Patent ID: 6927265

Claim:
A composition comprising a fluoropolymer that is melt-processible and thermoplastic and that has a melting point between 100° C. and 320° C., said fluoropolymer having long chain branches and being derived from (a) one or more gaseous fluorinated monomers, (b) one or more modifiers selected from (i) olefins having a bromine or iodine atom bonded to a carbon of the double bond of the olefin, (ii) olefins corresponding to formula (I): X a 2 C═CX a —R f —Br (I) wherein each X a independently represents hydrogen, fluorine, bromine, chlorine or iodine, R f is a perfluoroalkylene group, a perfluorooxyalkylene group or a perfluoropolyether group and (iii) mixtures thereof; and (c) optionally one or more comonomers selected from non-gaseous fluorinated monomers and non-fluorinated monomers.