CN1869004A - Monoazo compound, preparation method and application thereof - Google Patents

Monoazo compound, preparation method and application thereof Download PDF

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Publication number
CN1869004A
CN1869004A CN 200510049819 CN200510049819A CN1869004A CN 1869004 A CN1869004 A CN 1869004A CN 200510049819 CN200510049819 CN 200510049819 CN 200510049819 A CN200510049819 A CN 200510049819A CN 1869004 A CN1869004 A CN 1869004A
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monoazo compound
preparation
sulfuric acid
disperse yellow
compound
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CN100503556C (en
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阮伟祥
陈立火
陈永尧
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Runtu Group Holdings Ltd
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Zhejiang Longsheng Group Co Ltd
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Abstract

The invention relates to a monoazo compound, a preparation method and application thereof. The monoazo compound is shown as a formula , and the preparation method comprises the following steps: after dichloroaniline and nitrosyl sulfuric acid are diazotized in sulfuric acid, the obtained diazonium salt and N-cyanoethyl-N-benzyl aniline are subjected to coupling reaction, and paste is obtained after post-treatment, namely the product. The monoazo compound provided by the invention is used for disperse yellow dye, has good color fastness and is safe, and is an ideal environment-friendly dye capable of effectively replacing C.I. disperse yellow 23.

Description

A kind of Monoazo compound, preparation method and its usage
(1) technical field
The present invention relates to a kind of Monoazo compound, preparation method and its usage.
(2) background technology
As everyone knows, Disperse Yellow RGFL (C.I. DISPERSE YELLOW 23) is a very important dispersed dye kind, although its synthesis technique is simple, but when being applied to trevira dyeing, can obtain good dyeing behavior, can reach 6 grades as sun-resistant fastness, anti-ly soap 4~5 grades, good level-dyeing property.In addition, Disperse Yellow RGFL also can be formed the fabulous low temperature three primary colors of compatibleness with C.I. disperse red 60 and C.I. Disperse Blue-56.Yet, because easily decomposing under given conditions, Disperse Yellow RGFL produces carcinogenic aromatic amine, can not satisfy the environmental requirement of increasingly stringent.
(3) summary of the invention
The object of the invention is to provide a kind of Monoazo compound, preparation method and as the purposes of disperse yellow dye.
Described Monoazo compound is suc as formula shown in (I),
Figure A20051004981900041
The preferred compound structure of the present invention is as (II) or (III):
Figure A20051004981900042
Figure A20051004981900051
A kind of preparation method of described Monoazo compound comprises: dichlorphenamide bulk powder and nitrosyl sulfuric acid are carried out diazotization in sulfuric acid after, gained diazonium salt and N-cyanoethyl-Phenhenzamine carry out coupled reaction, and aftertreatment gets paste and is described product.
Described diazotization temperature is preferably 15-20 ℃.
Described coupled reaction temperature is preferably 15-25 ℃.
The preparation method of described Monoazo compound, recommend to carry out as follows:
With 3, the 4-dichlorphenamide bulk powder carries out diazotization with nitrosyl sulfuric acid in sulfuric acid medium, and the diazonium salt that obtains and N-cyanoethyl-Phenhenzamine be 20 ℃ of couplings, insulated and stirred 40 minutes, suction filtration also is washed to neutrality, paste be described product.
Described Monoazo compound can be used as disperse yellow dye, especially is used as the dyeing of trevira.When dyeing as disperse yellow dye, described Monoazo compound often with the certain proportion of auxiliary agent compounding.Described auxiliary agent can be one of following or its any blended usual auxiliaries: naphthalene sulfonic acidformaldehyde condensation product, alkyl naphthalene sulfonic acid formaldehyde condensation products, sulfonated lignin.Described naphthalenesulfonateformaldehyde formaldehyde condensation such as dispersing agent NNO; Alkyl naphthalene sulfonic acid formaldehyde condensation products such as Dispersant MF (condensation compound of methyl naphthalene sulfonic acid and formaldehyde), dispersing agent CNF (benzyl naphthalenesulfonate formaldehyde condensation compound) etc.; Sulfonated lignin such as sodium lignosulfonate (commercial dispersants Reax83A, Reax85A) etc.
It is good that Monoazo compound of the present invention is used for the disperse yellow dye dyefastness, and safety is a kind of environmental protection type dye that can effectively substitute C.I. DISPERSE YELLOW 23 ideally.
(4) embodiment
With specific embodiment the present invention is described below, but protection scope of the present invention is not limited to this.
Embodiment 1
1. diazotization
In the there-necked flask of 150ml, slowly add sulfuric acid, nitrosyl sulfuric acid, the outside lowers the temperature with water-bath, and controlled temperature is about 15-20 ℃.Add 3 after stirring 0.5hr, 4-dichlorphenamide bulk powder 20 grams, add fashionable should not be too fast, should control certain feed rate, to prevent the material caking, the whole reinforced time is controlled to be 1.5hr, stir 3hr after adding, the detection reaction terminal point (1. diazonium salt can be in frozen water clear; 2. diazonium salt can make starch potassium iodide paper become blue), make 3,4-dichlorphenamide bulk powder diazonium salt is standby.
2. coupled reaction
In the beaker of 1000ml, add raw spirit 200ml, add N-cyanoethyl-Phenhenzamine 28 grams, emulsifying agent TX-15 1.2 grams, making beating 3hr adds thionamic acid 1.5 grams, and controlled temperature drips diazonium liquid about 20 ℃, the dropping time is 1.5hr, at 20 ℃ of stirring reaction 12hr, measured reaction terminal point (checking that with oozing the circle method diazonium salt is excessive slightly) continued insulated and stirred 40 minutes, suction filtration also is washed to neutrality, gets paste and is described product.
The paste and the Dispersant MF that obtain are ground in 1: 1.8 ratio, spray-driedly then obtain disperse yellow dye of the present invention.
The dyeing experiment
Getting the above-mentioned dispersed dye that make of 0.5 gram is dispersed in 500 ml waters, mix with 60 milliliters water after drawing 20 milliliters, transferring dye bath pH with acetic acid is 5, be warming up to 70 ℃ put into simultaneously 2 the gram woven dacrons dye, in 30 minutes, be warmed up to 130 ℃ by 70 ℃, be incubated 30 minutes, be cooled to begin below 90 ℃ the sampling.Observe its color, adopt GB GB/T3921-1997, GB/T3920-1997, GB/T5718-1997 to test its water-fast colour fastness, colour fastness to rubbing, color fastness to sublimation washed respectively, test result sees Table 1.
Embodiment 2
In the beaker of 1000ml, add DMF 200ml, add N-cyanoethyl-Phenhenzamine 28 grams, stirring makes it dissolving, adds thionamic acid 1.5 grams, and controlled temperature drips embodiment 1 and makes diazonium liquid about 20 ℃, the dropping time is 1.5hr, at 20 ℃ of stirring reaction 12hr, measured reaction terminal point (checking that with oozing the circle method diazonium salt is excessive slightly) continued insulated and stirred 40 minutes, suction filtration also is washed to neutrality, gets paste and is described product.
The paste and the dispersing agent CNF that obtain are ground in 1: 2 ratio, spray-driedly then obtain disperse yellow dye of the present invention.
According to each dyefastness of embodiment 1 described method test disperse yellow dye, test result sees Table 1.
Embodiment 3
With 2, the 3-dichlorphenamide bulk powder substitutes 3, and the 4-dichlorphenamide bulk powder can obtain disperse yellow dye of the present invention according to the method preparation of embodiment 1.
According to each dyefastness of embodiment 1 described method test disperse yellow dye, test result sees Table 1.
Embodiment 4
Substitute 3 with mixed dichlorphenamide bulk powder (wherein, 3,4-dichlorphenamide bulk powder, 2, the weight percentage of 3-dichlorphenamide bulk powder is respectively 81.5%, 18.5%), the 4-dichlorphenamide bulk powder can obtain disperse yellow dye of the present invention according to the method preparation of embodiment 1.
According to each dyefastness of embodiment 1 described method test disperse yellow dye, test result sees Table 1.
Embodiment 5
Monoazo compound 75g, the Monoazo compound 25g that embodiment 3 makes that embodiment 1 is made add 100g water, the grinding of 200g Dispersant MF, and spraying drying makes disperse yellow dye of the present invention again.
According to each dyefastness of embodiment 1 described method test disperse yellow dye, test result sees Table 1.
Comparative Examples 1
Get 0.5 gram C.I. DISPERSE YELLOW, 23 dyestuffs and repeat above-mentioned dyeing experiment.Test result sees Table 1.
Table 1
The embodiment title Color Washing fastness Crock fastness 180 ℃ of sublimation fastness
Embodiment 1 Golden yellow 4~5 grades 4~5 grades 4~5 grades
Embodiment 2 Golden yellow 4~5 grades 4~5 grades 4~5 grades
Embodiment 3 Golden yellow 4~5 grades 4~5 grades 4~5 grades
Embodiment 4 Golden yellow 4~5 grades 4~5 grades 4~5 grades
Embodiment 5 Golden yellow 4~5 grades 4~5 grades 4~5 grades
Comparative Examples 1 Golden yellow 4 grades 4~5 grades 4 grades
As seen, disperse yellow dye of the present invention can obtain and the very proximate coloured light of C.I. DISPERSE YELLOW 23 being applied to trevira when dyeing, and the fastness index also exceeds half grade, is the ideal environmental protection type dye of an alternative C.I. DISPERSE YELLOW 23.

Claims (9)

1, a kind of Monoazo compound suc as formula (I),
2, Monoazo compound as claimed in claim 1 is characterized in that structure shown in (II),
Figure A2005100498190002C2
3, Monoazo compound as claimed in claim 1 is characterized in that structure shown in (III),
Figure A2005100498190002C3
4, the preparation method of the described compound of a kind of claim 1 comprises: dichlorphenamide bulk powder and nitrosyl sulfuric acid are carried out diazotization in sulfuric acid after, gained diazonium salt and N-cyanoethyl-Phenhenzamine carry out coupled reaction, and aftertreatment gets paste and is described product.
5, as the preparation method of Monoazo compound as described in the claim 4, it is characterized in that described diazotization temperature is 15-20 ℃.
6, as the preparation method of Monoazo compound as described in the claim 4, it is characterized in that described coupled reaction temperature is 15-25 ℃.
7, as the preparation method of Monoazo compound as described in the claim 6, it is characterized in that comprising the steps: with 3, the 4-dichlorphenamide bulk powder carries out diazotization with nitrosyl sulfuric acid in sulfuric acid medium, the diazonium salt that obtains and N-cyanoethyl-Phenhenzamine are 20 ℃ of couplings, insulated and stirred 40 minutes, suction filtration also is washed to neutrality, gets paste and is described product.
8, the described Monoazo compound of claim 1 is as the purposes of disperse yellow dye.
9, purposes as claimed in claim 8 is characterized in that the dyeing of described Monoazo compound as trevira.
CNB2005100498198A 2005-05-24 2005-05-24 Monoazo disperse yellow dye, preparation method and application thereof Expired - Fee Related CN100503556C (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101117446B (en) * 2007-07-24 2011-07-06 上虞市金冠化工有限公司 Process for synthesizing azo dispersion dyes monomer compound
CN101215245B (en) * 2007-01-05 2011-11-30 浙江龙盛集团股份有限公司 Monoazo compound containing diester and its preparation, application and dye composition
CN102964221A (en) * 2012-11-26 2013-03-13 江苏扬农化工股份有限公司 Clean production process of dicamba synthesis midbody
CN104327548A (en) * 2014-10-08 2015-02-04 浙江龙盛集团股份有限公司 Disperse yellow and disperse orange dye composition
CN104557473A (en) * 2015-01-09 2015-04-29 山东潍坊润丰化工股份有限公司 Method for producing halogenated phenylamine from halogenated aniline through diazotization

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4039524A (en) * 1972-12-27 1977-08-02 Gaf Corporation Keto-amido containing phenylazo benzothiazole dyestuffs
US4140683A (en) * 1976-02-23 1979-02-20 Eastman Kodak Company Dyes from thienylazo compounds and cyclohexylaminoacylanilide couplers
JPH0745636B2 (en) * 1991-06-18 1995-05-17 三菱化成ヘキスト株式会社 Disperse dye mixture

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101215245B (en) * 2007-01-05 2011-11-30 浙江龙盛集团股份有限公司 Monoazo compound containing diester and its preparation, application and dye composition
CN101117446B (en) * 2007-07-24 2011-07-06 上虞市金冠化工有限公司 Process for synthesizing azo dispersion dyes monomer compound
CN102964221A (en) * 2012-11-26 2013-03-13 江苏扬农化工股份有限公司 Clean production process of dicamba synthesis midbody
CN102964221B (en) * 2012-11-26 2014-07-09 江苏优嘉化学有限公司 Clean production process of dicamba synthesis midbody
CN104327548A (en) * 2014-10-08 2015-02-04 浙江龙盛集团股份有限公司 Disperse yellow and disperse orange dye composition
CN104327548B (en) * 2014-10-08 2016-08-10 浙江龙盛集团股份有限公司 A kind of disperse yellow is to orange compositions
CN104557473A (en) * 2015-01-09 2015-04-29 山东潍坊润丰化工股份有限公司 Method for producing halogenated phenylamine from halogenated aniline through diazotization

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