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学科主题: 高分子化学
题名: Successive SET-LRP and ATRP synthesis of ferrocene-based PPEGMEA-g-PAEFC well-defined amphiphilic graft copolymer
其他题名: 通过温和的原位SET-LRP制备功能化氧化石墨烯及其温敏性纳米复合物
作者: Zhai SJ(翟素娟) ; Shang J(尚婧) ; Yang D(杨东) ; Wang SY(王淞旸) ; Hu JH(胡建华) ; Lu GL(陆国林) ; Huang XY(黄晓宇)
刊名: J. Polym. Sci. Pol. Chem.
发表日期: 2012
卷: 50, 期:4, 页:811-820
收录类别: SCI
部门归属: 中科院上海有机化学研究所; 复旦大学
英文摘要: A series of ferrocene-based well-defined amphiphilic graft copolymers, consisting of hydrophilic poly[poly(ethylene glycol) methyl ether acrylate] (PPEGMEA) backbone and hydrophobic poly(2-acryloyloxyethyl ferrocenecarboxylate) (PAEFC) side chains were synthesized by successive single-electron-transfer living radical polymerization (SET-LRP) and atom transfer radical polymerization (ATRP). The backbone was prepared by SET-LRP of PEGMEA macromonomer, and it was then treated with lithium di-isopropylamide and 2-bromopropionyl bromide at -78 degrees C to give PPEGMEA-Br macroinitiator. The targeted well-defined graft copolymers with narrow molecular weight distributions (M(w)/M(n) <= 1.32) were synthesized via ATRP of AEFC initiated by PPEGMEA-Br macroinitiator, and the molecular weights of the backbone and side chains were both controllable. The electro-chemical behaviors of graft copolymers were studied by cyclic voltammetry, and it was found that graft copolymers were more difficult to be oxidized, and the reversibility of electrode process became less with raising the content of PAEFC segment. The effects of the preparation method, the length of hydrophobic PAEFC segment, and the initial water content on self-assembly behavior of PPEGMEA-g-PAEFC graft copolymers in aqueous media were investigated by transmission electron microscopy. The morphologies of micelles could transform from cylinders to spheres or rods with changing the preparation condition and the length of side chains. (c) 2011 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem50: 811-820, 2012
语种: 英语
相关网址: 查看原文
WOS记录号: WOS:000298838100021
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/28409
Appears in Collections:高分子材料研究室_期刊论文

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Recommended Citation:
Zhai SJ,Shang J,Yang D,et al. Successive SET-LRP and ATRP synthesis of ferrocene-based PPEGMEA-g-PAEFC well-defined amphiphilic graft copolymer[J]. J. Polym. Sci. Pol. Chem.,2012,50(4):811-820.
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