Fluorinated copolymer composition and metal rubber laminate
US11767410B2 · kind B2 · utility
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Key dates
| Filing date | Mar 19, 2020 |
| Grant date | Sep 26, 2023 |
| Priority date | — |
| Expiry date | Apr 2, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K2201/014
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
To provide a fluorinated copolymer composition capable of forming a crosslinked rubber having favorable rubber properties and excellent metal adhesion, and a metal rubber laminate using the crosslinked rubber.A fluorinated copolymer composition comprising a copolymer having units based on tetrafluoroethylene and units based on propylene, a copolymer having units based on tetrafluoroethylene and units based on a perfluoro(alkyl vinyl ether), or a copolymer having units based on hexafluoropropylene and units based on vinylidene fluoride, hydrophilic silica, and an acid acceptor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.