FIELD: impregnation of fabrics. SUBSTANCE: an aqueous cationic polyether urethane dispersion obtained by reaction of an isocyanate prepolymer with oxypropylated diethylene triamine followed by dispersing the resulting compound in an aqueous acid solution is treated with silicon dioxide hydrosol in an amount of 0.1-3.0% based on the weight of the dispersion. EFFECT: more efficient modification process. 1 tbl
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