SEARCH Articles Figures Tables Block copolymer of polystyrene and poly Block polystyrene Poly -polystyrene Poly block Poly blocking Poly polystyrene block copolymer Polystyrene-block-poly(methyl Polystyrene/poly-4-vinylpyridine block polymer Quatemized polystyrene-block-poly Sulfonated polystyrene-block-poly Sulfonated polystyrene-block-poly copolymers