Synonyms: Poly(difluoromethylene), .alpha.-chloro-.omega.-(2,2-dichloro-1,1,2-trifluoroethyl)-;ALPHA-CHLORO-OMEGA-(2,2-DICHLORO-1,1,2-TRIFLUOROETHYL)-POLY (DIFLUOROMETHYLENE);Poly(difluoromethylene), α-chloro-ω-(2, 2-dichloro-1,1,2-trifluoroethyl)-;tetrafluoroethylene telomers