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Effects of Polar Aprotic Solvents on Dissolving Cellulose in Ionic Liquid

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Abstract:

The effects of polar aprotic solvents on dissolving cellulose in ionic liquid have been studied, the adding of DMSO (DMF, DMAc) can obviously improve the dissolving property of [Emim][CH3COO], additive DMSO has the best enhancement effect because of its strongest polarity. The reason for this phenomenon is that polar aprotic solvents can solvate [Emim]+ cation of IL and generate much more “free” [CH3COO]− anion which is crucial for destroying hydrogen bonds of cellulose, this conclusion is also supported by our conductivity measurement.

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Periodical:

Advanced Materials Research (Volumes 1073-1076)

Pages:

282-285

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1073-1076.282

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Online since:

December 2014

Authors:

Xin Da Li, Ai Lan, Jing Wen Tang, Yue Zhang, Magdi E. Gibril, Mu Huo Yu*

Keywords:

Cellulose, Dissolving, Ionic Liquid, Polar Aprotic Solvents

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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