Synthesis of ultrastable ordered mesoporous aluminosilicates molecular sieves with "hard template"

被引：24
|
作者：
Luo, Yongming [1 ,2 ]
Hou, Zhaoyin [1 ]
Li, Rongtao [3 ]
Zheng, Xiaoming [1 ]
机构：
[1] Zhejiang Univ, Dept Chem, Inst Catalysis, Hangzhou 310028, Peoples R China
[2] Kunming Univ Sci & Technol, Fac Environm Sci & Engn, Kunming 650093, Peoples R China
[3] Kunming Univ Sci & Technol, Fac Chem & Bioengn, Kunming 650093, Peoples R China
来源：
MICROPOROUS AND MESOPOROUS MATERIALS | 2008年 / 110卷 / 2-3期
基金：
中国国家自然科学基金;
关键词：
hard template; aluminosilicates molecular sieves; ordered mesoporous materials; multistage recrystallization; hydrothermal stability;
D O I：
10.1016/j.micromeso.2007.06.022
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Ultrastable MSAMS-2 has been synthesized by the use of SBA-15 as "hard template" via twice re-crystallization both within the diluted solution of aluminosilicates sol-gel and glycerol. The ultrastable hydrothermal stability of MSAMS-2 might be ascribed to synergistic effect of the thicker wall, the higher condensation of silanol groups, the insertion of non-framework Al atoms and the formation of zeolites-like five-membered ring subunits within mesoporous framework. (C) 2007 Elsevier Inc. All rights reserved.
引用
收藏
页码：583 / 589
页数：7
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