TW201043676A - Adhesive resin composition, layered product using the same, and flexible printed wiring board - Google Patents
Adhesive resin composition, layered product using the same, and flexible printed wiring board Download PDFInfo
- Publication number
- TW201043676A TW201043676A TW099113405A TW99113405A TW201043676A TW 201043676 A TW201043676 A TW 201043676A TW 099113405 A TW099113405 A TW 099113405A TW 99113405 A TW99113405 A TW 99113405A TW 201043676 A TW201043676 A TW 201043676A
- Authority
- TW
- Taiwan
- Prior art keywords
- resin
- resin composition
- epoxy group
- epoxy
- adhesive
- Prior art date
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- 239000000203 mixture Substances 0.000 title claims abstract description 58
- 239000004840 adhesive resin Substances 0.000 title claims abstract description 45
- 229920006223 adhesive resin Polymers 0.000 title claims abstract description 45
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 108
- 125000003700 epoxy group Chemical group 0.000 claims abstract description 82
- 229920001577 copolymer Polymers 0.000 claims abstract description 63
- 229920005989 resin Polymers 0.000 claims abstract description 57
- 239000011347 resin Substances 0.000 claims abstract description 57
- 239000003822 epoxy resin Substances 0.000 claims abstract description 48
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 48
- 239000000178 monomer Substances 0.000 claims abstract description 39
- 239000000853 adhesive Substances 0.000 claims abstract description 29
- 230000001070 adhesive effect Effects 0.000 claims abstract description 29
- 239000013034 phenoxy resin Substances 0.000 claims abstract description 29
- 229920006287 phenoxy resin Polymers 0.000 claims abstract description 29
- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 16
- 239000011342 resin composition Substances 0.000 claims abstract description 15
- 229910052698 phosphorus Inorganic materials 0.000 claims description 45
- 239000011574 phosphorus Substances 0.000 claims description 44
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 42
- 239000003063 flame retardant Substances 0.000 claims description 26
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 22
- 239000004593 Epoxy Substances 0.000 claims description 15
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical group C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 12
- 239000000758 substrate Substances 0.000 claims description 11
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 7
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 claims description 6
- 150000003440 styrenes Chemical class 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 abstract description 16
- 150000002367 halogens Chemical class 0.000 abstract description 16
- 239000003795 chemical substances by application Substances 0.000 abstract description 15
- 150000001875 compounds Chemical class 0.000 abstract description 7
- 239000010410 layer Substances 0.000 description 17
- -1 phosphazene compound Chemical class 0.000 description 14
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 12
- 238000002156 mixing Methods 0.000 description 11
- 239000004848 polyfunctional curative Substances 0.000 description 11
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 10
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 10
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 9
- 239000002253 acid Substances 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
- 238000000576 coating method Methods 0.000 description 8
- 239000011889 copper foil Substances 0.000 description 8
- 239000011888 foil Substances 0.000 description 8
- 239000012790 adhesive layer Substances 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 7
- 230000007423 decrease Effects 0.000 description 7
- 238000011156 evaluation Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 7
- GKTNLYAAZKKMTQ-UHFFFAOYSA-N n-[bis(dimethylamino)phosphinimyl]-n-methylmethanamine Chemical compound CN(C)P(=N)(N(C)C)N(C)C GKTNLYAAZKKMTQ-UHFFFAOYSA-N 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 5
- 239000004734 Polyphenylene sulfide Substances 0.000 description 5
- 150000004985 diamines Chemical class 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 229920000768 polyamine Polymers 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 229920000069 polyphenylene sulfide Polymers 0.000 description 5
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 5
- 239000005977 Ethylene Substances 0.000 description 4
- 238000007334 copolymerization reaction Methods 0.000 description 4
- 239000000539 dimer Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010030 laminating Methods 0.000 description 4
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 4
- 229920001721 polyimide Polymers 0.000 description 4
- MHZGKXUYDGKKIU-UHFFFAOYSA-N Decylamine Chemical compound CCCCCCCCCCN MHZGKXUYDGKKIU-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 3
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 235000021317 phosphate Nutrition 0.000 description 3
- 229920001225 polyester resin Polymers 0.000 description 3
- 239000004645 polyester resin Substances 0.000 description 3
- 230000000379 polymerizing effect Effects 0.000 description 3
- 229920005604 random copolymer Polymers 0.000 description 3
- 229910052707 ruthenium Inorganic materials 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 229920001187 thermosetting polymer Polymers 0.000 description 3
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 3
- 229920002554 vinyl polymer Polymers 0.000 description 3
- PBLZLIFKVPJDCO-UHFFFAOYSA-N 12-aminododecanoic acid Chemical compound NCCCCCCCCCCCC(O)=O PBLZLIFKVPJDCO-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 101100056187 Arabidopsis thaliana WIN1 gene Proteins 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical compound NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 229920000877 Melamine resin Polymers 0.000 description 2
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 description 2
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- 229930182556 Polyacetal Natural products 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
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- 125000003277 amino group Chemical group 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- PXKLMJQFEQBVLD-UHFFFAOYSA-N bisphenol F Chemical compound C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 description 2
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- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 2
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical compound C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 2
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- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 230000009477 glass transition Effects 0.000 description 2
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 description 2
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 2
- 239000011256 inorganic filler Substances 0.000 description 2
- 229910003475 inorganic filler Inorganic materials 0.000 description 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 2
- 150000002576 ketones Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 2
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- RPQRDASANLAFCM-UHFFFAOYSA-N oxiran-2-ylmethyl prop-2-enoate Chemical compound C=CC(=O)OCC1CO1 RPQRDASANLAFCM-UHFFFAOYSA-N 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
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- 238000002360 preparation method Methods 0.000 description 2
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- BOVQCIDBZXNFEJ-UHFFFAOYSA-N 1-chloro-3-ethenylbenzene Chemical compound ClC1=CC=CC(C=C)=C1 BOVQCIDBZXNFEJ-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- H—ELECTRICITY
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- H05K3/00—Apparatus or processes for manufacturing printed circuits
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- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/302—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising aromatic vinyl (co)polymers, e.g. styrenic (co)polymers
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- B32B7/04—Interconnection of layers
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- C—CHEMISTRY; METALLURGY
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- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J125/00—Adhesives 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; Adhesives based on derivatives of such polymers
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-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J171/00—Adhesives based on polyethers obtained by reactions forming an ether link in the main chain; Adhesives based on derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09J7/00—Adhesives in the form of films or foils
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- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/35—Heat-activated
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Description
201043676 六、發明說明: 【發明所屬之技術領域】 板等之可撓 之可撓性印 S亞胺膜等之 i緣膜之單面 之物。如此 脂等與丙烯 i中調配阻燃 联特別區分, f熱性、耐藥 Γ高接著性並 、V - 0等級之 ^來由於環境 ¥類、多磷酸 菲-1 0氧化物 Z代鹵系阻燃 本發明係有關一種適用於可撓性覆銅積擇 性印刷配線板的接著性樹脂組成物,及使用ΐ 刷配線板、以及接著片、包覆層等之積層體。 【先前技術】
—般而言,可撓性印刷配線板係以由聚酸 耐熱性膜所構成之絕緣膜作爲基材,並在該稀 或雙面將銅箔等以接著劑貼合之構造作爲基才 之接著劑,向來係使用在環氧樹脂或苯氧樹 酸、聚醯胺、聚酯等熱可塑性樹脂之掺和樹辟 劑的接著劑。環氧樹脂或苯氧樹脂(以下,如I 亦有通稱爲「環氧/苯氧樹脂」之情形)具有砸 性、賦予機械強度之功能,熱可塑性樹脂具, 賦予柔軟性之功能。 阻燃劑在UL-94規格中要求VTM-0等級 高阻燃性。以往係使用鹵系阻燃劑,然而近与 汙染之問題,便成爲使用磷酸酯、磷酸酯醯月3 三聚氰胺、多磷酸銨、9,10-二氫-9-氧雜-10-膦 及其衍生物、磷腈化合物等之磷系阻燃劑以耳 劑。 然而,僅爲該等之磷系阻燃劑,爲了要滿足UL-94規 格中所要求的VTM-0等級、V-0等級之高阻燃性,相較於 使用鹵系阻燃劑時,需有大量的調配量。然而,隨著磷系 201043676 阻燃劑之調配量的增加而使接著性及機械強度降低。 爲了解決如此問題,近年來則有以利用磷的阻燃效果 之樹脂來抑制磷系阻燃劑的調配量之提案。 例如在專利文獻1(日本特開2003-176470號公報)中提 案一種非鹵系接著性樹脂組成物,其係使用含磷之環氧樹 脂,再以含磷之苯氧樹脂作爲部分的熱可塑性樹脂,使組 成物中之含磷率成爲2重量%以上者。 並且,在專利文獻2(日本特開2005-248 1 34號公報)中 ❹ 提案一種接著劑樹脂組成物,其係作爲阻燃性優異之非鹵 系接著性樹脂組成物而使用非鹵系環氧樹脂、聚酯樹脂、 丙烯酸樹脂、含羧基之丙烯腈丁二烯橡膠等之熱可塑性樹 脂及/或合成橡膠、硬化劑、磷酸酯化合物等之含磷化合物 者。 並且’在專利文獻3(W001/60938號公報)中提案一種 接著性樹脂組成物,其係包含環氧樹脂、硬化劑、與環氧 〇 樹脂爲非相溶性之高分子化合物者。與環氧樹脂爲非相溶 性之高分子化合物可使用含有環氧基等之官能基的重量平 均分子量在10萬以上之丙烯酸共聚物。 先前技術文獻 專利文獻 [專利文獻1]日本特開2003-176470號公報 [專利文獻2]日本特開2005-248 1 34號公報 [專利文獻3]W00 1 /6093 8號公報 201043676 【發明內容】 發明所欲解決之問題 有各種提案如上述之各種阻燃性優異的可撓性印刷配 線板用之非鹵系接著性樹脂組成物。然而,爲了因應對汽 車周邊等的可撓性印刷配線板適用用途的擴大及更加以輕 量化、狹小空間的收納對應等,而有必要進一步提高阻燃 性、耐熱性、耐藥性、機械強度。解決手段雖有考慮環氧/ _ 苯氧樹脂之增量、含磷之環氧/含磷之苯氧樹脂之調配、更 Ο 高分子量之環氧/苯氧樹脂之調配,惟此舉卻陷至接著性降 低、相溶性不佳的另一困境。如相溶性差,假設經強制混 合使之分散,以塗布中會使調配成分分離、或產生凝聚/凝 膠化而使塗布不均等之理由,成爲無法獲得所期待之接著 強度等的特性、或製品間之品質不一的原因。 本發明係鑑於上述情形而實施者,以其爲目的而提供 一種阻燃性優異之非鹵系接著性樹脂組成物,並可獲得優 〇 異之剝離強度的接著性樹脂組成物,以及使用它之積層 體、可撓性印刷配線板。 用以解決問題之手段 本發明者等經各種檢討之結果發現’經由調配特定量 的含環氧基之苯乙烯系共聚物,在無損及環氧/苯氧樹脂與 熱可塑性樹脂以及與含環氧基之苯乙烯系共聚物的相溶 性’可大爲改善接著性,遂而完成本發明。 亦即,本發明之接著性樹脂組成物,係包含(A)環氧樹 201043676 脂及/或苯氧樹脂;(B)含有供予環氧基之單體單元及苯乙烯 系單體單元之含環氧基的苯乙烯系共聚物;(C)熱可塑性樹 脂;(D)硬化劑,其中相對於該樹脂組成物中所含樹脂成分 之總量,上述(B)含環氧基之苯乙烯系共聚物的含有率爲3 至2 5質量%。 上述(B)含環氧基之苯乙烯系共聚物係重量平均分子 量在5000至120000,上述(B)中之上述苯乙烯系單體單元 的含有率以3 5至9 8質量%爲佳,相對於樹脂成分之總量, 〇 上述苯乙烯系單體單元之含有率以1至20質量%爲佳。 上述(B)含環氧基之苯乙烯系共聚物可再含有丙烯腈 單體單元。而且,環氧當量以250g/eq以上3500 g/eq以下 爲佳,供予環氧基之單體以(甲基)丙烯酸縮水甘油酯爲佳。 上述(A)環氧樹脂及/或苯氧樹脂係以含磷之環氧樹脂 及/或含磷之苯氧樹脂爲佳,因可賦予阻燃性之點而佳。並 可再含有磷系阻燃劑,相對於樹脂組成物之固形物,含磷 Q 率以設爲3.1至4.5質量%爲佳。 本發明之積層體係在基材膜上具有由上述本發明之接 著性樹脂組成物所構成之接著層者’進而含有該積層體之 可撓性印刷配線板亦包含在本發明中。 發明之效果 本發明之接著性樹脂組成物’由於所調配之樹脂成分 間的相溶性優異,故可提供一種塗布性、保存安定性優異’ 且可發揮所期待之接著強度、機械特性、化學特性的單液 201043676 性接著劑溶液。 【實施方式】 用以實施發明之型態 以下說明本發明之實施型態,然此次經揭示之實施型 態之所有點應認定均爲例示並非限定者。本發明之範圍係 依專利申請範圍所示,意指包含與專利申請範圍均等之意 以及範圍內之所有變更者。 接著性樹脂組成物 〇 本發明之接著性樹脂組成物係包含(A)環氧樹脂及/或 苯氧樹脂;(B)含有供予環氧基之單體單元及苯乙烯系單體 單元之苯乙烯系共聚物;(C)熱可塑性樹脂;以及(D)硬化 劑’且樹脂成分中之上述(B)含環氧基之苯乙烯系共聚物的 含有率在所定範圍內者。 以下,對各成分依序進行說明。 (A)環氧樹脂及/或苯氧樹脂 〇 本發明中使用之環氧樹脂如爲1分子中具有至少2個 環氧基之樹脂即可,可列舉如:雙酚A型環氧樹脂、雙酚 F型環氧樹脂、縮水甘油醚型環氧樹脂、縮水甘油酯型環 氧樹脂、縮水甘油胺型環氧樹脂、酚醛清漆型環氧樹脂、 甲酚酚醛清漆型環氧樹脂等,較佳者係在該等之環氧樹脂 中使用反應性磷化合物使磷原子結合的含磷之環氧樹脂。 含磷之環氧樹脂經由發揮磷的阻燃效果即可減少非鹵系阻 燃劑的含量,其結果,可防止隨著阻燃劑的調配而使接著 .201043676 強度及機械強度降低的情形,因而爲佳。然而因隨著磷含 量的增加使得與其它樹脂之相溶性有變差之傾向,因此在 含磷之環氧樹脂、含磷之苯氧樹脂時,相對於組入磷之環 氧樹脂、苯氧樹脂之各質量,磷含有率以設爲2至6質量% 者爲佳。 含磷之環氧樹脂、含磷之苯氧樹脂可使用市售品,其 例可列舉如:東都化成製造之FX289、FX305、ERF001、大 ^ 日本油墨化學工業(股)製造之EPICRON EXA9710等。 〇 對於分類爲苯氧猶脂之分子量高的環氧樹脂亦同。使 用苯氧樹脂或分子量高的環氧樹脂之接著劑係有以下優 點:包覆層或接著片等中之半硬化時的硬化度之控制容 易、壽命長等;或在短時間之加熱下即可得到所期望之接 著性以及機械特性;在CCL製造或FPC製造中爲高生產性 且流動特性優異等,因而爲佳。 環氧樹脂、苯氧樹脂之重量平均分子量並無特別限 ❹ 定’然環氧樹脂之分子量愈高,與其它樹脂之相溶性有變 差之傾向’而苯氧樹脂之該傾向更強,因此該等樹脂之重 量平均分子量’較佳者係因應所使用之種類以與相溶性之 關係而適當決定》 樹脂、苯氧樹脂可僅使用1種,亦可將2種以上混合 使用。並可將環氧樹脂與苯氧樹脂混合使用。 另外’本發明之接著性樹脂組成物中之(A)成分的含有 率雖無特別限定,然爲了獲得良好之耐熱性、耐藥性、機 201043676 械特性,在組成物所含樹脂成分之中,以使(A)成分的含有 率爲最多者爲佳,具體而言,相對於樹脂組成物中所含樹 脂成分之質量(在含有(A)成分、(B)成分、(C)成分之總量, 進一步含有其它樹脂時,亦加上該樹脂後之量),以設爲40 至70質量%者爲佳。 (B)含有環氧基之苯乙烯系共聚物 本發明中使用之含有環氧基之苯乙烯系共聚物係供予 環氧基之單體、苯乙烯系單體,以及因應必要之其它共聚 〇 性不飽和單體經共聚而成之共聚物。 供予環氧基之單體如爲具有共聚性之不飽和鍵,且在 側鏈上具有環氧基之化合物即可,較佳者可使用含有縮水 甘油基之不飽和單體。具體上可列舉如:丙烯酸縮水甘油 酯、甲基丙烯酸縮水甘油酯、衣康酸單縮水甘油酯、丁烯 三羧酸單縮水甘油酯等之不飽和羧酸之縮水甘油酯;乙烯 基縮水甘油醚、烯丙基縮水甘油醚、縮水甘油氧乙基乙烯 Q 基醚等之縮水甘油醚類等,該等之中’以丙烯酸縮水甘油 酯、甲基丙烯酸縮水甘油酯爲適用。 苯乙烯系單體除了苯乙烯之外,亦包含鄰·、間-、對-甲基苯乙烯、二甲基苯乙烯、乙基苯乙烯、氯苯乙烯等之 核取代苯乙烯;甲基苯乙烯' α-氯苯乙烯、/3-氯苯乙 烯等之苯乙烯衍生物。該等之中以苯乙烯爲佳。 其它之共聚性不飽和單體並無特別限定,然可列舉 如:乙烯、丙烯等之烯烴類;乙酸乙烯酯、丙酸乙烯酯、 -10- 201043676 乙烯基苯甲酸乙烯酯等之乙烯酯類;丙烯酸、甲基丙烯酸、 衣康酸、馬來酸等之α、θ不飽和羧酸或其鹽;(甲基)丙 烯酸甲酯、(甲基)丙烯酸乙酯、(甲基)丙烯酸丙酯等之(甲 基)丙烯酸烷基酯;丙烯醯胺、甲基丙烯醯胺等之醯胺;丙 烯腈等之腈類等。該等之共聚性不飽和單體可因應必要而 與供予環氧基之單體、苯乙烯系單體一起使用。 特別是,在使用丙烯腈作爲其它之共聚性不飽和單體 時,因相溶性、接著強度提高而佳。 Ο 另外,含有具胺基、羧基之單體單元的含環氧基之苯 乙烯系共聚物,保存時會成爲慢慢地進行硬化反應之原 因,而有損及接著劑之適用期(pot life)的情形,因此,含 有胺基、羧基之單體單元的含量宜少。並且,由於丁二烯 等之成爲所謂橡膠成分的二烯系單體會成爲耐候性、耐熱 性降低之原因,因此不宜含有。 由於本發明所使用之含環氧基的苯乙烯系共聚物係使 Q 上述單體共聚而成者,因而可爲供予環氧基之單體與苯乙 烯系單體之無規共聚物,亦可爲供予環氧基之單體聚合而 成的鏈段與苯乙烯系單體聚合而成的鏈段結合成之嵌段共 聚物、接枝共聚物。在具有其它共聚性不飽和單體單元時, 可爲供予環氧基之單體、苯乙烯系單體以及其它共聚性不 飽和單體共聚成無規狀之共聚物,亦可爲使供予環氧基之 單體聚合而成的鏈段、苯乙烯系單體聚合而成的鏈段以及 其它之乙烯系單體聚合而成的鏈段經適當組合之嵌段共聚 -11- 201043676 物,亦可爲供予環氧基之單體聚合而成之鏈段、苯乙烯系 單體與乙烯系單體無規共聚而成之鏈段的嵌段共聚物。 含環氧基之苯乙烯系共聚物(B)的重量平均分子量並 無特別限制,以5000至120000左右爲佳,以6000至90000 更佳,尤以8000至2 8000又更佳。分子量過高時,相溶性 變差而難以獲得均勻的接著劑溶液。 含環氧基之苯乙烯系共聚物(B)的替代,一般亦以相溶 ^ 性優異之單體的狀態調配,並經由加熱使聚合物化而進 〇 行,然而因反應耗費時間、或反應不足的單體以及剩餘的 反應起始劑或反應促進劑影響硬化物之特性,或保存時反 應漸進而凝膠化等,會有保存安定性之問題而不佳。因此, 宜使用進展一定程度之反應的重量平均分子量5 000以上之 含環氧基的苯乙烯系共聚物(B)。 含環氧基之苯乙烯系共聚物(B)的環氧當量以250 g/eq 以上、3 500g/eq以下爲佳,以3000g/eq以下更佳,以2000g/eq Q 以下又更佳。超出3500g/eq時,雖依分子量而異,然有相 溶性變差的情形,其結果使接著性樹脂組成物之均質性減 低,進而有接著性、阻燃性降低之傾向。因此,含環氧基 之苯乙烯系共聚物(B)中的供予環氧基之單體含有率雖依 含環氧基之苯乙烯系共聚物(B)之分子量而異,惟以將環氧 當量設在上述範圍內者爲佳。 另外,亦可將具有環氧基以外之官能基的單體在共聚 後取代爲環氧基而得到相同之含環氧基的聚合物。然而, -12- 201043676 將環氧當量爲3500g/eq以下,以3000g/eq以下爲佳,以 2000g/eq以下更佳之組入高濃度的環氧基之聚合物進行合 成時,由於供予環氧基之單體進行聚合者較爲容易而有所 期待。 含環氧基之苯乙烯系共聚物(B)中的苯乙烯系單體單 元之含有率以35至98質量%爲佳,以45至96質量%更佳。 苯乙烯系單體單元之含有率變低時,所得接著性樹脂組成 ^ 物之接著性有降低之傾向。另外,苯乙烯系單體單元之含 〇 有率過高時,供予環氧基之單體單元的含有率相對地變 小,因此,與作爲(A)成分之環氧樹脂及/或苯氧樹脂的相 溶性、以及與作爲(C)成分之熱可塑性樹脂的相溶性降低, 而難以調製均勻溶液型的接著劑,進一步造成接著性的降 低。 在含環氧基之苯乙烯系共聚物中,如包含供予環氧基 之單體單元、苯乙烯系單體單元以外的其它之共聚性單體 〇 單元時,其它之共聚性單體單元之含有率小於40質量%。 並且作爲其它之共聚性不飽和單體單元而含有丙烯腈時, 共聚系中之丙烯腈的量增多時,則未反應之丙烯腈單體容 易殘留並含在含環氧基之苯乙烯共聚物中,且會產生不良 影響,因此,含環氧基之苯乙烯共聚物中的丙烯腈之含有 率以設在1至20質量%爲佳,並以1至15質量%更佳。 具有如上構造的含環氧基之苯乙烯系共聚物可使用市 售品,可列舉例如:日油(股)之MarproofG系列等。 -13- 201043676 具有如上構造的(B)含環氧基之苯乙烯系共聚物,對作 爲(A)成分之環氧樹脂及/或苯氧樹脂與作爲(C)成分之熱可 塑性樹脂雙方具有良好的相溶性,可提供均一性、保存安 定性良好之接著劑溶液,更且,基於均一性高之接著劑溶 液而可發揮高的接著性。更進一步,經由(B)含環氧基之苯 乙烯系共聚物中的環氧基而可與(A)成分形成交聯構造,因 而可賦予優異之機械特性。 接著性樹脂組成物中之(B)含環氧基之苯乙烯系共聚 〇 物的含有率,相對於樹脂組成物中所含的樹脂成分(在含有 (A)成分、(B)成分、(C)成分之總量,進一步含有其它樹脂 時,亦加上該樹脂之量)爲3至25質量%,以3至20質量% 爲佳,以5至16質量%更佳。小於3質量%時,無法得到 經含環氧基之苯乙烯系共聚物的調配所提高之接著性效 果。另一方面,超出25質量%時,與(A)成分、(C)成分之 相溶性減低,進一步成爲作爲接著劑之保存安定性、接著 Q 強度降低之因素。 (B)含環氧基之苯乙烯系共聚物中的苯乙烯系單體單 元之含有率,相對於樹脂組成物中所含的樹脂成分之量(在 含有(A)成分、(B)成分、(C)成分之總量,進一步含有其它 樹脂時,亦加上該樹脂之量)以設爲1至20質量%爲佳,以 3至15質量%更佳,又以4至12質量%尤佳。 (C)熱可塑性樹脂 熱可塑性樹脂(C)並無特別限定,可列舉例如:丙烯酸 -14- 201043676 樹脂、聚苯乙烯系共聚物、聚醯胺樹脂、聚醯 脂、聚酯樹脂、聚碳酸酯樹脂、聚苯醚樹脂、 脂(聚苯硫醚、聚苯硫醚酮、聚苯硫醚颯等)、j 楓、聚醚颯等)、聚醚醯亞胺樹脂(聚-N-甲醯基 脂等)、聚醚醚酮等、聚甲醛樹脂(聚甲醛樹脂等: 肪族聚酮樹脂、丙酮甲醛樹脂、丙酮糠醛樹脂 脂等)等。該等可單獨使用或將2種以上倂用。 _ 該等熱可塑性樹脂中,如考量(A)環氧樹ί 〇 樹脂、(Β)含環氧基之苯乙烯系共聚物雙方的相 性,則以聚醯胺樹脂爲適用。 分子中組入磷之熱可塑性樹脂因阻燃性優 阻燃劑之調配量,並可防止因阻燃劑的調配所 度降低的情形,因而爲佳。市售之含磷的熱可 列舉例如:東洋紡公司製造之VYLON 237、337 UR3570 等。 Q 聚醯胺樹脂可經二羧酸、二胺、胺基羧酸 之反應而合成,不僅限於1種二羧酸與二胺之 使用複數個二羧酸與複數個二胺進行合成。 二羧酸之例可列舉如:對苯二甲酸、間苯 苯二甲酸、萘二羧酸(1,5 -、2,5-、2,6-以及2,7-二羧酸(2,2’-、3,3’-以及 4,4’-體)、4,4’-二苯基 4,4’-二苯基甲烷二羧酸、4,4’-二苯基颯二羧酸 氧基)乙烷-4,4’-二羧酸、2,5-蒽二羧酸(2,5-以; 胺醯亞胺樹 聚苯硫醚樹 聚颯樹脂(聚 伸乙亞胺樹 >、酮樹脂(脂 、環狀酮樹 丨旨及/或苯氧 溶性及接著 異而可減少 導致接著強 塑性樹脂可 、537、637、 、內醯胺等 反應,亦可 二甲酸、鄰 體)酸、聯苯 醚二羧酸、 、1,2-雙(苯 泛2,6-體)、 -15- 201043676 伸苯二乙酸(鄰-、間-以及對-體)、伸苯二丙酸(鄰-' 間-以 及對-體)、苯基丙二酸、苯基戊二酸以及二苯基丁二酸、 乙二酸、丙二酸、丁二酸、戊二酸、己二酸、癸二酸、癸 烷-二羧酸、順丁烯二酸、反丁烯二酸以及亞甲基丁二酸、 1,3-環丁烷二羧酸、1,3·環戊烷二羧酸、1,4-環己烷二羧酸、 1,2-環己烷二羧酸、1,3-二羧甲基環己烷、1,4-二羧甲基環 己烷、二環己基-4,4’-二羧酸以及二聚酸等。 Λ 上述二胺之例可列舉如:六亞甲二胺、七亞甲二胺、 〇 對-二-胺甲基環己烷、雙(對-胺基環己基)甲烷、間-二甲苯 二胺、1,4-雙(3-胺基丙氧基)環己烷、哌嗪、異佛爾酮二胺 等。 上述胺基羧酸之例可列舉如:Π-胺基十一烷酸、12-胺基十二烷酸、4-胺基甲基苯甲酸、4-胺基甲基環己烷羧 酸、7-胺基庚酸、9-胺基壬酸等。 上述內醯胺之例可列舉如:ε -己內醯胺、ω -月桂醯 〇 胺、α -吡咯啶酮、α -哌啶酮等。 該等之中,特別是構成成分中含有二聚酸的聚醯胺, 可由常法之二聚酸與二胺經縮聚而得,此時,亦可含有二 聚酸以外之己二酸、壬二酸或癸二酸等二羧酸作爲共聚成 分。 如上述之熱可塑性樹脂係以玻璃轉移溫度爲70°C以下 者爲適用。此係因玻璃轉移溫度過高時會使操作性減低之 故。並且,玻璃轉移溫度過高時,接著性會有降低之傾向。 -16 - 201043676 (D) 硬化劑 硬化劑如爲可使用作爲環氧樹脂、苯氧樹脂之硬化劑 者即可,可使用聚胺系硬化劑、酸酐系硬化劑、三氟化硼 胺錯鹽、咪唑系硬化劑、芳香族二胺系硬化劑、羧酸系硬 化劑、酚樹脂等。 聚胺系硬化劑之例可列舉如:二乙三胺、四乙四胺等 脂肪族胺系硬化劑;異佛爾酮二胺等脂環式胺系硬化劑; 二胺基二苯基甲烷、伸苯二胺等芳香族胺系硬化劑;二氰 ❹ 二醯胺等。酸酐系硬化劑之例可列舉如:苯二甲酸酐、均 苯四甲酸酐、偏苯三酸酐、六氫苯二甲酸酐等。 硬化劑之調配量可依照環氧樹脂及/或苯氧樹脂之環 氧當量而適當決定。 (E) 其它 本發明之接著性樹脂組成物除了作爲(A)成分之環氧 樹脂及/或苯氧樹脂、作爲(B)成分之含環氧基之苯乙烯系共 Q 聚物、作爲(C)成分之熱可塑性樹脂、以及作爲(D)成分之 硬化劑以外,可再添加其它環氧樹脂以外之熱硬化樹脂, 例如:酚樹脂、三聚氰胺樹脂、噁畊樹脂等。 亦可含有非鹵系阻燃劑,較佳者可含有磷系阻燃劑。 本發明中可使用之非鹵系阻燃劑之例可列舉如:磷酸 酯、磷酸酯醯胺、磷腈、9,10-二氫-9-氧雜-10-膦菲-10-氧 化物等磷系化合物。由磷濃度及溶劑之溶解性的觀點而 言’該等之中,以磷腈爲適用。磷腈係具有磷與氮爲構成 -17- 201043676 元素之雙鍵的化合物群之慣用名稱,只要分子中具有磷腈 構造之化合物’則無特別限定。可爲環狀構造之環磷腈, 並將此開環聚合而得的鏈狀聚合物、低聚物。 使含有非鹵系阻燃劑時,因含有率增大而使接著性降 低,因此,每100質量份之樹脂,非鹵系阻燃劑之最大者 宜爲30質量份以下。 另外’作爲非鹵系阻燃劑之氫氧化鎂、氫氧化鋁等之 _ 金屬氫氧化物(無機充塡物)將成爲接著性降低之因素,因 〇 此不宜包含在內》 [接著性樹脂組成物之調製] 本發明之接著性樹脂組成物的調製係調配有上述之(A) 至(D)成分,因應必要,可再調配其它之熱硬化性樹脂、非 鹵系阻燃劑、以及其它之添加劑。 接著性樹脂組成物宜調製成其中之磷含有率爲3.1至 4.5質量%者。 Q 亦可適當地調配硬化促進劑、矽烷偶合劑、流平劑、 消泡劑等,如添加硬化促進劑,會使接著劑之使用期變短 而有看出接著性降低的傾向,因而不宜調配。並且,無機 充塡劑之添加會有使接著性、遷移(migration)特性降低之傾 向,因而不宜調配。 本發明之接著性樹脂組成物,一般係溶解於有機溶劑 中,可使用作爲接著劑溶液。有機溶劑方面可使用甲苯、 甲醇、乙醇、異丙醇、丙酮、二氧雜環戊烷、己烷、三乙 -18- 201043676 胺、乙酸異丁酯、乙酸丁酯、乙酸乙酯、甲基乙基酮(ΜΕΚ)、 甲基異丁酮、溶纖素、乙二醇、二甲基甲醯胺(DMF)、二甲 苯、Ν-甲基吡咯啶酮等。 接著劑溶液中之固形物濃度亦依塗布方式而異,以作 成10至50質量%爲佳。 具有如上構造之本發明的接著性樹脂組成物,經由作 爲(Β)成分之含環氧基的苯乙烯系共聚物的共存,可提供各 樹脂成分不分離•凝聚而爲均句混合之高接著性的單液性 ❹ 接著劑。 [用途] 具有如上構造之本發明的接著性樹脂組成物,爲非鹵 系,可提供UL-94規格之V-0等級、VTM-0等級之阻燃性 充足,可發揮優異接著性之溶液型的接著劑溶液,因此可 作爲接著片、包覆層等之積層體及可撓性印刷配線板等使 用之接著劑。 Q 特別是,本發明之接著性樹脂組成物’在作爲透明溶 液型之接著劑時之保存性優異,因此作爲塗布基材膜上所 使用之溶液型接著劑可適合在生產線上使用。 可撓性印刷配線板係經由上述本發明的接著性樹脂組 成物之硬化物之絕緣膜與金屬箔’貼附於複數層所成者。 亦即,在絕緣膜上塗布本發明之接著性樹脂組成物並使之 乾燥(半硬化狀態),進一步層積金屬箔後’經由加熱硬化 而製作者(所謂的三層積板);在絕緣膜上塗布本發明之接 -19- .201043676 著性樹脂組成物並使之乾燥(半硬化狀態),將接著層之露 出面以所謂隔離片之絕緣膜包覆者(所謂的包覆層);在隔 離片上或基材膜上塗布本發明之接著性樹脂組成物並使之 乾燥(半硬化狀態),層積以隔離片包覆露出面者(所謂的接 著片)等,經由加熱硬化即可形成可撓性印刷配線板。另 外,隔離片可在層積時去除。 此處,半硬化狀態係指在具有接著性之狀態下,經由 將本發明之接著性樹脂組成物在例如1 00至1 80°C下加熱2 〇 分鐘即可形成。加熱硬化狀態係指經由將半硬化狀態之接 著層在例如140至180°C下加熱10分鐘至數小時,進一步 因應所需進行加壓而形成的熱硬化性樹脂(環氧樹脂)與硬 化劑經加熱反應而硬化之狀態。較佳之加熱時間係依該接 著劑之構成成分、用途(例如基板、包覆層或黏合膜等)而 異。 本發明之三層基板係可在絕緣膜之至少單面上貼附金 Q 屬箔,除了由絕緣性膜、接著層、金屬箔層所構成之3層 構造(所謂的三層單面基板)之外,亦可爲由金屬箔、接著 層、電絕緣膜、接著層、金屬箔層所構成之5層構造(所謂 的三層雙面基板)。 絕緣膜可列舉如:聚醯亞胺膜、聚酯膜、聚醚醚酮膜、 聚苯硫醚膜等。 金屬箔可列舉如:銅箔、鋁箔等,以銅箔爲適用。 包覆層膜係可撓性敷銅積層板之銅箔經加工而形成配 -20- 201043676 線圖案後,爲保護該配線而作爲被覆該配線圖案形成面之 材料所使用之積層體,在絕緣膜上經層積由本發明之接著 性樹脂組成物所成之半硬化狀態的接著層者。通常,在接 著層上貼附著具有脫模性之隔離片。 接著片係指將隔離片、與依情形之基材膜、以及由本 發明之接著性樹脂組成物所成之半硬化狀態的接著層積層 而成者,係使用在基板的層積、或補強板的貼附。上述基 材膜可因應用途而爲以聚醯亞胺膜等之耐熱性、絕緣性的 Ο 膜或玻璃纖維強化樹脂片、不織布等作爲基材之預浸物。 [實施例] 將用以實施本發明之最佳型態由實施例進行說明。實 施例並非限定本發明之範圍者。 [接著性樹脂組成物之測定評估方法] (1) 相溶性 將所調製之接著劑溶液以肉眼觀察,如得到透明溶液 Q (惟包含磨玻璃之程度的不透明度)者爲「〇」:產生白濁 並放置1週後可見到分離者爲「△」;即使強制攪拌混合, 2小時內仍產生分離層者爲「X」。 (2) 剝離強度 在厚度25;am之聚醯亞胺膜表面塗布所調製之接著劑 溶液使乾燥後成爲20jczm之厚度,並在15(TC下乾燥2分 鐘,形成半硬化狀態之接著層。在該半硬化狀態之接著層 上層積厚度18ym之壓延銅箔後,在熱壓器中以3MPa之 21 - 201043676 壓力於1 60°C加熱40分鐘,作成可撓性印刷配線板。對製 成之可撓性印刷配線板依nS C 648 1之基準,在23 °C中從 銅箔測拉取,測定從聚醯亞胺膜剝離時之剝離強度(N/cm)。 另外,剝離強度超出20N/cm時,因銅箔斷裂而無法測 定。 (3)阻燃性 使用(2)所製之聚醯亞胺膜與半硬化狀態之接著層的 _ 層積物在無層積銅箔並於160°C、無施予壓力下加熱40分 〇 鐘者,依UL-94之基準進行阻燃性的評估試驗。然後在上 述規格中爲合格(V-0等級)者記爲「OK」;不合格者記爲 「NG」。 [接著性樹脂組成物No. 1至13之調製以及評估] 以表1所示之比例調配聚醯胺樹脂(C)、含磷之環氧/ 苯氧樹脂(A)、含環氧基之苯乙烯系共聚物(B)’進一步添 加作爲阻燃劑之磷腈以及硬化劑,在溶媒(甲基乙基酮以及 Q 二甲基甲醯胺)中攪拌溶解,調製爲固形物濃度30質量%之 接著劑溶液N 〇 . 1至1 3。 含磷之環氧/苯氧樹脂係使用東都化成之含磷環氧 FX289與含磷苯氧ERF001的1: 1混合物;含環氧基之苯 乙烯系共聚物中的No.l至8係使用日油(股)之「Marproof G 0 2 5 0 S j (分子量20000、環氧當量310g/eq’含環氧基之苯 乙烯系共聚物中的苯乙烯單體單元之含有率爲54質量 %); No.9 至 13 係使用「BlemmerCP5SA」(分子量 10000、 -22- 201043676 環氧當量2500g/eq,含環氧基之苯乙烯共聚物中的苯乙烯 單體單元之含有率爲85質量%、丙烯腈單體單元之含有率 爲10質量%)。磷腈係使用大塚化學製造之SPB 100,相對 於接著性樹脂組成物的固形物,其調配量係使磷含有率成 爲3.5質量%而決定。硬化劑係使用三菱化學公司製造之偏 苯三酸,調配由環氧當量所計算之適當量。 對於所調製之接著劑溶液No. 1至1 3,以上述評估方法 爲基準’測定相溶性以及剝離強度。將測定結果與樹脂調 ❹ 配組成合倂呈不於表1。
-23- 201043676 [表1]
CO § § 26.7 22.7 X <N 2 § ο § 〇 >20 § X § 13.3 CO r—| 〇 >20 Ο s 00 JO 〇 00 〇 >20 σ> S § 〇 CO 卜 id 〇 17.4 00 § § g 33.3 o 00 X V 卜 s s 穿 26.7 14.4 X (N CO CO § ο 20.0 10.8 < tH ai in 8 § 13.3 M 〇 >20 寸 § 1C 00 Ο 寸 ιό 〇 >20 CO § ο 0¾ 〇 卜 CD CO CO 〇 14.8 CQ s ΙΟ ① 1〇 00 CO 00 r-! 〇 10.3 rH s ο ο 〇 Ο O 〇 (N 〇 聚醯胺(c) 含磷之環氧輝氧樹 脂㈧ 毅 K! 忉β 齡 條 β ^ KJ ^ A- ®w φ » 链# gg脉 am πχ» •N 酹脉 纓4π 酿g a -η- ^ ^ Φ »W Um 相溶性 剝離強度(N/cm) -24- 201043676 由表1可知,隨著含環氧基之苯乙烯系共聚物的含量 增大,相溶性降低。相對於接著性樹脂組成物中之樹脂成 分((A)成分、(B)成分、(C)成分之總量),含環氧基之苯乙 烯系共聚物的含有率爲20質量%(Νο·6)時,接著劑溶液之 透明性受損’更且,含環氧基之苯乙烯系共聚物的含有率 超出25質量%時,(Νο.7、8、13)與接著劑溶液即分離爲2 層,而無法直接塗布在基材膜上。 另外’與Νο·6相同的含環氧基之苯乙嫌系共聚物的含 〇 有率爲20質量%之No.12,因含有作爲其它共聚不飽和單 體之丙烯腈而改善相溶性,並維持透明性。另一方面,剝 離強度係隨著含環氧基之苯乙烯系共聚物的含量增大而有 提高之傾向。 因此,可知爲有效地獲得由含環氧基之苯乙烯系共聚 物的剝離強度增大效果,相對於樹脂成分量,含環氧基之 苯乙烯系共聚物的含有率以3至25質量%爲有效果,以3 Q 至20質量%更佳。 [接著性樹脂組成物No.21至30之調製以及評估] 將含有表2所示比例之具有如表2所示特性的含環氧 基之苯乙烯系共聚物在溶媒(甲基乙基酮以及二甲基甲醯 胺)中攪拌溶解,調製爲固形物濃度30質量%之接著劑溶液 No.21至28(樹脂成分中的含環氧基之苯乙烯系共聚物的含 有率爲6.7質量%)。 另外,No.21至25所使用之含環氧基之苯乙烯系共聚 -25- • 201043676 物係縮水甘油基(甲基)丙烯酸酯與苯乙烯之無規共聚物; No .26、27所使用之含環氧基之苯乙烯系共聚物係縮水甘油 基(甲基)丙烯酸酯、苯乙烯、丙烯腈之三維共聚物·,No. 28 係No.21所使用之含環氧基之苯乙烯系共聚物與No. 23所 使用之含環氧基之苯乙烯系共聚物的1: 1混合物。 而且’聚醯胺樹脂、含磷之環氧樹脂以及阻燃劑係使 用與接著性樹脂組成物No. 1相同之物。 而且’爲作比較’使用無調配有作爲(B)成分之含環氧 Ό 基之苯乙烯系共聚物的No.28、29,並與No.21之相同做法, 調製接著劑溶液。 對所調製之接著劑溶液’依據上述評估方法測定評估 相溶性、剝離強度及阻燃性。將測定結果與樹脂調配組成 及含環氧基之苯乙烯系共聚物特性合倂呈示於表2。 -26- 201043676 [表2]
w 100 200 〇 1 1 1 1 I Ο CO 〇 寸 CD NG 05 100 200 〇 1 1 1 1 I ΙΟ CO 〇 (N (N OK 00 <N 100 180 § 14500 1 420 寸 CO <D CO CO 〇 12.6 OK 100 180 10000 2500 1〇 00 i〇 ι> 1C l〇 CO 〇 17.4 OK <N 100 180 1 looooo! 3300 1〇 00 \Ω ΙΟ \〇 CO 〇 0〇 OK l〇 <N 100 180 § 100000 | 3300 C0 ① 寸 寸 cd l〇 CO < 12.6 OK 寸 (N 100 180 § 100000 1700 (N σ» 00 rH CO CO < 14.6 OK CO <N 100 180 § 20000 丨31〇 1 寸 λ〇 O CO i〇 CO 〇 14.8 Γ〇κ <N 100 180 ] ί _1 § 11000 1000 CO 00 00 i〇 l〇 CO 〇 14.9 1 1 ok 53 100 180 |9000 530 CO δ ⑦ »〇 CO 〇 rH OK 0 聚醯胺(c) 含磷之環氧職 樹脂(A) 苯乙烯系共聚物(B) 重量平均分子量 環氧當量(g/eq) •hi tR 螂^ IS承 S m N3條 <10 •Ν 1R S3淡 iij w條 s Φ 堪 am 匿 N Ml· € 豳剩 gil· S 裝掛 組成物中之磷含有率(質量%) 相溶性 剝離強度(N/cm) 阻燃性 樹脂組成 (份) 苯乙烯系 共聚物之 特性 評估 -27- 201043676 無調配含有環氧基之苯乙烯系共聚物的樹脂組成物 (No.29)無法有充足之剝離強度。阻燃劑含量的減少雖可增 大剝離強度,然其改善程度不足,因此磷含有率過低時已 無法使阻燃性充足(No.30)。 另外,調配有含環氧基之苯乙烯系共聚物的本發明之 實施例的樹脂組成物(No.21至28)均滿足阻燃性,可確保高 的接著強度。然而,如重量平均分子量高至10萬且苯乙烯 單體單元之含有率變高時,相溶性有變差之傾向(No.24、
D 25)。然而,即便使用分子量爲10萬之含環氧基之苯乙烯 系共聚物時,使用含有丙烯腈的含環氧基之苯乙烯系共聚 物的No.26、27之相溶性良好。 [產業上之可利用性] 本發明之接著性樹脂組成物的接著性、阻燃性優異’ 並且在生產線上,均無因製品間的接著性不均而導致之問 題、或在每次開始使用時所必須進行的攪拌、裝置清洗等 Q 之使用期或保存性之問題,可用於生產線等之連續性、間 歇性之用途。 【圖式簡單說明】 無0 【主要元件符號說明】 /firr 無0 -28-
Claims (1)
- 201043676 七、申請專利範圍·· 1. 一種接著性樹脂組成物,係包含(A)環氧樹脂及/或苯氧樹 脂;(B)含有供予環氧基之單體單元及苯乙烯系單體單元 之含環氧基的苯乙烯系共聚物;(C)熱可塑性樹脂;(D)硬化 劑,其中相對於該接著性樹脂組成物中所含樹脂成分之 總量’上述(B)含環氧基之苯乙烯系共聚物的含有率爲3 至2 5質量%。 2. 如申請專利範圍第1項之接著性樹脂組成物,其中上述(B) ❹ 含環氧基之苯乙烯系共聚物的重量平均分子量爲5000至 1 20000,且上述苯乙烯系單體單元之含有率爲35至98 質量%。 3 ·如申請專利範圍第1項之接著性樹脂組成物,其中相對 於上述接著性樹脂組成物中所含樹脂成分之總量,上述 苯乙烯系單體單元之含有率爲1至20質量%。 4. 如申請專利範圍第1項之接著性樹脂組成物,其中上述(B) Q 含環氧基之苯乙烯系共聚物進一步含有丙烯腈單體單 元。 5. 如申請專利範圍第1項之接著性樹脂組成物,其中上述(B) 含環氧基之苯乙烯系共聚物的環氧當量爲 250g/eq以 上、3500g/eq 以下。 6. 如申請專利範圍第1項之接著性樹脂組成物,其中上述(B) 含環氧基之苯乙烯系共聚物中的供予環氧基之單體爲(甲 基)丙烯酸縮水甘油酯。 -29- 201043676 7. 如申請專利範圍第1項之接著性樹脂組成物,其中上 環氧樹脂及/或苯氧樹脂係含隣之環氧樹脂及/或含 苯氧樹脂。 8. 如申請專利範圍第1項之接著性樹脂組成物,其中 步含有磷系阻燃劑,且相對於樹脂組成物之固形物 磷率爲3.1至4.5質量%。 9. 一種積層體,係基材膜上具有由如申請專利範圍第1 項中任一項之接著性樹脂組成物所構成之接著層者 Ο 1 〇.—種可撓性印刷配線板,係含有如申請專利範圍第 之積層體者。 〇 述(A) 磷之 進一 ,含 至8 9項 -30- 201043676 四、指定代表圖: (一) 本案指定代表圖為:無。 (二) 本代表圖之元件符號簡單說明: 姐。五、本案若有化學式時,請揭示最能顯示發明特徵的化學式:
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| JP2009111505A JP2010260924A (ja) | 2009-04-30 | 2009-04-30 | 接着性樹脂組成物並びにこれを用いた積層体及びフレキシブル印刷配線板 |
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| US (1) | US20120043118A1 (zh) |
| JP (1) | JP2010260924A (zh) |
| KR (1) | KR20120026473A (zh) |
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| EP2770023B1 (en) * | 2013-02-26 | 2016-08-31 | LG Chem, Ltd. | Non-halogen flame retardant styrene resin composition |
| DE102019209754A1 (de) * | 2019-07-03 | 2021-01-07 | Tesa Se | Thermisch härtender Klebstoff und daraus hergestelltes Klebeband |
| KR102658294B1 (ko) * | 2019-09-09 | 2024-04-16 | 주식회사 두산 | 밀봉 시트 및 이를 포함하는 반도체 장치 |
| CN112795168B (zh) * | 2020-12-11 | 2022-08-19 | 金发科技股份有限公司 | 一种聚苯醚树脂组合物及其制备方法和应用 |
| CN115851203A (zh) * | 2022-12-22 | 2023-03-28 | 烟台德邦科技股份有限公司 | 一种用于低表面能材料粘接的环氧胶粘剂 |
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| DE3224689C1 (de) * | 1982-07-02 | 1984-01-26 | Th. Goldschmidt Ag, 4300 Essen | Verfahren zum Flexibilisieren von Epoxidharzen |
| US4868244A (en) * | 1988-12-27 | 1989-09-19 | General Electric Company | Low-gloss carbonate polymer blends |
| EP0518447B1 (en) * | 1991-06-12 | 1996-11-13 | Tonen Corporation | Thermoplastic resin composition |
| JPH0641506A (ja) * | 1992-07-24 | 1994-02-15 | Nippon Oil & Fats Co Ltd | エネルギ―線硬化型接着剤 |
| JP3603426B2 (ja) * | 1995-11-21 | 2004-12-22 | 日立化成工業株式会社 | 回路用接続部材 |
| WO1999009101A1 (en) * | 1997-08-19 | 1999-02-25 | Minnesota Mining And Manufacturing Company | Conductive epoxy resin compositions, anisotropically conductive adhesive films and electrical connecting methods |
| JP4109863B2 (ja) * | 2001-12-12 | 2008-07-02 | 東海ゴム工業株式会社 | フレキシブル印刷配線板用難燃性接着剤組成物およびそれを用いたフレキシブル印刷配線板 |
| JP4238124B2 (ja) * | 2003-01-07 | 2009-03-11 | 積水化学工業株式会社 | 硬化性樹脂組成物、接着性エポキシ樹脂ペースト、接着性エポキシ樹脂シート、導電接続ペースト、導電接続シート及び電子部品接合体 |
| JP2009013416A (ja) * | 2003-01-07 | 2009-01-22 | Sekisui Chem Co Ltd | 硬化性樹脂組成物、接着性エポキシ樹脂ペースト、接着性エポキシ樹脂シート、導電接続ペースト、導電接続シート及び電子部品接合体 |
| JP3685791B2 (ja) * | 2003-08-08 | 2005-08-24 | 日東電工株式会社 | 鋼板用貼着シート |
| JP2008258429A (ja) * | 2007-04-05 | 2008-10-23 | Sekisui Chem Co Ltd | 絶縁フィルム、電子部品装置の製造方法及び電子部品装置 |
| JP5150361B2 (ja) * | 2007-05-17 | 2013-02-20 | 株式会社フジクラ | エポキシ系接着剤、カバーレイ、プリプレグ、金属張積層板、プリント配線基板 |
| KR20100009538A (ko) * | 2007-10-05 | 2010-01-27 | 히다치 가세고교 가부시끼가이샤 | 접착제 조성물 및 이것을 이용한 회로 접속 재료, 및 회로 부재의 접속 방법 및 회로 접속체 |
| JP2009132879A (ja) * | 2007-11-02 | 2009-06-18 | Toray Ind Inc | 接着剤組成物およびそれを用いたカバーレイフィルム |
| CN101747854B (zh) * | 2008-12-04 | 2012-11-21 | 比亚迪股份有限公司 | 胶粘剂组合物以及覆盖膜和柔性线路板 |
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2009
- 2009-04-30 JP JP2009111505A patent/JP2010260924A/ja active Pending
-
2010
- 2010-03-26 KR KR1020117022067A patent/KR20120026473A/ko not_active Withdrawn
- 2010-03-26 CN CN201080018788.9A patent/CN102414287B/zh active Active
- 2010-03-26 WO PCT/JP2010/055312 patent/WO2010125879A1/ja not_active Ceased
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| CN102414287B (zh) | 2014-07-30 |
| WO2010125879A1 (ja) | 2010-11-04 |
| CN102414287A (zh) | 2012-04-11 |
| KR20120026473A (ko) | 2012-03-19 |
| US20120043118A1 (en) | 2012-02-23 |
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