Novel synthesis of spherical MCM-48

被引：356
|
作者：
Schumacher, K [1 ]
Grün, M [1 ]
Unger, KK [1 ]
机构：
[1] Univ Mainz, Inst Anorgan Chem & Analyt Chem, D-55099 Mainz, Germany
来源：
MICROPOROUS AND MESOPOROUS MATERIALS | 1999年 / 27卷 / 2-3期
关键词：
MCM-48; spherical particles; synthesis; metal incorporation;
D O I：
10.1016/S1387-1811(98)00254-6
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A novel synthesis route was developed for the cubic member of the M41S family, MCM-48, with a three-dimensional pore system allowing the formation of submicrometre- to micrometre-sized beads with a narrow pore-size distribution. The synthesis is based on the modified Stober method applying tetraethoxysilane, ethanol, water, ammonia and n-hexadecyltrimethylammonium bromide as template. The specific surface area, the specific pore volume and the average pore diameter were varied in the following ranges: 900-1600 m(2) g(-1), 0.5-0.9 cm(3) g(-1) and 2-3 nm. Aluminium-, chromium-, gallium-, niobium- and vanadium-MCM-48 were also synthesized following this procedure. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：201 / 206
页数：6
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