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Dissolution and processing of cellulose using ionic liquids, cellulose solution, and regenerating cellulose.

Richard P. Swatloski, Robin Don Rogers, John D. Holbrey

Abstract

Cellulose is dissolved in an ionic liq. without derivatization, and is regenerated in a range of structural forms without requiring the use of harmful or volatile org. solvents. Cellulose soly. and the soln. properties can be controlled by the selection of the ionic liq. constituents, with small cations and halide or pseudohalide anions favoring soln.; dissoln. can be aided by irradn. An ionic liq., [C4mim]Cl, proved to be the best for dissolving cellulose. [on SciFinder(R)]

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Key concepts: Cellulose, Dissolution, Ionic liquid, Chemistry, Chemical engineering, Polymer chemistry, Materials science, Polymer science