18888421. FLUORINE-CONTAINING COPOLYMER (DAIKIN INDUSTRIES, LTD.)
FLUORINE-CONTAINING COPOLYMER
Organization Name
Inventor(s)
Tadaharu Isaka of Osaka-shi (JP)
Yukari Yamamoto of Osaka-shi (JP)
FLUORINE-CONTAINING COPOLYMER
This abstract first appeared for US patent application 18888421 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.