JPS6467211A - Preparation of composite membrane having selective permeability to gases - Google Patents
Preparation of composite membrane having selective permeability to gasesInfo
- Publication number
- JPS6467211A JPS6467211A JP22348687A JP22348687A JPS6467211A JP S6467211 A JPS6467211 A JP S6467211A JP 22348687 A JP22348687 A JP 22348687A JP 22348687 A JP22348687 A JP 22348687A JP S6467211 A JPS6467211 A JP S6467211A
- Authority
- JP
- Japan
- Prior art keywords
- membrane
- composite membrane
- organopolysiloxane
- porous support
- gases
- 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.)
- Pending
Links
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Laminated Bodies (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
Abstract
PURPOSE:To obtain a gas-permeable membrane excellent in permeability, separating ability and stability, by forming on a porous support a polymeric thin membrane of an organopolysiloxane having no film-forming ability and a thin membrane of a vitreous polymer, and then subjecting the resulting composite membrane to a heat treatment at a specific temperature. CONSTITUTION:A thin membrane of either an organopolysiloxane or an organopolysiloxane copolymer which have no film-forming ability, such as methylhydrogen polysiloxane, is allowed to adhere to the surface of a porous support. Then, a solution of poly-1-(trimethylsilyl)propyne in n-hexane etc. is dropped on the surface of water to form a water surface-cast membrane. This cast membrane is bonded with, or otherwise allowed to adhere to, the surface of the porous support to which the methylhydrogen polysiloxane has adhered, thereby preparing a composite membrane comprising the polymeric thin membrane of an organopolysiloxane and the thin membrane of a vitreous polymer, formed thereon, having a glass transition temperature, Tg, of 180 deg.C or higher. Further, this composite membrane is subjected to heat treatment at a temperature in the range of from 40-200 deg.C, thereby obtaining a composite membrane having selective permeability to gases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22348687A JPS6467211A (en) | 1987-09-07 | 1987-09-07 | Preparation of composite membrane having selective permeability to gases |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22348687A JPS6467211A (en) | 1987-09-07 | 1987-09-07 | Preparation of composite membrane having selective permeability to gases |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6467211A true JPS6467211A (en) | 1989-03-13 |
Family
ID=16798888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22348687A Pending JPS6467211A (en) | 1987-09-07 | 1987-09-07 | Preparation of composite membrane having selective permeability to gases |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6467211A (en) |
-
1987
- 1987-09-07 JP JP22348687A patent/JPS6467211A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5471785A (en) | Selectively permeable membrane and production thereof | |
| ATE81481T1 (en) | WATERPROOF OBJECT AND METHOD OF PRODUCTION. | |
| GB2072047A (en) | Gas-permeable membrane method of making it and blood oxygenator based on the use thereof | |
| IE801877L (en) | Polysiloxane copolymers | |
| JPS56159128A (en) | Thermoplastic resin porous film and production thereof | |
| MY100323A (en) | Composite dense membrane | |
| IE41567L (en) | Water-insoluble hydrophilic copolymers. | |
| ES460499A1 (en) | Preparation of organopolysiloxane polymers | |
| JPS6467211A (en) | Preparation of composite membrane having selective permeability to gases | |
| JPS6467209A (en) | Composite membrane having selective permeability to gases | |
| JPS5752461A (en) | Microporous membrane for blood plasma carrying-out method and its manufacture | |
| EP0216633A3 (en) | Composite membrane comprising porous hollow fibers and process for producing the same | |
| JPS6467210A (en) | Preparation of composite membrane having selective permeability to gases | |
| EP0264931A3 (en) | A membrane for the separation of blood plasma components | |
| ZA982199B (en) | Container | |
| GB2011828B (en) | Semipermeable membranes | |
| DK42188A (en) | PROCEDURE FOR CULTIVATING ACTIVATED DRAGON CELLS | |
| JPS56152705A (en) | Reinforced permeable membrane | |
| JPS56129007A (en) | Manufacture of composite semipermeable membrane | |
| JPS5624019A (en) | Selective gas parmeable membrane | |
| ES2137112A1 (en) | Process for preparing asymmetric carbon membranes | |
| JPS5338715A (en) | Production of polypropylene porous hollow fiber | |
| EP0439844A3 (en) | Silazane polymers containing sicl groups, process for preparing them, ceramic materials containing silicon nitrite which can be prepared therefrom, and the preparation of these materials | |
| JPS62282619A (en) | Composite membrane for separating gas | |
| Gorichko | Adhesive Properties of Ionomer-Containing Polyurethane--Polyurethane Mutually-Penetrating Polymer Lattices |