DE3223844A1 - Verfahren zur modifizierung einer poroesen polymermembran - Google Patents
Verfahren zur modifizierung einer poroesen polymermembranInfo
- Publication number
- DE3223844A1 DE3223844A1 DE19823223844 DE3223844A DE3223844A1 DE 3223844 A1 DE3223844 A1 DE 3223844A1 DE 19823223844 DE19823223844 DE 19823223844 DE 3223844 A DE3223844 A DE 3223844A DE 3223844 A1 DE3223844 A1 DE 3223844A1
- Authority
- DE
- Germany
- Prior art keywords
- membrane
- porous
- polymer membrane
- porous polymer
- liquid
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
-
- 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
-
- 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
- B01D71/66—Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
- B01D71/68—Polysulfones; Polyethersulfones
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10133581A JPS585343A (ja) | 1981-07-01 | 1981-07-01 | 多孔質膜の改質方法 |
JP10713781A JPS588735A (ja) | 1981-07-10 | 1981-07-10 | 芳香族ポリイミド多孔質膜の改質方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3223844A1 true DE3223844A1 (de) | 1983-01-27 |
DE3223844C2 DE3223844C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-03-31 |
Family
ID=26442227
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19823223844 Granted DE3223844A1 (de) | 1981-07-01 | 1982-06-25 | Verfahren zur modifizierung einer poroesen polymermembran |
Country Status (4)
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3318180A1 (de) * | 1983-05-19 | 1984-11-22 | Akzo Gmbh, 5600 Wuppertal | Stabilisierte mikroporoese mikrofiltrationsmembranen aus polypropylen |
US4532041A (en) * | 1983-05-13 | 1985-07-30 | Exxon Research And Engineering Co. | Asymmetric polyimide reverse osmosis membrane, method for preparation of same and use thereof for organic liquid separations |
EP0263212A1 (en) * | 1986-10-08 | 1988-04-13 | Ube Industries, Ltd. | Method for removing water vapor from water vapor-containing gas |
EP0401005A1 (en) * | 1989-06-01 | 1990-12-05 | E.I. Du Pont De Nemours And Company | Amine-modified polyimide membranes |
EP0422884A1 (en) * | 1989-10-10 | 1991-04-17 | E.I. Du Pont De Nemours And Company | Surfactant treatment of aromatic polyimide gas separation membranes |
EP0424004A1 (en) * | 1989-10-10 | 1991-04-24 | E.I. Du Pont De Nemours And Company | Surfactant treatment of polyaramide gas separation membranes |
EP0413148A3 (en) * | 1989-07-20 | 1991-07-03 | The Dow Chemical Company | Polycarbonate gas separation membranes and processes for making and using the same |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4527999A (en) * | 1984-03-23 | 1985-07-09 | Abcor, Inc. | Separation membrane and method of preparing and using same |
US4775474A (en) * | 1984-12-21 | 1988-10-04 | The Dow Chemical Company | Membranes containing microporous structure |
US4705540A (en) * | 1986-04-17 | 1987-11-10 | E. I. Du Pont De Nemours And Company | Polyimide gas separation membranes |
DE3615649A1 (de) * | 1986-05-09 | 1987-11-19 | Geesthacht Gkss Forschung | Verfahren zur herstellung hochselektiver integralasymmetrischer polyetherimid-membranen |
US4717393A (en) * | 1986-10-27 | 1988-01-05 | E. I. Du Pont De Nemours And Company | Polyimide gas separation membranes |
US4717394A (en) * | 1986-10-27 | 1988-01-05 | E. I. Du Pont De Nemours And Company | Polyimide gas separation membranes |
US4881954A (en) * | 1987-07-31 | 1989-11-21 | Union Carbide Corporation | Permeable membranes for enhanced gas separation |
US4990165A (en) * | 1987-07-31 | 1991-02-05 | Union Carbide Industrial Gases Technology Corporation | Permeable membranes for enhanced gas separation |
US4880442A (en) * | 1987-12-22 | 1989-11-14 | E. I. Du Pont De Nemours And Company | Polyimide gas separation membranes |
US5149425A (en) * | 1988-11-09 | 1992-09-22 | Chembiomed, Ltd. | Affinity supports for hemoperfusion |
US5240601A (en) * | 1988-11-09 | 1993-08-31 | Chembiomed, Ltd. | Affinity supports for hemoperfusion |
US5032279A (en) * | 1989-09-21 | 1991-07-16 | Occidental Chemical Corporation | Separation of fluids using polyimidesiloxane membrane |
US5196500A (en) * | 1990-12-17 | 1993-03-23 | E. I. Du Pont De Nemours And Company | Tetrapolyimide film containing benzophenone tetracarboxylic dianhydride |
US5558936A (en) * | 1991-08-01 | 1996-09-24 | Hoechst Celanese Corp | High selectivity hollow fibers |
US6180008B1 (en) | 1998-07-30 | 2001-01-30 | W. R. Grace & Co.-Conn. | Polyimide membranes for hyperfiltration recovery of aromatic solvents |
SG108269A1 (en) | 2001-08-15 | 2005-01-28 | Inst Materials Research & Eng | Chemical modification of polyimides |
US6730145B1 (en) | 2002-01-29 | 2004-05-04 | L'air Liquide Societe Anonyme | Treating gas separation membrane with aqueous reagent dispersion |
US20070056901A1 (en) * | 2005-09-14 | 2007-03-15 | General Electric Company | Solvent-resistant membranes from solvent-inert polyimides and polyketones |
WO2007140252A1 (en) * | 2006-05-25 | 2007-12-06 | Drexel University | Filled nanoporous polymer membrane composites for protective clothing and methods for making them |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0023406A1 (en) * | 1979-07-26 | 1981-02-04 | Ube Industries, Ltd. | Process for preparing aromatic polyimide semipermeable membranes |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3228745A (en) * | 1961-01-10 | 1966-01-11 | Lehigh Valley Ind Inc | Process of shrinking nylon fabrics with mixtures of specific chemical shrinking agents |
BE757690A (fr) * | 1969-10-20 | 1971-04-19 | Minnesota Mining & Mfg | Pellicules microporeuses et procedes pour leur fabrication |
US3819401A (en) * | 1970-11-13 | 1974-06-25 | Fmc Corp | Method of preparing shirred, elastic, flexible articles |
US4107384A (en) * | 1976-08-10 | 1978-08-15 | Mitsubishi Rayon Co., Ltd. | Method for producing porous fibers |
-
1982
- 1982-06-23 GB GB08218163A patent/GB2104832B/en not_active Expired
- 1982-06-25 US US06/392,169 patent/US4486376A/en not_active Expired - Fee Related
- 1982-06-25 DE DE19823223844 patent/DE3223844A1/de active Granted
- 1982-06-30 CA CA000406464A patent/CA1206308A/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0023406A1 (en) * | 1979-07-26 | 1981-02-04 | Ube Industries, Ltd. | Process for preparing aromatic polyimide semipermeable membranes |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4532041A (en) * | 1983-05-13 | 1985-07-30 | Exxon Research And Engineering Co. | Asymmetric polyimide reverse osmosis membrane, method for preparation of same and use thereof for organic liquid separations |
DE3318180A1 (de) * | 1983-05-19 | 1984-11-22 | Akzo Gmbh, 5600 Wuppertal | Stabilisierte mikroporoese mikrofiltrationsmembranen aus polypropylen |
EP0263212A1 (en) * | 1986-10-08 | 1988-04-13 | Ube Industries, Ltd. | Method for removing water vapor from water vapor-containing gas |
EP0401005A1 (en) * | 1989-06-01 | 1990-12-05 | E.I. Du Pont De Nemours And Company | Amine-modified polyimide membranes |
EP0413148A3 (en) * | 1989-07-20 | 1991-07-03 | The Dow Chemical Company | Polycarbonate gas separation membranes and processes for making and using the same |
EP0422884A1 (en) * | 1989-10-10 | 1991-04-17 | E.I. Du Pont De Nemours And Company | Surfactant treatment of aromatic polyimide gas separation membranes |
EP0424004A1 (en) * | 1989-10-10 | 1991-04-24 | E.I. Du Pont De Nemours And Company | Surfactant treatment of polyaramide gas separation membranes |
Also Published As
Publication number | Publication date |
---|---|
GB2104832B (en) | 1985-01-23 |
GB2104832A (en) | 1983-03-16 |
CA1206308A (en) | 1986-06-24 |
US4486376A (en) | 1984-12-04 |
DE3223844C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-03-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |