JPS561345B2 - - Google Patents
Info
- Publication number
- JPS561345B2 JPS561345B2 JP9253575A JP9253575A JPS561345B2 JP S561345 B2 JPS561345 B2 JP S561345B2 JP 9253575 A JP9253575 A JP 9253575A JP 9253575 A JP9253575 A JP 9253575A JP S561345 B2 JPS561345 B2 JP S561345B2
- Authority
- JP
- Japan
- 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
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
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- 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
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
-
- 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
- B01D2325/0231—Dense layers being placed on the outer side of the cross-section
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50092535A JPS5216572A (en) | 1975-07-31 | 1975-07-31 | Method of producing wet film |
GB28219/76A GB1502536A (en) | 1975-07-31 | 1976-07-07 | Process for preparing film by wet method |
FR7622848A FR2319663A1 (fr) | 1975-07-31 | 1976-07-27 | Procede de preparation d'une pellicule asymetrique par voie humide |
IT50677/76A IT1062644B (it) | 1975-07-31 | 1976-07-29 | Procedimento per preparare pellicole mediante metodo ad umido |
DE2634604A DE2634604C3 (de) | 1975-07-31 | 1976-07-31 | Verfahren zur Herstellung einer Folie mit einer asymmetrischen Querschnittsstruktur nach dem Naßverfahren |
US05/785,436 US4102959A (en) | 1975-07-31 | 1977-04-07 | Process for preparing film by wet method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50092535A JPS5216572A (en) | 1975-07-31 | 1975-07-31 | Method of producing wet film |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5216572A JPS5216572A (en) | 1977-02-07 |
JPS561345B2 true JPS561345B2 (ko) | 1981-01-13 |
Family
ID=14057048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50092535A Granted JPS5216572A (en) | 1975-07-31 | 1975-07-31 | Method of producing wet film |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS5216572A (ko) |
DE (1) | DE2634604C3 (ko) |
FR (1) | FR2319663A1 (ko) |
GB (1) | GB1502536A (ko) |
IT (1) | IT1062644B (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58175226A (ja) * | 1982-04-08 | 1983-10-14 | 株式会社安川電機 | ガス封入形遮断器 |
JPH0220742Y2 (ko) * | 1981-01-09 | 1990-06-06 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2470371B1 (fr) * | 1979-11-23 | 1985-09-13 | Neotronics Ltd | Appareil de mesure de l'efficacite d'installation de combustion |
DE3217047A1 (de) * | 1982-05-06 | 1983-11-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München | Membranen auf der basis von kieselsaeureheteropolykondensaten, verfahren zu ihrer herstellung und ihre verwendung |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4953258A (ko) * | 1972-09-22 | 1974-05-23 |
-
1975
- 1975-07-31 JP JP50092535A patent/JPS5216572A/ja active Granted
-
1976
- 1976-07-07 GB GB28219/76A patent/GB1502536A/en not_active Expired
- 1976-07-27 FR FR7622848A patent/FR2319663A1/fr active Granted
- 1976-07-29 IT IT50677/76A patent/IT1062644B/it active
- 1976-07-31 DE DE2634604A patent/DE2634604C3/de not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4953258A (ko) * | 1972-09-22 | 1974-05-23 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0220742Y2 (ko) * | 1981-01-09 | 1990-06-06 | ||
JPS58175226A (ja) * | 1982-04-08 | 1983-10-14 | 株式会社安川電機 | ガス封入形遮断器 |
Also Published As
Publication number | Publication date |
---|---|
FR2319663A1 (fr) | 1977-02-25 |
DE2634604B2 (de) | 1978-06-01 |
JPS5216572A (en) | 1977-02-07 |
GB1502536A (en) | 1978-03-01 |
FR2319663B1 (ko) | 1978-05-05 |
IT1062644B (it) | 1984-10-20 |
DE2634604C3 (de) | 1979-01-25 |
DE2634604A1 (de) | 1977-02-03 |