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Navy blue quaternary ammonium salt bisazo chemically-reactive dyes

A technology of reactive dyes and dye compounds, applied in the direction of azo dyes, reactive dyes, organic dyes, etc., can solve the problems of chlorine bleaching resistance and oxidation bleaching resistance to be improved, can not meet the market demand, etc., to achieve excellent chlorine resistance Effects of bleaching and oxidative bleaching resistance to washing fastness, excellent dyeing depth, and high fiber/dye stability

Inactive Publication Date: 2007-07-04
ETHICAL INT WAREHOUSING TRADING SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] Because the dyeing depth, or the fastness to chlorine bleaching and oxidation bleaching resistance of the new structural dyes developed by the above research team still need to be improved, it still cannot meet the needs of the market

Method used

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  • Navy blue quaternary ammonium salt bisazo chemically-reactive dyes
  • Navy blue quaternary ammonium salt bisazo chemically-reactive dyes
  • Navy blue quaternary ammonium salt bisazo chemically-reactive dyes

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0061] Take 31.1 parts of (2-methoxyl-4-β-sulfatoethylsulfone) aniline and disperse in 150 parts of water at 0°C, add 5 parts of NaOH, adjust the pH of the above solution to 13, keep the pH value stably for 15 minutes, then use HCl aqueous solution to adjust the reaction The pH of the solution is 5-6, and 12.7 parts of nicotine acid are added to the reaction solution. Then, the temperature of the reaction solution was raised to 60° C. and kept at the temperature for 1 to 2 hours, that is, the reaction was stopped. Finally, through the commonly used NaCl salting-out, filtration and brine washing procedures, a product with the structure of the following formula (R1) is obtained.

[0062]

preparation example 2

[0064] Take 36.1 parts of 1-aminobenzene-4-(β-sulfatoethylsulfone)-2-sulfonicacid and disperse in 150 parts of water at 0°C, and add 4.5 parts of NaOH to adjust the pH of the above solution to 13, keep the pH value for 15 minutes and then use HCl The aqueous solution adjusts the pH of the reaction liquid to 5-6, and then adds 12.7 parts of nicotine acid into the reaction liquid. Then, the temperature of the reaction solution was raised to 60° C. and kept at the temperature for 1 to 2 hours, that is, the reaction was stopped. Finally, a product with the structure of the following formula (R2) is obtained through the commonly used NaCl salting-out, filtration and brine washing procedures.

[0065]

preparation example 3

[0067] Take 32.5 parts of (2-methoxyl-4-β-sulfatoethylsulfone-5-methyl)aniline and disperse in 150 parts of water at 0°C, and add 4.5 parts of NaOH, adjust the pH of the above solution to 13, keep the pH stable for 15 minutes before using HCl The aqueous solution adjusts the pH of the reaction liquid to 5-6, and then adds 12.7 parts of nicotine acid into the reaction liquid. Then, the temperature of the reaction solution was raised to 60° C. and kept at the temperature for 1 to 2 hours, and a product with the structure of the following formula (R3) was obtained through the usual procedures of NaCl salting out, filtration and brine washing.

[0068]

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Abstract

The invention relates to a novel quaternary ammonium saltdisaz navy blue reactive dyestuff. The dyestuff is characterized by high affinity and directness, ability to increase the coloring rate for dying colth, strong chlorine bleaching tolerance and antioxidant bleaching and washing property. It can meet demand of high dying color and high humid strength.

Description

technical field [0001] The invention relates to a new type of quaternary ammonium salt disazo navy blue reactive dye, which has high dyeing rate, excellent washability and excellent fastness characteristics such as chlorine bleaching resistance and oxidation bleaching resistance to washing with water. . Background technique [0002] The disazo dyes synthesized and derived from H acid are composed of diazo components and coupling components. This kind of pigment matrix has the darkest hue among the blue pigment matrix, and is widely used because of its high molecular absorption coefficient. It is the base material of dyes used for deep color dyeing such as navy blue and black. [0003] Among the series of disazo dyes, C.I. Reactive Black 5, a navy blue reactive dye developed by Hoechst Company in Germany in 1957, is the most famous. This kind of dye can dye the fabric into a very strong color and become black, so it is registered as black Black in the Color Index (Colour In...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09B62/513D06P1/38
Inventor 陈文政陈建宇连嘉雯
Owner ETHICAL INT WAREHOUSING TRADING SHANGHAI
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