Fluoroelastomer curing process with phosphonium compound
US4912171A · kind A · utility
119Cited by
21References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 17, 1989 |
| Grant date | Mar 27, 1990 |
| Priority date | — |
| Expiry date | Aug 17, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/053
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A fluoroelastomer composition curable in reactive admixture with an acid acceptor that includes an elastomeric gum consisting essentially of vinylidene fluoride, tetrafluoroethylene, and copolymerizable hydrocarbon olefin and a combination of PA1 (A) polyhydroxy compound, and PA1 (B) organo-onium compound, and process of curing the elastomeric copolymer with an admixture of (A) and (B) and an acid acceptor, and the resulting shaped or formed, cured articles are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.