Citation: Yan Jun GONG, Dong WU, Yu Han SUN, Zhen Dong ZHANG, Hao Guo ZHU, Dong Yuan ZHAO. Double-Mesopore V-MSU-X Silica and its Pure Siliceous Derivative Prepared by One Synthesis System[J]. Chinese Chemical Letters, ;2001, 12(8): 747-750. shu

Double-Mesopore V-MSU-X Silica and its Pure Siliceous Derivative Prepared by One Synthesis System

1.
State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, P. O. BOX165 Taiyuan 030001;
2.
Department of Chemistry, Fudan University, Shanghai 200032

Received Date: 8 February 2001

Fund Project: The authors would like to thank the National Natural Science Foundation of China (29973057 and 29625307) and the National Key Basic Research Special Foundation (G20000480).

Non-ionically templated organo-modified MSU-2 mesoporous silicas have been prepared in neutral medium by co-condensation TEOS and vinyltriexoylsiloxane (VTES) and exhibit highly symmetric bimodal mesopore systems. A bromination reaction of V-MSU-2 provides evidence for attachment of most vinyl groups to the accessible surface within the channels. Further, siliceous MSU-2 materials with double pore size have been obtained from calcination of so-produced organo-modified MSU-2 and demonstrate the immense flexibility of the non-ionic templating system.
- Organically modified MSU-X,
- double pore systerm,
- mesoporous materials.
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