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学科主题: 高分子化学
题名: Well-Defined Amphiphilic Graft Copolymer Consisting of Hydrophilic Poly(acrylic acid) Backbone and Hydrophobic Poly(vinyl acetate) Side Chains
其他题名: 含有亲水性聚丙烯酸主链和疏水性聚醋酸乙烯酯侧链的结构规整的两亲性接枝共聚物
作者: Li YG(李垚功) ; Zhang YQ(张亚琴) ; Yang D(杨东) ; Feng C(冯纯) ; Zhai SJ(翟素娟) ; 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: 2009
卷: 47, 期:22, 页:6032-6043
收录类别: SCI
部门归属: 上海有机所; 复旦大学
英文摘要: A series of well-defined amphiphilic graft copolymers containing hydrophilic poly(acrylic acid) (PAA) backbone and hydrophobic poly(vinyl acetate) (PVAc) side chains were synthesized via sequential reversible addition-fragmentation chain transfer (RAFT) polymerization followed by selective hydrolysis of poly(tert-butyl acrylate) backbone. A new Br-containing acrylate monomer, tert-butyl 2-((2-bromopropanoyloxy)methyl) acrylate, was first prepared, which can be polymerized via RAFT in a controlled way to obtain a well-defined homopolymer with narrow molecular weight distribution (M-w/M-n = 1.08). This homopolymer was transformed into xan-thate-functionalized macromolecular chain transfer agent by reacting with o-ethyl xanthic acid potassium salt. Grafting-from strategy was employed to synthesize PtBA-g-PVAc well-defined graft copolymers with narrow molecular weight distributions (M-w/M-n, < 1.40) via RAFT of vinyl acetate using macromolecular chain transfer agent. The final PAA-g-PVAc amphiphilic graft copolymers were obtained by selective acidic hydrolysis of PtBA backbone in acidic environment without affecting the side chains. The critical micelle concentrations in aqueous media were determined by fluorescence probe technique. The micelle morphologies were found to be spheres. (C) 2009 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 47: 6032-6043, 2009
语种: 英语
相关网址: 查看原文
WOS记录号: WOS:000271670000010
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/24397
Appears in Collections:高分子材料研究室_期刊论文

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Recommended Citation:
Li YG,Zhang YQ,Yang D,et al. Well-Defined Amphiphilic Graft Copolymer Consisting of Hydrophilic Poly(acrylic acid) Backbone and Hydrophobic Poly(vinyl acetate) Side Chains[J]. J. Polym. Sci. Pol. Chem.,2009,47(22):6032-6043.
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