CN101817997A - Dye - Google Patents

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CN101817997A
CN101817997A CN200910228250A CN200910228250A CN101817997A CN 101817997 A CN101817997 A CN 101817997A CN 200910228250 A CN200910228250 A CN 200910228250A CN 200910228250 A CN200910228250 A CN 200910228250A CN 101817997 A CN101817997 A CN 101817997A
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liquid
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CN101817997B (en
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张兴华
李荣才
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Tianjin Dek Chemical Co Ltd
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Tianjin Dek Chemical Co Ltd
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Abstract

The invention relates to a dye, which has the following structural formula (I). A method for preparing the dye comprises the following steps of: (a) adding solution of hydrochloric acid and solution of sodium nitrite into m-(p-)nitroaniline; (b) adding H acid dropwise into the reaction solution in the step (a); (c) dissolving para-ester in water; (d) adding solution obtained by the step (c) into aqueous turbid liquid of cyanuric chloride, and adding 2,4-diaminobenzenesulfonic acid after the reaction is finished; (e) adding solution of hydrochloric acid into the solution obtained by the step (d), and then adding solution of sodium nitrite; (f) adding the solution obtained by the step (e) dropwise into the solution obtained by the step (b); and (g) under the alkaline condition, converting beta-sulfatoethylsulfonyl in the solution obtained by the step (f) into vinylsulfonyl so as to prepare the compound with the structural formula (I).

Description

A kind of dyestuff
Technical field
The present invention relates to the dye well its preparation method, particularly, the present invention relates to a kind of active dark blue dye and preparation method thereof.
Background technology
The general used dyestuff of the dyeing of nylon fabrics is weak acid dye and metallized dye.Because fabric that weak acid dye dyed, fastness is not good enough, and coloured light is not bright-coloured, the particularly pollution the when pollution of metallized dye heavy metal in manufacturing processed and dyeing, and the infringement that human skin is held up of painted nylon fabrics.Because it is the factor of environmental ecology restriction, more and more higher to the requirement of dye uptake, degree of fixation and the dyeing waste-water of dyestuff.The exploitation of the active nylon dyestuff of navy is the focus of dye industry always, and this is because navy consumption in all tones is maximum, and is the main ingredient of piecing together black.The invention provides a kind of active dark blue dye that is applicable to dyeing nylon, solved the painted technical problem of cellulosic fibre and tynex.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of active dark blue dye that is applicable to dyeing nylon, this dyestuff has following structural formula (I):
Figure G200910228250XD00011
Wherein, R 1Be H, R 2Be NO 2, perhaps R 2Be H, R 1Be NO 2
The preparation method of said structure formula (I) compound dyestuff comprises the steps:
(a) (to) the N-methyl-p-nitroaniline diazotization reaction:
To (to) add hydrochloric acid soln in the N-methyl-p-nitroaniline, add sodium nitrite solution then, obtain diazonium liquid;
(b) acid coupling reaction:
The H acid solution is added drop-wise in the diazonium liquid that (a) step obtains reacts, acid coupling liquid;
(c) preparation para-ester solution:
Para-ester is dissolved in the water, gets the para-ester aqueous solution;
(d) condensation reaction:
The para-ester aqueous solution that adds the acquisition of (c) step in the cyanuric chloride suspension liquid reacts, and adds 2 after reaction is finished, and the 4-diamino benzene sulfonic acid gets condensation reaction solution;
(e) diazotization reaction:
In the condensation reaction solution of (d) step, add hydrochloric acid soln, add sodium nitrite solution again, get diazonium liquid;
(f) alkaline coupling reaction:
The diazonium drop of (e) step is joined in the acid coupling liquid of (b) step, get alkaline coupling liquid;
(g) hydrolysis reaction
Under alkaline condition, make its beta-sulfuric ester ethyl sulfonyl be converted into the compound that the ethene sulfuryl has so just prepared said structure formula (I) (f) step.
More specifically, the preparation method of said structure formula (I) compound dyestuff comprises the steps:
(a) (to) the N-methyl-p-nitroaniline diazotization reaction:
(to) add hydrochloric acid soln in the solution of N-methyl-p-nitroaniline, add sodium nitrite solution again, guarantee reaction soln pH<2, be little blueness after starch potassium iodide paper soaks, temperature is 0-35 ℃, reacts 1-3 hour, eliminate excessive Sodium Nitrite with thionamic acid then, get diazonium liquid;
(b) acid coupling reaction:
The H acid solution is added drop-wise in the diazonium liquid of (a) step, control reaction temperature was reacted 4-8 hour at 5-15 ℃, got acid coupling liquid.
(c) preparation para-ester solution:
Para-ester is dissolved in the water, regulates pH=3.5-4.0.
(d) condensation reaction:
Add the solution that (c) step obtains in the cyanuric chloride suspension liquid, keeping temperature is 0-15 ℃, and pH=2.5-3.0 dropwises maintenance reaction 4-6 hour, add 2 then, the 4-diamino benzene sulfonic acid, adjusting temperature is 10-40 ℃, pH=4-7 reacted 2-4 hour, got condensation reaction solution.
(e) diazotization reaction:
In the condensation reaction solution of (d) step, add hydrochloric acid soln, add sodium nitrite solution again, keep reaction soln pH<2, be little blueness after starch potassium iodide paper soaks, keep 0-15 ℃ of temperature, reacted 1-3 hour, eliminate excessive nitrous acid with thionamic acid then, get diazonium liquid;
(f) alkaline coupling reaction:
The diazonium drop of (e) step is joined in the acid coupling liquid of (b) step, transfer pH=6-7 with soda ash in the dropping, dropwise maintenance reaction 1-2 hour, get alkaline coupling liquid;
(g) hydrolysis reaction
With the alkaline coupling liquid of trash ice adjustment (f) step temperature 10-15 ℃ adds sodium hydroxide solution, adjusts pH=9-9.5, keeps reaction 1-3 hour, adjusts pH=6-7 with hydrochloric acid soln then; Wherein sodium hydroxide solution is 30% sodium hydroxide solution, and hydrochloric acid soln is 30% hydrochloric acid soln; So just prepared the compound of said structure formula (I).
In the aforesaid method:
Cyanuric chloride is the compound of following structural formula (II):
Figure G200910228250XD00031
H acid is 1-amino-8-naphthol-3, the 6-disulfonate sodium, and it is the compound of following structural formula (III):
Figure G200910228250XD00041
P-Nitroaniline is the compound of following structural formula (IV):
Figure G200910228250XD00042
The structure of m-nitraniline is as follows:
Figure G200910228250XD00043
2, the 4-diamino benzene sulfonic acid is the compound of following structure formula V:
Figure G200910228250XD00044
Para-ester is the compound of following structural formula (VI):
In the aforesaid method,
Preferably, the H acid solution is the aqueous solution, its pH value=6.8-7.2;
Preferably, (e) hydrochloric acid soln in the step is the aqueous hydrochloric acid of 30 weight %, and sodium nitrite solution is the sodium nitrite in aqueous solution of 30 weight %.
Preferably, above-mentioned preparation method can also comprise the post-processing step of product, and post-processing step can be selected as required, and post-processing step comprises:
(h) remove insolubles:
The product of (g) step joined separate in the solid-liquid separator, remove waste residue, collect filtrate in storage tank;
Perhaps sodium-chlor or Repone K are joined in the product of (g) step according to a certain percentage, stirred 1 hour, join in the solid-liquid separator and separate, remove filtrate, collect filter cake, filtrate is discharged after treatment, filter cake is dissolved in water, joins in the solid-liquid separator and separate, remove waste residue, collect filtrate in storage tank, the waste residue that obtains in this step can be used for engineering soil;
(i) adjust coloured light and intensity:
The filtrate that (h) step is obtained is with small-sized spray tower drying, and the adjustment of coloured light and intensity is carried out in dyeing again according to coloration result;
(j) drying:
The look liquid that (i) step is obtained joins in the feed liquid preheating container, adjusts 210 ℃ of inlet temperatures, carries out spraying drying with 95-100 ℃ temperature out, obtains dark blue dye of the present invention.
Used raw material all can be bought from the market and obtain in the aforesaid method.
Active dark blue dye of the present invention has not only that good boldness, degree of fixation, lifting force and colouring are even, dye yield is high, also have the consistency good with other reactive dyestuffs, improved dyeing quality greatly, reduced the usage quantity of dyestuff, but also eliminated the pollution of heavy metal environment.Synthetic method of the present invention can reduce environmental pollution, and the desired raw material cost is low, the product solubility height, and bright in colour, application performance is excellent, easy to use, is applicable to cotton, especially dyeing nylon.
Embodiment
In order to understand the present invention, further specify technical scheme of the present invention with embodiment below, but do not limit protection scope of the present invention.
Embodiment
Be prepared as follows the compound of structural formula (VII)
Figure G200910228250XD00061
(a) in reactor, add end water, add 13.8 kilograms of p-Nitroaniline, stirring and dissolving, quantitative 30% hydrochloric acid soln is added, add rubble ice, making its solution quality/volume (g/ml) concentration is 10%, adds 30% sodium nitrite solution again, in reaction process, keep pH value of solution<2, be little blueness after starch potassium iodide paper soaks, keeping temperature is 15 ℃, reacts 2 hours, eliminate excessive nitrous acid with thionamic acid, get diazonium liquid.
(b) H acid is prepared into the aqueous solution for 32.7 kilograms, regulates pH value=6.8-7.2, be added drop-wise in the diazonium liquid of (a) step, keeping temperature is 10 ℃, reacts 6 hours, gets acid coupling liquid.
(c) add end water in reactor, add 27.5 kilograms of para-esters, stirring and dissolving is transferred pH=3.5-4.0 with sodium bicarbonate, and making mass/volume (g/ml) concentration is 15%, obtains para-ester solution.
(d) in reactor, add water of a small amount of end, add rubble ice, add 17.7 kilograms of cyanuric chlorides again, drip the para-ester solution that (c) step obtains in the stirring, keeping temperature is 5 ℃, and pH=2.5-3.0 dropwises maintenance reaction 5 hours, in solution, add 2,18.0 kilograms of 4-diamino benzene sulfonic acids, keeping temperature is 30 ℃, pH=6, reacted 3 hours, and got condensated liquid.
(e) with the condensated liquid temperature of rubble ice adjustment (d) step, add 30% hydrochloric acid, add 30% sodium nitrite solution again, keep reaction soln pH<2, be little blueness after starch potassium iodide paper soaks, keeping temperature is 5 ℃, reacts 2 hours, eliminate excessive nitrous acid with thionamic acid, get diazonium liquid.
(f) the acid coupling liquid of (b) step being adjusted temperature is 25 ℃, and the diazonium liquid that (e) step is obtained adds in this acid coupling liquid, transfers pH=6-7 with soda ash in the dropping, dropwises to keep reaction 1 hour;
(g) rubble ice is joined in the product that (f) step obtains, adjusting temperature is 10 ℃, adds 30% sodium hydroxide solution, adjusts pH=9-9.5, keeps 2 hours, then with 30% hydrochloric acid soln adjustment pH=6-7.Obtain the compound of structural formula (VII).
Post-processing step:
(h) (g) step solution is joined separate in the solid-liquid separator, remove waste residue, collect filtrate in storage tank, obtain 1.5 kilograms of left and right sides waste residues and be used as engineering soil.
(i) filtrate that (h) step is obtained is dyeed with small-sized spray tower drying, carries out the adjustment of coloured light and intensity again according to coloration result.
(j) the look liquid with (i) step joins in the feed liquid preheating container, adjusts 210 ℃ of inlet temperatures, carries out spraying drying with 95-100 ℃ temperature out., the finished product after obtaining handling.
The performance table of the nylon active dark blue dye of the structural formula that embodiment prepares (VII) is as follows:
Figure G200910228250XD00071
Compound of the present invention and preparation method thereof is described by specific embodiment.Those skilled in the art can use for reference links such as content appropriate change raw material of the present invention, processing condition and realize corresponding other purpose, its relevant change does not all break away from content of the present invention, all similar replacements and change will become apparent to those skilled in the art that and all be regarded as comprising within the scope of the present invention.

Claims (6)

1. active dark blue dye that is applicable to dyeing nylon, this dyestuff has following structural formula (I):
Figure F200910228250XC00011
Wherein, R 1Be H, R 2Be NO 2, perhaps R 2Be H, R 1Be NO 2
2. the preparation method of the dyestuff of claim 1, this method comprises the steps:
(a) (to) the N-methyl-p-nitroaniline diazotization reaction:
To (to) add hydrochloric acid soln in the N-methyl-p-nitroaniline, add sodium nitrite solution then, obtain diazonium liquid;
(b) acid coupling reaction:
The H acid solution is added drop-wise in the diazonium liquid that (a) step obtains reacts, acid coupling liquid;
(c) preparation para-ester solution:
Para-ester is dissolved in the water, gets the para-ester aqueous solution;
(d) condensation reaction:
The para-ester aqueous solution that adds the acquisition of (c) step in the cyanuric chloride suspension liquid reacts, and adds 2 after reaction is finished, and the 4-diamino benzene sulfonic acid gets condensation reaction solution;
(e) diazotization reaction:
In the condensation reaction solution of (d) step, add hydrochloric acid soln, add sodium nitrite solution again, get diazonium liquid;
(f) alkaline coupling reaction:
The diazonium drop of (e) step is joined in the acid coupling liquid of (b) step, get alkaline coupling liquid;
(g) hydrolysis reaction
Under alkaline condition, make its beta-sulfuric ester ethyl sulfonyl be converted into the ethene sulfuryl (f) step, so just prepared the compound of said structure formula (I).
3. method according to claim 2, this method comprises the steps:
(a) (to) the N-methyl-p-nitroaniline diazotization reaction:
(to) add hydrochloric acid soln in the solution of N-methyl-p-nitroaniline, add sodium nitrite solution again, guarantee reaction soln pH<2, be little blueness after starch potassium iodide paper soaks, temperature is 0-35 ℃, reacts 1-3 hour, eliminate excessive Sodium Nitrite with thionamic acid then, get diazonium liquid;
(b) acid coupling reaction:
The H acid solution is added drop-wise in the diazonium liquid of (a) step, control reaction temperature was reacted 4-8 hour at 5-15 ℃, got acid coupling liquid.
(c) preparation para-ester solution:
Para-ester is dissolved in the water, regulates pH=3.5-4.0.
(d) condensation reaction:
Add the solution that (c) step obtains in the cyanuric chloride suspension liquid, keeping temperature is 0-15 ℃, and pH=2.5-3.0 dropwises maintenance reaction 4-6 hour, add 2 then, the 4-diamino benzene sulfonic acid, adjusting temperature is 10-40 ℃, pH=4-7 reacted 2-4 hour, got condensation reaction solution.
(e) diazotization reaction:
In the condensation reaction solution of (d) step, add hydrochloric acid soln, add sodium nitrite solution again, keep reaction soln pH<2, be little blueness after starch potassium iodide paper soaks, keep 0-15 ℃ of temperature, reacted 1-3 hour, eliminate excessive nitrous acid with thionamic acid then, get diazonium liquid;
(f) alkaline coupling reaction:
The diazonium drop of (e) step is joined in the acid coupling liquid of (b) step, transfer pH=6-7 with soda ash in the dropping, dropwise maintenance reaction 1-2 hour, get alkaline coupling liquid;
(g) hydrolysis reaction
With the alkaline coupling liquid of trash ice adjustment (f) step temperature 10-15 ℃ adds sodium hydroxide solution, adjusts pH=9-9.5, keeps reaction 1-3 hour, adjusts pH=6-7 with hydrochloric acid soln then; Wherein sodium hydroxide solution is 30% sodium hydroxide solution, and hydrochloric acid soln is 30% hydrochloric acid soln; So just prepared the compound of said structure formula (I).
4. according to claim 2 or 3 described methods, wherein the H acid solution in (b) step is the aqueous solution, its pH value=6.8-7.2.
5. according to claim 2 or 3 described methods, wherein the hydrochloric acid soln in (e) step is the aqueous hydrochloric acid of 30 weight %, and sodium nitrite solution is the sodium nitrite in aqueous solution of 30 weight %.
6. according to claim 2 or 3 described methods, this method also comprises the post-processing step of product, and post-processing step comprises:
(h) remove insolubles:
The product of (g) step joined separate in the solid-liquid separator, remove waste residue, collect filtrate in storage tank;
Perhaps sodium-chlor or Repone K are joined in the product of (g) step according to a certain percentage, stirred 1 hour, join in the solid-liquid separator and separate, remove filtrate, collect filter cake, filtrate is discharged after treatment, filter cake is dissolved in water, joins in the solid-liquid separator and separate, remove waste residue, collect filtrate in storage tank, the waste residue that obtains in this step can be used for engineering soil;
(i) adjust coloured light and intensity:
The filtrate that (h) step is obtained is with small-sized spray tower drying, and the adjustment of coloured light and intensity is carried out in dyeing again according to coloration result;
(j) drying:
The look liquid that (i) step is obtained joins in the feed liquid preheating container, adjusts 210 ℃ of inlet temperatures, carries out spraying drying with 95-100 ℃ temperature out, obtains dark blue dye of the present invention.
CN 200910228250 2009-11-16 2009-11-16 Dye Active CN101817997B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109096793A (en) * 2018-09-20 2018-12-28 沈阳化工研究院有限公司 A kind of orange active dye and its preparation

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56128380A (en) * 1980-03-14 1981-10-07 Sumitomo Chemical Co Dyeing of cellulosic fiber
EP0022265B1 (en) * 1979-07-06 1983-10-12 Sumitomo Chemical Company, Limited Reactive bisazo dyes, a process for their production and their use for dyeing cellulose fibers and cellulosic textiles
JPS59133261A (en) * 1983-01-19 1984-07-31 Sumitomo Chem Co Ltd Bifunctional reactive compound
CN1418243A (en) * 2000-03-14 2003-05-14 克莱里安特财务(Bvi)有限公司 Fiber reactive disazo compounds
CN1751103A (en) * 2003-02-21 2006-03-22 日本化药株式会社 Reactive dye composition and method of dyeing with the same
CN101027363A (en) * 2004-09-29 2007-08-29 亨斯迈先进材料(瑞士)有限公司 Reactive dyes, their preparation and their use

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0022265B1 (en) * 1979-07-06 1983-10-12 Sumitomo Chemical Company, Limited Reactive bisazo dyes, a process for their production and their use for dyeing cellulose fibers and cellulosic textiles
JPS56128380A (en) * 1980-03-14 1981-10-07 Sumitomo Chemical Co Dyeing of cellulosic fiber
JPS59133261A (en) * 1983-01-19 1984-07-31 Sumitomo Chem Co Ltd Bifunctional reactive compound
CN1418243A (en) * 2000-03-14 2003-05-14 克莱里安特财务(Bvi)有限公司 Fiber reactive disazo compounds
CN1751103A (en) * 2003-02-21 2006-03-22 日本化药株式会社 Reactive dye composition and method of dyeing with the same
CN101027363A (en) * 2004-09-29 2007-08-29 亨斯迈先进材料(瑞士)有限公司 Reactive dyes, their preparation and their use

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109096793A (en) * 2018-09-20 2018-12-28 沈阳化工研究院有限公司 A kind of orange active dye and its preparation

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