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Controlled/Living RAFT Polymerization of N-Phenyl Maleimide and Synthesis of Its Block Copolymers

机译:N-苯基马来酰亚胺的可控/活性RAFT聚合及其嵌段共聚物的合成

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摘要

The controlled/living radical polymerization of N-phenyl maleimide (NPMI) was achieved using 2,2'-azobisisobutyronitrile as the initiator and 2-cyanopropyl-2-yl dithiobenzoate as the reversible addition-fragmentation chain transfer agent at 75 degrees C in dichloroethane/ethylene carbonate (60/40, w/w) mixed solvent. The block copolymers of polystyrene-b-polyNPMI and poly(n-butyl methacrylate)-b-polyNPMI were successfully prepared by chain extension from dithiobenzoate-terminated polystyrene and poly (n-butyl methacrylate) to NPMI, respectively. The obtained NPMI-based (co)polymers were characterized by gel permeation chromatography and H-1-NMR spectroscopy.
机译:使用2,2'-偶氮二异丁腈作为引发剂和2-氰基丙基-2-基二硫代苯甲酸酯作为可逆加成-断裂链转移剂,在二氯乙烷中在75摄氏度下实现N-苯基马来酰亚胺(NPMI)的受控/活性自由基聚合。 /碳酸亚乙酯(60/40,w / w)混合溶剂。通过将二硫代苯甲酸酯封端的聚苯乙烯和聚(甲基丙烯酸正丁酯)扩链,分别成功地制备了聚苯乙烯-b-polyNPMI和聚(甲基丙烯酸正丁酯)-b-polyNPMI的嵌段共聚物。通过凝胶渗透色谱和H-1-NMR光谱对获得的基于NPMI的(共)聚合物进行表征。

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