TEXTILE DYEING PROCESS Russian patent published in 2003 - IPC

FIELD: textile industry. SUBSTANCE: dyeing of textiles made predominantly from wool, polyamides, wool/polyamide combinations, and real silk is performed by treating material in dye bath, preferably for 120-160 min, with solution containing acid dyes, acidic metal complex dyes, and active dyes at 75-80 C using, as dyeing intensifier, redox system hydrogen peroxide/propane-1,2,3-triol or hydrogen peroxide/hexamethylenetetramine, or hydrogen peroxide/polyoxymethylene composed at weight ratio 1:1 or 3:1, respectively, and at concentration of dyeing intensifier 0.0075-0.015 mole/l. EFFECT: improved processibility of dyeing process due to lowered dyeing temperature, improved dyeing quality, and reduced shrinkage of material. 3 cl, 1 tbl, 25 ex