Chitosan preparation

Details Chitosan preparation Chitosan preparation

C - Chemistry, Metallurgy

08

B

C08B 37/00 (2006.01) C08B 37/08 (2006.01)

Patent

CA 2455777

The invention provides a process for the preparation of chitosan which process comprises swelling particulate chitin with an aqueous solution for a period of at least 36 hours, and subsequently reacting the resultant swollen particulate chitin with an alkaline solution at an elevated temperature whereby to cause deacetylation to occur.

Procédé de préparation de chitosane qui consiste à faire gonfler de la chitine particulaire dans une solution aqueuse pendant une période d'au moins 36 heures, puis à mettre en réaction la chitine particulaire gonflée résultante avec une solution alcaline à une température élevée, ce qui provoque la désacétylation.

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