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US 2023/0399440 A1Published application
Fluorine-containing copolymer
AssigneeDaikin Industries, Ltd.
InventorsTadaharu ISAKA, Yukari Yamamoto, Yumi Zenke
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Abstract
There is provided a fluorine-containing copolymer containing tetrafluoroethylene unit, hexafluoropropylene unit, and perfluoro(propyl vinyl ether) unit, wherein the content of hexafluoropropylene unit is 7.6 to 10.3% by mass with respect to the whole of the monomer units; the content of perfluoro(propyl vinyl ether) unit is 1.3 to 2.4% by mass with respect to the whole of the monomer units; and the melt flow rate at 372° C. is 4.5 to 9.5 g/10 min.
Claims8
A fluorine-containing copolymer, comprising:
- tetrafluoroethylene unit;
- hexafluoropropylene unit;
- and perfluoro(propyl vinyl ether) unit,
- wherein the copolymer has a content of hexafluoropropylene unit of 7.6 to 10.3% by mass with respect to the whole of the monomer units, a content of perfluoro(propyl vinyl ether) unit of 1.4 to 2.4% by mass with respect to the whole of the monomer units, and a melt flow rate at 372° C. of 4.5 to 9.5 g/10 min.
1 more element
Dependencies are inferred from the claim text.