WO2010047348A1 - 重合性組成物、樹脂成形体、及び積層体 - Google Patents
重合性組成物、樹脂成形体、及び積層体 Download PDFInfo
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- WO2010047348A1 WO2010047348A1 PCT/JP2009/068134 JP2009068134W WO2010047348A1 WO 2010047348 A1 WO2010047348 A1 WO 2010047348A1 JP 2009068134 W JP2009068134 W JP 2009068134W WO 2010047348 A1 WO2010047348 A1 WO 2010047348A1
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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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
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- B32B15/00—Layered products comprising a layer of metal
- B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/02—Layered products essentially comprising sheet glass, or glass, slag, or like fibres in the form of fibres or filaments
- B32B17/04—Layered products essentially comprising sheet glass, or glass, slag, or like fibres in the form of fibres or filaments bonded with or embedded in a plastic substance
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- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/067—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of fibres or filaments
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- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
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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
- C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G61/02—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes
- C08G61/04—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms
- C08G61/06—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms prepared by ring-opening of carbocyclic compounds
- C08G61/08—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms prepared by ring-opening of carbocyclic compounds of carbocyclic compounds containing one or more carbon-to-carbon double bonds in the ring
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
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- 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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- 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
- 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
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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
- H05K1/032—Organic insulating material consisting of one material
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- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—Fibrous or filamentary layer
- B32B2260/023—Two or more layers
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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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/046—Synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
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- 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
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
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- 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
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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
- C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G2261/40—Polymerisation processes
- C08G2261/41—Organometallic coupling reactions
- C08G2261/418—Ring opening metathesis polymerisation [ROMP]
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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
- C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G2261/70—Post-treatment
- C08G2261/76—Post-treatment crosslinking
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- 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
- C08J2365/00—Characterised by the use of macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain; Derivatives of such polymers
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K5/0025—Crosslinking or vulcanising agents; including accelerators
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- C—CHEMISTRY; METALLURGY
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
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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
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0237—High frequency adaptations
- H05K1/024—Dielectric details, e.g. changing the dielectric material around a transmission line
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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
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- 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
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
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- H05K2201/0158—Polyalkene or polyolefin, e.g. polyethylene [PE], polypropylene [PP]
Definitions
- the present invention relates to a polymerizable composition, a resin molded body, and a laminate. More specifically, the polymerizable composition and the crosslinkable resin molding are useful for the production of a laminate having a very low dielectric loss tangent in the high frequency region and excellent wiring embedding property, heat resistance, and crack resistance in a thermal shock test.
- the present invention relates to a molded body, a crosslinked resin molded body, and a laminate obtained by using them.
- Patent Document 1 discloses a method for producing a post-crosslinkable thermoplastic resin characterized by bulk polymerization of a polymerizable composition containing a norbornene monomer, a metathesis polymerization catalyst, a chain transfer agent, and a crosslinking agent. ing.
- This document exemplifies allyl methacrylate and styryl methacrylate as chain transfer agents, and that a crosslinking aid may be added to the polymerizable composition, and p-quinonedioxime as a crosslinking aid.
- Dioxime compounds such as: methacrylate compounds such as lauryl methacrylate and trimethylolpropane trimethacrylate; fumaric acid compounds such as diallyl fumarate; phthalic acid compounds such as diallyl phthalate; cyanuric acid compounds such as triallyl cyanurate; imides such as maleimide Compounds and the like are exemplified.
- a fibrous reinforcing material is impregnated with a polymerizable composition containing a combination of a cycloolefin monomer, a metathesis polymerization catalyst, and a particulate metal hydroxide and a metallocene compound, and then obtained by ring-opening polymerization.
- a resin molded body to be obtained and a crosslinked resin composite material obtained by laminating the resin molded body on a base material and crosslinking by heating are disclosed.
- a polymerization property containing a combination of tetracyclododecene and 2-norbornene, a polymerization catalyst solution, styrene as a chain transfer agent, di-t-butyl peroxide as a crosslinking agent, and magnesium hydroxide and ferrocene as a flame retardant was prepared, and then the polymerizable composition was impregnated into a glass cloth, followed by heat polymerization at 150 ° C. to obtain a prepreg, and the prepreg was further hot-pressed to obtain a crosslinked molded body.
- a monomer such as dicyclopentadiene can be used as a cycloolefin monomer, an aryl methacrylate or a compound having two or more vinyl groups can be used as a chain transfer agent, and a dioxime compound such as p-quinonedioxime as a crosslinking aid; Methacrylate compounds such as lauryl methacrylate and trimethylolpropane trimethacrylate; fumaric acid compounds such as diallyl fumarate; phthalic acid compounds such as diallyl phthalate; cyanuric acid compounds such as triallyl cyanurate; imide compounds such as maleimide
- the compounding amount of the metal hydroxide is 50 to 300 parts by weight with respect to 100 parts by weight of the cycloolefin monomer.
- Patent Document 3 discloses a cyclic olefin monomer, a metathesis polymerization catalyst, a chain transfer agent, a radical crosslinking agent, and an alkoxyphenol skeleton having two or more substituents on an aromatic ring, an aryloxyphenol skeleton, and two or more substituents on an aromatic ring.
- a polymerizable composition containing a compound selected from the group consisting of compounds having a catechol skeleton is disclosed.
- a glass cloth is impregnated with a reactive solution containing tetracyclododec-4-ene and 2-norbornene, a ruthenium-based metathesis polymerization catalyst, and di-t-butyl peroxide as a cyclic olefin monomer.
- a method for producing a crosslinked resin is described in which a polymerization reaction is carried out at the temperature to produce a thermoplastic resin, and then the thermoplastic resin is heated and melted to be crosslinked. Further, dicyclopentadiene that is a cyclic olefin monomer and a ruthenium-based metathesis polymerization catalyst are dissolved in toluene, stirred at 70 ° C.
- thermoplastic resin a method for producing a crosslinked resin is described in which the thermoplastic resin is heated and melted to be crosslinked.
- a cyclic olefin monomer containing a cyclic olefin monomer having at least two metathesis reactive sites in the molecule such as norbornene, norbornadiene, methylnorbornene and dicyclopentadiene.
- trimethylolpropane trimethacrylate, ethylene glycol diacrylate, diallyl fumarate, diallyl phthalate, triallyl cyanurate, and the like may be used as a crosslinking aid.
- An object of the present invention is to provide a polymerizable composition, a crosslinkability useful for the production of a laminate having a very small dielectric loss tangent in a high frequency region, excellent wiring embedding property, heat resistance, and crack resistance in a thermal shock test.
- An object of the present invention is to provide a resin molded body and a crosslinked resin molded body, and a laminate obtained by using them.
- the present inventors have further formulated a polymerizable composition containing a cycloolefin monomer, a polymerization catalyst, a crosslinking agent, and benzyl methacrylate, in particular, a trimethylolpropane trimethacrylate that is a crosslinking aid.
- a prepreg excellent in fluidity at the time of heating and melting can be obtained, and the prepreg is laminated with the prepregs or other members and then heated and cross-linked. It was found that a laminate excellent in all of properties of heat resistance, heat resistance and crack resistance in a thermal shock test can be obtained.
- a polymerizable composition comprising a cycloolefin monomer, a polymerization catalyst, a crosslinking agent, and a reactive fluidizing agent, [2] The polymerizable property according to [1], wherein the reactive fluidizing agent is a monofunctional compound having no polymerizable carbon-carbon unsaturated bond and having one crosslinkable carbon-carbon unsaturated bond.
- composition [3] The polymerizable composition according to the above [1] or [2], wherein the reactive fluidizing agent is a cyclic hydrocarbon group-containing methacrylate compound, [4] The polymerizable composition as set forth in any one of [1] to [3], further comprising a crosslinking aid, [5] The polymerization according to [4], wherein the blending ratio of the reactive fluidizing agent and the crosslinking aid is in the range of 15/85 to 70/30 in terms of weight ratio (reactive fluidizing agent / crosslinking aid).
- Sex composition [6] The above [4] or [4] wherein the reactive fluidizing agent is at least one compound selected from the group consisting of benzyl methacrylate, adamantyl methacrylate and dicyclopentanyl methacrylate, and the crosslinking assistant is trimethylolpropane trimethacrylate.
- the polymerizable composition as described above [7] The polymerizable composition as described in any one of [1] to [6] above, wherein the cycloolefin monomer includes a cycloolefin monomer having one or more crosslinkable carbon-carbon unsaturated bonds.
- the polymerizable composition which is useful for the production of a laminate having a very small dielectric loss tangent in a high frequency region, excellent wiring embedding property, heat resistance, and crack resistance in a thermal shock test, crosslinkability A resin molded body, a crosslinked resin molded body, and the laminate are provided. Since the laminate of the present invention is excellent in dielectric properties, wiring embedding properties, heat resistance and crack resistance in a thermal shock test, it should be suitably used for high frequency circuit boards such as microwaves or millimeter waves for communication equipment applications. Can do.
- the polymerizable composition of the present invention contains a cycloolefin monomer, a polymerization catalyst, a crosslinking agent, and a reactive fluidizing agent.
- the cycloolefin monomer used in the present invention is a compound having an alicyclic structure formed of carbon atoms and having one polymerizable carbon-carbon double bond in the alicyclic structure.
- polymerizable carbon-carbon double bond refers to a carbon-carbon double bond capable of chain polymerization (ring-opening polymerization).
- ring-opening polymerization There are various types of ring-opening polymerization, such as ionic polymerization, radical polymerization, and metathesis polymerization. In the present invention, it generally refers to metathesis ring-opening polymerization.
- Examples of the alicyclic structure of the cycloolefin monomer include monocycles, polycycles, condensed polycycles, bridged rings, and combination polycycles thereof.
- the number of carbon atoms constituting each alicyclic structure is not particularly limited, but is usually 4 to 30, preferably 5 to 20, and more preferably 5 to 15.
- the cycloolefin monomer has a hydrocarbon group having 1 to 30 carbon atoms such as an alkyl group, an alkenyl group, an alkylidene group, and an aryl group, and a polar group such as a carboxyl group or an acid anhydride group as a substituent.
- those having no polar group that is, comprising only carbon atoms and hydrogen atoms are preferable.
- cycloolefin monomer either a monocyclic cycloolefin monomer or a polycyclic cycloolefin monomer can be used. From the viewpoint of highly balancing the dielectric properties and heat resistance properties of the resulting laminate, polycyclic cycloolefin monomers are preferred.
- polycyclic cycloolefin monomer a norbornene-based monomer is particularly preferable.
- the “norbornene monomer” refers to a cycloolefin monomer having a norbornene ring structure in the molecule. Examples include norbornenes, dicyclopentadiene, and tetracyclododecene.
- crosslinkable carbon-carbon unsaturated bond refers to a carbon-carbon unsaturated bond that does not participate in ring-opening polymerization and can participate in a crosslinking reaction.
- the cross-linking reaction is a reaction that forms a bridge structure, and there are various forms such as a condensation reaction, an addition reaction, a radical reaction, and a metathesis reaction. It refers to a crosslinking reaction, particularly a radical crosslinking reaction.
- crosslinkable carbon-carbon unsaturated bond examples include carbon-carbon unsaturated bonds other than aromatic carbon-carbon unsaturated bonds, that is, aliphatic carbon-carbon double bonds or triple bonds. Usually refers to an aliphatic carbon-carbon double bond.
- the position of the unsaturated bond is not particularly limited, and other than within the alicyclic structure formed of carbon atoms, other than the alicyclic structure It may be present at any position of, for example, at the end or inside of the side chain.
- the aliphatic carbon-carbon double bond may exist as a vinyl group (CH 2 ⁇ CH—), a vinylidene group (CH 2 ⁇ C ⁇ ), or a vinylene group (—CH ⁇ CH—), Since it exhibits radical crosslinkability, it preferably exists as a vinyl group and / or vinylidene group, and more preferably as a vinylidene group.
- cycloolefin monomer having no crosslinkable carbon-carbon unsaturated bond examples include cyclopentene, 3-methylcyclopentene, 4-methylcyclopentene, 3,4-dimethylcyclopentene, 3,5-dimethylcyclopentene, and 3-chlorocyclopentene.
- Monocyclic cycloolefin monomers such as cyclohexene, 3-methylcyclohexene, 4-methylcyclohexene, 3,4-dimethylcyclohexene, 3-chlorocyclohexene, and cycloheptene; norbornene, 5-methyl-2-norbornene, 5-ethyl-2-norbornene, 5-propyl-2-norbornene, 5,6-dimethyl-2-norbornene, 1-methyl-2-norbornene, 7-methyl-2-norbornene, 5,5,6-trimethyl- 2-norbornene, 5 Phenyl-2-norbornene, tetracyclododecene, 1,4,5,8-dimethano-1,2,3,4,4a, 5,8,8a-octahydronaphthalene (TCD), 2-methyl-1, 4,5,8-dimethano-1,2,3,4,4a, 5,8,8a-octa
- cycloolefin monomers having one or more crosslinkable carbon-carbon unsaturated bonds include 3-vinylcyclohexene, 4-vinylcyclohexene, 1,3-cyclopentadiene, 1,3-cyclohexadiene, 1,4- Monocyclic cycloolefin monomers such as cyclohexadiene, 5-ethyl-1,3-cyclohexadiene, 1,3-cycloheptadiene, and 1,3-cyclooctadiene; 5-ethylidene-2-norbornene, 5- Methylidene-2-norbornene, 5-isopropylidene-2-norbornene, 5-vinyl-2-norbornene, 5-allyl-2-norbornene, 5,6-diethylidene-2-norbornene, dicyclopentadiene, and 2,5- Norbornene-based monomers such as norbornadiene; Ku crosslinkable carbon
- the cycloolefin monomer used in the present invention preferably includes a cycloolefin monomer having one or more crosslinkable carbon-carbon unsaturated bonds.
- a cycloolefin monomer having one or more crosslinkable carbon-carbon unsaturated bonds.
- the ratio may be appropriately selected as desired, but is usually in a weight ratio (cycloolefin monomer having one or more crosslinkable carbon-carbon unsaturated bonds / cycloolefin monomer having no crosslinkable carbon-carbon unsaturated bonds).
- the range is 5/95 to 100/0, preferably 10/90 to 90/10, and more preferably 15/85 to 70/30. If the said mixture ratio exists in this range, in the obtained laminated body, characteristics, such as heat resistance and crack resistance in a thermal shock test, can be improved highly, and it is suitable.
- the polymerizable composition of the present invention may contain any monomer copolymerizable with the above cycloolefin monomer as long as the expression of the effect of the present invention is not inhibited.
- the polymerization catalyst used in the present invention is not particularly limited as long as it can polymerize the cycloolefin monomer, but the polymerizable composition of the present invention is directly agglomerated in the production of a crosslinkable resin molded article described later. It is preferable to use it for polymerization, and it is usually preferable to use a metathesis polymerization catalyst.
- Examples of the metathesis polymerization catalyst include a complex in which a plurality of ions, atoms, polyatomic ions, compounds, and the like are bonded with a transition metal atom as a central atom, which is capable of metathesis ring-opening polymerization of the cycloolefin monomer. It is done.
- transition metal atoms atoms of Group 5, Group 6, and Group 8 (according to the long-period periodic table; the same applies hereinafter) are used.
- examples of the Group 5 atom include tantalum
- examples of the Group 6 atom include molybdenum and tungsten
- examples of the Group 8 atom include: Examples include ruthenium and osmium.
- the group 8 ruthenium or osmium is preferable as the transition metal atom. That is, the metathesis polymerization catalyst used in the present invention is preferably a complex having ruthenium or osmium as a central atom, and more preferably a complex having ruthenium as a central atom.
- the complex having ruthenium as a central atom a ruthenium carbene complex in which a carbene compound is coordinated to ruthenium is preferable.
- the “carbene compound” is a general term for compounds having a methylene free group, and refers to a compound having an uncharged divalent carbon atom (carbene carbon) as represented by (> C :).
- the ruthenium carbene complex is excellent in catalytic activity during bulk polymerization, when the crosslinkable resin molded body is obtained by subjecting the polymerizable composition of the present invention to bulk polymerization, the resulting molded body is derived from unreacted monomers. A molded article with low odor and good productivity can be obtained. In addition, it is relatively stable to oxygen and moisture in the air and is not easily deactivated, so it can be used even in the atmosphere.
- ruthenium carbene complex examples include complexes represented by the following formula (1) or formula (2).
- R 1 and R 2 may each independently contain a hydrogen atom, a halogen atom, or a halogen atom, an oxygen atom, a nitrogen atom, a sulfur atom, a phosphorus atom, or a silicon atom. It represents a cyclic or chain hydrocarbon group having 1 to 20 carbon atoms.
- X 1 and X 2 each independently represent an arbitrary anionic ligand.
- L 1 and L 2 each independently represent a hetero atom-containing carbene compound or a neutral electron donating compound other than the hetero atom-containing carbene compound.
- R 1 and R 2 may be bonded to each other to form an aliphatic ring or an aromatic ring that may contain a hetero atom.
- R 1 , R 2 , X 1 , X 2 , L 1 and L 2 may be bonded together in any combination to form a multidentate chelating ligand.
- a heteroatom means an atom of groups 15 and 16 of the periodic table, and specifically, a nitrogen atom (N), an oxygen atom (O), a phosphorus atom (P), a sulfur atom (S), an arsenic atom (As), selenium atom (Se), and the like.
- N nitrogen atom
- O oxygen atom
- P phosphorus atom
- S sulfur atom
- As arsenic atom
- Se selenium atom
- the mechanical strength and impact resistance of the resulting crosslinked resin molded product and laminate can be highly balanced, so that a carbene compound having a heterocyclic structure is coordinated as a heteroatom-containing carbene compound. What has at least 1 child is preferable.
- a carbene compound having a heterocyclic structure is coordinated as a heteroatom-containing carbene compound. What has at least 1 child is preferable.
- the heterocyclic structure an imidazoline ring structure or an imidazolidine ring structure is preferable.
- Examples of the carbene compound having a heterocyclic structure include compounds represented by the following formula (3) or formula (4).
- R 3 to R 6 may each independently contain a hydrogen atom; a halogen atom; or a halogen atom, oxygen atom, nitrogen atom, sulfur atom, phosphorus atom, or silicon atom. Represents a cyclic or chain hydrocarbon group having 1 to 20 carbon atoms. R 3 to R 6 may be bonded to each other in any combination to form a ring.
- Examples of the compound represented by the formula (3) or the formula (4) include 1,3-dimesitylimidazolidine-2-ylidene, 1,3-di (1-adamantyl) imidazolidin-2-ylidene, , 3-dicyclohexylimidazolidine-2-ylidene, 1,3-dimesityloctahydrobenzimidazol-2-ylidene, 1,3-diisopropyl-4-imidazoline-2-ylidene, 1,3-di (1-phenyl) Ethyl) -4-imidazoline-2-ylidene, 1,3-dimesityl-2,3-dihydrobenzimidazol-2-ylidene and the like.
- the anionic (anionic) ligands X 1 and X 2 are ligands having a negative charge when separated from the central metal atom.
- halogen atoms such as fluorine atom (F), chlorine atom (Cl), bromine atom (Br), and iodine atom (I), diketonate group, substituted cyclopentadienyl group, alkoxy group, aryloxy group, and carboxyl Examples include groups. Among these, a halogen atom is preferable and a chlorine atom is more preferable.
- the neutral electron donating compound may be any ligand as long as it has a neutral charge when it is separated from the central metal.
- Specific examples thereof include carbonyls, amines, pyridines, ethers, nitriles, esters, phosphines, thioethers, aromatic compounds, olefins, isocyanides, thiocyanates, and the like.
- phosphines, ethers and pyridines are preferable, and trialkylphosphine is more preferable.
- Examples of the complex compound represented by the formula (1) include benzylidene (1,3-dimesityl-4-imidazolidin-2-ylidene) (tricyclohexylphosphine) ruthenium dichloride, benzylidene (1,3-dimesityl-4,5 -Dibromo-4-imidazoline-2-ylidene) (tricyclohexylphosphine) ruthenium dichloride, (1,3-dimesityl-4-imidazoline-2-ylidene) (3-phenyl-1H-indene-1-ylidene) (tricyclohexyl) Phosphine) ruthenium dichloride, (1,3-dimesitylimidazolidine-2-ylidene) (3-methyl-2-buten-1-ylidene) (tricyclopentylphosphine) ruthenium dichloride, benzylidene (1,3-dimesityl-oc
- Ruthenium compounds in which two neutral electron-donating compounds are bonded such as benzylidenebis (tricyclohexylphosphine) ruthenium dichloride, (3-methyl-2-buten-1-ylidene) bis (tricyclopentylphosphine) ruthenium dichloride;
- Examples of the complex compound represented by the formula (2) include (1,3-dimesitymylimidazolidine-2-ylidene) (phenylvinylidene) (tricyclohexylphosphine) ruthenium dichloride, (t-butylvinylidene) (1, And 3-diisopropyl-4-imidazoline-2-ylidene) (tricyclopentylphosphine) ruthenium dichloride, bis (1,3-dicyclohexyl-4-imidazoline-2-ylidene) phenylvinylidene ruthenium dichloride, and the like.
- the metathesis polymerization catalysts are used alone or in combination of two or more.
- the amount of the metathesis polymerization catalyst used is usually 1: 2,000 to 1: 2,000,000, preferably 1: 5,000 to 1 in terms of molar ratio (metal atom in the metathesis polymerization catalyst: cycloolefin monomer). : 1,000,000, more preferably in the range of 1: 10,000 to 1: 500,000.
- the metathesis polymerization catalyst can be used by dissolving or suspending in a small amount of an inert solvent, if desired.
- solvents include chain aliphatic hydrocarbons such as n-pentane, n-hexane, n-heptane, liquid paraffin, and mineral spirits; cyclopentane, cyclohexane, methylcyclohexane, dimethylcyclohexane, trimethylcyclohexane, ethylcyclohexane, diethyl Cycloaliphatic hydrocarbons such as cyclohexane, decahydronaphthalene, dicycloheptane, tricyclodecane, hexahydroindene and cyclooctane; aromatic hydrocarbons such as benzene, toluene and xylene; alicyclic rings such as indene and tetrahydronaphthalene And hydrocarbons having an aromatic ring; nitrogen-
- the crosslinking agent used in the present invention is used for the purpose of inducing a crosslinking reaction in a polymer (cycloolefin polymer) obtained by subjecting the polymerizable composition of the present invention to a polymerization reaction. Accordingly, the polymer becomes a post-crosslinkable thermoplastic resin.
- “after-crosslinking is possible” means that the resin can be heated to advance a crosslinking reaction to form a crosslinked resin.
- the crosslinkable resin molded product of the present invention using the polymer as a matrix resin is melted by heating and has a high viscosity, its shape is maintained, while when an arbitrary member is brought into contact with the surface, Exhibits followability to the shape of the member, and finally crosslinks and cures.
- Such characteristics of the crosslinkable resin molded article of the present invention contribute to improvement of wiring embedding property and interlayer adhesion in a laminate obtained by laminating, melting and crosslinking the crosslinkable resin molded article of the present invention. It is considered a thing.
- the crosslinking agent is not particularly limited, but usually a radical generator is preferably used.
- the radical generator include organic peroxides, diazo compounds, and nonpolar radical generators, and organic peroxides and nonpolar radical generators are preferable.
- organic peroxide examples include hydroperoxides such as t-butyl hydroperoxide, p-menthane hydroperoxide, and cumene hydroperoxide; dicumyl peroxide, t-butylcumyl peroxide, ⁇ , ⁇ ′-bis (t -Butylperoxy-m-isopropyl) benzene, di-t-butyl peroxide, 2,5-dimethyl-2,5-di (t-butylperoxy) -3-hexyne, and 2,5-dimethyl-2,5- Dialkyl peroxides such as di (t-butylperoxy) hexane; diacyl peroxides such as dipropionyl peroxide and benzoyl peroxide; 2,2-di (t-butylperoxy) butane, 1,1-di (t-hexylperoxy) Cyclohexane, 1,1-di (t-butylperoxy)
- diazo compound examples include 4,4'-bisazidobenzal (4-methyl) cyclohexanone and 2,6-bis (4'-azidobenzal) cyclohexanone.
- Nonpolar radical generators include 2,3-dimethyl-2,3-diphenylbutane, 3,4-dimethyl-3,4-diphenylhexane, 1,1,2-triphenylethane, and 1,1,1 -Triphenyl-2-phenylethane and the like.
- the half-life temperature for 1 minute is appropriately selected depending on the conditions of curing (crosslinking of a polymer obtained by subjecting the polymerizable composition of the present invention to a polymerization reaction). 100 to 300 ° C., preferably 150 to 250 ° C., more preferably 160 to 230 ° C.
- the half-life temperature for 1 minute is a temperature at which half of the radical generator decomposes in 1 minute.
- the 1-minute half-life temperature of the radical generator may be referred to, for example, a catalog or homepage of each radical generator manufacturer (for example, NOF Corporation).
- the radical generators can be used alone or in combination of two or more.
- the amount of the radical generator added to the polymerizable composition of the present invention is usually 0.01 to 10 parts by weight, preferably 0.1 to 10 parts by weight, more preferably 100 parts by weight of the cycloolefin monomer. Is in the range of 0.5 to 5 parts by weight.
- the polymer obtained by subjecting the polymerizable composition of the present invention to a polymerization reaction becomes a post-crosslinkable thermoplastic resin.
- the “reactive fluidizing agent” is present in such a polymer in a substantially free state, and is heated and melted by lowering the glass transition temperature (Tg) of the polymer as a fluidizing agent.
- Tg glass transition temperature
- the crosslinkable resin molded product of the present invention having the polymer as a matrix resin is heated and melted, the surface of the molded product is in contact with the surface of the arbitrary member.
- it refers to a monofunctional compound that exhibits a binding reactivity to a polymer by being involved in the reaction after the crosslinking reaction is induced by the crosslinking agent while improving the followability.
- the polymer containing the reactive fluidizing agent when used as a matrix resin for a cross-linkable resin molded body, which will be described later, when the molded body is laminated with a circuit board or the like, it is easily melt-laminated by heating the molded body. In addition, in the obtained laminate, sufficient interlayer adhesion and wiring embedding can be obtained. Furthermore, the reactive fluidizing agent is involved in the crosslinking reaction induced by the crosslinking agent by heating during lamination, and exhibits binding reactivity to the polymer. It is presumed that what is present in the state decreases, and that there is substantially no free state at the end of the crosslinking reaction. Therefore, unlike what is called a plasticizer, it does not become a factor which reduces the heat resistance of the laminated body obtained. Rather, the resulting laminate can have the effect of increasing heat resistance and crack resistance.
- the reactive fluidizing agent used in the present invention includes, for example, a crosslinking reaction that does not have a polymerizable carbon-carbon unsaturated bond (carbon-carbon double bond or triple bond) and is induced by a crosslinking agent. And monofunctional compounds having one group that participates and exhibits a binding reactivity to the polymer.
- the polymerizable carbon-carbon unsaturated bond include, for example, a polymerizable carbon-carbon double bond in the alicyclic structure of a cycloolefin monomer and an aliphatic carbon that can participate in ring-opening polymerization such as a vinyl group. Examples thereof include a carbon unsaturated bond group.
- Examples of the group exhibiting the binding reactivity to the polymer in relation to the crosslinking reaction induced by the crosslinking agent include a crosslinkable carbon-carbon unsaturated bond, or an organic group exhibiting the binding reactivity.
- the reactive fluidizing agent has no polymerizable carbon-carbon unsaturated bond and has a single crosslinkable carbon-carbon unsaturated bond because it has excellent bond reactivity to the resulting polymer. Functional compounds are preferred.
- the crosslinkable carbon-carbon unsaturated bond is preferably present, for example, as a vinylidene group present at the molecular end, particularly as an isopropenyl group or a methacryl group. More preferably present as Examples of the organic group include an epoxy group, an isocyanate group, and a sulfonic acid group.
- a cyclic hydrocarbon group-containing methacrylate compound represented by the following general formula (A) is particularly preferable because of particularly excellent binding reactivity to the resulting polymer.
- R represents a substituted or unsubstituted saturated alicyclic group having 3 to 30 carbon atoms, or a substituted or unsubstituted aromatic group having 6 to 30 carbon atoms, and n represents 0 to It is an integer of 10.
- saturated alicyclic group having 3 to 30 carbon atoms include monocyclic groups such as cyclobutyl group, cyclopentyl group, cyclohexyl group, and cyclooctyl group; bicyclic groups such as bicyclohexyl group; tricyclo [5, and the like; tetracyclic groups such as adamantyl group; 2,1,0 2,6] (.
- dicyclopentanyl group decanyl group tricyclic groups such as.
- the saturated alicyclic group is preferably a tricyclic group or a tetracyclic group from the viewpoint of improving the heat resistance of the resulting crosslinked resin molded product or laminate, and tricyclo [5,2,1,0 2,6 A decanyl group or an adamantyl group is more preferred, and a tricyclo [5,2,1,0 2,6 ] decanyl group is particularly preferred.
- the aromatic group having 6 to 30 carbon atoms include monocyclic groups such as phenyl groups; bicyclic groups such as naphthyl groups and biphenyl groups; tricyclic groups such as fluorenyl groups; and the like.
- the aromatic group from the same viewpoint as the saturated alicyclic group, a monocyclic group is preferable, and a phenyl group is more preferable.
- substituent for the saturated alicyclic group and aromatic group include polar groups such as alkyl groups having 3 to 11 carbon atoms, alkoxy groups having 3 to 11 carbon atoms, carboxyl groups, and acid anhydride groups.
- n is preferably 0 to 5, particularly preferably 1.
- Specific examples of the compound represented by the general formula (A) include cyclohexyl methacrylate, cyclooctyl methacrylate, phenyl methacrylate, benzyl methacrylate, tolyl methacrylate, adamantyl methacrylate, and dicyclopentanyl methacrylate, and preferably cyclohexyl.
- the reactive fluidizing agent used in the present invention in addition to the above compounds, for example, monofunctional compounds having one methacryl group such as lauryl methacrylate, cyclooctenyl methacrylate, tetrahydrofurfuryl methacrylate, and methoxydiethylene glycol methacrylate; Monofunctional compounds having one isopropenyl group, such as isopropenylbenzene; and the like, and monofunctional compounds having one methacryl group are preferred.
- These reactive fluidizing agents can be used alone or in combination of two or more.
- the amount of the reactive fluidizing agent may be appropriately selected as desired, but is usually 0.1 to 100 parts by weight, preferably 0.5 to 50 parts by weight, more preferably 100 parts by weight of the cycloolefin monomer. Is 1 to 30 parts by weight.
- crosslinking aid examples include polyfunctional compounds having two or more crosslinkable carbon-carbon unsaturated bonds that are not involved in ring-opening polymerization and can participate in the crosslinking reaction induced by the crosslinking agent. preferable.
- Such a crosslinkable carbon-carbon unsaturated bond is preferably present, for example, as a vinylidene group present at the molecular terminal, particularly as an isopropenyl group or a methacryl group, as a methacryl group. More preferably it is present.
- crosslinking aid examples include isopropenyl groups such as polyfunctional compounds having two isopropenyl groups, such as p-diisopropenylbenzene, m-diisopropenylbenzene, and o-diisopropenylbenzene.
- polyfunctional compounds ethylene dimethacrylate, 1,3-butylene dimethacrylate, 1,4-butylene dimethacrylate, 1,6-hexanediol dimethacrylate, polyethylene glycol dimethacrylate, polyethylene glycol dimethacrylate, ethylene glycol dimethacrylate
- Polyfunctional compounds having two methacrylic groups such as triethylene glycol dimethacrylate, diethylene glycol dimethacrylate, and 2,2′-bis (4-methacryloxydiethoxyphenyl) propane; Methylol - such as Le propane trimethacrylate and pentaerythritol trimethacrylate, such as a polyfunctional compound having three methacryl groups, a polyfunctional compound having two or more methacryl groups; and the like.
- the polyfunctional compound which has 2 or more of methacryl groups is preferable from a viewpoint of improving the heat resistance and crack resistance of the laminated body obtained.
- polyfunctional compounds having two or more methacryl groups polyfunctional compounds having three methacryl groups such as trimethylolpropane trimethacrylate and pentaerythritol trimethacrylate are more preferable.
- the crosslinking aids can be used alone or in combination of two or more.
- the amount of crosslinking aid added to the polymerizable composition of the present invention is usually 0.1 to 100 parts by weight, preferably 0.5 to 50 parts by weight, more preferably 100 parts by weight of the cycloolefin monomer. Is 1 to 30 parts by weight.
- Both the reactive fluidizing agent and the crosslinking aid used in the present invention are present in a substantially free state in the polymer constituting the crosslinkable resin molded article of the present invention.
- it produces a plastic effect. Therefore, when the molded body is heated, the polymer melts and exhibits an appropriate fluidity.
- the molded body is continuously heated, a crosslinking reaction is induced by the crosslinking agent, but both the reactive fluidizing agent and the crosslinking auxiliary agent are involved in the crosslinking reaction and exhibit binding reactivity to the polymer. From this, it is estimated that as the cross-linking reaction proceeds, the amount existing in the free state decreases, and at the end of the cross-linking reaction, there is substantially no free state.
- the binding reactivity to the polymer is considered to be higher for the crosslinking aid than the reactive fluidizing agent. Therefore, the plasticizing effect can be expressed longer by the reactive fluidizing agent than by the crosslinking aid.
- the use of a crosslinking aid is preferable from the viewpoint of increasing the crosslinking density in the resulting laminate, but when the crosslinked resin molded body is heated, the polymer constituting the molded body forms a crosslinked structure earlier. Sufficient polymer fluidity cannot be obtained, and the followability of the crosslinkable resin molded body surface to other members is reduced.
- the polymer when a reactive fluidizing agent and a crosslinking aid are used in combination, the polymer can be expected to have a sustained plastic effect even after the plasticizing effect of the crosslinking aid disappears.
- the obtained laminate is preferable because the wiring embedding property, heat resistance, and crack resistance are improved in a very balanced manner.
- Reactive fluidizing agent monofunctional compound
- polyfunctional compound having two crosslinkable carbon-carbon unsaturated bonds bifunctional compound
- polyfunctional compound having three crosslinkable carbon-carbon unsaturated bonds It is preferable to use a combination of (trifunctional compounds).
- the mixing ratio of the reactive fluidizing agent and the crosslinking aid may be appropriately selected as desired.
- the weight ratio (reactive fluidizing agent / crosslinking aid) is usually 5/95 to 90/10, preferably Is in the range of 10/90 to 70/30, more preferably 15/85 to 70/30. If the blending ratio is within such a range, in the crosslinkable resin molded body, the fluidity of the surface at the time of heating is improved, and in the laminate, the wiring embedding property, heat resistance and crack resistance in the thermal shock test are improved. Each characteristic is balanced and suitable.
- the combination of the reactive fluidizing agent and the crosslinking aid suitable in the present invention includes at least one compound selected from the group consisting of benzyl methacrylate, adamantyl methacrylate and dicyclopentanyl methacrylate (above, reactive fluidization). Agent) and trimethylolpropane trimethacrylate (hereinafter referred to as a crosslinking aid).
- a crosslinking aid trimethylolpropane trimethacrylate
- the cycloolefin monomer is 100 weights.
- the amount is usually 0.2 to 200 parts by weight, preferably 1 to 100 parts by weight, and more preferably 2 to 60 parts by weight with respect to parts.
- the polymerizable composition used in the present invention contains the above-described cycloolefin monomer, polymerization catalyst, crosslinking agent, and reactive fluidizing agent as essential components, and optionally, in addition to a crosslinking aid, a filler, a polymerization agent.
- a regulator, a polymerization reaction retarder, a chain transfer agent, an anti-aging agent, and other compounding agents can be added.
- the polymerizable composition of the present invention has a low viscosity as compared with a polymer varnish obtained by dissolving an epoxy resin or the like in a solvent, which has been conventionally used in the production of prepregs and laminates. Can be blended. Therefore, in the obtained crosslinkable resin molded body or laminate, the filler may be contained exceeding the limit content of the conventional prepreg or laminate.
- an organic filler or an inorganic filler can be used, and may be appropriately selected as desired.
- an inorganic filler is usually preferably used.
- Such inorganic fillers can be classified, for example, into high dielectric fillers, low linear expansion fillers, and non-halogen flame retardants according to their characteristics.
- the inorganic fillers can be used alone or in combination of two or more.
- High dielectric fillers are inorganic fillers that are generally highly dielectric. By blending with the polymerizable composition of the present invention, the resulting laminate can have a low dielectric loss tangent and a large dielectric constant. For example, according to such a laminate, a circuit board with low loss and small device design can be obtained. Etc. are obtained and suitable.
- the high dielectric filler can be used without particular limitation as long as it is industrially used, but the relative dielectric constant measured particularly at 1 GHz at 20 ° C. is usually 5 or more, preferably 10 or more. More preferably, 15 or more are suitable.
- Such high dielectric fillers include, for example, zircon oxides such as calcium zirconate, strontium zirconate, lead zirconate, and zirconia; barium titanate, strontium titanate, calcium titanate, cobalt titanate, zinc titanate, and And titanium oxides such as titania;
- a low linear expansion filler is an inorganic filler having a generally low linear expansion coefficient.
- blending with the polymeric composition of this invention mechanical strength can improve in the laminated body obtained, a linear expansion coefficient can be reduced, and it is suitable.
- the linear expansion coefficient of the low linear expansion filler is usually about 15 ppm / ° C. or less.
- the linear expansion coefficient of the low linear expansion filler can be measured by a thermomechanical analyzer (TMA).
- TMA thermomechanical analyzer
- the low linear expansion filler can be used without particular limitation as long as it is industrially used.
- Inorganic oxides such as calcium carbonate, magnesium carbonate and sodium bicarbonate
- inorganic sulfates such as calcium sulfate
- talc clay, mica, kaolin, fly ash, montmorillonite
- Inorganic silicates such as calcium silicate, glass, and glass balloon; and the like, preferably silica.
- Non-halogen flame retardant consists of a flame retardant compound that does not contain halogen atoms. When blended with the polymerizable composition of the present invention, the flame retardancy of the resulting laminate can be improved, and there is no concern of dioxin generation when the laminate is burned, which is preferable. Any non-halogen flame retardant can be used without particular limitation as long as it is industrially used.
- metal hydroxide flame retardants such as aluminum hydroxide and magnesium hydroxide
- phosphinic acid salts such as aluminum dimethylphosphinate and aluminum diethylphosphinate
- metal oxide flame retardants such as magnesium oxide and aluminum oxide
- triphenyl phosphate Phosphorus-containing flame retardants other than phosphinates, such as tricresyl phosphate, trixylenyl phosphate, cresyl diphenyl phosphate, resorcinol bis (diphenyl) phosphate, bisphenol A bis (diphenyl) phosphate, and bisphenol A bis (dicresyl) phosphate
- Nitrogen-containing flame retardants such as melamine derivatives, guanidines, and isocyanurs; ammonium polyphosphate, melamine phosphate, melamine polyphosphate, melam polyphosphate, guanidine phosphate, and Flame retardants containing both phosphorus and nitrogen phosphazene, and the
- non-halogen flame retardant metal hydroxide flame retardants, phosphinates, and phosphorus-containing flame retardants other than phosphinates are preferable.
- phosphorus-containing flame retardant tricresyl phosphate, resorcinol bis (diphenyl) phosphate, bisphenol A bis (diphenyl) phosphate, and bisphenol A bis (dicresyl) phosphate are particularly preferable.
- the particle size (average particle size) of the filler used in the present invention may be appropriately selected as desired, but as an average value of the length in the longitudinal direction and the short direction when the particles are viewed three-dimensionally, Usually, it is in the range of 0.001 to 50 ⁇ m, preferably 0.01 to 10 ⁇ m, more preferably 0.1 to 5 ⁇ m.
- the compounding amount in the polymerizable composition of the present invention is usually 50 parts by weight or more, preferably 50 to 1,000 parts by weight, more preferably 50 to 750 parts by weight, based on 100 parts by weight of the cycloolefin monomer.
- the range is preferably from 100 to 500 parts by weight.
- the polymerization regulator is blended for the purpose of controlling the polymerization activity or improving the polymerization reaction rate.
- trialkoxyaluminum, triphenoxyaluminum, dialkoxyalkylaluminum, alkoxydialkylaluminum, trialkyl Examples include aluminum, dialkoxyaluminum chloride, alkoxyalkylaluminum chloride, dialkylaluminum chloride, trialkoxyscandium, tetraalkoxytitanium, tetraalkoxytin, and tetraalkoxyzirconium. These polymerization regulators can be used alone or in combination of two or more.
- the blending amount of the polymerization regulator is, for example, in a molar ratio (metal atom in the metathesis polymerization catalyst: polymerization regulator), usually 1: 0.05 to 1: 100, preferably 1: 0.2 to 1:20. More preferably, it is in the range of 1: 0.5 to 1:10.
- the polymerization reaction retarder can suppress an increase in viscosity of the polymerizable composition of the present invention. Therefore, a polymerizable composition obtained by blending a polymerization reaction retarder is preferable because, for example, when a prepreg is produced as a crosslinkable resin molded article, the fibrous reinforcing material can be easily impregnated uniformly.
- Polymerization retarders include phosphine compounds such as triphenylphosphine, tributylphosphine, trimethylphosphine, triethylphosphine, dicyclohexylphosphine, vinyldiphenylphosphine, allyldiphenylphosphine, triallylphosphine, and styryldiphenylphosphine; Lewis such as aniline and pyridine Base; etc. can be used. What is necessary is just to adjust the compounding quantity suitably as needed.
- phosphine compounds such as triphenylphosphine, tributylphosphine, trimethylphosphine, triethylphosphine, dicyclohexylphosphine, vinyldiphenylphosphine, allyldiphenylphosphine, triallylphosphine, and styryldiphenylphosphine
- Lewis such as aniline and pyridine Base
- the followability during heating and melting can be further improved on the surface of the crosslinkable resin molded body obtained by polymerizing the composition. Therefore, in a laminate obtained by laminating a crosslinkable resin molded body obtained by using a polymerizable composition containing a chain transfer agent, heating and melting, and crosslinking, a wiring embedding property and interlayer adhesion are obtained. The property is further enhanced, which is preferable.
- a crosslinkable resin molded body can be melt-laminated when laminated with other members.
- wiring embedding properties, heat resistance, and resistance to thermal shock are measured. The crack property is highly balanced, which is preferable.
- the “other member” refers to a member other than the crosslinkable resin molded product or the crosslinked resin molded product of the present invention.
- the chain transfer agent may have one or more crosslinkable carbon-carbon unsaturated bonds.
- Specific examples of the chain transfer agent include 1-hexene, 2-hexene, styrene, vinylcyclohexane, allylamine, glycidyl acrylate, allyl glycidyl ether, ethyl vinyl ether, methyl vinyl ketone, 2- (diethylamino) ethyl acrylate, and 4- Chain transfer agents without crosslinkable carbon-carbon unsaturated bonds, such as vinylaniline; divinylbenzene, vinyl methacrylate, allyl methacrylate, styryl methacrylate, allyl acrylate, undecenyl methacrylate, styryl acrylate, and ethylene Chain transfer agent having one crosslinkable carbon-carbon unsaturated bond, such as glycol diacrylate; Chain transfer agent having two or more crosslinkable carbon-carbon unsaturated bonds, such as allyltrivinylsi
- chain transfer agents having one vinyl group and one methacryl group are preferable, and vinyl methacrylate, allyl methacrylate, styryl methacrylate, and undecenyl methacrylate are particularly preferable. These chain transfer agents can be used alone or in combination of two or more.
- the amount of the chain transfer agent added to the polymerizable composition of the present invention is usually 0.01 to 10 parts by weight, preferably 0.1 to 5 parts by weight, per 100 parts by weight of the cycloolefin monomer.
- an anti-aging agent blending at least one anti-aging agent selected from the group consisting of a phenol-based anti-aging agent, an amine-based anti-aging agent, a phosphorus-based anti-aging agent and a sulfur-based anti-aging agent is a cross-linking. It is preferable because the heat resistance of the obtained laminate can be improved to a high degree without inhibiting the reaction. Among these, a phenolic antiaging agent and an amine antiaging agent are preferable, and a phenolic antiaging agent is more preferable. These anti-aging agents can be used alone or in combination of two or more.
- the amount of the anti-aging agent is appropriately selected as desired, but is usually 0.0001 to 10 parts by weight, preferably 0.001 to 5 parts by weight, and more preferably 0 to 100 parts by weight of the cycloolefin monomer. .01 to 2 parts by weight.
- the polymerizable composition of the present invention can contain other compounding agents.
- compounding agents colorants, light stabilizers, pigments, foaming agents, and the like can be used.
- colorant a dye or a pigment is used.
- dyes There are various kinds of dyes, and known ones may be appropriately selected and used.
- These other compounding agents can be used alone or in combination of two or more, and the amount used is appropriately selected within a range not impairing the effects of the present invention.
- the polymerizable composition of the present invention can be obtained by mixing the above components.
- a mixing method a conventional method may be followed.
- a liquid (catalyst liquid) in which a polymerization catalyst is dissolved or dispersed in an appropriate solvent is prepared, and other essential components such as a cycloolefin monomer and a crosslinking agent are optionally added.
- It can be prepared by preparing a liquid (monomer liquid) containing other compounding agents, adding the catalyst liquid to the monomer liquid, and stirring.
- the crosslinkable resin molded article of the present invention can be obtained by bulk polymerization of the polymerizable composition.
- a method for obtaining a crosslinkable resin molded body by bulk polymerization of the polymerizable composition include, for example, (a) a method in which a polymerizable composition is applied on a support and then bulk polymerization, and (b) a polymerizable composition. Are injected into a mold, and then bulk polymerization is performed, and (c) a fibrous reinforcing material is impregnated with a polymerizable composition and then bulk polymerization is performed.
- the polymerizable composition of the present invention has a low viscosity, the application in the method (a) can be carried out smoothly, and in the injection in the method (b), even if it is a space portion having a complicated shape, the foam bite is rapidly formed.
- the polymerizable composition can be spread without causing it, and in the method (c), the fibrous reinforcing material can be impregnated with the polymerizable composition quickly and uniformly.
- a crosslinkable resin molded product such as a film or plate
- the thickness of the molded body is usually 15 mm or less, preferably 5 mm or less, more preferably 0.5 mm or less, and most preferably 0.1 mm or less.
- the support include films and plates made of resins such as polytetrafluoroethylene, polyethylene terephthalate, polypropylene, polyethylene, polycarbonate, polyethylene naphthalate, polyarylate, and nylon; iron, stainless steel, copper, aluminum, nickel, chromium And films and plates made of metal materials such as gold, silver, and the like. Among these, use of a metal foil or a resin film is preferable.
- the thickness of the metal foil or resin film is usually 1 to 150 ⁇ m, preferably 2 to 100 ⁇ m, more preferably 3 to 75 ⁇ m from the viewpoint of workability and the like.
- the metal foil preferably has a smooth surface, and the surface roughness (Rz) is a value measured by an AFM (atomic force microscope) and is usually 10 ⁇ m or less, preferably 5 ⁇ m or less. Preferably it is 3 micrometers or less, More preferably, it is 2 micrometers or less. If the surface roughness of the metal foil is in the above range, it is preferable in the resulting high frequency circuit board that noise, delay, transmission loss, etc. in high frequency transmission can be suppressed.
- the surface of the metal foil is preferably treated with a known coupling agent or adhesive such as a silane coupling agent, a thiol coupling agent, and a titanate coupling agent.
- a resin-coated copper foil [Resin Coated Copper (RCC)] can be obtained.
- Examples of the method for applying the polymerizable composition of the present invention on the support include known coating methods such as spray coating, dip coating, roll coating, curtain coating, die coating, and slit coating. .
- the polymerizable composition coated on the support is optionally dried and then bulk polymerized. Bulk polymerization is performed by heating the polymerizable composition at a predetermined temperature.
- the method for heating the polymerizable composition is not particularly limited, and the polymerizable composition applied to the support is heated on a heating plate, and heated (hot press) while being pressed using a press. Examples thereof include a method, a method of pressing with a heated roller, and a method of heating in a heating furnace.
- a crosslinkable resin molded article having an arbitrary shape can be obtained.
- the shape include a sheet shape, a film shape, a column shape, a columnar shape, and a polygonal column shape.
- a conventionally known mold for example, a split mold structure, that is, a mold having a core mold and a cavity mold, can be used, and a polymerizable composition is formed in these voids (cavities). Is injected to cause bulk polymerization.
- the core mold and the cavity mold are produced so as to form a gap that matches the shape of the target molded product.
- the shape, material, size, etc. of the mold are not particularly limited.
- a plate-shaped mold such as a glass plate or a metal plate and a spacer having a predetermined thickness are prepared, and the polymerizable composition is injected into a space formed by sandwiching the spacer between two plate-shaped molds.
- the filling pressure (injection pressure) when filling the polymerizable composition into the mold cavity is usually 0.01 to 10 MPa, preferably 0.02 to 5 MPa. If the filling pressure is too low, the transfer surface formed on the inner peripheral surface of the cavity tends not to be transferred well. If the filling pressure is too high, the mold must be rigid and economical. is not.
- the mold clamping pressure is usually in the range of 0.01 to 10 MPa. Examples of the method for heating the polymerizable composition include a method using a heating means such as an electric heater and steam disposed in the mold, and a method for heating the mold in an electric furnace.
- the method of c) (c) is suitably used for obtaining a sheet-like or film-like crosslinkable resin molded article.
- the thickness of the obtained molded body is usually in the range of 0.001 to 10 mm, preferably 0.005 to 1 mm, more preferably 0.01 to 0.5 mm. If it exists in this range, the shaping property at the time of lamination
- the impregnation of the polymerizable composition into the fibrous reinforcing material is performed by using a predetermined amount of the polymerizable composition such as a spray coating method, a dip coating method, a roll coating method, a curtain coating method, a die coating method, and a slit coating method. It can apply by apply
- the impregnated material is heated to a predetermined temperature to cause the polymerizable composition to undergo bulk polymerization to obtain a desired crosslinkable resin molded article.
- the content of the fibrous reinforcing material in the crosslinkable resin molded body is usually in the range of 10 to 90% by weight, preferably 20 to 80% by weight, more preferably 30 to 70% by weight. Within this range, the dielectric properties and mechanical strength of the resulting laminate are balanced, which is preferable.
- inorganic and / or organic fibers can be used, for example, PET (polyethylene terephthalate) fibers, aramid fibers, ultra-high molecular polyethylene fibers, polyamide (nylon) fibers, and liquid crystal polyester fibers.
- Organic fibers; inorganic fibers such as glass fibers, carbon fibers, alumina fibers, tungsten fibers, molybdenum fibers, budene fibers, titanium fibers, steel fibers, boron fibers, silicon carbide fibers, and silica fibers;
- organic fibers and glass fibers are preferable, and aramid fibers, liquid crystal polyester fibers, and glass fibers are particularly preferable.
- fibers such as E glass, NE glass, S glass, D glass, and H glass can be suitably used. These can be used individually by 1 type or in combination of 2 or more types.
- the shape of the fibrous reinforcing material is not particularly limited, and examples thereof include mats, cloths, and nonwoven fabrics.
- Examples of the heating method of the impregnated product obtained by impregnating the fibrous reinforcing material with the polymerizable composition include, for example, a method in which the impregnated product is placed on a support and heated as in the method (a) above, Examples thereof include a method in which a fibrous reinforcing material is placed in the mold, an impregnated product is obtained by impregnating the polymerizable composition in the mold, and heating is performed as in the method (b).
- the heating temperature for polymerizing the polymerizable composition is usually 30 to 250 ° C., preferably 50 to 200 ° C., more preferably 90 In the range of ⁇ 150 ° C. and less than 1 minute half-life temperature of the crosslinking agent, usually radical generator, preferably less than 10 ° C. of 1 minute half-life temperature, more preferably less than 20 ° C. of 1 minute half-life temperature It is.
- the polymerization time may be appropriately selected, but is usually 1 second to 20 minutes, preferably 10 seconds to 5 minutes. Heating the polymerizable composition under such conditions is preferable because a crosslinkable resin molded article with less unreacted monomer can be obtained.
- the polymer constituting the crosslinkable resin molded body obtained as described above has substantially no crosslink structure and is soluble in, for example, toluene.
- the molecular weight of the polymer is a polystyrene-equivalent weight average molecular weight measured by gel permeation chromatography (eluent: tetrahydrofuran), and is usually 1,000 to 1,000,000, preferably 5,000 to It is in the range of 500,000, more preferably 10,000 to 100,000.
- the crosslinkable resin molded product of the present invention is a post-crosslinkable resin molded product, but a part of the constituent resin may be crosslinked.
- a part of the constituent resin may be crosslinked.
- the temperature of a part of the mold may become too high because the polymerization reaction heat hardly diffuses in the central part of the mold. In the high temperature part, a cross-linking reaction occurs, and cross-linking may occur.
- the surface part that easily dissipates heat is formed of a crosslinkable resin that can be postcrosslinked, the crosslinkable resin molded article of the present invention can sufficiently exhibit the desired effect.
- the crosslinkable resin molded article of the present invention is obtained by completing bulk polymerization, and there is no fear that the polymerization reaction further proceeds during storage.
- the crosslinkable resin molded article of the present invention contains a crosslinking agent such as a radical generator, but does not cause a problem such as a change in surface hardness unless it is heated to a temperature at which a crosslinking reaction is caused or not. Excellent stability.
- the crosslinkable resin molded article of the present invention is suitably used for the production of the crosslinked resin molded article and laminate of the present invention, for example, as a prepreg.
- the crosslinked resin molded product of the present invention is obtained by bulk polymerization of the polymerizable composition of the present invention and crosslinking.
- a crosslinked resin molded body can be obtained, for example, by crosslinking the crosslinkable resin molded body.
- Crosslinking of the crosslinkable resin molded body can be performed by maintaining the molded body at a temperature higher than the temperature at which a crosslinking reaction occurs in the polymer constituting the molded body.
- the heating temperature is usually equal to or higher than the temperature at which a crosslinking reaction is induced by the crosslinking agent.
- a radical generator is used as a crosslinking agent, it is usually at least 1 minute half-life temperature, preferably at least 5 ° C.
- above 1-minute half-life temperature more preferably at least 10 ° C. above 1-minute half-life temperature. It is. Typically, it is in the range of 100 to 300 ° C, preferably 150 to 250 ° C.
- the heating time is in the range of 0.1 to 180 minutes, preferably 0.5 to 120 minutes, more preferably 1 to 60 minutes.
- the polymerizable composition of the present invention at a temperature equal to or higher than the temperature at which the crosslinkable resin molded article is crosslinked, specifically, by heating at the temperature and time described herein, the cycloolefin monomer
- the crosslinked resin molded article of the present invention by proceeding together with the bulk polymerization of the polymer and the crosslinking reaction in the cycloolefin polymer produced by the polymerization.
- a copper clad laminate Copper Clad Laminates (CCL)
- CCL Copper Clad Laminates
- the laminate of the present invention is formed by laminating at least the crosslinkable resin molded product or the crosslinked resin molded product. Both molded bodies may be continuously laminated or indirectly laminated with another layer interposed therebetween.
- a laminated body formed by laminating the crosslinkable resin molded body of the present invention for example, RCC obtained by integrating the copper foil and the crosslinkable resin molded body in a layered manner obtained by the method (a) can be mentioned. .
- a laminated body formed by laminating the cross-linked resin molded body of the present invention for example, CCL obtained by integrating the copper foil and the cross-linked resin molded body in a layered manner is obtained according to the method (a). Can be mentioned.
- a laminate of the crosslinkable resin molded body and the crosslinked resin molded body can be obtained.
- the crosslinkable resin molded body is in the form of a sheet or film
- the molded body and, optionally, the sheet-shaped or film-shaped crosslinked resin molded body is arbitrarily laminated, or further, for example, the metal foil
- the laminate of the present invention is obtained by laminating and cross-linking by hot pressing to form a crosslinked resin molded body. In that case, you may laminate
- the pressure at the time of hot pressing is usually 0.5 to 20 MPa, preferably 3 to 10 MPa.
- the hot pressing may be performed in a vacuum or a reduced pressure atmosphere.
- the hot pressing can be performed using a known press having a press frame mold for flat plate forming, a press molding machine such as a sheet mold compound (SMC) or a bulk mold compound (BMC).
- SMC sheet mold compound
- BMC bulk mold compound
- the laminate of the present invention has excellent electrical characteristics unique to cycloolefin polymers, such as low dielectric constant and low dielectric loss tangent, has low transmission loss in a high frequency region, and has wiring embedding properties, heat resistance, And since it is excellent in crack resistance in a thermal shock test, it can be suitably used as a high-frequency substrate material having a wide range of uses.
- the laminate was arbitrarily cut at three points in a direction perpendicular to the wiring direction.
- the cut surface of the obtained laminate was visually observed, and the wiring embeddability into the resin layer on the circuit board was evaluated according to the following criteria. In addition, if it is evaluation of (circle) and (double-circle), a laminated body will function without a problem as a high frequency board material.
- ⁇ A portion of the wiring is not embedded.
- X The wiring is not embedded.
- (3) Heat resistance The laminate was cut into 20 mm squares to obtain test pieces. The test piece was allowed to flow on a solder bath at 260 ° C. for 20 seconds.
- Example 1 A catalyst solution was prepared by dissolving 51 parts of benzylidene (1,3-dimesityl-4-imidazolidin-2-ylidene) (tricyclohexylphosphine) ruthenium dichloride and 79 parts of triphenylphosphine in 952 parts of toluene.
- TCD tetracyclododecene
- styrene as a chain transfer agent
- 3,3,5,7,7-pentamethyl-1,2,4- as a crosslinking agent
- 33,5,7,7-pentamethyl-1,2,4- as a crosslinking agent
- benzyl methacrylate as a reactive fluidizing agent
- 20 parts of trimethylolpropane trimethacrylate as a crosslinking aid
- 50 parts of aluminum dimethylphosphinate as a flame retardant as a high dielectric filler
- a monomer liquid was prepared by mixing 100 parts of calcium titanate and 1 part of 3,5-di-t-butyl-4-hydroxyanisole as a phenolic antioxidant.
- the said catalyst liquid was added here in the ratio of 0.12mL per 100g of cycloolefin monomers, and it stirred, and prepared the polymeric composition.
- the obtained polymerizable composition was impregnated into glass cloth (E glass), and this was subjected to a polymerization reaction at 120 ° C. for 5 minutes to obtain a prepreg (crosslinkable resin molded article) having a thickness of 0.15 mm. It was. The glass cloth content of the prepreg was 40%.
- Example 2 A prepreg and a laminate were obtained in the same manner as in Example 1 except that the cycloolefin monomer was changed to 80 parts of TCD and 20 parts of dicyclopentadiene, and each characteristic was evaluated. The results are shown in Table 1.
- Example 3 A prepreg and a laminate were obtained in the same manner as in Example 1 except that the chain transfer agent was changed to allyl methacrylate, and each characteristic was evaluated. The results are shown in Table 1.
- Example 4 A prepreg and a laminate were obtained in the same manner as in Example 1 except that the cycloolefin monomer was changed to 80 parts of TCD and 20 parts of dicyclopentadiene and the chain transfer agent was changed to allyl methacrylate, and each characteristic was evaluated. The results are shown in Table 1.
- Example 5 A prepreg and a laminate were obtained in the same manner as in Example 1 except that the amount of benzyl methacrylate was changed to 10 parts and the amount of trimethylolpropane trimethacrylate was changed to 10 parts, and each characteristic was evaluated. The results are shown in Table 1.
- Example 6 A prepreg and a laminate were obtained in the same manner as in Example 1 except that the reactive fluidizing agent was changed to adamantyl methacrylate, and each characteristic was evaluated. The results are shown in Table 1.
- Example 7 A prepreg and a laminate were obtained in the same manner as in Example 1 except that the reactive fluidizing agent was changed to dicyclopentanyl methacrylate, and each characteristic was evaluated. The results are shown in Table 1.
- Comparative Example 1 A prepreg and a laminate were obtained in the same manner as in Example 1 except that the reactive fluidizing agent and the crosslinking aid were not used, and each characteristic was evaluated. The results are shown in Table 1.
- Comparative Example 2 A prepreg and a laminate were obtained in the same manner as in Example 1 except that no reactive fluidizing agent was used, and each characteristic was evaluated. The results are shown in Table 1.
- the laminates obtained in Examples 1 to 7 generally exhibit low dielectric loss tangent, excellent wiring embedding property, heat resistance and crack resistance.
- the laminate of Comparative Example 1 obtained using a polymerizable composition in which a reactive fluidizing agent and a crosslinking aid were not blended was inferior in wiring embedding property, heat resistance and crack resistance, and reactive flow.
- the laminate of Comparative Example 2 obtained using the polymerizable composition not containing the agent is inferior in wiring embedding property and crack resistance.
- Example 8 A prepreg and a laminate were obtained in the same manner as in Example 1 except that the chain transfer agent was changed to 1.74 parts of divinylbenzene and no crosslinking aid was used, and each characteristic was evaluated. The results are shown in Table 2.
- Example 9 A prepreg and a laminate were obtained in the same manner as in Example 8 except that the cycloolefin monomer was changed to 80 parts of TCD and 20 parts of dicyclopentadiene, and each characteristic was evaluated. The results are shown in Table 2.
- Example 10 A prepreg and a laminate were obtained in the same manner as in Example 8 except that the chain transfer agent was changed to allyl methacrylate, and each characteristic was evaluated. The results are shown in Table 2.
- Example 11 A prepreg and a laminate were obtained in the same manner as in Example 8 except that the cycloolefin monomer was changed to 80 parts of TCD and 20 parts of dicyclopentadiene and the chain transfer agent was changed to allyl methacrylate, and each characteristic was evaluated. The results are shown in Table 2.
- Example 12 A prepreg and a laminate were obtained in the same manner as in Example 8 except that the amount of benzyl methacrylate was changed to 10 parts, and each characteristic was evaluated. The results are shown in Table 2.
- Example 13 A prepreg and a laminate were obtained in the same manner as in Example 8 except that the reactive fluidizing agent was changed to adamantyl methacrylate, and each characteristic was evaluated. The results are shown in Table 2.
- Example 14 A prepreg and a laminate were obtained in the same manner as in Example 8 except that the reactive fluidizing agent was changed to dicyclopentanyl methacrylate, and each characteristic was evaluated. The results are shown in Table 2.
- Comparative Example 3 A prepreg and a laminate were obtained in the same manner as in Example 7 except that benzyl methacrylate was not used, and each characteristic was evaluated. The results are shown in Table 2.
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Abstract
Description
本発明の目的は、高周波領域での誘電正接が極めて小さく、配線埋め込み性、耐熱性、及び冷熱衝撃試験での耐クラック性に優れた積層体の製造に有用な、重合性組成物、架橋性樹脂成形体及び架橋樹脂成形体、並びに、それらを用いて得られる積層体を提供することにある。
〔1〕シクロオレフィンモノマー、重合触媒、架橋剤、及び反応性流動化剤を含有してなる重合性組成物、
〔2〕反応性流動化剤が、重合性の炭素-炭素不飽和結合を持たず、かつ架橋性の炭素-炭素不飽和結合を1つ有する単官能化合物である前記〔1〕記載の重合性組成物、
〔3〕反応性流動化剤が、環状炭化水素基含有メタクリレート化合物である前記〔1〕又は〔2〕記載の重合性組成物、
〔4〕架橋助剤をさらに含有してなる前記〔1〕~〔3〕いずれか記載の重合性組成物、
〔5〕反応性流動化剤と架橋助剤との配合割合が、重量比(反応性流動化剤/架橋助剤)で15/85~70/30の範囲である前記〔4〕記載の重合性組成物、
〔6〕反応性流動化剤がベンジルメタクリレート、アダマンチルメタクリレート及びジシクロペンタニルメタクリレートからなる群から選ばれる少なくとも1つの化合物であり、架橋助剤がトリメチロールプロパントリメタクリレートである前記〔4〕又は〔5〕記載の重合性組成物、
〔7〕シクロオレフィンモノマーが、架橋性の炭素-炭素不飽和結合を1以上有するシクロオレフィンモノマーを含むものである前記〔1〕~〔6〕いずれか記載の重合性組成物、
〔8〕充填剤をさらに含んでなる前記〔1〕~〔7〕いずれか記載の重合性組成物、
〔9〕充填剤の配合量が、シクロオレフィンモノマー100重量部に対して50重量部以上である前記〔8〕記載の重合性組成物、
〔10〕連鎖移動剤をさらに含んでなる前記〔1〕~〔9〕いずれか記載の重合性組成物、
〔11〕前記〔1〕~〔10〕いずれかに記載の重合性組成物を塊状重合してなる架橋性樹脂成形体、
〔12〕前記〔1〕~〔10〕いずれかに記載の重合性組成物を塊状重合し、架橋してなる架橋樹脂成形体、並びに
〔13〕少なくとも、前記〔11〕に記載の架橋性樹脂成形体、又は前記〔12〕に記載の架橋樹脂成形体を積層してなる積層体、
が提供される。
本発明に使用されるシクロオレフィンモノマーは、炭素原子で形成される脂環構造を有し、かつ該脂環構造中に重合性の炭素-炭素二重結合を1つ有する化合物である。本明細書において「重合性の炭素-炭素二重結合」とは、連鎖重合(開環重合)可能な炭素-炭素二重結合をいう。開環重合には、イオン重合、ラジカル重合、及びメタセシス重合など、種々の形態のものが存在するが、本発明においては、通常、メタセシス開環重合をいう。
シクロオレフィンモノマーは、アルキル基、アルケニル基、アルキリデン基、及びアリール基などの、炭素数1~30の炭化水素基や、カルボキシル基又は酸無水物基などの極性基を置換基として有していてもよいが、得られる積層体を低誘電正接とする観点から、極性基を持たない、すなわち、炭素原子と水素原子のみで構成されるものが好ましい。
これらのシクロオレフィンモノマーは、それぞれ単独で、あるいは2種以上を組み合わせて用いることができる。
本発明の重合性組成物に配合するシクロオレフィンモノマー中、架橋性の炭素-炭素不飽和結合を1以上有するシクロオレフィンモノマーと架橋性の炭素-炭素不飽和結合を持たないシクロオレフィンモノマーとの配合割合は所望により適宜選択すればよいが、重量比(架橋性の炭素-炭素不飽和結合を1以上有するシクロオレフィンモノマー/架橋性の炭素-炭素不飽和結合を持たないシクロオレフィンモノマー)で、通常、5/95~100/0、好ましくは10/90~90/10、より好ましくは15/85~70/30の範囲である。当該配合割合がかかる範囲にあれば、得られる積層体において、耐熱性、及び冷熱衝撃試験での耐クラック性等の特性を高度に向上させることができ、好適である。
本発明に使用される重合触媒としては、前記シクロオレフィンモノマーを重合できるものであれば特に限定はないが、本発明の重合性組成物は、後述の架橋性樹脂成形体の製造において、直接塊状重合に供して用いるのが好適であり、通常、メタセシス重合触媒を用いるのが好ましい。
本発明で使用される架橋剤は、本発明の重合性組成物を重合反応に供して得られる重合体(シクロオレフィンポリマー)において架橋反応を誘起する目的で使用される。従って、該重合体は、後架橋可能な熱可塑性樹脂となる。ここで「後架橋可能な」とは、該樹脂を加熱することにより架橋反応を進行させて架橋樹脂になし得ることを意味する。前記重合体をマトリックス樹脂とする本発明の架橋性樹脂成形体は、加熱により溶融し、高粘度であるため、その形状は保持する一方、任意の部材を接触させた場合、その表面では、該部材の形状に対し追従性を発揮し、最終的に架橋して硬化する。本発明の架橋性樹脂成形体のかかる特性は、本発明の架橋性樹脂成形体を積層し、加熱して溶融、架橋して得られる積層体において配線埋め込み性及び層間密着性の向上に寄与するものと考えられる。
前記の通り、本発明の重合性組成物を重合反応に供して得られる重合体は、後架橋可能な熱可塑性樹脂となる。本発明において「反応性流動化剤」とは、かかる重合体中において、実質的に遊離の状態で存在しており、流動化剤として重合体のガラス転移温度(Tg)を低下させて加熱溶融時の重合体の流動性を高め、当該重合体をマトリックス樹脂とする本発明の架橋性樹脂成形体を加熱溶融させた際、該成形体表面の、当該表面に接触させる任意の部材の形状に対する追従性を向上させる一方、架橋剤により架橋反応が誘起された後においては当該反応に関与して重合体への結合反応性を示す単官能化合物をいう。
炭素数3~30の飽和脂環式基としては、例えば、シクロブチル基、シクロペンチル基、シクロヘキシル基、及びシクロオクチル基などの単環式基;ビシクロヘキシル基などの二環式基;トリシクロ[5,2,1,02,6]デカニル基(ジシクロペンタニル基ともいう。)などの三環式基;アダマンチル基などの四環式基;などが挙げられる。飽和脂環式基としては、得られる架橋樹脂成形体や積層体の耐熱性を向上させる観点から、三環式基又は四環式基が好ましく、トリシクロ[5,2,1,02,6]デカニル基又はアダマンチル基がより好ましく、トリシクロ[5,2,1,02,6]デカニル基が特に好ましい。
炭素数6~30の芳香族基としては、例えば、フェニル基などの単環式基;ナフチル基やビフェニル基などの二環式基;フルオレニル基などの三環式基;などが挙げられる。芳香族基としては、飽和脂環式基と同様の観点から、単環式基が好ましく、フェニル基がより好ましい。
前記飽和脂環式基及び芳香族基の置換基としては、炭素数3~11のアルキル基や炭素数3~11のアルコキシ基、カルボキシル基や酸無水物基などの極性基などが挙げられる。
nとしては、好ましくは0~5、特に好ましくは1である。
以上の反応性流動化剤は、それぞれ単独で、あるいは2種以上を組み合わせて用いることができる。反応性流動化剤の配合量は、所望により適宜選択すればよいが、シクロオレフィンモノマー100重量部に対し、通常、0.1~100重量部、好ましくは0.5~50重量部、より好ましくは1~30重量部である。
本発明に使用される架橋助剤としては、開環重合には関与せず、架橋剤により誘起される架橋反応に関与可能な架橋性の炭素-炭素不飽和結合を2以上有する多官能化合物が好ましい。かかる架橋性の炭素-炭素不飽和結合は、架橋助剤を構成する化合物中、例えば、分子末端に存在するビニリデン基として、特に、イソプロペニル基やメタクリル基として存在するのが好ましく、メタクリル基として存在するのがより好ましい。
反応性流動化剤と架橋助剤との配合割合は、所望により適宜選択すればよいが、重量比(反応性流動化剤/架橋助剤)で、通常、5/95~90/10、好ましくは10/90~70/30、より好ましくは15/85~70/30の範囲である。配合割合がかかる範囲にあれば、架橋性樹脂成形体においては、加熱時の表面の流動性が向上し、また、積層体においては配線埋め込み性、耐熱性及び冷熱衝撃試験での耐クラック性の各特性がバランスされ、好適である。
本発明に使用される重合性組成物には、上記する、シクロオレフィンモノマー、重合触媒、架橋剤、及び反応性流動化剤を必須成分として、所望により、架橋助剤の他、充填剤、重合調整剤、重合反応遅延剤、連鎖移動剤、老化防止剤、及びその他の配合剤を添加することができる。
高誘電フィラーとしては、工業的に使用されるものであれば格別な限定なく用いることができるが、特に1GHzにて20℃で測定される比誘電率が、通常、5以上、好ましくは10以上、より好ましくは15以上のものが好適である。かかる高誘電フィラーとしては、例えば、ジルコン酸カルシウム、ジルコン酸ストロンチウム、ジルコン酸鉛、及びジルコニアなどのジルコン酸化物;チタン酸バリウム、チタン酸ストロンチウム、チタン酸カルシウム、チタン酸コバルト、チタン酸亜鉛、及びチタニアなどのチタン酸化物;などを挙げることができる。
低線膨張フィラーの線膨張係数としては、通常、15ppm/℃以下程度である。低線膨張フィラーの線膨張係数は、熱機械分析装置(TMA)により測定することができる。かかる低線膨張フィラーとしては、工業的に用いられるものであれば格別な限定なく用いることができるが、例えば、シリカ、シリカバルーン、アルミナ、酸化鉄、酸化亜鉛、酸化マグネシウム、酸化すず、酸化ベリリウム、バリウムフェライト、及びストロンチウムフェライト等の無機酸化物;炭酸カルシウム、炭酸マグネシウム、及び炭酸水素ナトリウム等の無機炭酸塩;硫酸カルシウム等の無機硫酸塩;タルク、クレー、マイカ、カオリン、フライアッシュ、モンモリロナイト、ケイ酸カルシウム、ガラス、及びガラスバルーン等の無機ケイ酸塩;などが挙げられ、好ましくはシリカである。
これらの連鎖移動剤は、それぞれ単独で、あるいは2種以上を組み合わせて用いることができる。本発明の重合性組成物への連鎖移動剤の配合量としては、シクロオレフィンモノマー100重量部に対して、通常、0.01~10重量部、好ましくは0.1~5重量部である。
本発明の架橋性樹脂成形体は、前記重合性組成物を塊状重合することにより得られる。重合性組成物を塊状重合して架橋性樹脂成形体を得る方法としては、例えば、(a)重合性組成物を支持体上に塗布し、次いで塊状重合する方法、(b)重合性組成物を成形型内に注入し、次いで塊状重合する方法、(c)重合性組成物を繊維状強化材に含浸させ、次いで塊状重合する方法などが挙げられる。
本発明の架橋性樹脂成形体は、例えば、プリプレグとして、本発明の架橋樹脂成形体及び積層体の製造に好適に用いられる。
本発明の架橋樹脂成形体は、本発明の重合性組成物を塊状重合し、架橋してなるものである。かかる架橋樹脂成形体は、例えば、前記架橋性樹脂成形体を架橋することにより得られる。架橋性樹脂成形体の架橋は、該成形体を、該成形体を構成する重合体において架橋反応が生ずる温度以上に維持することによって行うことができる。加熱温度は、通常、架橋剤により架橋反応が誘起される温度以上である。例えば、架橋剤としてラジカル発生剤を使用する場合、通常、1分間半減期温度以上、好ましくは1分間半減期温度より5℃以上高い温度、より好ましくは1分間半減期温度より10℃以上高い温度である。典型的には、100~300℃、好ましくは150~250℃の範囲である。加熱時間は、0.1~180分間、好ましくは0.5~120分間、より好ましくは1~60分間の範囲である。また、本発明の重合性組成物を、前記架橋性樹脂成形体が架橋する温度以上に維持することにより、具体的には、ここに記載する、温度及び時間で加熱することにより、シクロオレフィンモノマーの塊状重合と、当該重合により生ずるシクロオレフィンポリマーにおける架橋反応とを共に進行させて、本発明の架橋樹脂成形体を製造することも可能である。このようにして架橋樹脂成形体を製造する場合、前記(a)の方法に準じ、例えば、支持体として銅箔を用いれば、銅張積層板〔Copper Clad Laminates (CCL)〕を得ることができる。
本発明の積層体は、少なくとも、前記架橋性樹脂成形体、又は前記架橋樹脂成形体を積層してなるものである。両成形体はそれぞれ、連続的に積層されていても、他の層を挟んで間接的に積層されていてもよい。
本発明の架橋性樹脂成形体を積層してなる積層体としては、例えば、前記(a)の方法で得られる、銅箔と架橋性樹脂成形体とが層状に一体化してなるRCCが挙げられる。また、本発明の架橋樹脂成形体を積層してなる積層体としては、例えば、前記(a)の方法に準じて得られる、銅箔と架橋樹脂成形体とが層状に一体化してなるCCLが挙げられる。前記(a)の方法において、支持体として、別途得られた架橋樹脂成形体を用いれば、架橋性樹脂成形体と架橋樹脂成形体との積層体を得ることもできる。
また、架橋性樹脂成形体がシート状又はフィルム状である場合、該成形体、及び所望により、シート状又はフィルム状の架橋樹脂成形体を、任意に積層し、又はさらに、例えば、前記金属箔を積層し、熱プレスして架橋することにより、架橋樹脂成形体を積層してなる、本発明の積層体が得られる。その際、前記RCCやCCLなどの積層体を積層してもよい。熱プレスするときの圧力は、通常、0.5~20MPa、好ましくは3~10MPaである。熱プレスは、真空又は減圧雰囲気下で行ってもよい。熱プレスは、平板成形用のプレス枠型を有する公知のプレス機、シートモールドコンパウンド(SMC)やバルクモールドコンパウンド(BMC)などのプレス成形機を用いて行なうことができる。
(1)誘電正接
インピーダンスアナライザー(アジレントテクノロジー社製、型番E4991A)を用いて20℃で周波数1GHzにおける誘電正接(tanδ)を容量法にて測定し、以下の基準で評価した。
◎:0.003以下
○:0.003超、0.008以下
×:0.008超
(2)配線埋め込み性
プリプレグシートを回路基板(L/S=30μmの配線を15本配置した試験基板)上に重ね、200℃で10分間、3MPaにて加熱プレスを行い積層体を得た。該積層体を、配線方向に対し垂直な方向で任意に3箇所で切断した。得られた積層体の切断面を目視により観察し、回路基板上の樹脂層への配線埋め込み性について以下の基準で評価した。なお、○及び◎の評価であれば、積層体は高周波基板材料として問題なく機能する。
◎:配線が埋め込まれていない部分がない
○:配線が一部埋め込まれていない
×:配線が埋め込まれていない
(3)耐熱性
積層体を20mm角に切断し、試験片を得た。該試験片を260℃の半田浴上に20秒間フローさせた。かかる操作を別々の試験片を用いて3回繰り返し(n=3)、それぞれの試験片表面の膨れを目視により観察し、以下の基準で評価した。
◎:n=3で膨れなし
○:n=2で膨れなし
×:n=2以上で膨れ発生
(4)耐クラック性
積層体サンプルについて、-65℃~+150℃の温度範囲で所定回数の冷熱衝撃試験を行った後の外観観察を行い、以下の基準に従って評価した。なお、冷熱衝撃試験は、冷熱衝撃試験装置(エスペック社製、型番TSA-71H-W)により行った。
◎:500サイクル終了後のサンプルで、クラックの発生が確認されない
○:300サイクル終了後のサンプルで、クラックの発生が確認されない
×:300サイクル終了後のサンプルで、クラックの発生が確認される
ベンジリデン(1,3-ジメシチル-4-イミダゾリジン-2-イリデン)(トリシクロヘキシルホスフィン)ルテニウムジクロリド 51部と、トリフェニルホスフィン 79部とを、トルエン 952部に溶解させて触媒液を調製した。これとは別に、シクロオレフィンモノマーとしてテトラシクロドデセン(TCD)100部、連鎖移動剤としてスチレン 0.74部、架橋剤として3,3,5,7,7-ペンタメチル-1,2,4-トリオキセパン(1分間半減期温度205℃)2部、反応性流動化剤としてベンジルメタクリレート 15部、架橋助剤としてトリメチロールプロパントリメタクリレート 20部、難燃剤としてジメチルホスフィン酸アルミニウム 50部、高誘電フィラーとしてチタン酸カルシウム 100部、フェノール系老化防止剤として3,5-ジ-t-ブチル-4-ヒドロキシアニソール 1部を混合してモノマー液を調製した。ここに上記触媒液をシクロオレフィンモノマー100gあたり0.12mLの割合で加えて撹拌し、重合性組成物を調製した。
次に、作製したプリプレグシート6枚を重ね、さらに厚さ12μmのF2銅箔(シランカップリング剤処理電解銅箔、粗度Rz=1,600nm、古河サーキットホイル社製)で、積層したプリプレグシートを挟み、205℃で20分間、3MPaにて加熱プレスを行い、架橋樹脂成形体が積層された積層体を得た。得られた積層体の誘電正接、耐熱性、及び耐クラック性を評価した。一方、配線埋め込み性の評価は、前記(2)配線埋め込み性に記載した方法により別途積層体を得、それを用いて評価した。それらの結果を表1に示す。
シクロオレフィンモノマーをTCD 80部とジシクロペンタジエン 20部に変える以外は実施例1と同様にしてプリプレグ及び積層体を得、各特性を評価した。その結果を表1に示す。
連鎖移動剤をアリルメタクリレートに変える以外は実施例1と同様にしてプリプレグ及び積層体を得、各特性を評価した。その結果を表1に示す。
シクロオレフィンモノマーをTCD 80部とジシクロペンタジエン 20部に変え、かつ連鎖移動剤をアリルメタクリレートに変える以外は実施例1と同様にしてプリプレグ及び積層体を得、各特性を評価した。その結果を表1に示す。
ベンジルメタクリレートの配合量を10部に、トリメチロールプロパントリメタクリレートの配合量を10部に、それぞれ変える以外は実施例1と同様にしてプリプレグ及び積層体を得、各特性を評価した。その結果を表1に示す。
反応性流動化剤をアダマンチルメタクリレートに変える以外は実施例1と同様にしてプリプレグ及び積層体を得、各特性を評価した。その結果を表1に示す。
反応性流動化剤をジシクロペンタニルメタクリレートに変える以外は実施例1と同様にしてプリプレグ及び積層体を得、各特性を評価した。その結果を表1に示す。
反応性流動化剤と架橋助剤とを用いない以外は実施例1と同様にしてプリプレグ及び積層体を得、各特性を評価した。その結果を表1に示す。
反応性流動化剤を用いない以外は実施例1と同様にしてプリプレグ及び積層体を得、各特性を評価した。その結果を表1に示す。
連鎖移動剤をジビニルベンゼン 1.74部に変え、架橋助剤を使用しなかったこと以外は実施例1と同様にしてプリプレグ及び積層体を得、各特性を評価した。その結果を表2に示す。
シクロオレフィンモノマーをTCD 80部とジシクロペンタジエン 20部に変える以外は実施例8と同様にしてプリプレグ及び積層体を得、各特性を評価した。その結果を表2に示す。
連鎖移動剤をアリルメタクリレートに変える以外は実施例8と同様にしてプリプレグ及び積層体を得、各特性を評価した。その結果を表2に示す。
シクロオレフィンモノマーをTCD 80部とジシクロペンタジエン 20部に変え、かつ連鎖移動剤をアリルメタクリレートに変える以外は実施例8と同様にしてプリプレグ及び積層体を得、各特性を評価した。その結果を表2に示す。
ベンジルメタクリレートの配合量を10部に変える以外は実施例8と同様にしてプリプレグ及び積層体を得、各特性を評価した。その結果を表2に示す。
反応性流動化剤をアダマンチルメタクリレートに変える以外は実施例8と同様にしてプリプレグ及び積層体を得、各特性を評価した。その結果を表2に示す。
反応性流動化剤をジシクロペンタニルメタクリレートに変える以外は実施例8と同様にしてプリプレグ及び積層体を得、各特性を評価した。その結果を表2に示す。
ベンジルメタクリレートを用いない以外は実施例7と同様にしてプリプレグ及び積層体を得、各特性を評価した。その結果を表2に示す。
Claims (13)
- シクロオレフィンモノマー、重合触媒、架橋剤、及び反応性流動化剤を含有してなる重合性組成物。
- 反応性流動化剤が、重合性の炭素-炭素不飽和結合を持たず、かつ架橋性の炭素-炭素不飽和結合を1つ有する単官能化合物である請求項1記載の重合性組成物。
- 反応性流動化剤が、環状炭化水素基含有メタクリレート化合物である請求項1又は2記載の重合性組成物。
- 架橋助剤をさらに含有してなる請求項1~3いずれか記載の重合性組成物。
- 反応性流動化剤と架橋助剤との配合割合が、重量比(反応性流動化剤/架橋助剤)で15/85~70/30の範囲である請求項4記載の重合性組成物。
- 反応性流動化剤がベンジルメタクリレート、アダマンチルメタクリレート及びジシクロペンタニルメタクリレートからなる群から選ばれる少なくとも1つの化合物であり、架橋助剤がトリメチロールプロパントリメタクリレートである請求項4又は5記載の重合性組成物。
- シクロオレフィンモノマーが、架橋性の炭素-炭素不飽和結合を1以上有するシクロオレフィンモノマーを含むものである請求項1~6いずれか記載の重合性組成物。
- 充填剤をさらに含んでなる請求項1~7いずれか記載の重合性組成物。
- 充填剤の配合量が、シクロオレフィンモノマー100重量部に対して50重量部以上である請求項8記載の重合性組成物。
- 連鎖移動剤をさらに含んでなる請求項1~9いずれか記載の重合性組成物。
- 請求項1~10いずれかに記載の重合性組成物を塊状重合してなる架橋性樹脂成形体。
- 請求項1~10いずれかに記載の重合性組成物を塊状重合し、架橋してなる架橋樹脂成形体。
- 少なくとも、請求項11に記載の架橋性樹脂成形体、又は請求項12に記載の架橋樹脂成形体を積層してなる積層体。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009801415377A CN102186900B (zh) | 2008-10-21 | 2009-10-21 | 聚合性组合物、树脂成形体及叠层体 |
| US13/125,202 US20110245417A1 (en) | 2008-10-21 | 2009-10-21 | Polymerizable composition, resin shaped article, and laminate |
| EP09822045.2A EP2348062A4 (en) | 2008-10-21 | 2009-10-21 | POLYMERIZABLE COMPOSITION, SHAPED RESIN MATERIAL AND LAMINATE |
| JP2010534830A JP5644501B2 (ja) | 2008-10-21 | 2009-10-21 | 重合性組成物、樹脂成形体、及び積層体 |
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| JP2008271431 | 2008-10-21 | ||
| JP2008271430 | 2008-10-21 | ||
| JP2008-271430 | 2008-10-21 | ||
| JP2008-271431 | 2008-10-21 |
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| WO2010047348A1 true WO2010047348A1 (ja) | 2010-04-29 |
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| PCT/JP2009/068134 Ceased WO2010047348A1 (ja) | 2008-10-21 | 2009-10-21 | 重合性組成物、樹脂成形体、及び積層体 |
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| Country | Link |
|---|---|
| US (1) | US20110245417A1 (ja) |
| EP (1) | EP2348062A4 (ja) |
| JP (1) | JP5644501B2 (ja) |
| KR (1) | KR20110086054A (ja) |
| CN (1) | CN102186900B (ja) |
| WO (1) | WO2010047348A1 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012140538A (ja) * | 2010-12-28 | 2012-07-26 | Nippon Zeon Co Ltd | 重合性組成物、樹脂成形体、及び積層体 |
| US9068052B2 (en) | 2012-03-26 | 2015-06-30 | Zeon Corporation | Polymerizable composition, crosslinkable resin molded body, crosslinked resin molded body, and laminate |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130131405A1 (en) * | 2011-11-18 | 2013-05-23 | Metton America, Inc. | Liquid molding resin with nonswelling mica |
| CN104334630B (zh) | 2012-06-04 | 2018-03-20 | 神华集团有限责任公司 | 一种加工性能改善的交联聚乙烯组合物 |
| US9617356B2 (en) | 2012-06-13 | 2017-04-11 | National Institute Of Clean-And-Low-Carbon Energy | Crosslinked polyethylene composition |
| WO2020072776A1 (en) * | 2018-10-03 | 2020-04-09 | Materia, Inc. | Polymers for specialty applications |
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| US9068052B2 (en) | 2012-03-26 | 2015-06-30 | Zeon Corporation | Polymerizable composition, crosslinkable resin molded body, crosslinked resin molded body, and laminate |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5644501B2 (ja) | 2014-12-24 |
| EP2348062A1 (en) | 2011-07-27 |
| KR20110086054A (ko) | 2011-07-27 |
| CN102186900A (zh) | 2011-09-14 |
| US20110245417A1 (en) | 2011-10-06 |
| CN102186900B (zh) | 2013-06-05 |
| JPWO2010047348A1 (ja) | 2012-03-22 |
| EP2348062A4 (en) | 2013-04-17 |
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