Acta Phys. -Chim. Sin. ›› 2011, Vol. 27 ›› Issue (02): 499-504.doi: 10.3866/PKU.WHXB20110227

• CATALYSIS AND SURFACE SCIENCE • Previous Articles     Next Articles

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

ZHAO Hui-Ling, XU Sheng, ZHOU Jian-Hai, HU Jun, LIU Hong-Lai   

  1. Laboratory for Advanced Materials, Department of Chemistry, East China University of Science and Technology, Shanghai 200237, P. R. China
  • Received:2010-09-10 Revised:2010-12-01 Published:2011-01-25
  • Contact: HU Jun E-mail:junhu@ecust.edu.cn
  • Supported by:

    The project was supported by the National Natural Science Foundation of China (20736045, 20776002) and Program for Changjiang Scholars and Innovative Research Team in University of China (IRT0721).

Abstract:

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 N2 adsorption-desorption isotherms show that after metallocene doping, M- MCM-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.

Key words: Metallocene, M-MCM-41, One-step impregnation, Esterification, Catalysis effect

MSC2000: 

  • O643