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Applications of ionic liquids in starch chemistry: a review

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Abstract

Recently, the utilization of starch to replace synthetic polymers for the manufacture of green materials has gained extensive interest, due to its renewability, biodegradability, abundance and low cost. On the other hand, ionic liquids (ILs) have been widely recognized as promising “green solvents” to replace volatile organic solvents for polysaccharide processing. Over the past few years, ILs have been increasingly demonstrated to serve as excellent media for the dissolution, plasticization and derivatization of starch. This allows the synthesis of chemically modified starches with high degree of substitution (DS) and the development of various starch-based materials such as thermoplastic starch, composite films, solid polymer electrolytes, nanoparticles and drug carriers. The main objective of this review is to present an overview of the roles of ILs in starch dissolution, gelatinization, modification and plasticization, and their industrial applications. Moreover, this review is intended to provide a comprehensive understanding of the mechanisms behind the IL-processing of starch and to provide insights into the rational development of novel starch-based materials with ILs.

Graphical abstract: Applications of ionic liquids in starch chemistry: a review

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Article information


Submitted
02 Nov 2019
Accepted
06 Feb 2020
First published
07 Feb 2020

Green Chem., 2020, Advance Article
Article type
Tutorial Review

Applications of ionic liquids in starch chemistry: a review

F. Ren, J. Wang, F. Xie, K. Zan, S. Wang and S. Wang, Green Chem., 2020, Advance Article , DOI: 10.1039/C9GC03738A

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