Fluorated ionic polymer, method for its preparation and membranes
US4981932A · kind A · utility
15Cited by
6References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 14, 1988 |
| Grant date | Jan 1, 1991 |
| Priority date | — |
| Expiry date | Mar 14, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F8/44
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention pertains to a perfluorated ionic polymer. This polymer is prepared starting with polymers presenting carboxylic groupings, these groupings being transformed in reactive entities which are later eliminated. These membranes are particularly suitable for electrolysis of alkalin halogens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.