GB1238180A - - Google Patents
Info
- Publication number
- GB1238180A GB1238180A GB1238180DA GB1238180A GB 1238180 A GB1238180 A GB 1238180A GB 1238180D A GB1238180D A GB 1238180DA GB 1238180 A GB1238180 A GB 1238180A
- Authority
- GB
- United Kingdom
- Prior art keywords
- diluent
- polymer
- membrane
- dmf
- sept
- 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
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 abstract 12
- 239000003085 diluting agent Substances 0.000 abstract 5
- 229920000642 polymer Polymers 0.000 abstract 5
- 239000012528 membrane Substances 0.000 abstract 4
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 abstract 2
- 239000003960 organic solvent Substances 0.000 abstract 2
- 239000011148 porous material Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 229920002821 Modacrylic Polymers 0.000 abstract 1
- 239000010410 layer Substances 0.000 abstract 1
- 239000012982 microporous membrane Substances 0.000 abstract 1
- 239000003607 modifier Substances 0.000 abstract 1
- 229920002492 poly(sulfone) Polymers 0.000 abstract 1
- 229920000379 polypropylene carbonate Polymers 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- 239000002344 surface layer Substances 0.000 abstract 1
- 229920005613 synthetic organic polymer Polymers 0.000 abstract 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
- B01D71/76—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/22—Thermal or heat-resistance properties
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)
- Laminated Bodies (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66964867A | 1967-09-21 | 1967-09-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1238180A true GB1238180A (da) | 1971-07-07 |
Family
ID=24687156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1238180D Expired GB1238180A (da) | 1967-09-21 | 1968-09-12 |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS5022508B1 (da) |
| BE (1) | BE721058A (da) |
| BR (1) | BR6802466D0 (da) |
| CH (1) | CH526978A (da) |
| DE (1) | DE1794191B2 (da) |
| DK (1) | DK145564C (da) |
| ES (1) | ES358342A1 (da) |
| FI (1) | FI50064C (da) |
| FR (1) | FR1584659A (da) |
| GB (1) | GB1238180A (da) |
| NL (1) | NL161988B (da) |
| PL (1) | PL88875B1 (da) |
| SE (1) | SE369377B (da) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2671628A4 (en) * | 2011-01-31 | 2016-11-23 | Toray Industries | SEPARATION MEMBRANE FOR WATER TREATMENT AND METHOD FOR PRODUCING SAME |
| CN112442749A (zh) * | 2019-08-27 | 2021-03-05 | 中国石油化工股份有限公司 | 一种纤维材料的制备方法及应用 |
| EP3639913A4 (en) * | 2017-06-15 | 2021-04-14 | Kaneka Corporation | POROUS MEMBRANE FOR USE IN WATER TREATMENT |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1396091A (en) * | 1971-02-18 | 1975-05-29 | Babcock & Wilcox Ltd | Semi-permeable membranes |
| JPS523343B2 (da) * | 1972-04-28 | 1977-01-27 | ||
| FR2265454A2 (en) * | 1974-03-26 | 1975-10-24 | Uhde Gmbh Friedrich | Polyether-polycarbonate block copolymer films - esp for haemodialysis made by casting from soln |
| JPS5193786A (en) * | 1975-02-15 | 1976-08-17 | Makurokagatano chukuseni | |
| NZ184767A (en) * | 1976-08-05 | 1980-03-05 | Tecneco Spa | Assymetric membranes from fluorinated polymeric materials |
| US4087388A (en) * | 1976-10-21 | 1978-05-02 | E. I. Du Pont De Nemours And Company | Process of preparing a permselective membrane |
| US4203847A (en) * | 1977-05-25 | 1980-05-20 | Millipore Corporation | Making porous membranes and the membrane products |
| JPS5416378A (en) * | 1977-07-08 | 1979-02-06 | Asahi Chem Ind Co Ltd | Polysulfone semipermeable membrane |
| JPS5827963B2 (ja) * | 1979-05-17 | 1983-06-13 | 日東電工株式会社 | 選択性透過膜の製造方法 |
| US4774039A (en) * | 1980-03-14 | 1988-09-27 | Brunswick Corporation | Dispersing casting of integral skinned highly asymmetric polymer membranes |
| CA1202837A (en) * | 1980-03-14 | 1986-04-08 | Wolfgang J. Wrasidlo | Asymmetric membranes and process therefor |
| DE3028213C2 (de) * | 1980-07-25 | 1990-12-06 | Akzo Gmbh, 5600 Wuppertal | Verfahren zur Herstellung einer Ultrafiltrationsmembran aus Polyamid und daraus hergestellte Membran |
-
1968
- 1968-09-12 GB GB1238180D patent/GB1238180A/en not_active Expired
- 1968-09-18 BE BE721058D patent/BE721058A/xx not_active IP Right Cessation
- 1968-09-19 BR BR202466/68A patent/BR6802466D0/pt unknown
- 1968-09-19 NL NL6813415.A patent/NL161988B/xx not_active Application Discontinuation
- 1968-09-19 FI FI682644A patent/FI50064C/fi active
- 1968-09-20 JP JP43067719A patent/JPS5022508B1/ja active Pending
- 1968-09-20 DK DK455368A patent/DK145564C/da not_active IP Right Cessation
- 1968-09-20 SE SE12753/68A patent/SE369377B/xx unknown
- 1968-09-20 FR FR1584659D patent/FR1584659A/fr not_active Expired
- 1968-09-20 DE DE1794191A patent/DE1794191B2/de not_active Ceased
- 1968-09-20 CH CH1410568A patent/CH526978A/de not_active IP Right Cessation
- 1968-09-20 ES ES358342A patent/ES358342A1/es not_active Expired
- 1968-09-21 PL PL1968129185A patent/PL88875B1/pl unknown
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2671628A4 (en) * | 2011-01-31 | 2016-11-23 | Toray Industries | SEPARATION MEMBRANE FOR WATER TREATMENT AND METHOD FOR PRODUCING SAME |
| EP3639913A4 (en) * | 2017-06-15 | 2021-04-14 | Kaneka Corporation | POROUS MEMBRANE FOR USE IN WATER TREATMENT |
| US11224844B2 (en) | 2017-06-15 | 2022-01-18 | Kaneka Corporation | Porous membrane for water treatment use |
| CN112442749A (zh) * | 2019-08-27 | 2021-03-05 | 中国石油化工股份有限公司 | 一种纤维材料的制备方法及应用 |
| CN112442749B (zh) * | 2019-08-27 | 2023-04-11 | 中国石油化工股份有限公司 | 一种纤维材料的制备方法及应用 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5022508B1 (da) | 1975-07-31 |
| FR1584659A (da) | 1969-12-26 |
| PL88875B1 (da) | 1976-10-30 |
| NL6813415A (da) | 1969-03-25 |
| SE369377B (da) | 1974-08-26 |
| BE721058A (da) | 1969-03-03 |
| DE1794191A1 (de) | 1971-03-18 |
| DK145564C (da) | 1983-05-16 |
| DE1794191B2 (de) | 1974-04-25 |
| FI50064B (da) | 1975-09-01 |
| NL161988B (nl) | 1979-11-15 |
| BR6802466D0 (pt) | 1973-05-10 |
| ES358342A1 (es) | 1970-06-01 |
| FI50064C (fi) | 1975-12-10 |
| DK145564B (da) | 1982-12-13 |
| CH526978A (de) | 1972-08-31 |
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| Vieth et al. | STUDY OF POLY(METHACRYLATES) AND POLY(URETHANES) AS REVERSE OSMOSIS MEMBRANES. EFFECT OF WATER CLUSTERING ON TRANSPORT PROPERTIES | |
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| Graefe | Development of a Composite Reverse Osmosis Membrane for Single Pass Seawater Desalination |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| 732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
| PE20 | Patent expired after termination of 20 years |