JP6342891B2 - ワニス、それを用いて製造した多孔質ポリイミド膜、及びその製造方法 - Google Patents
ワニス、それを用いて製造した多孔質ポリイミド膜、及びその製造方法 Download PDFInfo
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- JP6342891B2 JP6342891B2 JP2015521408A JP2015521408A JP6342891B2 JP 6342891 B2 JP6342891 B2 JP 6342891B2 JP 2015521408 A JP2015521408 A JP 2015521408A JP 2015521408 A JP2015521408 A JP 2015521408A JP 6342891 B2 JP6342891 B2 JP 6342891B2
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- film
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- 229920001721 polyimide Polymers 0.000 title claims description 100
- 239000002966 varnish Substances 0.000 title claims description 23
- 238000004519 manufacturing process Methods 0.000 title claims description 22
- 239000010419 fine particle Substances 0.000 claims description 84
- 239000004642 Polyimide Substances 0.000 claims description 44
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 claims description 44
- -1 imidazole compound Chemical class 0.000 claims description 42
- 239000002131 composite material Substances 0.000 claims description 41
- 150000001875 compounds Chemical class 0.000 claims description 38
- 239000011347 resin Substances 0.000 claims description 38
- 229920005989 resin Polymers 0.000 claims description 38
- 229920005575 poly(amic acid) Polymers 0.000 claims description 33
- 239000003795 chemical substances by application Substances 0.000 claims description 31
- 239000003960 organic solvent Substances 0.000 claims description 26
- 239000009719 polyimide resin Substances 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 19
- 238000010304 firing Methods 0.000 claims description 15
- 238000000354 decomposition reaction Methods 0.000 claims description 11
- 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 description 35
- 125000004432 carbon atom Chemical group C* 0.000 description 34
- 150000004985 diamines Chemical class 0.000 description 26
- 125000000962 organic group Chemical group 0.000 description 22
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 19
- 125000006158 tetracarboxylic acid group Chemical group 0.000 description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 16
- 125000003118 aryl group Chemical group 0.000 description 14
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 13
- 125000000217 alkyl group Chemical group 0.000 description 13
- 230000000052 comparative effect Effects 0.000 description 12
- 125000004122 cyclic group Chemical group 0.000 description 12
- 229920000642 polymer Polymers 0.000 description 12
- 239000000758 substrate Substances 0.000 description 10
- 125000005843 halogen group Chemical group 0.000 description 9
- 238000005979 thermal decomposition reaction Methods 0.000 description 9
- 125000005842 heteroatom Chemical group 0.000 description 8
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 8
- 239000012528 membrane Substances 0.000 description 8
- 239000000178 monomer Substances 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 7
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 7
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 6
- 125000003710 aryl alkyl group Chemical group 0.000 description 6
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- 239000000377 silicon dioxide Substances 0.000 description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 5
- 229940048053 acrylate Drugs 0.000 description 5
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 5
- 125000000018 nitroso group Chemical group N(=O)* 0.000 description 5
- 125000005372 silanol group Chemical group 0.000 description 5
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 description 5
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 5
- 125000000101 thioether group Chemical group 0.000 description 5
- 125000003396 thiol group Chemical group [H]S* 0.000 description 5
- YBYIRNPNPLQARY-UHFFFAOYSA-N 1H-indene Chemical compound C1=CC=C2CC=CC2=C1 YBYIRNPNPLQARY-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 4
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 4
- 125000001931 aliphatic group Chemical group 0.000 description 4
- 125000003545 alkoxy group Chemical group 0.000 description 4
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 4
- 150000004984 aromatic diamines Chemical class 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 125000004093 cyano group Chemical group *C#N 0.000 description 4
- 125000006575 electron-withdrawing group Chemical group 0.000 description 4
- 235000019441 ethanol Nutrition 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- NIHNNTQXNPWCJQ-UHFFFAOYSA-N fluorene Chemical compound C1=CC=C2CC3=CC=CC=C3C2=C1 NIHNNTQXNPWCJQ-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 4
- 150000002430 hydrocarbons Chemical group 0.000 description 4
- YNPNZTXNASCQKK-UHFFFAOYSA-N phenanthrene Chemical compound C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 description 4
- 125000005328 phosphinyl group Chemical group [PH2](=O)* 0.000 description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 4
- 239000004926 polymethyl methacrylate Substances 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 125000001424 substituent group Chemical group 0.000 description 4
- GEYOCULIXLDCMW-UHFFFAOYSA-N 1,2-phenylenediamine Chemical compound NC1=CC=CC=C1N GEYOCULIXLDCMW-UHFFFAOYSA-N 0.000 description 3
- 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
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 125000003342 alkenyl group Chemical group 0.000 description 3
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 3
- 125000000753 cycloalkyl group Chemical group 0.000 description 3
- 125000000524 functional group Chemical group 0.000 description 3
- 229920001519 homopolymer Polymers 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000002798 polar solvent Substances 0.000 description 3
- 239000001294 propane Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000001878 scanning electron micrograph Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- AVQQQNCBBIEMEU-UHFFFAOYSA-N 1,1,3,3-tetramethylurea Chemical compound CN(C)C(=O)N(C)C AVQQQNCBBIEMEU-UHFFFAOYSA-N 0.000 description 2
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical group NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 description 2
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 description 2
- SEYKENDCALELBV-UHFFFAOYSA-N 1-N'-phenyl-2,3-dihydroindene-1,1-diamine Chemical compound NC1(CCC2=CC=CC=C12)NC1=CC=CC=C1 SEYKENDCALELBV-UHFFFAOYSA-N 0.000 description 2
- VLDPXPPHXDGHEW-UHFFFAOYSA-N 1-chloro-2-dichlorophosphoryloxybenzene Chemical compound ClC1=CC=CC=C1OP(Cl)(Cl)=O VLDPXPPHXDGHEW-UHFFFAOYSA-N 0.000 description 2
- VOZKAJLKRJDJLL-UHFFFAOYSA-N 2,4-diaminotoluene Chemical compound CC1=CC=C(N)C=C1N VOZKAJLKRJDJLL-UHFFFAOYSA-N 0.000 description 2
- XLLIQLLCWZCATF-UHFFFAOYSA-N 2-methoxyethyl acetate Chemical compound COCCOC(C)=O XLLIQLLCWZCATF-UHFFFAOYSA-N 0.000 description 2
- 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 description 2
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- 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 description 2
- 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 description 2
- 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 2
- 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 2
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- JGFZNNIVVJXRND-UHFFFAOYSA-N N,N-Diisopropylethylamine (DIPEA) Chemical compound CCN(C(C)C)C(C)C JGFZNNIVVJXRND-UHFFFAOYSA-N 0.000 description 2
- SUAKHGWARZSWIH-UHFFFAOYSA-N N,N‐diethylformamide Chemical compound CCN(CC)C=O SUAKHGWARZSWIH-UHFFFAOYSA-N 0.000 description 2
- ZWXPDGCFMMFNRW-UHFFFAOYSA-N N-methylcaprolactam Chemical compound CN1CCCCCC1=O ZWXPDGCFMMFNRW-UHFFFAOYSA-N 0.000 description 2
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical group OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 125000002252 acyl group Chemical group 0.000 description 2
- 125000004414 alkyl thio group Chemical group 0.000 description 2
- 125000002947 alkylene group Chemical group 0.000 description 2
- 125000003368 amide group Chemical group 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- 150000008064 anhydrides Chemical class 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- HFACYLZERDEVSX-UHFFFAOYSA-N benzidine Chemical group C1=CC(N)=CC=C1C1=CC=C(N)C=C1 HFACYLZERDEVSX-UHFFFAOYSA-N 0.000 description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 2
- WKDNYTOXBCRNPV-UHFFFAOYSA-N bpda Chemical compound C1=C2C(=O)OC(=O)C2=CC(C=2C=C3C(=O)OC(C3=CC=2)=O)=C1 WKDNYTOXBCRNPV-UHFFFAOYSA-N 0.000 description 2
- VHRGRCVQAFMJIZ-UHFFFAOYSA-N cadaverine Chemical compound NCCCCCN VHRGRCVQAFMJIZ-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 125000000392 cycloalkenyl group Chemical group 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 125000004185 ester group Chemical group 0.000 description 2
- LZCLXQDLBQLTDK-UHFFFAOYSA-N ethyl 2-hydroxypropanoate Chemical compound CCOC(=O)C(C)O LZCLXQDLBQLTDK-UHFFFAOYSA-N 0.000 description 2
- JBFHTYHTHYHCDJ-UHFFFAOYSA-N gamma-caprolactone Chemical compound CCC1CCC(=O)O1 JBFHTYHTHYHCDJ-UHFFFAOYSA-N 0.000 description 2
- 125000001072 heteroaryl group Chemical group 0.000 description 2
- 125000000592 heterocycloalkyl group Chemical group 0.000 description 2
- 229920001477 hydrophilic polymer Polymers 0.000 description 2
- 238000006358 imidation reaction Methods 0.000 description 2
- 150000002576 ketones Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229940018564 m-phenylenediamine Drugs 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 125000002816 methylsulfanyl group Chemical group [H]C([H])([H])S[*] 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 239000006082 mold release agent Substances 0.000 description 2
- AJFDBNQQDYLMJN-UHFFFAOYSA-N n,n-diethylacetamide Chemical compound CCN(CC)C(C)=O AJFDBNQQDYLMJN-UHFFFAOYSA-N 0.000 description 2
- NTNWKDHZTDQSST-UHFFFAOYSA-N naphthalene-1,2-diamine Chemical compound C1=CC=CC2=C(N)C(N)=CC=C21 NTNWKDHZTDQSST-UHFFFAOYSA-N 0.000 description 2
- 125000000394 phosphonato group Chemical group [O-]P([O-])(*)=O 0.000 description 2
- 125000001476 phosphono group Chemical group [H]OP(*)(=O)O[H] 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 125000000213 sulfino group Chemical group [H]OS(*)=O 0.000 description 2
- 125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
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- NAWXUBYGYWOOIX-SFHVURJKSA-N (2s)-2-[[4-[2-(2,4-diaminoquinazolin-6-yl)ethyl]benzoyl]amino]-4-methylidenepentanedioic acid Chemical compound C1=CC2=NC(N)=NC(N)=C2C=C1CCC1=CC=C(C(=O)N[C@@H](CC(=C)C(O)=O)C(O)=O)C=C1 NAWXUBYGYWOOIX-SFHVURJKSA-N 0.000 description 1
- 125000006736 (C6-C20) aryl group Chemical group 0.000 description 1
- NSGXIBWMJZWTPY-UHFFFAOYSA-N 1,1,1,3,3,3-hexafluoropropane Chemical compound FC(F)(F)CC(F)(F)F NSGXIBWMJZWTPY-UHFFFAOYSA-N 0.000 description 1
- MAPWYRGGJSHAAU-UHFFFAOYSA-N 1,3-bis(4-aminophenyl)urea Chemical compound C1=CC(N)=CC=C1NC(=O)NC1=CC=C(N)C=C1 MAPWYRGGJSHAAU-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-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
- MXPYJVUYLVNEBB-UHFFFAOYSA-N 2-[2-(2-carboxybenzoyl)oxycarbonylbenzoyl]oxycarbonylbenzoic acid Chemical compound OC(=O)C1=CC=CC=C1C(=O)OC(=O)C1=CC=CC=C1C(=O)OC(=O)C1=CC=CC=C1C(O)=O MXPYJVUYLVNEBB-UHFFFAOYSA-N 0.000 description 1
- SVONRAPFKPVNKG-UHFFFAOYSA-N 2-ethoxyethyl acetate Chemical compound CCOCCOC(C)=O SVONRAPFKPVNKG-UHFFFAOYSA-N 0.000 description 1
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- RUMACXVDVNRZJZ-UHFFFAOYSA-N 2-methylpropyl 2-methylprop-2-enoate Chemical compound CC(C)COC(=O)C(C)=C RUMACXVDVNRZJZ-UHFFFAOYSA-N 0.000 description 1
- JRBJSXQPQWSCCF-UHFFFAOYSA-N 3,3'-Dimethoxybenzidine Chemical compound C1=C(N)C(OC)=CC(C=2C=C(OC)C(N)=CC=2)=C1 JRBJSXQPQWSCCF-UHFFFAOYSA-N 0.000 description 1
- NUIURNJTPRWVAP-UHFFFAOYSA-N 3,3'-Dimethylbenzidine Chemical compound C1=C(N)C(C)=CC(C=2C=C(C)C(N)=CC=2)=C1 NUIURNJTPRWVAP-UHFFFAOYSA-N 0.000 description 1
- WGTASENVNYJZBK-UHFFFAOYSA-N 3,4,5-trimethoxyamphetamine Chemical compound COC1=CC(CC(C)N)=CC(OC)=C1OC WGTASENVNYJZBK-UHFFFAOYSA-N 0.000 description 1
- SMDGQEQWSSYZKX-UHFFFAOYSA-N 3-(2,3-dicarboxyphenoxy)phthalic acid Chemical compound OC(=O)C1=CC=CC(OC=2C(=C(C(O)=O)C=CC=2)C(O)=O)=C1C(O)=O SMDGQEQWSSYZKX-UHFFFAOYSA-N 0.000 description 1
- OLQWMCSSZKNOLQ-UHFFFAOYSA-N 3-(2,5-dioxooxolan-3-yl)oxolane-2,5-dione Chemical compound O=C1OC(=O)CC1C1C(=O)OC(=O)C1 OLQWMCSSZKNOLQ-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
- LJGHYPLBDBRCRZ-UHFFFAOYSA-N 3-(3-aminophenyl)sulfonylaniline Chemical compound NC1=CC=CC(S(=O)(=O)C=2C=C(N)C=CC=2)=C1 LJGHYPLBDBRCRZ-UHFFFAOYSA-N 0.000 description 1
- ZBMISJGHVWNWTE-UHFFFAOYSA-N 3-(4-aminophenoxy)aniline Chemical compound C1=CC(N)=CC=C1OC1=CC=CC(N)=C1 ZBMISJGHVWNWTE-UHFFFAOYSA-N 0.000 description 1
- GDGWSSXWLLHGGV-UHFFFAOYSA-N 3-(4-aminophenyl)-1,1,3-trimethyl-2h-inden-5-amine Chemical compound C12=CC(N)=CC=C2C(C)(C)CC1(C)C1=CC=C(N)C=C1 GDGWSSXWLLHGGV-UHFFFAOYSA-N 0.000 description 1
- ZMPZWXKBGSQATE-UHFFFAOYSA-N 3-(4-aminophenyl)sulfonylaniline Chemical compound C1=CC(N)=CC=C1S(=O)(=O)C1=CC=CC(N)=C1 ZMPZWXKBGSQATE-UHFFFAOYSA-N 0.000 description 1
- CKOFBUUFHALZGK-UHFFFAOYSA-N 3-[(3-aminophenyl)methyl]aniline Chemical compound NC1=CC=CC(CC=2C=C(N)C=CC=2)=C1 CKOFBUUFHALZGK-UHFFFAOYSA-N 0.000 description 1
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Classifications
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D179/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen, or carbon only, not provided for in groups C09D161/00 - C09D177/00
- C09D179/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C09D179/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
- H01M50/423—Polyamide resins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
- B01D71/62—Polycondensates having nitrogen-containing heterocyclic rings in the main chain
- B01D71/64—Polyimides; Polyamide-imides; Polyester-imides; Polyamide acids or similar polyimide precursors
- B01D71/641—Polyamide-imides
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- 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
- C08G73/1003—Preparatory processes
- C08G73/1007—Preparatory processes from tetracarboxylic acids or derivatives and diamines
- C08G73/1021—Preparatory processes from tetracarboxylic acids or derivatives and diamines characterised by the catalyst used
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Description
本発明の多孔質ポリイミド膜の製造方法では、まず、ポリアミド酸又はポリイミド、樹脂微粒子、縮合剤、及び有機溶剤を含有するワニスを準備する。上記ワニスの準備は、下記所定の樹脂微粒子を分散したポリアミド酸又はポリイミド溶液を製造することにより行う。
本発明で用いられる樹脂微粒子は、ワニスに使用する有機溶剤に不溶で、成膜後選択的に除去可能なものなら、特に限定されること無く使用することができる。また、真球率が高く、粒径分布指数の小さいものが好ましい。これらの条件を備えた微粒子は、ワニス中での分散性に優れ、互いに凝集していない状態で使用することができる。使用する微粒子の粒径(平均直径)としては、例えば、100〜2000nmのものを用いることができる。これらの条件を満たすことで、微粒子を取り除いて得られる多孔質膜の孔径を揃えることができるため、特にセパレータとして使用した場合に、印加される電界を均一化でき好ましい。
本発明に用いるポリアミド酸は、任意のテトラカルボン酸二無水物とジアミンを重合して得られるものが、特に限定されることなく使用できる。テトラカルボン酸二無水物及びジアミンの使用量は特に限定されないが、テトラカルボン酸二無水物1モルに対して、ジアミンを0.50〜1.50モル用いるのが好ましく、0.60〜1.30モル用いるのがより好ましく、0.70〜1.20モル用いるのが特に好ましい。
本発明に用いるポリイミドは、本発明のワニスに使用する有機溶剤に溶解可能な可溶性ポリイミドなら、その構造や分子量に限定されることなく、公知のものが使用できる。ポリイミドについて、側鎖にカルボキシ基等の縮合可能な官能基又は焼成時に架橋反応等を促進させる官能基を有していてもよい。
本発明の多孔質ポリイミド膜の製造方法では、未焼成複合膜を樹脂微粒子の熱分解温度未満で焼成することを目的として、上記ワニス中に更に縮合剤を含有させる。
本発明のポリアミド酸又はポリイミド、樹脂微粒子、及び縮合剤を含有する未焼成複合膜の成膜は、基板上又は離型層を設けた基板上へ上記ワニスを塗布し、常圧又は真空下で0〜50℃、好ましくは常圧10〜30℃で乾燥して行う。
基板より剥離して、又は、剥離せずに、上記未焼成複合膜に加熱による後処理(焼成)を行ってポリイミドと微粒子とからなるポリイミド−樹脂微粒子複合膜とすることができる。焼成工程においては、イミド化を完結させることが好ましい。
ポリイミド−樹脂微粒子複合膜から、樹脂微粒子を熱分解して除去することにより、多孔質ポリイミド膜を、再現性よく製造することができる。
実施例及び比較例では、以下に示すテトラカルボン酸二無水物、ジアミン、有機溶剤、微粒子、及び縮合剤を用いた。
・テトラカルボン酸二無水物(A)、(A1):ピロメリット酸二無水物
・ジアミン(B)、(B1):4,4’−ジアミノジフェニルエーテル
・有機溶剤(C)、(C1):N,N−ジメチルアセトアミド
・微粒子
シリカ:700nmシリカ(密度:2.2)
PMMA:ポリメチルメタクリレート(密度:1.17)
・縮合剤(E)
(E1):イミダゾール
(E2):
撹拌機、撹拌羽根、還流冷却機、窒素ガス導入管を備えたセパラブルフラスコに、テトラカルボン酸二無水物と、ジアミンと、有機溶剤とを投入した。窒素ガス導入管よりフラスコ内に窒素を導入し、フラスコ内を窒素雰囲気とした。次いで、フラスコの内容物を撹拌しながら、50℃で20時間、テトラカルボン酸二無水物と、ジアミンとを反応させて、ポリアミド酸溶液を得た。得られたポリアミド酸溶液に、縮合剤及び微粒子を、表1に記載の量で添加し撹拌して、ワニスを調製した。なお、実施例3についてはシリカ微粒子の場合と膜中の体積が同等(ポリイミド−微粒子複合膜とした際に微粒子/ポリイミドの体積比率が約2.6)になるように予め配合量を調整した。
上記のワニスを、離型剤を塗布したガラス板にアプリケーターを用い製膜した。70℃で5分間プリベークして、膜厚25μmの未焼成複合膜を形成した。基材から未焼成複合膜を剥離後、エタノールで離型剤を除去し、比較例1は、320℃で15分間、比較例2及び実施例1〜3については、230℃で15分間焼成処理を施し、イミド化を完結させた。比較例1,2及び実施例1,2の成膜したポリイミド−樹脂微粒子複合膜の膜強度及び伸びの測定結果を図1(a)及び(b)にそれぞれ示す。なお、実施例3の膜強度及び伸びの測定結果は実施例1と同等であった。
上記ポリイミド−樹脂微粒子複合膜を、実施例では、270℃で30分熱処理、比較例では、10%HF溶液中に10分間浸漬することで、それぞれ膜中に含まれる微粒子を除去した。得られた多孔質ポリイミド膜表面のSEM像を図2〜5に示す。
Claims (4)
- ポリアミド酸又はポリイミド、樹脂微粒子、及び縮合剤を含有する未焼成複合膜を、前記樹脂微粒子の分解温度未満の温度で焼成してポリイミド−樹脂微粒子複合膜とする焼成工程と、
前記ポリイミド−樹脂微粒子複合膜から前記樹脂微粒子を取り除く微粒子除去工程と、
を有し、
前記縮合剤が、熱により分解してイミダゾール化合物を発生させることができる化合物を含む、多孔質ポリイミド膜の製造方法。 - 多孔質ポリイミド膜を含むセパレータの製造方法であって、請求項1に記載の多孔質ポリイミド膜の製造方法により前記多孔質ポリイミド膜を製造することを含む、セパレータの製造方法。
- ポリアミド酸又はポリイミド、樹脂微粒子、及び縮合剤を含有する未焼成複合膜を、前記樹脂微粒子の分解温度未満の温度で焼成する焼成工程を有し、
前記縮合剤が、熱により分解してイミダゾール化合物を発生させることができる化合物を含む、ポリイミド−樹脂微粒子複合膜の製造方法。 - ポリアミド酸又はポリイミド、樹脂微粒子、縮合剤、及び有機溶剤を含有し、
前記縮合剤が、熱により分解してイミダゾール化合物を発生させることができる化合物を含む、ワニス。
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