Design of Novel Poly(ionic liquids) for the Conversion of CO2 to Cyclic Carbonates under Mild Conditions without Solvent

被引：104
|
作者：
Song, Hongbing [1 ]
Wang, Yongjie [1 ]
Xiao, Meng [1 ]
Liu, Lei [1 ]
Liu, Yule [1 ]
Liu, Xiaofeng [1 ]
Gai, Hengjun [1 ]
机构：
[1] Qingdao Univ Sci & Technol, State Key Lab Base Ecochem Engn, Coll Chem Engn, Zhengzhou Rd 53, Qingdao 266042, Shandong, Peoples R China
来源：
ACS SUSTAINABLE CHEMISTRY & ENGINEERING | 2019年 / 7卷 / 10期
基金：
中国国家自然科学基金; 国家重点研发计划;
关键词：
Ionic liquid; Poly(ionic liquids); Carbon dioxide; Heterogeneous catalysis; METAL-ORGANIC FRAMEWORK; IONIC LIQUIDS; SYNERGISTIC CATALYSTS; CHEMICAL FIXATION; HIGHLY EFFICIENT; SALEN COMPLEXES; CYCLOADDITION; EPOXIDES; POLYMERS; DIOXIDE;
D O I：
10.1021/acssuschemeng.9b00865
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The production of carbonates from carbon dioxide (CO2) and epoxides is an atom-economical reaction. This study developed a series of poly(ionic liquids) (PILs) by copolymerizing a novel functional ionic liquid (ethyl ether bis(1-vinylimidazolium) chloride) with ethylene glycol dime thacrylate (EGDMA). The structures and morphologies of PILs were investigated by adjusting the mole ratio between IL and EGDMA in the PILs. The prepared PILs were investigated as catalysts for the cycloaddition of CO2 with epoxides, and they show improved catalytic efficiency and accelerated mass transfer rate due to their mesoporous structure with a large number of uniformly distributed active ion sites. The PIL was stable, and the activity remained unchanged during the recycling of CO2 cycloaddition to epoxides under mild conditions without any solvent and co-catalyst. This study emphasizes the PIL as a versatile platform to obtain cyclic carbonates from CO2 under mild conditions.
引用
收藏
页码：9489 / 9497
页数：17
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