WO2022172759A1 - 樹脂組成物、樹脂付銅箔及びプリント配線板 - Google Patents
樹脂組成物、樹脂付銅箔及びプリント配線板 Download PDFInfo
- Publication number
- WO2022172759A1 WO2022172759A1 PCT/JP2022/002966 JP2022002966W WO2022172759A1 WO 2022172759 A1 WO2022172759 A1 WO 2022172759A1 JP 2022002966 W JP2022002966 W JP 2022002966W WO 2022172759 A1 WO2022172759 A1 WO 2022172759A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- resin
- copper foil
- resin composition
- unsaturated bond
- weight
- Prior art date
Links
- 239000011342 resin composition Substances 0.000 title claims abstract description 51
- 229920005989 resin Polymers 0.000 title claims description 94
- 239000011347 resin Substances 0.000 title claims description 94
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims description 79
- 239000011889 copper foil Substances 0.000 title claims description 73
- -1 arylene ether compound Chemical class 0.000 claims abstract description 38
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims abstract description 26
- 230000009257 reactivity Effects 0.000 claims abstract description 18
- 229920006249 styrenic copolymer Polymers 0.000 claims description 24
- 125000005504 styryl group Chemical group 0.000 claims description 14
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 6
- XLJMAIOERFSOGZ-UHFFFAOYSA-M cyanate group Chemical group [O-]C#N XLJMAIOERFSOGZ-UHFFFAOYSA-M 0.000 claims description 4
- 125000005439 maleimidyl group Chemical group C1(C=CC(N1*)=O)=O 0.000 claims description 4
- 125000003647 acryloyl group Chemical group O=C([*])C([H])=C([H])[H] 0.000 claims description 3
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 229920001577 copolymer Polymers 0.000 abstract description 9
- 239000010410 layer Substances 0.000 description 39
- 238000011156 evaluation Methods 0.000 description 25
- 238000012360 testing method Methods 0.000 description 20
- 239000011888 foil Substances 0.000 description 12
- 229920003048 styrene butadiene rubber Polymers 0.000 description 12
- 239000000758 substrate Substances 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 11
- 239000011256 inorganic filler Substances 0.000 description 9
- 229910003475 inorganic filler Inorganic materials 0.000 description 9
- 239000002994 raw material Substances 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- 238000011282 treatment Methods 0.000 description 8
- 239000002966 varnish Substances 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical class C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 239000000654 additive Substances 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 125000000524 functional group Chemical group 0.000 description 5
- 229920001955 polyphenylene ether Polymers 0.000 description 5
- OMIHGPLIXGGMJB-UHFFFAOYSA-N 7-oxabicyclo[4.1.0]hepta-1,3,5-triene Chemical class C1=CC=C2OC2=C1 OMIHGPLIXGGMJB-UHFFFAOYSA-N 0.000 description 4
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 4
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000012790 adhesive layer Substances 0.000 description 4
- 229920001400 block copolymer Polymers 0.000 description 4
- 239000003999 initiator Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 238000004381 surface treatment Methods 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 3
- 239000002174 Styrene-butadiene Substances 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 229910000365 copper sulfate Inorganic materials 0.000 description 3
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000005227 gel permeation chromatography Methods 0.000 description 3
- 238000007756 gravure coating Methods 0.000 description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical group O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000012046 mixed solvent Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 229910000077 silane Inorganic materials 0.000 description 3
- 150000003440 styrenes Chemical class 0.000 description 3
- JLBJTVDPSNHSKJ-UHFFFAOYSA-N 4-Methylstyrene Chemical compound CC1=CC=C(C=C)C=C1 JLBJTVDPSNHSKJ-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 229920009204 Methacrylate-butadiene-styrene Polymers 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 239000006087 Silane Coupling Agent Substances 0.000 description 2
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 229920006351 engineering plastic Polymers 0.000 description 2
- 150000002170 ethers Chemical class 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010526 radical polymerization reaction Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 2
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- LMPMFQXUJXPWSL-UHFFFAOYSA-N 3-(3-sulfopropyldisulfanyl)propane-1-sulfonic acid Chemical compound OS(=O)(=O)CCCSSCCCS(O)(=O)=O LMPMFQXUJXPWSL-UHFFFAOYSA-N 0.000 description 1
- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN SJECZPVISLOESU-UHFFFAOYSA-N 0.000 description 1
- MTRFEWTWIPAXLG-UHFFFAOYSA-N 9-phenylacridine Chemical compound C1=CC=CC=C1C1=C(C=CC=C2)C2=NC2=CC=CC=C12 MTRFEWTWIPAXLG-UHFFFAOYSA-N 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 229920006465 Styrenic thermoplastic elastomer Polymers 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- NJSSICCENMLTKO-HRCBOCMUSA-N [(1r,2s,4r,5r)-3-hydroxy-4-(4-methylphenyl)sulfonyloxy-6,8-dioxabicyclo[3.2.1]octan-2-yl] 4-methylbenzenesulfonate Chemical compound C1=CC(C)=CC=C1S(=O)(=O)O[C@H]1C(O)[C@@H](OS(=O)(=O)C=2C=CC(C)=CC=2)[C@@H]2OC[C@H]1O2 NJSSICCENMLTKO-HRCBOCMUSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229920001923 acrylonitrile-ethylene-styrene Polymers 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- QNRMTGGDHLBXQZ-UHFFFAOYSA-N buta-1,2-diene Chemical group CC=C=C QNRMTGGDHLBXQZ-UHFFFAOYSA-N 0.000 description 1
- LKAVYBZHOYOUSX-UHFFFAOYSA-N buta-1,3-diene;2-methylprop-2-enoic acid;styrene Chemical compound C=CC=C.CC(=C)C(O)=O.C=CC1=CC=CC=C1 LKAVYBZHOYOUSX-UHFFFAOYSA-N 0.000 description 1
- FACXGONDLDSNOE-UHFFFAOYSA-N buta-1,3-diene;styrene Chemical compound C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 FACXGONDLDSNOE-UHFFFAOYSA-N 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000011258 core-shell material Substances 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000007607 die coating method Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 239000012776 electronic material Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 150000002430 hydrocarbons Chemical group 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 229920002587 poly(1,3-butadiene) polymer Polymers 0.000 description 1
- 229920000412 polyarylene Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000011802 pulverized particle Substances 0.000 description 1
- 238000007348 radical reaction Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 239000011115 styrene butadiene Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
- RYCLIXPGLDDLTM-UHFFFAOYSA-J tetrapotassium;phosphonato phosphate Chemical compound [K+].[K+].[K+].[K+].[O-]P([O-])(=O)OP([O-])([O-])=O RYCLIXPGLDDLTM-UHFFFAOYSA-J 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- UKRDPEFKFJNXQM-UHFFFAOYSA-N vinylsilane Chemical compound [SiH3]C=C UKRDPEFKFJNXQM-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D153/00—Coating compositions based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
- C09D153/02—Vinyl aromatic monomers and conjugated dienes
- C09D153/025—Vinyl aromatic monomers and conjugated dienes modified
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F297/00—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
- C08F297/02—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type
- C08F297/04—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes
- C08F297/046—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the anionic type polymerising vinyl aromatic monomers and conjugated dienes polymerising vinyl aromatic monomers and isoprene, optionally with other conjugated dienes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F299/00—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/06—Ethers; Acetals; Ketals; Ortho-esters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L53/00—Compositions 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
- C08L53/02—Compositions 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
- C08L71/08—Polyethers derived from hydroxy compounds or from their metallic derivatives
- C08L71/10—Polyethers derived from hydroxy compounds or from their metallic derivatives from phenols
- C08L71/12—Polyphenylene oxides
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D125/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
- C09D125/04—Homopolymers or copolymers of styrene
- C09D125/08—Copolymers of styrene
- C09D125/12—Copolymers of styrene with unsaturated nitriles
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/05—Insulated conductive substrates, e.g. insulated metal substrate
- H05K1/056—Insulated conductive substrates, e.g. insulated metal substrate the metal substrate being covered by an organic insulating layer
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2810/00—Chemical modification of a polymer
- C08F2810/20—Chemical modification of a polymer leading to a crosslinking, either explicitly or inherently
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/03—Conductive materials
- H05K2201/0332—Structure of the conductor
- H05K2201/0335—Layered conductors or foils
- H05K2201/0355—Metal foils
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/03—Conductive materials
- H05K2201/0332—Structure of the conductor
- H05K2201/0335—Layered conductors or foils
- H05K2201/0358—Resin coated copper [RCC]
Definitions
- the present invention relates to a resin composition, a resin-coated copper foil, and a printed wiring board.
- Printed wiring boards are widely used in electronic devices.
- the frequency of signals has increased, and high-speed, large-capacity communication has become possible. Examples of such applications include communication servers, self-driving cars, and 5G-enabled mobile phones.
- the printed wiring board for high frequency is desired to have a low transmission loss in order to enable transmission without degrading the quality of the high frequency signal.
- a printed wiring board has a copper foil processed into a wiring pattern and an insulating resin base material.
- Transmission loss is mainly due to conductor loss caused by the copper foil and dielectric loss caused by the insulating resin base material Consists of Therefore, it is desirable to suppress the dielectric loss caused by the resin layer in the copper foil with a resin layer that is applied to high frequency applications.
- the resin layer is required to have excellent dielectric properties, particularly low dielectric loss tangent.
- Patent Document 1 International Publication No. 2013/105650 discloses a copper foil with an adhesive layer having an adhesive layer on one side of the copper foil. It is made of a resin composition containing 5 parts by mass or more and 65 parts by mass or less of a styrene-butadiene block copolymer.
- Patent Document 2 International Publication No.
- Patent Document 3 Japanese Patent Application Laid-Open No. 2011-225639 discloses a thermosetting resin composition containing an uncured semi-IPN composite and (D) a radical reaction initiator.
- This uncured semi-IPN type composite comprises (A) a polyphenylene ether, (B) a butadiene polymer containing 40% or more of a 1,2-butadiene unit having a 1,2-vinyl group in a side chain in the molecule, and (C) The prepolymer formed from the cross-linking agent is said to be uncured and compatibilized.
- the present inventors have studied a resin composition that is excellent in dielectric properties and the like and that can be attached to a base material such as pre-greg as a primer layer (adhesive layer).
- This resin composition layer is provided in the form of a resin-coated copper foil, and this copper foil can be used as a circuit-forming copper foil.
- the resin composition for the above applications not only has excellent dielectric properties, but also has excellent adhesion to a low-roughness surface (for example, the surface of a low-roughness copper foil), has heat resistance, and has excellent It is desirable to have various properties such as having waterproof reliability.
- a low-roughness copper foil is desired from the viewpoint of reducing transmission loss, but such a copper foil tends to have low adhesion to the resin composition due to its low roughness. It is in. Therefore, the problem is how to achieve both excellent dielectric properties and high adhesion to a low-roughness copper foil while ensuring other properties.
- the present inventors have recently found that by blending an arylene ether compound having a weight average molecular weight of 30,000 or more and a styrenic copolymer having a reactive unsaturated bond in the molecule, excellent dielectric properties (e.g., low dielectric strength at 10 GHz) can be obtained. tangent), high adhesion to a low-roughness surface (for example, the surface of a low-roughness copper foil), heat resistance, and excellent water resistance reliability.
- an object of the present invention is to provide a resin composition that exhibits excellent dielectric properties, high adhesion to low-roughness surfaces, heat resistance, and excellent water resistance reliability.
- a resin composition comprising:
- a resin-coated copper foil comprising a copper foil and a resin layer containing a resin composition provided on at least one surface of the copper foil.
- a printed wiring board produced using a resin-coated copper foil.
- the resin composition of the present invention contains an arylene ether compound having a weight average molecular weight of 30,000 or more and a styrenic copolymer. Styrenic copolymers have reactive unsaturated bonds in their molecules that exhibit reactivity with heat or ultraviolet rays.
- an arylene ether compound having a weight average molecular weight of 30,000 or more and a styrenic copolymer having a reactive unsaturated bond in the molecule excellent dielectric properties (for example, low dielectric loss tangent at 10 GHz), low It is possible to provide a resin composition that exhibits high adhesion to a rough surface (for example, the surface of a low-roughness copper foil), heat resistance, and excellent water resistance reliability. In addition, this resin composition also has good processability, for example, it is hard to crack and can exhibit good tackiness.
- the present inventors have studied a resin composition that is excellent in dielectric properties and the like and that can be attached to a base material such as pre-greg as a primer layer (adhesive layer).
- This resin composition layer is provided in the form of a resin-coated copper foil, and this copper foil can be used as a circuit-forming copper foil.
- the resin composition for the above applications not only has excellent dielectric properties, but also has excellent adhesion to a low-roughness surface (for example, the surface of a low-roughness copper foil), has heat resistance, and has excellent It is desirable to have various properties such as having waterproof reliability.
- the resin composition of the present invention is tough by blending an arylene ether compound having a weight average molecular weight of 30,000 or more and a styrene copolymer having a reactive unsaturated bond in the molecule, and not only has excellent dielectric properties. While having heat resistance and water resistance reliability, it is possible to realize high adhesion (high peel strength) to a low-roughness surface.
- the resin composition of the present invention preferably has a dielectric loss tangent at a frequency of 10 GHz after curing of less than 0.0035, more preferably less than 0.0020, and even more preferably less than 0.0015.
- a lower dielectric loss tangent is preferable, and the lower limit is not particularly limited, but is typically 0.0001 or more.
- the resin composition of the present invention contains an arylene ether compound.
- the weight average molecular weight of this arylene ether compound is 30,000 or more, preferably 30,000 or more and 300,000 or less, more preferably 40,000 or more and 200,000 or less, and particularly preferably 45,000 or more and 120,000 or less.
- Arylene ether compounds having a weight average molecular weight of 30,000 or more are typically polyarylene ethers.
- the arylene ether compound is preferably a phenylene ether compound, such as polyphenylene ether.
- Arylene ether compounds or phenylene ether compounds have the following formulas: (wherein R 1 , R 2 , R 3 and R 4 are each independently a hydrogen atom or a hydrocarbon group having 1 to 3 carbon atoms) It is preferably a compound containing a skeleton represented by in the molecule.
- phenylene ether compounds include styrene derivatives of phenylene ether compounds, phenylene ether compounds containing a maleic anhydride structure in the molecule, terminal hydroxyl group-modified phenylene ether compounds, terminal methacryl-modified phenylene ether compounds, and terminal glycidyl ether-modified phenylene ether compounds. mentioned.
- Product examples of arylene ether compounds containing a maleic anhydride structure in the molecule and having a weight average molecular weight of 30,000 or more include PME-80 and PME-82 manufactured by Mitsubishi Engineering-Plastics Corporation.
- the arylene ether compound of the present invention preferably has a reactive unsaturated bond.
- the resin composition may further contain an additional arylene ether compound having a reactive unsaturated bond.
- the additional arylene ether compound need not have a weight average molecular weight of 30,000 or more. That is, the additional arylene ether compound may have a weight average molecular weight of less than 30,000 (although it may have a weight average molecular weight of 30,000 or more), for example, a number average molecular weight of 500 or more and 10,000 or less.
- a reactive unsaturated bond is defined as an unsaturated bond that exhibits reactivity with heat or ultraviolet light.
- Preferred examples of reactive unsaturated bonds include cyanate groups, maleimide groups, vinyl groups, (meth)acryloyl groups, ethynyl groups, styryl groups, and combinations thereof.
- a styryl group is particularly preferred in terms of high reactivity and controllability of the reaction (reaction is less likely to occur over time, the resin can be stored, and a long product life can be ensured).
- the reactive unsaturated bond in the arylene ether compound is preferably located at or adjacent to the terminal of the molecular structure in terms of exhibiting high reactivity.
- 1,2-vinyl group is mentioned as an example of a functional group having an unsaturated bond at the end of the molecular structure, and the 1,2-vinyl group exhibits high reactivity and therefore is a functional group that can be used for radical polymerization. It is common as On the other hand, in the case of ethylenically unsaturated bonds present in the molecular skeleton (vinyl groups not located at the ends of the molecular structure), the reactivity is lowered.
- the position of the reactive unsaturated bond may be a) the terminal of the molecular structure (irrespective of main chain or side chain) or b) the terminal of the molecular structure (regardless of main chain or side chain). not), the position adjacent to the terminal benzene ring may be used.
- the arylene ether compound may have styryl groups as reactive unsaturated bonds at both ends of the molecular structure.
- Product examples of arylene ether compounds having styryl groups at both ends of the molecule include OPE-2St-1200 and OPE-2St-2200 manufactured by Mitsubishi Gas Chemical Company, Inc.
- the content of the arylene ether compound having a weight average molecular weight of 30000 or more in the resin composition of the present invention is not particularly limited, but from the viewpoint of compatibility (having a relationship with peel strength and water resistance reliability) and dielectric properties , 10 parts by weight or more and 60 parts by weight or less, more preferably 15 parts by weight or more and 55 parts by weight or less, still more preferably 20 parts by weight or more and 50 parts by weight, with respect to 100 parts by weight of the total amount of the resin component (solid content) Below, it is particularly preferably 25 parts by weight or more and 35 parts by weight or less.
- the resin composition of the present invention contains a styrenic copolymer.
- the styrenic copolymer may be either hydrogenated or non-hydrogenated. That is, the styrenic copolymer is a compound containing a site derived from styrene, and is a polymer that may contain a site derived from a compound having a polymerizable unsaturated group such as an olefin other than styrene. When a double bond is present in the site derived from the compound having a polymerizable unsaturated group in the styrene copolymer, the double bond may be hydrogenated or not hydrogenated.
- styrenic copolymers include acrylonitrile-butadiene-styrene copolymer (ABS), methacrylate-butadiene-styrene copolymer (MBS), acrylonitrile-acrylate-styrene copolymer (AAS), acrylonitrile- Ethylene-styrene copolymer (AES), styrene-butadiene copolymer (SBR), styrene-butadiene-styrene copolymer (SBS), styrene-ethylene-butadiene-styrene copolymer (SEBS), styrene 4- Methylstyrene-isoprene-butadiene block copolymers, and combinations thereof, preferably styrene-butadiene block copolymers (SBR), styrene-4-methylstyrene-iso
- the weight average molecular weight of the styrenic copolymer is not particularly limited, but is preferably 40,000 or more and 400,000 or less, more preferably 60,000 or more and 370,000 or less, and particularly preferably 80,000 or more and 340,000 or less.
- the styrenic copolymer of the present invention has a reactive unsaturated bond in its molecule.
- a reactive unsaturated bond is defined as an unsaturated bond that exhibits reactivity with heat or ultraviolet light.
- Preferred examples of reactive unsaturated bonds include cyanate groups, maleimide groups, vinyl groups, (meth)acryloyl groups, ethynyl groups, styryl groups, and combinations thereof.
- a styryl group is particularly preferred in terms of high reactivity and controllability of the reaction (reaction is less likely to occur over time, the resin can be stored, and a long product life can be ensured).
- the reactive unsaturated bond in the styrenic copolymer is preferably located at or adjacent to the terminal of the molecular structure, as in the case of the arylene ether compound, in view of exhibiting high reactivity.
- 1,2-vinyl group is mentioned as an example of a functional group having an unsaturated bond at the end of the molecular structure, and the 1,2-vinyl group exhibits high reactivity and therefore is a functional group that can be used for radical polymerization. It is common as On the other hand, in the case of ethylenically unsaturated bonds present in the molecular skeleton (vinyl groups not located at the ends of the molecular structure), the reactivity is lowered.
- the position of the reactive unsaturated bond may be a) the terminal of the molecular structure (irrespective of main chain or side chain) or b) the terminal of the molecular structure (regardless of main chain or side chain). not), the position adjacent to the terminal benzene ring may be used.
- styrenic copolymer products having reactive unsaturated bonds include Septon (R) V9461 (having a styryl group) manufactured by Kuraray Co., Ltd., Ricon (R) 100, 181 and 184 (1,2- styrene-butadiene copolymer having a vinyl group), Epofriend AT501 and CT310 manufactured by Daicel Corporation (styrene-butadiene copolymer having a 1,2-vinyl group).
- the styrenic copolymer preferably has a modified styrene butadiene.
- the resin composition may further comprise an additional styrenic copolymer with modified styrene butadiene.
- the additional styrenic copolymer the same styrenic copolymer as described above can be used, except that it does not need to have a reactive unsaturated bond. That is, the additional styrenic copolymer can have no reactive unsaturation (although it may have reactive unsaturation).
- Modified styrene-butadiene may be any styrene-butadiene chemically modified by introducing various functional groups.
- styrenic copolymer having modified styrene-butadiene is Tuftec (R) MP10 manufactured by Asahi Kasei Corporation, which is an amine-modified hydrogenated styrene-butadiene block copolymer.
- Tuftec (R) MP10 manufactured by Asahi Kasei Corporation
- non-modified styrene-based copolymers include TR2003 manufactured by JSR Corporation, which is a styrene-butadiene block copolymer.
- the content of the styrenic copolymer having a reactive unsaturated bond in the resin composition of the present invention is not particularly limited, but from the viewpoint of achieving both compatibility and dielectric properties, the total amount of the resin component (solid content) is 100 parts by weight. , preferably 5 parts by weight or more and 75 parts by weight or less, more preferably 10 parts by weight or more and 65 parts by weight or less, still more preferably 15 parts by weight or more and 55 parts by weight or less, particularly preferably 20 parts by weight or more and 43 parts by weight or less is.
- the content ratio of the arylene ether compound having a weight average molecular weight of 30000 or more and the styrene copolymer having a reactive unsaturated bond in the molecule in the resin composition of the present invention is not particularly limited, but the balance of adhesion, compatibility and dielectric properties From the viewpoint of taking, when the content of the arylene ether compound having a weight average molecular weight of 30000 or more is P, and the content of the styrenic copolymer having a reactive unsaturated bond in the molecule is S, S is divided by P
- the weight ratio (S/P ratio) is preferably 0.2 or more and 2.0 or less, more preferably 0.4 or more and 1.8 or less, still more preferably 0.6 or more and 1.7 or less, and particularly preferably It is 1.0 or more and 1.5 or less.
- the resin composition of the present invention may contain additives that are commonly added to resins and polymers.
- additives include reaction initiators, reaction accelerators, flame retardants, silane coupling agents, dispersants, antioxidants, and the like.
- the resin composition of the present invention may further contain an inorganic filler.
- inorganic fillers include silica, talc, alumina, boron nitride (BN), and the like.
- the inorganic filler is not particularly limited as long as it can be dispersed in the resin composition, but silica is preferred from the viewpoint of dispersibility and dielectric properties.
- the average particle diameter D50 of the inorganic filler is preferably 0.1 ⁇ m or more and 3.0 ⁇ m or less, more preferably 0.3 ⁇ m or more and 2.0 ⁇ m or less.
- the inorganic filler may be in any form such as pulverized particles, spherical particles, core-shell particles, hollow particles, and the like.
- the content of the inorganic filler may be any amount and is not particularly limited, but from the viewpoint of the ease of dispersing the filler, the fluidity of the resin composition, etc., the total amount of the above-mentioned resin components (solid content) is 100 parts by weight.
- the total amount of 100 parts by weight of the resin component includes not only the weight of the polymer and the resin, but also the weight of additives that constitute a part of the resin, such as a reaction initiator. , inorganic fillers shall not be counted.
- Resin- coated copper foil The resin composition of the present invention is preferably used as a resin for a resin-coated copper foil. That is, according to a preferred aspect of the present invention, there is provided a resin-coated copper foil comprising a copper foil and a resin layer made of a resin composition provided on at least one surface of the copper foil. Typically, the resin composition is in the form of a resin layer, and the resin composition is applied to a copper foil using a gravure coating method so that the thickness of the resin layer after drying has a predetermined value. It is dried to obtain a resin-coated copper foil.
- This coating method is arbitrary, but in addition to the gravure coating method, a die coating method, a knife coating method, and the like can be employed. In addition, it is also possible to apply using a doctor blade, a bar coater, or the like.
- the resin composition of the present invention has excellent dielectric properties (e.g., low dielectric loss tangent at 10 GHz), high adhesion to low-roughness surfaces (e.g., low-roughness copper foil surfaces), heat resistance, and excellent It exhibits excellent water resistance reliability. Therefore, the resin-coated copper foil has various advantages provided by such a resin composition.
- the lower limit of the peel strength between the resin layer and the copper foil that is, normal peel strength measured in accordance with JIS C 6481-1996 is It is preferably 0.8 kgf/cm or more, more preferably 1.0 kgf/cm or more, and particularly preferably 1.2 kgf/cm or more. The higher the peel strength, the better, and although the upper limit is not particularly limited, it is typically 2.0 kgf/cm or less.
- the thickness of the resin layer is not particularly limited, but a thicker one is preferable in order to secure the peel strength, and a thinner laminated substrate is preferable, so there is an appropriate thickness.
- the thickness of the resin layer is preferably 1 ⁇ m or more and 50 ⁇ m or less, more preferably 1.5 ⁇ m or more and 30 ⁇ m or less, particularly preferably 2 ⁇ m or more and 20 ⁇ m or less, most preferably 2.5 ⁇ m or more and 10 ⁇ m or less. Within these ranges, the various characteristics of the present invention described above can be more effectively realized, and the resin composition can be easily applied to form a resin layer.
- the copper foil may be an electrolytic foil or a metal foil as rolled foil (so-called raw foil), or may be in the form of a surface-treated foil in which at least one surface is surface-treated. good too.
- Surface treatment is a variety of surface treatments performed to improve or impart certain properties (e.g., rust resistance, moisture resistance, chemical resistance, acid resistance, heat resistance, and adhesion to substrates) on the surface of metal foil. can be The surface treatment may be performed on one side of the metal foil, or may be performed on both sides of the metal foil. Examples of surface treatments applied to the copper foil include antirust treatment, silane treatment, roughening treatment, barrier forming treatment, and the like.
- the ten-point average roughness Rzjis measured according to JIS B0601-2001 on the resin layer side surface of the copper foil is preferably 2.0 ⁇ m or less, more preferably 1.5 ⁇ m or less, and still more preferably 1 0 ⁇ m or less, particularly preferably 0.7 ⁇ m or less, and most preferably 0.5 ⁇ m or less.
- transmission loss in high frequency applications can be desirably reduced. That is, it is possible to reduce the conductor loss caused by the copper foil, which may increase due to the skin effect of the copper foil, which becomes more pronounced as the frequency increases, thereby further reducing the transmission loss.
- the lower limit of the ten-point average roughness Rzjis on the surface of the copper foil on the resin layer side is not particularly limited, but from the viewpoint of improving adhesion with the resin layer and heat resistance, Rzjis is preferably 0.01 ⁇ m or more, more preferably 0 0.03 ⁇ m or more, more preferably 0.05 ⁇ m or more.
- the thickness of the copper foil is not particularly limited, it is preferably 0.1 ⁇ m or more and 100 ⁇ m or less, more preferably 0.5 ⁇ m or more and 70 ⁇ m or less, still more preferably 1 ⁇ m or more and 50 ⁇ m or less, and particularly preferably 1.5 ⁇ m or more and 30 ⁇ m or less. , most preferably 2 ⁇ m or more and 20 ⁇ m or less.
- the thickness of the copper foil is, for example, 10 ⁇ m or less
- the resin-coated copper foil of the present invention is provided with a release layer and a carrier to improve handling properties, and a resin layer is added to the copper foil surface of the copper foil. may be formed.
- the base material such as pre-greg preferably contains a resin having a reactive unsaturated bond in the molecule from the viewpoint of ensuring adhesion with the resin layer, and from the viewpoint of compatibility with the resin layer, polyphenylene ether It preferably contains a resin.
- Examples of commercially available substrates that satisfy both the requirements of containing a resin having a reactive unsaturated bond in the molecule and containing a polyphenylene ether resin include MEGTRON6 series, MEGTRON7 series, and MEGTRON8 series manufactured by Panasonic Corporation. be done. It has been difficult to ensure the adhesion of conventional resin layers and even low-roughness copper foils to substrates having a low dielectric constant and a low dielectric loss tangent as exemplified here.
- a substrate for example, a prepreg
- a resin layer containing the resin composition of the present invention or a resin-coated copper foil of the present invention provided on one or both sides of the substrate
- a laminate comprising:
- the resin composition or resin-coated copper foil of the present invention is preferably used for producing a printed wiring board. That is, according to a preferred aspect of the present invention, there is provided a printed wiring board provided with the resin-coated copper foil, or a printed wiring board produced using the resin-coated copper foil. In this case, the resin layer of the resin-coated copper foil is cured.
- the printed wiring board according to this aspect includes a layer structure in which an insulating resin layer and a copper layer are laminated in this order. A known layer structure can be adopted for the printed wiring board.
- the printed wiring board include a single-sided or double-sided printed wiring board obtained by bonding the resin-coated copper foil of the present invention to one side or both sides of a prepreg to form a cured laminate, and then forming a circuit on the single-sided or double-sided printed wiring board.
- a printed wiring board etc. are mentioned.
- Other specific examples include a flexible printed wiring board, a COF, a TAB tape, a build-up multilayer wiring board, and a semiconductor integrated circuit in which the resin-coated copper foil of the present invention is formed on a resin film to form a circuit. Direct build-up on wafer, etc., in which lamination of copper foil and circuit formation are alternately repeated.
- the resin-coated copper foil of the present invention is preferably applicable as an insulating layer and conductor layer for printed wiring boards for high-frequency digital communication in network equipment.
- network devices include (i) base station servers, routers, etc., (ii) corporate networks, and (iii) backbone systems for high-speed mobile communications.
- Examples 1-12 Preparation of resin varnish First, as raw material components for resin varnish, the following arylene ether compound, styrene copolymer, additive and inorganic filler were prepared. ⁇ Arylene ether compound> -OPE-2St-1200 (Mitsubishi Gas Chemical Co., Ltd., phenylene ether compound having styryl groups at both molecular ends, number average molecular weight of about 1200) -OPE-2St-2200 (Mitsubishi Gas Chemical Co., Ltd., phenylene ether compound having styryl groups at both molecular ends, number average molecular weight of about 2200) -PME-82 (manufactured by Mitsubishi Engineering-Plastics Co., Ltd., phenylene ether compound containing maleic anhydride structure in the molecule, weight average molecular weight of about 56000) ⁇ Styrene-based copolymer> -Septon (R) V9461 (manufactured
- the number-average molecular weight and weight-average molecular weight of the arylene ether compound and styrenic copolymer described above are values obtained by measurement using the GPC (gel permeation chromatography) method under the following conditions. Each of the above molecular weights is relative to polystyrene standards.
- ⁇ Detector Differential refractive index detector RI (manufactured by Tosoh Corporation, RI-8020, sensitivity 32) ⁇ Column: TSKgel GMH HR -M, 2 (7.8 mm ⁇ 30 cm, manufactured by Tosoh Corporation) ⁇ Solvent: chloroform ⁇ Flow rate: 1.0 mL/min ⁇ Column temperature: 40°C ⁇ Injection volume: 0.2 mL ⁇ Standard sample: Monodisperse polystyrene manufactured by Tosoh Corporation ⁇ Data processing: GPC data processing system manufactured by Toray Research Center Co., Ltd.
- the raw material components were weighed into a round flask at the compounding ratio (weight ratio) shown in Table 1, and a mixed solvent was added so that the raw material component concentration was 13% by weight or 17% by weight.
- This mixed solvent was added in a mixing ratio such that the ratio of the organic solvent in the resin varnish was 85% by weight of toluene and 15% by weight of methyl ethyl ketone.
- a mantle heater, a stirring blade, and a flask lid with a reflux condenser were placed in a round flask containing raw material components and a mixed solvent, the temperature was raised to 60°C while stirring, and stirring was continued at 60°C for 2 hours. to dissolve or disperse the raw material components.
- the resin varnish obtained after stirring was allowed to cool.
- a resin varnish with a raw material component concentration of 13% by weight and a resin varnish with a raw material component concentration of 17% by weight were obtained.
- Electrolytic Copper Foil An electrolytic copper foil was produced by the following method. Electrolysis was performed in a copper sulfate solution at a solution temperature of 45° C. and a current density of 55 A/dm 2 using a rotating titanium electrode (surface roughness Ra: 0.20 ⁇ m) as the cathode and a dimensionally stable anode (DSA) as the anode. , an electrolytic copper foil was produced as a raw foil.
- This copper sulfate solution has a copper concentration of 80 g/L, a free sulfuric acid concentration of 140 g/L, a bis(3-sulfopropyl) disulfide concentration of 30 mg/L, a diallyldimethylammonium chloride polymer concentration of 50 mg/L, and a chlorine concentration of 40 mg/L. and Particulate projections were formed on the surface of the raw foil on the side facing the electrolyte.
- particulate projections were carried out in a copper sulfate solution (copper concentration: 13 g/L, free sulfuric acid concentration: 55 g/L, 9-phenylacridine concentration: 140 mg/L, chlorine concentration: 35 mg/L), solution temperature: 30°C, current Electrolysis was performed at a density of 50 A/dm 2 .
- the surface-treated surface of this electrolytic copper foil has a ten-point average roughness Rzjis of 0.5 ⁇ m (JIS B0601-2001 compliant), and the particulate protrusions have an average particle diameter of 100 nm in a scanning electron microscope image, and the particles The density was 205/ ⁇ m 2 .
- the total thickness of the electrolytic copper foil including the surface treated surface was 18 ⁇ m.
- peel strength> A copper wiring having a wiring width of 10 mm and a wiring thickness of 18 ⁇ m was formed on a single layered substrate by a subtractive method, and the peel strength was measured at room temperature (eg, 25° C.) according to JIS C 6481-1996. The measurement was performed 5 times, and the average value was used as the value of the peel strength, which was evaluated according to the following criteria.
- the peel strength measured here reflects four peeling modes: interfacial peeling between prepreg/resin, cohesive failure of resin, interfacial peeling within the resin layer, and interfacial peeling between resin/copper foil.
- ⁇ Evaluation 2 Heat resistance> A test piece having a size of 5 cm ⁇ 5 cm was cut out from the single-layered substrate, and the test piece was floated in a solder bath at 288° C. for 10 minutes to observe the presence or absence of blisters. Four test pieces were prepared and evaluated. The results applied to the following criteria were as shown in Table 1.
- -Evaluation A No blisters occur in all test pieces
- C Blisters with a diameter of less than 5 mm occur in one or more test pieces and less than three locations
- -Evaluation D One or more test pieces 3 or more bulges with a diameter of less than 5 mm occurred on the test piece, or 1 or more bulges with a diameter of 5 mm or more occurred on one or more test pieces.
- ⁇ Evaluation 3 Water resistance reliability> A single-layered substrate is cut into a test piece of 5 cm x 6 cm in size, and 1 cm x 5 cm of copper is removed by etching to form a handle. Four test pieces each having a copper area of 5 cm x 5 cm are prepared. made. The handle of the test piece was sandwiched between jigs, submerged in boiling water, and boiled for 3 hours. After the boiling treatment, water droplets were wiped off the test piece, and the test piece was dipped in a solder bath at 260° C. for 20 seconds, and the test piece taken out was observed for blistering. Four test pieces were prepared and evaluated. The results applied to the following criteria were as shown in Table 1.
- -Evaluation A No blisters occur in all test pieces -Evaluation C: Blisters with a diameter of less than 5 mm occur in one or more test pieces and less than three locations -Evaluation D: One or more test pieces 3 or more bulges with a diameter of less than 5 mm occurred on the test piece, or 1 or more bulges with a diameter of 5 mm or more occurred on one or more test pieces.
- Dielectric loss tangent> For the resin film, the dielectric loss tangent at 10 GHz was measured by the perturbation cavity resonator method. This measurement was performed according to JIS R 1641 using a measuring device (a KEYCOM resonator and a KEYSIGHT network analyzer) after cutting the resin film to match the sample size of the resonator. The measured dielectric loss tangent was rated and evaluated according to the following criteria. The results were as shown in Table 1.
- dielectric loss tangent at 10 GHz is less than 0.0015 -Evaluation B: dielectric loss tangent at 10 GHz is 0.0015 or more and less than 0.0020 -Evaluation C: dielectric loss tangent is 0.0020 or more and less than 0.0040 at 10 GHz -Evaluation D : Dielectric loss tangent at 10 GHz is 0.0040 or more
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Abstract
Description
熱又は紫外線により反応性を呈する反応性不飽和結合を分子中に有するスチレン系コポリマーと、
を含む、樹脂組成物が提供される。
本発明の樹脂組成物は、重量平均で30000以上の分子量を有するアリーレンエーテル化合物と、スチレン系コポリマーとを含む。スチレン系コポリマーは、熱又は紫外線により反応性を呈する反応性不飽和結合を分子中に有する。このように、重量平均分子量30000以上のアリーレンエーテル化合物と、反応性不飽和結合を分子中に有するスチレン系コポリマーとをブレンドすることで、優れた誘電特性(例えば10GHzでの低い誘電正接)、低粗度表面(例えば低粗度銅箔の表面)に対する高い密着性、耐熱性、及び優れた耐水信頼性を呈する樹脂組成物を提供することができる。また、この樹脂組成物は、良好な加工性も有しており、例えば割れにくく、かつ、良好なタック性を呈しうるものである。
で表される骨格を分子中に含む化合物であるのが好ましい。フェニレンエーテル化合物の例としては、フェニレンエーテル化合物のスチレン誘導体、分子中に無水マレイン酸構造を含むフェニレンエーテル化合物、末端水酸基変性フェニレンエーテル化合物、末端メタクリル変性フェニレンエーテル化合物及び末端グリシジルエーテル変性フェニレンエーテル化合物が挙げられる。分子中に無水マレイン酸構造を含む重量平均分子量30000以上のアリーレンエーテル化合物の製品例としては、三菱エンジニアリングプラスチックス株式会社製のPME-80及びPME-82が挙げられる。
本発明の樹脂組成物は樹脂付銅箔の樹脂として用いられるのが好ましい。すなわち、本発明の好ましい態様によれば、銅箔と、銅箔の少なくとも一方の面に設けられた樹脂組成物からなる樹脂層とを含む、樹脂付銅箔が提供される。典型的には、樹脂組成物は樹脂層の形態であって、樹脂組成物を、銅箔に乾燥後の樹脂層の厚さが所定の値となるようにグラビアコート方式を用いて塗工し乾燥させ、樹脂付銅箔を得る。この塗工の方式については任意であるが、グラビアコート方式の他、ダイコート方式、ナイフコート方式等を採用することができる。その他、ドクターブレードやバーコータ等を使用して塗工することも可能である。
本発明の樹脂組成物ないし樹脂付銅箔はプリント配線板の作製に用いられるのが好ましい。すなわち、本発明の好ましい態様によれば、上記樹脂付銅箔を備えたプリント配線板、又は上記樹脂付銅箔を用いて作製されたプリント配線板が提供される。この場合、上記樹脂付銅箔の樹脂層は硬化されている。本態様によるプリント配線板は、絶縁樹脂層と、銅層とがこの順に積層された層構成を含んでなる。プリント配線板は公知の層構成が採用可能である。プリント配線板に関する具体例としては、プリプレグの片面又は両面に本発明の樹脂付銅箔を接着させ硬化した積層体とした上で回路形成した片面又は両面プリント配線板や、これらを多層化した多層プリント配線板等が挙げられる。また、他の具体例としては、樹脂フィルム上に本発明の樹脂付銅箔を形成して回路を形成するフレキシブルプリント配線板、COF、TABテープ、ビルドアップ多層配線板、半導体集積回路上へ樹脂付銅箔の積層と回路形成を交互に繰りかえすダイレクト・ビルドアップ・オン・ウェハー等が挙げられる。特に、本発明の樹脂付銅箔は、ネットワーク機器における高周波デジタル通信用のプリント配線板用の絶縁層及び導体層として好ましく適用可能である。そのようなネットワーク機器の例としては、(i)基地局内サーバー、ルーター等、(ii)企業内ネットワーク、(iii)高速携帯通信の基幹システム等が挙げられる。
(1)樹脂ワニスの調製
まず、樹脂ワニス用原料成分として、以下に示されるアリーレンエーテル化合物、スチレン系コポリマー、添加剤及び無機フィラーを用意した。
<アリーレンエーテル化合物>
‐OPE-2St-1200(三菱ガス化学株式会社製、分子両末端にスチリル基を有するフェニレンエーテル化合物、数平均分子量約1200)
‐OPE-2St-2200(三菱ガス化学株式会社製、分子両末端にスチリル基を有するフェニレンエーテル化合物、数平均分子量約2200)
‐PME-82(三菱エンジニアリングプラスチックス株式会社製、分子中に無水マレイン酸構造を含むフェニレンエーテル化合物、重量平均分子量約56000)
<スチレン系コポリマー>
‐セプトン(R)V9461(株式会社クラレ製、スチリル基を有する水添スチレン・4-メチルスチレン・イソプレン・ブタジエンブロック共重合体、重量平均分子量約296000)
‐エポフレンド AT501(株式会社ダイセル製、1,2-ビニル基を有するエポキシ化スチレン系コポリマー、重量平均分子量約94000)
‐TR2003(JSR株式会社製、スチレンブタジエンブロック共重合体、重量平均分子量約95700)
‐タフテック(R)MP10(旭化成株式会社製、水添スチレンブタジエンブロック共重合体、アミン変性品、重量平均分子量約60000)
<添加剤(反応開始剤)>
‐パーブチルP(日油株式会社製、過酸化物)
<無機フィラー>
‐SC4050-MOT(株式会社アドマテックス製、シリカスラリー、平均粒径D50:1.0μm、表面ビニルシラン処理)
・検出器:示差屈折率検出器RI(東ソー株式会社製、RI-8020、感度32)
・カラム:TSKgel GMHHR-M、2本(7.8mm×30cm、東ソー株式会社製)
・溶媒:クロロホルム
・流速:1.0mL/min
・カラム温度:40℃
・注入量:0.2mL
・標準試料:東ソー株式会社製、単分散ポリスチレン
・データ処理:株式会社東レリサーチセンター製、GPCデータ処理システム
電解銅箔を以下の方法で作製した。硫酸銅溶液中で、陰極にチタン製の回転電極(表面粗さRa:0.20μm)、陽極に寸法安定性陽極(DSA)を用い、溶液温度45℃、電流密度55A/dm2で電解し、原箔としての電解銅箔を作製した。この硫酸銅溶液の組成は、銅濃度80g/L、フリー硫酸濃度140g/L、ビス(3-スルホプロピル)ジスルフィド濃度30mg/L、ジアリルジメチルアンモニウムクロライド重合体濃度50mg/L、塩素濃度40mg/Lとした。原箔の電解液面側の表面に、粒子状突起を形成させた。粒子状突起の形成は、硫酸銅溶液(銅濃度:13g/L、フリー硫酸濃度55g/L、9-フェニルアクリジン濃度140mg/L、塩素濃度:35mg/L)中で、溶液温度30℃、電流密度50A/dm2の条件で電解することにより行った。
<亜鉛-ニッケル被膜形成>
・ピロリン酸カリウム濃度:80g/L
・亜鉛濃度:0.2g/L
・ニッケル濃度:2g/L
・液温:40℃
・電流密度:0.5A/dm2
<クロメート層形成>
・クロム酸濃度:1g/L、pH11
・溶液温度:25℃
・電流密度:1A/dm2
<シラン層形成>
・シランカップリング剤:3-アミノプロピルトリメトキシシラン(3g/Lの水溶液)
・液処理方法:シャワー処理
得られた原料成分濃度が17重量%の樹脂ワニスを離型フィルム(AGC株式会社製「アフレックス(R)」)の表面にコンマ塗工機を用いて、乾燥後の樹脂の厚さが20μmとなるように塗布し、150℃で3分間オーブンにて乾燥させ、B-stage樹脂を得た。得られたB-stage樹脂から上記離型フィルムを剥がし、B-stage樹脂のみを2枚積層させ、200℃、90分間、20kgf/cm2の条件下で真空プレス成形を施して、厚さ40μmの樹脂フィルムを得た。
得られた原料成分濃度が13重量%の樹脂ワニスを上記電解銅箔の表面にグラビア塗工機を用いて、乾燥後の樹脂の厚さが4μmとなるように塗布し、150℃、2分間オーブンにて乾燥させて、樹脂付銅箔を得た。複数枚のプリプレグ(パナソニック株式会社製、MEGTRON7シリーズ「R-5680」)を重ねて0.2mmの厚さとし、その上に、上記樹脂付銅箔を、樹脂がプリプレグに当接するように積層し、190℃、90分間、30kgf/cm2の条件下で真空プレス成形を施して片面積層基板を得た。
作製した樹脂フィルム及び片面積層基板について以下の評価を行った。なお、技術水準を鑑みて各評価基準は、評価A:特に優れている、評価B:優れている、評価C:実用上使用可能、評価D:使用不可能、を意味するものとした。
片面積層基板に配線幅10mm、配線厚さ18μmの銅配線をサブトラクティブ工法により形成し、JIS C 6481-1996に準拠して剥離強度を常温(例えば25℃)で測定した。測定は5回実施し、その平均値を剥離強度の値とし、以下の基準に従い評価した。なお、ここで測定される剥離強度は、プリプレグ/樹脂間の界面剥離、樹脂の凝集破壊、樹脂層内の相界面剥離、及び樹脂/銅箔間の界面剥離の4つの剥離モードが反映された値であり、その値が高いほどプリプレグ等の基材への密着性、樹脂層の強度、及び低粗度箔への樹脂の密着性に優れることを意味している。以下の基準に当てはめた結果は表1に示されるとおりであった。
‐評価A:1.2kgf/cm以上
‐評価B:1.0kgf/cm以上でかつ1.2kgf/cm未満
‐評価C:0.8kgf/cm以上でかつ1.0kgf/cm未満
‐評価D:0.8kgf/cm未満
片面積層基板を5cm×5cmのサイズの試験片に切り出し、288℃のはんだ浴に10分間浮かべて膨れの発生有無を観察した。試験片は4枚作製し評価した。以下の基準に当てはめた結果は表1に示されるとおりであった。
‐評価A:全ての試験片で膨れの発生が無い
‐評価C:試験片の1枚以上に直径5mm未満の膨れが1か所以上3か所未満発生
‐評価D:試験片の1枚以上に直径5mm未満の膨れが3か所以上発生、又は
試験片の1枚以上に直径5mm以上の膨れが1か所以上発生
片面積層基板を5cm×6cmのサイズの試験片に切り出し、その一端の1cm×5cmの銅をエッチング除去して持ち手とし、試験片1枚あたり5cm×5cmの銅面積を有する試験片を4枚作製した。試験片の持ち手を冶具に挟み、沸騰した水に沈めて3時間煮沸処理をした。煮沸処理の後、試験片の水滴を拭き取り、260℃のはんだ浴に20秒ディッピング処理し、取り出した試験片の膨れの発生有無を観察した。試験片は4枚作製し評価した。以下の基準に当てはめた結果は表1に示されるとおりであった。
‐評価A:全ての試験片で膨れの発生が無い
‐評価C:試験片の1枚以上に直径5mm未満の膨れが1か所以上3か所未満発生
‐評価D:試験片の1枚以上に直径5mm未満の膨れが3か所以上発生、又は
試験片の1枚以上に直径5mm以上の膨れが1か所以上発生
樹脂フィルムについて、摂動式空洞共振器法により、10GHzにおける誘電正接を測定した。この測定は、樹脂フィルムを共振器のサンプルサイズに合わせて切断した後、測定装置(KEYCOM製共振器及びKEYSIGHT製ネットワークアナライザー)を用い、JIS R 1641に準拠して行った。測定された誘電正接を以下の基準で格付け評価した。結果は表1に示されるとおりであった。
‐評価A:10GHzにおける誘電正接が0.0015未満
‐評価B:10GHzにおける誘電正接が0.0015以上0.0020未満
‐評価C:10GHzにおける誘電正接が0.0020以上0.0040未満
‐評価D:10GHzにおける誘電正接が0.0040以上
Claims (7)
- 重量平均分子量30000以上のアリーレンエーテル化合物と、
熱又は紫外線により反応性を呈する反応性不飽和結合を分子中に有するスチレン系コポリマーと、
を含む、樹脂組成物。 - (i)前記アリーレンエーテル化合物が熱又は紫外線により反応性を呈する反応性不飽和結合を有する、又は(ii)前記樹脂組成物が、熱又は紫外線により反応性を呈する反応性不飽和結合を有する追加のアリーレンエーテル化合物をさらに含む、請求項1に記載の樹脂組成物。
- 前記反応性不飽和結合が、シアネート基、マレイミド基、ビニル基、(メタ)アクリロイル基、エチニル基、及びスチリル基からなる群から選択される少なくとも1種である、請求項1又は2に記載の樹脂組成物。
- 前記スチレン系コポリマーが、前記反応性不飽和結合として、スチリル基を有する、請求項1~3のいずれか一項に記載の樹脂組成物。
- 銅箔と、前記銅箔の少なくとも一方の表面に設けられた請求項1~4のいずれか一項に記載の樹脂組成物を含む樹脂層とを備えた、樹脂付銅箔。
- 前記銅箔の前記樹脂層側の表面における、JIS B0601-2001に準拠して測定される十点平均粗さRzjisが2.0μm以下である、請求項5に記載の樹脂付銅箔。
- 請求項5又は6に記載の樹脂付銅箔を用いて作製された、プリント配線板。
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- 2022-01-26 KR KR1020237021282A patent/KR20230110598A/ko unknown
- 2022-01-26 WO PCT/JP2022/002966 patent/WO2022172759A1/ja active Application Filing
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Patent Citations (7)
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JP2006083364A (ja) * | 2004-08-19 | 2006-03-30 | Mitsubishi Gas Chem Co Inc | 硬化性樹脂組成物および硬化性フィルムおよびフィルム |
WO2016104748A1 (ja) * | 2014-12-26 | 2016-06-30 | 新日鉄住金化学株式会社 | 末端変性可溶性多官能ビニル芳香族共重合体、硬化性樹脂組成物及びこれを用いた光導波路 |
JP2018523725A (ja) * | 2015-10-22 | 2018-08-23 | 廣東生益科技股▲ふん▼有限公司Shengyi Technology Co.,Ltd. | ポリフェニレンエーテル樹脂組成物、それを含むプリプレグ、積層板及びプリント回路基板 |
WO2018181842A1 (ja) * | 2017-03-30 | 2018-10-04 | 新日鉄住金化学株式会社 | 可溶性多官能ビニル芳香族共重合体、その製造方法並びに硬化性樹脂組成物及びその硬化物 |
JP2018168347A (ja) * | 2017-08-25 | 2018-11-01 | 新日鉄住金化学株式会社 | 硬化性樹脂組成物、その硬化物、硬化性複合材料、樹脂付き金属箔、及び回路基板材料用ワニス |
JP2020200427A (ja) * | 2019-06-13 | 2020-12-17 | 旭化成株式会社 | ポリフェニレンエーテル含有樹脂組成物 |
WO2021065964A1 (ja) * | 2019-09-30 | 2021-04-08 | 太陽ホールディングス株式会社 | ポリフェニレンエーテルを含む硬化性組成物、ドライフィルム、プリプレグ、硬化物、積層板、および電子部品 |
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WO2023053749A1 (ja) * | 2021-09-30 | 2023-04-06 | ナミックス株式会社 | 樹脂組成物、接着フィルム、層間接着用ボンディングシート、アンテナ付き半導体パッケージ用樹脂組成物及びアンテナ付き半導体パッケージ |
Also Published As
Publication number | Publication date |
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CN116724066A (zh) | 2023-09-08 |
TW202242025A (zh) | 2022-11-01 |
JPWO2022172759A1 (ja) | 2022-08-18 |
KR20230110598A (ko) | 2023-07-24 |
JP7550248B2 (ja) | 2024-09-12 |
US20240101858A1 (en) | 2024-03-28 |
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