WO2022085398A1 - ポリイミド樹脂前駆体、ポリイミド樹脂、金属張り積層板、積層体及びフレキシブルプリント配線板 - Google Patents
ポリイミド樹脂前駆体、ポリイミド樹脂、金属張り積層板、積層体及びフレキシブルプリント配線板 Download PDFInfo
- Publication number
- WO2022085398A1 WO2022085398A1 PCT/JP2021/036515 JP2021036515W WO2022085398A1 WO 2022085398 A1 WO2022085398 A1 WO 2022085398A1 JP 2021036515 W JP2021036515 W JP 2021036515W WO 2022085398 A1 WO2022085398 A1 WO 2022085398A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- polyimide resin
- metal
- bis
- mol
- aminophenoxy
- Prior art date
Links
- 239000009719 polyimide resin Substances 0.000 title claims abstract description 187
- 229920001721 polyimide Polymers 0.000 title claims abstract description 155
- 239000002243 precursor Substances 0.000 title claims abstract description 71
- 150000008065 acid anhydrides Chemical class 0.000 claims abstract description 26
- 150000004985 diamines Chemical class 0.000 claims abstract description 24
- GTDPSWPPOUPBNX-UHFFFAOYSA-N ac1mqpva Chemical compound CC12C(=O)OC(=O)C1(C)C1(C)C2(C)C(=O)OC1=O GTDPSWPPOUPBNX-UHFFFAOYSA-N 0.000 claims abstract description 12
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 claims abstract description 11
- QHDSBTKCTUXBEG-UHFFFAOYSA-N 2-[2-(2-aminophenoxy)phenoxy]aniline Chemical compound NC1=CC=CC=C1OC1=CC=CC=C1OC1=CC=CC=C1N QHDSBTKCTUXBEG-UHFFFAOYSA-N 0.000 claims abstract description 11
- UMGYJGHIMRFYSP-UHFFFAOYSA-N 2-(4-aminophenyl)-1,3-benzoxazol-5-amine Chemical compound C1=CC(N)=CC=C1C1=NC2=CC(N)=CC=C2O1 UMGYJGHIMRFYSP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000010410 layer Substances 0.000 claims description 69
- 229910052751 metal Inorganic materials 0.000 claims description 52
- 239000002184 metal Substances 0.000 claims description 50
- 239000011888 foil Substances 0.000 claims description 49
- 229920006259 thermoplastic polyimide Polymers 0.000 claims description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 238000010521 absorption reaction Methods 0.000 claims description 26
- 239000000758 substrate Substances 0.000 claims description 22
- 230000003746 surface roughness Effects 0.000 claims description 15
- 239000012787 coverlay film Substances 0.000 claims description 10
- JVERADGGGBYHNP-UHFFFAOYSA-N 5-phenylbenzene-1,2,3,4-tetracarboxylic acid Chemical compound OC(=O)C1=C(C(O)=O)C(C(=O)O)=CC(C=2C=CC=CC=2)=C1C(O)=O JVERADGGGBYHNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000012790 adhesive layer Substances 0.000 claims description 6
- ANSXAPJVJOKRDJ-UHFFFAOYSA-N furo[3,4-f][2]benzofuran-1,3,5,7-tetrone Chemical compound C1=C2C(=O)OC(=O)C2=CC2=C1C(=O)OC2=O ANSXAPJVJOKRDJ-UHFFFAOYSA-N 0.000 claims description 6
- WUPRYUDHUFLKFL-UHFFFAOYSA-N 4-[3-(4-aminophenoxy)phenoxy]aniline Chemical compound C1=CC(N)=CC=C1OC1=CC=CC(OC=2C=CC(N)=CC=2)=C1 WUPRYUDHUFLKFL-UHFFFAOYSA-N 0.000 claims description 5
- JCRRFJIVUPSNTA-UHFFFAOYSA-N 4-[4-(4-aminophenoxy)phenoxy]aniline Chemical compound C1=CC(N)=CC=C1OC(C=C1)=CC=C1OC1=CC=C(N)C=C1 JCRRFJIVUPSNTA-UHFFFAOYSA-N 0.000 claims description 4
- DKKYOQYISDAQER-UHFFFAOYSA-N 3-[3-(3-aminophenoxy)phenoxy]aniline Chemical compound NC1=CC=CC(OC=2C=C(OC=3C=C(N)C=CC=3)C=CC=2)=C1 DKKYOQYISDAQER-UHFFFAOYSA-N 0.000 claims description 3
- UKJLNMAFNRKWGR-UHFFFAOYSA-N cyclohexatrienamine Chemical group NC1=CC=C=C[CH]1 UKJLNMAFNRKWGR-UHFFFAOYSA-N 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 57
- 239000011889 copper foil Substances 0.000 description 43
- 238000005259 measurement Methods 0.000 description 40
- 230000005540 biological transmission Effects 0.000 description 24
- 239000002904 solvent Substances 0.000 description 19
- 238000000034 method Methods 0.000 description 18
- 238000011156 evaluation Methods 0.000 description 16
- 230000000052 comparative effect Effects 0.000 description 13
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 12
- 229910052802 copper Inorganic materials 0.000 description 12
- 239000010949 copper Substances 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 12
- 238000001035 drying Methods 0.000 description 11
- 239000012298 atmosphere Substances 0.000 description 10
- 239000000203 mixture Substances 0.000 description 9
- 238000010030 laminating Methods 0.000 description 8
- 239000011347 resin Substances 0.000 description 8
- 229920005989 resin Polymers 0.000 description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 7
- 230000008859 change Effects 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 7
- 238000007654 immersion Methods 0.000 description 7
- 238000000691 measurement method Methods 0.000 description 7
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 6
- -1 carboxylic acid dianhydride Chemical class 0.000 description 6
- 238000005530 etching Methods 0.000 description 5
- QYIMZXITLDTULQ-UHFFFAOYSA-N 4-(4-amino-2-methylphenyl)-3-methylaniline Chemical group CC1=CC(N)=CC=C1C1=CC=C(N)C=C1C QYIMZXITLDTULQ-UHFFFAOYSA-N 0.000 description 4
- NVKGJHAQGWCWDI-UHFFFAOYSA-N 4-[4-amino-2-(trifluoromethyl)phenyl]-3-(trifluoromethyl)aniline Chemical group FC(F)(F)C1=CC(N)=CC=C1C1=CC=C(N)C=C1C(F)(F)F NVKGJHAQGWCWDI-UHFFFAOYSA-N 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000013256 coordination polymer Substances 0.000 description 4
- HLBLWEWZXPIGSM-UHFFFAOYSA-N 4-Aminophenyl ether Chemical compound C1=CC(N)=CC=C1OC1=CC=C(N)C=C1 HLBLWEWZXPIGSM-UHFFFAOYSA-N 0.000 description 3
- KMKWGXGSGPYISJ-UHFFFAOYSA-N 4-[4-[2-[4-(4-aminophenoxy)phenyl]propan-2-yl]phenoxy]aniline Chemical compound C=1C=C(OC=2C=CC(N)=CC=2)C=CC=1C(C)(C)C(C=C1)=CC=C1OC1=CC=C(N)C=C1 KMKWGXGSGPYISJ-UHFFFAOYSA-N 0.000 description 3
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 150000008064 anhydrides Chemical class 0.000 description 3
- WKDNYTOXBCRNPV-UHFFFAOYSA-N bpda Chemical group C1=C2C(=O)OC(=O)C2=CC(C=2C=C3C(=O)OC(C3=CC=2)=O)=C1 WKDNYTOXBCRNPV-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 3
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 2
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 description 2
- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 description 2
- ZBMISJGHVWNWTE-UHFFFAOYSA-N 3-(4-aminophenoxy)aniline Chemical compound C1=CC(N)=CC=C1OC1=CC=CC(N)=C1 ZBMISJGHVWNWTE-UHFFFAOYSA-N 0.000 description 2
- XUSNPFGLKGCWGN-UHFFFAOYSA-N 3-[4-(3-aminopropyl)piperazin-1-yl]propan-1-amine Chemical compound NCCCN1CCN(CCCN)CC1 XUSNPFGLKGCWGN-UHFFFAOYSA-N 0.000 description 2
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- AJYDKROUZBIMLE-UHFFFAOYSA-N 4-[2-[2-[2-(4-aminophenoxy)phenyl]propan-2-yl]phenoxy]aniline Chemical compound C=1C=CC=C(OC=2C=CC(N)=CC=2)C=1C(C)(C)C1=CC=CC=C1OC1=CC=C(N)C=C1 AJYDKROUZBIMLE-UHFFFAOYSA-N 0.000 description 2
- HESXPOICBNWMPI-UHFFFAOYSA-N 4-[2-[4-[2-(4-aminophenyl)propan-2-yl]phenyl]propan-2-yl]aniline Chemical compound C=1C=C(C(C)(C)C=2C=CC(N)=CC=2)C=CC=1C(C)(C)C1=CC=C(N)C=C1 HESXPOICBNWMPI-UHFFFAOYSA-N 0.000 description 2
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- SHXBKOTUGHTKLV-UHFFFAOYSA-N benzene-1,2,4,5-tetracarboxylic acid;dihydrate Chemical compound O.O.OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O SHXBKOTUGHTKLV-UHFFFAOYSA-N 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- SWXVUIWOUIDPGS-UHFFFAOYSA-N diacetone alcohol Chemical compound CC(=O)CC(C)(C)O SWXVUIWOUIDPGS-UHFFFAOYSA-N 0.000 description 2
- KZTYYGOKRVBIMI-UHFFFAOYSA-N diphenyl sulfone Chemical compound C=1C=CC=CC=1S(=O)(=O)C1=CC=CC=C1 KZTYYGOKRVBIMI-UHFFFAOYSA-N 0.000 description 2
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000002576 ketones Chemical class 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 239000002798 polar solvent Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000000930 thermomechanical effect Effects 0.000 description 2
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical compound C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 description 1
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 1
- ZWVMLYRJXORSEP-UHFFFAOYSA-N 1,2,6-Hexanetriol Chemical compound OCCCCC(O)CO ZWVMLYRJXORSEP-UHFFFAOYSA-N 0.000 description 1
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 description 1
- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- WERYXYBDKMZEQL-UHFFFAOYSA-N 1,4-butanediol Substances OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 1
- 125000001140 1,4-phenylene group Chemical group [H]C1=C([H])C([*:2])=C([H])C([H])=C1[*:1] 0.000 description 1
- SXYRTDICSOVQNZ-UHFFFAOYSA-N 1-(2-methoxyethoxy)ethanol Chemical compound COCCOC(C)O SXYRTDICSOVQNZ-UHFFFAOYSA-N 0.000 description 1
- RRQYJINTUHWNHW-UHFFFAOYSA-N 1-ethoxy-2-(2-ethoxyethoxy)ethane Chemical compound CCOCCOCCOCC RRQYJINTUHWNHW-UHFFFAOYSA-N 0.000 description 1
- JOLQKTGDSGKSKJ-UHFFFAOYSA-N 1-ethoxypropan-2-ol Chemical compound CCOCC(C)O JOLQKTGDSGKSKJ-UHFFFAOYSA-N 0.000 description 1
- VOZKAJLKRJDJLL-UHFFFAOYSA-N 2,4-diaminotoluene Chemical compound CC1=CC=C(N)C=C1N VOZKAJLKRJDJLL-UHFFFAOYSA-N 0.000 description 1
- SBASXUCJHJRPEV-UHFFFAOYSA-N 2-(2-methoxyethoxy)ethanol Chemical compound COCCOCCO SBASXUCJHJRPEV-UHFFFAOYSA-N 0.000 description 1
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
- WFSMVVDJSNMRAR-UHFFFAOYSA-N 2-[2-(2-ethoxyethoxy)ethoxy]ethanol Chemical compound CCOCCOCCOCCO WFSMVVDJSNMRAR-UHFFFAOYSA-N 0.000 description 1
- WAEVWDZKMBQDEJ-UHFFFAOYSA-N 2-[2-(2-methoxypropoxy)propoxy]propan-1-ol Chemical compound COC(C)COC(C)COC(C)CO WAEVWDZKMBQDEJ-UHFFFAOYSA-N 0.000 description 1
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 1
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 1
- 229940093475 2-ethoxyethanol Drugs 0.000 description 1
- HCGFUIQPSOCUHI-UHFFFAOYSA-N 2-propan-2-yloxyethanol Chemical compound CC(C)OCCO HCGFUIQPSOCUHI-UHFFFAOYSA-N 0.000 description 1
- POSWICCRDBKBMH-UHFFFAOYSA-N 3,3,5-trimethylcyclohexan-1-one Chemical compound CC1CC(=O)CC(C)(C)C1 POSWICCRDBKBMH-UHFFFAOYSA-N 0.000 description 1
- NBAUUNCGSMAPFM-UHFFFAOYSA-N 3-(3,4-dicarboxyphenyl)phthalic acid Chemical compound C1=C(C(O)=O)C(C(=O)O)=CC=C1C1=CC=CC(C(O)=O)=C1C(O)=O NBAUUNCGSMAPFM-UHFFFAOYSA-N 0.000 description 1
- LXJLFVRAWOOQDR-UHFFFAOYSA-N 3-(3-aminophenoxy)aniline Chemical compound NC1=CC=CC(OC=2C=C(N)C=CC=2)=C1 LXJLFVRAWOOQDR-UHFFFAOYSA-N 0.000 description 1
- QCAHUFWKIQLBNB-UHFFFAOYSA-N 3-(3-methoxypropoxy)propan-1-ol Chemical compound COCCCOCCCO QCAHUFWKIQLBNB-UHFFFAOYSA-N 0.000 description 1
- ICNFHJVPAJKPHW-UHFFFAOYSA-N 4,4'-Thiodianiline Chemical compound C1=CC(N)=CC=C1SC1=CC=C(N)C=C1 ICNFHJVPAJKPHW-UHFFFAOYSA-N 0.000 description 1
- YBRVSVVVWCFQMG-UHFFFAOYSA-N 4,4'-diaminodiphenylmethane Chemical compound C1=CC(N)=CC=C1CC1=CC=C(N)C=C1 YBRVSVVVWCFQMG-UHFFFAOYSA-N 0.000 description 1
- XZYQBYQGHHGXBC-UHFFFAOYSA-N 4-(1,3-benzoxazol-2-yl)aniline Chemical compound C1=CC(N)=CC=C1C1=NC2=CC=CC=C2O1 XZYQBYQGHHGXBC-UHFFFAOYSA-N 0.000 description 1
- AIVVXPSKEVWKMY-UHFFFAOYSA-N 4-(3,4-dicarboxyphenoxy)phthalic acid Chemical compound C1=C(C(O)=O)C(C(=O)O)=CC=C1OC1=CC=C(C(O)=O)C(C(O)=O)=C1 AIVVXPSKEVWKMY-UHFFFAOYSA-N 0.000 description 1
- LFBALUPVVFCEPA-UHFFFAOYSA-N 4-(3,4-dicarboxyphenyl)phthalic acid Chemical compound C1=C(C(O)=O)C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)C(C(O)=O)=C1 LFBALUPVVFCEPA-UHFFFAOYSA-N 0.000 description 1
- JPZRPCNEISCANI-UHFFFAOYSA-N 4-(4-aminophenyl)-3-(trifluoromethyl)aniline Chemical compound C1=CC(N)=CC=C1C1=CC=C(N)C=C1C(F)(F)F JPZRPCNEISCANI-UHFFFAOYSA-N 0.000 description 1
- HHLMWQDRYZAENA-UHFFFAOYSA-N 4-[4-[2-[4-(4-aminophenoxy)phenyl]-1,1,1,3,3,3-hexafluoropropan-2-yl]phenoxy]aniline Chemical compound C1=CC(N)=CC=C1OC1=CC=C(C(C=2C=CC(OC=3C=CC(N)=CC=3)=CC=2)(C(F)(F)F)C(F)(F)F)C=C1 HHLMWQDRYZAENA-UHFFFAOYSA-N 0.000 description 1
- HYDATEKARGDBKU-UHFFFAOYSA-N 4-[4-[4-(4-aminophenoxy)phenyl]phenoxy]aniline Chemical group C1=CC(N)=CC=C1OC1=CC=C(C=2C=CC(OC=3C=CC(N)=CC=3)=CC=2)C=C1 HYDATEKARGDBKU-UHFFFAOYSA-N 0.000 description 1
- VQVIHDPBMFABCQ-UHFFFAOYSA-N 5-(1,3-dioxo-2-benzofuran-5-carbonyl)-2-benzofuran-1,3-dione Chemical compound C1=C2C(=O)OC(=O)C2=CC(C(C=2C=C3C(=O)OC(=O)C3=CC=2)=O)=C1 VQVIHDPBMFABCQ-UHFFFAOYSA-N 0.000 description 1
- 229910016847 F2-WS Inorganic materials 0.000 description 1
- ALQSHHUCVQOPAS-UHFFFAOYSA-N Pentane-1,5-diol Chemical compound OCCCCCO ALQSHHUCVQOPAS-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- UWHCKJMYHZGTIT-UHFFFAOYSA-N Tetraethylene glycol, Natural products OCCOCCOCCOCCO UWHCKJMYHZGTIT-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000001089 [(2R)-oxolan-2-yl]methanol Substances 0.000 description 1
- CXISKMDTEFIGTG-UHFFFAOYSA-N [4-(1,3-dioxo-2-benzofuran-5-carbonyl)oxyphenyl] 1,3-dioxo-2-benzofuran-5-carboxylate Chemical compound C1=C2C(=O)OC(=O)C2=CC(C(OC=2C=CC(OC(=O)C=3C=C4C(=O)OC(=O)C4=CC=3)=CC=2)=O)=C1 CXISKMDTEFIGTG-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- HFACYLZERDEVSX-UHFFFAOYSA-N benzidine Chemical group C1=CC(N)=CC=C1C1=CC=C(N)C=C1 HFACYLZERDEVSX-UHFFFAOYSA-N 0.000 description 1
- 235000019445 benzyl alcohol Nutrition 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- OWBTYPJTUOEWEK-UHFFFAOYSA-N butane-2,3-diol Chemical compound CC(O)C(C)O OWBTYPJTUOEWEK-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229940019778 diethylene glycol diethyl ether Drugs 0.000 description 1
- 229940028356 diethylene glycol monobutyl ether Drugs 0.000 description 1
- XXJWXESWEXIICW-UHFFFAOYSA-N diethylene glycol monoethyl ether Chemical compound CCOCCOCCO XXJWXESWEXIICW-UHFFFAOYSA-N 0.000 description 1
- 229940075557 diethylene glycol monoethyl ether Drugs 0.000 description 1
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 description 1
- 239000004210 ether based solvent Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229940018564 m-phenylenediamine Drugs 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 1
- JCGNDDUYTRNOFT-UHFFFAOYSA-N oxolane-2,4-dione Chemical compound O=C1COC(=O)C1 JCGNDDUYTRNOFT-UHFFFAOYSA-N 0.000 description 1
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 1
- 229920005575 poly(amic acid) Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 235000013772 propylene glycol Nutrition 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 150000000000 tetracarboxylic acids Chemical class 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- BSYVTEYKTMYBMK-UHFFFAOYSA-N tetrahydrofurfuryl alcohol Chemical compound OCC1CCCO1 BSYVTEYKTMYBMK-UHFFFAOYSA-N 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1042—Copolyimides derived from at least two different tetracarboxylic compounds or two different diamino compounds
-
- 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
- B32B15/088—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 comprising polyamides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1067—Wholly aromatic polyimides, i.e. having both tetracarboxylic and diamino moieties aromatically bound
- C08G73/1071—Wholly aromatic polyimides containing oxygen in the form of ether bonds in the main chain
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1085—Polyimides with diamino moieties or tetracarboxylic segments containing heterocyclic moieties
-
- 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
- H05K1/0313—Organic insulating material
- H05K1/032—Organic insulating material consisting of one material
- H05K1/0346—Organic insulating material consisting of one material containing N
-
- 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
- H05K2201/01—Dielectrics
- H05K2201/0137—Materials
- H05K2201/0154—Polyimide
Definitions
- the present invention relates to a polyimide resin precursor, a polyimide resin, a metal-clad laminate, a laminate, and a flexible printed wiring board.
- Patent Document 1 discloses a polyimide resin having a low dielectric constant, a low dielectric loss tangent, a low linear expansion coefficient, and a low water absorption coefficient corresponding to high-frequency radio waves. Further, the same document discloses a metal-clad laminated board and a flexible printed wiring board using this polyimide resin.
- the transmission loss of an electronic device composed of a metal-clad laminate and a flexible printed wiring board using such a polyimide resin is small.
- the transmission loss can be further reduced by reducing the unevenness (surface roughness) of the rough surface of the metal foil used for the metal-clad laminate.
- a metal-clad laminate using a metal foil having small surface irregularities has a problem that sufficient adhesion cannot be obtained between the metal foil and the polyimide resin layer.
- the present invention has been made in view of the above circumstances, and is a polyimide resin having a low dielectric constant, a dielectric loss tangent, a linear expansion coefficient and a water absorption rate, a metal-clad laminate and a laminate having a high adhesion between a polyimide resin and a metal foil. It is an object of the present invention to provide a flexible printed wiring board having a small transmission loss, and further to provide a polyimide resin precursor constituting the polyimide resin.
- the present inventors have found a polyimide resin precursor containing a specific diamine and a specific acid anhydride in a specific ratio, and a polyimide resin composed of this polyimide resin precursor. , The present invention has been completed by finding that the above object can be achieved.
- a polyimide resin precursor obtained by reacting a diamine with an acid anhydride, wherein the diamine is p-phenylenediamine, bis (aminophenoxy) benzene, and 2- (4-aminophenyl) benzoxazole.
- the acid anhydride contains a biphenyltetracarboxylic acid dianhydride, and the content of the p-phenylenediamine is 30 to 75 mol% with respect to the entire diamine, and the bis (amino) is contained.
- the content of phenoxy) benzene is 10 to 30 mol%
- the content of the 2- (4-aminophenyl) benzoxazole-5-amine is 10 to 50 mol%
- the biphenyltetra is compared with the whole acid anhydride.
- a metal-clad laminate in which a polyimide resin layer composed of a polyimide resin is laminated on a rough surface or a glossy surface of a metal foil, wherein the polyimide resin is the polyimide according to any one of [4] to [8].
- a metal-clad laminate having a surface roughness (Sa) of 0.09 to 0.18 ⁇ m on the rough or glossy surface of the metal foil composed of a resin and on which the polyimide resin layer is laminated.
- a coverlay film composed of a substrate on which wiring is formed and an adhesive layer laminated on one side of the substrate and the substrate is provided, and the adhesive layer is provided on the surface of the substrate on which wiring is formed.
- the polyimide resin precursor of the embodiment can be cured and used as a polyimide resin. Further, this polyimide resin is mainly preferably used for metal-clad laminates, laminates, flexible printed wiring boards and the like. The polyimide resin precursor is also called a polyamic acid.
- the polyimide resin precursor of the embodiment is a polyimide resin precursor obtained by reacting a diamine with an acid anhydride.
- Diamines include p-phenylenediamine, bis (aminophenoxy) benzene, and 2- (4-aminophenyl) benzoxazole-5-amine.
- Acid anhydrides include biphenyltetracarboxylic dianhydrides.
- the content of p-phenylenediamine is 30 to 75 mol%, preferably 50 to 72 mol%, and more preferably 62 to 72 mol% with respect to the entire diamine component.
- the content of p-phenylenediamine is 30 to 75 mol%, the heat resistance of the polyimide resin can be enhanced and the coefficient of linear expansion (hereinafter, also referred to as CTE) can be suppressed to a low level.
- the content of bis (aminophenoxy) benzene is 10 to 30 mol%, preferably 10 to 18 mol%, based on the total components of the diamine.
- the content of bis (aminophenoxy) benzene is 10 to 30 mol%, the adhesion between the polyimide resin and the metal foil is improved, and the dielectric loss tangent and the coefficient of linear expansion can be suppressed low.
- Bis (aminophenoxy) benzene is 1,3-bis (4-aminophenoxy) benzene, 1,4-bis (4-aminophenoxy) benzene, 1 from the viewpoint of improving the adhesion between the polyimide resin and the metal foil.
- 3-Bis (3-aminophenoxy) It is preferable to contain at least one selected from the group consisting of benzene. Further, from the viewpoint of suppressing the dielectric constant to a low level and improving the adhesion between the metal foil having a very small surface roughness and the polyimide resin, 1,3-bis (4-aminophenoxy) benzene is preferable.
- the content of 2- (4-aminophenyl) benzoxazole-5-amine is 10 to 50 mol% with respect to the entire diamine component. Since the content of 2- (4-aminophenyl) benzoxazole-5-amine is 10 to 50 mol%, the dielectric loss tangent and the coefficient of linear expansion can be maintained while maintaining a high adhesion between the polyimide resin and the metal foil. It can be kept low.
- the content of 2- (4-aminophenyl) benzoxazole-5-amine is preferably 10 to 30 mol%, more preferably 10 to 20 mol%.
- the diamine may contain other components in addition to p-phenylenediamine, bis (aminophenoxy) benzene, and 2- (4-aminophenyl) benzoxazole-5-amine.
- Other components include, for example, m-phenylenediamine, 2,4-diaminotoluene, 4,4'-diaminobiphenyl, 4,4'-diamino-2,2'-bis (trifluoromethyl) biphenyl, 3, 3'-diaminodiphenylsulphon, 4,4'-diaminodiphenylsulphon, 4,4'-diaminodiphenylsulfide, 4,4'-diaminodiphenylmethane, 4,4'-diaminodiphenyl ether, 3,4'-diaminodiphenyl ether, 3 , 3'-diaminodiphenyl ether, 4,4'-bis (4-aminoph
- other components include 2,2'-dimethyl-4,4'-diaminobiphenyl, 2,2'-bis (trifluoromethyl) benzidine, 4, from the viewpoint of price and availability. It preferably contains at least one selected from the group consisting of 4'-diaminodiphenyl ether, 3,4'-diaminodiphenyl ether and 2,2-bis (4-aminophenoxyphenyl) propane.
- Other components are selected from the group consisting of 2,2'-dimethyl-4,4'-diaminobiphenyl and 2,2'-bis (trifluoromethyl) benzidine from the viewpoint of keeping the coefficient of linear expansion of the polyimide resin low. It is preferable to contain at least one of these.
- Other components include 2,2'-bis (trifluoromethyl) benzidine, 4,4'-diaminodiphenyl ether, and 1,3-bis [2- (4-aminophenyl), from the viewpoint of reducing the dielectric constant of the polyimide resin.
- 2,2'-bis (trifluoromethyl) benzidine 4,4'-diaminodiphenyl ether
- 1,3-bis [2- (4-aminophenyl) from the viewpoint of reducing the dielectric constant of the polyimide resin.
- 2-propyl] benzene and 1,4-bis [2- (4-aminophenyl) -2-propyl] benzene are preferably contained at least one selected.
- the diamine compound may be used alone or in combination of two or more.
- the acid anhydride contains 78 mol% or more of biphenyltetracarboxylic acid dianhydride with respect to the whole acid anhydride.
- the biphenyltetracarboxylic acid dianhydride is 3,4,3', 4'-biphenyltetracarboxylic acid dianhydride, 2,3,3', 4'-biphenyltetracarboxylic acid dianhydride, 2,3,2. At least one selected from the group consisting of', 3'-biphenyltetracarboxylic acid dianhydride, and above all, 3,4,3', 4'-biphenyltetracarboxylic acid from the viewpoint of keeping the linear expansion coefficient low. Anhydride is preferred.
- the acid anhydride may contain other components in addition to the biphenyltetracarboxylic dianhydride.
- examples of the components of other acid anhydrides include 3,3', 4,4'-benzophenone tetracarboxylic acid dianhydride, 4,4'-oxydiphthalic acid anhydride, 3,3', 4,4'-.
- examples thereof include diphenylsulfone tetracarboxylic acid dianhydride, pyromellitic acid dianhydride, p-phenylenebis (trimeritate anhydride) and the like.
- pyromellitic acid dihydrate is preferable from the viewpoint of suppressing the coefficient of linear expansion of the polyimide resin to a low level.
- the polyimide resin precursor of the embodiment contains 0 to 22 mol% of pyromellitic acid dihydrate.
- the polyimide resin precursor in the embodiment is obtained by polycondensing diamine and acid anhydride by a known method.
- the procedure for manufacturing the polyimide resin precursor is as follows. First, diamine is added to the solvent and then dissolved at room temperature. Next, the acid anhydride is gradually added while stirring the solution. After the addition, the mixture is further stirred at room temperature for 30 minutes or more to obtain a polyimide resin precursor.
- the temperature at the time of stirring is from ⁇ 10 ° C. to a temperature equal to or lower than the boiling point of the solvent, preferably room temperature.
- a solution in which a polyimide resin precursor is dissolved in a solvent is called a polyimide resin precursor solution.
- the solvent used for producing the polyimide resin precursor is not particularly limited as long as it is a solvent that dissolves the polyimide resin precursor.
- the solvent include an aprotonic polar solvent, an ether solvent, a water-soluble alcohol solvent, a water-insoluble alcohol solvent, a ketone solvent and the like.
- the above solvent may be used as a mixture of two or more kinds.
- aprotic polar solvent examples include N-methylpyrrolidone, N, N-dimethylformamide, N, N-dimethylacetamide, dimethyl sulfoxide, hexamethylphosphoraamide and the like.
- ether-based solvents examples include 2-methoxyethanol, 2-ethoxyethanol, 2- (methoxy) ethoxyethanol, 2-isopropoxyethanol, 2-butoxyethanol, tetrahydrofurfuryl alcohol, diethylene glycol, diethylene glycol monomethyl ether, and diethylene glycol monoethyl ether.
- Diethylene glycol monobutyl ether triethylene glycol, triethylene glycol monoethyl ether, tetraethylene glycol, 1-methoxy-2-propanol, 1-ethoxy-2-propanol, dipropylene glycol, dipropylene glycol monomethyl ether, dipropylene glycol mono Examples thereof include ethyl ether, tripropylene glycol monomethyl ether, polyethylene glycol, polypropylene glycol, tetrahydrofuran, dioxane, 1,2-dimethoxyethane, diethylene glycol dimethyl ether, diethylene glycol diethyl ether and the like.
- water-soluble alcohol solvent examples include methanol, ethanol, 1-propanol, 2-propanol, tert-butyl alcohol, ethylene glycol, 1,2-propanediol, 1,3-propanediol, 1,3-butanediol, and 1, , 4-butanediol, 2,3-butanediol, 1,5-pentanediol, 2-butane-1,4-diol, 2-methyl-2,4-pentanediol, 1,2,6-hexanetriol, Examples thereof include diacetone alcohol.
- water-insoluble alcohol solvent examples include benzyl alcohol.
- ketone solvent examples include 1,5,5-trimethyl-3-cyclohexanone. Further, as another solvent, ⁇ -butyrolactone can be mentioned.
- the proportion of the solvent contained in the polyimide resin precursor solution is 70 to 90% by mass, preferably 80, when the entire polyimide resin precursor solution is 100% by mass from the viewpoint of improving processability and appearance. It is ⁇ 90% by mass.
- the viscosity of the polyimide resin precursor solution is 1 to 50 Pa ⁇ s (1000 to 50000 CP), preferably 2 to 30 Pa ⁇ s (2000 to 30000 CP), and more preferably 2 to 20 Pa ⁇ s (2000 to 20000 CP). Is.
- the viscosity is 1 to 50 Pa ⁇ s (1000 to 50000 CP)
- the appearance of the coated surface after the polyimide resin precursor solution is applied to the metal foil is improved.
- the polyimide resin of the embodiment is obtained by curing (imidizing) the polyimide resin precursor.
- a polyimide resin precursor can be obtained by applying a polyimide resin precursor solution onto a substrate such as a copper foil, an aluminum foil, or a glass plate and evaporating the solvent by heating.
- a polyimide resin can be obtained.
- the temperature for imidization is 200 ° C. or higher, preferably 250 ° C. or higher, and more preferably 300 ° C. or higher.
- the heating time is 5 minutes or more, preferably 30 minutes or more.
- the device for applying the polyimide resin precursor solution to the substrate is, for example, a die coater, a comma coater, a gravure coater, a spin coater, a spray coater, or the like.
- the polyimide resin of the embodiment can be used, for example, as a resin constituting a metal-clad laminate or a laminate. Further, by processing the polyimide resin of the embodiment into a film, it can be used as a polyimide film.
- the thickness of the polyimide film is not particularly limited, but is 2 to 125 ⁇ m.
- the polyimide film can be used, for example, as a heat-resistant insulating tape, a coverlay film, a capacitor, or the like.
- the coefficient of linear expansion of the polyimide resin of the embodiment is 30 ppm / K or less, preferably 28 ppm / K or less, and more preferably 25 ppm / K or less.
- the linear expansion coefficient of the polyimide resin is small, so that the polyimide resin exhibits the same behavior as the metal foil. Therefore, the metal-plated laminated board, the laminated body, and the flexible printed wiring board using such a polyimide resin are unlikely to change the laminated structure due to the temperature change, and the transmission loss is small in the flexible printed wiring board.
- the coefficient of linear expansion can be measured using a thermomechanical analyzer TMA.
- the measurement sample is a film-shaped polyimide resin having a thickness of 25 ⁇ m cut into a rectangle having a width of 5 mm and a length of 15 mm.
- the measurement is performed, for example, by measuring a dimensional change in the range of 100 to 200 ° C. at a heating rate of 10 ° C./min.
- the dielectric constant (relative permittivity) of the polyimide resin of the embodiment in the normal state is 3.50 or less, preferably 3.40 or less, and more preferably 3.30 or less.
- the normal state means a state in which the measurement sample is allowed to stand for 24 hours or more in an atmosphere of 23 ° C. and 50% RH.
- the dielectric constant of the polyimide resin of the embodiment after water absorption is 3.60 or less, preferably 3.50 or less, and more preferably 3.40 or less. Since the dielectric constant after water absorption is 3.60 or less, the transmission loss can be reduced regardless of the usage environment of the electronic device.
- the term "after water absorption” refers to a state immediately after the measurement sample is immersed in pure water at 23 ° C. for 24 hours and then the water adhering to the surface of the measurement sample is wiped off.
- the permittivity can be measured by the SPDR method (split post dielectric resonator method).
- the measurement sample is a film-shaped polyimide resin cut into a predetermined size.
- the measurement conditions are, for example, a frequency of 10 GHz under an atmosphere of 23 ° C.
- the dielectric loss tangent of the polyimide resin of the embodiment under normal conditions is 0.0040 or less, preferably 0.0035 or less. By setting the dielectric loss tangent in the normal state to 0.0040 or less, the transmission loss of the flexible printed wiring board can be reduced.
- the dielectric loss tangent of the polyimide resin of the embodiment after water absorption is 0.0080 or less, preferably 0.0070 or less, and more preferably 0.0060 or less. Since the dielectric loss tangent after water absorption is 0.0080 or less, the transmission loss of the flexible printed wiring board can be reduced regardless of the usage environment of the electronic device.
- the dielectric loss tangent can be measured by the same method as the permittivity.
- the water absorption rate of the polyimide resin of the embodiment is 1.5% or less, preferably 1.2% or less, and more preferably 1.0% or less.
- the transmission loss of the flexible printed wiring board can be reduced.
- the reason why a low water absorption rate is preferable is that the dielectric constant and the dielectric loss tangent of water are very high.
- the water absorption rate can be obtained from the mass change before and after immersion in pure water.
- the measurement sample is a film-shaped polyimide resin, which is cut to a predetermined size.
- the measurement sample before immersion was allowed to stand for 30 minutes in an atmosphere of 105 ° C.
- the measurement sample after immersion is immediately after being immersed in pure water at 23 ° C. for 24 hours and then wiping off the water adhering to the surface of the measurement sample.
- Metal-clad laminate In the metal-clad laminate of the embodiment, a polyimide resin layer made of the polyimide resin of the embodiment is laminated on a rough surface or a glossy surface of a metal foil.
- the surface roughness (Sa) of the rough surface or the glossy surface of the metal foil on which the polyimide resin layer is laminated is 0.09 to 0.18 ⁇ m.
- the rough surface or glossy surface of the metal foil on which the polyimide resin layer is laminated is also referred to as a laminated surface or a coated surface.
- the laminated surface or the coated surface may be subjected to a rust preventive treatment or a surface treatment such as a silane coupling agent.
- This metal-clad laminate is also referred to as a single-sided metal-clad laminate.
- the metal foil examples include copper foil, aluminum foil, SUS foil and the like. Copper foil is preferable from the viewpoint of conductivity and circuit processability to metal foil.
- the types of metal foil include electrolytic metal foil and rolled metal foil, and either of them can be used. In the case of a metal-clad laminate used for bending applications, the metal foil is preferably a rolled metal foil.
- the thickness of the metal foil is not particularly limited, but is 2 to 35 ⁇ m.
- the surface roughness (Sa) is the arithmetic mean height and can be obtained according to IS025178.
- the surface roughness of the metal foil of the embodiment (roughness of the surface of the metal foil on which the polyimide resin is laminated) is 0.09 to 0.18 ⁇ m, preferably 0.09 to 0.18 ⁇ m from the viewpoint of reducing transmission loss. It is 0.13 ⁇ m.
- the thickness of the laminated polyimide resin layer is not particularly limited, but is 2 to 100 ⁇ m.
- the adhesion between the metal foil and the polyimide resin layer in the metal-clad laminate of the embodiment is 6 N / cm or more, preferably 8 N / cm or more, and more preferably 10 N / cm or more.
- the metal-clad laminate of the embodiment having such a high adhesion force is unlikely to cause delamination at the interface where the metal foil and the polyimide resin layer are in close contact with each other. As a result, the electronic device composed of the metal-clad laminate of the embodiment becomes highly reliable in long-term use.
- Adhesion strength can be evaluated by measuring the peeling strength (peeling strength). Preparation of the sample and measurement of the peeling strength are performed in accordance with JIS C6471.8.1.
- the peel strength (peel strength) is determined by measuring the strength when the metal foil of the sample is pulled in the 90 ° direction (the direction perpendicular to the copper layer surface of the metal-clad laminate). The measurement condition is that the tensile speed is 50 mm / min.
- the method for manufacturing the metal-clad laminate of the embodiment includes a step of applying a polyimide resin precursor solution to the rough surface side of the metal foil, a step of drying the polyimide resin precursor solution applied to the metal foil, and a polyimide resin precursor. It comprises a step of imidizing the body into a polyimide resin.
- the coating thickness of the polyimide resin precursor solution formed on the metal foil is appropriately set between 2 and 150 ⁇ m.
- the coating device include a comma coater, a die coater, a gravure coater, and the like.
- the polyimide resin precursor solution is applied to the rough surface of the metal foil, but it may be applied to the glossy surface of the metal leaf depending on the application, or the metal foil may be applied. It may be applied to both sides of.
- the temperature is appropriately set in the range of 80 to 200 ° C.
- the drying time is appropriately adjusted depending on the temperature.
- the amount of the residual solvent contained in the polyimide resin precursor after drying is preferably 50% by mass or less with respect to 100% by mass of the resin component of the polyimide resin precursor.
- the polyimide resin precursor spreads over the details of the surface of the metal foil, so that the adhesion between the polyimide resin and the metal foil after imidization of the polyimide resin precursor is improved. improves.
- the temperature is appropriately set in the range of 300 to 400 ° C.
- the time for imidizing the polyimide resin precursor is appropriately adjusted depending on the temperature.
- the metal-clad laminates are laminated on both sides of the layered thermoplastic polyimide resin so that the polyimide resin layers constituting the metal-clad laminate of the embodiment are in contact with each other.
- This laminate is also referred to as a double-sided metal-clad laminate.
- the thermoplastic polyimide resin of the embodiment is a resin that softens when heated to a glass transition temperature (Tg) or higher, and the elastic modulus significantly decreases at Tg or higher.
- the elastic modulus of the thermoplastic polyimide resin can be measured by dynamic viscoelasticity measurement (DMA).
- DMA dynamic viscoelasticity measurement
- the thermoplastic polyimide resin is represented by, for example, diamine represented by 2,2-bis (4- (4-aminophenoxy) phenyl) propane and 3,4,3', 4'-biphenyltetracarboxylic acid dianhydride. It can be obtained by imidizing a thermoplastic polyimide resin precursor obtained by reacting with the acid dianhydride to be obtained.
- thermoplastic polyimide resins include Midfil (trade name) manufactured by Kurabo Industries Ltd., PIAD (trade name) manufactured by Arakawa Chemical Industries, Ltd., Aurum (trade name) manufactured by Mitsui Chemicals, Inc., and the like. Can be mentioned.
- the thermoplastic polyimide resin can be used in the form of a varnish or a sheet. For example, when a varnish-like thermoplastic polyimide resin is applied to a metal foil, the thickness after drying is 3 to 16 ⁇ m. In the case of a sheet, the thickness is 2 to 8 ⁇ m.
- the method for producing the laminate according to the embodiment is a step of applying a thermoplastic polyimide resin precursor solution to the polyimide resin layer constituting the single-sided metal-clad laminate and drying it, and an imidization of the thermoplastic polyimide resin precursor and a thermoplastic polyimide resin.
- the thermoplastic polyimide resin precursor applied to the polyimide resin layer has a thickness of 3 to 3 after drying. It is 16 ⁇ m.
- the coating device can be appropriately selected according to the coating thickness, and examples thereof include a comma coater, a die coater, and a gravure coater.
- the temperature at the time of drying is appropriately set in the range of 80 to 200 ° C. The time is appropriately adjusted according to the set temperature.
- the imidizing temperature is appropriately set in the range of 300 to 400 ° C.
- the time is appropriately adjusted according to the temperature.
- thermoplastic polyimide resin layer In the step of laminating two single-sided metal-clad laminates on which a thermoplastic polyimide resin layer is formed so that the thermoplastic polyimide resin layers are in contact with each other, pressure may be applied when laminating.
- thermocompression bonding is performed by heat pressing or roll laminating.
- the heating temperature is appropriately set in the range of Tg or more and 380 ° C. or less of the thermoplastic polyimide.
- the pressure is appropriately set in the range of 0.5 to 5 MPa.
- the time is appropriately set in the range of 5 sec to 120 min.
- Another method for manufacturing the laminate is a step of laminating a sheet-like thermoplastic polyimide resin on a polyimide resin layer constituting another single-sided metal-clad laminate, and a polyimide resin layer and a sheet-like layer constituting another single-sided metal-clad laminate. It is provided with a step of laminating so as to be in contact with the thermoplastic polyimide resin of the above, and a step of thermally crimping the laminated laminate.
- the flexible printed wiring board of the embodiment includes a substrate on which wiring is formed and a coverlay film composed of a substrate and an adhesive layer laminated on one side of the substrate, and wiring of the substrate is formed.
- the coverlay film is laminated so that the adhesive layer is in contact with the surface thereof, and the substrate is composed of the metal-clad laminate of the embodiment or the laminate of the embodiment.
- the wiring formed on the substrate is, for example, the wiring formed by etching the copper layer of the copper-clad laminate.
- copper instead of copper, it may be composed of other metals such as SUS, aluminum and zinc.
- the thickness of the substrate used for the flexible printed wiring board of the embodiment is 15 to 200 ⁇ m from the viewpoint that the substrate has flexibility.
- the method for manufacturing the flexible printed wiring board of the embodiment is a step of preparing a substrate in which wiring is formed in a metal layer portion constituting a metal-clad laminate and a coverlay film, and bonding to the surface of the substrate in which wiring is formed. It includes a step of laminating the coverlay film so that the material layers are in contact with each other, and a step of thermocompression bonding the laminate in which the coverlay film is laminated on the substrate.
- thermocompression bonding the temperature at the time of thermocompression bonding is appropriately set in the range of 120 to 250 ° C.
- the pressure is appropriately set in the range of 1 to 10 MPa.
- the time is appropriately set in the range of 5 sec to 120 min.
- p-PDA p-phenylenediamine
- TPE-R 1,3-bis (4-aminophenoxy) benzene
- TPE-Q 1,4-bis (4-aminophenoxy) benzene
- APB 1,3-bis (3-aminophenoxy) benzene
- 5ABO 2- (4-aminophenyl) benzoxazole-5-amine
- ODA 4,4'-diaminodiphenyl ether
- m-TB 2,2'-dimethyl-4,4'-diaminobiphenyl
- BAPP 2,2-bis [4- (4-aminophenoxy) phenyl] propane.
- s-BPDA 3,4,3', 4'-biphenyltetracarboxylic acid dianhydride
- PMDA Pyromellitic acid dianhydride
- TAHQ p-phenylene bis (trimeritate anhydride).
- Copper foil Copper foil A: Surface roughness (Sa) of the rough surface of the copper foil (Sa) 0.13 ⁇ m, maximum height (Rz) 0.8 ⁇ m, manufactured by JX Nippon Mining & Metals Co., Ltd., BHM-treated rolled copper foil 12 ⁇ m, Copper foil B: Surface roughness (Sa) of copper foil glossy surface (Sa) 0.18 ⁇ m, maximum height (Rz) 0.8 ⁇ m, manufactured by Fukuda Metal Leaf Powder Industry Co., Ltd., FLEQ HD electrolytic copper foil 12 ⁇ m, Copper foil C: Surface roughness (Sa) of copper foil rough surface (Sa) 0.09 ⁇ m, maximum height (Rz) 0.6 ⁇ m, manufactured by JX Nippon Mining & Metals Co., Ltd., GHY5 treated rolled copper foil 12 ⁇ m, Copper foil D: Surface roughness (Sa) of the rough surface of the copper foil (Sa) 0.30 ⁇ m, maximum height (Rz) 1.2 ⁇ m, manufactured by
- each evaluation method and measurement method was performed by the following methods.
- the adhesion was evaluated by measuring the peeling strength (peeling strength).
- peeling strength peeling strength
- the surface of the copper layer constituting the copper-clad laminate obtained in Examples and Comparative Examples was etched into a predetermined pattern and allowed to stand in an atmosphere of 23 ° C. and 50% RH for 24 hours or more. was used as a measurement sample.
- the predetermined pattern is a pattern in which a plurality of rectangles having a length of 200 mm and a width of 3 mm are arranged in a direction orthogonal to the direction of the length of the rectangle.
- the measurement sample prepared in (1) was measured according to Section 8.1 of JIS C 6471.
- As the measuring device an autograph AGS-500 manufactured by Shimadzu Corporation was used.
- the peel strength in the 90 ° direction was measured.
- the measurement conditions were a test speed of 50 mm / min, and a method of grasping and peeling off one end of the copper layer (copper foil) that had been pulled out (copper foil pulling).
- Evaluation criteria are as follows. Excellent: Peel strength of 10 N / cm or more, Good: Peel strength of 6.0 N / cm or more and less than 10.0 N / cm, Poor: Peel strength is less than 6.0 N / cm.
- CTE Coefficient of linear expansion
- thermomechanical analyzer TMA-60 manufactured by Shimadzu Corporation
- the coefficient of linear expansion in the temperature range of 100 to 200 ° C was calculated from the measurement data of the dimensional change from 100 to 200 ° C.
- the measurement conditions were a load of 5 g and a heating rate of 10 ° C./min.
- Evaluation criteria are as follows. Excellent: 25ppm / K or less, Good: 26ppm / K or more, 30ppm / K or less, Poor: 31ppm / K or more.
- the measurement sample prepared in (1) was attached to a dedicated jig (SPDR fixture) and measured using a Network Analyzer N5230A manufactured by Agilent Technologies.
- the measurement conditions were a frequency of 10 GHz under an atmosphere of 23 ° C.
- Evaluation Criteria (3-1) Evaluation Criteria for Dielectric Permittivity and Dissipation Factor under Normal Conditions
- the evaluation criteria for permittivity under normal conditions are as follows. Excellent: 3.30 or less, Good: 3.31 or more and 3.50 or less, Poor: 3.51 or higher.
- the evaluation criteria for dielectric loss tangent under normal conditions are as follows. Excellent: 0.0035 or less, Good: 0.0036 or more, 0.0040 or less, Poor: 0.0041 or more.
- the water absorption rate was evaluated by measuring the change in mass before and after immersing the sample in pure water.
- Measurement sample All the copper layers (copper foil) constituting the copper-clad laminates obtained in Examples 1 to 13 and Comparative Examples 1 to 21 were removed by etching and cut into a square having a side length of 50 mm. bottom. The measurement sample before immersion was allowed to stand for 30 minutes in an atmosphere of 105 ° C. and cooled to room temperature. The measurement sample after immersion was immersed in pure water at 23 ° C. for 24 hours, and then immediately after wiping off the water adhering to the surface of the measurement sample.
- Evaluation criteria The evaluation criteria for water absorption rate are as follows. Excellent: 1.0% or less, Good: 1.1% or more and 1.5% or less, Poor: 1.6% or more.
- ⁇ Transmission loss> A dedicated sample for measuring the transmission loss was prepared, and the transmission loss (signal attenuation) was measured using the sample by the microstrip line method.
- (1) Measurement sample A linear circuit having a length of 100 mm and a width of 91 ⁇ m is etched on a single-sided copper layer (copper foil) constituting the double-sided copper-clad laminates obtained in Examples 14 to 16 and Comparative Example 22. Formed. The copper layer (copper foil) on the other side was not etched and remained as it was.
- this linear circuit is also referred to as a microstrip line.
- the width of the microstrip line has an impedance of 50 ⁇ , and the thickness of the microstrip line (thickness of copper foil), the thickness of the insulating layer constituting the double-sided copper-clad laminate, and the dielectric constant are calculated for the design of the microstrip line. It was obtained by substituting it into an equation.
- the insulating layer of the double-sided copper-clad laminate obtained in Examples 14 to 16 and Comparative Example 22 is laminated in the order of the polyimide resin layer / the thermoplastic polyimide resin layer / the thermoplastic polyimide resin layer / the polyimide resin layer. Refers to the layer that has been made.
- Measuring device An device consisting of an Anritsu fixture 3680V that measures the transmission gain of a sample and an Agent Technologies N5247A that analyzes the measured data and measures the transmission loss. It was a measuring device.
- the evaluation criteria for transmission loss are as follows. Good: -5dB / 10cm or more, Poor: Less than -5 dB / 10 cm.
- Example 1 a single-sided copper-clad laminate for measuring adhesion and the like was produced.
- Example 1 In a 500 mL flask, 85 g of NMP, 2.2844 g of p-PDA (62 mol% with respect to 100 mol% of diamine), 1.5349 g of 5ABO (20 mol% with respect to 100 mol% of diamine), and 1. After adding 7929 g (18 mol% with respect to 100 mol% of diamine), the mixture was stirred until it was dissolved at room temperature.
- the obtained polyimide resin precursor solution was applied to the rough surface of the copper foil A using a bar coater so that the resin thickness after imidization was 25 ⁇ m, dried in an atmosphere of 130 ° C. for 15 minutes, and the polyimide was dried.
- a copper foil A on which a resin precursor layer was formed was obtained.
- the copper foil A was cooled to room temperature, then heated to 360 ° C. (physical temperature) at a heating rate of 35 ° C./min, and held at 360 ° C. for 3 minutes. Then, it was naturally cooled to room temperature to obtain a single-sided copper-clad laminate.
- Example 2 Example 2
- Example 13 Comparative Example 1
- Comparative Example 21 Comparative Example 21
- Tables 1A to 3B a single-sided copper-clad laminate was produced by the same method as in Example 1 except that the type, content, and type of copper foil of each component were changed.
- the single-sided copper-clad laminate of Example 4 was manufactured so as to have a structure in which a polyimide resin layer was formed on the glossy surface of the copper foil B.
- Example 14 a double-sided copper-clad laminate for measuring transmission loss was produced.
- Example 14 (Preparation of thermoplastic polyimide resin precursor solution) 87 g of DMAc and 7.6044 g (0.01852 mol) of BAPP were added to a 500 mL flask, and the mixture was stirred until it was dissolved at room temperature. 5.3956 g (0.01834 mol) of s-BPDA was gradually added to the obtained solution. Then, the mixture was stirred at room temperature for 3 hours to obtain a thermoplastic polyimide resin precursor solution.
- Example 2 Manufacturing of single-sided copper-clad laminate with thermoplastic polyimide resin
- the polyimide resin precursor solution obtained in Example 1 was applied to the rough surface of the copper foil A using a bar coater so that the resin thickness after imidization was 23 ⁇ m, and the solution was applied in an atmosphere of 130 ° C. for 15 minutes.
- the mixture was dried to obtain a copper foil A on which a polyimide resin precursor layer was formed.
- the previously prepared thermoplastic polyimide resin precursor solution was applied to the coated surface so that the resin thickness after drying was 2 ⁇ m, and dried in an atmosphere of 130 ° C. for 5 minutes. After drying, a copper foil A laminated in the order of the polyimide resin precursor layer and the thermoplastic polyimide resin precursor layer was obtained in order from the copper foil.
- the copper foil A was cooled to room temperature, then heated to 360 ° C. (physical temperature) at a heating rate of 35 ° C./min, and held at 360 ° C. for 3 minutes. Then, it was naturally cooled to room temperature to obtain a single-sided copper-clad laminate with a thermoplastic polyimide resin layer.
- the configuration of the double-sided copper-clad laminate of Example 14 is as follows: copper foil (12 ⁇ m) / polyimide resin layer (23 ⁇ m) / thermoplastic polyimide resin layer (2 ⁇ m) / thermoplastic polyimide resin layer (2 ⁇ m) / polyimide resin layer ( The composition was such that 23 ⁇ m) / copper foil (12 ⁇ m) was laminated in this order.
- Example 15 (Example 15), (Example 16), (Comparative Example 22)
- Table 4 a double-sided copper-clad laminate was produced by the same method using the same materials as in Example 14 except that the type of copper foil was changed.
- the single-sided copper-clad laminate used in Example 15 was manufactured so as to have a polyimide resin layer formed on the glossy surface of the copper foil B.
- the "insulating layer (*)" in Table 4 means a layer in which four layers of a polyimide resin layer, a thermoplastic polyimide resin layer, a thermoplastic polyimide resin layer, and a polyimide resin layer are put together.
- the copper-clad laminates of Examples 1 to 13 have excellent adhesion between the polyimide resin layer and the metal foil, and have a dielectric constant, a dielectric loss tangent, a linear expansion coefficient, and a water absorption coefficient. was also excellent.
- the transmission loss of the electronic device using the laminated body composed of such a laminated board and the flexible printed wiring board is small.
- the copper-clad laminates of Examples 14 to 16 have excellent adhesion between the polyimide resin layer and the metal foil even though the surface roughness of the copper foil is small. Moreover, it was found that the transmission loss was also excellent.
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Laminated Bodies (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Abstract
Description
[1]
ジアミンと、酸無水物と、を反応させて得られるポリイミド樹脂前駆体であって、前記ジアミンは、p-フェニレンジアミンと、ビス(アミノフェノキシ)ベンゼンと、2-(4-アミノフェニル)ベンゾオキサゾール-5-アミンと、を含み、前記酸無水物は、ビフェニルテトラカルボン酸二無水物を含み、前記ジアミン全体に対して、前記p-フェニレンジアミンの含有量が30~75mol%、前記ビス(アミノフェノキシ)ベンゼンの含有量が10~30mol%、前記2-(4-アミノフェニル)ベンゾオキサゾール-5-アミンの含有量が10~50mol%であり、前記酸無水物全体に対して、前記ビフェニルテトラカルボン酸二無水物の含有量が78mol%以上、である、ポリイミド樹脂前駆体。
前記ビス(アミノフェノキ)シベンゼンが、1,3-ビス(4-アミノフェノキシ)ベンゼン、1,4-ビス(4-アミノフェノキシ)ベンゼン、1,3-ビス(3-アミノフェノキシ)ベンゼンからなる群から選ばれる少なくとも1種以上である、[1]に記載のポリイミド樹脂前駆体。
前記酸無水物に、前記酸無水物全体に対して、ピロメリット酸二無水物を0~22mol%含む、[1]又は[2]に記載のポリイミド樹脂前駆体。
[1]から[3]のいずれかに記載のポリイミド樹脂前駆体が硬化されてなるポリイミド樹脂。
線膨張係数が30ppm/K以下である、[4]に記載のポリイミド樹脂。
常態における誘電率が3.50以下である、[4]又は[5]に記載のポリイミド樹脂。
常態における誘電正接が0.0040以下である、[4]から[6]のいずれかに記載のポリイミド樹脂。
吸水率が1.5%以下である、[4]から[7]のいずれかに記載のポリイミド樹脂。
金属箔の粗面又は光沢面に、ポリイミド樹脂から構成されるポリイミド樹脂層が積層された金属張り積層板であって、前記ポリイミド樹脂は、[4]から[8]のいずれかに記載のポリイミド樹脂から構成され、前記ポリイミド樹脂層が積層された前記金属箔の粗面又は光沢面の表面粗さ(Sa)が、0.09~0.18μmである、金属張り積層板。
層状の熱可塑性ポリイミド樹脂の両面に、[9]に記載の金属張り積層板を構成するポリイミド樹脂層が接するように前記金属張り積層板がそれぞれ積層されている積層体。
配線が形成された基板と、基材と前記基材の片面に積層された接着材層とから構成されるカバーレイフィルムと、を備え、前記基板の配線が形成された面に前記接着材層が接するように前記カバーレイフィルムが積層されているフレキシブルプリント配線板であって、前記基板が[9]に記載の金属張り積層板又は[10]に記載の積層体から構成される、フレキシブルプリント配線板。
実施形態のポリイミド樹脂前駆体は、硬化させてポリイミド樹脂として用いることができる。また、このポリイミド樹脂は、主に、金属張り積層板、積層体及びフレキシブルプリント配線板等に好適に用いられる。なお、ポリイミド樹脂前駆体は、ポリアミック酸ともいわれる。
実施形態におけるポリイミド樹脂前駆体は、ジアミンと酸無水物とを公知の方法により縮重合させることで得られる。ポリイミド樹脂前駆体の製造方法の手順は、以下の通りである。まず、溶剤にジアミンを添加した後、室温で溶解させる。次に、その溶液を撹拌しながら、酸無水物を徐々に添加する。添加した後、さらに室温で30分以上撹拌してポリイミド樹脂前駆体を得る。撹拌する際の温度は、-10℃から溶剤の沸点以下の温度、好ましくは室温である。溶剤にポリイミド樹脂前駆体が溶解している溶液をポリイミド樹脂前駆体溶液という。
実施形態のポリイミド樹脂は、ポリイミド樹脂前駆体を硬化(イミド化)させることにより得られる。具体的には、ポリイミド樹脂前駆体溶液を、例えば、銅箔、アルミニウム箔、ガラス板等の基材上に塗布し、加熱により溶剤を蒸発させることで、ポリイミド樹脂前駆体が得られる。次に、このポリイミド樹脂前駆体をイミド化することで、ポリイミド樹脂が得られる。イミド化するための温度は、200℃以上、好ましくは250℃以上、より好ましくは300℃以上である。加熱する時間は、5分以上、好ましくは30分以上である。
実施形態の金属張り積層板は、金属箔の粗面又は光沢面に、実施形態のポリイミド樹脂から構成されるポリイミド樹脂層が積層されている。ポリイミド樹脂層が積層される金属箔の粗面又は光沢面の表面粗さ(Sa)は、0.09~0.18μmである。ポリイミド樹脂層が積層される金属箔の粗面又は光沢面をラミネート面又は塗布面ともいう。ラミネート面又は塗布面には、防錆処理や、シランカップリング剤等の表面処理がされていてもよい。この金属張り積層板は、片面金属張り積層板ともいう。
実施形態の金属張り積層板の製造方法は、ポリイミド樹脂前駆体溶液を金属箔の粗面側に塗布する工程と、金属箔に塗布されたポリイミド樹脂前駆体溶液を乾燥する工程と、ポリイミド樹脂前駆体をイミド化してポリイミド樹脂にする工程と、を備える。
実施形態の積層体は、層状の熱可塑性ポリイミド樹脂の両面に、実施形態の金属張り積層板を構成するポリイミド樹脂層が接するように金属張り積層板がそれぞれ積層されている。この積層体は、両面金属張り積層板ともいう。
実施形態の積層体の製造方法は、片面金属張り積層板を構成するポリイミド樹脂層に熱可塑性ポリイミド樹脂前駆体溶液を塗布し乾燥する工程と、熱可塑性ポリイミド樹脂前駆体をイミド化し熱可塑性ポリイミド樹脂層を形成する工程と、熱可塑性ポリイミド樹脂層が形成された2つの片面金属張り積層板を互いの熱可塑性ポリイミド樹脂層が接するように積層する工程と、2つの片面金属張り積層板が積層された積層体を熱圧着する工程と、を備える。
実施形態のフレキシブルプリント配線板は、配線が形成された基板と、基材と基材の片面に積層された接着材層とから構成されるカバーレイフィルムと、を備え、基板の配線が形成された面に接着材層が接するようにカバーレイフィルムが積層されており、基板が実施形態の金属張り積層板又は実施形態の積層体から構成されている。
実施形態のフレキシブルプリント配線板の製造方法は、金属張り積層板を構成する金属層部分に配線が形成された基板とカバーレイフィルムとを準備する工程と、基板の配線が形成された面に接着材層が接するようにカバーレイフィルムを積層する工程と、基板にカバーレイフィルムが積層された積層体を熱圧着する工程と、を備える。
p-PDA:p-フェニレンジアミン、
TPE-R:1,3-ビス(4-アミノフェノキシ)ベンゼン、
TPE-Q:1,4-ビス(4-アミノフェノキシ)ベンゼン、
APB:1,3-ビス(3-アミノフェノキシ)ベンゼン、
5ABO:2-(4-アミノフェニル)ベンゾオキサゾール-5-アミン、
ODA:4,4’-ジアミノジフェニルエーテル、
m-TB:2,2’-ジメチル-4,4’-ジアミノビフェニル、
BAPP:2,2-ビス[4-(4-アミノフェノキシ)フェニル]プロパン。
s-BPDA:3,4,3’,4’-ビフェニルテトラカルボン酸二無水物、
PMDA:ピロメリット酸二無水物、
TAHQ:p-フェニレンビス(トリメリテート無水物)。
DMAc:N,N-ジメチルアセトアミド、
NMP:N-メチルピロリドン。
銅箔A:銅箔粗面の表面粗さ(Sa)0.13μm、最大高さ(Rz)0.8μm、JX金属社製、BHM処理圧延銅箔12μm、
銅箔B:銅箔光沢面の表面粗さ(Sa)0.18μm、最大高さ(Rz)0.8μm、福田金属箔粉工業社製、FLEQ HD電解銅箔12μm、
銅箔C:銅箔粗面の表面粗さ(Sa)0.09μm、最大高さ(Rz)0.6μm、JX金属社製、GHY5処理圧延銅箔12μm、
銅箔D:銅箔粗面の表面粗さ(Sa)0.30μm、最大高さ(Rz)1.2μm、古河電気工業社製、F2-WS電解銅箔12μm。
銅箔の粗面又は光沢面の表面粗さ(Sa)及び最大高さ(Rz)について、測定した。
(1)測定用サンプル
使用する銅箔を一辺の長さが100mmの正方形になるようにカットし、それを測定用サンプルとした。
(1)で準備したサンプルをISO25178に準じて表面粗さ(Sa)、すなわち算術平均高さを測定した。測定装置は、Bruker社製のCONTOUR GT-Kを用いた。なお、最大高さ(Rz)はSaを測定する際に同時に計測した。
密着力は、引き剥がし強度(ピール強度)を測定し評価した。
(1)測定用サンプル
実施例及び比較例で得られた銅張り積層板を構成する銅層の表面を、所定の模様にエッチングし、23℃、50%RHの雰囲気下に24時間以上静置したものを測定用サンプルとした。なお、所定の模様とは、長さ200mm、幅3mmの矩形が矩形の長さの方向と直交する方向に複数配列している模様である。
(1)で作製した測定用サンプルをJIS C 6471の8.1項に準じて測定した。測定機器は、島津製作所社製オートグラフAGS-500を用いた。測定は、90°方向(銅張り積層板の銅層表面に対して直角となる方向)におけるピール強度を測定した。測定条件は、テストスピードを50mm/minとし、口出しした銅層(銅箔)の一端を掴んで引き剥がす方法(銅箔引き)で行った。
評価基準は、以下の通りとした。
Excellent:ピール強度が10N/cm以上、
Good:ピール強度が6.0N/cm以上10.0N/cm未満、
Poor:ピール強度が6.0N/cm未満。
線膨張係数は、温度を変えた際の寸法変化を測定し評価した。
(1)測定サンプル
実施例1~13及び比較例1~21で得られた銅張り積層板を構成する銅層(銅箔)全てをエッチングにより除去し、23℃、50%RHの雰囲気下に24時間以上静置した後、長さ15mm、幅5mmの矩形にカットして、それを測定用サンプル(常態サンプル)とした。
島津製作所社製の熱機械分析装置TMA-60を用いて、100~200℃までの寸法変化の測定データから、100~200℃の温度範囲における線膨張係数を算出した。測定条件は、荷重5g、10℃/minの昇温速度とした。
評価基準は、以下の通りとした。
Excellent:25ppm/K以下、
Good:26ppm/K以上、30ppm/K以下、
Poor:31ppm/K以上。
誘電率及び誘電正接は、SPDR法(スプリットポスト誘電体共振器法)により測定し評価した。
(1)測定サンプル
(1-1)常態サンプル
実施例1~13及び比較例1~21で得られた銅張り積層板を構成する銅層(銅箔)全てをエッチングにより除去し、23℃、50%RHの雰囲気下に24時間以上静置したものを常態サンプルとした。サンプル形状は、一辺の長さが100mmの正方形とした。
(1-2)吸水後サンプル
実施例1~13及び比較例1~21で得られた銅張り積層板を構成する銅層(銅箔)全てをエッチングにより除去し、23℃の純水に24時間浸漬させた後、表面の余分な水分を拭き取った直後のものを吸水後サンプルとした。サンプル形状は、一辺の長さが100mmの正方形とした。
(1)で作製した測定サンプルを専用治具(SPDRフィクスチャ)に取り付け、Agilent Technologies社製Network Analyzer N5230Aを用いて測定した。測定条件は、23℃の雰囲気下、周波数10GHzとした。n=5で測定を行い、その平均値を測定サンプルの誘電率、誘電正接とした。
(3-1)常態における誘電率、誘電正接の評価基準
常態における誘電率の評価基準は、以下の通りとした。
Excellent:3.30以下、
Good:3.31以上3.50以下、
Poor:3.51以上。
常態における誘電正接の評価基準は、以下の通りとした。
Excellent:0.0035以下、
Good:0.0036以上、0.0040以下、
Poor:0.0041以上。
吸水後における誘電率の評価基準は、以下の通りとした。
Excellent:3.40以下、
Good:3.41以上、3.60以下、
Poor:3.61以上。
吸水後における誘電正接の評価基準は、以下の通りとした。
Excellent:0.0060以下、
Good:0.0061以上、0.0080以下、
Poor:0.0081以上。
吸水率は、サンプルを純水に浸漬させる前と後の質量変化を測定し評価した。
(1)測定サンプル
実施例1~13及び比較例1~21で得られた銅張り積層板を構成する銅層(銅箔)全てをエッチングにより除去し、一辺の長さが50mmの正方形にカットした。浸漬前の測定サンプルは、105℃の雰囲気下で、30分間、静置し、室温まで冷却したものとした。浸漬後の測定サンプルは、23℃の純水に24時間浸漬し、その後測定サンプル表面に付着した水分を拭き取った直後のものとした。
浸漬前の測定サンプルの質量を測定し、それをm0とした。浸漬後の測定サンプルの質量を測定し、それをmdとした。この測定した値を式((md-m0)×100)/m0=吸水率(%)に代入し、吸水率を測定した。n=3で測定を行い、その平均値を測定サンプルの吸水率とした。
吸水率の評価基準は、以下の通りとした。
Excellent:1.0%以下、
Good:1.1%以上1.5%以下、
Poor:1.6%以上。
伝送損失を測定するための専用のサンプルを作製し、そのサンプルを用いてマイクロストリップライン法により、伝送損失(信号の減衰)を測定した。
(1)測定サンプル
実施例14~16及び比較例22で得られた両面銅張り積層板を構成する片面の銅層(銅箔)に、長さ100mm、幅91μmの線状の回路をエッチングにより形成した。もう一方の面の銅層(銅箔)はエッチングしないでそのままの状態を維持した。ここで、この線状の回路をマイクロストリップラインともいう。
測定に際して、サンプルの伝送利得を測定するアンリツ社製フィクスチャー3680Vと、その測定したデータを解析して伝送損失を測定するAgilent Technologies社製Netwok Analyzer N5247Aとから構成される装置を測定装置とした。
(1)で作製したサンプルを、アンリツ社製フィクスチャー3680Vに付設されている専用治具に取り付けた。その後、測定周波数20GHzにより、伝送損失を測定した。
伝送損失の評価基準は、以下の通りとした。
Good:-5dB/10cm以上、
Poor:-5dB/10cm未満。
(実施例1)
500mLのフラスコに、NMPを85g、p-PDAを2.2844g(ジアミン100mol%に対して62mol%)、5ABOを1.5349g(ジアミン100mol%に対して20mol%)、及びTPE-Rを1.7929g(ジアミン100mol%に対して18mol%)、添加した後、室温で溶解するまで撹拌した。得られた溶液に、s-BPDAを7.7643g(酸無水物100mol%に対して78mol%)、PMDAを1.6235g(酸無水物100mol%に対して22mol%)徐々に添加した。その後、室温で6時間撹拌することにより、ポリイミド樹脂前駆体溶液を得た。
表1A~表3Bに示すように、各成分の種類、含有量及び銅箔の種類を変更した以外は実施例1と同様の方法により、片面銅張り積層板を作製した。なお、実施例4の片面銅張り積層板は、銅箔Bの光沢面にポリイミド樹脂層が形成された構成となるように作製した。
(実施例14)
(熱可塑性ポリイミド樹脂前駆体溶液の作製)
500mLのフラスコに、DMAcを87g、BAPPを7.6044g(0.01852mol)添加した後、室温で溶解するまで撹拌した。得られた溶液に、s-BPDAを5.3956g(0.01834mol)徐々に添加した。その後、室温で3時間撹拌することにより、熱可塑性ポリイミド樹脂前駆体溶液を得た。
実施例1で得たポリイミド樹脂前駆体溶液を、銅箔Aの粗面に、イミド化後の樹脂厚さが23μmとなるように、バーコータを用いて塗布し、130℃の雰囲気下で15分間乾燥させ、ポリイミド樹脂前駆体層が形成された銅箔Aを得た。次に、その塗布面に、先に作製した熱可塑性ポリイミド樹脂前駆体溶液を、乾燥後の樹脂厚さが2μmとなるように塗布して、130℃の雰囲気下で5分間乾燥させた。乾燥後、銅箔から近い順に、ポリイミド樹脂前駆体層、熱可塑性ポリイミド樹脂前駆体層の順で積層された銅箔Aを得た。
得られた片面銅張り積層板を2枚準備し、互いの熱可塑性ポリイミド樹脂層が接する状態で片面銅張り積層板を積層した。この積層体を、320℃、4MPa、10分間の条件でプレスすることにより、両面銅張り積層板を得た。なお、実施例14の両面銅張り積層板の構成は、銅箔(12μm)/ポリイミド樹脂層(23μm)/熱可塑性ポリイミド樹脂層(2μm)/熱可塑性ポリイミド樹脂層(2μm)/ポリイミド樹脂層(23μm)/銅箔(12μm)の順で積層された構成であった。
表4に示すように、銅箔の種類を変更した以外は実施例14と同じ材料を用いて、同様の方法により、両面銅張り積層板を作製した。なお、実施例15で用いた片面銅張り積層板は、銅箔Bの光沢面にポリイミド樹脂層が形成された構成となるように作製した。
Claims (11)
- ジアミンと、酸無水物と、を反応させて得られるポリイミド樹脂前駆体であって、
前記ジアミンは、p-フェニレンジアミンと、ビス(アミノフェノキシ)ベンゼンと、2-(4-アミノフェニル)ベンゾオキサゾール-5-アミンと、を含み、
前記酸無水物は、ビフェニルテトラカルボン酸二無水物を含み、
前記ジアミン全体に対して、前記p-フェニレンジアミンの含有量が30~75mol%、前記ビス(アミノフェノキシ)ベンゼンの含有量が10~30mol%、前記2-(4-アミノフェニル)ベンゾオキサゾール-5-アミンの含有量が10~50mol%であり、
前記酸無水物全体に対して、前記ビフェニルテトラカルボン酸二無水物の含有量が78mol%以上である、ポリイミド樹脂前駆体。 - 前記ビス(アミノフェノキシ)ベンゼンが、1,3-ビス(4-アミノフェノキシ)ベンゼン、1,4-ビス(4-アミノフェノキシ)ベンゼン、1,3-ビス(3-アミノフェノキシ)ベンゼンからなる群から選ばれる少なくとも1種以上である、請求項1に記載のポリイミド樹脂前駆体。
- 前記酸無水物に、前記酸無水物全体に対して、ピロメリット酸二無水物を0~22mol%含む、請求項1又は2に記載のポリイミド樹脂前駆体。
- 請求項1から3のいずれか1項に記載のポリイミド樹脂前駆体が硬化されてなるポリイミド樹脂。
- 線膨張係数が30ppm/K以下である、請求項4に記載のポリイミド樹脂。
- 常態における誘電率が3.50以下である、請求項4又は5に記載のポリイミド樹脂。
- 常態における誘電正接が0.0040以下である、請求項4から6のいずれか1項に記載のポリイミド樹脂。
- 吸水率が1.5%以下である、請求項4から7のいずれか1項に記載のポリイミド樹脂。
- 金属箔の粗面又は光沢面に、ポリイミド樹脂から構成されるポリイミド樹脂層が積層された金属張り積層板であって、
前記ポリイミド樹脂は、請求項4から8のいずれか1項に記載のポリイミド樹脂から構成され、
前記ポリイミド樹脂層が積層された前記金属箔の粗面又は光沢面の表面粗さ(Sa)が、0.09~0.18μmである、金属張り積層板。 - 層状の熱可塑性ポリイミド樹脂の両面に、請求項9に記載の金属張り積層板を構成するポリイミド樹脂層が接するように前記金属張り積層板がそれぞれ積層されている積層体。
- 配線が形成された基板と、基材と前記基材の片面に積層された接着材層とから構成されるカバーレイフィルムと、を備え、前記基板の配線が形成された面に前記接着材層が接するように前記カバーレイフィルムが積層されているフレキシブルプリント配線板であって、
前記基板が請求項9に記載の金属張り積層板又は請求項10に記載の積層体から構成される、フレキシブルプリント配線板。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020237016689A KR102605943B1 (ko) | 2020-10-22 | 2021-10-01 | 폴리이미드 수지 전구체, 폴리이미드 수지, 금속장 적층판, 적층체 및 플렉시블 프린트 배선판 |
US18/031,734 US11976171B2 (en) | 2020-10-22 | 2021-10-01 | Polyimide resin precursor, polyimide resin, metal-clad laminated board, laminate, and flexible printed wiring board |
JP2022523317A JP7148757B2 (ja) | 2020-10-22 | 2021-10-01 | ポリイミド樹脂前駆体、ポリイミド樹脂、金属張り積層板、積層体及びフレキシブルプリント配線板 |
CN202180072289.6A CN116390971B (zh) | 2020-10-22 | 2021-10-01 | 聚酰亚胺树脂前体、聚酰亚胺树脂、覆金属层叠板、层叠体及柔性印刷布线板 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020177202 | 2020-10-22 | ||
JP2020-177202 | 2020-10-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022085398A1 true WO2022085398A1 (ja) | 2022-04-28 |
Family
ID=81289594
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2021/036515 WO2022085398A1 (ja) | 2020-10-22 | 2021-10-01 | ポリイミド樹脂前駆体、ポリイミド樹脂、金属張り積層板、積層体及びフレキシブルプリント配線板 |
Country Status (6)
Country | Link |
---|---|
US (1) | US11976171B2 (ja) |
JP (1) | JP7148757B2 (ja) |
KR (1) | KR102605943B1 (ja) |
CN (1) | CN116390971B (ja) |
TW (1) | TW202216853A (ja) |
WO (1) | WO2022085398A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2022107583A (ja) * | 2021-01-11 | 2022-07-22 | ネックスフレックス カンパニー,リミテッド | フレキシブル基板用ポリイミドバーニッシュ組成物及びこれを用いたポリイミドフィルム |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005304207A (ja) * | 2004-04-13 | 2005-10-27 | Toyobo Co Ltd | 回転電機 |
JP2012233198A (ja) * | 2012-07-31 | 2012-11-29 | Arisawa Mfg Co Ltd | ポリアミック酸及び非熱可塑性ポリイミド樹脂 |
JP2018024932A (ja) * | 2016-08-05 | 2018-02-15 | 新日鉄住金化学株式会社 | 蒸着マスク及びその製造方法並びに蒸着マスク用積層体及びその製造方法 |
JP2018028076A (ja) * | 2016-08-10 | 2018-02-22 | 新日鉄住金化学株式会社 | ポリイミド前駆体及びそれから生じるポリイミド |
JP2018150544A (ja) * | 2018-05-01 | 2018-09-27 | 株式会社有沢製作所 | ポリイミド樹脂前駆体 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0656992A (ja) * | 1992-08-05 | 1994-03-01 | Unitika Ltd | ポリイミドフィルム |
JP6373884B2 (ja) * | 2016-01-27 | 2018-08-15 | 株式会社有沢製作所 | ポリイミド樹脂前駆体 |
KR101974040B1 (ko) * | 2017-07-05 | 2019-04-30 | 한국화학연구원 | 이차전지의 전극 결착제, 상기 전극 결착제를 이용하여 제조되는 전극 및 이의 제조방법 |
KR102152284B1 (ko) * | 2018-12-28 | 2020-09-07 | 한국화학연구원 | 고내열 광전 기능 폴리이미드 중합체 및 이를 포함하는 광전 소자 |
TW202110948A (zh) * | 2019-06-14 | 2021-03-16 | 美商杜邦電子股份有限公司 | 聚合物膜及電子裝置 |
-
2021
- 2021-10-01 CN CN202180072289.6A patent/CN116390971B/zh active Active
- 2021-10-01 US US18/031,734 patent/US11976171B2/en active Active
- 2021-10-01 JP JP2022523317A patent/JP7148757B2/ja active Active
- 2021-10-01 WO PCT/JP2021/036515 patent/WO2022085398A1/ja active Application Filing
- 2021-10-01 KR KR1020237016689A patent/KR102605943B1/ko active IP Right Grant
- 2021-10-15 TW TW110138252A patent/TW202216853A/zh unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005304207A (ja) * | 2004-04-13 | 2005-10-27 | Toyobo Co Ltd | 回転電機 |
JP2012233198A (ja) * | 2012-07-31 | 2012-11-29 | Arisawa Mfg Co Ltd | ポリアミック酸及び非熱可塑性ポリイミド樹脂 |
JP2018024932A (ja) * | 2016-08-05 | 2018-02-15 | 新日鉄住金化学株式会社 | 蒸着マスク及びその製造方法並びに蒸着マスク用積層体及びその製造方法 |
JP2018028076A (ja) * | 2016-08-10 | 2018-02-22 | 新日鉄住金化学株式会社 | ポリイミド前駆体及びそれから生じるポリイミド |
JP2018150544A (ja) * | 2018-05-01 | 2018-09-27 | 株式会社有沢製作所 | ポリイミド樹脂前駆体 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2022107583A (ja) * | 2021-01-11 | 2022-07-22 | ネックスフレックス カンパニー,リミテッド | フレキシブル基板用ポリイミドバーニッシュ組成物及びこれを用いたポリイミドフィルム |
JP7261512B2 (ja) | 2021-01-11 | 2023-04-20 | ネックスフレックス カンパニー,リミテッド | フレキシブル基板用ポリイミドバーニッシュ組成物及びこれを用いたポリイミドフィルム |
US11965110B2 (en) | 2021-01-11 | 2024-04-23 | Nexflex Co., Ltd. | Polyimide varnish composition for flexible substrate and polyimide film using same |
Also Published As
Publication number | Publication date |
---|---|
JPWO2022085398A1 (ja) | 2022-04-28 |
US20230312828A1 (en) | 2023-10-05 |
CN116390971B (zh) | 2023-09-12 |
KR102605943B1 (ko) | 2023-11-29 |
CN116390971A (zh) | 2023-07-04 |
TW202216853A (zh) | 2022-05-01 |
US11976171B2 (en) | 2024-05-07 |
KR20230074304A (ko) | 2023-05-26 |
JP7148757B2 (ja) | 2022-10-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107011512B (zh) | 聚酰亚胺树脂前体 | |
KR100668948B1 (ko) | 금속 적층판 및 그의 제조방법 | |
JP6517399B2 (ja) | ポリイミド樹脂前駆体 | |
JP5031639B2 (ja) | フレキシブル銅張積層板 | |
JP6971580B2 (ja) | 多層ポリイミドフィルム、およびフレキシブル金属張積層板 | |
KR20030079991A (ko) | 적층체 및 그의 제조 방법 | |
KR20090066399A (ko) | 금속박적층체 | |
JP6473028B2 (ja) | 銅張積層板、プリント配線板及びその使用方法 | |
JP2006289959A (ja) | 銅張り積層板 | |
JP2018145303A (ja) | 多層ポリイミドフィルム | |
JP4571043B2 (ja) | 積層体及びその製造方法 | |
WO2021166572A1 (ja) | マイクロストリップライン構造を有するフレキシブル金属張積層板 | |
JP7148757B2 (ja) | ポリイミド樹脂前駆体、ポリイミド樹脂、金属張り積層板、積層体及びフレキシブルプリント配線板 | |
JP2016501753A (ja) | 多層フレキシブル金属張積層体及びその製造方法 | |
KR20160117155A (ko) | 동장 적층판 및 프린트 배선판 | |
CN111484616B (zh) | 聚酰亚胺组合物、聚酰亚胺、挠性覆铜板及其制作方法 | |
JP2020015237A (ja) | 金属張積層板の製造方法及び回路基板の製造方法 | |
KR101257413B1 (ko) | 내열성이 우수한 양면 금속 적층판 및 이의 제조방법 | |
WO2023157789A1 (ja) | ポリアミド酸、ポリイミド、非熱可塑性ポリイミドフィルム、複層ポリイミドフィルム及び金属張積層板 | |
WO2022172872A1 (ja) | マイクロストリップアンテナおよびその製造方法 | |
WO2023162745A1 (ja) | ポリアミド酸、ポリイミド、非熱可塑性ポリイミドフィルム、複層ポリイミドフィルム及び金属張積層板 | |
JP2005329641A (ja) | フレキシブルプリント配線板用基板及びその製造方法 | |
JP2021170603A (ja) | 金属貼積層板および回路基板 | |
JP2023146680A (ja) | ポリアミド酸、ポリイミド、ポリイミドフィルムならびに多層フィルム | |
KR100926884B1 (ko) | 연성 금속박 적층체 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ENP | Entry into the national phase |
Ref document number: 2022523317 Country of ref document: JP Kind code of ref document: A |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 21882539 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 20237016689 Country of ref document: KR Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 21882539 Country of ref document: EP Kind code of ref document: A1 |