Patent ID: 6426386
Filing Date: 2002-07-30
Classification: C08L

Abstract:
A melt processible fluoropolymer composition comprising:a) a first copolymer of tetrafluoroethylene and perfluoro(alkyl vinyl ether) wherein the alkyl group of the perfluoro(alkyl vinyl ether) has at least 3 carbons, and b) a second copolymer of tetrafluoroethylene and perfluoro(alkyl vinyl ether) wherein the alkyl group of the perfluoro(alkyl vinyl ether) has 1 and/or 2 carbons, wherein each said first copolymer and said second copolymer has crystalline and amorphous regions, at least the amorphous regions of said first copolymer and second copolymer being miscible with one another as revealed by said composition exhibiting a single &agr;-transition temperature.