CN117586599A - Resin composition and use of the same - Google Patents

Resin composition and use of the same Download PDF

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Publication number
CN117586599A
CN117586599A CN202311661976.9A CN202311661976A CN117586599A CN 117586599 A CN117586599 A CN 117586599A CN 202311661976 A CN202311661976 A CN 202311661976A CN 117586599 A CN117586599 A CN 117586599A
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China
Prior art keywords
resin
resin composition
weight
maleimide resin
modified maleimide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311661976.9A
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Chinese (zh)
Inventor
马建
崔春梅
戴善凯
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Changshu Shengyi Technology Co ltd
Suzhou Shengyi Technology Co Ltd
Original Assignee
Changshu Shengyi Technology Co ltd
Suzhou Shengyi Technology Co Ltd
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Priority to CN202311661976.9A priority Critical patent/CN117586599A/en
Publication of CN117586599A publication Critical patent/CN117586599A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/20Layered products comprising a layer of metal comprising aluminium or copper
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/14Layered products comprising a layer of metal next to a fibrous or filamentary layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00Ancillary operations in connection with laminating processes
    • B32B38/08Impregnating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00Ancillary operations in connection with laminating processes
    • B32B38/16Drying; Softening; Cleaning
    • B32B38/164Drying
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/24Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
    • C08J5/248Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using pre-treated fibres
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L53/00Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L53/02Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L79/00Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
    • C08L79/04Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • C08L79/08Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • H05K1/03Use of materials for the substrate
    • H05K1/0313Organic insulating material
    • H05K1/0353Organic insulating material consisting of two or more materials, e.g. two or more polymers, polymer + filler, + reinforcement
    • H05K1/036Multilayers with layers of different types
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00Layers arrangement
    • B32B2250/40Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02Composition of the impregnated, bonded or embedded layer
    • B32B2260/021Fibrous or filamentary layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04Impregnation, embedding, or binder material
    • B32B2260/046Synthetic resin
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10Inorganic fibres
    • B32B2262/101Glass fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/30Properties of the layers or laminate having particular thermal properties
    • B32B2307/306Resistant to heat
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00Electrical equipment
    • B32B2457/08PCBs, i.e. printed circuit boards
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2353/00Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
    • C08J2353/02Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2379/00Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2361/00 - C08J2377/00
    • C08J2379/04Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • C08J2379/08Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2447/00Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds; Derivatives of such polymers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2453/00Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
    • C08J2453/02Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2463/00Characterised by the use of epoxy resins; Derivatives of epoxy resins
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2479/00Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2461/00 - C08J2477/00
    • C08J2479/04Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors

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  • Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a resin composition and application of the resin composition, wherein the resin composition comprises 10-100 parts by weight of maleimide resin or modified maleimide resin, 10-150 parts by weight of block copolymer and 1-50 parts by weight of crosslinking auxiliary agent; and the structural formula of the block copolymer is defined. Compared with the prior art, the invention can effectively reduce the dielectric constant and dielectric loss of the resin composition and effectively inhibit the problem of the decrease of heat resistance and peeling strength of a cured product by adding the segmented copolymer containing ester groups into the maleimide resin or the modified maleimide resin and controlling the content of the segmented copolymer and the modified maleimide resin, and can improve the compatibility between the segmented copolymer and the maleimide resin and the production process, so that the modified maleimide resin has high heat resistance, high modulus, low dielectric constant and dielectric loss, high peeling strength and excellent rheological property.

Description

Resin composition and use of the same
Technical Field
The invention belongs to the technical field of electronic materials, and relates to a resin composition and application of the resin composition in prepregs, laminated boards, circuit substrates and electronic devices.
Background
In recent years, with the development of the electronic information industry, the information processing speed and throughput have been remarkably increased, and terminals, base stations, and the like typified by 5G communication have been required to have a faster signal transmission speed and lower signal loss, so that higher demands have been made on the performance, particularly the electrical performance, of laminates, and higher demands have been made on matrix resins.
The conventional matrix resin generally adopts bismaleimide resin, however, the curing product of the bismaleimide resin has the problem of poor dielectric property, and the application of the curing product in the field of high-frequency high-speed packaging substrates is limited. In order to solve the problem of poor dielectric properties of bismaleimide resins, polyphenylene ether resins are generally introduced into the bismaleimide resins in the prior art, so that the dielectric constant of the bismaleimide resin cured product is reduced to a certain extent, but the polyphenylene ether resins have the characteristics of thermoplastic resins, have poor compatibility with the bismaleimide resins, are difficult to obtain very homogeneous glue solution complexes, and have poor production process and rheological properties.
Disclosure of Invention
The application provides a resin composition, and a prepreg, a laminated board, a circuit substrate and an electronic device which are prepared by the resin composition, so as to solve the problems that the existing resin composition is poor in dielectric property and cannot have excellent heat resistance, high peel strength and excellent rheological property.
To achieve the above object, an embodiment of the present invention provides a resin composition comprising, by weight:
10-100 parts by weight of maleimide resin or modified maleimide resin;
10-150 parts by weight of a block copolymer;
1-50 parts by weight of a crosslinking auxiliary agent;
wherein the structural formula of the block copolymer is
PB isx and y are integers, x is more than or equal to 1, y is more than or equal to 1,
q is H, C-C20 straight-chain alkyl, C1-C20 branched-chain alkyl,
R is H, C-C10 straight-chain alkyl or C1-C10 branched-chain alkyl,
n, m and p are integers, n is more than or equal to 1, m is more than or equal to 0, and p is more than or equal to 1.
Preferably, at least one of the block copolymersQ in (2) is->
Preferably, in the block copolymer, at least one PB isAnd x: y is (1-30): (50-120).
Preferably, in the block copolymer, n: m: p is (30-100): (0-30): (10-55); more preferably, n: m: p is (50-90): (1-20): (20-55).
Preferably, in the block copolymer, R is H, methyl, ethyl or tert-butyl.
As an alternative, the crosslinking assistant is selected from at least one of triallyl isocyanate monomer, triallyl isocyanate monomer prepolymer, butadiene monomer, styrene monomer, pentadiene monomer, methacrylate monomer, dicyclopentadienyl methacrylate monomer, norbornene monomer, P' -divinyl-1, 2-diphenylethane, cyclopentadiene monomer.
As an alternative, the modified maleimide resin is at least one selected from the group consisting of allyl compound modified maleimide resins, aromatic diamine modified maleimide resins, monoaminophenol modified maleimide resins, aliphatic diamine modified maleimide resins, amino silicone modified maleimide resins, double bond silicone modified maleimide resins, cyanate ester modified maleimide resins, benzoxazine modified maleimide resins, mercapto modified maleimide resins, polyphenylene ether modified maleimide resins.
Preferably, the allyl compound adopted by the allyl compound modified maleimide resin is at least one of diallyl bisphenol A, diallyl bisphenol S and diallyl diphenyl ether.
Preferably, the aromatic diamine used in the aromatic diamine-modified maleimide resin is at least one of 4,4 '-diaminodiphenylmethane, 4' -diaminobiphenyl, 3 '-diaminodiphenylmethane, reactants of 4,4' -bis (chloromethyl) biphenyl and aniline, 4 '-diaminodiphenyl ether, and 4,4' -methylenebis (2-methyl-6-diethylaniline).
Preferably, the amino organosilicon modified maleimide resin adopts amino organosilicon with the structural formula of
Wherein R is 1 、R 2 、R 3 、R 4 Identical or different, each independently selected from C1-C5 alkyl, R 5 、R 6 The same or different are independently selected from C1-C6 alkylene, and n is an integer of 1-20.
Preferably, the monoaminophenol used in the monoaminophenol modified maleimide resin is para-aminophenol, ortho-aminophenol or meta-aminophenol.
Preferably, the aliphatic diamine compound used in the aliphatic diamine modified maleimide resin is a diamine compound of a polydiamine C36 or C3-C20.
Preferably, the double-bond organosilicon compound used in the double-bond organosilicon modified maleimide resin is an organosilicon compound containing a styryl group or a methacrylate group at the molecular terminal.
Preferably, the cyanate used in the cyanate ester modified maleimide resin is at least one of bisphenol A type cyanate, bisphenol F type cyanate, bisphenol E type cyanate, bisphenol M type cyanate, DCPD type cyanate, naphthalene type cyanate, phenolic type cyanate, and biphenyl type cyanate.
As an alternative, the maleimide resin is selected from at least one of the following structures:
wherein R is 1 Is methylene, ethylene or +.>R 2 Is hydrogen, methyl or ethyl, n is an integer of 1 to 10;
n is an integer of 1 to 10;
n is an integer of 1 to 10;
n is an integer of 1 to 10;
r is hydrogen, methyl or ethyl, n is an integer of 1 to 10;
n is an integer of 1 to 10;
n is an integer of 1 to 10;
n and m are integers of 1 to 10, respectively.
As a further improvement of an embodiment of the present invention, the resin composition further comprises 0.1 to 50 parts by weight of an ester group-free hydrocarbon resin.
Preferably, the hydrocarbon resin without ester groups is selected from at least one of polybutadiene, modified polybutadiene, polypentadiene, modified polypentadiene, polyisoprene, modified polyisoprene, polystyrene, butadiene-styrene copolymer, styrene-butadiene-styrene copolymer, hydrogenated diene-butadiene-styrene copolymer, maleated diene-butadiene-styrene copolymer, styrene-isoprene-styrene copolymer, styrene-butadiene-divinylbenzene copolymer, maleated styrene-butadiene copolymer, cyclopentadiene, modified cyclopentadiene, dicyclopentadiene, modified dicyclopentadiene, styrene-pentadiene copolymer, styrene-polypentadiene copolymer, butadiene-cyclopentadiene copolymer, ethylene-cyclopentadiene copolymer, norbornene polymer.
As a further improvement of an embodiment of the present invention, the resin composition further comprises, by weight:
1-30 parts by weight of epoxy resin;
and/or, 1-35 parts by weight of cyanate resin.
As an alternative, the epoxy resin is preferably at least one selected from bisphenol a type epoxy resin, bisphenol F type epoxy resin, bisphenol S type epoxy resin, bisphenol E type epoxy resin, phosphorus containing epoxy resin, o-cresol formaldehyde epoxy resin, bisphenol a novolac epoxy resin, phenol novolac epoxy resin, cresol novolac epoxy resin, triphenylmethane epoxy resin, tetraphenylethane epoxy resin, biphenyl type epoxy resin, naphthalene ring type epoxy resin, dicyclopentadiene type epoxy resin, isocyanate type epoxy resin, aralkyl novolac epoxy resin, alicyclic type epoxy resin, glycidylamine type epoxy resin, glycidylether type epoxy resin, glycidylester type epoxy resin.
Preferably, the cyanate resin contains at least one cyanate group in its molecular structure, which may be a monomer, a polymer, a prepolymer, or a combination thereof. The cyanate ester resin is more preferably a prepolymer, a combination of a prepolymer and a monomer, or a combination of a prepolymer and a polymer.
As an alternative, the cyanate resin is selected from at least one of bisphenol a type cyanate resin, bisphenol F type cyanate resin, bisphenol E type cyanate resin, bisphenol M type cyanate resin, DCPD type cyanate resin, naphthalene type cyanate resin, phenolic type cyanate resin, biphenyl cyanate resin.
As a further improvement of an embodiment of the present invention, the resin composition further comprises an inorganic filler; the inorganic filler is 30 to 250 parts by weight based on100 parts by weight of the total of the resin, the block copolymer and the crosslinking assistant.
As an alternative, the inorganic filler is preferably at least one selected from the group consisting of spherical silica, aluminum hydroxide, alumina, talc, aluminum nitride, boron nitride, silicon carbide, barium sulfate, barium titanate, strontium titanate, calcium carbonate, calcium silicate, mica, glass fiber powder, and more preferably spherical silica.
Preferably, the filler is subjected to surface treatment by using a silane coupling agent, wherein the silane coupling agent is at least one of an aminosilane coupling agent, a silane coupling agent containing carbon-carbon double bonds and an epoxy silane coupling agent.
More preferably, the filler is spherical silica surface-treated with an anilino silane coupling agent, wherein the anilino silane coupling agent has a structural formula:
wherein R is a C1-C6 linear alkylene group and X is methoxy or ethoxy.
As a further improvement of an embodiment of the present invention, the resin composition further includes an initiator; the initiator is 0.001 to 5 parts by weight based on100 parts by weight of the total of the resin, the block copolymer and the crosslinking assistant.
As an alternative, the initiator is selected from at least one of peroxide initiators and azo initiators.
Preferably, the peroxide initiator is selected from at least one of alpha, alpha' -di (tert-butyl-m-isopropyl peroxybenzene, 2, 5-dimethyl-2, 5-di (tert-butyl-peroxy) -3-hexyne, benzoyl peroxide, tert-butyl-isopropyl monocarbonate.
Preferably, the azo initiator is at least one selected from azobisisobutyronitrile, azoison Ding Qingji formamide, azobisisoheptonitrile, dimethyl azobisisobutyrate and the like.
As a further improvement of an embodiment of the present invention, the resin composition further includes a dispersant and a coupling agent; the dispersant is 0.001 to 5 parts by weight and the coupling agent is 0.001 to 10 parts by weight based on100 parts by weight of the total of the resin, the block copolymer and the crosslinking assistant.
As a further improvement of an embodiment of the present invention, the resin composition further includes a flame retardant; the flame retardant is 1 to 60 parts by weight based on100 parts by weight of the total of the resin, the block copolymer and the crosslinking assistant.
As an alternative, the flame retardant is at least one of a brominated flame retardant, a phosphorus flame retardant, a nitrogen flame retardant, a silicone flame retardant, an organometallic flame retardant, and an inorganic flame retardant.
As an alternative, the brominated flame retardant is selected from decabromodiphenyl ether, decabromodiphenyl ethane, brominated styrene, or tetrabromophthalic acid amide.
As an alternative, the phosphorus-based flame retardant is selected from inorganic phosphorus,Condensed phosphate compound, phosphoric acid compound, hypophosphorous acid compound, phosphorus oxide compound, 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO), 10- (2, 5-dihydroxyphenyl) -9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO-HQ), 10-phenyl-9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide, tris (2, 6-dimethylphenyl) phosphorus,(m is an integer of 1 to 5),
Phosphazenes.
As an alternative, the nitrogen-based flame retardant is selected from triazine compounds, cyanuric acid compounds, isocyanic acid compounds, phenothiazine.
As an alternative, the silicone flame retardant is selected from silicone oils, silicone rubbers, silicone resins.
As an alternative, the organometallic flame retardant is selected from ferrocene, acetylacetonate metal complexes, organometallic carbonyls.
As an alternative, the inorganic flame retardant is selected from aluminum hydroxide, magnesium hydroxide, aluminum oxide, barium oxide.
As a further improvement of an embodiment of the present invention, the resin composition further includes a catalyst; the catalyst is 0.01 to 5 parts by weight based on100 parts by weight of the total of the resin, the block copolymer and the crosslinking assistant.
As an alternative, the catalyst is at least one of imidazole-type catalyst, pyridine-type catalyst and organic metal salt-type catalyst.
As an alternative, the catalyst is preferably at least one of 4-dimethylaminopyridine, 2-methylimidazole, 2-ethyl-4-methylimidazole, 2-phenylimidazole, modified imidazole and zinc octoate.
The invention also provides application of the resin composition in prepregs, laminated boards, circuit substrates and electronic devices, and the application is specifically described as follows:
the invention also provides a prepreg which comprises a reinforcing material and the resin composition; the resin composition is wrapped on the reinforcing material.
The preparation method of the prepreg comprises the following steps: dissolving the resin composition with a solvent to prepare a glue solution, coating the glue solution on the reinforcing material by an impregnation method, taking out the impregnated reinforcing material, and baking for 1-15 min at the temperature of 100-180 ℃; and drying to obtain the prepreg.
As an alternative, the solvent is at least one selected from the group consisting of acetone, butanone, methyl isobutyl ketone, N-dimethylformamide, N-dimethylacetamide, ethylene glycol methyl ether, propylene glycol methyl ether, benzene, toluene, xylene, and cyclohexane.
As an alternative, the reinforcing material is selected from at least one of natural fibers, organic synthetic fibers, organic fabrics, and inorganic fabrics.
Preferably, the reinforcing material is glass fiber cloth. The glass fiber cloth is preferably a split cloth or a flat cloth. More preferably, the glass fiber cloth is E glass fiber cloth, S glass fiber cloth, T glass fiber cloth, or Q glass fiber cloth.
In addition, when the reinforcing material is a glass fiber cloth, the glass fiber cloth is chemically treated in advance with a coupling agent to improve interface bonding between the resin composition and the glass fiber cloth. The coupling agent herein preferably employs an epoxy silane coupling agent or an amino silane coupling agent to provide good water resistance and heat resistance.
The invention also provides a laminated board which comprises a piece of the prepreg and a metal foil arranged on at least one side surface of the prepreg; or comprises a combination sheet formed by mutually overlapping a plurality of prepregs, and a metal foil arranged on at least one side surface of the combination sheet.
By adopting the technical scheme, the laminated board has the advantages of low thermal expansion coefficient, high glass transition temperature, low dielectric constant and dielectric loss value, and excellent processability.
The preparation method of the laminated board comprises the following steps: and coating metal foil on one side or two side surfaces of one prepreg, or laminating at least two prepregs to form a combined sheet, coating metal foil on one side or two side surfaces of the combined sheet, and performing hot press forming to obtain the metal foil laminated plate. Wherein, the pressing conditions of hot pressing are: the pressure is 0.2-2 MPa, the temperature is 150-250 ℃, and the pressing time is 2-4 h.
Preferably, the metal foil is selected from copper foil or aluminum foil. The thickness of the metal foil is 5 μm, 8 μm, 12 μm, 18 μm, 35 μm or 70 μm.
The invention also provides a circuit substrate which comprises at least one of the prepreg and the laminated board.
The invention also provides an electronic device, which comprises the circuit substrate.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
the addition of the block copolymer containing ester groups to the maleimide resin or the modified maleimide resin and the control of the content of the block copolymer and the modified maleimide resin can effectively reduce the dielectric constant and dielectric loss of the resin composition and effectively inhibit the problems of heat resistance and peeling strength of a cured product, and the addition of the crosslinking auxiliary agent and the control of the content thereof can improve the compatibility between the block copolymer and the maleimide resin and the production process, so that the resin composition has high heat resistance, high modulus, low dielectric constant and dielectric loss, high peeling strength and excellent rheological property.
Detailed Description
The following examples are merely illustrative, not limiting, and are not intended to limit the scope of the present application.
An embodiment of the present invention provides a resin composition and the use of the resin composition in prepregs, laminates, circuit substrates and electronic devices.
The invention provides a resin composition, which comprises the following components in parts by weight:
10-100 parts by weight of maleimide resin or modified maleimide resin;
10-150 parts by weight of a block copolymer;
1-50 parts of cross-linking auxiliary agent.
Wherein the structural formula of the block copolymer is
PB isx and y are integers, x is more than or equal to 1, y is more than or equal to 1,
q is H, C-C20 straight-chain alkyl, C1-C20 branched-chain alkyl,* Represents the position where Q is attached to the O atom,
r is H, C-C10 straight-chain alkyl or C1-C10 branched-chain alkyl,
n, m and p are integers, n is more than or equal to 1, m is more than or equal to 0, and p is more than or equal to 1.
The addition of the block copolymer containing ester groups to the maleimide resin or the modified maleimide resin and the control of the content of the block copolymer and the modified maleimide resin can effectively reduce the dielectric constant and dielectric loss of the resin composition and effectively inhibit the problems of heat resistance and peeling strength of a cured product, and the addition of the crosslinking auxiliary agent and the control of the content thereof can improve the compatibility between the block copolymer and the maleimide resin and the production process, so that the resin composition has high heat resistance, high modulus, low dielectric constant and dielectric loss, high peeling strength and excellent rheological property.
Preferably, at least one of the block copolymersQ in (2) is->
When the alicyclic group is contained in the block copolymer, not only the dielectric properties can be further reduced and the decrease in heat resistance of the cured product can be effectively suppressed, but also the toughness of the cured product can be improved and the coefficient of thermal expansion can be reduced.
Preferably, in the block copolymer, at least one PB isx is an integer of 1 to 80, and y is an integer of 20 to 120.
Further preferably, x: y is (1-30): (50-120).
Preferably, in the block copolymer, n: m: p is (30-100): (0-30): (10-55); more preferably, n: m: p is (50-90): (1-20): (20-55).
Preferably, in the block copolymer, R is H, methyl, ethyl or tert-butyl.
Specifically, the block copolymer is selected from BM-1035 manufactured by Cauda.
Preferably, the crosslinking assistant is selected from at least one of triallyl isocyanate monomer (TAIC), triallyl isocyanate monomer prepolymer, butadiene monomer, styrene monomer, pentadiene monomer, methacrylate monomer, dicyclopentadienyl methacrylate monomer (DCP), norbornene monomer, P' -divinyl-1, 2-diphenylethane, cyclopentadiene monomer.
Specifically, the crosslinking auxiliary agent can be selected from TAIC manufactured by Yingchuang or Sigma Aldrich, T-500 manufactured by Jinyi chemical, and TAIC manufactured by Mitsubishi chemical TM A-DCP manufactured by Xinzhongcun chemical, DCP-A manufactured by Zoo chemical, ODV-XET manufactured by Xin Nile iron.
Preferably, the modified maleimide resin is at least one selected from the group consisting of an allyl compound modified maleimide resin, an aromatic diamine modified maleimide resin, a monoaminophenol modified maleimide resin, an aliphatic diamine modified maleimide resin, an amino silicone modified maleimide resin, a double bond silicone modified maleimide resin, a cyanate ester modified maleimide resin (BT resin), a benzoxazine modified maleimide resin, a mercapto modified maleimide resin, and a polyphenylene ether modified maleimide resin.
Further, the allyl compound adopted by the allyl compound modified maleimide resin is at least one of diallyl bisphenol A, diallyl bisphenol S and diallyl diphenyl ether.
Further, the aromatic diamine used in the aromatic diamine modified maleimide resin is at least one of 4,4 '-diaminodiphenyl methane, 4' -diaminodiphenyl, 3 '-diaminodiphenyl methane, reactants of 4,4' -bis (chloromethyl) diphenyl and aniline, 4 '-diaminodiphenyl ether and 4,4' -methylenebis (2-methyl-6-diethylaniline).
Further, the amino organosilicon modified maleimide resin adopts amino organosilicon with the structural formula of
Wherein R is 1 、R 2 、R 3 、R 4 Identical or different, each independently selected from C1-C5 alkyl, R 5 、R 6 The same or different are independently selected from C1-C6 alkylene, and n is an integer of 1-20.
Further, the monoaminophenol adopted by the monoaminophenol modified maleimide resin is para-aminophenol, ortho-aminophenol or meta-aminophenol.
Further, the aliphatic diamine compound adopted by the aliphatic diamine modified maleimide resin is a diamine compound of poly (C36) or C3-C20.
Further, the double-bond organosilicon compound adopted by the double-bond organosilicon modified maleimide resin is an organosilicon compound containing a styryl group or a methacrylate group at the molecular terminal.
Further, the cyanate used in the cyanate ester modified maleimide resin is at least one of bisphenol A type cyanate, bisphenol F type cyanate, bisphenol E type cyanate, bisphenol M type cyanate, DCPD type cyanate, naphthalene type cyanate, phenolic type cyanate and biphenyl cyanate.
The preparation method of the modified maleimide resin comprises the following steps: the maleimide resin and the modifier are uniformly mixed in an organic solvent and react for a certain time at a certain temperature to prepare the modified polyimide resin.
The reaction temperature is 50-150 ℃, the reaction time is 0.1-10 h, and the specific reaction temperature and reaction time are set according to the modifier.
The modifier is allyl compound, aromatic diamine, monoaminophenol, aliphatic diamine compound, amino organosilicon compound, double bond organosilicon compound, cyanate, benzoxazine, mercapto compound and polyphenyl ether.
Preferably, the maleimide resin is selected from at least one of the following structures:
wherein R is 1 Is methylene, ethylene or +.>R 2 Is hydrogen, methyl or ethyl, n is an integer of 1 to 10; />
n is an integer of 1 to 10;
n is an integer of 1 to 10;
n is an integer of 1 to 10;
/>
r is hydrogen, methyl or ethyl, n is an integer of 1 to 10;
n is an integer of 1 to 10;
n is an integer of 1 to 10;
n and m are integers of 1 to 10, respectively.
Specifically, the maleimide resin may be selected from BMI-1000, BMI-1000H, BMI-1100, BMI-1100H, BMI-2000, BMI-2300, BMI-3000H, BMI-4000H, BMI-5000, BMI-5100, BMI-7000 and BMI-7000H manufactured by Daihou chemical company, BMI-70, BMI-80, MIR-3000 and MIR-5000 manufactured by Japanese chemical company, X9-450 and X9-470 manufactured by Japanese DIC, D936, D937, D939 and D950 manufactured by Sichuan Dong, respectively.
More preferably, the maleimide resin is BMI-2300 manufactured by Daikovia chemical Co., ltd., BMI-70 manufactured by Japanese KI chemical Co., ltd., BMI-80 manufactured by Japanese Kagaku chemical Co., ltd., MIR-3000 manufactured by Japanese Kagaku chemical Co., ltd.
Further, the resin composition further comprises, by weight: 0.1 to 50 parts by weight of hydrocarbon resin without ester groups.
The hydrocarbon-based resin having no ester group is preferably at least one selected from the group consisting of polybutadiene, modified polybutadiene, polypentadiene, modified polypentadiene, polyisoprene, modified polyisoprene, polystyrene, butadiene-styrene copolymer, styrene-butadiene-styrene copolymer, hydrogenated diene-butadiene-styrene copolymer, maleated diene-butadiene-styrene copolymer, styrene-isoprene-styrene copolymer, styrene-butadiene-divinylbenzene copolymer, maleated styrene-butadiene copolymer, cyclopentadiene, modified cyclopentadiene, dicyclopentadiene, modified dicyclopentadiene, styrene-pentadiene copolymer, styrene-polypentadiene copolymer, butadiene-cyclopentadiene copolymer, ethylene-cyclopentadiene copolymer, and norbornene polymer.
Further, the resin composition further comprises, by weight:
1-30 parts of epoxy resin;
and/or 1-35 parts by weight of a cyanate resin.
That is, in one embodiment, the resin composition further includes 1 to 30 parts by weight of an epoxy resin.
In another embodiment, the resin composition further includes 1 to 35 parts by weight of a cyanate resin.
In still another embodiment, the resin composition further includes 1 to 30 parts by weight of an epoxy resin, and 1 to 35 parts by weight of a cyanate resin.
The epoxy resin is preferably at least one selected from bisphenol a type epoxy resin, bisphenol F type epoxy resin, bisphenol S type epoxy resin, bisphenol E type epoxy resin, phosphorus containing epoxy resin, o-cresol formaldehyde epoxy resin, bisphenol a phenol formaldehyde epoxy resin, cresol formaldehyde epoxy resin, triphenylmethane epoxy resin, tetraphenylethane epoxy resin, biphenyl type epoxy resin, naphthalene ring type epoxy resin, dicyclopentadiene type epoxy resin, isocyanate type epoxy resin, aralkyl type phenol formaldehyde epoxy resin, alicyclic type epoxy resin, glycidol amine type epoxy resin, glycidol ether type epoxy resin, and glycidol ester type epoxy resin.
The cyanate ester resin contains at least one cyanate ester group in the molecular structure, and can be a monomer, a polymer, a prepolymer or a combination thereof. The cyanate resin is preferably a prepolymer, a combination of a prepolymer and a monomer, or a combination of a prepolymer and a polymer.
Preferably, the cyanate resin is at least one selected from bisphenol a type cyanate resin, bisphenol F type cyanate resin, bisphenol E type cyanate resin, bisphenol M type cyanate resin, DCPD type cyanate resin, naphthalene type cyanate resin, phenolic type cyanate resin, biphenyl cyanate resin.
Further, the resin composition further comprises an inorganic filler; the inorganic filler is 30 to 250 parts by weight based on100 parts by weight of the total of the resin, the block copolymer and the crosslinking assistant.
Wherein the resin is the general term for different kinds of resins in the resin composition. For example, when the resin composition includes a maleimide resin, a block copolymer, a crosslinking assistant and an inorganic filler, the inorganic filler is 30 to 250 parts by weight based on100 parts by weight of the total of the maleimide resin, the block copolymer and the crosslinking assistant. For another example, when the resin composition includes a maleimide resin, a block copolymer, a crosslinking assistant, an epoxy resin, and an inorganic filler, the inorganic filler is 30 to 250 parts by weight based on100 parts by weight of the total of the maleimide resin, the block copolymer, the crosslinking assistant, and the epoxy resin.
The inorganic filler is preferably at least one selected from spherical silica, aluminum hydroxide, alumina, talc, aluminum nitride, boron nitride, silicon carbide, barium sulfate, barium titanate, strontium titanate, calcium carbonate, calcium silicate, mica, and glass fiber powder, and more preferably spherical silica.
Further, the filler is subjected to surface treatment by using a silane coupling agent, wherein the silane coupling agent is at least one of an amino silane coupling agent, a silane coupling agent containing carbon-carbon double bonds and an epoxy silane coupling agent.
More preferably, the filler is spherical silica surface-treated with an anilino silane coupling agent, wherein the anilino silane coupling agent has a structural formula:
wherein R is a C1-C6 linear alkylene group and X is methoxy or ethoxy.
Further, the resin composition further includes an initiator; the initiator is 0.001 to 5 parts by weight based on100 parts by weight of the total of the resin, the block copolymer and the crosslinking assistant.
The initiator is at least one selected from peroxide initiator and azo initiator.
Preferably, the peroxide initiator is selected from at least one of alpha, alpha' -di (tert-butyl-m-isopropyl peroxybenzene, 2, 5-dimethyl-2, 5-di (tert-butyl-peroxy) -3-hexyne, benzoyl peroxide, tert-butyl-isopropyl monocarbonate.
Preferably, the azo initiator is at least one selected from azobisisobutyronitrile, azoison Ding Qingji formamide, azobisisoheptonitrile, dimethyl azobisisobutyrate and the like.
Further, the resin composition further comprises a dispersant and a coupling agent; the dispersant is 0.001 to 5 parts by weight and the coupling agent is 0.001 to 10 parts by weight based on100 parts by weight of the total of the resin, the block copolymer and the crosslinking assistant.
The dispersant is preferably BYK-161 and/or BYK-111 manufactured by Pick corporation; the coupling agent is preferably KBM-402, KBM-403, KBM-502, KBE-503, KBM-603, KBM-903, KBM-573, KBM-602, KBM-1003 from the chemical company.
Further, the resin composition further includes a flame retardant; the flame retardant is 1 to 60 parts by weight based on100 parts by weight of the total of the resin, the block copolymer and the crosslinking assistant.
Optionally, the flame retardant is at least one of a brominated flame retardant, a phosphorus flame retardant, a nitrogen flame retardant, an organosilicon flame retardant, an organic metal flame retardant and an inorganic flame retardant.
Optionally, the brominated flame retardant is selected from decabromodiphenyl ether, decabromodiphenyl ethane, brominated styrene, or tetrabromophthalic acid amide.
Optionally, the phosphorus-based flame retardant is selected from inorganic phosphorus, condensed phosphate compounds, phosphoric acid compounds, hypophosphorous acid compounds, phosphorus oxide compounds, 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO), 10- (2, 5-dihydroxyphenyl) -9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO-HQ), 10-phenyl-9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide, tris (2, 6-dimethylphenyl) phosphorus,
(m is an integer of 1 to 5),>phosphazenes.
Optionally, the nitrogen-based flame retardant is selected from triazine compounds, cyanuric acid compounds, isocyanic acid compounds, phenothiazine.
Optionally, the silicone flame retardant is selected from silicone oil, silicone rubber, silicone resin.
Optionally, the organometallic flame retardant is selected from ferrocene, acetylacetonate metal complexes, and organometallic carbonyls.
As an alternative, the inorganic flame retardant is selected from aluminum hydroxide, magnesium hydroxide, aluminum oxide, barium oxide.
The flame retardant is preferably SPB-100, FP-300B or FP-390, PX-200, PX-201 or PX-202, OP-935 or OP-930, SAYTEX8010, HP-7010 or BT-93W, FRX OL3001 or OL5000, respectively.
Further, the resin composition further comprises a catalyst; the catalyst is 0.01 to 5 parts by weight based on100 parts by weight of the total of the resin, the block copolymer and the crosslinking assistant.
Optionally, the catalyst is at least one of imidazole catalyst, pyridine catalyst and organic metal salt catalyst.
The catalyst is preferably at least one of 4-dimethylaminopyridine, 2-methylimidazole, 2-ethyl-4-methylimidazole, 2-phenylimidazole, modified imidazole and zinc octoate.
The invention also provides a prepreg which comprises a reinforcing material and the resin composition, wherein the resin composition is wrapped on the reinforcing material.
The preparation method of the prepreg comprises the following steps: dissolving the resin composition with a solvent to prepare a glue solution, coating the glue solution on the reinforcing material by an impregnation method, taking out the impregnated reinforcing material, and baking for 1-15 min at the temperature of 100-180 ℃; and drying to obtain the prepreg.
The solvent is at least one selected from acetone, butanone, methyl isobutyl ketone, N-dimethylformamide, N-dimethylacetamide, ethylene glycol methyl ether, propylene glycol methyl ether, benzene, toluene, xylene, and cyclohexane.
The reinforcing material may be at least one selected from natural fibers, organic synthetic fibers, organic fabrics, and inorganic fabrics, preferably glass fiber cloth, more preferably E glass fiber cloth, S glass fiber cloth, T glass fiber cloth, or Q glass fiber cloth. The glass fiber cloth is preferably a split cloth or a flat cloth.
In addition, when the reinforcing material is a glass fiber cloth, the glass fiber cloth is chemically treated in advance with a coupling agent to improve interface bonding between the resin composition and the glass fiber cloth. The coupling agent is preferably an epoxy silane coupling agent or an amino silane coupling agent so that the reinforcing material has good water resistance and heat resistance.
The invention also provides a laminated board, which comprises a metal foil and the prepreg; the metal foil is arranged on at least one side surface of the prepreg or the prepreg combination.
The laminate may be prepared by the following method: and coating metal foil on one side or two side surfaces of one prepreg, or laminating at least two prepregs to form a combined sheet, coating metal foil on one side or two side surfaces of the combined sheet, and performing hot press forming to obtain the metal foil laminated plate. Wherein, the pressing conditions of hot pressing are: the pressure is 0.2-2 MPa, the temperature is 150-250 ℃, and the pressing time is 2-4 h. The metal foil is selected from copper foil or aluminum foil, and has a thickness of 5 μm, 8 μm, 12 μm, 18 μm, 35 μm or 70 μm.
The invention also provides a circuit substrate which comprises at least one of the prepregs and the laminated boards.
The invention also provides an electronic device, which comprises the circuit substrate.
The technical solutions of the present application will be further described below with reference to specific synthesis examples, examples and comparative examples. Of course, these examples are only some, but not all, of the many variations encompassed by the present embodiments.
Synthesis example 1
The synthesis example discloses a preparation method of an allyl compound modified maleimide resin, which comprises the following steps:
100g of 4, 4-diphenylmethane bismaleimide resin and 50g of diallyl bisphenol A are added into a reaction bottle, stirred and mixed uniformly, and reacted for 60min at 130-150 ℃ to obtain allyl compound modified maleimide resin A.
Synthesis example 2
The synthesis example discloses a preparation method of amino organosilicon modified maleimide resin, which comprises the following steps:
to the reaction flask were added 500g of bismaleimide resin (MIR-3000 manufactured by Nippon chemical Co., ltd.), 50g of amino silicone resin (X-22-161A manufactured by Xinyue chemical Co., ltd.) and 500ml of propylene glycol methyl ether, and the mixture was reacted under reflux for 5 hours to obtain amino silicone-modified maleimide resin B.
Synthesis example 3
The synthesis example discloses a preparation method of cyanate modified maleimide resin, which comprises the following steps:
100g of bismaleimide resin (BMI-2300 produced by Dahe chemical Co., ltd.), 60g of cyanate resin and 40g of cyanate monomer were added to a reaction flask, and the mixture was melted at 130 to 170℃for 3 hours to obtain a cyanate-modified maleimide resin C.
Examples
The chemical components and the contents of the resin compositions of examples 1 to 6 and comparative examples 1 to 4 are shown in Table 1.
Wherein the maleimide resin is BMI-2300 prepared by large neutralization; the block copolymer A is BM-1035 of Caoda, its structural formula is structural formula (1) and Q isThe block copolymer B is butadiene-styrene copolymer, specifically Ricon100 made by gram Lei Weili is selected; the crosslinking aid was TAIC manufactured by Sigma Aldrich; the epoxy resin is biphenyl type epoxy resin, and NC3000H manufactured by chemical drugs is selected; the cyanate resin is bisphenol A type cyanate resin, and C01P0 manufactured by Tianzhui is selected; the initiator is alpha, alpha' -di (tertiary butyl peroxy m-isopropyl) benzene; the catalyst is 2-ethyl-4 methylimidazole prepared by four kingdoms; the inorganic filler is spherical silica subjected to surface treatment by an aminosilane coupling agent, and SC-2050MB manufactured by Admatechs is adopted.
The present embodiment also discloses a prepreg comprising a glass fiber cloth as a reinforcing material and a resin composition coated on the glass fiber cloth by a dipping method. Wherein the glass fiber cloth is a fiber opening cloth which is pretreated by adopting an epoxy silane coupling agent in advance.
Specifically, the resin compositions of examples 1 to 6 and comparative examples 1 to 4 were each diluted with N, N-dimethylacetamide to give a dope having a solid content of 60% by weight; and (3) pre-treating the T glass fiber cloth serving as a reinforcing material by adopting an epoxy silane coupling agent, immersing the T glass fiber cloth in the glue solution, taking out the T glass fiber cloth after immersing, placing the T glass fiber cloth in a blast drying oven at 160 ℃, and baking the T glass fiber cloth for 3-6 min to obtain the prepreg.
The embodiment also discloses a laminated board, which is prepared by the following method:
cutting the prepreg to 300X 300mm, respectively placing a piece of low-coarsening electrolytic copper foil with the thickness of 18 mu m at two sides of the prepreg, stacking to form a certain stacking structure, placing the stacking structure in a vacuum hot press, and hot-pressing for 4 hours under the conditions of the pressure of 1.5MPa and the temperature of 200 ℃ to obtain the copper-clad laminated board with the thickness of 1 mm.
The embodiment also discloses a circuit substrate, which comprises the prepreg, and is prepared by adopting a conventional preparation method in the prior art, and the description is omitted herein.
The copper-clad laminates obtained in examples 1 to 6 and comparative examples 1 to 4 were subjected to performance test, and the test results are shown in Table 2. The performance test method comprises the following steps:
(1) Glass transition temperature (Tg): the test was performed by the method specified by IPC-TM-6502.4.25 using the DMA (thermal mechanical analysis) method, with a heating rate of 10℃per minute.
(2) Coefficient of Thermal Expansion (CTE) in the X/Y axis: the temperature rise rate is 10 ℃/min and the test temperature range is 30-100 ℃ by adopting a TMA method and adopting an IPC-TM-650 method for measurement.
(3) Dk and Df: the dielectric constant Dk and the dielectric loss Df at 1GHz were measured according to IPC-TM-650.2.5.5.9 using the flat panel method.
(4) Peel Strength (PS): the laminate was tested for peel strength of the copper foil layer according to the "post thermal stress" test conditions in the IPC-TM-650.4.8 method.
(5) Plate thickness accuracy: and testing the thickness difference delta d of the middle part and the edge part of the test plate after the copper-clad plate is etched for 3 times, and calculating the average value.
TABLE 2
Referring to table 2, compared with the comparative example, the resin composition of the embodiment of the present invention further prepared a copper clad laminate, not only has excellent heat resistance and excellent rheological properties, lower dielectric constant and dielectric loss, but also has high modulus, and significantly improves the peel strength of the copper foil.
It should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is for clarity only, and that the skilled artisan should recognize that the embodiments may be combined as appropriate to form other embodiments that will be understood by those skilled in the art.
The above detailed description is merely illustrative of possible embodiments of the present invention, which should not be construed as limiting the scope of the invention, and all equivalent embodiments or modifications that do not depart from the spirit of the invention are intended to be included in the scope of the invention.

Claims (10)

1. A resin composition comprising, by weight:
10-100 parts by weight of maleimide resin or modified maleimide resin;
10-150 parts by weight of a block copolymer;
1-50 parts by weight of a crosslinking auxiliary agent;
wherein the structural formula of the block copolymer is
PB isx and y are integers, x is more than or equal to 1, y is more than or equal to 1,
q is H, C-C20 straight-chain alkyl, C1-C20 branched-chain alkyl,
R is H, C-C10 straight-chain alkyl or C1-C10 branched-chain alkyl,
n, m and p are integers, n is more than or equal to 1, m is more than or equal to 0, and p is more than or equal to 1.
2. The resin composition according to claim 1, wherein at least one of the block copolymersQ in (2) is->
3. The resin composition according to claim 1, wherein at least one PB in the block copolymer isAnd x: y is (1-30): (50-120).
4. The resin composition according to claim 1, wherein in the block copolymer, n: m: p is (30-100): (0-30): (10-55).
5. The resin composition according to claim 1, wherein the crosslinking assistant is at least one selected from the group consisting of triallyl isocyanate monomer, triallyl isocyanate monomer prepolymer, butadiene monomer, styrene monomer, pentadiene monomer, methacrylate monomer, dicyclopentadienyl methacrylate monomer, norbornene monomer, P' -divinyl-1, 2-diphenylethane, cyclopentadiene monomer.
6. The resin composition according to claim 1, wherein the modified maleimide resin is at least one selected from the group consisting of an allylic compound modified maleimide resin, an aromatic diamine modified maleimide resin, a monoaminophenol modified maleimide resin, an aliphatic diamine modified maleimide resin, an amino silicone modified maleimide resin, a double bond silicone modified maleimide resin, a cyanate ester modified maleimide resin, a benzoxazine modified maleimide resin, a mercapto modified maleimide resin, and a polyphenylene ether modified maleimide resin.
7. The resin composition of claim 1, wherein the maleimide resin is selected from at least one of the following structures:
wherein R is 1 Is methylene, ethylene or +.>R 2 Is hydrogen, methyl or ethyl, n is an integer of 1 to 10;
n is an integer of 1 to 10;
n is an integer of 1 to 10;
n is an integer of 1 to 10;
r is hydrogen, methyl or ethyl, n is an integer of 1 to 10;
n is an integer of 1 to 10;
n is an integer of 1 to 10;
n and m are integers of 1 to 10, respectively.
8. The resin composition according to claim 1, further comprising 0.1 to 50 parts by weight of an ester group-free hydrocarbon resin.
9. The resin composition of claim 1, further comprising, by weight:
1-30 parts by weight of epoxy resin;
and/or, 1-35 parts by weight of cyanate resin.
10. Use of the resin composition according to any one of claims 1 to 9 in prepregs, laminates, circuit substrates and electronic devices.
CN202311661976.9A 2023-12-06 2023-12-06 Resin composition and use of the same Pending CN117586599A (en)

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