METHOD FOR DYEING OF COTTON MATERIALS Russian patent published in 2021 - IPC D06B1/00 

Abstract RU 2743438 C1

FIELD: textile and paper.

SUBSTANCE: invention relates to textile industry, in particular, to methods for dyeing of cotton materials. Method of dyeing cotton materials is as follows. White color white cloth sample is placed in a metal bath at temperature of 300 K and cooled to temperature of 100 K at rate of 3 K/min in a non-uniform temperature field, then placed in an environment of anion chromophore water-soluble dyes (direct, active, acidic, etc.) until their complete selection from the metal bath, after which the sample is washed with distilled water and dried to temperature of 300 K.

EFFECT: invention allows intensifying the dyeing process, increasing the dye selectivity, increasing the color intensity while maintaining the resistance to physical and mechanical effects.

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RU 2 743 438 C1

Authors

Matveev Nikolaj Nikolaevich

Drapalyuk Mikhail Valentinovich

Kiselev Aleksandr Mikhajlovich

Dates

2021-02-18Published

2020-08-03Filed