The PdII complexes [PO] Pd (Me)(py)(1a-c;[PO]= 2-PAr2-4-Me-benzenesulfonate); Ar= 2-Et- Ph (a), 2-OMe-Ph (b), Ph (c)) catalyze the copolymerization of ethylene and vinyl fluoride in toluene at 80° C to produce fluorinated polyethylene. Low levels (0.1-0.5 mol%) of vinyl ...