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US 2020/0369867 A1Published application
Curable fluoroelastomer composition
Assignee3M Innovative Properties Company
InventorsJiyoung Park, Tatsuo Fukushi, Miguel A. Guerra, Chetan P. Jariwala, Klaus Hintzer
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Abstract
A curable composition comprising a fluorinated amorphous fluoropolymer, and fluorinated polyol crosslinking agent of the Rf—[(CH2)y—OH]x, where Rf represents a perfluoroalkylene group of valence x, subscript y is 1 or 2; and subscript x is 2 to 4.
Claims17
A curable composition comprising:
- a partially fluorinated amorphous fluoropolymer,
- optionally an organo-onium accelerator
- an acid acceptor;
- and
- a curing agent of the fluorinated polyol curing agent the formula
- Rf—[(CH2)y—O—(CH2—CH(OH)—CH2—O)zH]x,
- where
- Rf represents a perfluorinated groups including a perfluoroalkylene group or a perfluoroether group of valence x,
- subscript y is 1 to 8;
- subscript x is 2 to 4′
- z is 0 or 1.
8 more elements
Dependencies are inferred from the claim text.