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Issue 4, 2006
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Dissolution of cellulose with ionic liquids and its application: a mini-review

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Abstract

Dissolution of cellulose with ionic liquids allows the comprehensive utilization of cellulose by combining two major green chemistry principles: using environmentally preferable solvents and bio-renewable feed-stocks. In this paper, the dissolution of cellulose with ionic liquids and its application were reviewed. Cellulose can be dissolved, without derivation, in some hydrophilic ionic liquids, such as 1-butyl-3-methylimidazolium chloride (BMIMCl) and 1-allyl-3-methylimidazolium chloride (AMIMCl). Microwave heating significantly accelerates the dissolution process. Cellulose can be easily regenerated from its ionic liquid solutions by addition of water, ethanol or acetone. After its regeneration, the ionic liquids can be recovered and reused. Fractionation of lignocellulosic materials and preparation of cellulose derivatives and composites are two of its typical applications. Although some basic studies, such as economical syntheses of ionic liquids and studies of ionic liquid toxicology, are still much needed, commercialization of these processes has made great progress in recent years.

Graphical abstract: Dissolution of cellulose with ionic liquids and its application: a mini-review

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Article information


Submitted
30 Jan 2006
Accepted
22 Feb 2006
First published
13 Mar 2006

Green Chem., 2006,8, 325-327
Article type
Critical Review

Dissolution of cellulose with ionic liquids and its application: a mini-review

S. Zhu, Y. Wu, Q. Chen, Z. Yu, C. Wang, S. Jin, Y. Ding and G. Wu, Green Chem., 2006, 8, 325
DOI: 10.1039/B601395C

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