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
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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