Grafting of N-vinyl-2-pyrrolidone onto poly|(trifluoroethoxy)phosphazenel and poly |bis (phenoxy)phosphazenel | films was carried out by direct irradiation at 0.5 Gy/s and 20°C, using different monomer/methanol mixtures. The grafting reaction kinetics was followed. The improvement of biocompatibility produced by grafting N-vinyl-2-pyrrolidone onto the two polyphosphazenes was evaluated by means of “in vivo” tests.
Radiation-induced graft copolymerization of hydrophilic monomers onto polyphosphazenes
CALICETI, PAOLO
1990
Abstract
Grafting of N-vinyl-2-pyrrolidone onto poly|(trifluoroethoxy)phosphazenel and poly |bis (phenoxy)phosphazenel | films was carried out by direct irradiation at 0.5 Gy/s and 20°C, using different monomer/methanol mixtures. The grafting reaction kinetics was followed. The improvement of biocompatibility produced by grafting N-vinyl-2-pyrrolidone onto the two polyphosphazenes was evaluated by means of “in vivo” tests.File in questo prodotto:
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