Sol–gel synthesis, characterization and catalytic activity of γ-alumina with bimodal mesopore distribution

被引：0
|
作者：
Vladimir V. Vinogradov
Alexander V. Vinogradov
Anton S. Kraev
Alexander V. Agafonov
Vadim G. Kessler
机构：
[1] Russian Academy of Sciences,Institute of Solution Chemistry
[2] Swedish University of Agricultural Sciences (SLU),Department of Chemistry, Biocenter
来源：
Journal of Sol-Gel Science and Technology | 2013年 / 68卷
关键词：
Sol–gel synthesis; Dimethyl ether; Template; Mesopore;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this study, boehmite sols were used for preparation of mesoporous γ-alumina with bimodal mesopore distribution. Superfine nanospheres of poly(methyl methacrylate) (PMMA) prepared by water based emulsion polymerization method were used as a template. Nitrogen sorption revealed that aluminas prepared using this approach demonstrated bimodal mesopore size distribution with maxima at 3.8 and 25.7 nm, respectively. Catalytic tests showed that bimodal mesopore distribution within γ-Al2O3 prepared with PMMA nanospheres as a template provides improved catalytic activity in the methanol dehydration reaction.
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页码：155 / 161
页数：6
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