催化学报

催化学报 ›› 2008, Vol. 29 ›› Issue (1): 4-6.

• 研究快讯 • 上一篇    下一篇

有机修饰的含钴HMS对环己烷选择氧化反应的催化活性

陈晨1,2,张巧红1,2,马红1,高进1,孙志强1,徐杰1   

  1. 1 中国科学院大连化学物理研究所, 辽宁大连 116023; 2 中国科学院研究生院, 北京 100049
  • 收稿日期:2008-01-25 出版日期:2008-01-25 发布日期:2011-12-25

Catalytic Activity of Co-HMS Modified by Organic Groups for Cyclohexane Oxidation

CHEN Chen1,2, ZHANG Qiaohong1,2, MA Hong1, GAO Jin1, SUN Zhiqiang1, XU Jie1*   

  1. 1 Dalian Institute of Chemical Physics, The Chinese Academy of Sciences, Dalian 116023, Liaoning, China; 2 Graduate University of Chinese Academy of Sciences, Beijing 100049, China
  • Received:2008-01-25 Online:2008-01-25 Published:2011-12-25

PDF

874

被引次数

16

摘要： 以十六胺为模板剂,采用一步共聚的方法,室温下合成出了骨架含金属钴离子,表面连接疏水性有机基团的双功能化中孔氧化硅材料,并在环己烷液相氧化反应中考察了该材料的催化活性. 有机基团的引入能够显著提高催化剂的活性,其中苯基效果最佳,其次是甲基和丙基.

关键词: 有机修饰, 中孔氧化硅, 环己烷, 选择氧化

Abstract: By a one-step co-condensation route using hexadecylamine as the template, various organic groups were successfully immobilized on the surface of hexagonal mesoporous silicas (HMS) along with Co2+ions incorporated into the framework. The obtained bifunctionalized materials showed high activity in the selective oxidation of cyclohexane. The Co2+cations were active for oxidation while the organic groups played the key roles in modifying the surface properties. During the oxidation reaction, a phenyl group was found to be better than methyl and propyl groups.

Key words: organic modification, mesoporous silica, cyclohexane, selective oxidation