Method for the manufacture of carboxyalkylinulin

Details Method for the manufacture of carboxyalkylinulin Method for the manufacture of carboxyalkylinulin

C - Chemistry, Metallurgy

08

B

C08B 37/18 (2006.01)

Patent

CA 2555205

A method for the manufacture of carboxyalkylinulin is disclosed comprising preparing an aqueous medium containing dispersed therein a halogenoalkylcarboxylate, adding to the carboxylate containing medium, under substantially neutral pH conditions, an inulin followed by heating this mixture to a temperature in the range of from 60 ~C to 90 ~C and proceeding with the reaction at alkaline conditions, pH 8-12, while simultaneously adding additional halogenoalkylcarboxylate and alkalihydroxide. The carboxyalkylinulin so formed is recovered in a manner known per sé.

L'invention concerne une méthode de fabrication de carboxyalkylinuline. Cette méthode consiste à préparer un milieu aqueux contenant un halogénoalkylcarboxylate dispersé dans ce milieu, à ajouter, à ce milieu contenant du carboxylate, dans des conditions de pH sensiblement neutre, une inuline, puis à chauffer ce mélange à une température comprise entre 60 ·C et 90 ·C, puis à effectuer la réaction dans des conditions alcalines, pH compris entre 8 et 12, tout en ajoutant simultanément un halogénoalkylcarboxylate et un alkalihydroxyde supplémentaires. Le carboxyalkylinuline ainsi formé est extrait de manière classique.

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