Process for producing elastic fluorocopolymer and crosslinked fluororubber
US7544753B2 · kind B2 · utility
2Cited by
2References
17Claims
0Family size
Assignee
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Key dates
| Filing date | Jan 3, 2007 |
| Grant date | Jun 9, 2009 |
| Priority date | — |
| Expiry date | Mar 12, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F214/267
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for producing an elastic fluorocopolymer, by emulsion-polymerizing at least one fluoromonomer (a), a vinyl ester monomer (b) represented by the formula CR1R2═CR3COOCH═CH2 optionally, at least one hydrocarbon monomer (c) selected from the group consisting of ethylene, propylene and a vinyl ether, in an aqueous medium to produce an elastic fluorocopolymer latex, adjusting the pH of the elastic fluorocopolymer latex to from 1 to 9, and coagulating the elastic fluorocopolymer latex to isolate an elastic fluorocopolymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.