Fluoroelastomer, curable composition and cured rubber article
US8785581B2 · kind B2 · utility
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4References
5Claims
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Key dates
| Filing date | Jun 7, 2013 |
| Grant date | Jul 22, 2014 |
| Priority date | — |
| Expiry date | Jun 7, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/0025
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A noncrystalline fluoroelastomer which is a copolymer consisting essentially of vinylidene fluoride and a fluoromonomer represented by the general formula (1):CH2═CFRf (1)wherein Rf is a straight or branched fluoroalkyl group containing 1 to 12 carbon atoms, and has a vinylidene fluoride units/fluoromonomer units mol ratio of 78/22 to 22/78 and a glass transition temperature of not higher than 25° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.