One-pot Synthesis of Dimethyl Carbonate in the Presence of a Two-component Catalyst

作     者：CHEN Xiu-zhi HU Chang-wen GAO Zhi-ming 

作者机构：The Institute for Chemical Physics Beijing Institute of Technology Beijing 100081 P. R. China Department of Chemistry Beijing Institute of Technology Beijing 100081 P. R. China 

出 版 物：《Chemical Research in Chinese Universities》 (高等学校化学研究（英文版）)

年 卷 期：2005年第21卷第6期

页      面：714-717页

核心收录：

学科分类：081705[工学-工业催化] 08[工学] 0817[工学-化学工程与技术] 

基　　金：SupportedbytheNationalNaturalScienceFoundationofChina(Nos.20331010 20271007and90406002)andSpecializedResearchFundfortheDoctoralProgramofHigherEducation(No.20030007014) 

主　　题：Dimethyl carbonate Carbon dioxide Propylene oxide Propylene carbonate Catalyst 

摘      要：The one-pot synthesis of dimethyl carbonate（DMC） with co-production of propy-lene carbonate（PC） and propylene glycol（PG） from propylene oxide（ PO）, carbon dioxide and methanol as the starting materials was investigated. The catalyst adopted here was a mixture of tetrabutyl ammonium bromide and sodium methoxide. It was found that un- der the reaction conditions of t = 150 ℃, p =3-4 MPa and 2 h, the PO conversion could reach 100%, the DMC, PC and the PG selectivities were 49. 7%, 42. 7% and 49. 8%, respectively, and the selectivity of by-products was below 10%.