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首页> 外文期刊>Applied Catalysis, A. General: An International Journal Devoted to Catalytic Science and Its Applications >Ionic liquids grafted on carbon nanotubes as highly efficient heterogeneous catalysts for the synthesis of cyclic carbonates
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Ionic liquids grafted on carbon nanotubes as highly efficient heterogeneous catalysts for the synthesis of cyclic carbonates

机译：接枝在碳纳米管上的离子液体，是用于合成环状碳酸酯的高效多相催化剂

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摘要

A variety of multi-walled carbon nanotubes grafted with immidazolium-based ionic liquids (CNT-ILs) were synthesized and utilized as highly efficient heterogeneous catalysts for the production of cyclic carbonates via cylcoaddition reactions of epoxides and CO2. In comparison with conventional heterogeneous catalysts that employ porous silica and polymer supports, CNT-ILs exhibited significantly enhanced catalytic reactivity towards the cycloaddition reactions. The effects of the IL molecular structure (alkyl chain length and counter anions) and the reaction parameters (temperature, CO2 pressure, and time) on the catalytic performance of the corresponding heterogeneous catalysts were also systematically investigated.
机译：合成了多种以咪唑基离子液体（CNT-ILs）接枝的多壁碳纳米管，并将其用作高效的非均相催化剂，用于通过环氧化物和CO2的环加成反应生产环状碳酸酯。与使用多孔二氧化硅和聚合物载体的常规非均相催化剂相比，CNT-IL对环加成反应表现出显着增强的催化反应性。还系统地研究了IL分子结构（烷基链长和抗衡阴离子）和反应参数（温度，CO2压力和时间）对相应多相催化剂催化性能的影响。

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