A facile method for the fabrication of vinyl functionalized hollow silica spheres

被引：42
|
作者：
Pu, Hongting [1 ]
Zhang, Xiong [1 ]
Yuan, Junjie [1 ]
Yang, Zhenglong [1 ]
机构：
[1] Tongji Univ, Inst Funct Polymers, Sch Mat Sci & Engn, Shanghai 200092, Peoples R China
来源：
JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2009年 / 331卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Vinyl functionalized hollow silica sphere; Porous; SOL-GEL; NANOPARTICLES; NANOSPHERES; IMMOBILIZATION; ADSORPTION; RELEASE;
D O I：
10.1016/j.jcis.2008.11.037
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this paper, we adopt a facile method to prepare vinyl functionalized hollow silica spheres. Vinyl functionalized silica shells were coated on positively charged polystyrene particles by hydrolysis and condensation of vinyltriethoxysilane (VTES), the polystyrene cores were dissolved Subsequently in the same medium to form monodispersed Vinyl functionalized hollow silica spheres. Neither additional dissolving nor a calcination process is necessary to remove the polystyrene cores. Transmission electron microscopy (TEM), FT-IR analysis, TGA and porosity measurements were used to characterize the monodispersed vinyl functionalized hollow silica spheres. (C) 2008 Elsevier Inc. All rights reserved.
引用
收藏
页码：389 / 393
页数：5
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