Effect of synthesis conditions on particle size of HMS

被引：0

作者：

李浩 ^{[1
]}

刘红 ^{[1
]}

何世强 ^{[1
]}

机构：

[1] School of Environmental and Chemical Engineering,Shanghai University

来源：

Advances in Manufacturing | 2009年 / 01期

关键词：

HMS; mesoporous molecular sieve; synthesis; additive; nanosized; microemulsion;

D O I：

暂无

中图分类号：

O621.3 [有机合成化学];

学科分类号：

070303 ; 081704 ;

摘要：

HMS mesoporous molecular sieve was synthesized hydrothermally by using dodecylamine(DDA) as template and tetethylorthosilicalite(TEOS) as silicon source. The influence of the hydrothermal synthesis conditions on HMS particle size was studied systematically. The results showed that the smaller particle was obtained under the condition of DDA/SiO2=0.27,H2O/SiO2=66.7,EtOH/SiO2=6.5 mol and synthesis time of 18 h. The presences of additives(TW20,TW60,SP60 and Neopelex) also helped to the reduction of particle size. The HMS mesoporous molecular sieve with particle size around 60～100 nm was obtained by using TW20 or TW60 as an additive. In addition,TEM image showed that HMS mesoporous molecular sieve with pariticle size about 20～100 nm was synthesized in microemulsion.

引用

页码：76 / 80

页数：5

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