JPH0455613B2 - - Google Patents
Info
- Publication number
- JPH0455613B2 JPH0455613B2 JP13838886A JP13838886A JPH0455613B2 JP H0455613 B2 JPH0455613 B2 JP H0455613B2 JP 13838886 A JP13838886 A JP 13838886A JP 13838886 A JP13838886 A JP 13838886A JP H0455613 B2 JPH0455613 B2 JP H0455613B2
- Authority
- JP
- Japan
- Prior art keywords
- anhydride
- solution
- polyamic acid
- coagulation bath
- solvent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- WFDIJRYMOXRFFG-UHFFFAOYSA-N acetic acid anhydride Natural products CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 claims description 72
- 238000005345 coagulation Methods 0.000 claims description 35
- 230000015271 coagulation Effects 0.000 claims description 35
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 33
- 229920005575 poly(amic acid) Polymers 0.000 claims description 27
- 239000002904 solvent Substances 0.000 claims description 26
- 239000000835 fiber Substances 0.000 claims description 20
- 239000004642 Polyimide Substances 0.000 claims description 18
- 238000000465 moulding Methods 0.000 claims description 18
- 229920001721 polyimide Polymers 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 150000001408 amides Chemical class 0.000 claims description 8
- 150000008065 acid anhydrides Chemical class 0.000 claims description 6
- 150000003512 tertiary amines Chemical class 0.000 claims description 6
- 150000004984 aromatic diamines Chemical class 0.000 claims description 4
- -1 aromatic tetracarboxylic anhydride Chemical class 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 230000000379 polymerizing effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 39
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 20
- 239000000243 solution Substances 0.000 description 20
- 238000006116 polymerization reaction Methods 0.000 description 16
- 229920000642 polymer Polymers 0.000 description 15
- 238000006798 ring closing metathesis reaction Methods 0.000 description 15
- 150000008064 anhydrides Chemical class 0.000 description 13
- 239000011550 stock solution Substances 0.000 description 13
- 238000009987 spinning Methods 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 10
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000002166 wet spinning Methods 0.000 description 10
- 150000004985 diamines Chemical class 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 description 8
- 230000007062 hydrolysis Effects 0.000 description 8
- 238000006460 hydrolysis reaction Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 7
- ANSXAPJVJOKRDJ-UHFFFAOYSA-N furo[3,4-f][2]benzofuran-1,3,5,7-tetrone Chemical compound C1=C2C(=O)OC(=O)C2=CC2=C1C(=O)OC2=O ANSXAPJVJOKRDJ-UHFFFAOYSA-N 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000005191 phase separation Methods 0.000 description 4
- 150000000000 tetracarboxylic acids Chemical class 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical group C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- 239000007809 chemical reaction catalyst Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 3
- 150000004986 phenylenediamines Chemical class 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 238000007363 ring formation reaction Methods 0.000 description 3
- AVQQQNCBBIEMEU-UHFFFAOYSA-N 1,1,3,3-tetramethylurea Chemical compound CN(C)C(=O)N(C)C AVQQQNCBBIEMEU-UHFFFAOYSA-N 0.000 description 2
- KDISMIMTGUMORD-UHFFFAOYSA-N 1-acetylpiperidine Chemical compound CC(=O)N1CCCCC1 KDISMIMTGUMORD-UHFFFAOYSA-N 0.000 description 2
- VLDPXPPHXDGHEW-UHFFFAOYSA-N 1-chloro-2-dichlorophosphoryloxybenzene Chemical compound ClC1=CC=CC=C1OP(Cl)(Cl)=O VLDPXPPHXDGHEW-UHFFFAOYSA-N 0.000 description 2
- LNWWQYYLZVZXKS-UHFFFAOYSA-N 1-pyrrolidin-1-ylethanone Chemical compound CC(=O)N1CCCC1 LNWWQYYLZVZXKS-UHFFFAOYSA-N 0.000 description 2
- BSKHPKMHTQYZBB-UHFFFAOYSA-N 2-methylpyridine Chemical compound CC1=CC=CC=N1 BSKHPKMHTQYZBB-UHFFFAOYSA-N 0.000 description 2
- AIVVXPSKEVWKMY-UHFFFAOYSA-N 4-(3,4-dicarboxyphenoxy)phthalic acid Chemical compound C1=C(C(O)=O)C(C(=O)O)=CC=C1OC1=CC=C(C(O)=O)C(C(O)=O)=C1 AIVVXPSKEVWKMY-UHFFFAOYSA-N 0.000 description 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
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-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
- ZWXPDGCFMMFNRW-UHFFFAOYSA-N N-methylcaprolactam Chemical compound CN1CCCCCC1=O ZWXPDGCFMMFNRW-UHFFFAOYSA-N 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 125000003545 alkoxy group Chemical group 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 125000005843 halogen group Chemical group 0.000 description 2
- 239000012210 heat-resistant fiber Substances 0.000 description 2
- AWJUIBRHMBBTKR-UHFFFAOYSA-N isoquinoline Chemical compound C1=NC=CC2=CC=CC=C21 AWJUIBRHMBBTKR-UHFFFAOYSA-N 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- GXMIHVHJTLPVKL-UHFFFAOYSA-N n,n,2-trimethylpropanamide Chemical compound CC(C)C(=O)N(C)C GXMIHVHJTLPVKL-UHFFFAOYSA-N 0.000 description 2
- AJFDBNQQDYLMJN-UHFFFAOYSA-N n,n-diethylacetamide Chemical compound CCN(CC)C(C)=O AJFDBNQQDYLMJN-UHFFFAOYSA-N 0.000 description 2
- VIJUZNJJLALGNJ-UHFFFAOYSA-N n,n-dimethylbutanamide Chemical compound CCCC(=O)N(C)C VIJUZNJJLALGNJ-UHFFFAOYSA-N 0.000 description 2
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- CYSGHNMQYZDMIA-UHFFFAOYSA-N 1,3-Dimethyl-2-imidazolidinon Chemical compound CN1CCN(C)C1=O CYSGHNMQYZDMIA-UHFFFAOYSA-N 0.000 description 1
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 description 1
- YLHUPYSUKYAIBW-UHFFFAOYSA-N 1-acetylpyrrolidin-2-one Chemical compound CC(=O)N1CCCC1=O YLHUPYSUKYAIBW-UHFFFAOYSA-N 0.000 description 1
- NOGFHTGYPKWWRX-UHFFFAOYSA-N 2,2,6,6-tetramethyloxan-4-one Chemical compound CC1(C)CC(=O)CC(C)(C)O1 NOGFHTGYPKWWRX-UHFFFAOYSA-N 0.000 description 1
- MGLZGLAFFOMWPB-UHFFFAOYSA-N 2-chloro-1,4-phenylenediamine Chemical compound NC1=CC=C(N)C(Cl)=C1 MGLZGLAFFOMWPB-UHFFFAOYSA-N 0.000 description 1
- DZLUPKIRNOCKJB-UHFFFAOYSA-N 2-methoxy-n,n-dimethylacetamide Chemical compound COCC(=O)N(C)C DZLUPKIRNOCKJB-UHFFFAOYSA-N 0.000 description 1
- HUWXDEQWWKGHRV-UHFFFAOYSA-N 3,3'-Dichlorobenzidine Chemical compound C1=C(Cl)C(N)=CC=C1C1=CC=C(N)C(Cl)=C1 HUWXDEQWWKGHRV-UHFFFAOYSA-N 0.000 description 1
- ZBMISJGHVWNWTE-UHFFFAOYSA-N 3-(4-aminophenoxy)aniline Chemical compound C1=CC(N)=CC=C1OC1=CC=CC(N)=C1 ZBMISJGHVWNWTE-UHFFFAOYSA-N 0.000 description 1
- YBRVSVVVWCFQMG-UHFFFAOYSA-N 4,4'-diaminodiphenylmethane Chemical compound C1=CC(N)=CC=C1CC1=CC=C(N)C=C1 YBRVSVVVWCFQMG-UHFFFAOYSA-N 0.000 description 1
- MQJKPEGWNLWLTK-UHFFFAOYSA-N Dapsone Chemical compound C1=CC(N)=CC=C1S(=O)(=O)C1=CC=C(N)C=C1 MQJKPEGWNLWLTK-UHFFFAOYSA-N 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- JLTDJTHDQAWBAV-UHFFFAOYSA-N N,N-dimethylaniline Chemical compound CN(C)C1=CC=CC=C1 JLTDJTHDQAWBAV-UHFFFAOYSA-N 0.000 description 1
- 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 1
- 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 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000010420 art technique Methods 0.000 description 1
- HFACYLZERDEVSX-UHFFFAOYSA-N benzidine Chemical compound C1=CC(N)=CC=C1C1=CC=C(N)C=C1 HFACYLZERDEVSX-UHFFFAOYSA-N 0.000 description 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- GGSUCNLOZRCGPQ-UHFFFAOYSA-N diethylaniline Chemical compound CCN(CC)C1=CC=CC=C1 GGSUCNLOZRCGPQ-UHFFFAOYSA-N 0.000 description 1
- GUVUOGQBMYCBQP-UHFFFAOYSA-N dmpu Chemical compound CN1CCCN(C)C1=O GUVUOGQBMYCBQP-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- MCQOWYALZVKMAR-UHFFFAOYSA-N furo[3,4-b]pyridine-5,7-dione Chemical compound C1=CC=C2C(=O)OC(=O)C2=N1 MCQOWYALZVKMAR-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- AOXCXILUIVQCHH-UHFFFAOYSA-N n,n,n',n'-tetramethylpropanediamide Chemical compound CN(C)C(=O)CC(=O)N(C)C AOXCXILUIVQCHH-UHFFFAOYSA-N 0.000 description 1
- MBHINSULENHCMF-UHFFFAOYSA-N n,n-dimethylpropanamide Chemical compound CCC(=O)N(C)C MBHINSULENHCMF-UHFFFAOYSA-N 0.000 description 1
- JGGQWILNAAODRS-UHFFFAOYSA-N n-methyl-4-[4-(methylamino)phenyl]aniline Chemical compound C1=CC(NC)=CC=C1C1=CC=C(NC)C=C1 JGGQWILNAAODRS-UHFFFAOYSA-N 0.000 description 1
- GOGZBMRXLADNEV-UHFFFAOYSA-N naphthalene-2,6-diamine Chemical compound C1=C(N)C=CC2=CC(N)=CC=C21 GOGZBMRXLADNEV-UHFFFAOYSA-N 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- WYVAMUWZEOHJOQ-UHFFFAOYSA-N propionic anhydride Chemical compound CCC(=O)OC(=O)CC WYVAMUWZEOHJOQ-UHFFFAOYSA-N 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- QAZOKVGARKDTKF-UHFFFAOYSA-N pyridine-2-carbonyl pyridine-2-carboxylate Chemical compound C=1C=CC=NC=1C(=O)OC(=O)C1=CC=CC=N1 QAZOKVGARKDTKF-UHFFFAOYSA-N 0.000 description 1
- VPODXHOUBDCEHN-UHFFFAOYSA-N pyridine-3-carbonyl pyridine-3-carboxylate Chemical compound C=1C=CN=CC=1C(=O)OC(=O)C1=CC=CN=C1 VPODXHOUBDCEHN-UHFFFAOYSA-N 0.000 description 1
- ORBIGZZHMAJXAZ-UHFFFAOYSA-N pyridine-4-carbonyl pyridine-4-carboxylate Chemical compound C=1C=NC=CC=1C(=O)OC(=O)C1=CC=NC=C1 ORBIGZZHMAJXAZ-UHFFFAOYSA-N 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 125000006158 tetracarboxylic acid group Chemical group 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 125000005270 trialkylamine group Chemical group 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Artificial Filaments (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Moulding By Coating Moulds (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13838886A JPS62294519A (ja) | 1986-06-16 | 1986-06-16 | ポリイミド成形体の製造法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13838886A JPS62294519A (ja) | 1986-06-16 | 1986-06-16 | ポリイミド成形体の製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62294519A JPS62294519A (ja) | 1987-12-22 |
| JPH0455613B2 true JPH0455613B2 (fr) | 1992-09-03 |
Family
ID=15220776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13838886A Granted JPS62294519A (ja) | 1986-06-16 | 1986-06-16 | ポリイミド成形体の製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62294519A (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2728495B2 (ja) * | 1989-04-17 | 1998-03-18 | 帝人株式会社 | コポリイミド繊維の製造法 |
| CA2406723C (fr) | 2000-04-20 | 2008-12-30 | Teijin Limited | Film polyimide et procede de production |
| JP2002138152A (ja) * | 2000-08-24 | 2002-05-14 | Du Pont Toray Co Ltd | ポリイミドフィルム、その製造方法およびこれを基材とした金属配線板 |
| CN105419327A (zh) * | 2015-12-29 | 2016-03-23 | 上海大学 | 聚酰亚胺纤维自增强材料的制备方法 |
-
1986
- 1986-06-16 JP JP13838886A patent/JPS62294519A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62294519A (ja) | 1987-12-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4470944A (en) | Process for producing an aromatic polyimide film | |
| JPS6042817B2 (ja) | ポリイミド成形物の製造方法 | |
| US4869861A (en) | Process for producing a shaped and drawn aromatic imide polymer article | |
| JP2973516B2 (ja) | 芳香族ポリイミドフィルムの製造法 | |
| JP2903704B2 (ja) | 芳香族ポリイミドフィルムの製造法 | |
| JPH0455613B2 (fr) | ||
| JP2511987B2 (ja) | 芳香族ポリイミド重合体成型品の製造法 | |
| JPH09227697A (ja) | ゲルを経由した耐熱性ポリイミドフィルムの製造方法 | |
| JPS636028A (ja) | ポリイミド成形体の製造方法 | |
| JPH0447048B2 (fr) | ||
| JPH0140125B2 (fr) | ||
| JP3528236B2 (ja) | 粗面化ポリイミドフィルム及びその製造方法 | |
| JPH01115932A (ja) | 新規成形用ドープ | |
| JPH01113434A (ja) | ポリイミド前駆体成形物の製造方法 | |
| JPH01260015A (ja) | 高弾性率繊維の製造法 | |
| JPH04320422A (ja) | ポリアミック酸共重合体及びそれからなるポリイミドフィルム並びにそれらの製造方法 | |
| JPH03146524A (ja) | ポリイミドフィルムの製造方法 | |
| JP2728495B2 (ja) | コポリイミド繊維の製造法 | |
| JP2883622B2 (ja) | ポリイミド組成物 | |
| JP2695233B2 (ja) | コポリイミド繊維の製造法 | |
| JPH0228258A (ja) | 新規成形用ドープ及びポリイミド前駆体繊維の製造方法 | |
| JPH0742611B2 (ja) | ポリイミド繊維 | |
| JPS63315211A (ja) | ポリイミドフィルムの製造方法 | |
| JPH10330615A (ja) | 芳香族ポリアミド酸溶液 | |
| JPH036174B2 (fr) |