FLUORINE-CONTAINING COPOLYMER

Organization Name

daikin industries, ltd.

Inventor(s)

Tadaharu Isaka of Osaka-shi (JP)

Yumi Zenke of Osaka-shi (JP)

Yukari Yamamoto of Osaka-shi (JP)

FLUORINE-CONTAINING COPOLYMER

This abstract first appeared for US patent application 20250011501 titled 'FLUORINE-CONTAINING COPOLYMER

Original Abstract Submitted

there is provided 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 10.4 to 11.4% by mass with respect to the whole of the monomer units, a content of perfluoro(propyl vinyl ether) unit of 0.8 to 1.28 by mass with respect to the whole of the monomer units, a melt flow rate at 372� c. of 7.1 to 9.4 g/10 min, and a total number of a carbonyl group-containing terminal group, —cf═cfand —choh per 10main-chain carbon atoms of 90 or less.