CN1687243A - Super black WNN of active azo dye and preparation thereof - Google Patents
Super black WNN of active azo dye and preparation thereof Download PDFInfo
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- CN1687243A CN1687243A CN 200510038989 CN200510038989A CN1687243A CN 1687243 A CN1687243 A CN 1687243A CN 200510038989 CN200510038989 CN 200510038989 CN 200510038989 A CN200510038989 A CN 200510038989A CN 1687243 A CN1687243 A CN 1687243A
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- wnn
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Abstract
The present invention relates to an active azo dye superblack WNN and its preparation. Said invention also provides its structure formula. Said dye is a mixture formed from several compounds including compound of the above-mentioned structure formula, WNN yellow and WNN dark red, and is made up by using H acid and diazo salt containing sulfonic acid group or ethyl sulfone sulfate aniline compound, and making them be coupled, then mixing them with WNN yellow and WNN dark red according to different ratio. Said dye is suitable for dyeing, printing and discharging cotton fibre, and has good various fastnesses.
Description
Technical field
The present invention relates to a kind of reactive azo dyes super black WNN and preparation thereof.
Background technology
The reactive black KN-B (C.I. reactive black 5) of sixties Mo invention, its structural formula is as follows:
Exist the degree of depth not enough during this dyeing, pitch black degree is not plentiful, and there is the alkali salt poor stability in this dyestuff simultaneously, and degree of fixation is low.
Summary of the invention
The purpose of this invention is to provide have stable performance, pitch black degree is dark, a kind of reactive azo dyes super black WNN that alkali salt stability is better than C.I reactive black 5 and preparation method thereof.
In order to achieve the above object, the structural formula of a kind of reactive azo dyes super black of the present invention WNN is as follows:
(1)R＝H、SO
3H
(2)M＝Na、K
Active group R is for being converted into the group of vinyl among the present invention, and its mixture carries out coupling by H acid and the diazonium salt that contains sulfonic group or ethyl sulfonyl sulfate aniline compound, and yellow and WNN is dark red with WNN again presses that different ratios is mixed to be got.
The method that the present invention prepares diazonium salt is ice mill diazonium, 0-15 ℃ of coupling temperature, PH=1.5-6.5.
A kind of reactive azo dyes super black WNN of the present invention compares with C.I reactive black 5, KN-G2RC is black, BED is black, ARS is black, BES is black etc., have stable performance, pitch black degree is dark, salt and alkali resistance good, favorable reproducibility, good level-dyeing property, compatibleness is good, lifting force is high, degree of fixation is high, can dye and stamp, can dial again and dye, its simultaneous test data are listed in the table one.
In the test process of table one performance index, adopted following standard:
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
Embodiment
Embodiment one: take by weighing 16.8 parts of H acid and 34.5 parts of diazonium salts that contain sulfonic group or ethyl sulfonyl sulfate aniline compound at 0-15 ℃, coupling under the condition of PH=1.5-6.5 makes a kind of navy dyestuff of inclined to one side green glow.
Embodiment two: navy dyestuff that embodiment one is made and WNN Huang, the dark red ratio by weight 75-80: 5-10: 20-10 of WNN are mixed to piece together and are obtained that pitch black degree is dark, salt and alkali resistance good, favorable reproducibility, good level-dyeing property, lifting force height, can dye and stamp, can dial the super black WNN that dyes again, the strength ratio C.I reactive black 5 of this dyestuff, KN-G2RC is black, BED black, ARC is black, BES is black exceeds 15%-30%.
Table one
Claims (6)
1, a kind of reactive azo dyes super black WNN, it is by the compound of following structural and WNN Huang, the dark red mixture of forming of WNN;
(1)R＝H、SO
3H
(2)M＝Na、K。
2, a kind of reactive azo dyes super black WNN according to claim 1 is characterized in that R is the group that can be converted into vinyl.
3, a kind of reactive dyestuffs super black WNN according to claim 2 is characterized in that R is an ethyl sulfonyl sulfate.
4, according to the preparation method of the described dyestuff of claim 1, be to carry out coupling by H acid and the diazonium salt that contains sulfonic group or ethyl sulfonyl sulfate aniline compound, again with WNN yellow and WNN dark red press that different ratios is mixed must.
5,, it is characterized in that its diazonium method is ice mill diazonium according to the preparation method of the described dyestuff of claim 4.
6,, it is characterized in that its coupling temperature is 0-15 ℃, PH=1.5-6.5 according to the preparation method of the described dyestuff of claim 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510038989 CN1687243A (en) | 2005-04-21 | 2005-04-21 | Super black WNN of active azo dye and preparation thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510038989 CN1687243A (en) | 2005-04-21 | 2005-04-21 | Super black WNN of active azo dye and preparation thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1687243A true CN1687243A (en) | 2005-10-26 |
Family
ID=35305285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510038989 Pending CN1687243A (en) | 2005-04-21 | 2005-04-21 | Super black WNN of active azo dye and preparation thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1687243A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101235217A (en) * | 2008-01-22 | 2008-08-06 | 天津市德凯化工有限公司 | Black reactive dyestuff and preparation method thereof |
| CN102250491A (en) * | 2010-05-17 | 2011-11-23 | 中国中化股份有限公司 | Disazo reactive dye |
-
2005
- 2005-04-21 CN CN 200510038989 patent/CN1687243A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101235217A (en) * | 2008-01-22 | 2008-08-06 | 天津市德凯化工有限公司 | Black reactive dyestuff and preparation method thereof |
| CN101235217B (en) * | 2008-01-22 | 2012-12-19 | 天津德凯化工股份有限公司 | Black reactive dyestuff and preparation method thereof |
| CN102250491A (en) * | 2010-05-17 | 2011-11-23 | 中国中化股份有限公司 | Disazo reactive dye |
| CN102250491B (en) * | 2010-05-17 | 2013-04-10 | 中国中化股份有限公司 | Disazo reactive dye |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |