Low temperature perfluoroether-containing fluoroelastomers
US5891965A · kind A · utility
21Cited by
29References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 6, 1997 |
| Grant date | Apr 6, 1999 |
| Priority date | — |
| Expiry date | Jan 6, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/0025
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention provides a process of curing a fluorocarbon elastomeric composition comprising: providing a mixture of a saturated elastomeric gum comprising repeating interpolymerized units derived from vinylidene fluoride and a perfluorinated ether of the formula CF.sub.2 .dbd.CF(CF.sub.2).sub.m --O--R.sub..function. wherein m =1-4, R.sub..function. is a perfluorinated aliphatic group optionally containing O atoms, at least one crosslinking agent, and an acid acceptor; shaping the mixture; and curing the resulting shaped article.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.