CN104371363B - A kind of Yellow disperse dye, its preparation method and purposes - Google Patents
A kind of Yellow disperse dye, its preparation method and purposes Download PDFInfo
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- CN104371363B CN104371363B CN201310753231.5A CN201310753231A CN104371363B CN 104371363 B CN104371363 B CN 104371363B CN 201310753231 A CN201310753231 A CN 201310753231A CN 104371363 B CN104371363 B CN 104371363B
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- 239000000986 disperse dye Substances 0.000 title claims abstract description 45
- 238000002360 preparation method Methods 0.000 title abstract description 3
- 239000000975 dye Substances 0.000 claims abstract description 46
- 238000004043 dyeing Methods 0.000 claims abstract description 13
- 150000001875 compounds Chemical class 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 239000012752 auxiliary agent Substances 0.000 claims description 17
- 239000004744 fabric Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 10
- 239000004576 sand Substances 0.000 claims description 7
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 6
- 239000002270 dispersing agent Substances 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 239000006185 dispersion Substances 0.000 claims description 5
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical group [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 229920001732 Lignosulfonate Polymers 0.000 claims description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 2
- 230000000844 anti-bacterial effect Effects 0.000 claims description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052794 bromium Inorganic materials 0.000 claims description 2
- 125000001246 bromo group Chemical group Br* 0.000 claims description 2
- 229910052739 hydrogen Chemical group 0.000 claims description 2
- 239000001257 hydrogen Chemical group 0.000 claims description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 2
- 235000011152 sodium sulphate Nutrition 0.000 claims description 2
- 238000001694 spray drying Methods 0.000 claims description 2
- 239000004094 surface-active agent Substances 0.000 claims description 2
- 238000009833 condensation Methods 0.000 claims 1
- 230000005494 condensation Effects 0.000 claims 1
- 239000008187 granular material Substances 0.000 claims 1
- 229920000728 polyester Polymers 0.000 abstract description 9
- 210000003296 saliva Anatomy 0.000 abstract description 6
- 238000005406 washing Methods 0.000 abstract description 6
- MHXFWEJMQVIWDH-UHFFFAOYSA-N 1-amino-4-hydroxy-2-phenoxyanthracene-9,10-dione Chemical compound C1=C(O)C=2C(=O)C3=CC=CC=C3C(=O)C=2C(N)=C1OC1=CC=CC=C1 MHXFWEJMQVIWDH-UHFFFAOYSA-N 0.000 abstract description 5
- AIARLPIXVMHZLJ-UHFFFAOYSA-N 4,8-diamino-2-bromo-1,5-dihydroxyanthracene-9,10-dione Chemical compound O=C1C2=C(N)C=C(Br)C(O)=C2C(=O)C2=C1C(O)=CC=C2N AIARLPIXVMHZLJ-UHFFFAOYSA-N 0.000 abstract description 5
- 229920000742 Cotton Polymers 0.000 abstract description 3
- 230000004308 accommodation Effects 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 16
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 6
- 239000000725 suspension Substances 0.000 description 6
- 238000009826 distribution Methods 0.000 description 4
- 229920005610 lignin Polymers 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- RTZYVAQWQXPIAC-UHFFFAOYSA-N 4-[(4-phenyldiazenylphenyl)diazenyl]phenol Chemical compound C1=CC(O)=CC=C1N=NC1=CC=C(N=NC=2C=CC=CC=2)C=C1 RTZYVAQWQXPIAC-UHFFFAOYSA-N 0.000 description 2
- 238000003556 assay Methods 0.000 description 2
- 0 *C1=CC2=CC=CCC2N=C1C(C(c1ccccc11)=C=C)C1=O Chemical compound *C1=CC2=CC=CCC2N=C1C(C(c1ccccc11)=C=C)C1=O 0.000 description 1
- 241000222065 Lycoperdon Species 0.000 description 1
- 241000768494 Polymorphum Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 229920004933 Terylene® Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000987 azo dye Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
A kind of washing fastness, crock fastness, light fastness, Yellow disperse dye that resistance to saliva fastness is the most excellent, its preparation method and purposes.The pH wide accommodation of described dyestuff, to compound compatibility good with C.I. disperse red 60 and C.I. Disperse Blue-56, is particularly well-suited to the dyeing of polyester cotton.
Description
Technical field
The present invention relates to a kind of Yellow disperse dye, described Yellow disperse dye is applicable to fabric, particularly terylene and
The dyeing of blend fabric.
Background technology
Increasingly serious along with environmental issue, many countries put into effect for environmental issue a series of law, regulation and
Policy.In view of the environmental requirement that dye industry is most basic, forbidding azo dyes such as disperse yellow 23#, will move out the stage of history.So
And, this product is used century more than one, is known, is accustomed to, and the succedaneum that will find this product has become dyestuff raw
The task of top priority of product person.Although occurring in that many succedaneum currently on the market, but all there is some difference with disperse yellow 23#.It
Or high expensive, or pH scope is the narrowest, or with C.I. disperse red 60, that C.I. Disperse Blue-56 compounds compatibility is bad,
Compound product cylinder end to end difference is big, or fastness ability deviation etc..
Summary of the invention
The present invention provides the yellow dispersion dye that a kind of washing fastness, crock fastness, light fastness, resistance to saliva fastness are the most excellent
Material, the pH wide accommodation of this dyestuff, to compound compatibility good with C.I. disperse red 60 and C.I. Disperse Blue-56, is particularly well-suited to wash
The dyeing of cotton blended fabric.
The present invention provides a kind of Yellow disperse dye, it is characterised in that by one or both components A as the formula (1),
In formula (1), X is bromine or hydrogen；
Component B as the formula (2),
Component C as the formula (3),
Optional component D as the formula (4),
And auxiliary agent and water form.
According to Yellow disperse dye of the present invention, it is characterised in that described component A is the chemical combination shown in formula (1-1)
Thing,
According to Yellow disperse dye of the present invention, it is characterised in that described component A is the chemical combination shown in formula (1-2)
Thing,
Gross weight based on described Yellow disperse dye, the percentage by weight of component A is 14.2-60%, preferably 14.9-
57%.The percentage by weight of component B is 3.1-16%, preferably 3.2-12.4%, or preferably 3.2-11.5%.The weight of component C
Percentage ratio is 0.2-3.8%, preferably 0.2-3.6%, or preferably 0.2-2.3%.The percentage by weight of component D is 0-4%, preferably
For 0.2-2.2%.
According to Yellow disperse dye of the present invention, it is preferably based on the gross weight of described Yellow disperse dye, including:
Percentage by weight is component A of 14.2-60%,
Percentage by weight is component B of 3.1-16%,
Percentage by weight is component C of 0.2-3.8%,
Optional percentage by weight is component D of 0-4%,
Surplus is auxiliary agent and water.
According to Yellow disperse dye of the present invention, it is preferably based on the gross weight of described Yellow disperse dye,
The percentage by weight of component A is 14.9-57%,
The percentage by weight of component B is 3.2-12.4%,
The percentage by weight of component C is 0.2-3.6%,
Surplus is auxiliary agent and water.
According to Yellow disperse dye of the present invention, it is preferably based on the gross weight of described Yellow disperse dye,
The percentage by weight of component A is 14.9-57%,
The percentage by weight of component B is 3.2-11.5%,
The percentage by weight of component C is 0.2-2.3%,
The percentage by weight of component D is 0.2-2.2%,
Surplus is auxiliary agent and water.
In actual production process, each dye component of the present invention generally may be miscellaneous with other with some by-products
Matter, but as long as not affecting the enforcement of the present invention.
According to disperse dyes of the present invention, the most described auxiliary agent includes following one or more: naphthalene system sulphur
Acid formaldehyde condensation products, lignosulfonates, sodium sulfate, surfactant, antibacterial, or other dye dispersants.
According to disperse dyes of the present invention, the most described auxiliary agent is 0.3～4:1 with the weight ratio of disperse dyes.
The present invention also provides for a kind of method prepared according to disperse dyes of the present invention, it is characterised in that include with
Lower step:
After described each dye component is mixed, carry out at particlized with sand mill or grinder in the presence of auxiliary agent and water
Reason；Or described each dye component is carried out particlized process with sand mill or grinder respectively in the presence of auxiliary agent and water,
Mix again.
Yellow disperse dye sand mill of the present invention or grinder can be that aqueous (usual solid content is 20 after grinding
～50%), can be powdery or graininess (usual solid content is 87～96%) after spray drying.Present invention also offers according to this
Bright described disperse dyes are for the purposes of the dyeing of fabric.
The present invention also provides for a kind of fabric, it is characterised in that carry out according to disperse dyes of the present invention by using
Dyeing prepares.
The washing fastness of Yellow disperse dye of the present invention, crock fastness, light fastness, resistance to saliva fastness are the most excellent
Good, and pH wide accommodation, to compound compatibility good with C.I. disperse red 60 and C.I. Disperse Blue-56, is particularly well-suited to polyester cotton blending
The dyeing of fabric.
Detailed description of the invention
Embodiment
Below in conjunction with embodiment, the invention will be further described, but protection scope of the present invention is not limited to this.
In an embodiment, component A of the present invention, B, C and optional component D, by certain proportioning and auxiliary agent and water blending
After, it is ground dispersion with sand mill and makes slurry, or be spray-dried further, thus make dyestuff.
Described component A, B, C, D are known dye composition, and can commercially buy.
Embodiment 1:
By 21 grams of formula (1-1) dye components, 5.6 grams of formula (2) dye components, 0.4 gram of formula (3) dye component, 40 grams of dispersions
Agent MF and 33 grams of lignin 85A, adds water 200 grams and stirs, and grinding distribution is also dried, and obtains dyestuff finished product, dyes
To the yellow-coloured polyester that every fastness ability is excellent.
Comparative example 1:
By 21 grams of formula (1-1) dye components, 6 grams of formula (2) dye components, 40 grams of Dispersant MFs and 33 grams of lignin 85A, add
200 grams of water stirs, and grinding distribution is also dried, and obtains dyestuff finished product, and dyeing obtains the Huang that every fastness ability is excellent
Color polyester.
The dyestuff finished product of embodiment 1 and comparative example 1 is carried out performance test.
Concrete method of testing is as follows:
According to the method that GB/T2394-2003 is similar, weigh the dyestuff finished product of 0.25 gram of embodiment 1 and comparative example 1 respectively
To the water of 250ml, make disperse dyes suspension.Draw 40ml disperse dyes suspension to mix with the water of 60ml, use acetic acid
Regulation dye bath pH to 5, was then warmed up to 60 DEG C, is respectively put into 2g polyester fiber simultaneously and carries out high-temperature pressure dyeing, at 35 minutes
Inside it is warmed up to 130 DEG C, is incubated 45 minutes, be cooled to 80 DEG C of samplings.
Observe cloth specimen coloured light and use GB/T3921-2008, GB/T3920-2008, GB/T8427-2008, GB/
T18886-2002 and reference GB/T2400-2006, measure their washing fastness, crock fastness, light fastness, resistance to saliva
Fastness, compatibility, measurement result is shown in Table 1.
Table 1
Note: described compatibility refers to described dyestuff finished product and C.I. disperse red 60 and the compounding compatibility of C.I. Disperse Blue-56
Property, lower same.
The method measuring compatibility is: dye with reference to GB/T2394-2003, enters dye from 60 DEG C, when temperature is raised to 80
DEG C time at once take a sample, take a sample every 10 DEG C later, until 130 DEG C, and, be incubated 10 minutes, 20 points at 130 DEG C
Clock, 30 minutes, 50 minutes time separately sampled, take 10 pieces of cloth specimens altogether.Being incubated 50 minutes as standard specimen with 130 DEG C, each shelves temperature is taken
Cloth specimen is sample, observes whether its foxy synchronizes.The Pyatyi system of being divided into I, II, III, IV, V (instrument: Computer color testing instrument
Datacolor600, colour difference formula CMC2:1).For Lycoperdon polymorphum Vitt color and luster, calculate DC(gorgeous degree poor), DH(hue difference) respectively less than 1.0
Cloth specimen block number.
I grade: five pieces and more than five pieces
II grade: four pieces
III grade: three pieces
IV grade: two pieces
V grade: one piece.
Embodiment 2:
By 50 grams of formula (1-1) dye components, 10 grams of formula (2) dye components, 20 grams of formula (3) dye components, 47 grams of dispersants
MF and 33 grams of lignin 83A, adds water 300 grams and stirs, and grinding distribution is also dried, and obtains dyestuff finished product, and dyeing obtains
The yellow-coloured polyester that every fastness ability is excellent.
Comparative example 2:
By 50 grams of formula (I) dye components, 10 grams of formula (II) dye components, 10 grams of formula (III) dye components, 10 grams of formula (IV)
Dye component, 47 grams of Dispersant MFs and 33 grams of lignin 83A, add water 300 grams and stir, and grinding distribution is also dried, i.e.
Obtaining dyestuff finished product, dyeing obtains the yellow-coloured polyester that every fastness ability is excellent.
Described formula (I), formula (II), formula (III) and formula (IV) dye component derive from China Patent No.
CN200910115471.6, their structural formula is as follows:
The dyestuff finished product of embodiment 2 and comparative example 2 is carried out performance test.
Concrete method of testing is as follows:
According to the method that GB/T2394-2003 is similar, weigh the dyestuff finished product of 0.25 gram of embodiment 2 and comparative example 2 respectively
To the water of 250ml, make disperse dyes suspension.Draw 40ml disperse dyes suspension to mix with the water of 60ml, use acetic acid
Regulation dye bath pH to 5, was then warmed up to 60 DEG C, is respectively put into 2g polyester fiber simultaneously and carries out high-temperature pressure dyeing, at 35 minutes
Inside it is warmed up to 130 DEG C, is incubated 45 minutes, be cooled to 80 DEG C of samplings.
Observe cloth specimen coloured light and use GB/T3921-2008, GB/T3920-2008, GB/T8427-2008, GB/
T18886-2002, and with reference to the compatibility assay method in embodiment 1, measure their washing fastness, crock fastness, day
Shining fastness, resistance to saliva fastness and compatibility, measurement result is shown in Table 2.
Table 2
Embodiment 3-22
According to the formula in table 3, make dyestuff finished product according to the method for embodiment 2.
Table 3 unit: gram
The dyestuff finished product of embodiment 3-22 is carried out performance test.
Concrete method of testing is as follows:
According to the method that GB/T2394-2003 is similar, weigh the dye product of 0.25 gram of embodiment 3～22 respectively extremely
In the water of 250ml, make disperse dyes suspension.Draw 40ml disperse dyes suspension to mix with the water of 60ml, adjust with acetic acid
Joint dye bath pH to 5, is then warmed up to 60 DEG C, is respectively put into 2g polyester fiber simultaneously and carries out high-temperature pressure dyeing, in 35 minutes
It is warmed up to 130 DEG C, is incubated 45 minutes, be cooled to 80 DEG C of samplings.
Observe cloth specimen coloured light and use GB/T3921-2008, GB/T3920-2008, GB/T8427-2008, GB/
T18886-2002, and with reference to the compatibility assay method in embodiment 1, measure their washing fastness, crock fastness, day
Shining fastness, resistance to saliva fastness, compatibility, measurement result is shown in Table 4.
Table 4 unit: level
Claims (12)
1. a Yellow disperse dye, it is characterised in that by one or both components A as shown in formula (1),
In formula (1), X is bromine or hydrogen；
Component B as shown in formula (2),
Component C as shown in formula (3),
Optional component D as shown in formula (4),
And auxiliary agent and water form；
Wherein, gross weight based on described Yellow disperse dye, the percentage by weight of described component A is 14.2-60%, described group
The percentage by weight dividing B is 3.1-16%, and the percentage by weight of described component C is 0.2-3.8% and optional described component D
Percentage by weight is 0-4%, and surplus is auxiliary agent and water.
Yellow disperse dye the most according to claim 1, it is characterised in that described component A is the chemical combination shown in formula (1-1)
Thing,
Yellow disperse dye the most according to claim 1, it is characterised in that described component A is the chemical combination shown in formula (1-2)
Thing,
4. according to the Yellow disperse dye described in any one of claims 1 to 3, it is characterised in that contaminate based on described yellow dispersion
The gross weight of material,
The percentage by weight of component A is 14.9-57%,
The percentage by weight of component B is 3.2-12.4%,
The percentage by weight of component C is 0.2-3.6%,
Surplus is auxiliary agent and water.
5. according to the Yellow disperse dye described in any one of claims 1 to 3, it is characterised in that contaminate based on described yellow dispersion
The gross weight of material,
The percentage by weight of component A is 14.9-57%,
The percentage by weight of component B is 3.2-11.5%,
The percentage by weight of component C is 0.2-2.3%,
The percentage by weight of component D is 0.2-2.2%,
Surplus is auxiliary agent and water.
6. according to the disperse dyes described in any one of claims 1 to 3, it is characterised in that described auxiliary agent includes following one
Or two or more: sodium sulfate, surfactant, antibacterial or dye dispersant.
Disperse dyes the most according to claim 6, it is characterised in that described dye dispersant includes following one or two
The combination planted: naphthalene sulfonic formaldehyde condensation compound or lignosulfonates.
Disperse dyes the most according to claim 6, it is characterised in that described auxiliary agent with the weight ratio of disperse dyes is
0.3～4:1.
9. according to the disperse dyes according to any one of claims 1 to 3, it is characterised in that described disperse dyes sand mill
Or be aqueous after grinder grinding, solid content is 20～50%, or is powdery or granule after described disperse dyes spray drying
Shape, solid content is 87～96%.
10. the method prepared according to the disperse dyes described in any one of claim 1～9, it is characterised in that include following
Step:
After being mixed by described each dye component, in the presence of auxiliary agent and water, carry out particlized process with sand mill or grinder；
Or described each dye component is carried out particlized process with sand mill or grinder respectively in the presence of auxiliary agent and water, then enters
Row mixing.
11. according to the disperse dyes described in any one of claim 1～9 for the purposes of dyeing of fabric.
12. 1 kinds of fabrics, it is characterised in that contaminate according to the disperse dyes described in any one of claim 1～9 by using
Color prepares.
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|---|---|---|---|
| CN201310753231.5A CN104371363B (en) | 2013-12-30 | 2013-12-30 | A kind of Yellow disperse dye, its preparation method and purposes |
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| CN201310753231.5A CN104371363B (en) | 2013-12-30 | 2013-12-30 | A kind of Yellow disperse dye, its preparation method and purposes |
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| CN104371363B true CN104371363B (en) | 2016-12-28 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106675092A (en) * | 2016-12-31 | 2017-05-17 | 浙江博澳染料工业有限公司 | Environment-friendly type composite disperse dye and preparation method and application thereof |
| CN107868488B (en) * | 2017-12-04 | 2019-11-29 | 浙江龙盛化工研究有限公司 | A kind of yellow disperse dye composition and dye preparations |
| CN112920620A (en) * | 2019-12-06 | 2021-06-08 | 嘉兴市创色化工原料有限公司 | Composition for gray disperse dye and gray disperse dye |
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|---|---|---|---|---|
| US5038415A (en) * | 1989-01-10 | 1991-08-13 | Sumitomo Chemical Company, Limited | Disperse dye composition useful for dyeing of printing hydrophobic fiber materials: mixture of pyridone mono-azo dyes and optionally a quino-phthalone |
| EP0491387A2 (en) * | 1990-12-18 | 1992-06-24 | Hoechst Mitsubishi Kasei Co., Ltd. | Disperse dye mixture and method for dyeing polyester fibers |
| US5201922A (en) * | 1990-12-18 | 1993-04-13 | Hoechst Mitsubishi Kasei Co., Ltd. | Disperse dye mixture and dyeing method employing it: orange and yellow azo disperse dye mixture for polyester fibers |
| CN1667051A (en) * | 2005-03-30 | 2005-09-14 | 吴江市绿洲染料化工有限公司 | Disperse dye mixtures |
| CN1974680A (en) * | 2006-12-07 | 2007-06-06 | 浙江龙盛集团股份有限公司 | Disperse yellow-brown dye composition and disperse dye |
| CN101591477A (en) * | 2009-06-01 | 2009-12-02 | 陶国来 | A kind of dispersed dye |
| CN103173038A (en) * | 2013-03-08 | 2013-06-26 | 浙江吉华集团股份有限公司 | Environmentally-friendly composite disperse yellow dye |
-
2013
- 2013-12-30 CN CN201310753231.5A patent/CN104371363B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5038415A (en) * | 1989-01-10 | 1991-08-13 | Sumitomo Chemical Company, Limited | Disperse dye composition useful for dyeing of printing hydrophobic fiber materials: mixture of pyridone mono-azo dyes and optionally a quino-phthalone |
| EP0491387A2 (en) * | 1990-12-18 | 1992-06-24 | Hoechst Mitsubishi Kasei Co., Ltd. | Disperse dye mixture and method for dyeing polyester fibers |
| US5201922A (en) * | 1990-12-18 | 1993-04-13 | Hoechst Mitsubishi Kasei Co., Ltd. | Disperse dye mixture and dyeing method employing it: orange and yellow azo disperse dye mixture for polyester fibers |
| CN1667051A (en) * | 2005-03-30 | 2005-09-14 | 吴江市绿洲染料化工有限公司 | Disperse dye mixtures |
| CN1974680A (en) * | 2006-12-07 | 2007-06-06 | 浙江龙盛集团股份有限公司 | Disperse yellow-brown dye composition and disperse dye |
| CN101591477A (en) * | 2009-06-01 | 2009-12-02 | 陶国来 | A kind of dispersed dye |
| CN103173038A (en) * | 2013-03-08 | 2013-06-26 | 浙江吉华集团股份有限公司 | Environmentally-friendly composite disperse yellow dye |
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| CN104371363A (en) | 2015-02-25 |
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