CN101481543A - Reactive dye composition and method for preparation thereof - Google Patents
Reactive dye composition and method for preparation thereof Download PDFInfo
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- CN101481543A CN101481543A CNA2008101541201A CN200810154120A CN101481543A CN 101481543 A CN101481543 A CN 101481543A CN A2008101541201 A CNA2008101541201 A CN A2008101541201A CN 200810154120 A CN200810154120 A CN 200810154120A CN 101481543 A CN101481543 A CN 101481543A
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Abstract
The invention discloses a black dye composition and a preparation method thereof. The dye composition is applicable to stock-dye, in particular to dyeing of protein fiber, viscose acetal fiber, niplon and the like. The dye composition contains one or more azo dyes in a general formula (1) and one or more azo dyes in a general formula (2). The contents thereof are respectively 5-95% (weight) and 95-5% (weight). The constitutional formula is shown in the formula.
Description
Technical field
The present invention relates to technical field of dye, particularly the technical field of active azo dyes for fibers.
Background technology
In the prior art, the dyeing of protein fibre and viscose fiber, tynex etc. is always with matching stain or acid mordant dye.The non-constant of fastness that matching stain is particularly soaped aspect application performance and washed, the exhaustion rate of dyestuff is lower, acid mordant dye contains the heavy metal of contaminate environment, and use reactive dyestuffs very significantly to improve matching stain and the deficiency of acid mordant dye aspect application performance, thereby greatly reduced pollution to environment.
Aspect the use of reactive dyestuffs, can use the reactive dyestuffs of solid color to dye separately, can be as required the reactive dyestuffs of different colours be mixed.There had been the multiple mode of being mixed to prepare black and active dye on the market already.Yet it still exists some place not fully up to expectations.Relatively poor as colour fastness, degree of fixation is low, and solubleness is not ideal enough or the like.Be mixed a little dyestuff, particularly black and active dye, production cost is higher.
Summary of the invention
Therefore, the purpose of this invention is to provide a kind of reactive dye compositions.
Another object of the present invention provides the preparation method of described reactive dye compositions.Thereby the cost height that exists in the solution prior art, problem such as the dyestuff performance is not ideal enough.
Specifically, the invention provides a kind of dye composite, this dye composite comprises azoic dyestuff of one or more general formulas (1) and the azoic dyestuff of one or more general formulas (2).
In the formula: R=
-H，-SO
3H，-SO
3Na
R
1＝
-SO
2C
2H
4OSO
3Na，-SO
2C
2H
4
Ar＝
Ar
1＝
In the formula: R=
-H，-SO
3H，-SO
3Na
R
1＝
-SO
2C
2H
4OSO
3Na，-SO
2C
2H
4。
This dye composite comprises: the azoic dyestuff of 5-95% (weight) structural formula (1), the azoic dyestuff of 95-5% (weight) structural formula (2), preferably comprise: the azoic dyestuff of 15-85% (weight) structural formula, the azoic dyestuff of 85-15% (weight) structural formula (2) more preferably comprises: the azoic dyestuff of 20-80% (weight)～80: 20% (weight).
In addition, the preparation method of described dye composite comprises with the blending ratio mechanically mixing general formula (1) of needs or the dyestuff of (2).
Dye composite of the present invention can carry out stdn by the dyestuff reacted solution, again by separating or dry the acquisition.Also can be by each component dyestuff of buying, the use equipment of being mixed is mixed and obtains.
The azoic dyestuff of general formula (1) can prepare according to method commonly known in the art, and this is conspicuous for those of ordinary skills, need not to make creative work.In addition, also can adopt the commercial goods, as the KNB-reactive black series product of Tianjin moral triumphant dye processing plant production.
General formula (2) can make according to preparation method commonly known in the art equally, and this is conspicuous for those of ordinary skills, need not to make creative work.In addition, also can adopt the application number of for example Tianjin moral triumphant dye processing plant application is CN200810052129.1, and denomination of invention is the active orange dye in a kind of orange reactive dyes for wool and preparation method thereof.
In addition, as required, also can comprise various auxiliary agents and additive commonly used in the dye industry in the reactive dye compositions described in the present invention.For example, ionogen, buffer reagent, stablizer, mould inhibitor or the like.For the kind and the consumption of auxiliary agent and additive, those of ordinary skills can select in the scope of this area conventional design as required, need not to make creative work, and these selections are conspicuous to those skilled in the art.
For example, dye composite of the present invention can be a solid preparation, also can be liquid preparation.When existing with dyestuff pulvis or particle form, wherein, can include 5～60% electrolytic salt in the weight of formulation of dye granule or pulvis, perhaps contain buffer substance with shock absorption, it measures 0.1～10% of dyestuff pulvis weight preferably.
Exist if dye composite is the form with liquid preparation, can also contain guaranteed dye formulations and have more long-lived stablizer, mould inhibitor or the like.
If dye composite of the present invention exists with the form of the aqueous solution, 50% of the common no more than aqueous solution weight of dyestuff total amount, 10% weight that comprises the preferred no more than dye solution amount of cushion amount in the aqueous solution, more preferably no more than 2%, particularly preferably be 0.1～2% weight.
Dye composite colour fastness height of the present invention, solubleness is good, and the degree of fixation height.
Embodiment
Embodiment 1
1) preparation of general formula (2):
With 1-amino-8-naphthol-3.6-disulfonate sodium is coupling component, is that diazo component is an example to the beta-hydroxyethyl sulfonyl sulfate ester aniline.
A) in reactor, add entry,, stir down with the inorganic adjusting PH with base ≈ 5 in about 20% left and right sides to the beta-hydroxyethyl sulfonyl sulfate ester aniline, add hydrochloric acid and trash ice, 0 ℃～10 ℃ of temperature add Sodium Nitrite, stirring reaction 2 hours, control hydrochloric acid and nitrous acid capacity, unnecessary nitrous acid is eliminated in the reaction back.
B) carry out coupled reaction one time in the reaction solution that 1-amino-8-naphthol-3.6-disulfonate sodium pulvis (or water making beating, transfer pH ≈ 4.5 dissolvings) is joined a).
C) after a coupled reaction reaches terminal point, with the inorganic adjusting PH with base ≈ 5.5 in about 20% left and right sides, carried out the secondary coupled reaction one hour, reaction finishes.
D) ratio of components:
| Material name | Input amount (kg) |
| To the beta-hydroxyethyl sulfonyl sulfate ester aniline | 838 |
| 1-amino-8-naphthol-3.6-disulfonate sodium | 574 |
| Hydrochloric acid | 730 |
| Sodium Nitrite | 206 |
| Mineral alkali | 180 |
It is 1800kg that this batch materials can get the dry product amount, takes by weighing its liquid material about 9 and restrains in volumetric flask, shakes up with distilled water diluting to scale, measures its optical density value with spectrophotometer at the maximum absorption wavelength of this material.Record data and light absorption curve as shown in Figure 1:
Fig. 1 shows the light absorption curve of general formula (2) material.
Maximum absorption wavelength is 598.0; Optical density value is 0.3976;
Absorbing wavelength is 410.0; Optical density value is 0.0950.
In addition, also can adopt the dyestuff of the KNB-reactive black series reactive dyestuffs of for example Tianjin moral triumphant dye processing plant production as general formula (1).
2) preparation of general formula (1):
1, the dissolving of 2-naphthylamines-disulfonic acid: in water, add quantitative 2-naphthylamines-disulfonic acid, at room temperature stirring to pulp.
2, diazotization: on the rocks in 2-naphthylamines-disulfonic acid solution, under 0-10 ℃ temperature, add hydrochloric acid and sodium nitrite in aqueous solution, keep reaction feed liquid pH=1-3, nitrous acid is little excessive, stirring reaction 2 hours.Reaction after finishing is removed remaining nitrous acid.
3,2, the dissolving of 4-diamino benzene sulfonic acid sodium: in water, add quantitative 2,4-diamino benzene sulfonic acid sodium, stirring and dissolving under the normal temperature.
4, a coupling: the diazotization reaction feed liquid of 2-naphthylamines-disulfonic acid is joined 2, in the 4-diamino benzene sulfonic acid sodium water solution, stir maintenance pH=1-4 down, temperature 5-17 ℃, coupled reaction 1 hour.One time the coupling terminal point is qualified with the spectrophotometer detection.
5, the dissolving of beta-hydroxyethyl sulfonyl sulfate ester aniline: in water, add quantitative beta-hydroxyethyl sulfonyl sulfate ester aniline, at room temperature stirring to pulp.
6, diazotization: in beta-hydroxyethyl sulfonyl sulfate ester aniline solution, add ice, hydrochloric acid and sodium nitrite in aqueous solution, temperature 0-10 ℃, keep reaction feed liquid pH=1-3, nitrous acid is little excessive, stirring reaction 2 hours.Reaction after finishing is removed remaining nitrous acid.
7, secondary coupling: the diazotization reaction feed liquid of beta-hydroxyethyl sulfonyl sulfate ester aniline is joined in coupled reaction feed liquid, stir down and transfer about pH=4, transfers to PH=5-6.5 with sodium bicarbonate again with sodium carbonate solution, temperature 5-17 ℃, coupled reaction 1 hour.
8, filter: the feed liquid that will react after finishing is filtered, and collects filtrate in container for storing liquid, and filter residue focuses on.
9, ratio of components:
It is 990kg that this batch materials can get the dry product amount, takes by weighing its liquid material about 9 and restrains in volumetric flask, shakes up with distilled water diluting to scale, measures its optical density value with spectrophotometer at the maximum absorption wavelength of this material.Record data and light absorption curve as shown in Figure 2:
Fig. 2 shows the light absorption curve of general formula (1) material.
Maximum absorption wavelength is 410.0; Optical density value is 0.1738;
Absorbing wavelength is 598.0; Optical density value is 0.0.
The reactive dyestuffs of general formula (2) can adopt also that the application number of the triumphant dye processing plant application of Tianjin moral for example is 200810052129.1, denomination of invention is that active orange dye in a kind of orange reactive dyes for wool and preparation method thereof is as the reactive dyestuffs of general formula (1).
3) take by weighing reactive black standard model 2.500 and restrain in volumetric flask, shake up, measure its optical density value at the maximum absorption wavelength of this material with spectrophotometer with distilled water diluting to scale.Record data and light absorption curve as shown in Figure 3:
Fig. 3 shows the light absorption curve of standard model.
Maximum absorption wavelength is 598.0; Optical density value is 0.2692;
Absorbing wavelength is 410.0; Optical density value is 0.0940.
4) to produce 1000kg and the identical product of standard black and active dye sample, then calculate by following mathematical expression:
0.3976x+0.0y＝0.2692×1000-----------------------①
0.0950x+0.1738y＝0.0940×1000-----------------------②
Can get by above-mentioned equation:
x＝677.0623742
y＝170.7656758
The meaning of numeral is:
The identical dyestuff of x-be mixed 1000kg and black and active dye standard model, then needing maximum extinction wavelength is 598.0 o'clock, light absorption value is the about 677kg of material of 0.3976 general formula (2)
The material of y-this standard model of 1000kg that be mixed, then needing maximum extinction wavelength is 410.0 o'clock, light absorption value is the about 170.8kg of material of 0.1738 general formula (1).
5) need the massfraction of amount W:(moisture of auxiliary agent by 5.0%)
W＝1000-50-(x+y)＝102.17
The numeral meaning is:
Be mixed with the material 170.8kg of above-mentioned general formula (2) material 677kg and general formula (1) and auxiliary agent 102kg and get final product.
X+y≤1000kg blendes together and the duplicate dyestuff of standard model if the numerical value of x+y greater than 1000kg, then can not be pieced together.
6) the uniform material that will be mixed carries out drying with small drying apparatus, and dried material takes by weighing the weight identical with standard model, and does identical operations with standard model, measures its optical density value with spectrophotometer at the maximum absorption wavelength of each material.Record data and light absorption curve as shown in Figure 4:
Fig. 4 shows and pieces together the light absorption curve of mixing sample and standard model.
7) with the moisture massfraction of moisture content tester mensuration material, carry out inching by light absorption curve.
8) wait to piece together mix the material light absorption curve and the standard model light absorption curve overlap substantially after, the exsiccant material is carried out pure cotton fabric with standard model with condition dyes the color measurement instrument colour examining of the fabric after the dyeing.Data see Table 1:
The colour examining data of table 1 DYED FABRICS
| Dye level | 1％o.w.f. | 3％o.w.f. |
| △L | -0.066 | -0.089 |
| △a | -0.108 | 0.014 |
| △b | 0.053 | 0.044 |
| △C | 0.018 | -0.046 |
| △H | -0.119 | 0.006 |
| △E | 0.137 | 0.100 |
| Apparent | 100.796 | 101.069 |
Can find out that from last table data this material is again through reaching qualified level behind the inching coloured light.Belonging to the scope of this area conventional design for the adjustment of coloured light, is conspicuous for those of ordinary skills, and those of ordinary skills can use coloured light commonly used in this area to adjust means coloured light is adjusted.
Embodiment 2
The dry material 1000kg of existing general formula (1), the material 2000kg of general formula (2) according to preferential especially part by weight, adds general formula (1) material 500kg respectively in piecing together mixing device; General formula (2) material 2000kg.
1) after being mixed evenly, taking by weighing the material that is mixed with the standard model identical weight, and press the measuring method mensuration λ 598.0nm of standard model and the light absorption value at λ 410.0nm place, as shown in Figure 5.
Fig. 5 shows standard model and pieces together the light absorption curve of mixing sample.
Black curve is a reactive black standard model light absorption curve among the figure; Blue curve is mixed the sample light absorption curve for piecing together.Piecing together mixed absorption of sample wavelength is 598.0; Optical density value is 0.2759;
Absorbing wavelength is 410.0; Optical density value is 0.0888.
The standard model absorbing wavelength is 598.0; Optical density value is 0.2647;
Absorbing wavelength is 410.0; Optical density value is 0.0876.
General formula (1) material absorbing wavelength is 410.0; Optical density value is 0.1738;
Absorbing wavelength is 598.0; Optical density value is 0.0.
2) then by following mathematical computations:
0.2759x+0.0y＝0.2647×2500-----------------------①
0.0888x+0.1738y＝0.0876×2500-----------------------②
Separating these simultaneous equations can get:
x＝2398.5
y＝6.0
3) will add 6.0kg general formula (1) material in the above-mentioned material that is mixed again, be mixed evenly after, carry out pure cotton fabric dyeing, the colour examining data after the dyeing are as shown in table 2:
The colour examining data of table 2 DYED FABRICS
| Dye level | 1％o.w.f. | 3％o.w.f. |
| △L | -0.169 | -0.026 |
| △a | 0.043 | -0.023 |
| △b | 0.060 | 0.039 |
| △C | -0.073 | -0.035 |
| △H | 0.004 | -0.029 |
| △E | 0.185 | 0.052 |
| Apparent | 101.334 | 100.327 |
Piece together mixed material one from last this batch of table data analysis and reach qualified level.
1) the dry material 4000kg. of existing general formula (2) takes by weighing about 2.5 and restrains be diluted with water to scale in volumetric flask, shakes up, and record data with spectrophotometer and be: absorbing wavelength is 598.0; Optical density value is 0.3106; Absorbing wavelength is 410.0; Optical density value is 0.0999.
2) having general formula (1) liquid material to amount to dry product is 900kg, according to preferential especially part by weight, adds general formula (2) material 1700kg in piecing together mixing device, and evenly back (look material dissolution situation gram and suitably add water) is mixed.Take by weighing the liquid material of 9.0 grams after being mixed in volumetric flask, be diluted with water to scale, shake up, record data with spectrophotometer and be: absorbing wavelength is 598.0; Optical density value is 0.2647; Absorbing wavelength is 410.0; Optical density value is 0.1354.Recording reactive black standard model absorbing wavelength when logical is 598.0; Optical density value is 0.2647; Absorbing wavelength is 410.0; Optical density value is 0.0876.As shown in Figure 6:
Fig. 6 shows reactive black standard specimen (black) and the light absorption curve of sample (green) that be mixed.
3) by following mathematical computations:
0.2647x+0.3106y＝0.2647×2600-----------------------①
0.1354x+0.0999y＝0.0876×2600-----------------------②
Separating these simultaneous equations can get:
x＝127.4
y＝2107.2
4) calculation result is the dry material 2107.2kg. that need add general formula (2) again in mixed solution
5) amount (comprising the moisture quality) of adding auxiliary agent:
W＝2600-(127.4+2107.2)＝365.4
6) required material is all added back (look material dissolution situation gram and suitably add water), fully mix.Take by weighing the liquid material of 9.0 grams after being mixed in volumetric flask, be diluted with water to scale, shake up, record data with spectrophotometer and be: absorbing wavelength is 598.0; Optical density value is 0.2647; Absorbing wavelength is 410.0; Optical density value is 0.0877.Light absorption curve and reactive black standard model light absorption curve basically identical, as shown in Figure 7:
Fig. 7 shows reactive black standard model light absorption curve (black) and the light absorption curve (purple) of the sample that is mixed.
7) the above-mentioned material that is mixed is carried out pure cotton fabric dyeing with the reactive black standard model, the colour examining data after the dyeing are as shown in table 3:
The colour examining data of table 3 DYED FABRICS
| Dye level | 1％o.w.f. | 3％o.w.f. |
| △L | -0.058 | -0.014 |
| △a | -0.038 | 0.052 |
| △b | 0.045 | 0.095 |
| △C | -0.015 | -0.103 |
| △H | -0.057 | 0.033 |
| △E | 0.083 | 0.109 |
| Apparent | 100.527 | 100.267 |
Piece together mixed material one from last this batch of table data analysis and reach qualified level.
Below in conjunction with the embodiments the present invention has been carried out more detailed explanation.But those of ordinary skills should be understood that, the present invention is not limited to the described content of embodiment, under the prerequisite that does not break away from spirit of the present invention, those of ordinary skills can carry out various improvement and change to the present invention, and these improvement and the change all fall within the scope of the present invention.Protection scope of the present invention is determined with appending claims and equivalent thereof.
Claims (7)
1, a kind of dye composite, this dye composite comprise azoic dyestuff of one or more general formulas (1) and the azoic dyestuff of one or more general formulas (2).
In the formula: R=
-H，-SO
3H，-SO
3Na
R
1＝
-SO
2C
2H
4OSO
3Na，-SO
2C
2H
4
Ar＝
Ar
1＝
In the formula: R=
-H，-SO
3H，-SO
3Na
R
1＝
-SO
2C
2H
4OSO
3Na，-SO
2C
2H
4。
2, dye composite as claimed in claim 1, this dye composite comprises: the azoic dyestuff of 5-95% (weight) structural formula (1), the azoic dyestuff of 95-5% (weight) structural formula (2).
3, dye composite as claimed in claim 1 or 2, this dye composite comprises: the azoic dyestuff of 15-85% (weight) structural formula, the azoic dyestuff of 85-15% (weight) structural formula (2).
4, dye composite as claimed in claim 3, this dye composite comprises: azoic dyestuff of one or more general formulas of blending ratio blended (1) of 20-80% (weight)～80:20% weight and the azoic dyestuff of one or more general formulas (2).
5, as each described dye composite of claim 1-4, wherein comprise 5～60% electrolytic salt, perhaps contain the buffer substance with shock absorption, its consumption is 0.1～10% of a dyestuff pulvis weight.
6, dye composite as claimed in claim 5 wherein comprises stablizer and/or mould inhibitor.
7, the preparation method of each described dye composite of claim 1～6, this method comprise with the blending ratio mechanically mixing general formula (1) of needs or the dyestuff of (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101541201A CN101481543A (en) | 2008-12-12 | 2008-12-12 | Reactive dye composition and method for preparation thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101541201A CN101481543A (en) | 2008-12-12 | 2008-12-12 | Reactive dye composition and method for preparation thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101481543A true CN101481543A (en) | 2009-07-15 |
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ID=40878840
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|---|---|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103013174A (en) * | 2012-12-17 | 2013-04-03 | 浙江亿得化工有限公司 | Composite reactive dye composition and use method |
-
2008
- 2008-12-12 CN CNA2008101541201A patent/CN101481543A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103013174A (en) * | 2012-12-17 | 2013-04-03 | 浙江亿得化工有限公司 | Composite reactive dye composition and use method |
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Application publication date: 20090715 |