CN105705578A (zh) | 2016-06-22 |
SG11201602284SA (en) | 2016-05-30 |
JPWO2015060266A1 (ja) | 2017-03-09 |
KR102136518B1 (ko) | 2020-07-22 |
KR20160078372A (ko) | 2016-07-04 |
TW201522488A (zh) | 2015-06-16 |
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