Synthesis of Mesoporous Silicas with a Cationic Surfactant-Anionic Polymer Mixture as Template

被引：4
|
作者：
Zhang Lina [1 ,2 ]
Wang Hao [1 ]
Fan Weibin [1 ]
Wang Jianguo [1 ]
机构：
[1] Chinese Acad Sci, State Key Lab Coal Convers, Inst Coal Chem, Taiyuan 030001, Shanxi, Peoples R China
[2] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
来源：
CHINESE JOURNAL OF CATALYSIS | 2012年 / 33卷 / 01期
关键词：
cationic surfactant; anionic polymer; composite template; ethanol; mesoporous silica; MOLECULAR-SIEVES; STABILITY; SPHERES; SYSTEM;
D O I：
10.1016/S1872-2067(11)60344-6
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Different structural mesoporous silicas have been synthesized at high temperature using the Stober method by utilizing a mixture of cationic cetyltrimethylammonium bromide and anionic water-soluble sodium polyacrylate (NaPAA) as template. The synthetic conditions, which include the amount of ethanol, crystallization temperature, crystallization time, polymer concentration, and molecular weight, have significant influence on the structures and surface morphologies of the synthetic product. This could be attributed to a combined effect of NaPAA and ethanol.
引用
收藏
页码：164 / 173
页数：10
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