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化学学报
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化学学报 ›› 2002, Vol. 60 ›› Issue (6): 1035-1039. 上一篇    下一篇

研究论文

Ti接枝KIT-1对苯羟化反应的化学亲和选择性及化学稳定性研究

何静;郭宗英;邓玲玲;段雪   

  1. 北京化工大学.北京(100029)
  • 发布日期:2002-06-15

Catalytic Performance and Stability of Ti-grafted KIT-1 in the Hydroxylation of Benzene

He Jing;Guo Zongying;Deng Lingling;Duan Xue   

  1. The Key Laboratory of Science and Technology of Controllable Chemical Reactions, Beijing University of Chemical Technology, Ministry of Education.Beijing(100029)
  • Published:2002-06-15

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被引次数

13 | 2

以合成后表面接枝的方式制备了长程结构和孔结构均较好的Ti接枝KIT-1催化 剂，将其用于苯羟化反应，研究了Ti接枝KIT-1催化剂的苯羟化学性能和稳定性， 结果发现：Ti接枝KIT-1催化剂对苯羟化过程表现出化学亲和选择性，即使在过氧 化氢过量的条件下，也可避免深度氧化的进行；Ti接枝KIT-1催化剂在苯羟化过程 中表现出较好的结构稳定性。

关键词: 钛, 接枝共聚, 催化剂, 稳定性, 苯, 羟基化

Ti containing KIT-1 materials with well ordered long-range and pore structures were prepared by grafting Ti onto the surface of KIT-1. Ti- grafted KIT-1 materials were used as the catalyst for the hydroxylation of benzene. catalytic performance and stability of the catalyst were investigated. The results show that Ti-grafted KIT-1 with hydrophobic surface is much more reactive in the hydroxylation of benzene than that of phenol. The long-range and pore structures of KIT-1 are also stable enough in the hydroxylation.

Key words: TITANIUM, GRAFT COPOLUMERIZATION, CATALYST, STABILITY, BENZENE, HYDROXYLATION

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