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Ionic liquids grafted on carbon nanotubes as highly efficient heterogeneous catalysts for the synthesis of cyclic carbonates

Paper ID Volume ID Publish Year Pages File Format Full-Text
40911 45870 2012 6 PDF Available
Title
Ionic liquids grafted on carbon nanotubes as highly efficient heterogeneous catalysts for the synthesis of cyclic carbonates
Abstract

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.

Graphical abstractFigure optionsDownload full-size imageDownload high-quality image (174 K)Download as PowerPoint slideHighlights► Imidazolium-based ionic liquids were grafted onto carbon nanotube nanohybrids. ► They showed enhanced catalytic performance in the cycloaddition reaction of CO2 and epoxides. ► Tunable catalytic activity can be achieved depending on the molecular structure of the immobilized ionic liquids. ► Reaction conditions have significant effects on the catalytic performance of the heterogeneous catalysts.

Keywords
Carbon dioxide; Carbon nanotube; Cyclic carbonate; Cycloaddition reaction; Heterogeneous catalysts; Ionic liquids
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Ionic liquids grafted on carbon nanotubes as highly efficient heterogeneous catalysts for the synthesis of cyclic carbonates
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volumes 429–430, 2 July 2012, Pages 67–72
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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Any Questions? feel free to contact us