Effect of Template Structure and Synthesis Conditions on the Adsorption and Acid Properties of Hierarchical Titanosilicate MTW Zeolites

被引：11
|
作者：
Kurmach, M. M. [1 ]
Yaremov, P. S. [1 ]
Tsyrina, V. V. [1 ]
Skoryk, M. O. [2 ,3 ]
Shvets, O. V. [1 ]
机构：
[1] Natl Acad Sci Ukraine, LV Pisarzhevskii Inst Phys Chem, UA-03028 Kiev, Ukraine
[2] NanoMedTech, UA-03150 Kiev, Ukraine
[3] Natl Acad Sci Ukraine, GV Kurdyumov Inst Met Phys, UA-03680 Kiev, Ukraine
来源：
THEORETICAL AND EXPERIMENTAL CHEMISTRY | 2015年 / 51卷 / 04期
关键词：
hierarchical zeolites; Gemini surfactants; titanosilicates; nanoneedles; nanoparticles; MESOPOROUS MOLECULAR-SIEVES; CATALYTIC-PROPERTIES; HYDROGEN-PEROXIDE; MFI; EPOXIDATION; TS-1; BETA; NANOSHEETS; SYSTEM;
D O I：
10.1007/s11237-015-9419-5
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The type and morphology of titanosilicate hierarchical zeolites are a function of the structure of polyammonium surfactants used as structure-directing agents (SDA) and the composition of the reaction mixture. Depending on the SDA structure, nanoneedles or nanoparticles of these MTW zeolites aggregate to give nanosponges with external surface up to 200 m(2)/g and mesopore volume up to 0.4 cm(3)/g. All these titanosilicate materials have two types of Lewis moderate-strength acid sites with total concentration up to 30 mu mol/g.
引用
收藏
页码：216 / 223
页数：8
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