Dye composition, dye, preparation method and raw material composition of dye thereof

A technology of dye composition and raw material composition, which is applied in the direction of azo dyes, organic dyes, monoazo dyes, etc., can solve the problems of insufficient lifting power, dyeing depth and fastness, and achieve bright color, good lifting performance, Good dyeing effect

Active Publication Date: 2013-06-26
YANTAI ANOKY TEXTILE MATERIAL CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a yellow disperse dye composition, a dye containing it, a preparation method thereof and the present invention in order to overcome the shortcomings of the existing yellow disperse dyes, such as insufficient lifting power, dyeing depth and fastness. Raw material composition of dye

Method used

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  • Dye composition, dye, preparation method and raw material composition of dye thereof
  • Dye composition, dye, preparation method and raw material composition of dye thereof
  • Dye composition, dye, preparation method and raw material composition of dye thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Embodiment 1: the preparation method of dye composition

[0032] After 9.16 grams (0.05mol) of 2,4-dinitroaniline and 8.41 grams (0.05mol) of 2-nitro-4-methoxyaniline are mixed, add in 15 grams of 70% sulfuric acid (0.11mol), then in Slowly add 40% sulfuric acid solution of nitrosylsulfuric acid dropwise at 15°C to 25°C to complete the diazotization reaction (detected by TLC), and 16% by mass of N-ethyl-3-cyano -A solution of 4-methyl-6-hydroxyl-2-pyridone (18.20 grams) (add 30.6 grams of 30% sodium hydroxide solution to dissolve), and a coupling reaction occurs at 0-10 ° C, and the end point of the reaction is controlled by the permeation circle method . After the reaction, the temperature of the reaction system was raised to 65°C-75°C for 2 hours, filtered, and the product was washed with water until the pH value of the eluate was 6-7 to obtain a bright orange powder dye composition with a yield of 94.2%. The content is greater than or equal to 98% by HPLC analysis,...

Embodiment 2

[0033] Embodiment 2: the preparation method of dye composition

[0034] After 11.72 grams (0.064mol) of 2,4-dinitroaniline and 6.05 grams (0.036mol) of 2-nitro-4-methoxyaniline are mixed, add in 11 grams of 98% sulfuric acid (0.11mol), then in Slowly add 45% nitrosyl sulfuric acid dropwise at 18~22°C, and after the diazotization reaction is completed by HPLC detection, it will be mixed with N-ethyl-3-cyano-4-methyl-6-hydroxyl with a mass fraction of 12%. - A solution of 2-pyridone (17.80 g) (dissolved in 95 g of 25% sodium carbonate solution) was subjected to a coupling reaction at -5 to 5° C., and the end point of the reaction was detected by the percolation ring method. After the reaction, the temperature of the reaction system was raised to 65°C-75°C for 2 hours, filtered, and the product was washed with water until the pH value of the eluate was 6-7 to obtain a bright orange powder dye composition with a yield of 94.8%. The content is greater than or equal to 98% by HPLC ...

Embodiment 3

[0035] Embodiment 3: the preparation method of dye composition

[0036]After 4.39 grams (0.024mol) of 2,4-dinitroaniline and 12.78 grams (0.076mol) of 2-nitro-4-methoxyaniline are mixed, add in 85 grams of 70% sulfuric acid (0.61mol), then in Slowly add 20% nitrosyl sulfuric acid dropwise at 28~32°C, and after the diazotization reaction is completed by HPLC detection, it will be mixed with N-ethyl-3-cyano-4-methyl-6-hydroxyl with a mass fraction of 16%. - A solution of 2-pyridone (20.50 g) (dissolved with 38.6 g of 50% potassium hydroxide solution) was subjected to a coupling reaction at 8-15° C., and the end point of the reaction was detected by the percolation ring method. After the reaction, the temperature of the reaction system was raised to 65°C-75°C for 2 hours, filtered, and the product was washed with water until the pH value of the eluate was 6-7 to obtain a bright orange powder dye composition with a yield of 95.3%. The content is greater than or equal to 98% by HP...

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Abstract

The invention discloses a dye composition, which comprises 10-70% of formula I and 30-90% of formula II. The invention also discloses a preparation method of the dye composition, which comprises the following steps: 1) a diazotization reaction of mixed arylamine and a diazotization reagent is carried out in a sulfuric acid aqueous solution, wherein the reaction temperature is 15 DEG C-35 DEG C; and 2) a coupling reaction of the reacted product after diazotization and N-ethyl-3-cyan-4-methyl-6-hydroxy-2-pyridone can be carried out, wherein the reaction temperature is -5-15 DEG C. The invention also discloses a raw material composition of the dye, which comprises the above dye composition, an auxiliary agent and a wetting agent. The invention also discloses a preparation method of the dye, which is characterized it that the raw material composition of the dye is crushed and dispersed. The invention also discloses the dye prepared by the preparation method of the dye. The dye has brilliant colored light on fabric dyeing, good dispersing performance, and excellent dyeing depth and color fasteness.

Description

technical field [0001] The invention relates to the field of azo dyes, in particular to a dye composition, a dye containing the same, a preparation method thereof and a raw material composition of the dye. Background technique [0002] With the improvement of people's living standards and the enhancement of environmental protection awareness, more and more attention has been paid to high-performance environmentally friendly dyes. In addition to being environmentally friendly and not affecting human health, environmentally friendly dyes should also have excellent dyeing performance. In the printing and dyeing of polyester materials, bright yellow disperse dyes are widely used, whether they are single-color dyes or combined dyes. The combination of black or deep navy blue disperse dyes requires that the yellow or red light yellow disperse dyes used have excellent lifting power and dyeing depth, and have good washing, light, sublimation fastness and other properties, so the de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09B67/22C09B29/42C09B67/04
Inventor 赵敏
Owner YANTAI ANOKY TEXTILE MATERIAL CO LTD
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