Benzene, [1-[difluoro[(trifluoroethenyl)oxy]methyl]-1,2,2,2-tetrafluoroethoxy]pentafluoro-, polymer with tetrafluoroethene and trifluoro(trifluoromethoxy)ethene Benzene, 1-[1-[difluoro[(1,2,2-trifluoroethenyl)oxy]methyl]-1,2,2,2-tetrafluoroethoxy]-2,3,4,5,6-pentafluoro-, polymer with 1,1,2,2-tetrafluoroethene and 1,1,2-trifluoro-2-(trifluoromethoxy)ethene Ethene, trifluoro(trifluoromethoxy)-, polymer with pentafluoro[1,2,2-trifluoro-2-[(trifluoroethenyl)oxy]-1-(trifluoromethyl)ethoxy]benzene and tetrafluoroethene Ether, trifluoromethyl trifluorovinyl, polymer with hexafluoro-2-(pentafluorophenoxy)-1-[(trifluorovinyl)oxy]propane and tetrafluoroethylene Ethylene, tetrafluoro-, polymer with hexafluoro-2-(pentafluorophenoxy)-1-[(trifluorovinyl)oxy]propane and trifluoromethyl trifluorovinyl ether Perfluoro(2-phenoxypropylvinyl) ether-perfluoro(methylvinyl)ether-tetrafluoroethylene copolymer Perfluoro(methyl vinyl ether)-perfluoro(2-phenoxypropyl vinyl ether)-tetrafluoroethylene copolymer Perfluoro(methyl vinyl ether)-perfluoro(2-phenoxypropyl vinyl ether)-tetrafluoroethylene polymer Propane, hexafluoro-2-(pentafluorophenoxy)-1-[(trifluorovinyl)oxy]-, polymer with tetrafluoroethylene and trifluoromethyl trifluorovinyl ether Tetrafluoroethylene-perfluoro(methyl vinyl ether)-perfluoro(2-phenoxypropyl vinyl ether)polymer Tetrafluoroethylene-trifluoromethyl trifluorovinyl ether-trifluorovinyl undecafluoro-2-phenoxypropyl ether polymer