CN1844262A - Process for preparing nano-grade disperse blue 2BLN dye by reprecipitation-homogenization method - Google Patents
Process for preparing nano-grade disperse blue 2BLN dye by reprecipitation-homogenization method Download PDFInfo
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- CN1844262A CN1844262A CN 200610049968 CN200610049968A CN1844262A CN 1844262 A CN1844262 A CN 1844262A CN 200610049968 CN200610049968 CN 200610049968 CN 200610049968 A CN200610049968 A CN 200610049968A CN 1844262 A CN1844262 A CN 1844262A
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- blue 2bln
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- 238000000265 homogenisation Methods 0.000 title claims abstract description 8
- 238000000034 method Methods 0.000 title abstract description 10
- 238000004519 manufacturing process Methods 0.000 title abstract description 5
- 239000000975 dye Substances 0.000 claims abstract description 64
- 238000000498 ball milling Methods 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 239000002270 dispersing agent Substances 0.000 claims abstract description 13
- 239000002904 solvent Substances 0.000 claims abstract description 13
- 239000007864 aqueous solution Substances 0.000 claims abstract description 11
- 239000012065 filter cake Substances 0.000 claims abstract description 9
- 238000005516 engineering process Methods 0.000 claims description 34
- 239000006185 dispersion Substances 0.000 claims description 31
- 239000003795 chemical substances by application Substances 0.000 claims description 27
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 20
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 13
- 239000008267 milk Substances 0.000 claims description 12
- 210000004080 milk Anatomy 0.000 claims description 12
- 235000013336 milk Nutrition 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- -1 polyoxyethylene Polymers 0.000 claims description 6
- 239000011324 bead Substances 0.000 claims description 5
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 5
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 4
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- FOGYNLXERPKEGN-UHFFFAOYSA-N 3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfopropyl)phenoxy]propane-1-sulfonic acid Chemical class COC1=CC=CC(CC(CS(O)(=O)=O)OC=2C(=CC(CCCS(O)(=O)=O)=CC=2)OC)=C1O FOGYNLXERPKEGN-UHFFFAOYSA-N 0.000 claims description 3
- 239000006004 Quartz sand Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical class CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 239000000243 solution Substances 0.000 abstract description 9
- 230000005855 radiation Effects 0.000 abstract description 5
- 239000000047 product Substances 0.000 abstract description 4
- 239000000839 emulsion Substances 0.000 abstract description 3
- 238000000593 microemulsion method Methods 0.000 abstract description 2
- 239000000986 disperse dye Substances 0.000 abstract 1
- 238000007709 nanocrystallization Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 13
- 238000002360 preparation method Methods 0.000 description 6
- 238000009826 distribution Methods 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 238000004043 dyeing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 description 3
- 238000000875 high-speed ball milling Methods 0.000 description 3
- 239000000976 ink Substances 0.000 description 3
- 239000002086 nanomaterial Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000004530 micro-emulsion Substances 0.000 description 2
- 239000002105 nanoparticle Substances 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 229920004933 Terylene® Polymers 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 230000010062 adhesion mechanism Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000007908 nanoemulsion Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000001226 reprecipitation Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Abstract
The invention discloses a process for preparing a nano-scale disperse blue 2BLN dye by a reprecipitation-homogenization method, which comprises the following steps: ball milling the disperse blue 2BLN dye filter cake, the solvent and the dispersant to obtain emulsion, slowly dripping the emulsion into an aqueous solution of the dispersant which is strongly ball milled in a ball milling medium, strongly ball milling, and then carrying out high-pressure homogenization treatment on the disperse dye solution to obtain the nanoscale disperse blue 2BLN liquid dye. The average grain diameter of the dye liquid of the invention is about 70nm, D90Less than 100nm, and stable performance after being placed for 2 months at normal temperature. Compared with the processes such as a micro-emulsion method, a laser radiation method and the like, the process has the characteristics of stable product nanocrystallization quality, short process flow, simple operation, low equipment requirement, easy industrialization and the like.
Description
Technical field
The present invention relates to a kind of preparation technology of dispersed dye, especially relate to a kind of preparation technology of nano level DISPERSE BLUE 2BLN dyestuff.
Background technology
The size and the distribution thereof of dye particles have very big influence to dyeing behavior.Especially along with the continuous development of terylene printing technology and the appearance of superfine Denier fibre, more and more higher to the particle diameter requirement of dispersed dye.At present, dispersed dye mainly lean on ball milling or sand milling technology to the processing of particle diameter.The dispersed dye of tradition grinding technics production have that particle diameter is big, the distribution range of particle diameter is wide, particle shape is irregular, sphere are arranged, rhombus, aciculiform and cylindrical, feature such as crystal formation is unclear, so exist big gap at aspects such as dispersiveness, high temperature dispersion stabilization and dye uptakes, rate of loss up to 50%, has had a strong impact on the application performance of product 10～30%, when serious generally speaking.
The research of nano-dispersed dyestuff is to utilize nanotechnology to transform the basis of dispersed dye product structure and traditional dyeing and finishing industry, is one of new focus of dyestuff chemistry industry member research both at home and abroad in recent years.The particle diameter and the tinctorial strength of nano-dispersed dyestuff are inversely proportional to, when particle diameter more hour, its tinctorial strength can increase.The nano-dispersed dyestuff is by dying on the non-film forming adhesion mechanism, and the bounding force of its particle is strong, need not film forming and promotes colour fastness.Therefore when printing and dyeing, can reduce bath raio, avoid producing large amount of sewage.Simultaneously the nano-dispersed dyestuff also has and is easy to use and is convenient to characteristics such as storage.
The Xiao Song technology company of Japan in 2003 adopts the mixed technology exploitation ultrafine nanometer dispersed dye of nanofabrication technique and dispersion agent, and median size is less than 100nm.The said firm plans blue, red and xanchromatic dispersed dye are carried out research of technique, wish to obtain each stratographic thin many dispersion dyestuffs, thereby the raising productive rate improves quality product and cuts down the consumption of energy.
Domestic Jilin Ke Yang Nanosolutions GmbH etc. has carried out the research of applying nano emulsion polymerization technology synthetic " nano ecological dyestuff ".Shanghai NaNuoWei new material Science Co., Ltd has developed superfine pigment China ink " NNW water-based paint China ink ", and has formed the scale production ability.The international difficult problem that the exploitation of nano-scale water pigment inks has broken through is high-quality, low-cost, mass-producing is made.
Nano-dispersed dyestuff technology of preparing belongs to the technology of preparing of organic molecule nano material, and this Study on Technology still is in the technical foundation conceptual phase at present, and the emphasis of research is aspect the commercialization processing technology two of the nanofabrication technique of physical action and dyestuff.The technology of preparing of organic molecule nano material has redeposition technology, microemulsion technology and laser radiation technology etc.Microemulsion technology is at thermodynamically stable, the isotropy that forms under the effect of tensio-active agent, appearance transparent or translucent, the dispersion system of particle diameter in 1～100nm scope with two kinds of non soluble liquids.Laser radiation technology is to utilize the laser radiation material surface to produce the moment High Temperature High Pressure, makes the material production nano_scale particle.The redeposition technology of preparing of organic molecule nano material is exactly that the compounding agent solution that will contain target compound injects the relatively poor solvent of another kind of solvability, generates organic nanometer granule because the sudden change of environment makes organic molecule produce precipitation.It is more simple, flexibly that reprecipitation method has the machine nano particle than microemulsion method and laser radiation legal system.High-pressure homogeneously can in homogenizing valve, form a huge pressure when being exactly in high pressure homogenizer under the material high pressure and fall with the valve member of high flow velocity (300～50 meter per second) by can the adjusting play, and produce multiple effects such as hole effect, intense impact and great shear forces, thereby original more coarse emulsion or suspension are processed into narrower, the stable organic nanometer granule of size distribution.
Summary of the invention
The invention provides a kind of redeposition-homogeneous legal system and be equipped with the technology of DISPERSE BLUE 2BLN dyestuff, with the DISPERSE BLUE 2BLN dyestuff under the effect of composite assistant and dispersion agent, ball milling obtains dye dispersion liquid together, then with dye dispersion liquid under the ball milling state, be injected in the aqueous solution of composite dispersing agent, the dye solution that obtains carries out the nanometer homogeneous by high pressure homogenizer again, prepares nano level DISPERSE BLUE 2BLN dyestuff.
Redeposition-homogeneous legal system is equipped with the technology of DISPERSE BLUE 2BLN dyestuff, comprise: DISPERSE BLUE 2BLN dyestuff filter cake and solvent, dispersion agent are carried out ball milling, obtain milk sap, this milk sap slowly is added drop-wise in the aqueous solution of the dispersion agent of strong ball milling in ball-milling medium, behind the strong ball milling, again dispersed dye liquid is carried out high-pressure homogeneous processing, obtain nano level DISPERSE BLUE 2BLN liquid dyes.
Described solvent comprises: ethanol, methyl alcohol, butanols, ethylene glycol, polyoxyethylene glycol, acetone, N, dinethylformamide (DMF) etc., mixture that also can above-mentioned solvent; Preferred alcohol.
Described dispersion agent comprises: lignosulfonic acid salt dispersion agent, as dispersant A S-3, dispersion agent Reax-85A; Methanonaphthalene sodium sulfonate class dispersion agent is as Dispersant MF, dispersion agent NNO etc.Non-ionic dispersing agent polyoxyethylene glycol, Soxylat A 25-7 etc.Preferred lignosulfonic acid salt dispersant A S-3, Dispersant MF, polyoxyethylene glycol etc.
Described ball-milling medium comprises: the zirconium oxide bead of φ 1～3mm, the quartz sand of the granulated glass sphere of φ 1～3mm and φ 1～3mm, the zirconium oxide bead of preferred φ 1mm.
It is 3～12h that described DISPERSE BLUE 2BLN dyestuff filter cake, solvent and dispersion agent are put into the time that ball-grinding machine carries out ball milling.
The part by weight of described dyestuff filter cake, solvent and dispersion agent is 1: (1～3): (0.6～1.2).
In the described aqueous solution that dye liquid is slowly splashed in ball-milling medium the dispersion agent under the strong ball milling, the weight ratio of the dye liquid and the aqueous solution is preferably 1: (3～5).
The aqueous solution optimum ratio of above-mentioned dispersion agent is: dispersion agent: water=1: (3～7).
The above-mentioned strong at least 5 hours ball milling time, the preferred 800～1400r/min of stirring velocity.
Described dispersed dye liquid is carried out high-pressure homogeneous, homogenization pressure 800～1400 crust, preferred 1200 crust.Homogeneous cycle index 3～9 times, preferred 6 times.
The preparation technology of nano level DISPERSE BLUE 2BLN dyestuff provided by the invention, it is simple to have preparation technology, and equipment requirements is low, characteristics such as easy industrialization.The nano level DISPERSE BLUE 2BLN size of preparing with the present invention is: D
90＜100 nanometers can be used for superfine Denier fibre dyeing.
Description of drawings
Fig. 1 is the size distribution figure of the nano level DISPERSE BLUE 2BLN liquid dyes of the present invention's preparation;
Fig. 2 is the size distribution table of the nano level DISPERSE BLUE 2BLN liquid dyes of the present invention's preparation.
Embodiment
The invention will be further described below in conjunction with specific embodiment, but protection scope of the present invention is not limited to this.
With DISPERSE BLUE 2BLN filter cake 50g, ethanol, dispersant A S-3 put into ball mill to carry out ball milling 5h at 1: 2: 0.5, obtain uniform and stable milk sap.Add 20g dispersant A S-3 in 120g water, under the condition of carrying out the high speed ball milling, ball-milling medium is the zirconium oxide bead of φ 1～3mm, and the milk sap 75g that slow dropping has prepared drips off the back and continues ball milling 8h.The dye liquid that obtains is carried out high-pressure homogeneous circulation 3 times at last, and homogenization pressure is 1200bar, obtains nano level DISPERSE BLUE 2BLN dye solution at last.This dye solution median size (D after testing
50) be 70nm, 90% particle diameter (D
90) be 98nm.
With DISPERSE BLUE 2BLN filter cake 50g, double solvents (ethanol: ethylene glycol is 4: 1), dispersant A S-3 put into ball mill to carry out ball milling 3h at 1: 1: 0.5, obtain uniform and stable milk sap.Add 20g dispersant A S-3 in 120g water, under the condition of carrying out the high speed ball milling, ball-milling medium is the quartz sand of φ 1～3mm, and the milk sap 150g that slow dropping has prepared drips off the back and continues ball milling 6h.The dye liquid that obtains is carried out high-pressure homogeneous circulation 3 times at last, and homogenization pressure is 1200bar, obtains nano level DISPERSE BLUE 2BLN dye solution at last.This dye solution median size (D after testing
50) be 75nm, 90% particle diameter (D
90) be 97nm.
Embodiment 3
With DISPERSE BLUE 2BLN filter cake 50g, double solvents (ethanol: ethylene glycol is 3.5: 1), dispersion agent Reax-85A put into ball mill to carry out ball milling 5h at 1: 1: 0.5, obtain uniform and stable milk sap.Add 20g dispersion agent Reax-85A in 120g water, under the condition of carrying out the high speed ball milling, ball-milling medium is the granulated glass sphere of φ 1～3mm, and the milk sap 120g that slow dropping has prepared drips off the back and continues ball milling 6h.The dye liquid that obtains is carried out high-pressure homogeneous circulation 6 times at last, and homogenization pressure is 1200bar, obtains nano level DISPERSE BLUE 2BLN dye solution at last.This dye solution median size (D after testing
50) be 72nm, 90% particle diameter (D
90) be 94nm.
Claims (10)
1, a kind of redeposition-homogeneous legal system is equipped with the technology of DISPERSE BLUE 2BLN dyestuff, comprise: DISPERSE BLUE 2BLN dyestuff filter cake and solvent, dispersion agent are carried out ball milling, obtain milk sap, this milk sap slowly is added drop-wise in the aqueous solution of the dispersion agent of strong ball milling in ball-milling medium, behind the strong ball milling, again dispersed dye liquid is carried out high-pressure homogeneous processing, obtain nano level DISPERSE BLUE 2BLN liquid dyes.
2, redeposition according to claim 1-homogeneous legal system is equipped with the technology of DISPERSE BLUE 2BLN dyestuff, it is characterized in that: described solvent comprises ethanol, methyl alcohol, butanols, ethylene glycol, polyoxyethylene glycol, acetone, N, a kind of or its mixture in the dinethylformamide.
3, redeposition according to claim 2-homogeneous legal system is equipped with the technology of DISPERSE BLUE 2BLN dyestuff, it is characterized in that: described solvent is an ethanol.
4, redeposition according to claim 1-homogeneous legal system is equipped with the technology of DISPERSE BLUE 2BLN dyestuff, it is characterized in that: described dispersion agent comprises: a kind of in lignosulfonic acid salt dispersion agent, methanonaphthalene sodium sulfonate class dispersion agent, the non-ionic dispersing agent.
5, redeposition according to claim 1-homogeneous legal system is equipped with the technology of DISPERSE BLUE 2BLN dyestuff, it is characterized in that: described ball-milling medium comprises: the zirconium oxide bead of φ 1～3mm, the quartz sand of the granulated glass sphere of φ 1～3mm and φ 1～3mm.
6, redeposition according to claim 5-homogeneous legal system is equipped with the technology of DISPERSE BLUE 2BLN dyestuff, it is characterized in that: described ball-milling medium is the zirconium oxide bead of φ 1mm.
7, redeposition according to claim 1-homogeneous legal system is equipped with the technology of DISPERSE BLUE 2BLN dyestuff, it is characterized in that: the part by weight of described dyestuff filter cake, solvent and dispersion agent is 1: 1～3: 0.6～1.2.
8, redeposition according to claim 1-homogeneous legal system is equipped with the technology of DISPERSE BLUE 2BLN dyestuff, it is characterized in that: in the described aqueous solution that milk sap is slowly splashed in ball-milling medium the dispersion agent under the strong ball milling, the weight ratio of the milk sap and the aqueous solution is preferably 1: 3～and 5.
9, redeposition according to claim 8-homogeneous legal system is equipped with the technology of DISPERSE BLUE 2BLN dyestuff, it is characterized in that: in the aqueous solution of the dispersion agent under the described strong ball milling, the aqueous solution proportioning of dispersion agent is: dispersion agent: water=1: 3～7.
10, redeposition according to claim 1-homogeneous legal system is equipped with the technology of DISPERSE BLUE 2BLN dyestuff, it is characterized in that: at least 5 hours time of described strong ball milling, high-pressure homogeneous operational condition is: homogenization pressure 800～1400 crust, homogeneous cycle index 3～9 times.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100499689A CN100366683C (en) | 2006-03-23 | 2006-03-23 | Process for preparing nano-grade disperse blue 2BLN dye by reprecipitation-homogenization method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102199366A (en) * | 2011-03-30 | 2011-09-28 | 嘉兴学院 | Biological dye containing prodigiosins, preparation method thereof and application thereof |
| CN104448933A (en) * | 2014-12-31 | 2015-03-25 | 浙江闰土股份有限公司 | Red liquid disperse dye and preparation method and usage thereof |
| CN104497631A (en) * | 2014-12-31 | 2015-04-08 | 浙江闰土股份有限公司 | Blue liquid disperse dye and preparation method and application thereof |
| CN104530756A (en) * | 2014-10-20 | 2015-04-22 | 华南理工大学 | Lignin-series nano-grade disperse dye and preparation method thereof |
| CN104530762A (en) * | 2014-12-31 | 2015-04-22 | 浙江闰土染料有限公司 | Orange liquid disperse dye and preparation method and application thereof |
| CN106380893A (en) * | 2016-08-25 | 2017-02-08 | 上海盛丘材料科技有限公司 | Preparation method and dyeing method of liquid disperse dye composition |
| CN106948194A (en) * | 2017-02-10 | 2017-07-14 | 常州纺织服装职业技术学院 | A kind of superhigh molecular weight polyethylene fibers colouring method |
| CN111138886A (en) * | 2019-12-26 | 2020-05-12 | 东华大学 | Liquid disperse dye and preparation method and application thereof |
| CN113698628A (en) * | 2021-09-28 | 2021-11-26 | 上海健康医学院 | Preparation method of lignin dispersion liquid by high-pressure homogenization method |
| CN114836056A (en) * | 2022-05-18 | 2022-08-02 | 江苏吉华化工有限公司 | Liquid nano disperse dye and preparation method thereof |
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Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19836714A1 (en) * | 1998-08-13 | 2000-02-17 | Clariant Gmbh | Process for the preparation of N, N'-dimethyl-perylene-3,4,9,10-tetracarboxylic acid diimide in transparent pigment form |
| DE10216681A1 (en) * | 2002-04-16 | 2003-11-06 | Clariant Gmbh | Process for the preparation of viable organic pigments |
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2006
- 2006-03-23 CN CNB2006100499689A patent/CN100366683C/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102199366A (en) * | 2011-03-30 | 2011-09-28 | 嘉兴学院 | Biological dye containing prodigiosins, preparation method thereof and application thereof |
| CN104530756A (en) * | 2014-10-20 | 2015-04-22 | 华南理工大学 | Lignin-series nano-grade disperse dye and preparation method thereof |
| CN104530762B (en) * | 2014-12-31 | 2017-06-23 | 浙江闰土染料有限公司 | Orange liquid disperse dyes and its preparation method and purposes |
| CN104497631A (en) * | 2014-12-31 | 2015-04-08 | 浙江闰土股份有限公司 | Blue liquid disperse dye and preparation method and application thereof |
| CN104530762A (en) * | 2014-12-31 | 2015-04-22 | 浙江闰土染料有限公司 | Orange liquid disperse dye and preparation method and application thereof |
| CN104448933A (en) * | 2014-12-31 | 2015-03-25 | 浙江闰土股份有限公司 | Red liquid disperse dye and preparation method and usage thereof |
| CN104448933B (en) * | 2014-12-31 | 2017-07-07 | 浙江闰土股份有限公司 | Red liquid disperse dyes and its preparation method and purposes |
| CN106380893A (en) * | 2016-08-25 | 2017-02-08 | 上海盛丘材料科技有限公司 | Preparation method and dyeing method of liquid disperse dye composition |
| CN106948194A (en) * | 2017-02-10 | 2017-07-14 | 常州纺织服装职业技术学院 | A kind of superhigh molecular weight polyethylene fibers colouring method |
| CN111138886A (en) * | 2019-12-26 | 2020-05-12 | 东华大学 | Liquid disperse dye and preparation method and application thereof |
| CN113698628A (en) * | 2021-09-28 | 2021-11-26 | 上海健康医学院 | Preparation method of lignin dispersion liquid by high-pressure homogenization method |
| CN114836056A (en) * | 2022-05-18 | 2022-08-02 | 江苏吉华化工有限公司 | Liquid nano disperse dye and preparation method thereof |
| CN115627658A (en) * | 2022-10-27 | 2023-01-20 | 广东睿智环保科技有限责任公司 | Printing ink for low-temperature sublimation transfer printing paper and preparation method and application thereof |
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|---|---|
| CN100366683C (en) | 2008-02-06 |
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