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US 11,767,410 B2Granted
Fluorinated copolymer composition and metal rubber laminate
AssigneeAGC Inc.
InventorKeisuke Yagi
Life of this patent
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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.
Claims19
A fluorinated copolymer composition, comprising:
- a fluorinated copolymer, which is 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 having a specific surface area of less than 70 m2/g;
- diatomaceous earth;
- and
- an acid acceptor.
2 more elements
Dependencies are inferred from the claim text.