The synthesis of MCM-48 with high yields

被引：39
|
作者：
Wang, SG [1 ]
Wu, D [1 ]
Sun, YH [1 ]
Zhong, B [1 ]
机构：
[1] Chinese Acad Sci, State Key Lab Coal Convers, Inst Coal Chem, Taiyuan 030001, Peoples R China
来源：
MATERIALS RESEARCH BULLETIN | 2001年 / 36卷 / 09期
基金：
中国国家自然科学基金;
关键词：
nanostructures; chemical synthesis;
D O I：
10.1016/S0025-5408(01)00645-6
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Using tetraethyl orthosilicate as a silica source and cetyltrimethylammonium bromide as a template, MCM-48 mesoporous molecular sieves were synthesized with hydrothermal methods. Reducing the pH of the solution during synthesis improved the yield of MCM-48 and enhanced its stability. While the pH was adjusted to 5, a high yield of 98% was gained. XRD and N-2 adsorption-desorption isotherms were used to characterize the synthesized samples. These mesoporous molecular sieves showed high specific surface areas and ordered channel systems. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：1717 / 1720
页数：4
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