Insertion of extra-framework Al into the framework of mesoporous MCM-41 aluminosilicates

被引：35
|
作者：
Mokaya, R [1 ]
机构：
[1] Univ Nottingham, Sch Chem, Nottingham NG7 2RD, England
来源：
CHEMICAL COMMUNICATIONS | 2000年 / 19期
关键词：
D O I：
10.1039/b005316n
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Virtually all octahedrally coordinated (extra-framework) Al in calcined Al-grafted MCM-41 materials can be inserted into (tetrahedral) framework positions upon treatment with an aqueous solution of NH4OH; the insertion of Al into the framework is accompanied by an increase in (Bronsted) acidity and ion exchange capacity.
引用
收藏
页码：1891 / 1892
页数：2
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