FIELD: medicine, pharmaceutics.
SUBSTANCE: invention refers to chitosan carboxyalkylamide hydrogel and may be used for cosmetic and dermatological treatment of skin burns. Chitosan carboxyalkylamide hydrogel of pH close to that of skin and making 6.5 to 7.2 contains 40 to 90 mole % of the groups of N-carboxyalkylaminde D-glucosamine of formula (I) 
wherein n represents an integer 1 to 8, 60 to 10 mole % of the protic groups of D-glucosamine, and 5 to 15 mole % of the groups of N-acetyl-D-glucosamine. A method for preparing said hydrogel involves preparing an acid solution of chitosan of a degree of acetylation of 85 to 95%, providing a reaction of produced additive chitosan salt in an aqueous solution of diorganic acid and correcting pH of the prepared solution.
EFFECT: preparing the anhydrous product of chitosan carboxyalkylamide prepared by hydrogel dehydration.
12 cl, 1 dwg
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