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A kind of alkali-resistant disperse blue dye, its compound mixture and preparation method thereof

A technology of disperse dyes and disperse blue, applied in azo dyes, organic dyes, monoazo dyes, etc., can solve the problems of high pollution of dyeing waste liquid, non-compliance with energy saving and emission reduction, high cost, and reduce energy consumption and pollution. , The effect of excellent fastness and high improvement

Active Publication Date: 2018-01-05
烟台澳土复合材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional disperse blue dye preparation and use process dyeing waste liquid has high pollution, high energy consumption and high cost, which does not conform to the development concept of energy saving, emission reduction and green environmental protection. Therefore, the research on a cost-saving, pollution-reducing, alkali-resistant disperse dye has become Problems to be solved

Method used

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  • A kind of alkali-resistant disperse blue dye, its compound mixture and preparation method thereof
  • A kind of alkali-resistant disperse blue dye, its compound mixture and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Add 44g of concentrated sulfuric acid with a mass concentration of 90-98% in the reaction three-necked flask, add 13g of 3-amino-5 nitrobenzisothiazole under stirring, maintain the temperature at 45-50°C, and keep it warm for 1.0 hour to make 3-amino-5 nitro Dissolve all the benzisothiazole until clear; add ice to cool down to 24°C, start adding 21.5g of nitrosylsulfuric acid dropwise, and use ice during the dropwise addition to ensure that the temperature of the material in the reactor remains at 15-20°C; take 1.5-2.0 hours After adding nitrosyl sulfuric acid, keep warm for another 3 hours, and the temperature is still controlled at 15-20°C; before the end of the diazonium reaction, do an end point test; after the test is passed, it will be a diazonium solution, ready to discharge.

[0022] While waiting for the diazo insulation reaction, use a 1000mL three-necked bottle for coupling, and prepare emulsifier OP-10 into a solution with a mass concentration of 10% for late...

Embodiment 2

[0025] Add 40 g of concentrated sulfuric acid with a mass concentration of 90-98% in the reaction three-necked flask, add 10 g of 3-amino-5 nitrobenzisothiazole under stirring, maintain the temperature at 45-50 ° C, and keep it warm for 1.0 hour to make 3-amino-5 nitro All benzisothiazole was dissolved until clear. Add ice to cool down to 24°C, start to add 20 g of nitrosyl sulfuric acid dropwise, and use ice to ensure that the temperature of the material in the reactor is maintained at 10-15°C during the dropwise addition. It takes 1.5-2.0 hours to finish adding nitrosyl sulfuric acid, and then keep it warm for 5 hours, and the temperature is still controlled at 10-15°C. Before the end of the diazonium reaction, do the end point detection. After passing the test, it is diazo liquid, ready to discharge.

[0026] While waiting for the diazo insulation reaction, use a 1000mL three-necked bottle for coupling, and prepare emulsifier OP-10 into a solution with a mass concentratio...

Embodiment 3

[0029] Add 50 g of concentrated sulfuric acid with a mass concentration of 90-98% in the reaction three-necked flask, add 15 g of 3-amino-5 nitrobenzisothiazole under stirring, maintain the temperature at 45-50 ° C, and keep it warm for 1 hour to make 3-amino-5 nitro All benzisothiazole was dissolved until clear. Add ice to cool down to 24°C, and start to add 25 g of nitrosylsulfuric acid dropwise. It takes 1.5-2.0 hours to finish adding the nitrosyl sulfuric acid, and then keep the temperature for 4 hours, and the temperature is still controlled at 15-20°C. Before the end of the diazonium reaction, do the end point detection. After passing the test, it is diazo liquid, ready to discharge.

[0030]While waiting for the diazo insulation reaction, use a 1000mL three-necked bottle for coupling, and prepare emulsifier OP-10 into a solution with a mass concentration of 10% for later use. Add 240g of water, 10g of emulsifier OP-10 solution with a mass concentration of 10%, and 0....

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Abstract

The invention discloses an alkali-resistant disperse blue dye, its compound mixture and a preparation method thereof. This alkali-resistant disperse blue dye is a structure made by diazotizing 3-amino-5-nitrobenzisothiazole with nitrosylsulfuric acid, and then reacting with meta-ortho-substituted-N-substituted aniline emulsion Be the compound shown in structural formula (I). The alkali-resistant disperse blue dye involved in the present invention is green and environmentally friendly in the production process. It has been verified that it can be applied to the dyeing of polyester, nylon, spandex and other hydrophobic fibers and their blended fabrics. It has bright luster and can replace disperse blue 165 and disperse blue dyes. Blue 56; and by compounding with azo-type disperse dyes and anthraquinone-type disperse dyes in different proportions, it can achieve the effect of adjusting dye shade and synergizing to meet the needs of different application conditions. Simultaneously, the dyestuff of the present invention has high liftability, excellent fastness to water washing, sun exposure, sublimation, etc., excellent comprehensive performance, and has broad application prospects.

Description

Technical field: [0001] The invention relates to a strong alkali-resistant disperse blue dye, its compound mixture and a preparation method thereof, belonging to the technical field of new materials. Background technique: [0002] Disperse dyes are a class of non-ionic dyes with low water solubility. They were first used in the dyeing of acetate fibers and are called 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, it is necessary to expand the fiber with a carrier or under high temperature and thermal melting, so that the dye can enter Fiber and dyed. Therefore, dyes need to have better hydrophobicity, certain dispersibility and resistance to sublimation, etc. Disperse dyes have small molecules and no water-soluble groups in their structure. They can be dyed by uniformly dispersing in the dye solution with the help of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09B29/08C09B29/039C09B67/22C09B67/38
CPCC09B29/0081C09B29/0836C09B67/0051
Inventor 邓亚军邢国秀刘诗丽
Owner 烟台澳土复合材料有限公司
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