文献类型：期刊文献

英文题名：Efficient Catalysts of Mixed Amino-Functionalized Ionic Liquids and Zinc Halides for Cycloaddition of CO2 to Propylene Oxide without Solvent

作者：Shen, Weihua[1];Ju, Jixin[1];Nie, Yingying[2];Jiao, Linyu[3];Fang, Yunjin[1]

机构：[1]East China Univ Sci & Technol, Sch Chem Engn, State Key Lab Chem Engn, Shanghai 200237, Peoples R China;[2]Shaanxi Coal Chem Ind Technol Res Inst Co Ltd, Xian 710070, Shaanxi, Peoples R China;[3]Northwest Univ, Sch Chem Engn, Xian 710069, Shaanxi, Peoples R China

年份：2021

卷号：44

期号：8

起止页码：1528

外文期刊名：CHEMICAL ENGINEERING & TECHNOLOGY

收录：;EI(收录号：20212610575892);WOS:【SCI-EXPANDED(收录号:WOS:000667700200001)】；

基金：This work is supported by the Natural Science Basic Research Program of Shaanxi -Shaanxi Coal and Chemical Industry Joint Foundation (Program No. 2019JLM-20), and supported by the National Natural Science Foundation of China (Project No. 21576083).

语种：英文

外文关键词：Cycloaddition of CO2; Ionic liquid; Propylene carbonate; Propylene oxide; Zinc halide

摘要：Amino-functionalized halide ionic liquids, aminopropyl-3-butyl-imidazolium ([Apbim](+)) with different halogen anions, and their zinc halide mixing catalysts were prepared and used to catalyze the cycloaddition of CO2 to propylene oxide (PO) without solvent. Under ideal conditions, the conversion of PO could reach 93.5% with the catalysis of [Apbim]Cl. Under optimized conditions of catalyst dosage, reaction temperature, CO2 pressure, and reaction time, with the catalysis of [Apbim]I, [Apbim]Cl/ZnBr2 (3:1), and [Apbim]Br/ZnBr2 (5:1), the conversion of PO and the selectivity of propylene carbonate (PC) both reach > 99%. From the point of view of preparation process and industrial operation, [Apbim]Cl/ZnBr2 is the most suitable catalyst. This catalyst is characterized by good reusability and catalytic activity, and the yield of PC is about 99% at least for ten times repeated use.