18893024. FLUORINE-CONTAINING COPOLYMER (DAIKIN INDUSTRIES, LTD.)
FLUORINE-CONTAINING COPOLYMER
Organization Name
Inventor(s)
FLUORINE-CONTAINING COPOLYMER
This abstract first appeared for US patent application 18893024 titled 'FLUORINE-CONTAINING COPOLYMER
Original Abstract Submitted
There is provided a fluorine-containing copolymer comprising tetrafluoroethylene unit, hexafluoropropylene unit and fluoro(alkyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 9.4 to 10.2% by mass with respect to the whole of the monomer units, a content of fluoro(alkyl vinyl ether) unit of 0 to 0.3% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 2.5 to 4.4 g/10 min, and a total number of a carbonyl group-containing terminal group, —CF═CFand —CHOH per 10main-chain carbon atoms of 70 or less.