Progress in preparation of supported ionic liquids and its application in catalytic hydrogenation reactions

doi:10.16085/j.issn.1000-6613.2017-0155

Abstract

Abstract: Supported ionic liquids are a kind of new materials that have recently emerged. The concept of supported ionic liquids phase catalysis developed therefrom integrated good solubility of ionic liquids with high specific surface area of supports, which reduces the amount of ionic liquids while improving the activity and selectivity of catalytic reaction, thus became one of the research hotspots in the field of ionic liquid in recent years. In this paper, the methods of preparing supported ionic liquid were described, such as impregnating, covalent bonding, bonding-impregnating, sol-gel method, and polymerization, with their respective advantages and disadvantages compared. It reviewed the applications of supported ionic liquids in catalytic hydrogenation reaction which utilizes silica gel, mesoporous materials, polymers, carbon materials, magnetic materials as supports. In particular, this paper compared the supported ionic liquids phase catalysis with the traditional ionic liquid two-phase catalysis and heterogeneous catalysis, highlighting the advantages of supported ionic liquids phase catalysis in terms of activity, selectivity, separation and recycling of catalyst. Finally, the main problems and the future development of supported ionic liquids phase catalysis were summarized herein.

Key words: ionic liquids, catalysis, support, hydrogenation

摘要： 固载化离子液体是近年来出现的一类新型材料，基于固载化离子液体而发展的固载离子液体相催化的概念融合了离子液体优良的溶解性和载体材料的高比表面积的优点，不但减少了离子液体的用量，而且提高了催化反应的活性和选择性，是近年来离子液体领域的研究热点之一。本文较全面系统地介绍了制备固载化离子液体的方法：浸渍法、化学键合法、键合-浸渍法、溶胶-凝胶法以及聚合法，并对上述各种固载方法的优缺点进行了比较；综述了以硅胶、介孔材料、聚合物、碳材料、磁性材料以及新型材料等为载体的固载化离子液体在催化加氢反应中的应用，特别是将固载离子液体相催化与传统的离子液体两相催化和多相催化进行了对比，突出了固载离子液体相催化在催化活性、选择性和催化剂分离回收等方面的优势；最后对固载离子液体相催化目前存在的主要问题以及未来的发展进行了总结。

关键词: 离子液体, 催化, 载体, 加氢

CLC Number:

O643.38

XU Bingying, MA Qingqing, JIN Xin, YU Shitao. Progress in preparation of supported ionic liquids and its application in catalytic hydrogenation reactions[J]. Chemical Industry and Engineering Progress, 2017, 36(09): 3465-3474.

徐冰莹, 马青青, 金欣, 于世涛. 固载化离子液体的制备及其在催化加氢反应中的应用研究进展[J]. 化工进展, 2017, 36(09): 3465-3474.

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