Electrolytic cell having an improved ion exchange membrane and process for operating
US4470889A · kind A · utility
54Cited by
27References
35Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 11, 1980 |
| Grant date | Sep 11, 1984 |
| Priority date | — |
| Expiry date | Jun 11, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2327/18
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An electrolytic cell and a process for electrolysis using the cell are provided. The electrolytic cell is separated into an anode chamber and a cathode chamber by a fluorinated polymer membrane; wherein the membrane comprises: PA1 (a) at least 60 mole percent [CFX--CF.sub.2 ] where X=F or Cl; PA1 (b) an ion exchange equivalent weight of at least 600; PA1 (c) pendant sulfonyl ion exchange groups; and PA1 (d) pendant substantially fluorinated carbon groups which have no ion exchange functionality. These cells are particularly useful for the electrolysis of aqueous, alkali metal halides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.