MIXTURES OF REACTIVE DYES AND THEIR USE IN A METHOD OF DI- OR TRICHROMATIC DYEING OR PRINTING

摘要

At least one blue dye of formula (1); And at least one sulfur-dyeing or red-dyeing reactive dye is suitable for two- or three-color dyeing or printing, in particular natural or synthetic polyamide fiber materials, of dyeing materials having good reproducibility and good overall fastness properties Or prints. [Chemical Formula 1] In Formula 1, Q ₁ represents a divalent radical of formula (4a), (4b) or (4c) [Chemical Formula 4a] (4b) [Chemical Formula 4c] X ₁ represents chlorine or fluorine, R ₁ is hydrogen or C ₁ -C ₈ alkyl, R ₂ is hydrogen, C ₁ -C ₈ alkyl, C ₁ -C ₄ alkoxy or sulfo, Y ₁ is vinyl or a -CH ₂ -CH ₂ -U radical, wherein U is a leaving group removable under alkaline conditions, R ₃ is hydrogen or C ₁ -C ₈ alkyl unsubstituted or substituted by hydroxy, sulfo, sulfato, cyano, carboxy, C ₁ -C ₄ alkoxy or phenyl, r and s are each, independently of one another, a number 0 or 1, t is the number 0, 1 or 2, The sum of r, s and t is 2 or 3.