CN101250332A - Reactive golden yellow RNL diazo dyes and preparation method thereof - Google Patents

Reactive golden yellow RNL diazo dyes and preparation method thereof Download PDF

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Publication number
CN101250332A
CN101250332A CNA2008100232982A CN200810023298A CN101250332A CN 101250332 A CN101250332 A CN 101250332A CN A2008100232982 A CNA2008100232982 A CN A2008100232982A CN 200810023298 A CN200810023298 A CN 200810023298A CN 101250332 A CN101250332 A CN 101250332A
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golden yellow
dye
preparation
reactive
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赵卫国
苏金奇
鞠苏华
顾天龙
王国民
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Abstract

Reactive golden yellow RNL azo dye and a preparation process are disclosed, and the structural formula is showed as followed, wherein R1, R2= H, COCH3, SO3H, OCH3, CH3, C2H5, OC2H5 and the like. The dye is the mixture of various compounds which is prepared through coupling m-bis or m-bis compound acyl with diazonium salt of sulphate ethyl sulphone aniline compound which comprises sulfonic acid group or methyl group, methoxyl group, ethyl group and ethoxyl group. The dye is suitable to be used on the dying, direct printing and discharge of cotton fiber, and has excellent fastness, reproducibility, level-dyeing property, compatibility, alkali resistant salt stability and lifting power, which can match with active black KN-B to obtain black color with favorable jet black.

Description

A kind of reactive golden yellow RNL diazo dyes and preparation method thereof
Technical field
The present invention relates to a kind of reactive golden yellow RNL diazo dyes and preparation method thereof.
Background technology
The orange vinyl sulfone dyestuff GF with two different activities bases of Korea S reason standing grain company invention, its structure is as follows:
Figure S2008100232982D00011
This dyestuff water-soluble relatively poor after adding alkali, solubleness reduces, and associates easily between dye molecule, and the avidity of fiber is increased, and easily causes the look flower, and pitch black degree is plentiful inadequately when colorant match like this, and salt and alkali resistance is poor, and degree of fixation is low.
The Huang 1 that occurs on the market in addition #Be the yellow vinyl sulfone dyestuff with two identical active groups, its structure is as follows:
Figure S2008100232982D00012
This dyestuff water-soluble relatively poor after adding alkali, solubleness is constant substantially, but on dye of light color behind the fiber and coloured light is dark partially, exist the degree of depth not enough.
Summary of the invention
The purpose of this invention is to provide and have stable performance, depth ratio Huang 1 #Deeply, a kind of reactive golden yellow RNL diazo dyes that salt and alkali resistance specific activity orange GF is good and preparation method thereof.
The structural formula of a kind of reactive golden yellow RNL diazo dyes of the present invention is as follows:
Figure S2008100232982D00021
In the formula: (1) R 1, R 2=H, COCH 3, SO 3H, OCH 3, CH 3, C 2H 5, OC 2H 5Deng
Active group among the present invention contains the group that can be converted into vinyl, and its mixture is by being to be made by the diazonium salt coupling with the ethyl sulfonyl sulfate aniline compound that contains sulfonic group or methyl, methoxyl group, ethyl, oxyethyl group of two or two acylates.
The present invention prepares the method for diazonium salt and grinds little acid than diazonium for ice, and the coupling temperature is 5-15 ℃, PH=1.5-5.5.
A kind of reactive golden yellow RNL diazo dyes of the present invention and commercially available reactive orange GF, reactive yellow 1 #Deng comparing, have that salt and alkali resistance is good, favorable reproducibility, good level-dyeing property, compatibleness is good, lifting force is high, can dye dark color.Can dye, stamp, again can discharge, during its simultaneous test data are listed in the table below.
Figure S2008100232982D00022
Performance index adopt following standard in table:
The general condition regulation that the GB/T2374-1994 dyeing is measured
The measuring method of insolubles content in the GB/T2381-1994 dyestuff
The measuring method of GB/T2383-1980 dyestuff screening fineness
The measuring method of GB/T2386-1980 dye well dyestuff intermediate moisture content
The measuring method of GB/T2388-1980 printing with reactive dye coloured light and intensity
The measuring method of the relative content of hydrolised dye and standard in the GB/T2389-1980 reactive dyestuffs
The measuring method of GB/T2390-1980 reactive dyestuffs pH value
The measuring method of GB/T2393-1980 printing with reactive dye degree of fixation
The measuring method of GB/T2392-1980 reactive dyestuffs thermostability
The mensuration of GB/T3671.1-1996 water-soluble dye solubleness and steady dissolution
The test method of GB/T3920-1997 textiles colour fastness to rubbing
The test method of GB/T3921.4-1997 textiles colour fastness to washing
The test method of GB/T3922-1995 textiles colour fastness to perspiration
GB/T4841.1-1984 1/1 dyeing standard depth colour atla
The test method of the heat-resisting pressure of GB/T6152-1997 textiles (flatiron) fastness
GB/T6678-1986 Chemicals sampling general provisions
GB/T8427-1998 textiles colour fastness to light test method (xenon arc)
The test method of the anti-chloride swimming-pool water colour fastness of GB/T8433-1998 textiles
Specific embodiments:
Embodiment one:
(1) takes by weighing that a two and two acylate adds the making beating of 200ml water between 24.9 parts of weight.
(2) take by weighing 28.1 parts of right-(beta-hydroxyethyl sulfone sulfate) aniline and add an amount of frozen water, add quantitative hydrochloric acid, add 6.9 parts of inferior sodium again 0 ℃ of making beating 2 hours, the blue look of control congo-red test paper, the little orchid of KI test paper, inferior sodium added afterreaction 1 hour.
Right-(beta-hydroxyethyl sulfone sulfate) diazonium salt of aniline and the coupling component that (3) will prepare are 0-5 ℃ in temperature, with coupling under the condition of sodium bicarbonate adjusting PH=4.5-5.5, react 3 hours to the diazonium salt disappearance, filter and obtain a kind of gold-tinted reactive golden yellow RNL diazo dyes.
Embodiment two: adopt embodiment one prescription, at 10-15 ℃, coupling under the condition of PH=5.5 obtains a kind of gold-tinted reactive golden yellow RNL diazo dyes.
Embodiment three:
(1) takes by weighing two and two acylate 200ml water making beating between 23.8 parts of weight.
(2) take by weighing 28.1 parts of right-(beta-hydroxyethyl sulfone sulfate) aniline of weight and add an amount of frozen water, add quantitative hydrochloric acid, add 6.9 parts of inferior sodium again 0 ℃ of making beating 2 hours, the blue look of control congo-red test paper, the little orchid of KI test paper, inferior sodium added afterreaction 1 hour.
Diazonium salt of right-(beta-hydroxyethyl sulfone sulfate) aniline that (3) will prepare and coupling component temperature are at 0-5 ℃, with coupling under the part of sodium bicarbonate adjusting PH=4-4.5, react 3 hours to the diazonium salt disappearance, filter and obtain a kind of gold-tinted reactive golden yellow RNL diazo dyes.
Embodiment four: take the prescription of embodiment three, at 10-15 ℃, coupling under the part of PH=5-5.5 obtains the golden yellow RNL azoic dyestuff of kind ruddiness.

Claims (6)

1. reactive golden yellow RNL diazo dyes, its structural formula is as follows:
In the formula: R 1, R 2=H, COCH 3, SO 3H, OCH 3, CH 3, C 2H 5Perhaps OC 2H 5
2. according to right 1 described a kind of reactive golden yellow RNL diazo dyes, it is characterized in that containing the ethyl sulfonyl sulfate group.
3. according to right 1 described a kind of reactive golden yellow RNL diazo dyes, it is characterized in that the ethyl sulfonyl sulfate group can be converted into the group of vinyl.
4. according to the preparation method of the described dyestuff of claim 1, be that the diazonium salt by two or two acylates and the ethyl sulfonyl sulfate aniline compound that contains sulfonic group or methyl, methoxyl group, ethyl, oxyethyl group carries out the mixture that coupling must contain multiple compound.
5. according to the preparation method of the described dyestuff of claim 4, it is characterized in that its diazonium mode compares diazonium for the little acid of ice mill.
6. according to the preparation method of the described dyestuff of claim 4, it is characterized in that its coupling temperature is 5-15 ℃, PH=1.5-5.5.
CNA2008100232982A 2008-04-08 2008-04-08 Reactive golden yellow RNL diazo dyes and preparation method thereof Pending CN101250332A (en)

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CN101250332A true CN101250332A (en) 2008-08-27

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103102684A (en) * 2013-02-20 2013-05-15 合肥杰事杰新材料股份有限公司 Weather-proof and hydrolysis-resistant continuous glass fiber reinforced polyamide composite material and its preparation method
CN112876875A (en) * 2020-12-31 2021-06-01 湖北丽源科技股份有限公司 Disazo reactive yellow dye and preparation method and application thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103102684A (en) * 2013-02-20 2013-05-15 合肥杰事杰新材料股份有限公司 Weather-proof and hydrolysis-resistant continuous glass fiber reinforced polyamide composite material and its preparation method
CN103102684B (en) * 2013-02-20 2016-12-28 合肥杰事杰新材料股份有限公司 A kind of weather-proof resistant to hydrolysis continuous glass-fiber reinforced polyamide composite and preparation method thereof
CN112876875A (en) * 2020-12-31 2021-06-01 湖北丽源科技股份有限公司 Disazo reactive yellow dye and preparation method and application thereof
CN112876875B (en) * 2020-12-31 2022-05-20 湖北丽源科技股份有限公司 Disazo reactive yellow dye and preparation method and application thereof

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Open date: 20080827