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学科主题: 高分子化学
题名: Synthesis of amphiphilic ABA triblock copolymer bearing PIB and perfluorocyclobutyl aryl ether-containing segments via sequential living carbocationic polymerization and ATRP
其他题名: Synthesis of amphiphilic ABA triblock copolymer bearing PIB and perfluorocyclobutyl aryl ether-containing segments via sequential living carbocationic polymerization and ATRP
作者: Yao WQ(姚文强); Li YJ(李永军); Feng C(冯纯); Lu GL(陆国林); Huang XY(黄晓宇)
通讯作者: 冯纯 ; 黄晓宇
刊名: Polym. Chem.
发表日期: 2014
DOI: 10.1039/c4py00851k
卷: 5, 期:21, 页:6334-6343
收录类别: SCI
英文摘要: A series of amphiphilic ABA triblock copolymers containing polyisobutylene (PIB) and poly(p-(2-(4-biphenyl)perfluorocyclobutoxy)phenyl methacrylate) (PBPFCBPMA) segments was synthesized via sequential living carbocationic polymerization and atom transfer radical polymerization (ATRP). Living carbocationic polymerization of isobutylene was initially performed at -78 degrees C in n-hexane-CH3Cl followed by end-capping with 1,3-butadiene to provide a well-defined diallyl-Cl-terminated PIB with a narrow molecular weight distribution (M-w/M-n = 1.26). The PIB functionalized at both ends was further transformed into Br-PIB-Br, an ATRP macroinitiator bearing one ATRP initiating group at each end. The target triblock copolymers of PBPFCBPMA-b-PIB-b-PBPFCBPMA with a relatively narrow molecular weight distribution (M-w/M-n <= 1.42) were obtained via ATRP of BPFCBPMA at 70 degrees C in tetrahydrofuran initiated by Br-PIB-Br. The self-assembly behavior of these triblock copolymers in n-hexane, acetone, and 1,1,1-trifluoroacetone was investigated by transmission electron microscopy. It was found that large spherical compound micelles with PIB blocks as coronas were formed in n-hexane, whereas large compound micelles with fluorine-containing PBPFCBPMA blocks as coronas were formed in acetone and 1,1,1-trifluoroacetone.
语种: 英语
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/38907
Appears in Collections:高分子材料研究室_期刊论文

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Recommended Citation:
Yao WQ,Li YJ,Feng C,et al. Synthesis of amphiphilic ABA triblock copolymer bearing PIB and perfluorocyclobutyl aryl ether-containing segments via sequential living carbocationic polymerization and ATRP[J]. Polym. Chem.,2014,5(21):6334-6343.
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