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学科主题: 高分子化学
题名: Synthesis of double hydrophilic graft copolymer containing poly(ethylene glycol) and poly(methacrylic acid) side chains via successive ATRP
其他题名: Synthesis of double hydrophilic graft copolymer containing poly(ethylene glycol) and poly(methacrylic acid) side chains via successive ATRP
作者: Gu LN(顾丽娜) ; Shen Z(沈重) ; Feng C(冯纯) ; Li YG(李垚功) ; Lu GL(陆国林) ; Huang XY(黄晓宇)
通讯作者: 黄晓宇
刊名: J. Polym. Sci. Pol. Chem.
发表日期: 2008
卷: 46, 期:12, 页:4056-4069
收录类别: SCI
部门归属: 上海有机化学研究所
英文摘要: A well-defined double hydrophilic graft copolymer, with polyacrylate as backbone, hydrophilic poly(ethylene glycol) and poly(methacrylic acid) as side chains, was synthesized via successive atom transfer radical polymerization followed by the selective hydrolysis of poly(methoxymethyl methacrylate) side chains. The grafting-through strategy was first used to prepare poly[poly(ethylene glycol) methyl ether acrylate] comb copolymer. The obtained comb copolymer was transformed into macroinitiator by reacting with lithium diisopropylamine and 2-bromopropionyl chloride. Afterwards, grafting-from route was employed for the synthesis of poly[poly(ethylene glycol) methyl ether acrylatel-g-poly(methoxymethyl methacrylate) amphiphilic graft copolymer. The molecular weight distribution of this amphiphilic graft copolymer was narrow. Poly(methoxymethyl methacrylate) side chains were connected to polyacrylate backbone through stable C-C bonds instead of ester connections. The final product, poly[poly(ethylene glycol) methyl ether acrylatel-g-poly(methacrylate acid), was obtained by selective hydrolysis of poly(methoxymethyl methaerylate) side chains under mild conditions without affecting the polyacrylate backbone. This double hydrophilic graft copolymer was found be stimuli-responsive to pH and ionic strength. (c) 2008 Wiley Periodicals, Inc.
语种: 英语
相关网址: 查看原文
WOS记录号: WOS:000256643500018
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/24395
Appears in Collections:高分子材料研究室_期刊论文

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Recommended Citation:
Gu LN,Shen Z,Feng C,et al. Synthesis of double hydrophilic graft copolymer containing poly(ethylene glycol) and poly(methacrylic acid) side chains via successive ATRP[J]. J. Polym. Sci. Pol. Chem.,2008,46(12):4056-4069.
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