FIELD: polymers. SUBSTANCE: water-soluble polymer showing stable antiseptic property is produced by copolymerization of 15-20 mas. p. p. N-vinylpyrrolidone and 30-45 mas. p. p. N,N-dimethyl-N,N-diallylammonium chloride under γ-radiation at the dose 10-30 kGr in 35-55 mas. p. p. an aqueous-spirituous mixture at volume ratio alcohol : water = 1:1. Invention can be used in medicine, veterinary science, food industry as antiseptic and disinfecting agent. EFFECT: improved method of producing. 2 tbl
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