SEARCH Articles Figures Tables Conjugated and Nonconjugated Poly(p-Phenylene Vinylene) Block Copolymers P-Phenylene vinylene P-phenylene PS block PS-poly Poly -p-phenylene vinylene Poly block Poly block copolymers Poly blocking Poly(phenylenes) Poly-phenylene vinylene Poly[p- phenylene Poly[p- phenylenes