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学科主题: 高分子化学
题名: Synthesis of Well-Defined pH-Responsive PPEGMEA-g-P2VP Double Hydrophilic Graft Copolymer via Sequential SET-LRP and ATRP
其他题名: 通过SET-LRP和ATRP合成结构规整的具有pH响应性的PPEGMEA-g-P2VP双亲水接枝共聚物
作者: Zhai SJ(翟素娟) ; Song XM(宋学梅) ; Yang D(杨东) ; Chen WL(陈武炼) ; Hu JH(胡建华) ; Lu GL(陆国林) ; Huang XY(黄晓宇)
通讯作者: 胡建华 ; 黄晓宇
刊名: J. Polym. Sci. Pol. Chem.
发表日期: 2011
卷: 49, 期:18, 页:4055-4064
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 well-defined double hydrophilic graft copolymers containing poly(poly(ethylene glycol) methyl ether acrylate) (PPEGMEA) backbone and poly(2-vinylpyridine) (P2VP) side chains were synthesized by successive single electron transfer living radical polymerization (SET-LRP) and atom transfer radical polymerization (ATRP). The backbone was first prepared by SET-LRP of poly(ethylene glycol) methyl ether acrylate (PEGMEA) macromonomer using CuBr/tris(2-(dimethylamino) ethyl) amine as catalytic system. The obtained homopolymer then reacted with lithium diisopropylamide and 2-chloropropionyl chloride at -78 degrees C to afford PPEGMEA-Cl macroinitiator. poly(poly(ethylene glycol) methyl ether acrylate)-g-poly(2-vinylpyridine) double hydrophilic graft copolymers were finally synthesized by. ATRP of 2-vinylpyridine initiated by PPEGMEA-Cl macroinitiator at 25 degrees C using CuCl/hexamethyldiethylenetriamine as catalytic system via the grafting- from strategy. The molecular weights of both the backbone and the side chains were controllable and the molecular weight distributions kept relatively narrow (M(w)/M(n) <= 1.40). pH-Responsive micellization behavior was investigated by (1)H NMR, dynamic light scattering, and transmission electron microscopy and this kind of double hydrophilic graft copolymer aggregated to form micelles with P2VP-core while pH of the aqueous solution was above 5.0. (C) 2011 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 49: 4055-4064, 2011
语种: 英语
相关网址: 查看原文
WOS记录号: WOS:000294818600019
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/24443
Appears in Collections:高分子材料研究室_期刊论文

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Recommended Citation:
Zhai SJ,Song XM,Yang D,et al. Synthesis of Well-Defined pH-Responsive PPEGMEA-g-P2VP Double Hydrophilic Graft Copolymer via Sequential SET-LRP and ATRP[J]. J. Polym. Sci. Pol. Chem.,2011,49(18):4055-4064.
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