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Orange disperse dye monomeric compound and preparation method and application thereof

A technology of disperse dyes and compounds, applied in the field of non-ionic dyes, which can solve the problems of ineffective printing and dyeing and meet the requirements, and achieve the effects of low cost, good reproducibility, and simple preparation process

Active Publication Date: 2016-05-11
ZHEJIANG WANFENG CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the printing effects produced by these known dyes are still not satisfactory in all cases

Method used

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  • Orange disperse dye monomeric compound and preparation method and application thereof
  • Orange disperse dye monomeric compound and preparation method and application thereof
  • Orange disperse dye monomeric compound and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The reaction equation is as follows:

[0025]

[0026] (1) Mix 17.6 g of the compound of formula (V), 40 ml of hydrogen peroxide, 23 ml of hydrobromic acid solution and 50 ml of water, and stir at room temperature for 8 hours to obtain the compound of formula (IV).

[0027] (2) Mix 15g of the compound of formula (IV), 15g of nitrosyl sulfuric acid and 45g of sulfuric acid, heat up to 30°C and stir for 2 hours. After the reaction is complete, add sulfamic acid for treatment to obtain the diazo compound shown in formula (III) liquid.

[0028] (3) Add 200g of ice to the above-mentioned diazotization solution, stir, slowly add 12g of the compound of formula (II) below 5°C, stir and react for 2 hours below 5°C, filter, wash with water, and dry to obtain 22.5g of the compound of formula (I) ) compound shown. Melting point: 195°C. H1-NMR (deuterated DMSO) spectrum see figure 1 .

Embodiment 2

[0030] Mix 40 g of the compound of formula (I) and 60 g of MF with water, grind and disperse with a grinder, and then spray dry to obtain an orange dye.

Embodiment 3

[0032] Take 2.0g of the disperse dyes prepared in Example 2, and use water to make disperse dye suspensions with a concentration of 2g / L, mix 2ml with 8ml of water, adjust the pH of the dyeing bath to 5 with acetic acid, and then heat up to 60°C , and at the same time put 2g of the fiber materials shown in the table below for high-temperature and high-pressure dyeing, heat up to 130°C within 30 minutes, keep warm for 30 minutes, cool down, and take samples. Check the infection rate. And test the rubbing resistance, washing resistance, sunlight resistance and sublimation fastness of Example 2 respectively according to the relevant provisions of the national standard.

[0033] As shown in the following table, the disperse dyes prepared by the compounds of the present invention are significantly better than the prior art in fastness to rubbing, washing, sunlight and sublimation.

[0034] Table 1

[0035]

[0036] Table 2

[0037]

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Abstract

The invention relates to an orange disperse dye monomeric compound and a preparation method and application thereof. The structure of the compound is shown as a formula I (please see the formula in the description). The preparation method comprises the steps of diazotization and a coupling reaction. The compound is applied to preparation of the disperse dye alone or composited into a dye composition with other dye monomers to prepare the disperse dye. The compound is simple in preparation technology and low in cost and has the advantages of being good in repeatability and resisting washing, rubbing, sun shining and sublimating.

Description

technical field [0001] The invention belongs to the field of nonionic dyes, in particular to an orange disperse dye monomer compound and its preparation method and application. Background technique [0002] Disperse dyes are a class of non-ionic dyes with low water solubility. Disperse dyes were first used in the dyeing of acetate fibers, known as acetate dyes. With the development of synthetic fibers, nylon and polyester have appeared one after another, especially polyester, because of its high alignment, less fiber voids, and strong hydrophobicity. The fiber needs to be swollen under high temperature and hot melting, so that the dye can enter the fiber and be dyed. With the development of synthetic fibers, people have also put forward new requirements for dyes. The previous dyes have application defects, such as low dyeing rate and unacceptable fastness. In order to improve the fastness of dyes such as washing, various new dyes have been developed. [0003] Patents WO9...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09B29/09C09B67/38C09B67/36D06P1/18D06P3/60D06P3/26D06P3/54D06P3/14D06P3/72
CPCC09B29/0816C09B67/0079C09B67/008D06P1/18D06P3/143D06P3/26D06P3/54D06P3/6033D06P3/72
Inventor 俞杏英姚晨华
Owner ZHEJIANG WANFENG CHEM
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