CA1329438C - Solvent system for difficulty soluble polymers - Google Patents
Solvent system for difficulty soluble polymersInfo
- Publication number
- CA1329438C CA1329438C CA000573076A CA573076A CA1329438C CA 1329438 C CA1329438 C CA 1329438C CA 000573076 A CA000573076 A CA 000573076A CA 573076 A CA573076 A CA 573076A CA 1329438 C CA1329438 C CA 1329438C
- Authority
- CA
- Canada
- Prior art keywords
- solution
- polymer
- base
- potassium
- aromatic
- 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 - Fee Related
Links
- 229920000642 polymer Polymers 0.000 title claims abstract description 58
- 239000002904 solvent Substances 0.000 title claims abstract description 35
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229920002396 Polyurea Polymers 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 150000003462 sulfoxides Chemical class 0.000 claims abstract description 8
- 229920003235 aromatic polyamide Polymers 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 239000004760 aramid Substances 0.000 claims abstract description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 62
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N dimethyl sulfoxide Natural products CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 47
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical group [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 claims description 14
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 11
- 125000003118 aryl group Chemical group 0.000 claims description 10
- 229920002480 polybenzimidazole Polymers 0.000 claims description 10
- 229910052700 potassium Inorganic materials 0.000 claims description 9
- 239000011591 potassium Substances 0.000 claims description 9
- 229910052708 sodium Inorganic materials 0.000 claims description 9
- 239000011734 sodium Substances 0.000 claims description 9
- -1 sodium alkoxides Chemical class 0.000 claims description 8
- 125000004432 carbon atom Chemical group C* 0.000 claims description 7
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 6
- 239000004693 Polybenzimidazole Substances 0.000 claims description 6
- 150000004678 hydrides Chemical class 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 150000004679 hydroxides Chemical class 0.000 claims description 3
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- 125000003375 sulfoxide group Chemical group 0.000 claims 1
- 150000001556 benzimidazoles Chemical class 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 54
- 239000000835 fiber Substances 0.000 description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 9
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- ISXOBTBCNRIIQO-UHFFFAOYSA-N tetrahydrothiophene 1-oxide Chemical compound O=S1CCCC1 ISXOBTBCNRIIQO-UHFFFAOYSA-N 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 4
- 150000004703 alkoxides Chemical class 0.000 description 4
- 150000001408 amides Chemical class 0.000 description 4
- 230000008961 swelling Effects 0.000 description 4
- MHSKRLJMQQNJNC-UHFFFAOYSA-N terephthalamide Chemical compound NC(=O)C1=CC=C(C(N)=O)C=C1 MHSKRLJMQQNJNC-UHFFFAOYSA-N 0.000 description 4
- SDTMFDGELKWGFT-UHFFFAOYSA-N 2-methylpropan-2-olate Chemical compound CC(C)(C)[O-] SDTMFDGELKWGFT-UHFFFAOYSA-N 0.000 description 3
- MCSXGCZMEPXKIW-UHFFFAOYSA-N 3-hydroxy-4-[(4-methyl-2-nitrophenyl)diazenyl]-N-(3-nitrophenyl)naphthalene-2-carboxamide Chemical compound Cc1ccc(N=Nc2c(O)c(cc3ccccc23)C(=O)Nc2cccc(c2)[N+]([O-])=O)c(c1)[N+]([O-])=O MCSXGCZMEPXKIW-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 150000001298 alcohols Chemical class 0.000 description 3
- 150000001450 anions Chemical class 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910000104 sodium hydride Inorganic materials 0.000 description 3
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-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
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 2
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 229940113088 dimethylacetamide Drugs 0.000 description 2
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- QZUPTXGVPYNUIT-UHFFFAOYSA-N isophthalamide Chemical compound NC(=O)C1=CC=CC(C(N)=O)=C1 QZUPTXGVPYNUIT-UHFFFAOYSA-N 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000012312 sodium hydride Substances 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- AVQQQNCBBIEMEU-UHFFFAOYSA-N 1,1,3,3-tetramethylurea Chemical compound CN(C)C(=O)N(C)C AVQQQNCBBIEMEU-UHFFFAOYSA-N 0.000 description 1
- RLFFWWKJSJOYMQ-UHFFFAOYSA-N 1,3-diazepan-2-one Chemical compound O=C1NCCCCN1 RLFFWWKJSJOYMQ-UHFFFAOYSA-N 0.000 description 1
- BCNBMSZKALBQEF-UHFFFAOYSA-N 1,3-dimethylpyrrolidin-2-one Chemical compound CC1CCN(C)C1=O BCNBMSZKALBQEF-UHFFFAOYSA-N 0.000 description 1
- AVFZOVWCLRSYKC-UHFFFAOYSA-N 1-methylpyrrolidine Chemical compound CN1CCCC1 AVFZOVWCLRSYKC-UHFFFAOYSA-N 0.000 description 1
- ANDAQSIUDBVMNP-UHFFFAOYSA-N 12-(azepan-1-yl)-12-oxododecanamide Chemical compound NC(=O)CCCCCCCCCCC(=O)N1CCCCCC1 ANDAQSIUDBVMNP-UHFFFAOYSA-N 0.000 description 1
- QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 description 1
- HEMGYNNCNNODNX-UHFFFAOYSA-N 3,4-diaminobenzoic acid Chemical compound NC1=CC=C(C(O)=O)C=C1N HEMGYNNCNNODNX-UHFFFAOYSA-N 0.000 description 1
- LSQARZALBDFYQZ-UHFFFAOYSA-N 4,4'-difluorobenzophenone Chemical compound C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 LSQARZALBDFYQZ-UHFFFAOYSA-N 0.000 description 1
- 101150034533 ATIC gene Proteins 0.000 description 1
- 239000004953 Aliphatic polyamide Substances 0.000 description 1
- 241000338118 Dulus Species 0.000 description 1
- AHVYPIQETPWLSZ-UHFFFAOYSA-N N-methyl-pyrrolidine Natural products CN1CC=CC1 AHVYPIQETPWLSZ-UHFFFAOYSA-N 0.000 description 1
- YWPRJNPMDRAXQK-UHFFFAOYSA-N N=C=O.N=C=O.C=1C=CC=CC=1C(N)(N)C1=CC=CC=C1 Chemical compound N=C=O.N=C=O.C=1C=CC=CC=1C(N)(N)C1=CC=CC=C1 YWPRJNPMDRAXQK-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229920003231 aliphatic polyamide Polymers 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- HYGWNUKOUCZBND-UHFFFAOYSA-N azanide Chemical compound [NH2-] HYGWNUKOUCZBND-UHFFFAOYSA-N 0.000 description 1
- 235000019445 benzyl alcohol Nutrition 0.000 description 1
- 150000003938 benzyl alcohols Chemical class 0.000 description 1
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical compound CCCC(O)O CDQSJQSWAWPGKG-UHFFFAOYSA-N 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000006184 cosolvent Substances 0.000 description 1
- 229930003836 cresol Natural products 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 125000005677 ethinylene group Chemical class [*:2]C#C[*:1] 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- LZWQNOHZMQIFBX-UHFFFAOYSA-N lithium;2-methylpropan-2-olate Chemical compound [Li+].CC(C)(C)[O-] LZWQNOHZMQIFBX-UHFFFAOYSA-N 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 1
- AJFDBNQQDYLMJN-UHFFFAOYSA-N n,n-diethylacetamide Chemical compound CCN(CC)C(C)=O AJFDBNQQDYLMJN-UHFFFAOYSA-N 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- WVDDGKGOMKODPV-ZQBYOMGUSA-N phenyl(114C)methanol Chemical compound O[14CH2]C1=CC=CC=C1 WVDDGKGOMKODPV-ZQBYOMGUSA-N 0.000 description 1
- NAYYNDKKHOIIOD-UHFFFAOYSA-N phthalamide Chemical compound NC(=O)C1=CC=CC=C1C(N)=O NAYYNDKKHOIIOD-UHFFFAOYSA-N 0.000 description 1
- BXRNXXXXHLBUKK-UHFFFAOYSA-N piperazine-2,5-dione Chemical compound O=C1CNC(=O)CN1 BXRNXXXXHLBUKK-UHFFFAOYSA-N 0.000 description 1
- 150000003138 primary alcohols Chemical class 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 150000003333 secondary alcohols Chemical class 0.000 description 1
- 238000005063 solubilization Methods 0.000 description 1
- 230000007928 solubilization Effects 0.000 description 1
- 239000012453 solvate Substances 0.000 description 1
- 239000012086 standard solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/09—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids
- C08J3/091—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids characterised by the chemical constitution of the organic liquid
- C08J3/097—Sulfur containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/09—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids
- C08J3/091—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids characterised by the chemical constitution of the organic liquid
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/02—Polyureas
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/10—Polyamides derived from aromatically bound amino and carboxyl groups of amino-carboxylic acids or of polyamines and polycarboxylic acids
Landscapes
- Chemical & Material Sciences (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Artificial Filaments (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Polyamides (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/078,193 US4785038A (en) | 1987-07-27 | 1987-07-27 | Solvent system for difficultly soluble polymers |
| US078,193 | 1987-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1329438C true CA1329438C (en) | 1994-05-10 |
Family
ID=22142521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000573076A Expired - Fee Related CA1329438C (en) | 1987-07-27 | 1988-07-26 | Solvent system for difficulty soluble polymers |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4785038A (en, 2012) |
| EP (1) | EP0302377B1 (en, 2012) |
| JP (1) | JP2605117B2 (en, 2012) |
| KR (1) | KR970011708B1 (en, 2012) |
| CN (1) | CN1020909C (en, 2012) |
| CA (1) | CA1329438C (en, 2012) |
| DE (1) | DE3867169D1 (en, 2012) |
| IN (1) | IN170015B (en, 2012) |
| RU (1) | RU2015215C1 (en, 2012) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5084497A (en) * | 1987-09-22 | 1992-01-28 | E. I. Du Pont De Nemours And Company | Preparation of articles of manufacture from isotropic and anisotropic polyamide anion solutions |
| US5399425A (en) * | 1988-07-07 | 1995-03-21 | E. I. Du Pont De Nemours And Company | Metallized polymers |
| US4921900A (en) * | 1988-12-14 | 1990-05-01 | E. I. Du Pont De Nemours And Company | Stable solutions of poly(paraphenylene terephthalamide) acid crumb |
| US5242991A (en) * | 1989-11-28 | 1993-09-07 | E. I. Du Pont De Nemours And Company | Quaternary ammonium polyarylamide |
| US5459231A (en) * | 1990-03-30 | 1995-10-17 | E. I. Du Pont De Nemours And Company | Drawable high tensile strength aramids |
| DE4138872B4 (de) * | 1990-03-30 | 2005-12-29 | E.I. Du Pont De Nemours And Co., Wilmington | Verstreckbare Aramide hoher Zugfestigkeit |
| US5093436A (en) * | 1990-06-28 | 1992-03-03 | E. I. Du Pont De Nemours And Company | Halogenated aromatic polyamide anion |
| US5202389A (en) * | 1990-06-28 | 1993-04-13 | E. I. Du Pont De Nemours And Company | Preparation of polybenzoxazoles from halogenated polyamide anions |
| JPH08213881A (ja) * | 1995-02-02 | 1996-08-20 | Fujitsu Ltd | 周波数制御回路 |
| MY145156A (en) * | 2003-12-09 | 2011-12-30 | Teijin Aramid Bv | Para-aramid fibrid film |
| US20080070820A1 (en) * | 2006-09-19 | 2008-03-20 | Wescor, Inc. | Stain removing cleaning solutions |
| US20110189484A1 (en) * | 2010-02-04 | 2011-08-04 | Hopkins Jr John B | Porous polybenzimidazole resin and method of making same |
| CN106308977A (zh) * | 2016-08-31 | 2017-01-11 | 厦门大学附属厦门眼科中心 | 带囊袋的人工虹膜 |
| RU2738836C1 (ru) * | 2020-01-31 | 2020-12-17 | Федеральное государственное бюджетное учреждение науки Ордена Трудового Красного Знамени Институт нефтехимического синтеза им. А.В. Топчиева Российской академии наук (ИНХС РАН) | Растворитель и способ переработки поликетона и/или полиамида с его использованием (варианты) |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA651650A (en) * | 1962-11-06 | F. Beste Lawrence | Polymer solution | |
| US3322824A (en) * | 1964-07-02 | 1967-05-30 | Celanese Corp | Compositions containing a polytereph-thalamide and a hydrocarbon-substituted sulfonicacid, and process utilizing the same in making shaped articles |
| US3843321A (en) * | 1972-08-30 | 1974-10-22 | Johnson & Johnson | Methods of recovering waste fibers |
| US4179423A (en) * | 1976-06-09 | 1979-12-18 | Schenectady Chemicals, Inc. | Water-soluble polyester imide resins |
| JPS55116727A (en) * | 1979-03-05 | 1980-09-08 | Motoo Takayanagi | Novel n-substituted wholly aromatic polyamide and its preparation |
| US4321182A (en) * | 1981-05-04 | 1982-03-23 | Celanese Corporation | Stable non-corrosive solution of polybenzimidazole suitable for use in the formation of shaped articles |
| JPS57195136A (en) * | 1981-05-26 | 1982-11-30 | Motoo Takayanagi | Ionomer resin composition reinforced with aromatic polyamide fiber |
| JPS587426A (ja) * | 1981-07-07 | 1983-01-17 | Motoo Takayanagi | 補強された高分子組成物の製造方法 |
| JPS59223752A (ja) * | 1983-06-03 | 1984-12-15 | Motoo Takayanagi | 補強された重合体組成物の製法 |
| US4525507A (en) * | 1983-12-30 | 1985-06-25 | Mouhanad Chaker | High flash point/low surface energy solvent systems for polyimide conformal coatings |
| DD244753A1 (de) * | 1985-12-23 | 1987-04-15 | Adw Ddr | Verfahren zur herstellung von acrylatcopolymeren mit endstaendigen doppelbindungen |
-
1987
- 1987-07-27 US US07/078,193 patent/US4785038A/en not_active Expired - Lifetime
-
1988
- 1988-07-25 JP JP63183760A patent/JP2605117B2/ja not_active Expired - Lifetime
- 1988-07-26 RU SU884356217A patent/RU2015215C1/ru not_active IP Right Cessation
- 1988-07-26 IN IN620/CAL/88A patent/IN170015B/en unknown
- 1988-07-26 KR KR1019880009381A patent/KR970011708B1/ko not_active Expired - Lifetime
- 1988-07-26 CA CA000573076A patent/CA1329438C/en not_active Expired - Fee Related
- 1988-07-27 DE DE8888112117T patent/DE3867169D1/de not_active Expired - Lifetime
- 1988-07-27 CN CN88104736A patent/CN1020909C/zh not_active Expired - Lifetime
- 1988-07-27 EP EP88112117A patent/EP0302377B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2605117B2 (ja) | 1997-04-30 |
| US4785038A (en) | 1988-11-15 |
| KR890002240A (ko) | 1989-04-10 |
| EP0302377A1 (en) | 1989-02-08 |
| IN170015B (en, 2012) | 1992-01-25 |
| CN1030920A (zh) | 1989-02-08 |
| EP0302377B1 (en) | 1991-12-27 |
| CN1020909C (zh) | 1993-05-26 |
| JPS6440559A (en) | 1989-02-10 |
| DE3867169D1 (de) | 1992-02-06 |
| KR970011708B1 (ko) | 1997-07-14 |
| RU2015215C1 (ru) | 1994-06-30 |
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