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Novel reactive yellow dye compounds and mixture thereof

A technology of reactive dyes and mixtures, applied in the field of color-blocking dyeing, can solve the problems of weak compatibility, low lifting force, unsatisfactory dyeing with high concentration, etc.

Inactive Publication Date: 2006-08-02
京仁洋行
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Said mixed dyes, such as dye mixtures of a red compound and a blue compound, have drawbacks such as poor compatibility between the two compounds, thus impairing the reproducibility of the desired color and causing insufficient lifting power, so for high concentrations Unsatisfactory for dyeing
In addition, dyeing with yellow dye alone is not suitable for high-concentration dyeing due to the low lifting power of yellow dye
Similar to dyeing with any other dye, yellow dyeing also requires high fastness to light and perspiration, but cannot meet these requirements

Method used

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  • Novel reactive yellow dye compounds and mixture thereof
  • Novel reactive yellow dye compounds and mixture thereof
  • Novel reactive yellow dye compounds and mixture thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation Embodiment 1

[0069] 239.3 parts of 2-amino-naphthol-7-sulfonic acid were dispersed in 2000 parts of water, and the resulting dispersion was neutralized to pH 7 using 25% aqueous sodium hydroxide. 184.4 parts of cyanuric chloride were dispersed in 300 parts of water at 0°C, and then the above-mentioned 2-amino-naphthol-7-sulfonic acid solution was added dropwise thereto for 1 hour. The resulting solution was neutralized to pH 3.0 using a 20% aqueous sodium carbonate solution, thereby producing a first condensation product.

[0070] 23.12 parts of (4-N-acetyl)-2,4-phenylenediaminesulfonic acid were dispersed in 50 parts of water, and 156.4 parts of 35% hydrochloric acid were added thereto. Then, 230 parts of 30% sodium nitrite solution was added dropwise to the resulting solution for 30 minutes while keeping the temperature below 5° C., and the mixture was maintained at this temperature for 2 hours to synthesize (4-N-acetyl) - The diazonium salt of 2,4-phenylenediaminesulfonic acid.

[007...

preparation Embodiment 2

[0077] 319.3 parts of 2-amino-naphthol-1,7-disulfonic acid were dispersed in 1500 parts of water, and the resulting dispersion was neutralized to pH 7 using 25% aqueous sodium hydroxide. 184.4 parts of cyanuric chloride were dispersed in 300 parts of water at 0°C, and then a 2-amino-naphthol-7-sulfonic acid solution was added dropwise thereto for 1 hour. The resulting solution was neutralized to pH 3.0 using a 20% aqueous sodium carbonate solution, thereby producing a first condensation product.

[0078]23.12 parts of (4-N-acetyl)-2,4-phenylenediaminesulfonic acid were dispersed in 50 parts of water, and 156.4 parts of 35% hydrochloric acid were added thereto. Then, 230 parts of 30% sodium nitrite solution was added dropwise to the resulting solution in 30 minutes while keeping the temperature lower than 5° C., and the mixture was maintained at this temperature for 2 hours, thereby synthetically obtaining (4-N-acetyl )-2,4-diazonium salt of phenylenediaminesulfonic acid.

[...

preparation Embodiment 3-86

[0085] Based on the methods in Preparation Examples 1 and 2, the compounds listed in Table 1 could be synthesized. Based on the chemical structures of these products, the specific preparation methods of these compounds can be fully deduced from Preparation Examples 1 and 2, and thus details thereof are omitted here.

[0086] Formula 1 compound

[0087]

[0088] Table 1

[0089]

[0090]

[0091]

[0092]

[0093]

[0094]

[0095]

[0096]

[0097]

[0098]

[0099]

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Abstract

Provided is a reactive dye mixture, comprising (i) one or more reactive dyes represented by Formula 1, and (ii) one or more reactive dyes represented by Formula 2: The dye mixture of the present invention can realize a color that is difficult to be achieved by a single dye when dyeing a fiber material containing nitrogen or hydroxyl group, particularly a cellulose fiber material, exhibits a superior absorptivity and fixability, particularly very high light fastness and wet fastness, and thus provides a variety of balanced physical properties which are required in dyeing.

Description

technical field [0001] The present invention relates to reactive dye mixtures which can obtain colors which are difficult to obtain with a single dye when dyeing fibrous materials containing nitrogen or hydroxyl groups, especially cellulose fibers, which have excellent dyeing properties and a variety of excellent fastness properties. degree, and can improve the dyeing process, also relates to the use of the mixture of color matching dyeing method. Background technique [0002] As a conventional process for yellow dyeing of cellulose fiber materials using reactive dyes, a dyeing method in which C.I. reactive yellow 145 compound, which is a bifunctional reactive dye, is used is generally used. [0003] [0004] C.I. Reactive Yellow 145 [0005] However, it is difficult to obtain deep colors and various colors by dyeing by using the above-mentioned dye compounds, and thus a mixture of two or more dye compounds is generally used. Said mixed dyes, such as...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09B67/24D06P1/38D06P3/58D06P3/24
CPCC09B67/0047C09B67/0048C09B62/09D06P3/666
Inventor 赵晟容尹佑镇金浚铉明成一
Owner 京仁洋行
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