Synthesis of Poly(styrene-b-isoprene-b-styrene)viaNitroxide-mediated Radical Polymerization by a Novel Alkoxyamine  

作　　者：GAO Long-cheng PAN Qi-wei FAN Xing-he CHEN Xiao-fang WAN Xin-hua ZHOU Qi-feng 

机构地区：[1]College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, P. R. China [2]Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Bering 100871, P. R. China

出　　处：《Chemical Research in Chinese Universities》2005年第5期615-618,共4页高等学校化学研究（英文版）

基　　金：Supported by the National Natural Science Foundation of China(No. 20134010) ;the Science Research Fund of the Minis-try of Education of P. R. China(No. 104005).

摘　　要：Bifunctional alkoxyamine bis-TIPNO derived from 2,2,5-trimethyl-4-phenyl-3-azahexane-3-oxyl （TIPNO） and α, ω-alkyl bromide by atom transfer radical addition（ATRA） was employed as “biradical initiator” for nitroxide-mediated radical polymerization（NMRP） of isoprene and styrene. The kinetics study for the polymerization of styrene at different time showed living features. The poly（styrene-b-isoprene-b-styrene） （SIS） copolymers have two glass transition temperatures, indicating the immiscibility of the corresponding blocks.Bifunctional alkoxyamine bis-TIPNO derived from 2,2,5-trimethyl-4-phenyl-3-azahexane-3-oxyl （TIPNO） and α, ω-alkyl bromide by atom transfer radical addition（ATRA） was employed as “biradical initiator” for nitroxide-mediated radical polymerization（NMRP） of isoprene and styrene. The kinetics study for the polymerization of styrene at different time showed living features. The poly（styrene-b-isoprene-b-styrene） （SIS） copolymers have two glass transition temperatures, indicating the immiscibility of the corresponding blocks.

关 键 词：Radical polymerization Block copolymer NITROXIDE ISOPRENE 

分 类 号：O632.13[理学—高分子化学]