| 静电组装法在纳米SiO_2表面构筑高分子刷的合成与表征(英文) |
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| 引用本文： | 史博,章永化,石耀刚,王建华.静电组装法在纳米SiO_2表面构筑高分子刷的合成与表征(英文)[J].材料科学与工程学报,2008,26(6):847-851. |
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| 作者姓名： | 史博 章永化 石耀刚 王建华 |
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| 作者单位： | [1]华南理工大学高分子系,广东广州510640 [2]中国工程物理研究院,四川绵阳621900 |
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| 基金项目： | Supported by the National science foundation of China(10676009) |
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| 摘 要： | 本文采用静电自组装技术在表面阳离子化的SiO2粒子（SiO2-CBAFS）上构筑了高分子刷，并采用核磁、红外、热失重、接触角和原子力显微镜分别表征了组装粉体的结构、组装量以及自组装单层膜的组装行为和表面拓扑形貌。研究结果表明，采用静电自组装技术可以成功地在SiO2-CBAFS上构筑组装量高达27％的高分子刷，远远高于国际上已见报道的采用共价键合法构筑的高分子刷的组装量（20％）。研究发现，组装量随聚合物（PS-NH—SO3Na）分子量呈非线性增长，其组装行为受到PS-NH—SO3Na的分子量和溶液浓度的影响。
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| 关 键 词： | 高分子刷 静电组装 端功能化聚苯乙烯 二氧化硅 |
Synthesis and Characterization of Polymer Brushes on Silica Nanoparticles by Electrostatic Assembly |
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| SHI Bo,ZHANG Yong-hua,SHI Yao-gang,WANG Jian-hua.Synthesis and Characterization of Polymer Brushes on Silica Nanoparticles by Electrostatic Assembly[J].Journal of Materials Science and Engineering,2008,26(6):847-851. |
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| Authors: | SHI Bo ZHANG Yong-hua SHI Yao-gang WANG Jian-hua |
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| Affiliation: | SHI Bo~1,ZHANG Yong-hua~1,SHI Yao-gang~2,WANG Jian-hua~2(1.Department of Polymer Science,South of China University of Technology,Guangzhou 510640,China,2.China Academy of Engineering Physics,Mianyang 621900,China) |
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| Abstract: | Polystyrene brushes were constructed on cationically functionallized silica nanoparticles(SiO_2-CBAFS) by electrostatic assembly.The structures,assembly amount,self-assembly behavior and topography of the obtained powders(SiO_2-CBAFS/PS-NH-SO_3Na) and self-assembly monolayer(Si/SiO_2-CBAFS/PS-NH-SO_3Na) were characterized by ~1HNMR,IR,TGA,contact angles and AFM,respectively.The results show that the polymer(PS-NH-SO_3Na) can be constructed on SiO_2CBAFS nanoparticles;the weight loss of assembled PS-NH-SO_3N... |
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| Keywords: | polymer brushes electrostatic-assembly end-functionalized polystyrene silica nanoparticles |
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