Abstract
Due to its abundance and a wide range of beneficial physical and chemical properties, cellulose has become very popular in order to produce materials for various applications. This review summarizes the recent advances in the development of new cellulose materials and technologies using ionic liquids. Dissolution of cellulose in ionic liquids has been used to develop new processing technologies, cellulose functionalization methods and new cellulose materials including blends, composites, fibers and ion gels.
Highlights
Cellulose is the most abundant natural polysaccharide on earth being the main structural component of plant cell walls and some seaweed [1,2,3,4]
1-butyl-3-methylimidazolium chloride (BMIMCl) is one of the most effective ionic liquid solvents for breaking down the strong intra- and inter-molecular interactions that are present in cellulose
Use of ionic liquids in new cellulose processing and materials technologies is a topic of burgeoning interest
Summary
Cellulose is the most abundant natural polysaccharide on earth being the main structural component of plant cell walls and some seaweed [1,2,3,4]. Cellulose is formed from repetitive D-glucose units, which are linked through β(1→4)-glycosidic bonds [5] This natural polysaccharide has become one of the most used biomaterials due to its fascinating structural and physical properties and biocompatibility. A couple of years later, viscose, a new process to regenerate cellulose fibers in a larger scale, was developed. A newer technology, in comparison to viscose production, the Lyocell process, was introduced into the market during the 1980s and uses direct dissolution of cellulose to produce lyocell fibers mainly for the textile industry [10]. The extracted biomass that is obtained from all those sources contains three major components: cellulose, lignin and hemicellulose with percentages ranging from 40% to 50%, 18% to.
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