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题名: Morphological Evolution of Self-Assembled Structures Induced by the Molecular Architecture of Supra-Amphiphiles
作者: Wang, Juan1, 4; Li, Boxuan2; Wang, Xing1; Yang, Fei1, 3; Shen, Hong1; Wu, Decheng1, 3
刊名: LANGMUIR
发表日期: 2016-12-27
卷: 32, 期:51, 页:13706-13715
收录类别: SCI
英文摘要: A series of telechelic supramolecular amphiphiles [POSS-Azo(8)@(beta-CD- PDMAEMA)(1 -> 8)] was accomplished by orthogonally coupling the multiarm host polymer beta-cydodextrin poly(dimethylaminoethyl methacrylate) (beta-CD PDMAEMA) with an octatelechelic guest molecule azobenzene modified-polyhedral oligomeric silsesquioxanes (POSS Azo(8)) under different host guest ratios. These telechelic supramolecular amphiphiles possess a rigid core and flexible corona. Increasing the multiarm host polymer coupled onto the rigid POSS core made the molecular architecture tend to be symmetrical and spherical. POSS Azo(8)@[beta-CD PDMAEMA](1 -> 8) could self-assemble into diverse morphologies evolving from spherical micelles, wormlike micelles, and branched aggregates to bowl-shaped vesicles. Distinct from the traditional linear amphiphilic polymers, we discovered that the self-assembly of POSS-Azo(8)@[beta-CD- PDMAEMA](1 -> 8) was dominantly regulated by their molecular architectures instead of hydrophilicity, which has also been verified using computer simulation results.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/36321
Appears in Collections:高分子物理与化学实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, State Key Lab Polymer Phys & Chem, Inst Chem, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, Key Lab Photochem, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Virginia Commonwealth Univ, Dept Chem & Life Sci Engn, Richmond, VA 23219 USA
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