Synthesis and characterization of benzyl sulphonic acid functionalized MCM-41

被引：0
|
作者：
Chen Jing [1 ]
Han Mei [1 ]
Sun Rui [1 ]
Wang Jin-Tang [1 ]
机构：
[1] Nanjing Technol Univ, Dept Appl Chem, Sch Sci, Nanjing 210009, Peoples R China
来源：
CHINESE JOURNAL OF INORGANIC CHEMISTRY | 2006年 / 22卷 / 09期
关键词：
mesoporous material; post-synthesis; sulphonic acid functionalized MCM-41; grafting;
D O I：
暂无
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Mesoporous MCM-41 was prepared through sol-gel method and functionalized with benzyl sulphonic acid using a post-synthetic procedure. The benzyl and sulphonic acid groups are covalently bonded to the surface of MCM-41 by etherification of Si-OH with benzyl alcohol and subsequent sulphonation reaction. The material was characterized by X-ray powder diffraction (XRD), nitrogen adsorption-desorption, IR spectroscopy, elementary analysis, TGA and acidity titration. Mesoporous structure is still remained in SO3H-MCM-41. The benzyl sulphonic acid was attached successfully to the surface of the mesoporous material. The BET surface area is 976 m(2)-g(-1) and the pore volume is 0.42 cm(3)-g(-1). The acid capacity is 4.2 mmol center dot g(-1).
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页码：1568 / 1572
页数：5
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