Synthesis conditions and properties of Ti-MCM-41

被引：0
|
作者：
Guzman-Castillo, M. L. [1 ]
Armendariz-Herrera, H. [1 ]
Hernandez-Beltran, F. [1 ]
Perez-Romo, P. [1 ]
Navarrete-Bolanos, J. [1 ]
Tobon-Cervantes, A. [1 ]
Fripiat, J. [1 ]
机构：
[1] Inst Mexicano Petr, Mexico City 07730, DF, Mexico
来源：
ZEOLITES AND RELATED MATERIALS: TRENDS, TARGETS AND CHALLENGES, PROCEEDINGS OF THE 4TH INTERNATIONAL FEZA CONFERENCE | 2008年 / 174卷
关键词：
Synthesis; Ti-MCM-41; Titano-silicates sulfate; hexagonal structure;
D O I：
暂无
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A series of mesoporous Ti-MCM-41 materials was prepared at hydrothermal conditions (HT) as well as room temperature (RT). A constant Si/Ti ratio (26.1) in the initial gel and varying amounts of ammonium sulfate (SO(4)/Si = 0, 0.01, 0.1, 0.3, 0.5) were used. For solids prepared at SO(4)/Si below 0.3 their XRD spectra showed the pattern of a MCM-41 hexagonal array. The structural order decreased as the amount of sulfate increased. In materials prepared at RT higher sulfate concentrations favored the insertion of Ti and the wall thickness while the surface area decreased.
引用
收藏
页码：397 / 400
页数：4
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