Amphiphilic Titanosilicates as Pickering Interfacial Catalysts for Liquid-Phase Oxidation Reactions

被引：0
|
作者：
Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Department of Chemistry, East China Normal University, North Zhongshan Road 3663, Shanghai [1 ]
200062, China
不详 [2 ]
201108, China
机构：
[1] Shanghai Key Laboratory of Green Chemistry and Chemical Processes, Department of Chemistry, East China Normal University, North Zhongshan Road 3663, Shanghai
[2] Eco-Efficient Products and Processes Laboratory (E2P2L), UMI 3464 CNRS - Solvay, 3066 Jin Du Road, Xin Zhuang Ind. Zone, Shanghai
来源：
J. Phys. Chem. C | / 45卷 / 25377-25384期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
D O I：
10.1021/acs.jpcc.5b07175
中图分类号：
学科分类号：
摘要：
Monodispersed amphiphilic zeolite/mesosilica composite material TS-1@KCC-1 (TK), which could stabilize Pickering emulsions for the benzene/H2O2 system, has been synthesized, and its physicochemical properties have been investigated in detail. The amphiphilic TK catalyst displayed a higher catalytic activity under Pickering interfacial catalysis (PIC) than under phase-boundary catalysis (PBC) and conventional reaction conditions in the hydroxylation of benzene by hydrogen peroxide without cosolvent and under static conditions. Under optimized conditions, a TS-1@KCC-1 catalyst grafted with octyl chains (2.42 wt %) could afford an interfacial activity of 1.1 mol (Ti-mol)-1. Moreover, PIC reaction conditions exhibited an excellent thermal stability and good reusability. © 2015 American Chemical Society.
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页码：25377 / 25384
页数：7
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