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具有预期结构的苯乙烯与丙烯酸丁酯接枝共聚物的合成与表征
引用本文:刘兵,胡春圃.具有预期结构的苯乙烯与丙烯酸丁酯接枝共聚物的合成与表征[J].高分子学报,2002(1):47-52.
作者姓名:刘兵  胡春圃
作者单位:华东理工大学材料科学与工程研究所,上海,200237
基金项目:国家自然科学重点基金资助项目 (基金号 2 96 340 10 2 )
摘    要:通过苯乙烯 (St)与 4 对氯甲基苯乙烯 (CMS)进行氮氧稳定自由基共聚合反应 ,合成了二元共聚物P(St co CMS) ,并以此共聚物引发丙烯酸丁酯进行原子转移自由基聚合 ,成功地合成了结构明晰的以聚苯乙烯为主链、聚丙烯酸丁酯为支链的接枝共聚物 ,研究了共聚合反应动力学 .P(St co CMS)和接枝共聚物的结构通过1 H NMR得到确认 ,并表征了接枝共聚物平均侧链数目和平均侧链长度

关 键 词:氮氧稳定自由基聚合  原子转移自由基聚合  接枝共聚物  苯乙烯  4对氯甲基苯乙烯  丙烯酸丁酯
修稿时间:2001年3月23日

SYNTHESIS AND CHARACTERIZATION OF WELL-DEFINED GRAFT COPOLYMER OF STYRENE AND n-BUTYL ACRYLATE
LIU Bing,HU Chunpu.SYNTHESIS AND CHARACTERIZATION OF WELL-DEFINED GRAFT COPOLYMER OF STYRENE AND n-BUTYL ACRYLATE[J].Acta Polymerica Sinica,2002(1):47-52.
Authors:LIU Bing  HU Chunpu
Abstract:A well defined graft copolymer of styrene(St) and n butyl acrylate(BA) was synthesized by atom transfer radical polymerization(ATRP) with the copolymer of styrene and chloromethyl stryrene as macroinitiator,which was first synthesized by the nitroxide mediated copolymerization of St and 4 chloromethyl styrene (CMS) at 130℃ with benzoyl peroxide/4 hydro TEMPO as initiator.The kinetics of the two kinds of “living”/controlled polymerization were also studied.These copolymers, i.e. P(St co \|CMS) and P(St g BA),were characterized by means of GPC,DSC and 1H NMR,respectively.The average graft number and length of side chains for such a kind of graft copolymer were defermined.
Keywords:Graft copolymer  Atom transfer radical polymerization  Nitroxide  mediated polymerization  Styrene  4  Chloromethyl styrene    n    Butyl acrylate
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