New fluoroelastomers based on vinylidene fluoride, hexafluoropropene and tetrafluoroethylene
US5175223A · kind A · utility
10Cited by
6References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 7, 1991 |
| Grant date | Dec 29, 1992 |
| Priority date | — |
| Expiry date | Mar 7, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F214/222
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to new fluoroelastomers endowed with a low Tg and a low compression set at low temperature, characterized by the following monomeric composition: ______________________________________ vinylidene fluoride: 60.5-64% by weight hexafluoropropene: 30-33% by weight tetrafluoroethylene: 5-8% by weight. ______________________________________
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.