CN1036964A - 聚酰亚胺气体分离膜 - Google Patents
聚酰亚胺气体分离膜 Download PDFInfo
- Publication number
- CN1036964A CN1036964A CN88102904A CN88102904A CN1036964A CN 1036964 A CN1036964 A CN 1036964A CN 88102904 A CN88102904 A CN 88102904A CN 88102904 A CN88102904 A CN 88102904A CN 1036964 A CN1036964 A CN 1036964A
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- CN
- China
- Prior art keywords
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- 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.)
- Pending
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- 229920001721 polyimide Polymers 0.000 title claims abstract description 40
- 239000004642 Polyimide Substances 0.000 title claims abstract description 31
- 125000003118 aryl group Chemical group 0.000 claims abstract description 19
- 239000012528 membrane Substances 0.000 claims abstract description 19
- 238000000926 separation method Methods 0.000 claims abstract description 14
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 claims description 51
- 239000000126 substance Substances 0.000 claims description 40
- 238000000034 method Methods 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 16
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 8
- 229910052801 chlorine Inorganic materials 0.000 claims description 8
- 239000000460 chlorine Substances 0.000 claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 claims description 5
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 3
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052794 bromium Inorganic materials 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 claims description 3
- 150000002367 halogens Chemical class 0.000 claims description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 3
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 claims description 2
- 150000001721 carbon Chemical group 0.000 claims 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims 1
- 229910052740 iodine Inorganic materials 0.000 claims 1
- 239000011630 iodine Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 20
- 238000002360 preparation method Methods 0.000 abstract description 7
- 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 abstract description 6
- YBRVSVVVWCFQMG-UHFFFAOYSA-N 4,4'-diaminodiphenylmethane Chemical compound C1=CC(N)=CC=C1CC1=CC=C(N)C=C1 YBRVSVVVWCFQMG-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 63
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 38
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 36
- 238000001035 drying Methods 0.000 description 34
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 33
- 206010013786 Dry skin Diseases 0.000 description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 30
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 28
- 229910052753 mercury Inorganic materials 0.000 description 28
- 238000001291 vacuum drying Methods 0.000 description 27
- 238000003756 stirring Methods 0.000 description 24
- 239000005357 flat glass Substances 0.000 description 22
- 238000006243 chemical reaction Methods 0.000 description 20
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 18
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 18
- 239000007787 solid Substances 0.000 description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 16
- -1 fluoro-1-(trifluoromethyl) ethylidene Chemical group 0.000 description 14
- 239000000047 product Substances 0.000 description 11
- 239000012298 atmosphere Substances 0.000 description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 229920000642 polymer Polymers 0.000 description 9
- 239000002244 precipitate Substances 0.000 description 9
- 229910052757 nitrogen Inorganic materials 0.000 description 8
- 230000009466 transformation Effects 0.000 description 8
- 238000004458 analytical method Methods 0.000 description 7
- 238000009835 boiling Methods 0.000 description 7
- 239000012299 nitrogen atmosphere Substances 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 6
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 5
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 5
- 239000004809 Teflon Substances 0.000 description 5
- 229920006362 Teflon® Polymers 0.000 description 5
- 238000007766 curtain coating Methods 0.000 description 5
- RLSSMJSEOOYNOY-UHFFFAOYSA-N m-cresol Chemical compound CC1=CC=CC(O)=C1 RLSSMJSEOOYNOY-UHFFFAOYSA-N 0.000 description 5
- 229940100630 metacresol Drugs 0.000 description 5
- 230000035699 permeability Effects 0.000 description 5
- 125000003277 amino group Chemical group 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 230000008595 infiltration Effects 0.000 description 4
- 238000001764 infiltration Methods 0.000 description 4
- 239000000314 lubricant Substances 0.000 description 4
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 4
- JJVKJJNCIILLRP-UHFFFAOYSA-N 2-ethyl-6-methylaniline Chemical compound CCC1=CC=CC(C)=C1N JJVKJJNCIILLRP-UHFFFAOYSA-N 0.000 description 3
- UITKHKNFVCYWNG-UHFFFAOYSA-N 4-(3,4-dicarboxybenzoyl)phthalic acid Chemical compound C1=C(C(O)=O)C(C(=O)O)=CC=C1C(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 UITKHKNFVCYWNG-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 150000004985 diamines Chemical class 0.000 description 3
- 238000000113 differential scanning calorimetry Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- VDJBIPLKIGSVRG-UHFFFAOYSA-N 3-chloro-2,6-diethylaniline Chemical compound CCC1=CC=C(Cl)C(CC)=C1N VDJBIPLKIGSVRG-UHFFFAOYSA-N 0.000 description 2
- VQVIHDPBMFABCQ-UHFFFAOYSA-N 5-(1,3-dioxo-2-benzofuran-5-carbonyl)-2-benzofuran-1,3-dione Chemical compound C1=C2C(=O)OC(=O)C2=CC(C(C=2C=C3C(=O)OC(=O)C3=CC=2)=O)=C1 VQVIHDPBMFABCQ-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 150000008064 anhydrides Chemical class 0.000 description 2
- 239000012295 chemical reaction liquid Substances 0.000 description 2
- 125000004427 diamine group Chemical group 0.000 description 2
- 125000006159 dianhydride group Chemical group 0.000 description 2
- 150000002466 imines Chemical group 0.000 description 2
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- GEYOCULIXLDCMW-UHFFFAOYSA-N 1,2-phenylenediamine Chemical compound NC1=CC=CC=C1N GEYOCULIXLDCMW-UHFFFAOYSA-N 0.000 description 1
- WKBALTUBRZPIPZ-UHFFFAOYSA-N 2,6-di(propan-2-yl)aniline Chemical compound CC(C)C1=CC=CC(C(C)C)=C1N WKBALTUBRZPIPZ-UHFFFAOYSA-N 0.000 description 1
- DDTKYVBFPULMGN-UHFFFAOYSA-N 2-methyl-6-propan-2-ylaniline Chemical compound CC(C)C1=CC=CC(C)=C1N DDTKYVBFPULMGN-UHFFFAOYSA-N 0.000 description 1
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- KQSABULTKYLFEV-UHFFFAOYSA-N naphthalene-1,5-diamine Chemical compound C1=CC=C2C(N)=CC=CC2=C1N KQSABULTKYLFEV-UHFFFAOYSA-N 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 230000003797 telogen phase Effects 0.000 description 1
- 238000002411 thermogravimetry Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
- B01D71/62—Polycondensates having nitrogen-containing heterocyclic rings in the main chain
- B01D71/64—Polyimides; Polyamide-imides; Polyester-imides; Polyamide acids or similar polyimide precursors
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1042—Copolyimides derived from at least two different tetracarboxylic compounds or two different diamino compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
- B01D53/228—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion characterised by specific membranes
-
- 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
- C08G73/1057—Polyimides containing other atoms than carbon, hydrogen, nitrogen or oxygen in the main chain
- C08G73/1064—Polyimides containing other atoms than carbon, hydrogen, nitrogen or oxygen in the main chain containing sulfur
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1067—Wholly aromatic polyimides, i.e. having both tetracarboxylic and diamino moieties aromatically bound
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1067—Wholly aromatic polyimides, i.e. having both tetracarboxylic and diamino moieties aromatically bound
- C08G73/1071—Wholly aromatic polyimides containing oxygen in the form of ether bonds in the main chain
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/175,503 US4838900A (en) | 1988-04-13 | 1988-04-13 | Polyimide gas separation membranes |
| US175,503 | 1988-04-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1036964A true CN1036964A (zh) | 1989-11-08 |
Family
ID=22640477
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN88102904A Pending CN1036964A (zh) | 1988-04-13 | 1988-05-18 | 聚酰亚胺气体分离膜 |
| CN88102914A Expired CN1016349B (zh) | 1988-04-13 | 1988-05-18 | 制备高溶解性芳香聚酰亚胺的方法 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN88102914A Expired CN1016349B (zh) | 1988-04-13 | 1988-05-18 | 制备高溶解性芳香聚酰亚胺的方法 |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US4838900A (enExample) |
| EP (1) | EP0337001B1 (enExample) |
| JP (1) | JPH01262925A (enExample) |
| KR (1) | KR890016095A (enExample) |
| CN (2) | CN1036964A (enExample) |
| AT (1) | ATE92511T1 (enExample) |
| AU (1) | AU608323B2 (enExample) |
| BR (1) | BR8802382A (enExample) |
| DE (1) | DE3882973T2 (enExample) |
| DK (1) | DK269088A (enExample) |
| MA (1) | MA21279A1 (enExample) |
| NO (1) | NO882148L (enExample) |
| NZ (1) | NZ224630A (enExample) |
| OA (1) | OA08850A (enExample) |
| PT (1) | PT87515B (enExample) |
| TN (1) | TNSN88061A1 (enExample) |
| ZA (1) | ZA883479B (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101925398A (zh) * | 2008-02-05 | 2010-12-22 | 宇部兴产株式会社 | 聚酰亚胺气体分离膜和气体分离方法 |
| CN109865437A (zh) * | 2019-03-11 | 2019-06-11 | 长春工业大学 | 一种具有简易自我调节渗透性和选择性的含氨基聚芳醚酮气体分离膜及其制备方法 |
Families Citing this family (48)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4851505A (en) * | 1988-04-13 | 1989-07-25 | E. I. Du Pont De Nemours And Company | Highly soluble aromatic polyimides |
| US4948400A (en) * | 1988-06-30 | 1990-08-14 | Nippon Steel Chemical Co., Ltd. | Separation membranes and process for preparing the same |
| US4897092A (en) * | 1989-02-27 | 1990-01-30 | Air Products And Chemicals, Inc. | Polyimide membrane having improved flux |
| US4952220A (en) * | 1989-04-11 | 1990-08-28 | Air Products And Chemicals, Inc. | Membranes formed from unsaturated polyimides |
| US5055116A (en) * | 1989-05-22 | 1991-10-08 | Hoechst Celanese Corp. | Gas separation membranes comprising miscible blends of polyimide polymers |
| US4932983A (en) * | 1989-06-01 | 1990-06-12 | E. I. Du Pont De Nemours And Company | Copolyimide gas separation membranes derived from substituted methylene dianilines and unsubstituted diamines |
| US4932982A (en) * | 1989-06-01 | 1990-06-12 | E. I. Du Pont De Nemours And Company | Copolyimide gas separation membranes derived from substituted phenylene diamines and substituted methylene dianilines |
| US4945265A (en) * | 1989-07-13 | 1990-07-31 | National Semiconductor Corporation | ECL/CML pseudo-rail circuit, cutoff driver circuit, and latch circuit |
| US5074891A (en) * | 1989-07-27 | 1991-12-24 | Hoechst Celanese Corp. | Method of gas separation and membranes therefor |
| US4954144A (en) * | 1989-09-12 | 1990-09-04 | Air Products And Chemicals, Inc. | Polyimide membranes and their use for gas separation |
| US4988371A (en) * | 1989-09-12 | 1991-01-29 | The Dow Chemical Company | Novel alicyclic polyimide gas separation membranes |
| US4983191A (en) * | 1989-10-10 | 1991-01-08 | E. I. Du Pont De Nemours And Company | Production of aromatic polyimide membranes |
| US5042992A (en) * | 1990-03-21 | 1991-08-27 | W. R. Grace & Co.-Conn. | Gas separation material |
| US5067970A (en) * | 1990-05-11 | 1991-11-26 | W. R. Grace & Co.-Conn. | Asymmetric polyimide membranes |
| US5061298A (en) * | 1990-06-13 | 1991-10-29 | Air Products And Chemicals, Inc. | Gas separating membranes formed from blends of polyimide polymers |
| US5042993A (en) * | 1990-07-24 | 1991-08-27 | Air Products And Chemicals, Inc. | Gas separating membranes from polyimide polymers |
| US5045093A (en) * | 1990-10-16 | 1991-09-03 | Air Products And Chemicals, Inc. | Gas separating membranes from polyimide polymers and a process for using the same |
| US5178650A (en) * | 1990-11-30 | 1993-01-12 | E. I. Du Pont De Nemours And Company | Polyimide gas separation membranes and process of using same |
| US5391219A (en) * | 1991-04-15 | 1995-02-21 | Nitto Denko Corporation | Method for the separation and concentration of gas using a composite or asymmetric fluorine-containing polyimide membrane |
| US5234471A (en) * | 1992-02-04 | 1993-08-10 | E. I. Du Pont De Nemours And Company | Polyimide gas separation membranes for carbon dioxide enrichment |
| US5266100A (en) * | 1992-09-02 | 1993-11-30 | E. I. Du Pont De Nemours And Company | Alkyl substituted polyimide, polyamide and polyamide-imide gas separation membranes |
| US5248319A (en) * | 1992-09-02 | 1993-09-28 | E. I. Du Pont De Nemours And Company | Gas separation membranes made from blends of aromatic polyamide, polymide or polyamide-imide polymers |
| US5232472A (en) * | 1992-11-03 | 1993-08-03 | E. I. Du Pont De Nemours And Company | Polyimide and polyamide-imide gas separation membranes |
| US5286280A (en) * | 1992-12-31 | 1994-02-15 | Hoechst Celanese Corporation | Composite gas separation membrane having a gutter layer comprising a crosslinked polar phenyl-containing - organopolysiloxane, and method for making the same - |
| US5591250A (en) * | 1993-08-09 | 1997-01-07 | Gas Research Institute | Material and process for separating carbon dioxide from methane |
| US5750633A (en) * | 1994-10-26 | 1998-05-12 | Nitto Denko Corporation | Dope for cast formation and method of manufacturing the same |
| US5690870A (en) * | 1994-10-26 | 1997-11-25 | Nitto Denko Corporation | Method of manufacturing a polyimide-type gas permeation membrane including fluorine |
| US5817165A (en) * | 1995-06-15 | 1998-10-06 | Nitto Denko Corporation | Fluorine-containing polyimide gas separation membrane and method of manufacturing the same |
| US5618334A (en) * | 1995-06-30 | 1997-04-08 | Praxair Technology, Inc. | Sulfonated polyimide gas separation membranes |
| US5725633A (en) * | 1995-06-30 | 1998-03-10 | Praxair Technology, Inc. | Sulfonated polyimide gas separation membranes |
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-
1988
- 1988-04-13 US US07/175,503 patent/US4838900A/en not_active Expired - Lifetime
- 1988-05-16 NO NO88882148A patent/NO882148L/no unknown
- 1988-05-16 OA OA59358A patent/OA08850A/xx unknown
- 1988-05-16 NZ NZ224630A patent/NZ224630A/xx unknown
- 1988-05-16 MA MA21520A patent/MA21279A1/fr unknown
- 1988-05-17 ZA ZA883479A patent/ZA883479B/xx unknown
- 1988-05-17 DK DK269088A patent/DK269088A/da not_active Application Discontinuation
- 1988-05-17 AU AU16335/88A patent/AU608323B2/en not_active Ceased
- 1988-05-17 BR BR8802382A patent/BR8802382A/pt unknown
- 1988-05-18 PT PT87515A patent/PT87515B/pt not_active IP Right Cessation
- 1988-05-18 CN CN88102904A patent/CN1036964A/zh active Pending
- 1988-05-18 KR KR1019880005819A patent/KR890016095A/ko not_active Withdrawn
- 1988-05-18 AT AT88107946T patent/ATE92511T1/de not_active IP Right Cessation
- 1988-05-18 CN CN88102914A patent/CN1016349B/zh not_active Expired
- 1988-05-18 EP EP88107946A patent/EP0337001B1/en not_active Expired - Lifetime
- 1988-05-18 DE DE88107946T patent/DE3882973T2/de not_active Expired - Fee Related
- 1988-05-18 JP JP63119443A patent/JPH01262925A/ja active Granted
- 1988-06-10 TN TNTNSN88061A patent/TNSN88061A1/fr unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101925398A (zh) * | 2008-02-05 | 2010-12-22 | 宇部兴产株式会社 | 聚酰亚胺气体分离膜和气体分离方法 |
| CN101925398B (zh) * | 2008-02-05 | 2013-06-26 | 宇部兴产株式会社 | 聚酰亚胺气体分离膜和气体分离方法 |
| CN109865437A (zh) * | 2019-03-11 | 2019-06-11 | 长春工业大学 | 一种具有简易自我调节渗透性和选择性的含氨基聚芳醚酮气体分离膜及其制备方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01262925A (ja) | 1989-10-19 |
| OA08850A (en) | 1989-03-31 |
| CN1016349B (zh) | 1992-04-22 |
| DE3882973D1 (de) | 1993-09-09 |
| PT87515B (pt) | 1994-04-29 |
| BR8802382A (pt) | 1989-12-05 |
| KR890016095A (ko) | 1989-11-28 |
| NO882148D0 (no) | 1988-05-16 |
| DK269088A (da) | 1989-10-14 |
| MA21279A1 (fr) | 1988-12-31 |
| AU1633588A (en) | 1990-04-12 |
| JPH053330B2 (enExample) | 1993-01-14 |
| EP0337001B1 (en) | 1993-08-04 |
| PT87515A (pt) | 1989-11-10 |
| EP0337001A1 (en) | 1989-10-18 |
| TNSN88061A1 (fr) | 1990-07-10 |
| DK269088D0 (da) | 1988-05-17 |
| ATE92511T1 (de) | 1993-08-15 |
| NO882148L (no) | 1989-10-16 |
| CN1036965A (zh) | 1989-11-08 |
| DE3882973T2 (de) | 1994-03-17 |
| NZ224630A (en) | 1989-11-28 |
| ZA883479B (en) | 1990-01-31 |
| AU608323B2 (en) | 1991-03-28 |
| US4838900A (en) | 1989-06-13 |
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