Sintesis dan karakterisasi kopolimer ph-sensitif poli(n-vinil pirolidon)-blok-poli(n-hidroksimetil akrilamida) dengan metode atom transfer radical polymerization = Synthesis and characterization of ph-sensitive copolymer poly(n-vinyl pyrrolidone)-block-poly(n-hydroxymethyl acrylamide) using atom transfer radical polymerization.