催化学报 ›› 2010, Vol. 31 ›› Issue (4): 386-393.

• 研究论文 • 上一篇    下一篇

近中性条件下含铜多级孔氧化硅的合成及在苯酚羟基化反应中的催化性能

汤建庭1,2, 辛洪川1,2, 苏玮光1,2, 刘健1,2, 李灿1, 杨启华1   

  1. 1 中国科学院大连化学物理研究所催化基础国家重点实验室, 辽宁大连 116023 2 中国科学院研究生院, 北京 100049
  • 收稿日期:2010-04-25 出版日期:2010-04-25 发布日期:2013-10-08

Synthesis of Hierarchical Copper-Containing Silicas under Near Neutral Condi-tions and Their Catalytic Properties in Phenol Hydroxylation

TANG Jianting1,2, XIN Hongchuan1,2, SU Weiguang1,2, LIU Jian1, LI Can1, YANG Qihua1,*   

  1. 1State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, Liaoning, China 2Graduate University of Chinese Academy of Sciences, Beijing 100049, China
  • Received:2010-04-25 Online:2010-04-25 Published:2013-10-08

摘要: 在近中性条件下, 以正硅酸甲酯和 Cu(APTES)42+ (APTES: (EtO)3Si(CH2)3NH2) 为前驱体, P123 为模板剂, KCl 为添加剂合成了不同孔结构的含铜介孔氧化硅材料. 扫描电镜和氮气吸附结果表明, 当 Cu(APTES)42+/TMOS 摩尔比较高时能得到具有多级孔结构的材料. 在以 H2O2 为氧化剂的苯酚羟基化反应中, 具有多级孔结构的含铜介孔氧化硅材料表现出比单一介孔材料高的催化性能.

关键词: 铜, 氧化硅, 介孔材料, 多级孔, 中性条件, 苯酚, 羟基化

Abstract: Copper-containing mesoporous silicas with hierarchical porosity were synthesized under near neutral conditions. This kind of material shows higher catalytic activity than that with only mesopores for the hydroxylation of phenol using H2O2 as oxidant.

Key words: copper, silica, mesoporous material, hierarchical pore, neutral condition, phenol, hydroxylation