Synthesis and characterization of polyvinyl amine-SiO2-Al2O3 as a new and inexpensive organic-inorganic hybrid basic catalyst

被引：28
|
作者：
Kalbasi, Roozbeh Javad [1 ,2 ]
Kolahdoozan, Majid [1 ,2 ]
Rezaei, Mahsa [1 ,2 ]
机构：
[1] Islamic Azad Univ, Dept Chem, Shahreza Branch, Shahreza 31186145, Isfahan, Iran
[2] Islamic Azad Univ, Razi Chem Res Ctr, Shahreza Branch, Shahreza 31186145, Isfahan, Iran
来源：
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2012年 / 18卷 / 03期
关键词：
Polyvinyl amine; SiO2-Al2O3; Organic-inorganic hybrid material; Polymer composite; Knoevenagel condensation; MECHANICAL-PROPERTIES; COMPOSITE; KNOEVENAGEL; NETWORK; MCM-41;
D O I：
10.1016/j.jiec.2011.08.006
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Composite polyvinyl amine-SiO2-Al2O3 (PVAm-SiO2-Al2O3) was prepared using two different methods (in situ and impregnation). The physical and chemical properties of the catalysts were investigated by XRD, BET, SEM and TGA techniques. The catalytic activity of the composites was compared for the Knoevenagel condensation reaction in the presence of water as solvent. The catalytic activity of the catalyst prepared by in situ method was higher than that of the impregnated method. The catalyst was easily prepared from inexpensive materials showing a considerable level of reusability besides very good activity. (C) 2012 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：909 / 918
页数：10
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