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Water-soluble dye and preparation method and application thereof

A technology of water-soluble dyes and nanomaterials, applied in the preparation of azo dyes, dyeing methods, azo dyes, etc., can solve the problems of poor color fastness to heat and light, low chemical stability, etc.

Active Publication Date: 2012-02-01
上海汇友精密化学品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The main problem to be solved by the present invention is that the existing triazine-type direct dyes have poor heat and light color fastness and low chemical stability, and a water-soluble dye is provided for this problem

Method used

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  • Water-soluble dye and preparation method and application thereof
  • Water-soluble dye and preparation method and application thereof
  • Water-soluble dye and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0135] Embodiment 1 (with the first kind of preparation general formula 1. the synthetic method of water-soluble dyestuff (with reference to figure 1 Left side reaction route) preparation product 1)

[0136] a) Add 20g of water, 0.4g of wetting agent and 30g of ice into a 500mL reaction bottle, control the temperature at -5-5°C with an ice-salt bath, and stir rapidly; then add 9.6g of cyanuric chloride, and stir rapidly for 30 minutes , grind cyanuric chloride in ice-water mixture to obtain cyanuric chloride solution, control the temperature at -5~5°C; Mix the cyanuric chloride solution evenly;

[0137] b) Add 27.5g of water and 1.8g of NaHCO to a 100mL beaker 3 and 15.9g of 1-amino-8-naphthol-3,6-disulfonic acid of formula ②, stir well; then add NaHCO carefully 3 Adjust the pH to 6.5-7.5, stir until the 1-amino-8-naphthol-3,6-disulfonic acid of formula ② is completely dissolved, add a small amount of defoamer to defoam; add 20g of ice to it and cool down to 0~ 5 DEG C, ob...

Embodiment 2-14

[0155] As in Example 1, all the other steps are the same, and the p-aminobenzenesulfonic acid in step h) is replaced with m-aminobenzenesulfonic acid, anthranilic acid, aniline, p-phenylenediamine, 2,5-disulfonic acid aniline, 2,5-Diaminobenzenesulfonic acid, aminomethanesulfonic acid, glycine, ammonia water, ethanolamine or diethanolamine, can obtain the water-soluble dye products 2-14 with the general formula ①, see Table 1 for details. Selectively list the liquid color difference of several products as follows:

[0156] Dye name Liquid color difference Remarks

[0157] D. L Da Db D C D. E D. H

[0158] Water-soluble dye 2 than standard sample blue

[0159] -0.315 -0.379 -1.016 -0.112 1.129 -1.079

[0160] D. L Da Db D C D. E D. H

[0161] Water-soluble dye 3 than standard sample blue

[0162] -0.267 -0.284 -0.970 -0.033 1.045 -1.010

[0163] D. L D...

Embodiment 15

[0172] Embodiment 15 (use the synthetic method of the 4th kind of preparation general formula ① water-soluble dyestuff)

[0173] Add 20g of water, 0.4g of wetting agent and 30g of ice into a 500mL reaction bottle, control the temperature at -5~5°C with an ice-salt bath, and stir rapidly; then add 9.6g of cyanuric chloride, stir rapidly for 30 minutes, and Grind cyanuric chloride in the water mixture, and control the temperature at -5~5°C;

[0174] In a 100mL beaker, add 27.5g water, 1.8g NaHCO 3and 15.9g of 1-amino-8-naphthol-3,6-disulfonic acid of formula ②, stir well; then add NaHCO carefully 3 Adjust the pH to 6.5-7.5, stir until the 1-amino-8-naphthol-3,6-disulfonic acid of formula ② is completely dissolved, add a small amount of defoamer to defoam; add 20g of ice to it and cool down to 0~ 5°C; then add 0.70g rutile nano-titanium oxide and cyanuric chloride solution and mix evenly;

[0175] Add the 1-amino-8-naphthol-3,6-disulfonic acid solution of the above-mentioned p...

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Abstract

The invention discloses water-soluble dye with the general formula (1) shown in the description. The water-soluble dye can be prepared into a powder shape, a liquid state dissolved into water or a liquid state dissolved in alcohol solvents, or can be separated used or mixed with other dyes to use. The water-soluble dye containing the general formula (1) can be used for dyeing and printing cotton, mucilage glue, silk, linen, synthetic fiber, blended fabric and the like or can be widely used for coloring leather, paper and wood. Compared with conditions of general X-type and K-type reactive dye, the water-soluble dye has the advantages that a dyeing material with higher luster and excellent color fastness can be obtained, the stability of the dye is greatly improved, the application range of the dye is widened and the varieties of the dye are enriched. The water-soluble dye with the general formula (1) can be also used for preparing ink-jet printing ink. The invention also discloses a plurality of preparation methods for the water-soluble dye.

Description

technical field [0001] The invention belongs to the technical field of dyes, and relates to a water-soluble dye, which can not only be used for dyeing and printing of cotton, viscose, silk, linen, synthetic fibers and blended fabrics, but also widely used in leather, paper and The coloring of wood can also be used as ink-jet printing ink and applied in ink-jet printing technology, and the invention also introduces the preparation method of the water-soluble dye. Background technique [0002] Direct dyes or reactive dyes have many varieties, complete chromatograms, bright colors, low prices, easy color matching, simple dyeing or printing methods, and wide uses. They are one of the most important dye categories in the dye industry. But the biggest disadvantage is that the color fastness of most of these dyes is not ideal, the color fixing rate is low, the weather resistance is poor, and it is easy to decompose under the action of the external environment, causing the dyed obje...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09B29/28C09B43/40D06P1/04D06P3/60C09D11/02D21H19/38B27K5/02C09D11/328
Inventor 黄胜梅俞伯洪郭立俭
Owner 上海汇友精密化学品有限公司
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