Synthesis of A(2)B(2) star block copolymers from a heterotetrafunctional initiator
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY（2007）
Abstract
Well-defined A2B2 star block copolymers with two polystyrene or poly(tert-butylmethacrylate) blocks and two poly(ε-caprolactone) blocks were obtained through the use of a new heterotetrafunctional initiator by the coupling of atom transfer radical polymerization and anionic coordinated ring-opening polymerization.
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Key words
atom transfer radical polymerization (ATRP),coordinated anionic polymerization,heterotetrafunctional initiators,miktoarm star block copolymers,ring-opening polymerization,star polymers
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