DE3342824C2 - - Google Patents
Info
- Publication number
- DE3342824C2 DE3342824C2 DE3342824A DE3342824A DE3342824C2 DE 3342824 C2 DE3342824 C2 DE 3342824C2 DE 3342824 A DE3342824 A DE 3342824A DE 3342824 A DE3342824 A DE 3342824A DE 3342824 C2 DE3342824 C2 DE 3342824C2
- Authority
- DE
- Germany
- Prior art keywords
- filter element
- polysulfone
- filter
- over
- bath
- 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
Links
- 229920002492 poly(sulfone) Polymers 0.000 claims description 37
- 239000011148 porous material Substances 0.000 claims description 31
- 239000012528 membrane Substances 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000002904 solvent Substances 0.000 claims description 12
- 238000005345 coagulation Methods 0.000 claims description 11
- 230000015271 coagulation Effects 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 11
- 239000011265 semifinished product Substances 0.000 claims description 8
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000002202 Polyethylene glycol Substances 0.000 claims description 6
- 238000007596 consolidation process Methods 0.000 claims description 6
- 229920001223 polyethylene glycol Polymers 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 4
- 239000000243 solution Substances 0.000 description 13
- 230000000087 stabilizing effect Effects 0.000 description 12
- 230000001112 coagulating effect Effects 0.000 description 11
- 238000012360 testing method Methods 0.000 description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 7
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 6
- 235000019441 ethanol Nutrition 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 238000000635 electron micrograph Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000005025 cast polypropylene Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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
- B01D67/0002—Organic membrane manufacture
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0016—Coagulation
- B01D67/00165—Composition of the coagulation baths
-
- 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
-
- 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
- B01D67/0002—Organic membrane manufacture
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0016—Coagulation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/08—Specific temperatures applied
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/12—Specific ratios of components used
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
- B01D2325/022—Asymmetric membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
- B01D2325/022—Asymmetric membranes
- B01D2325/0233—Asymmetric membranes with clearly distinguishable layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/04—Characteristic thickness
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion 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)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19833342824 DE3342824A1 (de) | 1983-11-26 | 1983-11-26 | Verfahren zum herstellen von filterelementen auf polysulfon-basis |
| GB08429137A GB2155356B (en) | 1983-11-26 | 1984-11-19 | Process for the production of filter elements based on polysulphone |
| JP59248260A JPH0661437B2 (ja) | 1983-11-26 | 1984-11-26 | ポリスルホンからなる濾材の製造法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19833342824 DE3342824A1 (de) | 1983-11-26 | 1983-11-26 | Verfahren zum herstellen von filterelementen auf polysulfon-basis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3342824A1 DE3342824A1 (de) | 1985-06-05 |
| DE3342824C2 true DE3342824C2 (sl) | 1989-01-19 |
Family
ID=6215334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19833342824 Granted DE3342824A1 (de) | 1983-11-26 | 1983-11-26 | Verfahren zum herstellen von filterelementen auf polysulfon-basis |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPH0661437B2 (sl) |
| DE (1) | DE3342824A1 (sl) |
| GB (1) | GB2155356B (sl) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0228072B1 (en) * | 1985-12-23 | 1991-08-28 | Gelman Sciences, Inc. | Filtration membrane and method of making the same |
| IL78169A0 (en) * | 1986-03-17 | 1986-07-31 | Weizmann Kiryat Membrane Prod | Novel membranes and process for making them |
| DE3829752A1 (de) * | 1988-09-01 | 1990-03-22 | Akzo Gmbh | Integrale asymmetrische polyaethersulfonmembran, verfahren zur herstellung und verwendung zur ultrafiltration und mikrofiltration |
| US4970034A (en) * | 1988-09-23 | 1990-11-13 | W. R. Grace & Co.-Conn. | Process for preparing isotropic microporous polysulfone membranes |
| KR19980018147A (ko) * | 1996-08-09 | 1998-06-05 | 월워크 알란 씨. | 폴리머 공극 필터 |
| GB2316015B (en) * | 1996-08-10 | 2000-08-30 | Scapa Group Plc | Polymer pore structure |
| JP2001504227A (ja) * | 1996-11-14 | 2001-03-27 | ポール・コーポレーション | 膜とその調製方法及び使用方法 |
| US6045899A (en) | 1996-12-12 | 2000-04-04 | Usf Filtration & Separations Group, Inc. | Highly assymetric, hydrophilic, microfiltration membranes having large pore diameters |
| US7229554B2 (en) | 2002-09-25 | 2007-06-12 | Novo Nordisk A/S | Purification process comprising microfiltration at elevated temperatures |
| ES2308029T3 (es) * | 2002-09-25 | 2008-12-01 | Novo Nordisk A/S | Proceso de purificacion que comprende una microfiltracion a temperaturas elevadas. |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2138334B1 (sl) * | 1971-05-24 | 1974-03-08 | Rhone Poulenc Sa | |
| FR2138333B1 (sl) * | 1971-05-24 | 1974-03-08 | Rhone Poulenc Sa | |
| JPS518179A (en) * | 1974-07-11 | 1976-01-22 | Daicel Ltd | Sentakutokaseikobunshimakuoyobisono seizoho |
| JPS5426283A (en) * | 1977-08-01 | 1979-02-27 | Mitsui Petrochem Ind Ltd | Preparation of semipermeable membrane of polysulfone |
| JPS5531474A (en) * | 1978-08-29 | 1980-03-05 | Nitto Electric Ind Co Ltd | Selective permeable membrane |
| JPS55102416A (en) * | 1979-02-01 | 1980-08-05 | Sumitomo Bakelite Co Ltd | Preparation of separated film |
| JPS55106243A (en) * | 1979-02-07 | 1980-08-14 | Nitto Electric Ind Co Ltd | Preparation of microporous polymer membrane |
| CA1202837A (en) * | 1980-03-14 | 1986-04-08 | Wolfgang J. Wrasidlo | Asymmetric membranes and process therefor |
| EP0036947B1 (en) * | 1980-03-28 | 1983-11-09 | Pennwalt Corporation | Method for preparing a membrane of a film-forming non-sulfonated sulfone polymer |
| JPS5794310A (en) * | 1980-12-05 | 1982-06-11 | Daicel Chem Ind Ltd | Production of semipermeable membrane made of polysulfone |
-
1983
- 1983-11-26 DE DE19833342824 patent/DE3342824A1/de active Granted
-
1984
- 1984-11-19 GB GB08429137A patent/GB2155356B/en not_active Expired
- 1984-11-26 JP JP59248260A patent/JPH0661437B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB2155356A (en) | 1985-09-25 |
| DE3342824A1 (de) | 1985-06-05 |
| GB8429137D0 (en) | 1984-12-27 |
| JPS60187309A (ja) | 1985-09-24 |
| GB2155356B (en) | 1987-03-04 |
| JPH0661437B2 (ja) | 1994-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69233584T2 (de) | Ultraporöse und mikroporöse Membranen | |
| EP0361085B1 (de) | Integrale asymmetrische Polyäthersulfonmembran, Verfahren zur Herstellung und Verwendung zur Ultrafiltration und Mikrofiltration | |
| DE3407252C2 (sl) | ||
| DE3342823C2 (sl) | ||
| DE2917357C2 (sl) | ||
| EP0689863B1 (de) | Mehrschichtige Mikrofiltrationsmembran mit integrierter Vorfilterschicht und Verfahren zu ihrer Herstellung | |
| DE69731462T2 (de) | Hochporöse membran aus polyvinylidendifluorid | |
| DE3546328C2 (sl) | ||
| DE2935097C2 (sl) | ||
| DE2833493C2 (de) | Hohlfäden | |
| EP1140331B1 (de) | Verfahren zur herstellung einer integral asymmetrischen polyolefinmembran | |
| DE69917013T2 (de) | Verfahren zur herstellung einer verstärkten, mikroporösen membran mit drei zonen | |
| DE3934267A1 (de) | Hohlfasermembran und verfahren zu ihrer herstellung | |
| DE3138525C2 (sl) | ||
| EP1144096A1 (de) | Integral asymmetrische polyolefinmembran | |
| DE2123433A1 (de) | Hersteilung asymmetrischer Poiymermembranen | |
| DE3342824C2 (sl) | ||
| CH644789A5 (de) | Membran mit poroeser oberflaeche. | |
| DE4226205C2 (de) | Verfahren zur Herstellung von porösen Polyolefintrennmembranen über thermisch induzierte Phasentrennung | |
| DE3016040A1 (de) | Aethylen/vinylalkohol-copolymerhohlfasermembran und verfahren zu ihrer herstellung | |
| DE3016542A1 (de) | Aethylen/vinylalkohol-copolymerhohlfasermembran und verfahren zu ihrer herstellung | |
| DE3244007C2 (de) | Verfahren zur Raffination von Pflanzenölen | |
| DE2453128A1 (de) | Auf einen traeger aufgebrachte semipermeable membran und verfahren zu ihrer herstellung | |
| DE3006880C2 (de) | Plasmaphoresemembran | |
| DE3740852A1 (de) | Mikroporoese filtrationsmembran und verfahren zu ihrer herstellung |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8363 | Opposition against the patent | ||
| 8365 | Fully valid after opposition proceedings | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: SEITZ-FILTER-WERKE GMBH UND CO, 6550 BAD KREUZNACH |
|
| 8339 | Ceased/non-payment of the annual fee |