Fluorinated compound, fluoropolymer and process for its production
US6858692B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 11, 2003 |
| Grant date | Feb 22, 2005 |
| Priority date | — |
| Expiry date | Aug 11, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F36/20
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A fluoropolymer having repeating units formed by cyclopolymerization of a functional group-containing fluorinated diene represented by the following formula:CF2═CR1-Q-CR2═CH2 (1)wherein each of R1 and R2 which are independent of each other, is a hydrogen atom, a fluorine atom, an alkyl group having at most 3 carbon atoms, or a fluoroalkyl group having at most 3 carbon atoms, and Q is a bivalent organic group having a functional group bonded thereto, and a production method which comprises subjecting the above diene to radical polymerization. The polymer has a high Tg and a functional group concentration sufficient to exhibit the characteristics thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.