Journal Article10.1021/MA0505676
1-Allyl-3-methylimidazolium chloride room temperature ionic liquid: A new and powerful nonderivatizing solvent for cellulose
1.4K
TL;DR: In this paper, a new and highly efficient direct solvent, 1-allyl-3methylimidazolium chloride (AMIMCl), has been used for the dissolution and regeneration of cellulose.
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Abstract: A new and highly efficient direct solvent, 1-allyl-3-methylimidazolium chloride (AMIMCl), has been used for the dissolution and regeneration of cellulose. The cellulose samples without any pretreatment were readily dissolved in AMIMCl. The regenerated cellulose materials prepared by coagulation in water exhibited a good mechanical property. Because of its thermostable and nonvolatile nature, AMIMCl was easily recycled. Therefore, a novel and nonpolluting process for the manufacture of regenerated cellulose materials using AMIMCl has been developed in this work.
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Citations
Ultrasound-assisted dissolution of cellulose in ionic liquid
TL;DR: In this article, an ultrasonic assisted dissolution of cellulose was performed in ionic liquid 1-butyl-3-methylimidazolium chloride (C 4 mim]Cl).
167
Development of micro- and nano-porous composite materials by processing cellulose with ionic liquids and supercritical CO2
Costas Tsioptsias,Apostolis Stefopoulos,Ioannis Kokkinomalis,Lambrini Papadopoulou,Costas Panayiotou +4 more
TL;DR: In this paper, three lines of green chemistry were combined in order to produce porous materials with pore size distributions in the micro and nano-scales: renewable and biodegradable sources (cellulose), ionic liquids, and supercritical fluids.
166
Characterization of cellulose fibers electrospun using ionic liquid
TL;DR: In this article, nonwoven cellulose fibers were obtained by electrospinning of cellulose in an ionic liquid, 1-butyl-3-methylinmidazolium chloride (BMIMCl), which is known to be one of the nonvolatile solvents.
164
Ionic liquids: Media for starch dissolution, plasticization and modification
TL;DR: A growing interest in applying ionic liquids as polysaccharide solvent has been observed as discussed by the authors, and the influence of ionic liquid on native starch structure has been described, and the first synthetic review of various chemical modifications of starch as well as starch plasticization using ionic fluids has been reported.
162
Biotransformation of wheat straw to bacterial cellulose and its mechanism.
TL;DR: The hydrolytic efficiency of regenerated straw increased obviously as compared to untreated materials, and the sugar yield of straw was 71.2% after pretreatment in [AMIM]Cl at 110 °C for 1.5 h with a 3 w/w% straw dosage, three times higher than that of untreated straw.
161
References
Dissolution of Cellose with Ionic Liquids
TL;DR: In this paper, the authors demonstrate that cellulose can be dissolved without activation or pretreatment in, and regenerated from, 1-butyl-3-methylimidazolium chloride and other hydrophilic ionic liquids.
Characterization and comparison of hydrophilic and hydrophobic room temperature ionic liquids incorporating the imidazolium cation
Jonathan G. Huddleston,Ann E. Visser,W. Matthew Reichert,Heather D. Willauer,Grant A. Broker,Robin D. Rogers +5 more
TL;DR: A series of hydrophilic and hydrophobic 1-alkyl-3-methylimidazolium room temperature ionic liquids (RTILs) have been prepared and characterized to determine how water content, density, viscosity, surface tension, melting point, and thermal stability are affected by changes in alkyl chain length and anion.
3.7K
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1.1K
Controlling the aqueous miscibility of ionic liquids: aqueous biphasic systems of water-miscible ionic liquids and water-structuring salts for recycle, metathesis, and separations.
Keith E. Gutowski,Grant A. Broker,Heather D. Willauer,Jonathan G. Huddleston,Richard P. Swatloski,John D. Holbrey,Robin D. Rogers +6 more
TL;DR: Hydrophilic ionic liquids can be salted-out and concentrated from aqueous solution upon addition of kosmotropic salts forming aqueously biphasic systems as illustrated by the phase behavior of mixtures of 1-butyl-3-methylimidazolium chloride and K3PO4.
1K
Unconventional methods in cellulose functionalization
TL;DR: In this paper, a review of synthesis pathways for the preparation of unconventional cellulose derivatives with alternative functional groups and patterns of functionalization is given. But the authors focus on the application of NMR spectroscopy including two-dimensional methods and of chromatographic techniques after specific sample pretreatment as enzymatic and acidic partial or complete depolymerization.
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