Facile synthesis of small crystal ZSM-5 zeolite by acid-catalyzed hydrolysis of tetraethylorthosilicate  

作　　者：WU YaJing REN XiaoQian LU YouDong WANG Jun 

机构地区：[1]State Key Laboratory of Materials-Oriented Chemical Engineering,College of Chemistry and Chemical Engineering,Nanjing University of Technology,Nanjing 210009,China

出　　处：《Science China Chemistry》2009年第5期549-551,共3页中国科学（化学英文版）

基　　金：Supported by the National Natural Science Foundation of China (Grant No. 20776069);Key Natural Science Foundation for Universities of Jiangsu Province (Grant No. 06KJA53012);Program for Changjiang Scholars and Innovative Research Team in University (Grant No. PCSIRT 0732)

摘　　要：Small crystal zeolites ZSM-5 with sizes of 150-300 nm were synthesized using the colloidal silicate precursors as the silica source created by the acid-catalyzed hydrolysis of tetraethylorthosilicate with tetrapropylammonium bromide as the structure-directing agent within a short crystallization time of 20-35 h. The precursors and final products were detected by XRD, SEM, ICP and DLS.Small crystal zeolites ZSM-5 with sizes of 150–300 nm were synthesized using the colloidal silicate precursors as the silica source created by the acid-catalyzed hydrolysis of tetraethylorthosilicate with tetrapropylammonium bromide as the structure-directing agent within a short crystallization time of 20–35 h. The precursors and final products were detected by XRD, SEM, ICP and DLS.

关 键 词：HYDROLYSIS HYDROTHERMAL CRYSTAL growth small CRYSTAL ZSM-5 TETRAETHYLORTHOSILICATE 

分 类 号：O643.36[理学—物理化学]