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学科主题: 高分子化学
题名: Construction of PIB-b-PDEAEMA Well-Defined Amphiphilic Diblock Copolymers via Sequential Living Carbocationic and RAFT Polymerization
其他题名: Construction of PIB-b-PDEAEMA Well-Defined Amphiphilic Diblock Copolymers via Sequential Living Carbocationic and RAFT Polymerization
作者: Ren CH(任春虹)1; Jiang X(江雪)1; Lu GL(陆国林)1; Jiang XY(姜秀玉)1; Huang XY(黄晓宇)1
通讯作者: 陆国林 ; 黄晓宇
刊名: J. Polym. Sci. Pol. Chem.
发表日期: 2014
DOI: 10.1002/pola.27142
卷: 52, 期:10, 页:1478-1486
收录类别: SCI
英文摘要: A series of well-defined amphiphilic diblock copolymers consisting of hydrophobic polyisobutylene (PIB) and hydrophilic poly(2-(diethylamino)ethyl methacrylate) (PDEAEMA) segments was synthesized via the combination of living carbocationic polymerization and reversible addition fragmentation chain transfer (RAFT) polymerization. Living carbocationic polymerization of isobutylene followed by end-capping with 1,3-butadiene was first performed at -70 degrees C to give a well-defined allyl-Cl-terminated PIB with a low polydispersity (M-w/M-n =1.29). This end-functionalized PIB was further converted to a macromolecular chain transfer agent for mediating RAFT block copolymerization of 2-(diethylamino)ethyl methacrylate at 60 degrees C in tetrahydrofuran to afford the target well-defined PIB-b-PDEAEMA diblock copolymers with narrow molecular weight distributions (M-w/M-n 1.22). The self-assembly behavior of these amphiphilic diblock copolymers in aqueous media was investigated by fluorescence spectroscopy and transmission electron microscope, and furthermore, their pH-responsive behavior was studied by UV-vis and dynamic light scattering. (c) 2014 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. 2014, 52, 1478-1486
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/331003/38889
Appears in Collections:高分子材料研究室_期刊论文

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作者单位: 1.中科院上海有机化学研究所
2.复旦大学

Recommended Citation:
Ren CH,Jiang X,Lu GL,et al. Construction of PIB-b-PDEAEMA Well-Defined Amphiphilic Diblock Copolymers via Sequential Living Carbocationic and RAFT Polymerization[J]. J. Polym. Sci. Pol. Chem.,2014,52(10):1478-1486.
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