Supported ion exchange membrane films
US4650551A · kind A · utility
28Cited by
45References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 31, 1985 |
| Grant date | Mar 17, 1987 |
| Priority date | — |
| Expiry date | May 31, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention is a method for forming a supported membrane film comprising: PA0 (a) at least partially coating a polytetrafluoroethylene fabric with a sizing composition; PA0 (b) contacting the coated polytetrafluoroethylene fabric with a membrane film having sites convertible to ion exchange groups; and PA0 (c) heating the polytetrafluoroethylene fabric and the membrane film while maintaining the fabric and the film in contact.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.