High-yield synthesis of MCM-48 using mixed surfactants and adjusting pH route

被引：4
|
作者：
Zhai, SR [1 ]
Pu, M [1 ]
Zhang, Y [1 ]
Wu, D [1 ]
Sun, YH [1 ]
机构：
[1] Chinese Acad Sci, Inst Coal Chem, State Key Lab Coal Convers, Taiyuan 030001, Peoples R China
来源：
ACTA PHYSICO-CHIMICA SINICA | 2003年 / 19卷 / 02期
关键词：
MCM-48 molecular sieve; yields; mixed surfactants;
D O I：
10.3866/PKU.WHXB20030216
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：
Using mixed surfactants cetyltrimethylammonium bromide (CTAB) and Triton X-100 (TX-100) as co-template and tetraethylorthosilicate (TEOS) as silica source, MCM-48 molecular sieves were hydrothermally prepared. The yields of MCM-48 molecular sieves could be considerably increased by adjusting pH of the solutions which had been statically crystallized for three days, at the same time the utilizing efficiency of the mixed surfactants was much higher than that of only CTAB as template.
引用
收藏
页码：167 / 170
页数：4
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