A REACTIVE NAVY TO BLACK DYE COMPOSITION AND DYE PRODUCT THEREOF

摘要

A reactive navy to black dye composition comprises component A and component B, wherein component A is selected from one or more compounds of formula (I), component B is selected from one or more compounds of formula (II); D¹ and D² are each independently a group represented by the following formula (a) or (b) or (c); R¹-R′² are each independently selected from the group consisting of H, linear or branched C₁˜C₄ alkyl, C₁˜C₄ alkoxy and sulfo; m, n=0-3, and every R³ is each independently selected from the group consisting of amino, sulfo, ureido, C₁˜C₄ alkanoylamino, C₁˜C₄ alkoxy and C₁˜C₄ alkyl, every R⁶ is each independently selected from the group consisting of amino, hydroxyl and sulfo; X¹-X³ are each independently selected from the group consisting of H, C₁˜C₄ alkyl, C₁˜C₄ alkoxy, —SO₂Y¹, —NHCO(CH₂)_pSO₂Y² and —CONH(CH₂)_qSO₂Y³, and at least one of D¹ and D² contains a fiber-reactive group, p, q=1-3, and Y¹˜Y⁵ are each independently selected from the group consisting of —CH═CH₂, —C₂H₄OSO₃H and —CH₂CH₂Cl. A reactive navy to black dye product comprising the dye composition, has the properties of good washing fastness, high degree of fixation and dye-uptake, good build-up, clear remanent dyeing liquor, and the like.;