CN105885543A - Transparent organic pigment high in tinting strength and preparation method thereof - Google Patents
Transparent organic pigment high in tinting strength and preparation method thereof Download PDFInfo
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- CN105885543A CN105885543A CN201610272804.6A CN201610272804A CN105885543A CN 105885543 A CN105885543 A CN 105885543A CN 201610272804 A CN201610272804 A CN 201610272804A CN 105885543 A CN105885543 A CN 105885543A
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- pigment
- paratonere
- organic pigment
- transparent organic
- surfactant
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D17/00—Pigment pastes, e.g. for mixing in paints
- C09D17/001—Pigment pastes, e.g. for mixing in paints in aqueous medium
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D17/00—Pigment pastes, e.g. for mixing in paints
- C09D17/003—Pigment pastes, e.g. for mixing in paints containing an organic pigment
Abstract
The invention discloses a transparent organic pigment high in tinting strength and a preparation method thereof and belongs to the technical field of organic pigments. Water serves as a solvent, and an organic pigment, macromolecule resin and surfactant are premixed in the water and added into a sander to be ground, until the grain size of the organic pigment reaches 80-150 nanometers. After a medium is filtered to be separated, the product prepared through the method can be directly used for spray drying, and the organic pigment which is high in transparency and dispersion and low in cost is manufactured.
Description
Technical field
The present invention relates to a kind of high-strength transparent organic pigment and the method for preparation thereof, belong to organic pigment technical field.
Background technology
The transparency of organic pigment is of crucial importance in the application of coating application and jetted ink.In coating, particularly car paint,
To transparency, tinting strength, tinting power, dispersion force, fluidity, the requirement of stability is high.The acquisition of these performances is in that to control pigment
The size of characteristic such as granule, the distribution of particle diameter, the classification etc. of crystal formation, wherein the size of granule is mostly important.There is different things
Physicochemical method regulates and controls the size of granule.The generally pigment of high transparency, is mostly to reach through the fineness reducing granule, but
Being when the particle diameter of granule is reduced to a certain degree, and the captivation between particle diameter quickly increases, dispersibility reduces.Last pigment is several
Being all the granule of high cohesion, not only bad dispersibility, fluidity is poor, and the transparency is also because the cohesion of little particle height is barely satisfactory.
How to control the transparency of pigment, tinting strength, tinting power, dispersion force, fluidity, stability annoyings the development of coating industry always.
Summary of the invention
The present invention provides a kind of high-strength transparent organic pigment, with water as solvent, by organic pigment, macromolecule resin, table
Face activating agent premixes in water, adds sand mill and grinds, until the particle diameter of organic pigment reaches 80-150nm.It is applicable to this method
Organic pigment has benzimidazolone, quinacridone, and phthalein cyanogen is blue, and phthalein cyanogen is green, pyrrolo-pyrrole-dione, and carbazole violet is red, greatly
The high-grade organic pigment such as molecule azo condensation pigment, it is possible to use solid solution that different proportion is made or mixture etc..Have
The machine pigment addition when grinding should be between the 20-30% of gross weight, and the amount of macromolecule resin is then at the 2-12% of gross weight
Between, the gross weight of solid is at about 25-40%, and the addition of surfactant is the 1-8% of solid amount.Even if the present invention
Grinding in high concentration, made grinding milk remains to effectively, grinds in sand mill smoothly.
Mixture is preferable with the speed grinding ratio of 4000RPM at sand mill.
From economic angle, the organic pigment adding sand mill is suitable with crude product, but can also use the finished product after pigmentation.
Water grinds, can directly use cleaned filter cake, reduce the time of wet pigments, naturally it is also possible to after filtration cakes torrefaction,
Grind to form fine powder to use.
The benzimidazolone such as pigment yellow 151 being suitable for, pigment yellow 154, pigment yellow 17 5, pigment yellow 180, pigment yellow 181,
Pigment yellow 194, pigment orange 36, pigment orange 62, pigment orange 64, paratonere 175, paratonere 176, paratonere 185, face
Expect red 208, pigment violet 32, pigment brown 25.
Conventional quinacridone has pigment violet 19, pigment red 122, paratonere 202, pigment orange 48, pigment orange 49.It is suitable for
Phthalein cyanogen pigment have pigment blue 15, pigment blue 15: 1, pigment blue 15: 2, pigment blue 15: 3, pigment blue 15: 4, pigment blue 15: 6,
Pigment blue 16, alizarol saphirol 79, pigment Green 7, pigment green 36.
The pyrrolo-pyrrole-dione being suitable for has a paratonere 254, paratonere 255, paratonere 264, paratonere 272, pigment orange 71,
Pigment orange 73.Be suitable for red has pigment violet 29, pigment red 123, paratonere 178, pigment red179, paratonere 190, face
Expect red 224.
Carbazole violet has pigment Violet 23.
Macromole azo condensation pigment has a paratonere 144, paratonere 166, pigment red 21 4, paratonere 242, pigment yellow 93,
Pigment yellow 95.Other pigment have pigment yellow 13 8, pigment yellow 13 9, pigment yellow 110, pigment yellow 109 etc..
Available macromolecule resin has the acrylic resin of high molecular, the polyurethane of high molecular, the benzene second of middle and high molecular weight
Alkene and acrylic acid copolymer etc., generally these resins and the emulsifying in water of suitable nonionic surfactant, make emulsion
Or use after dispersion liquid.
Acrylate copolymer emulsion and polyurethane dispersing liquid are all the most widely used water paint base materials, and they are equal
There is respective advantage.It is used in mixed way by the present invention with surfactant, the advantage giving full play to both, improves combining of they
Close performance.
Common styrene is synthesized with acrylate or methacrylate by styrene with acrylic acid copolymer.These
Polymer uses the most in a salt form, such as the salt generated with ammonia, can promote its dissolubility in water.It is suitable for
Molecular weight of copolymer is between 6000 and 12000.What these ammonias dissolved dispersion liquid provides the sufficient wetting power of pigment,
Its viscosity not only also can be reduced with the gloss of improving product.
The present invention is in addition to using polyurethane, it is possible to use modified cross-linked polyurethane.The molecular weight of polyurethane is mainly 10000
Between 50000, but it is not restricted to this scope, as long as dispersibility can be provided to use pigment.
The present invention can use any Conventional milling methods reducing particle diameter, but the most most widely suited with horizontal sand mill.One
As common sand mill in addition to horizontal sand mill, have vertical grinding machine, basket type sand mill, except vertical grinding machine is selected common
Outside the bead of 2-3/3-4mm, other equipment all use more small-sized zirconium oxide bead.During use, abrasive media is full of and grinds sky
Between about 70-80%, add other materials such as pigment.The temperature of sand milling controls in room temperature, but less than 40 DEG C to be
Suitably.Milling time along with kind and the quantity of pigment and different.Generally the acid number of grinding milk is in slightly alkalescence, controls
Between pH 7-10.Conductivity is then at below 500uS/cm.
Surfactant can with the surfactant of single nonionic surfactant, anion surfactant or mixing,
Addition is between the mixture 1-8% admittedly containing total amount.Spendable nonionic surfactant is unsaturated alcohol, fatty alcohol polyoxy
Vinyl Ether etc.；Such as oleic alcohol polyoxyethylene ether, 2,4,7,9-tetramethyl-4,7-glycol-5-decine etc..Spendable anionic surface is lived
Property agent such as alkyl sulfonic acid-carboxylate: such as sulfonated castor oil；Alkyl sulfate salt (R-O-SO3Na): such as lauryl alcohol sulfuric ester
Sodium salt (C12H25-O-SO3Na), polyoxyethylene lauryl ether sulfuric ester sodium salt (C12H25-O-(CH2CH2O)nSO3Na)；Alkyl
Benzenesulfonic acid sodium salt (R-Ar-SO3Or sulfo-succinic acid dialkyl group sodium salt Na).
After grinding completes, abrasive material can be after removing sanding media, directly by grinding distribution liquid with being spray-dried acquisition,
Lapping liquid can also be filtered, pigment is separated.The filter cake separated uses the method dehydration of oven drying or expansion drying to do
Dry, then roll over finely divided with pulverizer.
There is advantages that
For maintaining pigment preferably transparency, tinting strength, tinting power, dispersion force, fluidity, stability, crude pigment product or pigment are activated
Thing adds water in sand mill from different macromolecule resins grinding, adds suitable defoamer, surfactant, and common sand milling is straight
80 to about 150nm acquisitions are reached to pigment particle size.
Additionally, generally crude pigment product can must use, through the essence of pigmentation in the pigmentation process such as dry, grinding, ball milling
Product process from different macromolecule resins or surfactant again, improve surface characteristic.And pigment used in the present invention is crude product
Filter cake, is not required to being dried grade for pigmentation process, and the pigmentation of pigment filter cake is directly carried out with the improvement of surface property in sand mill.
The pigment processed according to the method for the present invention the most easily grinds in the case of high solids content, represent simultaneously excellent dispersibility,
The transparency and high coloring ability.The grinding of the resin emulsion added or dispersion liquid, beneficially pigment, improves production efficiency, fall
Low manufacturing cost, provides stable fluidity simultaneously.The pigment that the present invention develops, has the significant transparency, dispersibility, resists and move
Shifting property and high coloring ability.Especially tinting strength, tinting power, transparency, and the ability of color change when different angles, have significantly
Improve.
The pigment that the present invention develops is highly suitable for the application of coating and ink.The application of coating includes the vapour of aqueous or solvent borne
Car coating, emulsion paint, easily dispersion paint etc..The application of ink includes aqueous or solvent borne ink, light-curable ink and ink-jet etc.
Field.
Detailed description of the invention
The experimental technique of unreceipted actual conditions in the following example, generally according to normal condition.
The computational methods of transparency index are as follows: by the coating material made in black floor, measure at the bottom of black with computer-aided colorimeter
The E value of plate, then detect the E value of sample pigment, the DE (sample pigment) of sample pigment is: E (sample pigment)-E is (black
Color base plate), same DE (standard sample)=E (the standard sample)-E (black floor) obtaining standard sample.Transparency index=
For DE (sample pigment)/DE (standard sample).Transparency index is less than 1, represents that sample is the most transparent, and transparency index is the least,
The transparency of pigment is the highest.
Embodiment 1
By 1000 grams of phthaleins cyanogen indigo plant 15:3 crude product filter cake (50% solid content), 25% polyurethane dispersing liquid with 240 grams at 1000 grams
In water pre-dispersed, by pre-dispersed serosity in sand mill, with the speed sand milling 6 hours of 4000RPM, after sand milling 2 hours,
Serosity gradually thickness, adds 16 grams of nonionic surfactant 2,4,7,9-tetramethyl-4,7-glycol-5-decine (50% concentration) with
And 25% polyurethane dispersing liquid of 20 grams, continue sand milling.Every 30 minutes sampling detection particle diameters, stop when particle diameter reaches 80nm
Only.By the serosity after sand milling, Direct spraying is dried, it is thus achieved that product.
This sample pigment compares with commensurability phthalein cyanogen indigo plant 15:3 pigment dry powder (standard sample) in water soluble acrylic acid car paint system, system
Becoming primary colors and reduced shade, detect its DL, DA, DB, DE, transparency and tinting strength, tinting power, data are as follows, mobility relatively standard
Sample improves 41%.
Table 1
Embodiment 2
By 900 grams of phthaleins cyanogen indigo plant 15:3 crude product filter cake (50% solid content) and 145 grams of acrylic resin Johncryl 61, (containing 35%
Johncryl 678 resin, this is the aqueous thermoplastic acrylic resin produced by BASF) pre-at homogenizer and 780 grams of water
Mixed, add 8 grams of oleic alcohol polyoxyethylene ether, grind, when particle diameter reaches 100nm with the speed of 4000RPM at sand mill
Stop.Lapping liquid is directly dried acquisition product at spray dryer.
This pigment compares with commensurability phthalein cyanogen indigo plant 15:3 pigment dry powder in water soluble acrylic acid car paint system, makes mass colour and reduced shade,
Detecting its dL, dA, dB, dE, transparency and tinting strength, tinting power, data are as follows, and mobility relatively standard sample improves 35%.
Table 2
Embodiment 3
By 280 grams of dimethylquinacridone filter cakes (50% solid content) and 100 grams of acrylic resin Johncryl 61, (containing 35%
Johncryl 678 resin, this is the aqueous thermoplastic acrylic resin produced by BASF) to add 200 grams of water at homogenizer pre-
Mixed, add 7 grams of oleic alcohol polyoxyethylene ether, grind, when particle diameter reaches 120nm with the speed of 4000RPM at sand mill
Stop.Lapping liquid is directly dried acquisition product at spray dryer.This pigment in water soluble acrylic acid car paint system with commensurability two
Acridone methylquinoline pigment dry powder compares, and makes mass colour and reduced shade, detects its dL, dA, dB, dE, transparency and tinting strength, tinting power,
Data are as follows, and mobility relatively standard sample improves 25%.
Table 3
Embodiment 4
By 400 grams of dimethylquinacridone filter cakes (50% solid content) and 80 grams of acrylic resin Johncryl 61, (containing 35%
Johncryl 678 resin, this is the aqueous thermoplastic acrylic resin produced by BASF) in homogenizer, add 200 grams of water
Premix, adds 24 gram 2,4,7,9-tetramethyl-4,7-glycol-5-decine (50% concentration), at process of lapping, and sampling in every 30 minutes,
Detection particle diameter.Grind with the speed of 4000RPM at sand mill, stop when particle diameter reaches 100nm.Lapping liquid is directly in spray
Mist drying machine is dried acquisition product.
This pigment compares with commensurability dimethyl quinacridone pigment dry powder in water soluble acrylic acid car paint system, makes mass colour and punching
Light color, detects its dL, dA, dB, dE, transparency and tinting strength, tinting power, and data are as follows, and mobility relatively standard sample improves 32%.
Table 4
Embodiment 5
By the filter cake (50% solid content) of 200 grams of pigment Violet 23 crude products and 60 grams of acrylic resin Johncryl 61, (containing 35%
Johncryl 678 resin, this is the aqueous thermoplastic acrylic resin produced by BASF) in homogenizer, add 150 grams of water
Premix, adds 5 grams of oleic acid polyoxyethylenes, at process of lapping, sampling in every 30 minutes, detects particle diameter.Sand mill with
The speed of 4000RPM is ground, and stops when particle diameter reaches 80nm.Lapping liquid is directly dried acquisition product at spray dryer.
This pigment compares with commensurability pigment Violet 23 pigment dry powder in water soluble acrylic acid car paint system, makes mass colour and reduced shade,
Detecting its dL, dA, dB, dE, transparency and tinting strength, tinting power, data are as follows, and mobility relatively standard sample improves 32%.
Table 5
Embodiment 6
By 320 grams of pyrrolo-pyrrole-dione filter cakes (50% solid content) and 100 grams of acrylic resin Johncryl 61, (containing 35%
Johncryl 678 resin, this is the aqueous thermoplastic acrylic resin produced by BASF) in homogenizer, add water 100 grams
Premix, adds 20 gram 2,4,7,9-tetramethyl-4, and 7-glycol-5-decine (50% concentration), at process of lapping, takes for every 30 minutes
Sample, detects particle diameter.Grind with the speed of 4000RPM at sand mill, stop when particle diameter reaches 120nm.Lapping liquid is direct
It is dried acquisition product at spray dryer.This pigment in water soluble acrylic acid car paint system with commensurability pyrrolo-pyrrole-dione pigment
Dry powder compares, and makes mass colour and reduced shade, detects its dL, dA, dB, dE, transparency and tinting strength, tinting power.
Table 6
Embodiment 7
By 280 grams of pyrrolo-pyrrole-dione filter cakes (50% solid content) and 80 grams of acrylic resin Johncryl 61, (containing 35%
Johncryl 678 resin, this is the aqueous thermoplastic acrylic resin produced by BASF) add water 200 grams in advance at homogenizer
Mixed, add 13 grams of oleic alcohol polyoxyethylene ether, grind with the speed of 4000RPM at sand mill, stop when particle diameter reaches 100nm
Only.Lapping liquid is directly dried acquisition product at spray dryer.This pigment in water soluble acrylic acid car paint system with commensurability pyrroles
And pyrroledione pigment dry powder compares, make mass colour and reduced shade, detect its dL, dA, dB, dE, transparency and tinting strength, tinting power.
Table 7
Embodiment 8
By the styrene/acrylic resin of 280 grams of pyrrolo-pyrrole-dione filter cakes (50% solid content) and 87.5 grams of intermediate molecular weight (as
Rhom and Hass of the U.S. produces ammonia resin (MOREZ) solution containing 32%) add 100 grams of water premixs at homogenizer, add
Enter 22.4 gram 2,4,7,9-tetramethyl-4,7-glycol-5-decine (50% concentration), grinds with the speed of 4000RPM at sand mill, works as grain
Footpath reaches to stop during 80nm.Lapping liquid is directly dried acquisition product at spray dryer.This pigment is at water soluble acrylic acid car paint
System compares with commensurability pyrrolo-pyrrole-dione pigment dry powder, makes mass colour and reduced shade, detects its dL, dA, dB, dE, transparent
Degree and tinting strength, tinting power.
Table 8
Embodiment 9
By the styrene/acrylic resin of 280 grams of phthaleins cyanogen indigo plant 15:3 crude product filter cake (50% solid content) and 120 grams of intermediate molecular weight (as
Rhom and Hass of the U.S. produces ammonia resin (MOREZ) solution containing 32%) add 100 grams of water premixs at homogenizer, add
Enter 40 grams of cationic surfactants-polyoxyethylene lauryl ether sulfuric ester sodium salt (30% concentration), at sand mill with 4000RPM
Speed grind, when particle diameter reaches 80nm stop.Lapping liquid is directly dried acquisition product at spray dryer.This pigment is at water
Property acrylic acid car paint system compares with commensurability phthalein cyanogen indigo plant pigment dry powder, makes mass colour and reduced shade, detects its dL, dA, dB,
DE, transparency and tinting strength, tinting power.
Table 9
Although the present invention is open the most as above with preferred embodiment, but it is not limited to the present invention, any person skilled in the art,
Without departing from the spirit and scope of the present invention, all can do various changes and modification, therefore protection scope of the present invention should be with
What claims were defined is as the criterion.
Claims (10)
1. a high-strength transparent organic pigment, it is characterised in that with water as solvent, by organic pigment, height
Molecule resin, surfactant premix in water, then add mixture to sand mill grinding, until organic pigment
Particle diameter reaches 80-150 sodium rice；The addition of organic pigment is the 20-30% of total weight of the mixture, macromolecule resin
Addition is the 2-12% of total weight of the mixture, and in mixture, the gross weight of solid is 25-40%, adding of surfactant
Dosage is the 1-8% of solid amount in mixture, and surfactant is nonionic surfactant, anion surface active
Agent or the surfactant of mixing.
The high-strength transparent organic pigment of one the most according to claim 1, it is characterised in that described in have
Machine pigment includes benzimidazolone, quinacridone, phthalein cyanogen pigment, pyrrolo-pyrrole-dione, red, carbazole violet, big
Molecule azo condensation pigment.
The high-strength transparent organic pigment of one the most according to claim 2, it is characterised in that benzo miaow
Oxazolone includes pigment yellow 151, pigment yellow 154, pigment yellow 17 5, pigment yellow 180, pigment yellow 181, pigment yellow 194,
Pigment orange 36, pigment orange 62, pigment orange 64, paratonere 175, paratonere 176, paratonere 185, paratonere 208,
Pigment violet 32, pigment brown 25；
Quinacridone has and includes pigment violet 19, pigment red 122, paratonere 202, pigment orange 48, pigment orange 49；
Phthalein cyanogen pigment includes pigment blue 15, pigment blue 15: 1, pigment blue 15: 2, pigment blue 15: 3, pigment blue 15: 4, pigment
Blue 15:6, pigment blue 16, alizarol saphirol 79, pigment Green 7, pigment green 36；
Pyrrolo-pyrrole-dione includes paratonere 254, paratonere 255, paratonere 264, paratonere 272, pigment orange 71,
Pigment orange 73
Red packet includes pigment violet 29, pigment red 123, paratonere 178, pigment red179, paratonere 190, paratonere 224；
Carbazole violet is pigment Violet 23；
Macromole azo condensation pigment includes paratonere 144, paratonere 166, pigment red 21 4, paratonere 242, pigment yellow
93, pigment yellow 95.
The high-strength transparent organic pigment of one the most according to claim 1, it is characterised in that macromolecule
Resin includes the acrylic resin of high molecular, the polyurethane of high molecular, the styrene of middle and high molecular weight and propylene
The copolymer of acid.
The high-strength transparent organic pigment of one the most according to claim 1, it is characterised in that macromolecule
Resin and nonionic surfactant be emulsifying or dissolving in ammonia in water, uses after making emulsion or dispersion liquid.
The high-strength transparent organic pigment of one the most according to claim 4, it is characterised in that polyurethane
Usage amount be 10% to the 20% of organic pigment, the molecular weight of polyurethane is between 10000 to 30000；Or institute
Stating polyurethane is modified cross-linked polyurethane.
The high-strength transparent organic pigment of one the most according to claim 4, it is characterised in that acrylic acid
The usage amount of resin is 10% to the 30% of organic pigment, and the molecular weight of acrylic resin is mainly 8000 to 10000
Between.
The high-strength transparent organic pigment of one the most according to claim 4, it is characterised in that styrene
Being synthesized with acrylate or methacrylate by styrene with acrylic acid copolymer, molecular weight of copolymer exists
Between 6000 and 12000.
The high-strength transparent organic pigment of one the most according to claim 1, it is characterised in that described non-
Ionic surface active agent is unsaturated alcohol or fatty alcohol-polyoxyethylene ether；Described anion surfactant includes sulfonation
Oleum Ricini, sodium lauryl sulfate salt, polyoxyethylene lauryl ether sulfuric ester sodium salt.
10. the method preparing a kind of high-strength transparent organic pigment described in claim 1, its feature exists
In, organic pigment, macromolecule resin, surfactant are premixed in water, adds sand mill and grind, until organic
The particle diameter of pigment reaches 80-150nm.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109679375A (en) * | 2018-12-25 | 2019-04-26 | 山东宇虹新颜料股份有限公司 | A kind of preparation method of aqueous ink pigment preparations |
| CN110819154A (en) * | 2019-11-19 | 2020-02-21 | 广州市汇合彩颜料有限公司 | Method for producing easily-dispersible water-soluble solid pigment colorant |
| CN112724706A (en) * | 2021-01-27 | 2021-04-30 | 宇虹颜料股份有限公司 | Preparation method of organic pigment easy to disperse in plastic |
| CN112812615A (en) * | 2021-01-27 | 2021-05-18 | 宇虹颜料股份有限公司 | Preparation method of graphene-containing easily-dispersible pigment |
| CN114958030A (en) * | 2022-06-30 | 2022-08-30 | 宇虹颜料股份有限公司 | Preparation method of superfine pigment preparation for coloring polyester |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101665630A (en) * | 2009-08-25 | 2010-03-10 | 江苏格美高科技发展有限公司 | Aqueous ultrafine organic paint and production method thereof |
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2016
- 2016-04-28 CN CN201610272804.6A patent/CN105885543A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101665630A (en) * | 2009-08-25 | 2010-03-10 | 江苏格美高科技发展有限公司 | Aqueous ultrafine organic paint and production method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109679375A (en) * | 2018-12-25 | 2019-04-26 | 山东宇虹新颜料股份有限公司 | A kind of preparation method of aqueous ink pigment preparations |
| CN109679375B (en) * | 2018-12-25 | 2020-12-11 | 宇虹颜料股份有限公司 | Preparation method of pre-dispersed pigment for water-based ink |
| CN110819154A (en) * | 2019-11-19 | 2020-02-21 | 广州市汇合彩颜料有限公司 | Method for producing easily-dispersible water-soluble solid pigment colorant |
| CN112724706A (en) * | 2021-01-27 | 2021-04-30 | 宇虹颜料股份有限公司 | Preparation method of organic pigment easy to disperse in plastic |
| CN112812615A (en) * | 2021-01-27 | 2021-05-18 | 宇虹颜料股份有限公司 | Preparation method of graphene-containing easily-dispersible pigment |
| CN114958030A (en) * | 2022-06-30 | 2022-08-30 | 宇虹颜料股份有限公司 | Preparation method of superfine pigment preparation for coloring polyester |
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