Pier Antonio Guarda

Free-radical and ion chemistry of fluoro derivatives : the mechanism of γ-radiolysis of perfluoropolypropene and perfluoropolytrimethylene oxides

Abstract The radiation chemistry of perfluoropolypropene and perfluoropolytrimethylene oxides has been investigated by ESR spectroscopy of the intermediate free radicals and by NMR spectroscopic detection of the major changes occurring in the structure of the oligomers. The major radiolytic products have been related to CC and CO bond scissions and to a minor participation of CF bond cleavage. The results have been rationalized in terms of ionic and free-radical reactions stemming from the formation of primary ether cation-radicals.