DE3342824A1 - Verfahren zum herstellen von filterelementen auf polysulfon-basis - Google Patents
Verfahren zum herstellen von filterelementen auf polysulfon-basisInfo
- Publication number
- DE3342824A1 DE3342824A1 DE19833342824 DE3342824A DE3342824A1 DE 3342824 A1 DE3342824 A1 DE 3342824A1 DE 19833342824 DE19833342824 DE 19833342824 DE 3342824 A DE3342824 A DE 3342824A DE 3342824 A1 DE3342824 A1 DE 3342824A1
- Authority
- DE
- Germany
- Prior art keywords
- polysulfone
- filter element
- filter
- pore
- 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.)
- Granted
Links
- 229920002492 poly(sulfone) Polymers 0.000 title claims description 41
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 239000012528 membrane Substances 0.000 claims description 55
- 238000000034 method Methods 0.000 claims description 30
- 239000011148 porous material Substances 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 230000000087 stabilizing effect Effects 0.000 claims description 18
- 239000011265 semifinished product Substances 0.000 claims description 16
- 238000005345 coagulation Methods 0.000 claims description 14
- 230000015271 coagulation Effects 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- 238000001471 micro-filtration Methods 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 10
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 230000006641 stabilisation Effects 0.000 claims description 9
- 238000011105 stabilization Methods 0.000 claims description 9
- 238000007792 addition Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 238000007596 consolidation process Methods 0.000 claims description 6
- 235000019441 ethanol Nutrition 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 4
- 238000011049 filling Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 238000000108 ultra-filtration Methods 0.000 claims description 4
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 3
- 239000002202 Polyethylene glycol Substances 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims description 3
- 229920001223 polyethylene glycol Polymers 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 2
- 229920002521 macromolecule Polymers 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 claims description 2
- 238000005245 sintering Methods 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- 238000007654 immersion Methods 0.000 claims 1
- 230000001112 coagulating effect Effects 0.000 description 22
- 238000002474 experimental method Methods 0.000 description 13
- 238000000635 electron micrograph Methods 0.000 description 6
- 238000001000 micrograph Methods 0.000 description 5
- 239000010410 layer 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
- 238000013461 design Methods 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002344 surface layer Substances 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
- B01D71/66—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
- B01D67/00165—Composition of the coagulation baths
-
- 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
- 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 true DE3342824A1 (de) | 1985-06-05 |
| DE3342824C2 DE3342824C2 (enrdf_load_stackoverflow) | 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 (enrdf_load_stackoverflow) |
| DE (1) | DE3342824A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2155356B (enrdf_load_stackoverflow) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0238276A3 (en) * | 1986-03-17 | 1988-08-17 | Membrane Products Kiryat Weizmann Ltd. | Novel membranes and process for making them |
| EP0228072A3 (en) * | 1985-12-23 | 1989-07-05 | Gelman Sciences, Inc. | Filtration membrane and method of making the same |
| DE3829752A1 (de) * | 1988-09-01 | 1990-03-22 | Akzo Gmbh | Integrale asymmetrische polyaethersulfonmembran, verfahren zur herstellung und verwendung zur ultrafiltration und mikrofiltration |
| EP0362588A1 (en) * | 1988-09-23 | 1990-04-11 | W.R. Grace & Co.-Conn. | Process for preparing isotropic microporous polysulfone membranes |
| US5980746A (en) * | 1996-11-14 | 1999-11-09 | Pall Corporation | Membrane and methods of preparing and using same |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| AU2003266216A1 (en) * | 2002-09-25 | 2004-04-19 | Novo Nordisk A/S | Purification process comprising microfiltration at elevated temperatures |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0036315A2 (en) * | 1980-03-14 | 1981-09-23 | Memtec America Corporation | Anisotropic membranes |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2138333B1 (enrdf_load_stackoverflow) * | 1971-05-24 | 1974-03-08 | Rhone Poulenc Sa | |
| FR2138334B1 (enrdf_load_stackoverflow) * | 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 |
| DE3161345D1 (en) * | 1980-03-28 | 1983-12-15 | Pennwalt Corp | 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
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0036315A2 (en) * | 1980-03-14 | 1981-09-23 | Memtec America Corporation | Anisotropic membranes |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0228072A3 (en) * | 1985-12-23 | 1989-07-05 | Gelman Sciences, Inc. | Filtration membrane and method of making the same |
| EP0238276A3 (en) * | 1986-03-17 | 1988-08-17 | Membrane Products Kiryat Weizmann Ltd. | 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 |
| US4976859A (en) * | 1988-09-01 | 1990-12-11 | Akzo N.V. | Integral asymmetric polyether-sulfone membrane, process for its production, and use for ultrafiltration and microfiltration |
| EP0362588A1 (en) * | 1988-09-23 | 1990-04-11 | W.R. Grace & Co.-Conn. | Process for preparing isotropic microporous polysulfone membranes |
| US5980746A (en) * | 1996-11-14 | 1999-11-09 | Pall Corporation | Membrane and methods of preparing and using same |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2155356B (en) | 1987-03-04 |
| DE3342824C2 (enrdf_load_stackoverflow) | 1989-01-19 |
| GB8429137D0 (en) | 1984-12-27 |
| JPS60187309A (ja) | 1985-09-24 |
| JPH0661437B2 (ja) | 1994-08-17 |
| GB2155356A (en) | 1985-09-25 |
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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 |