SEARCH Articles Figures Tables Graft Copolymerizations Graft copolymerization Graft copolymerization radical Graft copolymerization vinylpyrrolidone Graft radical Grafting copolymerization Grafting of poly Grafting onto Grafting radicals Ontos Poly copolymeric Poly copolymerization Poly graft Poly grafted Poly radical Poly-vinylalcohol Radical copolymerization Vinylpyrrolidone