Patent ID: 9175113
Filing Date: 2015-11-03
Classification: C08F,C09D

Abstract:
1. A perfluorinated tetrafluoroethylene copolymer comprising repeating units derived from tetrafluoroethylene (TFE) and having a melting point of at least 317° C., a melt flow index (MFI) at 372° C. and a 5 kg load (MFI 372/5) of from about 0.60 g/10 min up to about 15 g/10 min, wherein the copolymer contains up to 1.4% by weight of comonomers other than TFE and wherein the copolymer comprises from 0.12 to 1.40% by weight, based on the total weight of the copolymer, of units derived from one or more perfluorinated alkyl allyl ether wherein the alkyl group of the perfluorinated alkyl allyl ether is interrupted by at least one oxygen atom.