王绍梅;李惠云;邢晓刚;

• 1:安阳师范学院化学化工学院

摘要(Abstract)：

采用钛硅溶胶后移植法,合成了高负载钛的介孔分子筛Ti-KIT-1。利用X射线粉末衍射(XRD)、紫外可见漫反射(UV-vis)、低温N2吸附-脱附、热分析等手段对样品进行了表征,并通过环己烯环氧化反应考察了催化剂的催化性能。实验结果表明:Ti-KIT-1分子筛仍保持完好的介孔结构,但比表面积、孔容有所减少,孔径增大。后移植法钛分子筛骨架中存在四配位钛,且表现出良好的催化活性,其中以Si/Ti=5的样品Ti-KIT-5最好,H2O2的转化率达到96.5%。

关键词(KeyWords)： Ti-KIT-1-n;钛硅溶胶;催化性能;环己烯环氧化反应

Abstract:

Keywords:

基金项目(Foundation): 安阳师范学院培育资金(AYNU-2009PYL-06)

作者(Authors): 王绍梅;李惠云;邢晓刚;

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