Dissolution and processing of cellulose using ionic liquids

Details Dissolution and processing of cellulose using ionic liquids Dissolution and processing of cellulose using ionic liquids

C - Chemistry, Metallurgy

08

L

C08L 1/02 (2006.01) C08B 1/00 (2006.01) C08B 16/00 (2006.01) C08J 3/11 (2006.01) C08J 3/28 (2006.01)

Patent

CA 2462460

Cellulose is dissolved in an ionic liquid without derivatization, and is regenerated in a range of structural forms without requiring the use of harmful or volatile organic solvents. Cellulose solubility and the solution properties can be controlled by the selection of the ionic liquid constituents, with small cations and halide or pseudohalide anions favoring solution.

On dissout de la cellulose dans un liquide ionique sans dérivatisation et on régénère cette cellulose dans une gamme de formes structurelles sans recourir à des solvants organiques nocifs ou volatils. On peut maîtriser la solubilité de la cellulose et les propriétés de solution en sélectionnant les constituants liquides ioniques avec une solution qui favorise des petits cations et l'halogénure ou des anions pseudohalogénés.

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