Reaction dyestuff composition and its application

Abstract

The present invention relates to a reactive dye composition. Said composition includes two azo dyes. Said invention also provides their structure formulae respectively. Said dye composition has good dissolvability, dye liquor stability and pile-on property, and is suitable for printing and dyeing various cellulose fibers of cotton, spun rayon fabric, artificial fibre, best type fibre, wool, silk and chemical fibres, etc.

Description

technical field [0001] The present invention relates to a dye composition and its application, in particular to a yellow reactive dye composition and its application to a dye developed in special textile finishing engineering. Background technique [0002] If reactive dyes are to be applied to the dyeing and printing of cellulose fibers or cellulose-containing fibers, they must have excellent performance in various properties, such as leveling, reproducibility, and solubility. (solubility) and fastness (fastness), etc. [0003] However, among the existing reactive dyes, there is a lack of golden-yellow (Golden-Yellow) dyes with good dyeing and ghosting fastness at the same time, so that it is impossible to overcome the dyeing property when dyeing light colors and matching the three primary colors. Poor and poor fastness problems. [0004] Through continuous efforts and attempts, the inventors have found that a yellow dye composition with excellent color fastness to fading ...

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Problems solved by technology

[0003] However, in the existing reactive dyes, there is a lack of golden-yellow (Golden-Yellow) dyes with good dyeing depth and excellent ghosting fastness at the same time, so that the dyeing depth cannot be overcome when dyeing light colors and matching the three primary colors. Problems of poor and poor fastness

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