化工进展 ›› 2017, Vol. 36 ›› Issue (09): 3300-3308.DOI: 10.16085/j.issn.1000-6613.2017-0282

• 工业催化 • 上一篇    下一篇

离子液体催化二氧化碳合成环状碳酸酯的研究进展

杨美1, 钟向宏2, 陈群3   

  1. 1 中山大学化学与化学工程学院, 广东 广州 510275;
    2 中国石油化工股份有限公司茂名分公司研究院, 广东 茂名 525011;
    3 常州大学江苏省精细石油化工重点实验室, 江苏 常州 213164
  • 收稿日期:2017-02-22 修回日期:2017-04-11 出版日期:2017-09-05 发布日期:2017-09-05
  • 通讯作者: 钟向宏,教授级高级工程师。
  • 作者简介:杨美(1984-),女,博士,博士后,研究方向为胶体与界面化学。E-mail:t-yangmei.mmsh@sinopec.com

Recent progress of the synthesis of cyclic carbonates from CO2 and epoxides catalyzed by ionic liquids

YANG Mei1, ZHONG Xianghong2, CHEN Qun3   

  1. 1 School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, Guangdong, China;
    2 Research Institute of Maoming Branch Company, SINOPEC, Maoming 525011, Guangdong, China;
    3 Jiangsu Province Key Lab of Fine Petrochemical Engineering, Changzhou University, Changzhou 213164, Jiangsu, China
  • Received:2017-02-22 Revised:2017-04-11 Online:2017-09-05 Published:2017-09-05

摘要: 离子液体作为一种新型绿色环保介质,由于其结构可设计、稳定性高以及催化活性高等优点,使其在CO2环加成反应的催化方面应用前景广阔。本文综述了近年来离子液体催化CO2与环氧化物的环加成反应制备环状碳酸酯的研究进展。传统离子液体包括咪唑类、吡啶类、季铵盐季盐等离子液体,而功能化离子液体包括羟基功能化、羧基功能化等离子液体。与传统离子液体相比,功能化离子液体具有更好的催化活性。无机或有机材料负载的非均相离子液体催化剂报道较多,载体包括SiO2、氧化石墨烯、聚合物等。非均相催化剂具备易分离、可在固定反应器中连续反应等优点,更适应工业化生产。指出了CO2与环氧化合物反应制备环状碳酸酯过程中出现的催化剂活性低、反应条件苛刻等关键问题,因此寻求高选择性合成环状碳酸酯的环境友好的新型高效催化剂具有重要的学术意义和实用价值。

关键词: 二氧化碳, 环氧化合物, 环状碳酸酯, 离子液体

Abstract: As a novel environment friendly media,ionic liquids(ILs) have shown advantages in the catalysis of this cycloaddition reaction due to their structure designability,high stability,and high catalytic activity,etc.This review was mainly focus on the latest progress on the use of ILs as catalysts for the cycloaddition of CO2 with epoxides. The conventional ILs contained imidazolium,pyridine,quaternary ammonium salt,quaternary phosphonium salts and other ILs. The functionalized ILs included hydroxyl-functionalized,carboxyl-functionalized and other ILs. Compared with conventional ILs,functionalized ILs had much better catalytic performance. A series of inorganic or organic support immobilizing ILs catalysts had been developed. Their supports included mesoporous silica,graphene oxide,polymers,etc. The chemical industry has always preferred to use a heterogeneous catalyst due to the ease of separation and the ability to use in a fixed-bed reactor. How to overcome the disadvantages of low activities,difficulties in separation and tough reaction conditions is a key issue. It is of great academic significance and practical value to pursue the new and efficient catalyst for high selectivity synthesis of cyclic carbonates.

Key words: carbon dioxide, epoxides, cyclic carbonates, ionic liquids

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