Organic-inorganic hybrid mesoporous materials assembled from sodium silicate and organotrialkoxysilane

被引：2
作者：
Yu, NY
Gong, YJ
Wu, D
Sun, YH [1 ]
Luo, Q
Liu, WY
Deng, F
机构：
[1] Chinese Acad Sci, Shanxi Inst Coal Chem, State Key Lab Coal Convers, Taiyuan 030001, Peoples R China
[2] Chinese Acad Sci, Wuhan Inst Phys & Math, State Key Lab Magnet Resonance & Atom Mol Phys, Wuhan 430071, Peoples R China
来源：
ACTA PHYSICO-CHIMICA SINICA | 2004年 / 20卷 / 01期
关键词：
organic functionalization; MSU mesoporous molecular sieves; sodium silicate;
D O I：
10.3866/PKU.WHXB20040117
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The MSU-typed mesoporous organosilica with organic methyl, vinyl, and phenyl functionals were prepared by using inexpensive sodium silicate and organotrialkoxysilane as the silica precursor and nonionic polyethyleneoxide AEO(9)[C11- H-15(23-31)(CH2CH2O)(9)H] as the structure-directing agent. The resultant materials were characterized by powder X-ray diffraction (XRD), N-2 sorptometry, high resolution transmission electron microscopy (HRTEM) and Si-29 CP MAS-NMR. The results indicated that addition of sodium fluorite reduced the possibility of organotrialkoxysilane with small organic group entering the framework walls of the mesostructures at neutral condition. Moreover, pore diameter of material increased upon the increase of pH value.
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收藏
页码：81 / 84
页数：4
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