REACTIVE BLACK DYE COMPOSITION COMPRISING VINYLSULFONATE GROUP -CONTAINING BLACK DYE COMPOUND AND DYE COMPOUND FOR CONTROLLING CHROMATICITY

摘要

PURPOSE: Provided is a reactive black dye composition, which shows excellent discharge dyeing property and resist dyeing property when used in dip dyeing and printing of cellulose fibers, rayon fibers, etc. CONSTITUTION: The reactive black dye composition comprises a black dye compound represented by the following formula 1, and further comprises a scarlet dye compound represented by the following formula 10 and at least one compound selected from the group consisting of compounds represented by the following formulae 11 and 12. In formula 1, X is an alkali-isolatable group and M is H or a metal having the same valence. In formulae 10-12, each of R1 and R2 is H, methyl or methoxy; R3 is acetyl, propionyl, phenyl or benzoyl; each of M and X is the same as defined above; R4 is H or amide group; n is 0 or 1; and Q1 is a functional group having an aromatic ring based on benzene or naphthalene.