18888452. FLUORINE-CONTAINING COPOLYMER (DAIKIN INDUSTRIES, LTD.)
FLUORINE-CONTAINING COPOLYMER
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FLUORINE-CONTAINING COPOLYMER
This abstract first appeared for US patent application 18888452 titled 'FLUORINE-CONTAINING COPOLYMER
Original Abstract Submitted
There is provided a fluorine-containing copolymer comprising tetrafluoroethylene unit, hexafluoropropylene unit and a fluoro (alkyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 11.5 to 12.5% by mass with respect to the whole of the monomer units, a content of the fluoro (alkyl vinyl ether) unit of 0 to 0.4% by mass with respect to the whole of the monomer units, a melt flow rate at 372° C. of 8.0 to 10.0 g/10 min, and a total number of —CFH, a carbonyl group-containing terminal group, —CF—CFand —CHOH per 10main-chain carbon atoms of 90 or less.