METHOD FOR PRODUCTION OF ANTIMICROBIAL SILVER-CONTAINING CELLULOSE MATERIAL Russian patent published in 2017 - IPC D06B1/00 B82B3/00 

FIELD: textile, paper.

SUBSTANCE: method for the production of an antimicrobial silver-containing cellulosic material is claimed, comprising the treatment of a cellulose-containing material with a previously prepared aqueous dispersion of silver particles, followed by dehydration and drying. Wherein the dispersion of silver nanoparticles with the silver concentration from 0.006 wt % to 0.06 wt % contains preparations not reducing the aggregative stability of the silver particles, namely, gelatine, a cation-active polyelectrolyte, e.g. chlorhexidine, miramistin, a preparation based on polyhexamethylenguanidine hydrochloride or quaternary ammonium compounds, and a reductant, e.g. sodium tetrahydroborate or alkaline solutions of starch. In addition, the aqueous dispersion of the silver particles may contain a film-forming compound, for example PVA, PVS.

EFFECT: increasing the efficiency of producing an antimicrobial cellulosic silver-containing material and ensuring its high biological activity during long operation after humid-heat treatments.

6 cl, 2 tbl, 26 ex