Curable compositions of fluoroelastomers containing bromine
US5656697A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 2, 1996 |
| Grant date | Aug 12, 1997 |
| Priority date | — |
| Expiry date | Aug 2, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/57
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Peroxide-curable fluoroelastomeric compositions, consisting of a fluoroelastomer containing bromine, an organic peroxide and a metal-organic hydride having the formula: ##STR1## wherein M is selected from Sn, Si, Ge, Pb; x is an integer from 1 to 3; y, z are zero or integers from 1 to 3, with the proviso y+z=4-x; w is an integer from 1 to 3; the R groups, equal to or different from each other, are selected from: alkyls C.sub.1 -C.sub.4, aryls C.sub.6 -C.sub.12, arylalkyls and alkylaryls C.sub.7 -C.sub.14, optionally containing nitrile and/or hydroxyl groups. The hydride addition allows to increase the curing rate, obtaining at the same time a high crosslinking degree.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.