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Living free radical donor-acceptor copolymerization of styrene and N-cyclohexylmaleimide and the synthesis of poly[styrene-co-(N-cyclohexylmaleimide)]/polystyrene block copolymers
Authors:Gudrun Schmidt-Naake  Sren Butz
Abstract:Styrene/N-cyclohexylmaleimide copolymers with small polydispersities and controlled molecular weights were synthesized by a free radical copolymerization using an iniferter system consisting of benzoyl peroxide and 2,2,6,6-tetramethylpiperidine-N-oxyl. Due to the interactions of the electropositive (styrene) and electronegative (N-cyclohexylmaleimide) monomers the brutto polymerization rates are higher than for other living polymerizations initiated with the same iniferter system. The prepared copolymers were used as macroiniferters for bulk polymerization of styrene.
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