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US 2022/0033673 A1Published application
Copolymers of perfluorocycloaliphatic methyl vinyl ether
Assignee3M Innovative Properties Company
InventorsMiguel A. Guerra, Tatsuo Fukushi, Bradford L. Ryland
Life of this patent
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Abstract
Described herein is a perfluoropolymer and compositions therefrom. The perfluoropolymer is derived from: (a) no more than 88 mol % tetrafluoroethylene monomer; and (b) a complementary amount of a perfluoro (cycloaliphatic methyl vinyl ether) monomer, and has substantially no melting point.
Claims20
A perfluoropolymer, wherein the perfluoropolymer is derived from at least:
- (a) no more than 88 mol % tetrafluoroethylene monomer;
- and
- (b) a complementary amount of a monomer according to Formula I Rf—CF2—[OCF(CF3)CF2]nO—CF═CF2
- wherein Rf is a perfluorinated group comprising 6 carbon atoms and 11 fluorine atoms and a cycloaliphatic group, and n is 0, 1, or 2;
- and
- wherein the perfluoropolymer has substantially no melting point.
3 more elements
A fluoropolymer comprising at least one interpolymerized monomeric unit of
- and combinations thereof.
Dependencies are inferred from the claim text.