Methods for modifying biopolymers in ionic liquids

Details Methods for modifying biopolymers in ionic liquids Methods for modifying biopolymers in ionic liquids

C - Chemistry, Metallurgy

08

B

C08B 31/06 (2006.01) C08B 37/00 (2006.01) C11D 3/22 (2006.01)

Patent

CA 2644232

Sulfation or sulfonation of biopolymers such as starch, chitosan, dextrins, gums and the like is conducted in an ionic liquid such as a quaternary ammonium salt. Detergent compositions containing the sulfated or sulfonated reaction product are suitable for fabric cleansing.

L'invention concerne la sulfatation et la sulfonation de biopolymères tels que l'amidon, le chitosane, des dextrines, des gommes et similaires effectuées dans un liquide ionique tel qu'un sel d'ammonium quaternaire. Des compositions détergentes comprenant le produit de réaction sulfaté ou sulfoné sont appropriées pour le nettoyage de tissus.

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