Disperse blue-to-black dye composition, dye product and application of dye product

The invention discloses a disperse blue-to-black dye composition which comprises a component A, a component B and a component C, wherein the component A is selected from at least one of compounds represented by a formula (I), the component B is selected from at least one of compounds represented by a formula (II), and the component C is selected from at least one of compounds represented by a formula (III). The disperse blue-to-black dye composition provided by the invention has the characteristics of excellent friction resistance, washing resistance, sublimation fastness and the like when being applied to dyeing or printing of hydrophobic fiber materials. 本发明公开了一种分散蓝至黑色染料组合物，包含组分A、组分B和组分C，其中组分A选自式(Ⅰ)所示化合物中的至少一种，组分B选自式(Ⅱ)所示化合物中的至少一种，组分C选自式(Ⅲ)所示化合物中的至少一种。本发明提供的分散蓝至黑色染料组合物，应用于疏水性纤维材料染色或印花时，具有耐摩擦、耐水洗和耐升华牢度优异等特点。