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Active orange dye and preparation and application thereof

A reactive orange and dye technology, applied in reactive dyes, azo dyes, organic dyes, etc., can solve the problems of high water consumption, high energy consumption, and low actual utilization rate of dyeing

Inactive Publication Date: 2017-06-13
TAIXING JINYUN DYESTUFF
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It has high washing fastness, but the actual utilization rate of the common reactive dyes in the market is not high during the dyeing process, and a large part is hydrolyzed; in addition, in the traditional medium and high temperature dyeing, the dyeing water consumption is very high, High energy consumption, need to add a lot of salt to assist dyeing

Method used

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  • Active orange dye and preparation and application thereof
  • Active orange dye and preparation and application thereof
  • Active orange dye and preparation and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] Embodiment 1: the preparation of formula (I-1) compound

[0051] (1) Diazo, coupling reaction

[0052] In a 250ml beaker, add 20 parts (parts by mass) of ice, 24.3 parts of 30% hydrochloric acid, 36.1 parts of sulfonated para-ester (diazo component 1), ice grinding and beating for 30min, slowly add 6.97 parts of sodium nitrite to generate diazonium salt After the sodium nitrite is completely added, stir for 1 hour, and use sulfamic acid to eliminate the slight excess of sodium nitrite; slowly add the diazonium salt dropwise to 12.2 parts of 3,5-diaminotoluene (coupling component), drop Use baking soda to adjust pH=3-5 while adding, continue to react for 2 hours after adding, the diazonium salt will disappear completely, while keeping the system temperature at 0-10°C.

[0053]

[0054] (2) Primary coupling component and secondary coupling of diazonium salt

[0055] Add 40 parts of ice, 48.6 parts of 30% hydrochloric acid, 72.2 parts of sulfonated para-ester (diazo c...

Embodiment 2

[0057] Embodiment 2: the preparation of formula (I-2) compound

[0058] (1) Diazo, coupling reaction

[0059] In a 250ml beaker, add 20 parts of ice, 24.3 parts of 30% hydrochloric acid, 36.1 parts of sulfonated para-ester, ice mill and beat for 30 minutes, slowly add 6.97 parts of sodium nitrite to form diazonium salt, and stir for 1 hour after the sodium nitrite is completely added , use sulfamic acid to eliminate the slight excess of sodium nitrite; slowly add the diazonium salt to 13.8 parts of 3,5‐diaminoanisole, and adjust the pH to 3‐5 with sodium bicarbonate while adding. Afterwards, the reaction was continued for 2 hours while maintaining the system temperature at 0-10°C, and the diazonium salt disappeared completely.

[0060]

[0061] (2) Primary coupling component and secondary coupling of diazonium salt

[0062] In a 250ml beaker, add 40 parts of ice, 48.6 parts of 30% hydrochloric acid, 56.2 parts of meta-ester, ice grinding and beating for 30 minutes, slowly...

Embodiment 3

[0064] Embodiment 3: the preparation of formula (I-3) compound

[0065] (1) Diazo, coupling reaction

[0066] In a 250ml beaker, add 20 parts of ice, 24.3 parts of 30% hydrochloric acid, 28.1 parts of para-ester, ice grinding and beating for 30 minutes, slowly add 6.97 parts of sodium nitrite to generate diazonium salt, stir for 1 hour after the sodium nitrite is completely added, and use Sulfamic acid eliminates slightly excess sodium nitrite; slowly add the diazonium salt dropwise to 15.2 parts of 3,5-diaminobenzoic acid, adjust the pH to 3-5 with baking soda while adding, and continue the reaction after the addition is complete 2h, while keeping the system temperature at 0-10°C, the diazonium salt completely disappeared.

[0067]

[0068] (2) Primary coupling component and secondary coupling of diazonium salt

[0069] In a 250ml beaker, add 40 parts of ice, 48.6 parts of 30% hydrochloric acid, 82 parts of 6-hydroxyethyl sulfone sulfate-2-naphthylamine-1-sulfonic acid, ...

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Abstract

The invention discloses an active orange dye and preparation and application thereof. The active orange dye has a structure shown in formula (I), wherein R is hydrogen, C1-5 alkyl groups, C1-5 alkoxyl groups, C1-5 carboxyl groups, aldehyde groups, sulfo groups or amide groups; Z is hydrogen or AlkSO3M, and Alk is methylene or ethylene; A1, A2 or A3 is respectively selected from self-substituted phenyl group or substituted naphthyl; M is hydrogen or alkaline metal ion. The active orange dye has the advantages that the color fixation rate and color fastness are good, the stability is good after dyeing, the color is bright, and the active orange dye can be widely applied to dyeing technologies, such as dip dyeing, roll dyeing and ink jet printing of cotton, hemp and manmade cotton fiber products; the production cost is low, and the active orange dye can be popularized and applied in a large scale way.

Description

technical field [0001] The invention belongs to the field of fine chemicals, and in particular relates to a reactive dye, in particular to a reactive orange dye, its preparation method and its application in cotton fiber printing and dyeing. Background technique [0002] Reactive dyes are also called reactive dyes. The molecule contains chemically active groups, which can react with cotton, wool and other fibers to form covalent bonds in aqueous solution. It has high washing fastness, but the actual utilization rate of the common reactive dyes in the market is not high during the dyeing process, and a large part is hydrolyzed; in addition, in the traditional medium and high temperature dyeing, the dyeing water consumption is very high, Energy consumption is large, and a large amount of salt is needed to assist dyeing. Therefore, green and environmentally friendly reactive dyes with high activity and low salt are still the mainstream of current research and development. C...

Claims

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Application Information

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IPC IPC(8): C09B62/01C09B62/513D06P1/38D06P3/66D06P5/30
CPCC09B62/01C09B62/513D06P1/38D06P3/66D06P5/30
Inventor 赵卫国鞠苏华张卫平黄磊王国民周沈勇王兵苏金奇
Owner TAIXING JINYUN DYESTUFF
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