Method for the preparation of ionomer films
US4731263A · kind A · utility
23Cited by
32References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 26, 1986 |
| Grant date | Mar 15, 1988 |
| Priority date | — |
| Expiry date | Sep 26, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2327/12
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention is a method for forming a perfluorosulfonate ionomer film comprising: PA0 (a) forming a solution of a perfluorosulfonate ionomer in its salt form; PA0 (b) coating a substrate with the perfluorosulfonate ionomer solution; and PA0 (c) heating the coated substrate to a temperature of at least about 120.degree. C. for sufficient time to deposit a solvent-resistant film of a perfluorosulfonate ionomer onto the substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.