Low-temperature environmental-friendly saving-type disperse dye

Abstract

The invention discloses a low-temperature environmental-friendly saving-type disperse dye, relates to a yellow composite disperse dye, and relates to dyes and inorganic salt compositions of quinolines, monoazo and the like. The low-temperature environmental-friendly saving-type disperse dye comprises the following components in percentage by weight: 0.1-50% of a dye monomer A as shown in formula (I), 0.1-50% of a dye monomer B as shown in formula (II), 5-90% of an inorganic salt monomer C as shown in formula (III), and aids. The low-temperature environmental-friendly saving-type disperse dye disclosed by the invention is suitable for dyeing polyester materials and vinegar materials, is relatively good in base resistance, excellent in light fastness, high in coloring property, bright in colored light, relatively good in covering power, dyeing uniformity, lifting property and absorption purification property, is a main dye for medium-light colors, can be used as single colors and relatively well matched with disperse red 3B (or FB) and disperse blue 2BLN as well, the amount of a dyeing promoter is reduced, the use amount of the disperse aids is reduced, the production cost is lowered, and COD (Chemical Oxygen Demands) in later treatment can be reduced.

Description

technical field [0001] The invention relates to a composite disperse dye, especially a yellow disperse dye. Background technique [0002] Disperse dyes are non-ionic dyes with low water solubility and strong hydrophobicity, mainly used for dyeing polyester and its blended fabrics. According to its molecular structure, it can be divided into three types: azo, anthraquinone and heterocycle. Azo disperse dyes have the advantages of perfect chromatogram, especially dark chromatogram, high color intensity, easy manufacture and good economy; although anthraquinone disperse dyes have bright color and high light fastness, their color intensity is relatively low. Low and expensive; heterocyclic disperse dyes have bright shade, high color strength, good fastness, good dark color effect, high molar extinction coefficient, and good dyeing performance. [0003] Although there are many types of yellow disperse dyes on the market for dyeing polyester materials and cellulose acetate mater...

AI Technical Summary

Problems solved by technology

At present, the mainstream old yellow RGFL substitute golden disperse dye has the problem of poor compatibility with low-temperature disperse dyes such as disperse blue 2BLN and disperse red 3B in actual use. After dyeing and printing, there is poor head and tail in jigger dyeing, and overflow dyeing is prone to occur. For this reason, a disperse dye that is similar to the shade of the old yellow RGFL and has similar dyeing performance, and has good compatibility with disperse blue 2BLN and disperse red 3B, and is an environmentally friendly and economical disperse dye

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