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学科主题: 高分子化学
题名: PAA-g-PPO Amphiphilic Graft Copolymer: Synthesis and Diverse Micellar Morphologies
其他题名: PAA-g-PPO两亲性接枝共聚物:合成及丰富多样的胶束形态
作者: Li YG(李垚功) ; Zhang YQ(张亚琴) ; Yang D(杨东) ; Li YJ(李永军) ; Hu JH(胡建华) ; Feng C(冯纯) ; Zhai SJ(翟素娟) ; Lu GL(陆国林) ; Huang XY(黄晓宇)
通讯作者: 胡建华 ; 黄晓宇
刊名: Macromolecules
发表日期: 2010
卷: 43, 期:1, 页:262-270
收录类别: SCI
部门归属: 中国科学院上海有机化学研究所; 复旦大学
英文摘要: A series of well-defined amphiphilic graft copolymers consisting of hydrophilic poly(acrylic acid) backbone and hydrophobic poly(propylene oxide) side chains were synthesized by sequential reversible addition-fragmentation chain transfer (RAFT) polymerization and atom transfer nitroxide radical coupling (ATNRC) chemistry 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, and it call be polymerized via RAFT in a controlled way to obtain a well-defined homopolymer with narrow molecular weight distribution (M-w/M-n = 1.06). Grafting-onto strategy was employed to synthesize PtBA-g-PPO well-defined graft copolymers with narrow molecular weight distributions (M-w/M-n = 1.05-1.23) via ATNRC reaction between Br-containing PtBA-based backbone and poly(propylene oxide) with 2,2,6, 6-tetramethylpiperidine-1-oxyl (TEMPO) end group using CuBr/PMDETA or Cu/PMDETA as catalytic system, The final PAA-g-PPO amphiphilic graft copolymers were obtained by the selective acidic hydrolysis of PtBA backbone in acidic environment without affecting the side chains. The critical micelle concentrations in aqueous media were determined by a fluorescence probe technique. Diverse micellar morphologies were formed with varying the content of hydrophobic PPO segment.
语种: 英语
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WOS记录号: WOS:000273268700037
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/24431
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. PAA-g-PPO Amphiphilic Graft Copolymer: Synthesis and Diverse Micellar Morphologies[J]. Macromolecules,2010,43(1):262-270.
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