高等学校化学学报

高等学校化学学报 ›› 1999, Vol. 20 ›› Issue (7): 1125.

• 研究快报 • 上一篇    下一篇

微孔树脂镶嵌的α-Fe2O3纳米粒子催化苯酚过氧化氢羟化研究

于剑锋, 刘志强, 刘庆生, 汪大洋, 张文祥, 吴通好, 孙家锺   

  1. 吉林大学化学系, 理论化学研究所, 长春 130023
  • 收稿日期:1999-03-01 出版日期:1999-07-24 发布日期:1999-07-24
  • 通讯作者: 于剑锋,男,39岁,博士,副教授.
  • 作者简介:于剑锋,男,39岁,博士,副教授.
  • 基金资助:

    国家自然科学基金(批准号:29773016)资助课题

Studies of α-Fe2O3Inlaid in Small Pore Resin and the Catalytical Activity in the Hydrogenation of Phenol with Hydrogen Peroxide

YU Jian-Feng, LIU Zhi-Qiang, LIU Qing-Sheng, WANG Da-Yang, ZHANG Wen-Xiang, WU Tong-Hao, SUN Chia-Chung   

  1. Department of Chemistry, Institute of Theoretical Chemistry, Jilin University, Changchun, 130023
  • Received:1999-03-01 Online:1999-07-24 Published:1999-07-24

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摘要： 由于特殊的尺寸效应,纳米材料的晶粒间界面在整个材料中占有极大比例,这使其表现出与同质常规固体材料完全不同的物理化学性质.纳米材料的这种特殊性质在催化反应中往往会表观出异常的催化活性.微孔树脂由于材料不同.

关键词: 微孔树脂, &alpha, －Fe2O3, 纳米粒子, 苯酚过氧化氢羟化, 苯二酚

Abstract: Aseries of α-Fe2O3catalysts inlaid in small pore resin was synthesized and used in the reaction of phenol hydroxylation with H2O2The amount of Fe inlaid was measured by atomic absorption. The results of Mssbauer spectra indicated that α-Fe2O3was the main state, and the average diameter was smaller than5nm. The conversion of phenol was about 24%, the selectivity of diphenol was higher than 90%, and the conversion of H2O2almost reached 100% at the 3:1 molar ratio of phenol to H2O2These results reached the values of Enichem's technology in Italy.

Key words: Small pore resin, α-Fe2O3, Nanometer particle, Hydroxylation of phenol with hydrogen peroxide, Dihydric phenols

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