One-Pot Synthesis of Dimethyl Carbonate from Methanol, Propylene Oxide and Carbon Dioxide Over Supported Choline hydroxide/MgO

被引：36
|
作者：
De, Chunyan
Lu, Bin
Lv, He
Yu, Yuanyuan
Bai, Yu
Cai, Qinghai [1 ]
机构：
[1] Harbin Normal Univ, Coll Chem & Chem Engn, Harbin 150080, Peoples R China
来源：
CATALYSIS LETTERS | 2009年 / 128卷 / 3-4期
关键词：
Ionic liquid; Dimethyl carbonate; Methanol; Carbon dioxide; Propylene oxide; ETHYLENE-OXIDE; SUPERCRITICAL CO2; EPOXIDES; CATALYSTS; GLYCOLS; SELECTIVITY;
D O I：
10.1007/s10562-008-9773-1
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：
A basic ionic liquid, namely choline hydroxide, was prepared and supported on MgO to form Choline hydroxide/MgO material. The supported ionic liquid material was characterized by XRD, FT-IR and TG and used as a catalyst in one-pot synthesis of dimethyl carbonate from propylene oxide, methanol and carbon dioxide. A good catalytic performance was obtained with 98% conversion of epoxide and selectivity of above 90% to DMC + PC over the composite catalyst. However, the catalyst could be reused three times without a significant change in its catalytic activity.
引用
收藏
页码：459 / 464
页数：6
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