WO2022255174A1 - ポリアミド酸組成物、ポリイミド、その積層体、フレキシブルデバイス、および積層体の製造方法。 - Google Patents
ポリアミド酸組成物、ポリイミド、その積層体、フレキシブルデバイス、および積層体の製造方法。 Download PDFInfo
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- WO2022255174A1 WO2022255174A1 PCT/JP2022/021319 JP2022021319W WO2022255174A1 WO 2022255174 A1 WO2022255174 A1 WO 2022255174A1 JP 2022021319 W JP2022021319 W JP 2022021319W WO 2022255174 A1 WO2022255174 A1 WO 2022255174A1
- Authority
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- WIPO (PCT)
- Prior art keywords
- polyamic acid
- polyimide
- acid composition
- weight
- laminate
- Prior art date
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- 229920005575 poly(amic acid) Polymers 0.000 title claims abstract description 311
- 229920001721 polyimide Polymers 0.000 title claims abstract description 282
- 239000004642 Polyimide Substances 0.000 title claims abstract description 229
- 239000000203 mixture Substances 0.000 title claims abstract description 120
- 238000004519 manufacturing process Methods 0.000 title claims description 38
- 239000004014 plasticizer Substances 0.000 claims abstract description 52
- 150000002989 phenols Chemical class 0.000 claims abstract description 30
- 239000002253 acid Substances 0.000 claims description 39
- 238000010438 heat treatment Methods 0.000 claims description 26
- 239000003960 organic solvent Substances 0.000 claims description 24
- 125000000962 organic group Chemical group 0.000 claims description 22
- 239000002202 Polyethylene glycol Substances 0.000 claims description 13
- 229920001223 polyethylene glycol Polymers 0.000 claims description 13
- 229920001451 polypropylene glycol Polymers 0.000 claims description 11
- 125000001931 aliphatic group Chemical group 0.000 claims description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 8
- 125000003118 aryl group Chemical group 0.000 claims description 8
- 239000011574 phosphorus Substances 0.000 claims description 8
- 229910052698 phosphorus Inorganic materials 0.000 claims description 8
- 150000002148 esters Chemical class 0.000 claims description 6
- 230000004580 weight loss Effects 0.000 claims description 6
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 76
- 239000000758 substrate Substances 0.000 abstract description 73
- 230000008569 process Effects 0.000 abstract description 38
- 230000004888 barrier function Effects 0.000 abstract description 15
- 238000004383 yellowing Methods 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 64
- 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 47
- 239000010408 film Substances 0.000 description 47
- 239000011521 glass Substances 0.000 description 39
- 150000004985 diamines Chemical class 0.000 description 33
- 239000002904 solvent Substances 0.000 description 26
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 23
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 16
- VLDPXPPHXDGHEW-UHFFFAOYSA-N 1-chloro-2-dichlorophosphoryloxybenzene Chemical compound ClC1=CC=CC=C1OP(Cl)(Cl)=O VLDPXPPHXDGHEW-UHFFFAOYSA-N 0.000 description 14
- 239000003795 chemical substances by application Substances 0.000 description 14
- -1 TFMB Chemical class 0.000 description 13
- 239000003054 catalyst Substances 0.000 description 13
- 230000018044 dehydration Effects 0.000 description 13
- 238000006297 dehydration reaction Methods 0.000 description 13
- 229910019142 PO4 Inorganic materials 0.000 description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- 238000000354 decomposition reaction Methods 0.000 description 12
- 235000021317 phosphate Nutrition 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 11
- 239000011248 coating agent Substances 0.000 description 11
- 238000000576 coating method Methods 0.000 description 11
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 11
- 239000010452 phosphate Substances 0.000 description 11
- 229910052814 silicon oxide Inorganic materials 0.000 description 11
- 125000006158 tetracarboxylic acid group Chemical group 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 239000006087 Silane Coupling Agent Substances 0.000 description 10
- 238000004040 coloring Methods 0.000 description 10
- 150000001875 compounds Chemical class 0.000 description 10
- 230000000694 effects Effects 0.000 description 10
- 230000009477 glass transition Effects 0.000 description 10
- 150000002460 imidazoles Chemical class 0.000 description 10
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 9
- 238000000137 annealing Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 238000010943 off-gassing Methods 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 238000002834 transmittance Methods 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 8
- 239000012299 nitrogen atmosphere Substances 0.000 description 8
- 238000006116 polymerization reaction Methods 0.000 description 8
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 8
- 238000006798 ring closing metathesis reaction Methods 0.000 description 8
- HVLLSGMXQDNUAL-UHFFFAOYSA-N triphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)OC1=CC=CC=C1 HVLLSGMXQDNUAL-UHFFFAOYSA-N 0.000 description 8
- 125000003368 amide group Chemical group 0.000 description 7
- 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 7
- LXCYSACZTOKNNS-UHFFFAOYSA-N diethoxy(oxo)phosphanium Chemical compound CCO[P+](=O)OCC LXCYSACZTOKNNS-UHFFFAOYSA-N 0.000 description 7
- 238000007667 floating Methods 0.000 description 7
- 125000001153 fluoro group Chemical group F* 0.000 description 7
- 239000000178 monomer Substances 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- 238000003756 stirring Methods 0.000 description 7
- 150000001408 amides Chemical class 0.000 description 6
- 230000008901 benefit Effects 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical class OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 6
- QQGYZOYWNCKGEK-UHFFFAOYSA-N 5-[(1,3-dioxo-2-benzofuran-5-yl)oxy]-2-benzofuran-1,3-dione Chemical compound C1=C2C(=O)OC(=O)C2=CC(OC=2C=C3C(=O)OC(C3=CC=2)=O)=C1 QQGYZOYWNCKGEK-UHFFFAOYSA-N 0.000 description 5
- 150000001412 amines Chemical class 0.000 description 5
- 238000009835 boiling Methods 0.000 description 5
- 125000006159 dianhydride group Chemical group 0.000 description 5
- 239000010419 fine particle Substances 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 239000013557 residual solvent Substances 0.000 description 5
- 238000005979 thermal decomposition reaction Methods 0.000 description 5
- QEDNBHNWMHJNAB-UHFFFAOYSA-N tris(8-methylnonyl) phosphite Chemical compound CC(C)CCCCCCCOP(OCCCCCCCC(C)C)OCCCCCCCC(C)C QEDNBHNWMHJNAB-UHFFFAOYSA-N 0.000 description 5
- GIWQSPITLQVMSG-UHFFFAOYSA-N 1,2-dimethylimidazole Chemical compound CC1=NC=CN1C GIWQSPITLQVMSG-UHFFFAOYSA-N 0.000 description 4
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 description 4
- SSADPHQCUURWSW-UHFFFAOYSA-N 3,9-bis(2,6-ditert-butyl-4-methylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane Chemical compound CC(C)(C)C1=CC(C)=CC(C(C)(C)C)=C1OP1OCC2(COP(OC=3C(=CC(C)=CC=3C(C)(C)C)C(C)(C)C)OC2)CO1 SSADPHQCUURWSW-UHFFFAOYSA-N 0.000 description 4
- CQMIJLIXKMKFQW-UHFFFAOYSA-N 4-phenylbenzene-1,2,3,5-tetracarboxylic acid Chemical compound OC(=O)C1=C(C(O)=O)C(C(=O)O)=CC(C(O)=O)=C1C1=CC=CC=C1 CQMIJLIXKMKFQW-UHFFFAOYSA-N 0.000 description 4
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 229910004205 SiNX Inorganic materials 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 239000003963 antioxidant agent Substances 0.000 description 4
- 230000003078 antioxidant effect Effects 0.000 description 4
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 4
- 230000032798 delamination Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 4
- 150000003018 phosphorus compounds Chemical class 0.000 description 4
- 239000002243 precursor Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- FBHPRUXJQNWTEW-UHFFFAOYSA-N 1-benzyl-2-methylimidazole Chemical compound CC1=NC=CN1CC1=CC=CC=C1 FBHPRUXJQNWTEW-UHFFFAOYSA-N 0.000 description 3
- MSXXDBCLAKQJQT-UHFFFAOYSA-N 2-tert-butyl-6-methyl-4-[3-(2,4,8,10-tetratert-butylbenzo[d][1,3,2]benzodioxaphosphepin-6-yl)oxypropyl]phenol Chemical compound CC(C)(C)C1=C(O)C(C)=CC(CCCOP2OC3=C(C=C(C=C3C=3C=C(C=C(C=3O2)C(C)(C)C)C(C)(C)C)C(C)(C)C)C(C)(C)C)=C1 MSXXDBCLAKQJQT-UHFFFAOYSA-N 0.000 description 3
- IFYXKXOINSPAJQ-UHFFFAOYSA-N 4-(4-aminophenyl)-5,5-bis(trifluoromethyl)cyclohexa-1,3-dien-1-amine Chemical compound FC(F)(F)C1(C(F)(F)F)CC(N)=CC=C1C1=CC=C(N)C=C1 IFYXKXOINSPAJQ-UHFFFAOYSA-N 0.000 description 3
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- MHABMANUFPZXEB-UHFFFAOYSA-N O-demethyl-aloesaponarin I Natural products O=C1C2=CC=CC(O)=C2C(=O)C2=C1C=C(O)C(C(O)=O)=C2C MHABMANUFPZXEB-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 125000003277 amino group Chemical group 0.000 description 3
- 239000012298 atmosphere Substances 0.000 description 3
- 150000001732 carboxylic acid derivatives Chemical group 0.000 description 3
- 239000003759 ester based solvent Substances 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000005453 ketone based solvent Substances 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 150000002894 organic compounds Chemical class 0.000 description 3
- 229920006389 polyphenyl polymer Polymers 0.000 description 3
- 230000009257 reactivity Effects 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000002194 synthesizing effect Effects 0.000 description 3
- 229920005992 thermoplastic resin Polymers 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 description 2
- CHLICZRVGGXEOD-UHFFFAOYSA-N 1-Methoxy-4-methylbenzene Chemical compound COC1=CC=C(C)C=C1 CHLICZRVGGXEOD-UHFFFAOYSA-N 0.000 description 2
- XZKLXPPYISZJCV-UHFFFAOYSA-N 1-benzyl-2-phenylimidazole Chemical compound C1=CN=C(C=2C=CC=CC=2)N1CC1=CC=CC=C1 XZKLXPPYISZJCV-UHFFFAOYSA-N 0.000 description 2
- XOUQAVYLRNOXDO-UHFFFAOYSA-N 2-tert-butyl-5-methylphenol Chemical compound CC1=CC=C(C(C)(C)C)C(O)=C1 XOUQAVYLRNOXDO-UHFFFAOYSA-N 0.000 description 2
- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN SJECZPVISLOESU-UHFFFAOYSA-N 0.000 description 2
- HLBLWEWZXPIGSM-UHFFFAOYSA-N 4-Aminophenyl ether Chemical compound C1=CC(N)=CC=C1OC1=CC=C(N)C=C1 HLBLWEWZXPIGSM-UHFFFAOYSA-N 0.000 description 2
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- NKYXYJFTTIPZDE-UHFFFAOYSA-N 4-[4-amino-2-(trifluoromethyl)phenoxy]-3-(trifluoromethyl)aniline Chemical compound FC(F)(F)C1=CC(N)=CC=C1OC1=CC=C(N)C=C1C(F)(F)F NKYXYJFTTIPZDE-UHFFFAOYSA-N 0.000 description 2
- KIFDSGGWDIVQGN-UHFFFAOYSA-N 4-[9-(4-aminophenyl)fluoren-9-yl]aniline Chemical compound C1=CC(N)=CC=C1C1(C=2C=CC(N)=CC=2)C2=CC=CC=C2C2=CC=CC=C21 KIFDSGGWDIVQGN-UHFFFAOYSA-N 0.000 description 2
- VSAWBBYYMBQKIK-UHFFFAOYSA-N 4-[[3,5-bis[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]-2,4,6-trimethylphenyl]methyl]-2,6-ditert-butylphenol Chemical compound CC1=C(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)C(C)=C(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)C(C)=C1CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 VSAWBBYYMBQKIK-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- GSNUFIFRDBKVIE-UHFFFAOYSA-N DMF Natural products CC1=CC=C(C)O1 GSNUFIFRDBKVIE-UHFFFAOYSA-N 0.000 description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-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
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 239000007983 Tris buffer Substances 0.000 description 2
- STLLXWLDRUVCHL-UHFFFAOYSA-N [2-[1-[2-hydroxy-3,5-bis(2-methylbutan-2-yl)phenyl]ethyl]-4,6-bis(2-methylbutan-2-yl)phenyl] prop-2-enoate Chemical compound CCC(C)(C)C1=CC(C(C)(C)CC)=CC(C(C)C=2C(=C(C=C(C=2)C(C)(C)CC)C(C)(C)CC)OC(=O)C=C)=C1O STLLXWLDRUVCHL-UHFFFAOYSA-N 0.000 description 2
- IORUEKDKNHHQAL-UHFFFAOYSA-N [2-tert-butyl-6-[(3-tert-butyl-2-hydroxy-5-methylphenyl)methyl]-4-methylphenyl] prop-2-enoate Chemical compound CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)OC(=O)C=C)=C1O IORUEKDKNHHQAL-UHFFFAOYSA-N 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
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- 150000008064 anhydrides Chemical class 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- BGTOWKSIORTVQH-UHFFFAOYSA-N cyclopentanone Chemical compound O=C1CCCC1 BGTOWKSIORTVQH-UHFFFAOYSA-N 0.000 description 2
- 238000006356 dehydrogenation reaction Methods 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
- 239000004210 ether based solvent Substances 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000005227 gel permeation chromatography Methods 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 150000003949 imides Chemical class 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- AWJUIBRHMBBTKR-UHFFFAOYSA-N isoquinoline Chemical compound C1=NC=CC2=CC=CC=C21 AWJUIBRHMBBTKR-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
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- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000005121 nitriding Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 150000003009 phosphonic acids Chemical class 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
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- 230000009467 reduction Effects 0.000 description 2
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- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
- 150000003512 tertiary amines Chemical class 0.000 description 2
- QAEDZJGFFMLHHQ-UHFFFAOYSA-N trifluoroacetic anhydride Chemical compound FC(F)(F)C(=O)OC(=O)C(F)(F)F QAEDZJGFFMLHHQ-UHFFFAOYSA-N 0.000 description 2
- 125000005591 trimellitate group Chemical group 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- NEXZVOLIDKSFBH-UHFFFAOYSA-N (1,1-diphenyl-2-phosphonooxyethyl) 2-methylprop-2-enoate Chemical compound C=1C=CC=CC=1C(COP(O)(O)=O)(OC(=O)C(=C)C)C1=CC=CC=C1 NEXZVOLIDKSFBH-UHFFFAOYSA-N 0.000 description 1
- YRIOTLGRXFJRTJ-UHFFFAOYSA-N (1,1-diphenyl-2-phosphonooxyethyl) prop-2-enoate Chemical compound C=1C=CC=CC=1C(OC(=O)C=C)(COP(O)(=O)O)C1=CC=CC=C1 YRIOTLGRXFJRTJ-UHFFFAOYSA-N 0.000 description 1
- UKUIERGQKPPLRL-UHFFFAOYSA-N (2-tert-butyl-5-methylphenyl) ditridecyl phosphite Chemical compound CCCCCCCCCCCCCOP(OCCCCCCCCCCCCC)OC1=CC(C)=CC=C1C(C)(C)C UKUIERGQKPPLRL-UHFFFAOYSA-N 0.000 description 1
- LOCTYHIHNCOYJZ-UHFFFAOYSA-N (4-aminophenyl) 4-aminobenzoate Chemical compound C1=CC(N)=CC=C1OC(=O)C1=CC=C(N)C=C1 LOCTYHIHNCOYJZ-UHFFFAOYSA-N 0.000 description 1
- AVQQQNCBBIEMEU-UHFFFAOYSA-N 1,1,3,3-tetramethylurea Chemical compound CN(C)C(=O)N(C)C AVQQQNCBBIEMEU-UHFFFAOYSA-N 0.000 description 1
- VNQNXQYZMPJLQX-UHFFFAOYSA-N 1,3,5-tris[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]-1,3,5-triazinane-2,4,6-trione Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CN2C(N(CC=3C=C(C(O)=C(C=3)C(C)(C)C)C(C)(C)C)C(=O)N(CC=3C=C(C(O)=C(C=3)C(C)(C)C)C(C)(C)C)C2=O)=O)=C1 VNQNXQYZMPJLQX-UHFFFAOYSA-N 0.000 description 1
- VMFPJVIZINYTRD-UHFFFAOYSA-N 1,3-bis(2-methylbutan-2-yl)benzene Chemical compound CCC(C)(C)C1=CC=CC(C(C)(C)CC)=C1 VMFPJVIZINYTRD-UHFFFAOYSA-N 0.000 description 1
- WNXJIVFYUVYPPR-UHFFFAOYSA-N 1,3-dioxolane Chemical compound C1COCO1 WNXJIVFYUVYPPR-UHFFFAOYSA-N 0.000 description 1
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- 239000011859 microparticle Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 230000004899 motility Effects 0.000 description 1
- MBHINSULENHCMF-UHFFFAOYSA-N n,n-dimethylpropanamide Chemical compound CCC(=O)N(C)C MBHINSULENHCMF-UHFFFAOYSA-N 0.000 description 1
- KBJFYLLAMSZSOG-UHFFFAOYSA-N n-(3-trimethoxysilylpropyl)aniline Chemical compound CO[Si](OC)(OC)CCCNC1=CC=CC=C1 KBJFYLLAMSZSOG-UHFFFAOYSA-N 0.000 description 1
- OBKARQMATMRWQZ-UHFFFAOYSA-N naphthalene-1,2,5,6-tetracarboxylic acid Chemical compound OC(=O)C1=C(C(O)=O)C=CC2=C(C(O)=O)C(C(=O)O)=CC=C21 OBKARQMATMRWQZ-UHFFFAOYSA-N 0.000 description 1
- DOBFTMLCEYUAQC-UHFFFAOYSA-N naphthalene-2,3,6,7-tetracarboxylic acid Chemical compound OC(=O)C1=C(C(O)=O)C=C2C=C(C(O)=O)C(C(=O)O)=CC2=C1 DOBFTMLCEYUAQC-UHFFFAOYSA-N 0.000 description 1
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 1
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 description 1
- 239000012788 optical film Substances 0.000 description 1
- MPQXHAGKBWFSNV-UHFFFAOYSA-N oxidophosphanium Chemical class [PH3]=O MPQXHAGKBWFSNV-UHFFFAOYSA-N 0.000 description 1
- CDXVUROVRIFQMV-UHFFFAOYSA-N oxo(diphenoxy)phosphanium Chemical compound C=1C=CC=CC=1O[P+](=O)OC1=CC=CC=C1 CDXVUROVRIFQMV-UHFFFAOYSA-N 0.000 description 1
- 229940059574 pentaerithrityl Drugs 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- RMNODSGCFHVNDC-UHFFFAOYSA-N phenyl bis(2-propan-2-ylphenyl) phosphate Chemical compound CC(C)C1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C(C)C)OC1=CC=CC=C1 RMNODSGCFHVNDC-UHFFFAOYSA-N 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 150000003003 phosphines Chemical class 0.000 description 1
- 150000008301 phosphite esters Chemical group 0.000 description 1
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 description 1
- XZTOTRSSGPPNTB-UHFFFAOYSA-N phosphono dihydrogen phosphate;1,3,5-triazine-2,4,6-triamine Chemical compound NC1=NC(N)=NC(N)=N1.OP(O)(=O)OP(O)(O)=O XZTOTRSSGPPNTB-UHFFFAOYSA-N 0.000 description 1
- VBQCHPIMZGQLAZ-UHFFFAOYSA-N phosphorane Chemical class [PH5] VBQCHPIMZGQLAZ-UHFFFAOYSA-N 0.000 description 1
- 235000011007 phosphoric acid Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- XFZRQAZGUOTJCS-UHFFFAOYSA-N phosphoric acid;1,3,5-triazine-2,4,6-triamine Chemical compound OP(O)(O)=O.NC1=NC(N)=NC(N)=N1 XFZRQAZGUOTJCS-UHFFFAOYSA-N 0.000 description 1
- QVJYHZQHDMNONA-UHFFFAOYSA-N phosphoric acid;1,3,5-triazine-2,4,6-triamine Chemical compound OP(O)(O)=O.NC1=NC(N)=NC(N)=N1.NC1=NC(N)=NC(N)=N1 QVJYHZQHDMNONA-UHFFFAOYSA-N 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- 125000005498 phthalate group Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- AZIQALWHRUQPHV-UHFFFAOYSA-N prop-2-eneperoxoic acid Chemical compound OOC(=O)C=C AZIQALWHRUQPHV-UHFFFAOYSA-N 0.000 description 1
- WYVAMUWZEOHJOQ-UHFFFAOYSA-N propionic anhydride Chemical compound CCC(=O)OC(=O)CC WYVAMUWZEOHJOQ-UHFFFAOYSA-N 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 150000003462 sulfoxides Chemical class 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000012756 surface treatment agent Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 description 1
- IVIIAEVMQHEPAY-UHFFFAOYSA-N tridodecyl phosphite Chemical compound CCCCCCCCCCCCOP(OCCCCCCCCCCCC)OCCCCCCCCCCCC IVIIAEVMQHEPAY-UHFFFAOYSA-N 0.000 description 1
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 description 1
- BDZBKCUKTQZUTL-UHFFFAOYSA-N triethyl phosphite Chemical compound CCOP(OCC)OCC BDZBKCUKTQZUTL-UHFFFAOYSA-N 0.000 description 1
- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 0.000 description 1
- CNUJLMSKURPSHE-UHFFFAOYSA-N trioctadecyl phosphite Chemical compound CCCCCCCCCCCCCCCCCCOP(OCCCCCCCCCCCCCCCCCC)OCCCCCCCCCCCCCCCCCC CNUJLMSKURPSHE-UHFFFAOYSA-N 0.000 description 1
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 description 1
- FIQMHBFVRAXMOP-UHFFFAOYSA-N triphenylphosphane oxide Chemical compound C=1C=CC=CC=1P(C=1C=CC=CC=1)(=O)C1=CC=CC=C1 FIQMHBFVRAXMOP-UHFFFAOYSA-N 0.000 description 1
- KOWVWXQNQNCRRS-UHFFFAOYSA-N tris(2,4-dimethylphenyl) phosphate Chemical compound CC1=CC(C)=CC=C1OP(=O)(OC=1C(=CC(C)=CC=1)C)OC1=CC=C(C)C=C1C KOWVWXQNQNCRRS-UHFFFAOYSA-N 0.000 description 1
- WTLBZVNBAKMVDP-UHFFFAOYSA-N tris(2-butoxyethyl) phosphate Chemical compound CCCCOCCOP(=O)(OCCOCCCC)OCCOCCCC WTLBZVNBAKMVDP-UHFFFAOYSA-N 0.000 description 1
- GTRSAMFYSUBAGN-UHFFFAOYSA-N tris(2-chloropropyl) phosphate Chemical compound CC(Cl)COP(=O)(OCC(C)Cl)OCC(C)Cl GTRSAMFYSUBAGN-UHFFFAOYSA-N 0.000 description 1
- ILLOBGFGKYTZRO-UHFFFAOYSA-N tris(2-ethylhexyl) phosphite Chemical compound CCCCC(CC)COP(OCC(CC)CCCC)OCC(CC)CCCC ILLOBGFGKYTZRO-UHFFFAOYSA-N 0.000 description 1
- NURJXHUITUPBOD-UHFFFAOYSA-N tris(2-methylpropyl) phosphite Chemical compound CC(C)COP(OCC(C)C)OCC(C)C NURJXHUITUPBOD-UHFFFAOYSA-N 0.000 description 1
- QEEHNBQLHFJCOV-UHFFFAOYSA-N tris(2-phenylphenyl) phosphate Chemical compound C=1C=CC=C(C=2C=CC=CC=2)C=1OP(OC=1C(=CC=CC=1)C=1C=CC=CC=1)(=O)OC1=CC=CC=C1C1=CC=CC=C1 QEEHNBQLHFJCOV-UHFFFAOYSA-N 0.000 description 1
- JZNDMMGBXUYFNQ-UHFFFAOYSA-N tris(dodecylsulfanyl)phosphane Chemical compound CCCCCCCCCCCCSP(SCCCCCCCCCCCC)SCCCCCCCCCCCC JZNDMMGBXUYFNQ-UHFFFAOYSA-N 0.000 description 1
- QQBLOZGVRHAYGT-UHFFFAOYSA-N tris-decyl phosphite Chemical compound CCCCCCCCCCOP(OCCCCCCCCCC)OCCCCCCCCCC QQBLOZGVRHAYGT-UHFFFAOYSA-N 0.000 description 1
- PEXOFOFLXOCMDX-UHFFFAOYSA-N tritridecyl phosphite Chemical compound CCCCCCCCCCCCCOP(OCCCCCCCCCCCCC)OCCCCCCCCCCCCC PEXOFOFLXOCMDX-UHFFFAOYSA-N 0.000 description 1
- 238000000870 ultraviolet spectroscopy Methods 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- 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
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/22—Layered products comprising a layer of synthetic resin characterised by the use of special additives using plasticisers
-
- 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
-
- 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
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
-
- 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
- C08G73/1039—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors comprising halogen-containing substituents
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/05—Alcohols; Metal alcoholates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
- C08L71/02—Polyalkylene oxides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
- C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08L79/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- 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
Definitions
- the present invention relates to polyamic acid compositions and polyimides.
- the invention further relates to laminates, flexible devices, and methods of manufacturing laminates.
- polyimide e.g polyimide
- CTE coefficient of linear thermal expansion
- Aromatic polyimides are generally colored yellowish brown due to the formation of intramolecular conjugation and charge transfer (CT) complexes.
- CT charge transfer
- the substrate is not required to be transparent because light is extracted from the opposite side of the substrate. Therefore, in top-emission type organic ELs, general aromatic polyimides have been used as substrates.
- the substrate such as a transparent display, a bottom emission type organic EL, and a liquid crystal display
- a smartphone or the like is used as a full-screen display
- the substrate is also required to have high optical characteristics.
- Patent Documents 1 and 2 in order to reduce the coloring of polyimide, by using an aliphatic monomer to suppress the formation of a CT complex (Patent Documents 1 and 2), polyimide by using a monomer having a fluorine atom and a sulfur atom transparency can be improved (Patent Document 3).
- Japanese Patent Application Laid-Open No. 2016-29177 (published on March 3, 2016) Japanese Patent Application Laid-Open No. 2012-41530 (published on March 1, 2012) Japanese Patent Application Laid-Open No. 2014-70139 (published on April 21, 2014)
- One embodiment of the present invention has been made in view of the above problems, and its objectives are (a) transparency, (b) heat resistance, and (c) polyimide and barrier film and/or substrate during high-temperature processes. and (d) a novel polyimide excellent in colorability after a high-temperature process, and a polyamic acid composition as a precursor of the polyimide. More specifically, one embodiment of the present invention provides (a) excellent transparency, (b) high heat resistance, and (c) polyimide and a barrier film laminated on polyimide even during high temperature processes exceeding 400°C.
- a polyimide e.g., SiOx and SiNx, etc.
- a polyamic acid composition as a precursor of the polyimide.
- a composition (a polyamic acid composition) containing a specific polyamic acid, a plasticizer and a phenolic compound is an imide.
- Sufficient molecular motion is imparted to the polyimide obtained by the imidization process.
- the polyimide (a) has excellent transparency, (b) has high heat resistance, and (c) generates little outgassing even during high temperature processes exceeding 400 ° C. Therefore, the polyimide and the substrate (for example, a glass substrate) and/or no peeling and/or lifting at the interface with the barrier film, that is, it should be able to withstand high temperature processes, and (d) little coloration after high temperature processes.
- the polyamic acid composition according to one embodiment of the present invention is characterized in that Y in the following general formula (1) is at least one divalent organic group selected from the group of the following formula (2). Contains polyamic acid and plasticizers and phenolic compounds. (In the formula, X is a tetravalent organic group and each R 1 is independently a hydrogen atom or a monovalent aliphatic or aromatic group).
- the polyimide produced using the polyamic acid composition according to one embodiment of the present invention has (a) excellent transparency, (b) high heat resistance, and (c) even in a high temperature process exceeding 400 ° C. There is no peeling and/or lifting at the interface between the polyimide and the substrate (eg glass substrate) and/or barrier film, and (d) less coloring after high temperature processing.
- One embodiment of the present invention relates to a polyamic acid composition, a polyimide, a laminate, a flexible device, and a method for producing a laminate. More specifically, one embodiment of the present invention is an electronic device material using polyimide, a TFT substrate, a flexible display substrate, a color filter, a printed matter, an optical material, a liquid crystal display device, an image display device such as an organic EL and an electronic paper. , 3-D displays, solar cells, touch panels, transparent conductive film substrates, and alternative materials for parts where glass is currently used.
- the polyimides described in Patent Documents 1 and 2 have high transparency and a low CTE, but they have an aliphatic structure, so they have a low thermal decomposition temperature and cannot be applied to high-temperature processes for forming electronic elements.
- the polyimide described in Patent Document 3 has high transparency, the polyimide described in Patent Document 3 contains fluorine atoms.
- polyimides containing fluorine atoms have poor reactivity and a slow imidization rate, so that low molecular weight components may be generated due to decomposition of polyamic acid during imidization.
- polyimide containing fluorine atoms does not proceed completely when the process temperature for film formation is lower than the glass transition temperature of the polyimide. Furthermore, the present inventors have verified that polyimide containing fluorine atoms generates hydrogen fluoride from around 350° C. due to decomposition gas. Therefore, polyimides containing fluorine atoms generate water due to the progress of imidization in manufacturing processes such as displays, for example, in high-temperature processes exceeding 400 ° C. such as manufacturing TFT elements, decomposition, volatilization of residual solvents and low molecular weight components, etc.
- the polyimide containing fluorine atoms is colored, and peels off, lifts, and/or corrodes at the interface between the polyimide and the barrier film laminated on the polyimide. , was found to lack process suitability.
- One embodiment of the present invention has been accomplished in view of the above circumstances.
- One embodiment of the present invention provides (a) excellent transparency, (b) high heat resistance, and (c) barrier films (e.g., SiOx and SiNx etc.) and / or without peeling and / or floating at the interface with the substrate, and (d) polyimide with less coloring after high temperature processing, and a polyamic acid composition as a precursor of the polyimide. do.
- Another object of one embodiment of the present invention is to provide a product and/or a member that requires high heat resistance and transparency using the polyimide and polyamic acid.
- One embodiment of the present invention is particularly applicable to the use of forming the polyimide and polyamic acid according to one embodiment of the present invention on the surface of inorganic substances such as glass, metals, metal oxides and single crystal silicon. or to provide a member.
- the polyamic acid composition according to one embodiment of the present invention is characterized in that Y in the following general formula (1) is at least one divalent organic group selected from the group of the following formula (2): A polyamic acid composition containing a polyamic acid, a plasticizer and a phenolic compound. (In the formula, X is a tetravalent organic group. Each R 1 is independently a hydrogen atom or a monovalent aliphatic or aromatic group.)
- a polyamic acid composition according to one embodiment of the present invention may be composed as follows: Including a polyamic acid, a plasticizer and a phenolic compound, the polyamic acid has a structure represented by the general formula (1), and Y in the general formula (1) is from the group of the formula (2) It is at least one selected divalent organic group.
- the polyamic acid composition according to one embodiment of the present invention has the above-described structure, it has (a) excellent transparency, (b) high heat resistance, and (c) polyimide even in a high temperature process exceeding 400 ° C. and barrier films (e.g., SiOx and SiNx) laminated on polyimide and/or there is no peeling and/or lifting at the interface with the substrate, and (d) polyimide with little coloration after high-temperature processing can be provided. . Therefore, the polyamic acid composition according to one embodiment of the present invention and the polyimide obtained by imidizing the polyamic acid composition are suitable as films and/or substrates for members requiring heat resistance and transparency. is.
- barrier films e.g., SiOx and SiNx
- polyamic acid A polyamic acid can be obtained by reacting a diamine and an acid dianhydride.
- the structure derived from the raw material diamine in polyamic acid is sometimes referred to as "the diamine (component) that constitutes the polyamic acid", and the structure derived from the raw acid dianhydride in the polyamic acid is called “the acid diamine that constitutes the polyamic acid”. may be referred to as "anhydride (component)".
- the general formula (1) is (a) a structure derived from a diamine derived from 2,2-bis(trifluoromethyl)benzidine (TFMB) and / or 4-amino It preferably contains a structure derived from a diamine derived from phenyl-4-aminobenzoate (4-BAAB) and (b) a structure derived from an acid dianhydride.
- the diamine constituting the general formula (1) is 2,2-bis(trifluoromethyl)benzidine (TFMB) and/or 4-aminophenyl- 4-aminobenzoate (4-BAAB) is preferred.
- TFMB and 4-BAAB have a rigid structure. Therefore, when the diamine constituting the polyamic acid according to one embodiment of the present invention is TFMB and / or 4-BAAB, the polyimide exhibits high Tg, low CTE, low internal stress and excellent mechanical strength, and even higher It has the advantage of exhibiting transparency. It should be noted that the lower the CTE of the polyimide and/or the lower the internal stress of the polyimide, the more the interface between the polyimide and the substrate and/or the barrier film during high temperature processes, which is also one of the problems of one embodiment of the present invention. delamination and/or lifting can be reduced or prevented.
- the polyamic acid according to one embodiment of the present invention may contain a structure derived from a diamine component other than TFMB or 4-BAAB as long as it does not impair its performance.
- diamine components other than TFMB or 4-BAAB include 1,4-diaminocyclohexane, 1,4-phenylenediamine, 1,3-phenylenediamine, 9,9-bis(4-aminophenyl)fluorene, 4, 4'-oxydianiline, 3,4'-oxydianiline, 2,2'-bis(trifluoromethyl)-4,4'-diaminodiphenyl ether, 4,4'-diaminobenzanilide, N,N'- bis(4-aminophenyl)terephthalamide, 4,4'-diaminodiphenylsulfone, m-tolidine, o-tolidine, 4,4'-bis(aminophenoxy)biphenyl, 2-(4-aminoph
- diamine components other than TFMB or 4-BAAB may be used alone or in combination of two or more.
- diamine components other than TFMB or 4-BAAB (a) 1,4-phenylenediamine and 9,9-bis(4-aminophenyl)fluorene are desirable from the viewpoint of improving heat resistance and Tg of polyimide. and (b) 4,4'-oxydianiline and 2,2'-bis(trifluoromethyl)-4,4'-diaminodiphenyl ether are preferred for improving the mechanical properties of polyimide.
- TFMB or 4-BAAB is 50 mol% or more of the diamine constituting the polyamic acid. is preferably 70 mol % or more, more preferably 80 mol % or more, and may be 100 mol %.
- the tetravalent organic group X contained in the general formula (1) is preferably an organic group other than an anhydride of tetracarboxylic dianhydride.
- the tetravalent organic group X contained in the general formula (1) is a tetravalent organic group derived from pyromellitic dianhydride, represented in order from the left in the following formula (3), 3,3'4 , a tetravalent organic group derived from 4′-biphenyltetracarboxylic dianhydride, a tetravalent organic group derived from 9,9-bis(3,4-dicarboxyphenyl)fluoric dianhydride, and 4 ,4-oxydiphthalic dianhydride is more preferably one selected from the group consisting of tetravalent organic groups derived from dianhydride.
- X in general formula (1) is preferably at least one tetravalent organic group selected from the group of formula (3) below. According to this configuration, the heat resistance of the polyimide is increased, and there is an advantage that the polyimide is less likely to be colored even in a process exceeding 400°C.
- the tetravalent organic group X contained in the general formula (1) may be one type, or two or more types.
- Acid dianhydrides suitably used in one embodiment of the present invention include pyromellitic dianhydride, 3,3′4,4′-biphenyltetracarboxylic dianhydride, 1,4-phenylenebis(trimellitate acid dianhydride), 2,3,6,7-naphthalenetetracarboxylic dianhydride, 1,2,5,6-naphthalenetetracarboxylic dianhydride, 2,2′,3,3′-biphenyltetra Carboxylic dianhydride, 3,3′,4,4′-benzophenonetetracarboxylic dianhydride, 9,9-bis(3,4-dicarboxyphenyl)fluoric dianhydride, 4,4′-oxydiphthal acid dianhydride, 4,4'-(hexafluoroisopropylidene)diphthalic anhydride, dicyclohexyl-3,3',4,4'-tetracarboxylic dianhydride, 1,2,
- pyromellitic dianhydride (PMDA) and 3,3′4,4′-biphenyltetracarboxylic acid (BPDA) improve heat resistance, Tg, and mechanical strength of polyimides.
- BPAF 9,9-bis(3,4-dicarboxyphenyl)fluoric dianhydride
- ODPA 4,4′-oxydiphthalic dianhydride
- PMDA is preferably 30 mol % or more of the acid dianhydrides constituting the polyamic acid when the total acid dianhydrides constituting the polyamic acid is 100 mol %. From the balance between the improvement of the transparency of the polyimide and the reduction of the internal stress, when the total acid dianhydride constituting the polyamic acid is 100 mol%, PMDA is 30 mol% or more and 100 mol% or less of the acid dianhydride constituting the polyamic acid. , more preferably 40 mol % or more and 90 mol % or less, and even more preferably 50 mol % or more and 80 mol % or less.
- BPAF also has a bulky structure derived from the fluorene structure. Therefore, crystallization of polyimide obtained by imidating a polyamic acid composition containing the polyamic acid can be suppressed only by containing a small amount of a structure derived from BPAF in the polyamic acid. Therefore, when the total acid dianhydride constituting polyamic acid is 100 mol%, BPAF is preferably 1 mol% or more of the acid dianhydride constituting polyamic acid, more preferably 3 mol% or more. It is more preferably 5 mol % or more, and may be 10 mol % or more.
- BPAF is preferably 50 mol% or less of the acid dianhydride constituting polyamic acid, and 40 mol% or less. is more preferably 30 mol % or less.
- the polyimide has a low YI, a low internal stress, and excellent glass transition temperature and heat resistance. performance.
- a polyamic acid according to one embodiment of the present invention can be synthesized by a known general method.
- the polyamic acid according to one embodiment of the present invention can be obtained by reacting a diamine and a tetracarboxylic dianhydride in an organic solvent.
- diamine is dissolved in an organic solvent or dispersed in a slurry form to obtain a diamine solution.
- the tetracarboxylic dianhydride is dissolved in an organic solvent or dispersed in a slurry state (tetracarboxylic dianhydride solution).
- a tetracarboxylic dianhydride solution may then be added to the diamine solution.
- the tetracarboxylic dianhydride may be added in solid form to the diamine solution.
- the number of moles of the total amount of the single (one) or multiple diamine components, and the single (one) or multiple tetracarboxylic dianhydride Polyamic acid copolymer can be arbitrarily obtained by adjusting the number of moles of the total amount of the physical components. Also, by blending two kinds of polyamic acids, it is possible to obtain a polyamic acid containing a plurality of kinds of tetracarboxylic dianhydrides and diamines.
- the temperature conditions for the reaction between the diamine and the tetracarboxylic dianhydride, that is, the reaction for synthesizing polyamic acid are not particularly limited. It may be set arbitrarily within the range of up to 30 hours.
- the polyamic acid composition according to one embodiment of the present invention preferably further contains an organic solvent.
- an organic solvent there is an advantage that the moldability of the polyamic acid composition is enhanced.
- the organic solvent used for polyamic acid polymerization is preferably a solvent capable of dissolving the tetracarboxylic dianhydride and diamines used, and capable of dissolving the polyamic acid produced. solvents are preferred.
- organic solvents used in the polyamic acid synthesis reaction include (a) urea-based solvents such as tetramethylurea and N,N-dimethylethylurea, and (b) dimethylsulfoxide, diphenylsulfone and tetramethylsulfone.
- sulfoxide or sulfone solvent (c) N,N-dimethylacetamide (DMAC), N,N-dimethylformamide (DMF), N,N'-diethylacetamide, N-methyl-2-pyrrolidone (NMP), 3 -Methoxy-N,N-dimethylpropanamide, N,N-dimethylpropionamide, amide solvents such as hexamethylphosphoric acid triamide, (d) ester solvents such as ⁇ -butyrolactone, (e) chloroform and methylene chloride, etc.
- DMAC N,N-dimethylacetamide
- DMF N,N-dimethylformamide
- NMP N-methyl-2-pyrrolidone
- NMP N-methyl-2-pyrrolidone
- amide solvents such as hexamethylphosphoric acid triamide
- ester solvents such as ⁇ -butyrolactone
- chloroform and methylene chloride etc.
- aromatic hydrocarbon solvents such as benzene and toluene
- phenolic solvents such as phenol and cresol
- ketone solvents such as cyclopentanone
- tetrahydrofuran (j) 1,3-dioxolane
- k 1,4-dioxane
- dimethyl ether diethyl ether, diethylene glycol diethyl ether, diethylene glycol dimethyl ether and p-cresol methyl ether.
- One of these solvents is usually used alone, but two or more of these solvents may be used in combination as appropriate.
- the organic solvent used in the synthesis reaction of polyamic acid is a group consisting of amide-based solvents, ketone-based solvents, ester-based solvents and ether-based solvents. It is preferably one or more selected from among them, and amide solvents such as DMF, DMAC, and NMP are particularly preferred. Also, the reaction is preferably carried out under an inert atmosphere such as argon and/or nitrogen.
- the weight-average molecular weight of the polyamic acid according to one embodiment of the present invention is not particularly limited because it also depends on its use.
- the weight average molecular weight of the polyamic acid is preferably in the range of 10,000 or more and 1,000,000 or less, more preferably in the range of 20,000 to 500,000. Preferably, it is more preferably in the range of 30,000 to 200,000.
- the viscosity and solid content concentration of the polyamic acid solution are within the optimum ranges.
- the weight average molecular weight is 10,000 or more, it becomes possible to easily form a coating film or a film from polyamic acid and polyimide.
- the weight average molecular weight is 1,000,000 or less, the polyamic acid and polyimide show sufficient solubility in the solvent, so that the polyamic acid solution and the polyimide solution described later have a smooth surface and a uniform film thickness. A good coating or film can be obtained easily.
- the weight average molecular weight used here means a value measured by gel permeation chromatography (GPC) and calculated in terms of polyethylene glycol.
- the weight average molecular weight of the polyamic acid (a) either the acid dianhydride or the diamine is excessive, or (b) phthalic anhydride and a monofunctional acid anhydride such as aniline and may be reacted with an amine to quench the reaction and adjust the weight average molecular weight.
- the numerical value obtained by dividing the charge molar amount of the acid dianhydride by the charge molar amount of the diamine (also referred to as the charge molar ratio) is 0.95 to 1.05. If it is between, a polyimide (polyimide film) having sufficient strength can be obtained.
- the acid dianhydride is excessively added to form a polyimide (polyimide film) with acid dianhydride ends, it is advantageous for transparency, but decarboxylation may occur due to the decomposition of the carboxylic acid at high temperatures. have a nature. Therefore, amine termination makes it easier to suppress decomposition, but there is also an effect of coloration due to oxidation of amine. Therefore, the terminal structure of polyimide (acid dianhydride terminal or amine terminal) can be controlled according to desired properties. In addition, coloration can be suppressed by terminal blocking with phthalic anhydride, maleic anhydride, aniline, or the like, or cross-linking can be performed between or within the molecules of polyimide.
- the driving force during dehydration ring closure from polyamic acid to polyimide by thermal imidization is largely due to the molecular motion of polyimide due to heat and the plastic effect of the solvent. Therefore, in order to completely imidize the polyamic acid by thermal imidization, it is desirable to treat the polyamic acid at a higher temperature, or to treat the polyamic acid at a temperature higher than the glass transition temperature of the polyimide obtained by imidizing the polyamic acid.
- a polyamic acid obtained by combining a rigid acid dianhydride such as PMDA with TFMB and/or 4-BAAB has a glass transition temperature exceeding 400° C. of a polyimide obtained by imidizing the polyamic acid, and a monomer Although it depends on the combination, the glass transition temperature of polyimide may be higher than the heat treatment temperature at the time of film formation of polyamic acid.
- imidization may not proceed completely (incomplete). have a nature. Therefore, in this case, in the display manufacturing process (for example, dehydrogenation of the TFT element), moisture is generated due to progress of imidization, and outgassing is generated due to decomposition of polyamic acid and generation of low-molecular-weight components. As a result, the barrier film may peel off from the polyimide, and the TFT element may be affected.
- a plasticizer sufficient molecular motion is imparted to polyimide during imidization, and not only does imidization proceed completely, but also depolymerization of polyamic acid is suppressed, suppressing the generation of outgassing components. can be done. Furthermore, by imparting molecular mobility to the polyimide resin, the solvent can be easily removed from the polyimide, the amount of residual solvent in the film can be reduced, and coloring of the film itself and reduction of outgassing can be expected.
- the plasticizer according to one embodiment of the present invention is preferably soluble in the solvent used to polymerize the polyamic acid and exists as a liquid during imidization.
- the plasticizer preferably does not volatilize at low temperatures. Therefore, the boiling point of the plasticizer according to one embodiment of the present invention is preferably 50° C. or higher, more preferably 100° C. or higher, even more preferably 150° C. or higher, and preferably does not have a decomposition temperature below the boiling point.
- the amount of plasticizer added (also referred to as content or amount used) varies depending on the compatibility between the plasticizer and polyamic acid and the desired physical properties of the polyimide. From the viewpoint of imparting molecular mobility to polyimide and avoiding the influence of decomposition of the plasticizer itself, the amount of plasticizer added is preferably 20 parts by weight or less per 100 parts by weight of polyamic acid. 001 parts by weight or more and 20 parts by weight or less, more preferably 0.01 parts by weight or more and 15 parts by weight or less, and more preferably 0.1 parts by weight or more and 10.0 parts by weight or less. It is more preferably 1 to 5.0 parts by weight, more preferably 0.1 to 3.0 parts by weight, and 0.1 to 2.0 parts by weight. is more preferred. In other words, the polyamic acid composition preferably contains the plasticizer in an amount within the range described above.
- the plasticizer according to one embodiment of the present invention not only improves the molecular motion of polyimide when polyamic acid undergoes dehydration ring closure to polyimide, but also adjusts the glass transition temperature, flame retardancy and oxidation prevention, etc. function can be imparted to polyimide.
- a known plasticizer can be used as the plasticizer.
- plasticizers include phthalates, adipates, trimellitates, polyesters, phosphorus-based esters, citrate esters, epoxy-based plasticizers, phosphorus-based plasticizers, polyethylene glycol and polypropylene glycol. is mentioned.
- a low-molecular-weight organic compound and/or a thermoplastic resin may be used as the plasticizer.
- the plasticizer is one or more selected from the group consisting of phosphorus-based compounds, polyethylene glycol, and polypropylene glycol. In other words, it is preferred that the plasticizer contains phosphorus. Alternatively, it is preferred that the plasticizer comprises polyethylene glycol, polypropylene glycol and/or aliphatic dibasic acid ester.
- Phosphorus compounds used as plasticizers in one embodiment of the present invention are not particularly limited.
- Phosphorus compounds used as plasticizers are preferably phosphoric acids, phosphorous acids, phosphonic acids, phosphinic acids, phosphines, phosphine oxides, phosphoranes, phosphazenes, etc. represented by the following general formula (4). .
- These phosphorus compounds may be esters and condensates thereof, may contain a cyclic structure, and may form salts with amines and the like.
- some of these phosphorus-based compounds, such as phosphites and phosphonic acids are in a tautomeric relationship, but may exist in either state.
- R 2 , R 3 and R 4 each independently represent a hydrogen atom or a monovalent or polyvalent organic group
- R 5 represents a polyvalent organic group
- n represents a repeating unit.
- phosphorus compounds include trimethyl phosphate, triethyl phosphate, tributyl phosphate, tri(2-ethylhexyl) phosphate, tributoxyethyl phosphate, triphenyl phosphate, tricresyl phosphate, trixylenyl phosphate, and tris(isopropylphenyl).
- Phosphate tris(phenylphenyl) phosphate, trinaphthyl phosphate, cresyl diphenyl phosphate, xylenyl diphenyl phosphate, diphenyl (2-ethylhexyl) phosphate, di(isopropylphenyl) phenyl phosphate, monoisodecyl phosphate, 2-acryloyloxyethyl Acid phosphate, 2-methacryloyloxyethyl acid phosphate, diphenyl-2-acryloyloxyethyl phosphate, diphenyl-2-methacryloyloxyethyl phosphate, melamine phosphate, dimelamine phosphate, melamine pyrophosphate, triphenylphosphine oxide, tricresylphosphine oxide , diphenyl methanephosphonate, diethyl phenylphosphonate, resircino
- condensates examples include trialkyl polyphosphate, resorcinol polyphenyl phosphate, resorcinol poly(di-2,6-xylyl) phosphate (manufactured by Daihachi Chemical Industry Co., Ltd., trade name PX-200), and hydroquinone poly(2,6-xylyl).
- Dyl phosphates (trade names FP-600, FP-700, etc.) can be mentioned.
- These phosphorus-based compounds may be used singly or in combination of two or more. can.
- Phosphazenes include phenoxycyclophosphazene (trade name: FP-110, manufactured by Fushimi Pharmaceutical Co., Ltd.), cyclic cyanophenoxyphosphazene (trade name: FP-300, Fushimi Pharmaceutical Co., Ltd.), and the like.
- Polypropylene glycol and polyethylene glycol are each represented by general formula (5).
- n in general formula (5) represents a repeating unit.
- the compound represented by the formula on the left side of general formula (5) is polypropylene glycol
- the compound represented by the formula on the right side is polyethylene glycol.
- the number average degree of polymerization (value of n in general formula (5)) of polypropylene glycol and polyethylene glycol is preferably 200 or more and 10,000 or less, more preferably 300 or more and 6,000 or less, and even more preferably 400 or more and 4,000 or less.
- Aliphatic dibasic acid esters are specifically dibutyl adipate, diisobutyl adipate, bis(2-ethylhexyl) adipate, diisonyl adipate, diisodecyl adipate, bis[2-(2-butoxyethoxy)ethyl]adipate, bis(2-ethylhexyl) ) azelate, dibutyl sebacate, bis(2-ethylhexyl) sebacate, diethyl succinate and the like.
- the plasticizers in one embodiment of the present invention are (a) diethylphosphite (DEPi), triphenylphosphite (TPPi), 3,9-bis(2,6-di-tert-butyl-4-methylphenoxy) -selected from the group consisting of 2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]andecane (PEP-36), triisodecylphosphite (3010), polypropylene glycol and polyethylene glycol (b) diethylphosphite (DEPi), triphenylphosphite (TPPi), 3,9-bis(2 ,6-ditertobutyl-4-methylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]andecane (PEP-36), triisodecylphosphite (3010) and More preferably, it contains one or more selected from the group consisting
- a low-molecular-weight organic compound and/or a thermoplastic resin may be used as a plasticizer as long as it exhibits a plasticizing effect.
- the low-molecular-weight organic compound in one embodiment of the present invention generally has a molecular weight of about 1000 or less.
- maleimides such as N,Np-phenylenebismaleimide and 2,2-(ethylenedioxy)bis(ethylmaleimide).
- Thermoplastic resins include polyimides and polyamides having an asymmetric structure. These plasticizers may be dissolved in a solvent before polymerization of the polyamic acid, or may be added to the polyamic acid solution afterward.
- the phenol-based compound according to one embodiment of the present invention functions as an antioxidant and has the effect of suppressing the coloring of polymers, so it is suitable for applications where transparency is required.
- the phenolic compound in one embodiment of the present invention is soluble in the solvent used to polymerize the polyamic acid and exists as a liquid during imidization. From the point of suppressing the coloring of the film, it is desirable that it remains during imidization, so the boiling point of the phenolic compound is preferably 50 ° C. or higher, more preferably 100 ° C. or higher, further preferably 150 ° C. or higher, and decomposes below the boiling point. It is desirable to have no temperature.
- phenolic compounds include hindered type, semi-hindered type, and less hindered type.
- Specific examples of phenolic compounds include dibutylhydroxytoluene, ethylenebis(oxyethylene)bis-(3-(5-tert-butyl-4-hydroxy-m-tolyl)propionate (trade name: Irganox245), 1,3.5-tris(3,5-di-tert-butyl-4-hydroxybenzyl)-1,3,5-triazine-2,4,6(1H,3H,5H)trione (trade name: AO- 20), 4,4,4-(1-methylpropanyl-3-ylidene)tris(6-tert-butyl-m-cresol) (trade name: AO-30), 6,6-di-tert-butyl -4,4-butylidenedi-m-cresol (trade name: AO-40), octadecyl-3-(3,5-di-tert-butyl-4-
- GA-80 Sumilizer GS, Sumilizer GP, and Sumilizer GM are preferable among the above-mentioned ones from the viewpoint of resistance to the nitriding oxide (gas) and suppression of coloring of the phenolic compound itself.
- Phenol-based compounds mainly capture peroxy radicals and convert them into hydroperoxides, functioning as primary antioxidants that suppress autoxidation of polymers, so they have the effect of suppressing coloration due to oxidation of polymers. Furthermore, a further synergistic effect can be obtained by combining a phosphite or the like, which has the function of a secondary antioxidant that converts hydroperoxide into a stable alcohol compound, with a phenolic compound. For example, when the amount of phosphite is about 1 to 10 equivalents relative to 1 equivalent of the phenolic compound, it is possible to efficiently suppress the generation of radicals and suppress the coloring of the polymer.
- the phosphite ester functions both as the above-mentioned plasticizer and as the above-mentioned secondary antioxidant. Therefore, even when a phosphite is used as a plasticizer, it is possible to efficiently suppress the generation of radicals and suppress the coloring of the polymer.
- the amount of the phenol compound in the polyamic acid composition (also referred to as the content or amount used) is 10 parts by weight or less per 100 parts by weight of the polyamic acid in order to obtain a sufficient plasticizing effect and antioxidant effect. is preferably 0.001 to 10 parts by weight, more preferably 0.01 to 5 parts by weight, and 0.02 to 1 part by weight is more preferable.
- the phenolic compound may be dissolved in a solvent before polymerization of the polyamic acid, or added to the polyamic acid solution afterward.
- the polyamic acid composition preferably contains the phenolic compound in an amount within the range described above.
- a polyimide according to an embodiment of the present invention can be obtained by a known method, and its production method is not particularly limited. From the availability of monomers and the ease of polymerization, the polyimide according to one embodiment of the present invention is a polyamic acid that is a precursor thereof or a composition containing the polyamic acid (for example, the polyamic acid composition according to one embodiment of the present invention It is preferable to obtain from In other words, the polyimide according to one embodiment of the present invention is an imidized product of the polyamic acid composition according to one embodiment of the present invention, and is obtained by imidizing the polyamic acid composition according to one embodiment of the present invention. , can also be said.
- a method for imidating the polyamic acid or the polyamic acid composition to obtain polyimide using the polyamic acid or the polyamic acid composition will be described. Imidization is carried out by dehydration and ring closure of the polyamic acid. This dehydration ring closure can be carried out by an azeotropic method using an azeotropic solvent, a thermal method, or a chemical method. Also, the ratio of imidization from polyamic acid (or polyamic acid in the polyamic acid composition) to polyimide can be any ratio of 1% to 100%. That is, a partially imidized polyamic acid or polyamic acid composition may be synthesized.
- the ring closure reaction from polyamic acid to polyimide and the hydrolysis of polyamic acid can proceed simultaneously. Therefore, the molecular weight of the resulting polyimide may be lower than that of the polyamic acid, or the polyimide may be colored due to oxidation of terminal diamines produced by hydrolysis. Therefore, a polyamic acid solution partially imidized in advance is preferable from the viewpoint of the transparency and mechanical properties of the polyimide.
- a solution containing polyamic acid and an organic solvent is referred to as a polyamic acid solution.
- the organic solvent contained in the polyamic acid solution the same organic solvent as the organic solvent used in the synthetic reaction of the polyamic acid can be used.
- an organic solvent selected from amide-based solvents, ketone-based solvents, ester-based solvents and ether-based solvents can be used more preferably.
- amide solvents such as DMF, DMAC, and NMP can be particularly suitably used.
- a polyamic acid composition according to one embodiment of the present invention is produced by adding a plasticizer and a phenolic compound to the polyamic acid solution obtained as described above and stirring the resulting mixture. can be done.
- the stirring device and stirring conditions used for producing the polyamic acid composition are not particularly limited, and known devices and conditions can be used as appropriate.
- the dehydration ring closure of the polyamic acid may be performed by heating the polyamic acid.
- the method of heating the polyamic acid is not particularly limited.
- the heat treatment of the support may be performed within the range of 500°C.
- a polyamic acid solution or a polyamic acid composition is directly put into a container that has been subjected to mold release treatment such as coating with a fluororesin, and the polyamic acid solution or the polyamic acid composition is heated and dried under reduced pressure to obtain a polyamic acid.
- dehydration ring closure can also be performed.
- Polyimide can be obtained by dehydration ring closure of polyamic acid by such a technique.
- the heating time for each of the above treatments varies depending on the amount of polyamic acid solution or polyamic acid composition to be subjected to dehydration ring closure and/or the heating temperature. It is preferable to carry out in the range of to 5 hours. Also, in order to shorten the heating time and develop properties, an imidizing agent and / or a dehydrating catalyst is added to the polyamic acid solution or the polyamic acid composition, and the imidizing agent and / or the dehydrating catalyst is added to the polyamic acid solution or The polyamic acid composition may be imidized by heating as described above.
- a tertiary amine can be used as the imidizing agent.
- a heterocyclic tertiary amine is more preferable as the tertiary amine.
- Preferable specific examples of heterocyclic tertiary amines include pyridine, picoline, quinoline, isoquinoline, 1,2-dimethylimidazole and the like.
- Preferable specific examples of the dehydration catalyst include acetic anhydride, propionic anhydride, n-butyric anhydride, benzoic anhydride, and trifluoroacetic anhydride.
- the amount of the imidizing agent and the dehydration catalyst added to the polyamic acid solution or polyamic acid composition will be explained.
- the imidizing agent is used in an amount of 0.5 to 5.0 molar equivalents, more preferably 0.7 to 2.5 molar equivalents, particularly 0.5 to 5.0 molar equivalents, relative to the amide group (mol) of the polyamic acid. 8-fold molar equivalents to 2.0-fold molar equivalents are preferred.
- the dehydration catalyst is 0.5 to 10.0 molar equivalents, further 0.7 to 5.0 molar equivalents, particularly 0 to the amide group (mol) of polyamic acid. 0.8-fold molar equivalents to 3.0-fold molar equivalents are preferred.
- the imidizing agent and/or the dehydrating catalyst may be directly added to the polyamic acid solution or the polyamic acid composition without being dissolved in an organic solvent.
- an imidizing agent dissolved in an organic solvent and/or a dehydrating catalyst may be added to the polyamic acid solution or composition.
- the imidizing agent and/or the dehydrating catalyst are dispersed in the polyamic acid solution or the polyamic acid composition.
- the imidization reaction may progress rapidly and gel may be generated. Therefore, it is more preferable to add a solution obtained by dissolving the imidizing agent and/or the dehydration catalyst in an organic solvent to the polyamic acid solution or the polyamic acid composition and mix them.
- the polyimide (polyimide film) produced from the polyamic acid or polyamic acid composition according to one embodiment of the present invention is colorless and transparent, has a low degree of yellowness, and has Tg and heat resistance that can withstand the TFT manufacturing process. is doing. Therefore, the polyimide (polyimide film) obtained by imidating the polyamic acid composition according to one embodiment of the present invention is suitable for use in transparent substrates of flexible displays.
- a flexible substrate is formed on an inorganic film such as glass as a support, and electronic elements such as TFTs are formed on it (flexible device).
- the process of forming a TFT is generally performed in a wide temperature range of 150° C. to 650° C. However, in order to actually achieve the desired performance, the oxide semiconductor and/or a-Si are formed at 300° C. or higher. In some cases, a-Si or the like is further crystallized with a laser or the like to form LTPS (Low Temperature Polysilicon).
- LTPS Low Temperature Polysilicon
- a flexible device having a polyimide according to an embodiment of the present invention and electronic elements formed on the polyimide is also an embodiment of the present invention.
- the thermal decomposition temperature of polyimide (polyimide film) is low, outgassing is generated during element formation, and the outgassing adheres to the oven as a sublimate, causing contamination inside the oven and causing damage to the polyimide film.
- the 1% weight loss temperature of polyimide (polyimide film) is preferably 500° C. or higher, and the higher the better.
- SiOx and/or SiNx may be formed on a polyimide film as a barrier film before TFT fabrication. If the heat resistance of the polyimide is low, the imidization has not progressed completely, and/or the residual solvent in the polyimide is large, the decomposition of the polyimide occurs in a high-temperature process after lamination of the inorganic film, such as the dehydrogenation step of LTPS. Delamination may occur at the interface between the polyimide and the inorganic film due to volatile components such as gases.
- the 1% weight loss temperature of polyimide is 500°C or higher, and that the amount of outgas generated from polyimide when isothermally maintained at 400°C to 500°C is small.
- an inorganic film such as SiOx on polyimide (polyimide film)
- peeling occurred between the polyimide film and the inorganic film (interface). and peeling).
- the higher the processing temperature the better the performance of the TFT.
- the Tg of polyimide is significantly lower than the process temperature, there is a possibility that misalignment or the like will occur during element formation. Therefore, when used as a flexible substrate, the Tg of polyimide (polyimide film) is preferably 300° C. or higher, more preferably 350° C. or higher, and more preferably 400° C. or higher. Furthermore, if the glass substrate used as a support and/or the internal stress generated between the electronic element and the polyimide (polyimide film) (interface) is high, after expanding in the TFT process at a high temperature, when the glass shrinks when cooled to room temperature, the glass Problems such as warping and breakage of the substrate and delamination of the flexible substrate from the glass substrate may occur.
- the internal stress generated between the polyimide (polyimide film) and the glass substrate is preferably 30 MPa or less, more preferably 25 MPa or less, and most preferably 20 MPa or less.
- a polyimide according to one embodiment of the present invention can be suitably used as a display substrate material such as a TFT substrate and a touch panel substrate.
- a production method is used in which a laminate of a support and polyimide is produced, an electronic element is formed thereon (on the polyimide), and finally the polyimide layer is peeled off.
- alkali-free glass is preferably used as the support.
- a method for producing a laminate of polyimide and a support and a method for producing polyimide via the laminate will be specifically described. These are examples of methods for producing polyimide, and are not limited to the following.
- a polyamic acid solution or polyamic acid composition is cast on a support, and a laminate of this support and the polyamic acid solution or polyamic acid composition is heated at a temperature of 40° C. to 200° C. for 3 to 120 minutes. is preferred. Alternatively, the laminate may be dried at two stages of temperatures, for example, at 50° C. for 30 minutes and then at 100° C. for 30 minutes.
- the laminate of the support and the polyamic acid solution or polyamic acid composition is heated at a temperature of 200° C. to 470° C. for 3 to 300 minutes to laminate the support and the polyimide.
- a body laminate comprising a support and polyimide
- the heating rate in heating the laminate is preferably 2° C./min to 10° C./min, more preferably 4° C./min to 10° C./min.
- the maximum temperature for heating the laminate is preferably in the temperature range of 250.degree. C. to 470.degree. When the maximum temperature is 250° C. or higher, imidization proceeds sufficiently, and when the maximum temperature is 450° C. or lower, thermal deterioration and coloration of the polyimide can be suppressed. Also, the laminate may be held at any temperature for any length of time until the maximum temperature is reached.
- the heating atmosphere can be performed under air, under reduced pressure, or in an inert gas such as nitrogen, but in order to develop higher transparency of polyimide, lamination is performed under reduced pressure or in an inert gas such as nitrogen.
- Body heating is preferred.
- known devices such as a hot air oven, an infrared oven, a vacuum oven, an inert oven and a hot plate can be used.
- an imidizing agent and/or a dehydration catalyst is added to the polyamic acid solution or the polyamic acid composition, and the polyamic acid solution or the polyamic acid composition is processed by the method described above. It may be imidized by heating. In other words, a partially or wholly imidized polyamic acid can also be laminated with a support in a similar manner.
- a method for producing a laminate according to an embodiment of the present invention includes casting a polyamic acid composition according to an embodiment of the present invention on a support and imidizing the polyimide and the support by heating.
- a method of manufacturing a laminate with a body. “Casting” can also be called “coating”.
- a method for producing a laminate according to one embodiment of the present invention may have the following configuration: a method for producing a laminate, wherein the polyamic acid composition according to one embodiment of the present invention is used as a support; and a step of imidizing the polyamic acid composition by heating the obtained support, wherein the laminate comprises the polyimide and the support. manufacturing method.
- a laminate according to an embodiment of the present invention is a laminate of polyimide and a support.
- a laminate according to one embodiment of the present invention may have the following configuration: A laminate including the polyimide according to one embodiment of the present invention and a support.
- a known method can be used for peeling the polyimide (polyimide layer) from the obtained laminate of the support and polyimide.
- the polyimide may be peeled off from the support by hand, or may be peeled off from the support using a mechanical device such as a driving roll or a robot.
- a method of providing a release layer between the substrate and the polyimide (polyimide layer), and a method of forming a silicon oxide film on a substrate having a large number of grooves and soaking the polyimide from the support by infiltrating it with an etchant. can also be used.
- a method of separating the polyimide from the support by laser light irradiation can also be employed.
- the laminate may be peeled off during the process, or the yield may be lowered during peeling.
- the floating of the interface between the support substrate and the polyimide is affected by the eliminated component and/or residual solvent generated during imidization.
- the molecular chains are tightly packed, and these (desorbed components, residual solvent, etc.) have poor outgassing properties and are prone to floating.
- floating can be prevented by introducing a bulky structure and/or a soft structure into the molecular chain or at the end.
- BPAF among others, is able to achieve both good outgassing properties and a high glass transition temperature due to its bulky structure.
- the transparency of polyimide can be evaluated by total light transmittance (TT) and haze according to JIS K7361 and JIS K7163.
- TT total light transmittance
- the total light transmittance of polyimide is preferably 75% or more, more preferably 80% or more.
- the haze of polyimide is preferably 1.5% or less, more preferably 1.2% or less, and even more preferably less than 1.0%.
- the polyimide preferably has high transmittance over the entire wavelength range. Polyimide tends to absorb light on the short wavelength side, and the polyimide (film) itself is often colored yellow.
- the yellow index (YI) which is an index representing the degree of yellowness of polyimide, is preferably 20 or less, more preferably 15 or less, and 12 or less. It is even more preferable to have YI of polyimide can be measured according to JIS K 7373. By imparting transparency in this way, polyimide (polyimide film) can be suitably used as a transparent substrate such as a substitute for glass. The influence on the resolution and color reproducibility of the camera module can be suppressed.
- a top emission method that extracts light from the TFT element side
- a bottom emission method that extracts light from the back side of the TFT element.
- the top-emission method is characterized in that the aperture ratio can be easily increased and high-definition image quality can be obtained because the light is not blocked by the TFT elements.
- the bottom emission method is characterized by easy alignment and easy manufacturing. If the TFT elements are transparent, the aperture ratio can be improved even in the bottom emission method, so there is a tendency to adopt the bottom emission method, which is easy to manufacture, for large displays.
- a material with excellent YI and heat resistance such as the polyimide according to one embodiment of the present invention, can be used for both of the above applications.
- a process of coating a polyamic acid solution or a polyamic acid composition on a support such as glass, imidizing it by heating, forming an electronic element or the like to form a substrate, and then peeling the substrate from the support is a batch process.
- type of device fabrication process In the batch type device fabrication process, it is more preferable that the adhesion between the support and the polyimide is good. Adhesion here means adhesion strength.
- excellent adhesion to the support is important. , electronic devices, etc., can be formed or mounted more accurately.
- adhesion strength peel strength
- it is preferably 0.05 N/cm or more, more preferably 0.1 N/cm or more.
- the polyimide when peeling the polyimide (polyimide layer) from the laminate of the support and polyimide, it is often peeled off from the support by laser irradiation.
- the polyimide preferably absorbs light of the laser wavelength.
- An excimer laser is often used for laser peeling, and it is preferable to absorb the light of the wavelength of the laser. Therefore, the cut-off wavelength of polyimide is preferably 312 nm or longer, more preferably 330 nm or longer. Further, when the cut-off wavelength of polyimide is 390 nm or less, sufficient transparency can be exhibited.
- the cut-off wavelength of polyimide is preferably 320 nm or more and 390 nm or less, more preferably 330 nm or more and 380 nm or less.
- the cut-off wavelength of polyimide in this specification means the wavelength at which the transmittance is 0.1% or less as measured by an ultraviolet-visible spectrophotometer.
- the polyamic acid, polyamic acid composition and polyimide according to one embodiment of the present invention may be directly subjected to a coating or molding process for producing products and members.
- the polyamic acid, polyamic acid composition, and polyimide according to one embodiment of the present invention can also be used as a laminate for further coating or other treatment on a film-shaped molding.
- the polyamic acid, the polyamic acid composition and the polyimide are dissolved or dispersed in an organic solvent as necessary, and further photocurable or thermosetting.
- a polyamic acid and a polyimide resin composition may be prepared by blending the components, the polyamic acid according to one embodiment of the present invention, the polyamic acid composition, a non-polymerizable binder resin other than the polyimide, and other components.
- various other organic or inorganic additives are added to the polyamic acid, polyamic acid composition and polyimide.
- a low-molecular-weight or high-molecular-weight compound also referred to as an additive
- Other additives that can be used include, for example, dyes, surfactants, leveling agents, silicones, fine particles, and sensitizers.
- fine particles include organic fine particles such as polystyrene and polytetrafluoroethylene, and inorganic fine particles such as colloidal silica, carbon, and layered silicate.
- Microparticles may be porous and/or hollow structures. Further, the function or form of fine particles includes pigments, fillers, fibers, and the like.
- a known method can be used for the method of compounding a polyamic acid or a polyamic acid composition with nanosilica to prepare a nanosilica-containing polyamic acid or a nanosilica-containing polyamic acid composition, and is not particularly limited.
- a method using an organosilica sol in which nanosilica is dispersed in an organic solvent will be described.
- the synthesized polyamic acid and organosilica sol may be mixed, but synthesis of polyamic acid in organosilica sol is more advanced. This is preferable because nanosilica can be dispersed in polyamic acid.
- the organosilica sol can be surface-treated to enhance interaction with polyamic acid.
- a known agent such as a silane coupling agent can be used.
- an alkoxysilane compound having an amino group, a glycidyl group, or the like as a functional group is widely known, and can be appropriately selected.
- the silane coupling agent is preferably an amino group-containing alkoxysilane from the viewpoint of interaction.
- Silane coupling agents include, for example, 3-aminopropyltrimethoxysilane, 3-aminopropyltriethoxysilane, 3-aminopropylmethyldimethoxysilane, 3-aminopropylmethyldiethoxysilane, 3-(2-aminoethyl). Aminopropyltrimethoxysilane, 3-phenylaminopropyltrimethoxysilane, 2-aminophenyltrimethoxysilane and 3-aminophenyltrimethoxysilane and the like.
- silane coupling agent 3-aminopropyltriethoxysilane is preferably used from the viewpoint of stability of the raw material.
- a mixture obtained by adding a silane coupling agent to a dispersion can be stirred at 20° C. to 80° C. for about 1 hour to 10 hours to react. .
- a catalyst or the like that promotes the reaction may be added to the mixture.
- the content of nanosilica in the nanosilica-containing polyamic acid or nanosilica-containing polyamic acid composition is preferably 1% by weight or more and 30% by weight or less with respect to 100 parts by weight of polyamic acid, and 1% by weight or more and 20% by weight or less. It is more preferable to have When the nanosilica content is 1% by weight or more, the heat resistance of the nanosilica-containing polyimide can be improved, and the internal stress and phase difference of the nanosilica-containing polyimide can be sufficiently reduced. If the nanosilica content is 30% by weight or less, the mechanical properties and transparency of the nanosilica-containing polyimide are not adversely affected.
- imidazoles can be added to the polyamic acid or polyamic acid composition according to one embodiment of the present invention as an additive for imparting functionality as described above.
- imidazoles refer to compounds containing a 1,3-diazole ring structure.
- the imidazoles added to the polyamic acid or polyamic acid composition according to one embodiment of the present invention are not particularly limited.
- imidazoles examples include 1H-imidazole, 2-methylimidazole, 2-undecylimidazole, 2-heptadecylimidazole, 1,2-dimethylimidazole, 2-ethyl-4-methylimidazole, 2-phenylimidazole, 2-phenyl-4-methylimidazole, 1-benzyl-2-methylimidazole and 1-benzyl-2-phenylimidazole and the like.
- the imidazoles are preferably 1,2-dimethylimidazole, 1-benzyl-2-methylimidazole and 1-benzyl-2-phenylimidazole, more preferably 1,2-dimethylimidazole and 1-benzyl-2-methylimidazole. .
- the content of imidazoles in the polyamic acid or polyamic acid composition is preferably 0.005 mol or more and 0.1 mol or less, and preferably 0.01 mol or more and 0.08 mol or less per 1 mol of the amide group of the polyamic acid. It is more preferably 0.015 mol or more and 0.050 mol or less.
- the storage stability of the polyamic acid or the polyamic acid composition is maintained, and the Tg and heat resistance of the polyimide are also improved. be able to.
- the improvement of the transparency of polyimide will be described.
- a polymerization solvent such as NMP is known to form a complex with the carboxylic acid of polyamic acid through hydrogen bonding. / Or decomposition may cause coloring.
- amide group of polyamic acid refers to an amide group produced by a polyaddition reaction between a diamine and an acid dianhydride (eg, tetracarboxylic dianhydride).
- the method of adding imidazoles to the polyamic acid or polyamic acid composition is not particularly limited. From the viewpoint of controlling the molecular weight of the polyamic acid or the polyamic acid composition, a method of mixing imidazoles with the polyamic acid or the polyamic acid composition is preferred. At this time, the imidazole may be added as it is to the polyamic acid or the polyamic acid composition, or the imidazole may be dissolved in a solvent in advance and this solution may be added to the polyamic acid or the polyamic acid composition. There are no particular restrictions on the method of adding the type.
- the polyamic acid or polyamic acid composition according to one embodiment of the present invention can contain a silane coupling agent in order to develop appropriate adhesion to the support.
- a silane coupling agent known ones can be used without particular limitation, but compounds containing amino groups are particularly preferred from the viewpoint of reactivity with polyamic acid.
- the content of these silane coupling agents in the polyamic acid or polyamic acid composition is preferably 0.01 to 0.50 parts by weight, preferably 0.01 to 0.50 parts by weight, per 100 parts by weight of the polyamic acid. It is more preferably 10 parts by weight, and even more preferably 0.01 to 0.05 parts by weight.
- the polyimide (polyimide film) according to one embodiment of the present invention may have various inorganic thin films such as metal oxides and transparent electrodes formed on its surface.
- the method for forming these inorganic thin films is not particularly limited, and examples thereof include CVD, sputtering, vacuum deposition, PVD such as ion plating, and the like.
- the polyimide according to one embodiment of the present invention has the advantage of low internal stress with the glass substrate, in addition to heat resistance, low thermal expansion and transparency. Therefore, the polyimide according to one embodiment of the present invention is preferably used in fields and products where these properties are effective.
- Polyimide according to one embodiment of the present invention for example, printed matter, color filters, flexible displays, optical films, liquid crystal display devices, image display devices such as organic EL and electronic paper, 3-D displays, touch panels, transparent conductive film substrates Alternatively, it is preferably used in solar cells, and more preferably as a substitute material for parts where glass is currently used.
- a batch-type device fabrication process includes, for example, coating a polyamic acid solution or a polyamic acid composition on a support, heating the resulting support to imidize the polyamic acid solution or the polyamic acid composition, and obtaining
- electronic elements and the like are formed on a polyimide film, a substrate is formed on a support, and then the substrate is peeled off from the support.
- one embodiment of the present invention includes coating a polyamic acid solution or composition on a support, heating the resulting support to imidize the polyamic acid solution or composition, and Also included is a method of manufacturing an electronic device, which includes a substrate forming step of forming an electronic element or the like on a polyimide film formed on a substrate. Moreover, the method for manufacturing such an electronic device may further include a step of peeling off the polyimide substrate on which electronic elements and the like are formed from the support after the substrate forming step.
- Y in the following general formula (1) is at least one divalent organic group selected from the group of the following formula (2): Polyamic acid, a plasticizer, and a phenolic compound A polyamic acid composition.
- X is a tetravalent organic group and each R 1 is independently a hydrogen atom or a monovalent aliphatic or aromatic group.
- the polyimide according to [8] which has a 1% weight loss temperature of 500° C. or higher.
- YI yellow index
- the polyamic acid composition (polyamic acid solution) prepared in the example or The polyamic acid solution or polyamic acid composition (polyamic acid solution) prepared in Comparative Example was applied by a spin coater. Subsequently, the alkali-free glass (glass substrate) was baked in air at 120° C. for 30 minutes and in a nitrogen atmosphere at 430° C. for 30 minutes to obtain a laminate containing the glass substrate and polyimide having a film thickness of 10 ⁇ m. . The amount of warpage of the obtained laminate was measured using a thin film stress measurement device FLX-2320-S manufactured by Tencor Corporation, and the internal stress generated between the glass substrate and the polyimide film at 25 ° C. in a nitrogen atmosphere was evaluated. . In order to avoid water absorption of the polyimide film, the internal stress of the laminate of the glass substrate and polyimide was measured immediately after firing or after drying at 120° C. for 10 minutes.
- Glass transition temperature (Tg) of polyimide (film) The coefficient of linear thermal expansion was measured using TMA7100SS manufactured by Hitachi High-Tech Science Co., Ltd. (The sample size of polyimide was 3 mm in width and 10 mm in length, the film thickness was measured, and the cross-sectional area of the film was calculated). The sample was heated from 20° C. to 450° C. at a rate of 10° C./min, the elongation of the sample was plotted against the temperature, and the inflection point was taken as the glass transition temperature of the polyimide.
- TD1 1% weight loss temperature
- Polyimide (polyimide film) was heated from 25° C. to 650° C. at 20° C./min under N 2 atmosphere using TGDTA7200 manufactured by Hitachi High-Tech Science Co., Ltd. Considering the influence of moisture, the weight of polyimide (polyimide film) was measured at 150° C., and the obtained value was used as the reference weight. The weight of polyimide (polyimide film) was also measured during the temperature rising process from 150°C to 650°C. The temperature at which the weight decreased by 1% from the reference weight was taken as the 1% weight loss temperature (TD1) of the polyimide film.
- Example 1 To the polyamic acid solution prepared in Production Example 1, 0.05 parts by weight of PEP-36 as a plasticizer and 0.05 parts by weight of GA-80 as a phenolic compound were added to the resin, and the resulting mixture was After stirring for 5 minutes, a uniform and transparent polyamic acid composition (a polyamic acid solution) was obtained.
- This polyamic acid composition (polyamic acid solution) was applied on a glass plate with a spin coater. Subsequently, the glass substrate coated with the polyamic acid composition was baked in air at 120° C. for 30 minutes and in a nitrogen atmosphere at 430° C. for 30 minutes to obtain a film-like polyimide (polyimide film) having a thickness of 10 ⁇ m.
- Table 2 shows the characteristics of the obtained polyimide film
- Table 3 shows the results of the annealing test.
- Example 2 A film-like polyimide (polyimide film) was obtained in the same manner as in Example 1 except that the types and amounts of the monomers, plasticizers and phenolic compounds used were changed to those shown in Table 1 or 2.
- Table 2 shows the characteristics of the obtained polyimide film, and Table 3 shows the results of the annealing test.
- the thermal decomposition temperature is 500 ° C. or higher
- YI is 20
- internal stress is 30 MPa or less
- the polyamic acid composition according to one embodiment of the present invention has (a) excellent transparency, (b) high heat resistance, and (c) a polyimide and a substrate (glass substrate) even during a high temperature process exceeding 400 ° C. ) and/or barrier film (SiOx), and (d) polyimide with little coloration after high-temperature processing can be provided.
- Comparative Examples 1 to 5 and 8 had a low YI and internal stress before the annealing test, and an excellent thermal decomposition temperature. and yellowing occurred (YI increased).
- the inorganic film barrier film
- the polyimide film did not peel off (float) even when treated at 400° C. for 1 hour, and the polyimide film yellowed. (YI did not increase either).
- Comparative Example 6 showed no lifting or yellowing (increase in YI) in the annealing test after lamination of SiOx, but the polyimide film itself had a high YI and could not be applied to applications requiring transparency.
- a plasticizer and a phenolic compound were used, YI was not improved by the phenolic compound in Comparative Example 7, in which polyamic acid was outside the scope of the present invention.
- the polyimide obtained from the polyamic acid composition comprising the specific polyamic acid, plasticizer and phenolic compound according to one embodiment of the present invention is colorless and transparent, has a high thermal decomposition temperature and a high glass transition temperature, and has an inorganic It was confirmed that the internal stress with the substrate is small and that it has process heat resistance at high temperatures. It should be noted that the present invention is not limited to the above embodiments, and can be implemented with various modifications.
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Abstract
Description
本発明の一実施形態は、ポリアミド酸組成物、ポリイミド、積層体、フレキシブルデバイス、および積層体の製造方法に関する。
より具体的に、本発明の一実施形態は、ポリイミドを用いた電子デバイス材料、TFT基板、フレキシブルディスプレイ基板、カラーフィルター、印刷物、光学材料、液晶表示装置、有機ELおよび電子ペーパー等の画像表示装置、3-Dディスプレイ、太陽電池、タッチパネル、透明導電膜基板、並びに現在ガラスが使用されている部分の代替材料に関する。
ポリアミド酸、可塑剤およびフェノール系化合物を含み、前記ポリアミド酸は、前記一般式(1)で表される構造を有し、前記一般式(1)中のYは前記式(2)の群から選ばれる少なくとも1種の2価の有機基である。
ポリアミド酸は、ジアミンと酸二無水物とを反応させることにより得ることができる。ポリアミド酸における原料のジアミンに由来する構造を「ポリアミド酸を構成するジアミン(成分)」と称する場合があり、ポリアミド酸における原料の酸二無水物に由来する構造を「ポリアミド酸を構成する酸二無水物(成分)」と称する場合がある。本発明の一実施形態に係るポリアミド酸において、前記一般式(1)は、(a)2,2-ビス(トリフルオロメチル)ベンジジン(TFMB)由来のジアミンに由来する構造および/または4-アミノフェニル-4-アミノベンゾエート(4-BAAB)由来のジアミンに由来する構造と、(b)酸二無水物に由来する構造と、を含むことが望ましい。換言すれば、本発明の一実施形態に係るポリアミド酸において、前記一般式(1)を構成するジアミンは、2,2-ビス(トリフルオロメチル)ベンジジン(TFMB)および/または4-アミノフェニル-4-アミノベンゾエート(4-BAAB)であることが好ましい。
次に本発明の一実施形態における可塑剤の効果について述べる。透明なポリイミド膜を得ようとする場合、原理的にはHOMOおよびLUMOのバンドギャップの大きなポリイミドを設計すればよい。そのため、電子供与性の低いTFMBおよび4-BAABなどは透明なポリイミド膜を得るために効果的である。一方で、TFMBおよび4-BAABなどを用いる場合、ジアミンの求核性が低くなるためポリアミド酸合成反応の反応速度が遅く、得られるポリアミド酸のイミド化速度も遅いことが予想される。本発明者らは、鋭意検討の過程で、(a)3,3’4,4’-ビフェニルテトラカルボン酸(BPDA)および1,4-フェニレンジアミンを原料として得られる一般的な有色ポリイミドのイミド化率と、(b)PMDAおよび/またはBPDAとTFMBとを原料として得られる透明ポリイミドのイミド化率と、を比較した。その結果、有色ポリイミドは300℃で90%以上、および350℃で100%近くイミド化していたが、TFMBを用いて得られた透明ポリイミドでは300℃で75%、350℃でも80%程度しかイミド化していなかった。すなわち、有色ポリイミドと透明ポリイミドとの間にはイミド化速度に明確な差が見られた。
そのため本発明の一実施形態に係る可塑剤の沸点は50℃以上が好ましく、100℃以上がより好ましく、150℃以上がさらに好ましく、沸点以下に分解温度を持たないことが望ましい。
次に本発明の一実施形態におけるフェノール系化合物について述べる。本発明の一実施形態に係るフェノール系化合物は酸化防止剤としての機能を持ち高分子の着色を抑制する効果もあるため、透明性が求められる用途には好適である。本発明の一実施形態におけるフェノール系化合物はポリアミド酸の重合に使用される溶剤に溶解し、イミド化時に液体で存在することが望ましい。フィルムの着色を抑制する点から、イミド化時に残存していることが望ましいため、フェノール系化合物の沸点は50℃以上が好ましく、100℃以上がより好ましく150℃以上がさらに好ましく、沸点以下に分解温度を持たないことが望ましい。
1,3.5-トリス(3,5-ジ-tert-ブチル-4-ヒドロキシベンジル)-1,3,5-トリアジンー2,4,6(1H,3H,5H)トリオン(商標名:AO-20)、4,4,4-(1-メチルプロパニル-3-イリデン)トリス(6-tert-ブチル-m-クレゾール)(商標名:AO-30)、6,6-ジ-tert-ブチル-4,4-ブチリデンジ-m-クレゾール(商標名:AO-40)、オクタデシル-3-(3,5-ジ-tert-ブチル-4-ヒドロキシフェニル)プロピオネート(商標名:AO-50)、ペンタエリトリトールテトラアキス(3-(3,5-ジ-tert-ブチル-4-ヒドロキシフェニル)プロピオネート)(商標名:AO-60)、3,9-ビス(2-(3-(3-tert-ブチル-4-ヒドロキシ-5-メチルフェニル)プロピオニロキシ)-1,1-ジメチルエチル)-2,4,8,10-テトラオキサスピロ(5,5)アンデカン(商標名:GA-80)、1,3,5-トリス(3,5-ジ-tert-ブチル-4-ヒドロキシフェニルメチル)-2,4,6-トリメチルベンゼン(商標名:AO-330)、アクリル酸1-ヒドロキシ(2,2-エチリデンビス(4,6-ビス(1,1-ジメチルプロピル)ベンゼン))-1-イル(商標名:スミライザーGS)、アクリル酸2-tert-ブチル-4-メチル-6-(2-ヒドロキシ-3-tert-ブチル-5-メチルベンジル)フェニル(商標名:スミライザーGM)、2-tert-ブチル-6-メチル-4-(3-((2,4,8,10-テトラ-tert-ブチルジベンゾ(d、f)(1,3,2)ジオキサホスフェピン-6-イル)オキシ)プロピル)フェノール(商標名:スミライザーGP)などが挙げられる。ポリアミド酸および/またはアミド系溶剤は分解物として窒化酸化物が発生する可能性がある。そのため、当該窒化酸化物(ガス)に対する耐性およびフェノール系化合物自身の着色抑制の観点から、上述した中でも、GA-80、スミライザーGS、スミライザーGPおよびスミライザーGMなどが好ましい。
本発明者らが検討した結果、分子鎖中あるいは末端にかさ高い構造および/または柔らかい構造を導入することで浮きを防止することができる。が、なかでもBPAFはかさ高い構造に由来して、良好なガス抜け性と高いガラス転移温度とを両立することができる。
〔4〕前記可塑剤の量が、ポリアミド酸を100重量部とした場合、20重量部以下であることを特徴とする〔1〕~〔3〕のいずれか1つに記載のポリアミド酸組成物。
〔5〕前記可塑剤がリンを含むことを特徴とする〔1〕~〔4〕のいずれか1つに記載のポリアミド酸組成物。
〔6〕前記可塑剤がポリエチレングリコール、ポリプロピレングリコールおよび/または脂肪族系二塩基酸エステルを含むことを特徴とする〔1〕~〔4〕のいずれか1つに記載のポリアミド酸組成物。
〔7〕ポリアミド酸を100重量部とした場合、10重量部以下のフェノール系化合物を含むことを特徴とする〔1〕~〔6〕のいずれか1つに記載のポリアミド酸組成物。
〔8〕〔1〕~〔7〕のいずれか1つに記載のポリアミド酸組成物のイミド化物であることを特徴とするポリイミド。
〔9〕1%重量減少温度が500℃以上であることを特徴とする〔8〕に記載のポリイミド。
〔10〕膜厚が10μmであるときのイエローインデックス(YI)が20以下であることを特徴とする〔8〕または〔9〕に記載のポリイミド。
〔11〕前記ポリイミド上に無機膜を積層し、400℃で1時間加熱後にポリイミドと無機膜との間に剥離がないことを特徴とする〔8〕~〔10〕のいずれか1つに記載のポリイミド。
〔12〕〔8〕~〔11〕のいずれか1つに記載のポリイミドと支持体との積層体。
〔13〕〔1〕~〔7〕のいずれか1つに記載のポリアミド酸組成物を支持体に流延し、加熱しイミド化することを特徴とするポリイミドと支持体との積層体の製造方法。
〔14〕〔8〕~〔11〕のいずれか1つに記載のポリイミドと、該ポリイミド上に形成された電子素子とを有するフレキシブルデバイス。
本明細書中に記載の材料(物質)の特性値等は以下の評価法によって得られたものである。
日本分光社製紫外可視近赤外分光光度計(V-650)を用いて、ポリイミド膜の200nm~800nmにおける光透過率を測定し、JIS K 7373記載の式から、黄色度を表す指標としてイエローインデックス(YI)を算出した。アニールテスト後のポリイミド膜をサンプルとして、アニールテスト後のイエローインデックスを上述の方法と同じ方法で測定した。
積分球式ヘイズメーターHM-150N(村上色彩技術研究所社製)により、JIS K7361記載の方法により測定した。
積分球式ヘイズメーターHM-150N(村上色彩技術研究所社製)により、JIS K7136記載の方法により測定した。
あらかじめ反り量を計測していたコーニング社製の無アルカリガラス(厚さ0.7mm、100mm×100mm)上に実施例で調製したポリアミド酸組成物(ポリアミド酸溶液)または比較例で調製したポリアミド酸溶液もしくはポリアミド酸組成物(ポリアミド酸溶液)をスピンコーターで塗布した。続いて、前記無アルカリガラス(ガラス基板)を空気中で120℃で30分、および窒素雰囲気下で430℃で30分焼成し、ガラス基板と膜厚10μmのポリイミドとを含む積層体を得た。得られた積層体の反り量をテンコール社製薄膜応力測定装置FLX-2320-Sを用いて測定し、窒素雰囲気下、25℃におけるガラス基板とポリイミド膜との間に生じた内部応力を評価した。なお、ポリイミド膜の吸水を避けるために、ガラス基板とポリイミドとの積層体は焼成直後あるいは120℃で10分乾燥させてから内部応力の測定を行った。
線熱膨張係数の測定は、日立ハイテクサイエンス(株)社製TMA7100SSを用いて(ポリイミドのサンプルサイズは幅3mm、長さ10mmとし、膜厚を測定し、フィルムの断面積を算出した)、サンプルに対する荷重98.0mNとし、10℃/分で20℃から450℃までサンプルを昇温し、温度に対するサンプルの伸びをプロットし、その変曲点をポリイミドのガラス転移温度とした。
日立ハイテクサイエンス(株)製TGDTA7200を用いて、ポリイミド(ポリイミド膜)をN2雰囲気下、20℃/分で25℃から650℃まで昇温した。水分の影響を考慮し、150℃でのポリイミド(ポリイミド膜)の重量を測定し、得られた値を基準重量とした。150℃から650℃までの昇温過程において、ポリイミド(ポリイミド膜)の重量の測定も行った。基準重量から重量が1%減少した際の温度をポリイミド膜の1%重量減少温度(TD1)とした。
コーニング社製の無アルカリガラス(厚さ0.7mm、100mm×100mm)上に実施例で調製したポリアミド酸組成物(ポリアミド酸溶液)または比較例で調製したポリアミド酸溶液もしくはポリアミド酸組成物(ポリアミド酸溶液)をスピンコーターで塗布した。続いて、前記無アルカリガラス(ガラス基板)を空気中で120℃で30分、および窒素雰囲気下で430℃で30分焼成し、ガラス基板と膜厚10μmのポリイミドとを含む積層体を得た。この積層体のガラス基板とポリイミドとの界面の浮き(剥がれ)の有無を目視にて確認した。浮きがない場合は〇、浮きが1つ以上ある場合は×とした。
コーニング社製の無アルカリガラス(厚さ0.7mm、100mm×100mm)上に実施例で調製したポリアミド酸組成物(ポリアミド酸溶液)または比較例で調製したポリアミド酸溶液もしくはポリアミド酸組成物(ポリアミド酸溶液)をスピンコーターで塗布した。続いて、前記無アルカリガラス(ガラス基板)を空気中で120℃で30分、および窒素雰囲気下で430℃で30分焼成し、ガラス基板と膜厚10μmのポリイミドとを含む積層体を得た。この積層体の上にプラズマCVD法にてSiOxを1μm積層し、当該積層体を窒素雰囲気下で400℃から470℃まで10分間~120分間焼成した。その後、SiOxとポリイミド(ポリイミド膜)との間(界面)の浮きの有無を目視で確認した。浮きがない場合は〇、浮きが1つ以上ある場合は×とした。
(溶媒)
NMP:1-メチル-2-ピロリドン
(酸二無水物)
PMDA:ピロメリット酸二無水物
BPAF:9,9-ビス(3,4-ジカルボキシフェニル)フルオレン酸二無水物
BPDA:3,3’4,4’-ビフェニルテトラカルボン酸二無水物
ODPA:4,4’-オキシジフタル酸無水物
(ジアミン)
PDA:1,4-フェニレンジアミン
TFMB:2,2-ビス(トリフルオロメチル)ベンジジン
(可塑剤)
DEPi:ジエチルホスファイト
TPPi:トリフェニルホスファイト
PEP-36:3,9-ビス(2,6-ジ-tert-ブチル-4-メチルフェノキシ)-2,4,8,10-テトラオキサ-3,9-ジフォスファスピロ[5.5]アンデカン
3010:トリイソデシルホスファイト
(フェノール系化合物)
GA-80:3,9-ビス(2-(3-(3-tert-ブチル-4-ヒドロキシ-5-メチルフェニル)プロピオニロキシ)-1,1-ジメチルエチル)-2,4,8,10-テトラオキサスピロ(5,5)アンデカン
ステンレス製撹拌棒を備えた撹拌機と窒素導入管とを備えた300mLのガラス製セパラブルフラスコに、重合用の有機溶媒としてNMP40.0gを仕込み、フラスコ内のNMPの撹拌を開始した。撹拌しているNMP中に、TFMB5.483gを入れ、NMPにTFMBを溶解させた。得られた溶液に、PMDA2.452g、BPAF0.793gおよびBPDA1.272gを加え、得られた溶液を室温で24時間撹拌し、均一で透明なポリアミド酸溶液を得た。
使用したモノマーを表1に記載したものに変更したこと以外は製造例1と同様の方法でポリイミド酸溶液を得た。
製造例1で調製したポリアミド酸溶液に、可塑剤としてPEP-36を樹脂に対して0.05重量部、およびフェノール系化合物としてGA-80を0.05重量部添加し、得られた混合物を5分間撹拌し均一で透明なポリアミド酸組成物(ポリアミド酸溶液)を得た。このポリアミド酸組成物(ポリアミド酸溶液)をスピンコーターでガラス板上にて塗布した。続いて、ポリアミド酸組成物を塗布したガラス基板を空気中120℃で30分、および窒素雰囲気下430℃で30分間焼成して、膜厚10μmの膜状のポリイミド(ポリイミド膜)を得た。得られたポリイミド膜の特性を表2、アニールテストの結果を表3に示す。
使用したモノマー、可塑剤およびフェノール系化合物の種類ならびに添加量を表1または2に記載のものに変更した以外は実施例1と同様の方法で膜状のポリイミド(ポリイミド膜)を得た。得られたポリイミド膜の特性を表2、アニールテストの結果を表3に示す。
製造例1で調製したポリアミド酸溶液をスピンコーターでガラス板上にて塗布した。続いて、前記ガラス基板を空気中120℃で30分、および窒素雰囲気下430℃で30分間焼成して、膜厚10μmのポリイミド膜を得た。得られたポリイミド膜の特性を表2、アニールテストの結果を表3に示す。
使用したモノマー、可塑剤およびフェノール系化合物の種類ならびに添加量を表1または2に記載のものに変更した以外は比較例1と同様の方法でポリイミド膜を得た。得られたポリイミド膜の特性を表2、アニールテストの結果を表3に示す。
(1)熱分解温度が500℃以上
(2)YIが20以下
(3)内部応力が30MPa以下
(4)SiOx積層後に400℃で処理しても膜剥がれが発生しない。
Claims (14)
- さらに有機溶媒を含有する請求項1のいずれかに記載のポリアミド酸組成物。
- 前記可塑剤の量が、ポリアミド酸を100重量部とした場合、20重量部以下であることを特徴とする請求項1に記載のポリアミド酸組成物。
- 前記可塑剤がリンを含むことを特徴とする請求項1に記載のポリアミド酸組成物。
- 前記可塑剤がポリエチレングリコール、ポリプロピレングリコールおよび/または脂肪族系二塩基酸エステルを含むことを特徴とする請求項1に記載のポリアミド酸組成物。
- ポリアミド酸を100重量部とした場合、10重量部以下のフェノール系化合物を含むことを特徴とする請求項1に記載のポリアミド酸組成物。
- 請求項1に記載のポリアミド酸組成物のイミド化物であることを特徴とするポリイミド。
- 1%重量減少温度が500℃以上であることを特徴とする請求項8に記載のポリイミド。
- 膜厚が10μmであるときのイエローインデックス(YI)が20以下であることを特徴とする請求項8に記載のポリイミド。
- 前記ポリイミド上に無機膜を積層し、400℃で1時間加熱後にポリイミドと無機膜との間に剥離がないことを特徴とする請求項8に記載のポリイミド。
- 請求項8~11のいずれか1項に記載のポリイミドと支持体との積層体。
- 請求項1~7のいずれか1項に記載のポリアミド酸組成物を支持体に流延し、加熱しイミド化することを特徴とするポリイミドと支持体との積層体の製造方法。
- 請求項8~11のいずれか1項に記載のポリイミドと、該ポリイミド上に形成された電子素子とを有するフレキシブルデバイス。
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JP2016206312A (ja) * | 2015-04-17 | 2016-12-08 | 旭化成株式会社 | 感光性樹脂組成物、感光性フィルム積層体、フレキシブルプリント配線板及びその製造方法 |
WO2018016526A1 (ja) * | 2016-07-21 | 2018-01-25 | 三菱瓦斯化学株式会社 | ポリイミド樹脂フィルム及びポリイミド樹脂フィルムの製造方法 |
JP2018044180A (ja) * | 2017-12-26 | 2018-03-22 | Jxtgエネルギー株式会社 | ポリイミド樹脂組成物及びポリイミドワニス |
WO2019163703A1 (ja) * | 2018-02-21 | 2019-08-29 | Jxtgエネルギー株式会社 | ポリイミド前駆体樹脂組成物 |
WO2020262295A1 (ja) * | 2019-06-24 | 2020-12-30 | 株式会社カネカ | 透明ポリイミドフィルムおよびその製造方法 |
WO2022045207A1 (ja) * | 2020-08-26 | 2022-03-03 | 株式会社カネカ | ポリアミド酸組成物、ポリイミド、ポリイミド膜、積層体、積層体の製造方法及び電子デバイス |
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