Cation exchange membrane of fluorinated polymer containing polytetrafluoroethylene fibrils for electrolysis and preparation thereof
US4218542A · kind A · utility
32Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 24, 1978 |
| Grant date | Aug 19, 1980 |
| Priority date | — |
| Expiry date | May 24, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/3154
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A cation exchange membrane of a fluorinated polymer is formed by incorporating fibrils of polytetrafluoroethylene in a cation exchange resin of a fluorinated polymer having sulfonic acid type ion exchange groups which has high chemical resistances such as chlorine resistance, oxidation resistance and alkaline resistance, in an electrolysis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.