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Several research groups have expended great effort toward the preparation of miktoarm (mixed-arm) star copolymers and terpolymers. We describe herein a novel synthesis, using anionicpolymerization,ofapoly(cyclohexadiene)[PCHD]-polystyrene [PS]-poly(2-vinylpyridine) [P2VP] miktoarm star terpolymer.
Previously, miktoarm A2B and A3B star polydiene copolymers comprised partially of poly(cyclohexadiene) have been synthesized by Tsoukatos and Hadjichristidis by employing chlorosilane linking techniques. More recently, an ABC star terpolymer of PS, polyisoprene, and PCHD was prepared by Yang and co-workers by using meta-double-diphenylethylene-based linking chemistry.