One-Step Synthesis of Metal-Doped Mesoporous MCM-41 Materials and Their Application in Esterification Catalysis

被引：1
|
作者：
Zhao Hui-Ling [1 ]
Xu Sheng [1 ]
Zhou Jian-Hai [1 ]
Hu Jun [1 ]
Liu Hong-Lai [1 ]
机构：
[1] E China Univ Sci & Technol, Dept Chem, Lab Adv Mat, Shanghai 200237, Peoples R China
来源：
ACTA PHYSICO-CHIMICA SINICA | 2011年 / 27卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Metallocene; M-MCM-41; One-step impregnation; Esterification; Catalysis effect; SUPPORTED METALLOCENE; IONIC LIQUIDS; COMPLEXES; ACID; POLYMERIZATION; OLEFINS;
D O I：
10.3866/PKU.WHXB20110227
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Metals (Fe, Ti, Zr) were doped into mesoporous MCM-41 by a one-step method using cetyltriethylammonium bromide (CTAB) micelles with micellar solubilized metallocenes as templates. X-ray diffraction (XRD) and N-2 adsorption-desorption isotherms show that after metallocene doping, MMCM-41(T) materials still preserved the ordered hexagonal structure and high BET surface area. Inductively coupled plasma atomic emission spectrometry (ICP-AES) indicated that the mass fractions of the metals in the corresponding samples are: 1.71% Fe in Fe-MCM-41(400), 0.95% Ti in Ti-MCM-41(550) and 0.81% Zr in Zr-MCM-41(550). All the M-MCM-41(T) materials showed a particular high catalysis effect for the esterification of acetic acid and n-butanol. The TOF of Fe-MCM-41(400) and Zr-MCM-41(550) were 55643 g.h(-1).g(-1) and 125320 g.h(-1).g(-1), respectively, which is much higher than that of the corresponding pure metallocenes.
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页码：499 / 504
页数：6
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