A Concise Review on the Physicochemical Properties of Biopolymer Blends Prepared in Ionic Liquids

An enhancement of environmental concern lately has improved the awareness of researchers in employing eco-friendly solvents for processing biopolymers. Recently, ionic liquids have been utilized to prepare biopolymer blends as they are non-volatile and recyclable. Biopolymers such as cellulose, chit...

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Published inMolecules (Basel, Switzerland) Vol. 26; no. 1; p. 216
Main Authors Shamsuri, Ahmad Adlie, Abdan, Khalina, Kaneko, Tatsuo
Format Journal Article
LanguageEnglish
Published Switzerland MDPI AG 04.01.2021
MDPI
Subjects
Anions
Bioplastics
biopolymer
Biopolymers
Biopolymers - chemistry
blend
Cations
Cellulose
Chemical bonds
Chemical Phenomena
Chitin
Chitosan
Chloride
Coagulation
Environmental perception
Fourier transforms
Hydrogen
imidazolium
ionic liquid
Ionic liquids
Ionic Liquids - chemistry
Ions
Keratin
Lignin
Mixtures
Molecular weight
physicochemical
Physicochemical properties
Polymer blends
Polymers
Polypeptides
Polysaccharides
Potassium
Review
Silk
Solvents
Solvents - chemistry
Starch
Viscosity
Zein
ionic liquid
imidazolium
biopolymer
blend
physicochemical
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Summary:An enhancement of environmental concern lately has improved the awareness of researchers in employing eco-friendly solvents for processing biopolymers. Recently, ionic liquids have been utilized to prepare biopolymer blends as they are non-volatile and recyclable. Biopolymers such as cellulose, chitin, chitosan, keratin, lignin, silk, starch, and zein are widely used for the preparation of biopolymer blends via dissolution in ionic liquids, followed by coagulation procedure. In this concise review, three types of ionic liquids based on imidazolium cations combined with different counter anions that are frequently utilized to prepare biopolymer blends are described. Moreover, three types of biopolymer blends that are prepared in ionic liquids were classified, specifically polysaccharide/polysaccharide blends, polysaccharide/polypeptide blends, and polysaccharide/bioplastic blends. The physicochemical properties of biopolymer blends prepared in different imidazolium-based ionic liquids are also concisely reviewed. This paper may assist the researchers in the polymer blend area and generate fresh ideas for future research.
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ISSN:1420-3049
1420-3049
DOI:10.3390/molecules26010216