| 摘要 |
PURPOSE: A reactive yellow azo dye composition is provided, which shows good color yield and reproducibility and is improved in the various fastness, the build-up property and the compatibility with the same small amount of a dye. CONSTITUTION: The reactive yellow azo dye composition comprises 1-50 wt% of a compound represented by the formula I; and 50-99 wt% of a compound represented by the formula II, wherein R1, R2, R3, R4 and R5 are independent each another and are H, methyl group, SO3M(wherein M is H, Na, Li or K) or methoxy group; and Y1, Y2 and Y3 are independent each another and are vinyl group or sulfatoethyl group.
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