CN102391673A - Yellow reactive dye for nylon dyeing and preparation method thereof - Google Patents
Yellow reactive dye for nylon dyeing and preparation method thereof Download PDFInfo
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- CN102391673A CN102391673A CN2011101896268A CN201110189626A CN102391673A CN 102391673 A CN102391673 A CN 102391673A CN 2011101896268 A CN2011101896268 A CN 2011101896268A CN 201110189626 A CN201110189626 A CN 201110189626A CN 102391673 A CN102391673 A CN 102391673A
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Abstract
The invention relates to a yellow reactive dye for nylon dyeing and a preparation method thereof. The molecular structure of the reactive dye is shown in a formula (I). The invention also provides the preparation method of the reactive dye. The yellow reactive dye prepared by the preparation method provided by the invention has brilliant coloured light, extremely excellent various wet fastness properties and extremely high net absorption rate and promotion rate, and the preparation method is simple to operate.
Description
Technical field
The present invention relates to a kind of reactive dyestuffs and preparation method thereof, especially a kind of nylon Yellow active dye and preparation method thereof that dyes.
Background technology
Generally dye the used dyestuff of nylon now and be matching stain and weak acid dye.Because not good enough with the wet fastness of nylon each item that matching stain dyed, coloured light is not very gorgeous, clean absorption rate is low, and the dyeing liquid waste concentration is high, pollutes to environment.Get into 21 century, because the restriction of environmental ecology, for dye uptake, requiring of degree of fixation and dyeing waste liquid is increasingly high, and matching stain can not satisfy the dyeing nylon demand.The present invention provides one type of nonmetal complexdyes, and is better to dyeing nylon.
Summary of the invention
Technical problem to be solved by this invention provides one can reduce environmental pollution; The desired raw material cost is low, and beautiful in colour, each item fastness (wet rub, soap, alkali sweat, sour sweat, washing) excellent performance that wets; Easy to use, the nylon active that suitability is strong is yellow and preparation method thereof.
In order to solve the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of nylon Yellow active dye that dyes, the molecular structure of these reactive dyestuffs are suc as formula (I): shown in
R in the formula
1Be following structural formula (R
1-1) to structural formula (R
1-2) any substituting group.
R in the formula
2Be following structural formula (R
2-1) to structural formula (R
2-3) any substituting group.
Preferably, R
2For
Preferably, these reactive dyestuffs have following structural formula:
The present invention also provides a kind of preparation method of Yellow active dye, comprises the steps:
The dissolving of a, right-beta-hydroxyethyl sulfone sulfate ester aniline: in retort, add water, add right-beta-hydroxyethyl sulfone sulfate ester aniline then, stir, transfer pH=3.8-4, make right-beta-hydroxyethyl sulfone sulfate ester aniline solution with sodium hydrogencarbonate, subsequent use;
B, one reaction of contracting: in add quantitative trash ice, add cyanuric chloride then, the ice mill is after 15 minutes; Begin to drip the right-beta-hydroxyethyl sulfone sulfate ester aniline solution of step a preparation; Dropwise, keep pH at 2-4 with sodium hydrogencarbonate, temperature keeps 6-8 ℃; React after 5 hours, the reaction solution that contracts.Subsequent use;
C, two reaction of contracting: in the b step 1 contracts reaction solution, add 2,4-diamino benzene sulfonic acid sodium stirs, and temperature is risen to 30-45 ℃, react 6 hours, and reaction pH value remains on 4-6.5, and reaction solution must two contracts.Subsequent use;
D ,-beta-hydroxyethyl sulfone sulfate ester aniline diazotization reaction: in retort, add water, between adding then-the beta-hydroxyethyl sulfone sulfate ester aniline, stir, add trash ice, temperature is controlled at 0 ℃.The hydrochloric acid of adding 30% adds 30% sodium nitrite solution, again at temperature 6-8 ℃; Reacted 2 hours, it is blue that reaction process is guaranteed to be after congo-red test paper soaks all the time, is little blueness after the KI test paper soaks; Reaction finishes and removes the residue Sodium Nitrite with thionamic acid, gets doazo reaction liquid, and is subsequent use;
E, coupled reaction: with the doazo reaction liquid that the d step obtains, be added drop-wise to two of step c and contract in the reaction solution, stir.Transfer pH=8 with yellow soda ash simultaneously, be warming up to 15 ℃, reacted 3 hours, reaction finishes.Filter, get coupled reaction liquid, subsequent use;
F, hydrolysis reaction:
The temperature of e step gained coupled reaction liquid is controlled at 30 ℃, and the pH value remains on 8 reactions that are hydrolyzed, and the reaction times is 6 hours, hydrolysis reaction liquid; It is Yellow active dye.
Preferably, method of the present invention can also comprise step g:
G is refining:
With adding sodium-chlor in the f step gained hydrolysis reaction liquid, make dyestuff separate out, again precipitate is joined in the solid-liquid separator, separate, collect filter cake, weigh, analyze content, subsequent use;
Preferably, method of the present invention can also comprise step h:
H is dry: with g step filter cake, dry, pulverize;
Preferably, method of the present invention can also comprise step I:
I adjustment coloured light and intensity:
With the dyeing of h step material, carry out coloured light, intensity adjustment according to coloration result again;
Preferably, method of the present invention can also comprise step j:
J finished product packing: the article of i step gained are packed.
Among the above-mentioned preparation method, the structural formula of right-beta-hydroxyethyl sulfone sulfate ester aniline is:
Between-structural formula of beta-hydroxyethyl sulfone sulfate ester aniline is:
The beneficial effect that the present invention had:
Yellow active dye of the present invention has bright-coloured beautiful coloured light, and each item wet fastness properties is very superior, very high inspiration rate and lifting rate, and also easy and simple to handle.
Yellow active dye of the present invention in dyeing nylon, is compared with matching stain, no matter is each item fastness, all is excellent to the environment protection aspect still.
Embodiment
For specifying technical scheme of the present invention, enumerate embodiment below and specify technical scheme of the present invention, this embodiment does not form any restriction of the present invention.
Embodiment 1
A kind of Yellow active dye has following structural formula:
The preparation method of above-mentioned Yellow active dye comprises the steps:
The dissolving of a, right-beta-hydroxyethyl sulfone sulfate ester aniline: in retort, add 1800 liters in water; Add then 301kg right-the beta-hydroxyethyl sulfone sulfate ester aniline, stir, transfer PH=3.8-4 with sodium hydrogencarbonate; Make right-beta-hydroxyethyl sulfone sulfate ester aniline solution, subsequent use;
B, one reaction of contracting: in retort, add 800 liters, trash ice 1500Kg stirs; Add cyanuric chloride 188kg, the ice mill began to drip right-beta-hydroxyethyl sulfone sulfate ester aniline solution that step a makes after 15 minutes; Dropwise, keep PH at 2-4 with sodium hydrogencarbonate, temperature keeps 6-8 ℃; React after 5 hours, the reaction solution that contracts.Subsequent use;
C, two reaction of contracting: in the b step 1 contracts reaction solution, add 252Kg 2,4-diamino benzene sulfonic acid sodium stirs, and temperature is risen to 30-45 ℃, react 6 hours, and reaction pH value remains on 4-6.5, and reaction solution must two contracts.Subsequent use;
D ,-beta-hydroxyethyl sulfone sulfate ester aniline diazotization reaction: in retort, add 1500 liters in water, add then 290kg between-the beta-hydroxyethyl sulfone sulfate ester aniline, stir, add trash ice, temperature is controlled at 0 ℃.The hydrochloric acid 267kg of adding 30% adds 30% sodium nitrite solution 240kg, again at temperature 6-8 ℃; Reacted 2 hours; It is blue that reaction process is guaranteed to be after congo-red test paper soaks all the time, is little blueness after the KI test paper soaks, and reaction finishes and removes the residue Sodium Nitrite with thionamic acid; Get doazo reaction liquid, subsequent use;
E, coupled reaction: with the doazo reaction liquid that the d step obtains, be added drop-wise to two of step c and contract in the reaction solution, stir.Transfer PH=8 with yellow soda ash simultaneously, be warming up to 15 ℃, reacted 3 hours, reaction finishes.Filter, get coupled reaction liquid, subsequent use;
F, hydrolysis reaction:
The temperature of e step gained coupled reaction liquid is controlled at 30 ℃, and the pH value remains on 8 reactions that are hydrolyzed, and the reaction times is 6 hours, hydrolysis reaction liquid; It is Yellow active dye.
G is refining:
With adding sodium-chlor in the f step gained hydrolysis reaction liquid, make dyestuff separate out, again precipitate is joined in the solid-liquid separator, separate, collect filter cake, weigh, analyze content, subsequent use;
H is dry: with g step filter cake, dry, pulverize;
I adjustment coloured light and intensity:
With the dyeing of h step material, carry out coloured light, intensity adjustment according to coloration result again;
J finished product packing: the article of i step gained are packed.
Preparing method of the present invention, prepared Yellow active dye has bright-coloured beautiful coloured light, and each item wet fastness properties is very superior, very high clean absorption rate and lifting rate, and also easy and simple to handle.
The nylon of embodiment 1 preparation is following with the dyeing behavior of Yellow active dye:
Table one: Yellow active dye performance, quality index
Table two: performance index contrast
Dyestuff of the present invention and dyestuff preparation method are described through concrete 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 the present invention; 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 all to be regarded as and are included within the scope of the present invention.
Claims (4)
1. one kind is dyed the nylon Yellow active dye, it is characterized in that: the molecular structure of these reactive dyestuffs is suc as formula shown in (I)
R in the formula
1Be following structural formula (R
1-1) to structural formula (R
1-2) any substituting group,
R in the formula
2Be following structural formula (R
2-1) to structural formula (R
2-3) any substituting group,
2. a kind of nylon Yellow active dye that dyes according to claim 1 is characterized in that: said R
2For
3. a kind of nylon Yellow active dye that dyes according to claim 1 and 2, it is characterized in that: the structural formula of these reactive dyestuffs is:
4. the preparation method of each said Yellow active dye of claim 1-3 is characterized in that: comprise the steps:
The dissolving of a, right-beta-hydroxyethyl sulfone sulfate ester aniline: in retort, add water, add right-beta-hydroxyethyl sulfone sulfate ester aniline then, stir, transfer pH=3.8-4, make right-beta-hydroxyethyl sulfone sulfate ester aniline solution with sodium hydrogencarbonate, subsequent use;
B, one reaction of contracting: in add quantitative trash ice, add cyanuric chloride then, the ice mill is after 15 minutes; Begin to drip the right-beta-hydroxyethyl sulfone sulfate ester aniline solution of step a preparation; Dropwise, keep pH at 2-4 with sodium hydrogencarbonate, temperature keeps 6-8 ℃; React after 5 hours, the reaction solution that contracts.Subsequent use;
C, two reaction of contracting: in the b step 1 contracts reaction solution, add 2,4-diamino benzene sulfonic acid sodium stirs, and temperature is risen to 30-45 ℃, react 6 hours, and reaction pH value remains on 4-6.5, and reaction solution must two contracts.Subsequent use;
D ,-beta-hydroxyethyl sulfone sulfate ester aniline diazotization reaction: in retort, add water, between adding then-the beta-hydroxyethyl sulfone sulfate ester aniline, stir, add trash ice, temperature is controlled at 0 ℃.The hydrochloric acid of adding 30% adds 30% sodium nitrite solution, again at temperature 6-8 ℃; Reacted 2 hours, it is blue that reaction process is guaranteed to be after congo-red test paper soaks all the time, is little blueness after the KI test paper soaks; Reaction finishes and removes the residue Sodium Nitrite with thionamic acid, gets doazo reaction liquid, and is subsequent use;
E, coupled reaction: with the doazo reaction liquid that the d step obtains, be added drop-wise to two of step c and contract in the reaction solution, stir.Transfer pH=8 with yellow soda ash simultaneously, be warming up to 15 ℃, reacted 3 hours, reaction finishes.Filter, get coupled reaction liquid, subsequent use;
F, hydrolysis reaction:
The temperature of e step gained coupled reaction liquid is controlled at 30 ℃, and the pH value remains on 8 reactions that are hydrolyzed, and the reaction times is 6 hours, hydrolysis reaction liquid; It is Yellow active dye.
Preferably, method of the present invention can also comprise step g:
G is refining:
With adding sodium-chlor in the f step gained hydrolysis reaction liquid, make dyestuff separate out, again precipitate is joined in the solid-liquid separator, separate, collect filter cake, weigh, analyze content, subsequent use;
Preferably, method of the present invention can also comprise step h:
H is dry: with g step filter cake, dry, pulverize;
Preferably, method of the present invention can also comprise step I:
I adjustment coloured light and intensity:
With the dyeing of h step material, carry out coloured light, intensity adjustment according to coloration result again;
Preferably, method of the present invention can also comprise step j:
J finished product packing: the article of i step gained are packed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101896268A CN102391673A (en) | 2011-07-07 | 2011-07-07 | Yellow reactive dye for nylon dyeing and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101896268A CN102391673A (en) | 2011-07-07 | 2011-07-07 | Yellow reactive dye for nylon dyeing and preparation method thereof |
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| CN102391673A true CN102391673A (en) | 2012-03-28 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1104227A (en) * | 1993-10-07 | 1995-06-28 | 希巴—盖吉股份公司 | Reactive dyes, preparation thereof and use thereof |
| US5514782A (en) * | 1992-04-01 | 1996-05-07 | Hoechst Aktiengesellschaft | Phenyl-azo-aminophenyl compounds substituted by an aminosubstituted fluoro-triazinylamino group and a fibre-reactive group of the vinylsulfone series |
| CN1443219A (en) * | 2000-07-25 | 2003-09-17 | 德意志戴斯达纺织品及染料两合公司 | Yellow reactive monoazo dyes, methods for their preparation and use thereof |
| CN101074324A (en) * | 2006-05-16 | 2007-11-21 | 上海雅运纺织化工有限公司 | Yellow active dye composition and its use |
| CN101302355A (en) * | 2007-05-08 | 2008-11-12 | 上海雅运纺织化工有限公司 | Yellow reactive dye composition and use thereof |
-
2011
- 2011-07-07 CN CN2011101896268A patent/CN102391673A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5514782A (en) * | 1992-04-01 | 1996-05-07 | Hoechst Aktiengesellschaft | Phenyl-azo-aminophenyl compounds substituted by an aminosubstituted fluoro-triazinylamino group and a fibre-reactive group of the vinylsulfone series |
| CN1104227A (en) * | 1993-10-07 | 1995-06-28 | 希巴—盖吉股份公司 | Reactive dyes, preparation thereof and use thereof |
| CN1443219A (en) * | 2000-07-25 | 2003-09-17 | 德意志戴斯达纺织品及染料两合公司 | Yellow reactive monoazo dyes, methods for their preparation and use thereof |
| CN101074324A (en) * | 2006-05-16 | 2007-11-21 | 上海雅运纺织化工有限公司 | Yellow active dye composition and its use |
| CN101302355A (en) * | 2007-05-08 | 2008-11-12 | 上海雅运纺织化工有限公司 | Yellow reactive dye composition and use thereof |
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Application publication date: 20120328 |