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Distillable Acid–Base Conjugate Ionic Liquids for Cellulose Dissolution and Processing
Author(s) -
King Alistair W. T.,
Asikkala Janne,
Mutikainen Ilpo,
Järvi Paula,
Kilpeläinen Ilkka
Publication year - 2011
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201100274
Subject(s) - ionic liquid , dissolution , conjugate , cellulose , distillation , base (topology) , chemistry , vapor pressure , combinatorial chemistry , computer science , process engineering , chemical engineering , organic chemistry , catalysis , mathematics , engineering , mathematical analysis
Heating up : Improved recyclability is necessary for ionic liquids destined for wood‐based bioprocessing platforms. New “distillable” molten acid–base conjugates efficiently dissolve cellulose at temperatures of 100 °C. Increased temperature induces a shift of the acid–base equilibrium toward the neutral species (see picture, TMG=1,1,3,3‐tetramethylguanidine), thus affording a vapor pressure and allowing for distillation of the mixture.
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