Dye bath and method for reactive dyeing

Bleaching and dyeing; fluid treatment and chemical modification – Reactive dye composition – process – or product – Alkylene sulfato – halotriazine – halodiazine,...

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8584, 8597, 8600, 8685, D06P 1382, D06P 1384

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active

058400842

ABSTRACT:
A phosphate-free and silicate-free aqueous alkali composition consisting essentially of water, a water soluble base selected from the group consisting essentially of alkali metal hydroxide, alkali metal carbonate and mixtures thereof, wherein the base is present in an amount sufficient to yield a composition pH of about 11 to about 12 at a composition concentration of about 0.1 wt % to about 1 wt % in a dye bath, and an aminopolycarboxylate sequestrant in an amount sufficient to sequester metal ion impurities and prevent destructive reactive dye hydrolysis when the composition is used to dye fabric in the presence of reactive dye and metal ion impurities. Also disclosed is a dye bath containing the composition and a method of using the composition in reactive dyeing.

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