chlortrifluorethylen / perfluor (alkylvinylether) copolymer

摘要

A copolymer comprising chlorotrifluoroethylene and 0.01 to 1 % by mole of perfluoro(alkyl vinyl ether) of the formula: Rf-O-CF=CF2 (I) wherein Rf is a C3-C6 perfluoroalkyl group, and having a melt flow rate of 0.01 to 200 x 10-3 cc/sec., which has good methanical strength and sufficiently high melting point.