CN113583473B - Nano coated organic pigment and preparation method thereof - Google Patents
Nano coated organic pigment and preparation method thereof Download PDFInfo
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- CN113583473B CN113583473B CN202111050051.1A CN202111050051A CN113583473B CN 113583473 B CN113583473 B CN 113583473B CN 202111050051 A CN202111050051 A CN 202111050051A CN 113583473 B CN113583473 B CN 113583473B
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- 239000012860 organic pigment Substances 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title claims description 6
- 239000000049 pigment Substances 0.000 claims abstract description 31
- 239000002131 composite material Substances 0.000 claims abstract description 21
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims abstract description 16
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000002904 solvent Substances 0.000 claims abstract description 14
- 239000007822 coupling agent Substances 0.000 claims abstract description 13
- 239000002270 dispersing agent Substances 0.000 claims abstract description 11
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 238000000498 ball milling Methods 0.000 claims description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- 229960002380 dibutyl phthalate Drugs 0.000 claims description 6
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 claims description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 2
- 150000004645 aluminates Chemical class 0.000 claims description 2
- OEIWPNWSDYFMIL-UHFFFAOYSA-N dioctyl benzene-1,4-dicarboxylate Chemical compound CCCCCCCCOC(=O)C1=CC=C(C(=O)OCCCCCCCC)C=C1 OEIWPNWSDYFMIL-UHFFFAOYSA-N 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 229910000077 silane Inorganic materials 0.000 claims description 2
- 125000005395 methacrylic acid group Chemical group 0.000 claims 1
- 239000001023 inorganic pigment Substances 0.000 abstract description 19
- 239000011248 coating agent Substances 0.000 abstract description 9
- 238000000576 coating method Methods 0.000 abstract description 9
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 6
- 238000012512 characterization method Methods 0.000 abstract description 3
- 239000002103 nanocoating Substances 0.000 abstract description 3
- 238000007639 printing Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 11
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 description 8
- 239000000203 mixture Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000005119 centrifugation Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000011258 core-shell material Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009396 hybridization Methods 0.000 description 1
- 229910003471 inorganic composite material Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 231100000783 metal toxicity Toxicity 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000011206 ternary composite Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/0001—Post-treatment of organic pigments or dyes
- C09B67/0004—Coated particulate pigments or dyes
- C09B67/0007—Coated particulate pigments or dyes with inorganic coatings
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/006—Preparation of organic pigments
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/0071—Process features in the making of dyestuff preparations; Dehydrating agents; Dispersing agents; Dustfree compositions
- C09B67/0079—Azoic dyestuff preparations
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/36—Compounds of titanium
- C09C1/3607—Titanium dioxide
- C09C1/3653—Treatment with inorganic compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/36—Compounds of titanium
- C09C1/3607—Titanium dioxide
- C09C1/3669—Treatment with low-molecular organic compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/36—Compounds of titanium
- C09C1/3692—Combinations of treatments provided for in groups C09C1/3615 - C09C1/3684
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/21—Attrition-index or crushing strength of granulates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/22—Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Abstract
The invention provides a nano-coating organic pigment, which is prepared from azo organic pigment, amorphous aluminum silicate, nano titanium dioxide, a coupling agent, a solvent and a dispersing agent. The invention has the advantages that the composite pigment avoids the respective defects of inorganic pigment and organic pigment, and accordingly inherits the advantages of each other to meet the severe requirements of high-end in the aspects of printing ink, functional coating and the like, and has good dispersibility and wettability, and is easy to disperse in an acrylic plate; the composite pigment formed by coating the inorganic pigment with the organic pigment is applied to an acrylic plate, and the shear strength, the impact strength and the weather resistance are in accordance with the test standard and even the impact strength is effectively improved through three data characterization of the test mechanical property (including shear and impact) and weather resistance test.
Description
Technical Field
The invention relates to the technical field of organic pigments, in particular to a nano-coated organic pigment and a preparation method thereof.
Background
Inorganic pigments and organic pigments belong to two major classes of pigments, wherein the inorganic pigments have good weather resistance and excellent physical properties, but cannot be produced on a large scale due to the defects of incomplete chromatography, high heavy metal toxicity and the like. Compared with inorganic pigment, the organic pigment has the advantages of bright color, good transparency, complete variety, good chemical stability and the like. However, the price of the organic pigment is generally higher and the stability of the comprehensive performance is poor due to the influence of production equipment and process technology, including solvent resistance, weather resistance, heat resistance and the like.
The ratio of azo and phthalocyanine in the organic pigment market is extremely large, and researches show that part of the inner cores of the pigments are not expressed in coloring, and the color of the surfaces of pigment particles is only caused by the reflection light of the surfaces of the pigment particles.
Because inorganic pigments are dull in color and light, and single in type, but organic pigments are insufficient in mechanical properties, application of the inorganic pigments or the organic pigments in the fields of high precision, high facilities and outdoor building industry is greatly limited, and it has been proposed to combine the advantages of the organic pigments and the inorganic pigments to prepare novel composite pigments, which avoid the respective disadvantages of the inorganic pigments and the organic pigments, and accordingly inherit the advantages of each other to meet the severe requirements of high-end in terms of ink, functional coating and the like. The method of compounding an inorganic pigment and an organic pigment is to modify the pigment. Currently applied techniques are core-shell core coating, polymer coating, inorganic hybridization, pigment surface treatment, and the like.
Adding nano calcium carbonate slurry into a chemical reaction container, adding an organic pigment into a stirred and ground container, taking silicon dioxide modified by an anionic modifier as an adsorption carrier, and calcining at a high temperature to obtain the organic pigment/silicon dioxide/nano calcium carbonate composite pigment. The composite pigment produced by the method saves cost under the condition of ensuring the unchanged tinting strength, has uniform particle size distribution, is weather-resistant and heat-resistant, and has good mechanical properties.
However, the ternary composite pigment has complex process flow, complex operation, high requirements on composite time and precision, and uneven dispersion and agglomeration caused by the difference of raw material proportions.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a nano-coating organic pigment and a preparation method thereof.
The invention solves the technical problems by the following technical means:
the nano coating organic pigment is prepared from azo organic pigment, amorphous aluminum silicate, nano titanium dioxide, a coupling agent, a solvent and a dispersing agent.
Preferably, the composite pigment comprises the following components in percentage by mass: 40-80% of azo organic pigment, 10-40% of amorphous aluminum silicate and 10-30% of titanium dioxide.
Preferably, the coupling agent accounts for 2-10% of the mass of the composite pigment.
Preferably, the mass ratio of the solvent to the composite pigment is 2-8:1.
preferably, the dispersant is used in an amount of 2 to 10% by mass of the composite pigment.
Preferably, the coupling agent is one or more of silane, ethylene glycol methacrylate and aluminate.
Preferably, the solvent is one or more of polyurethane methacrylate, dioctyl terephthalate and butyl phthalate.
Preferably, the azo organic pigment, the coupling agent and the nano titanium dioxide are mixed according to a certain proportion, centrifugally vibrated uniformly, then added with amorphous aluminum silicate, continuously stirred and uniformly mixed, then added with a certain proportion of solvent and dispersant, stirred and put into a ball mill for wet ball milling, and the product is obtained.
Preferably, the centrifugation time is 0.5-2h, the stirring time is 0.5-2h, and the rotating speed of the stirrer is 300-800r/min.
Preferably, the ball particle size of the wet ball mill is 1mm, and the ball milling time is 6-24h.
The invention has the advantages that: the composite pigment avoids the respective defects of inorganic pigment and organic pigment, and accordingly inherits the advantages of the inorganic pigment and the organic pigment to meet the severe requirements of high-end in the aspects of printing ink, functional paint and the like, has good dispersibility and wettability, and is easy to disperse in an acrylic plate; the composite pigment formed by coating the inorganic pigment with the organic pigment is applied to an acrylic plate, and the shear strength, the impact strength and the weather resistance are in accordance with the test standard and even the impact strength is effectively improved through three data characterization of the test mechanical property (including shear and impact) and weather resistance test.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described in the following in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Adding 1kg of azo organic pigment, 50g of coupling agent and 300g of nano titanium dioxide into a centrifugal vibrator, uniformly vibrating for 1h by centrifugation, taking the mixture into a stirring container, adding 200g of amorphous aluminum silicate, 4kg of butyl phthalate as a solvent and 50g of propylene glycol methyl ether as a dispersing agent, stirring, and putting into a ball mill for wet ball milling for 10h to obtain a target product.
Embodiment 2
Adding 1kg of azo organic pigment, 30g of coupling agent and 300g of nano titanium dioxide into a centrifugal vibrator, uniformly vibrating for 0.5h by centrifugation, taking the mixture into a stirring container, adding 100g of amorphous aluminum silicate, 4kg of butyl phthalate as a solvent and 40g of propylene glycol methyl ether as a dispersing agent, stirring, and putting into a ball mill for wet ball milling for 8h to obtain a target product 2.
Embodiment 3
Adding 800g of azo organic pigment, 60g of coupling agent and 500g of nano titanium dioxide into a centrifugal vibrator, uniformly vibrating for 1.2 hours by centrifugation, taking the mixture into a stirring container, adding 150g of amorphous aluminum silicate, 5kg of butyl phthalate as a solvent and 30g of propylene glycol methyl ether as a dispersing agent, stirring, and putting the mixture into a ball mill for wet ball milling for 8 hours to obtain a target product.
Embodiment 4
Adding 1kg of azo organic pigment, 40g of coupling agent and 500g of nano titanium dioxide into a centrifugal vibrator, performing centrifugal vibration for 2 hours uniformly, taking the mixture into a stirring container, adding 200g of amorphous aluminum silicate, 5kg of butyl phthalate as a solvent and 40g of propylene glycol methyl ether as a dispersing agent, stirring, and putting the mixture into a ball mill for wet ball milling for 6 hours to obtain a target product.
The composite pigment pastes of the above embodiments 1 to 4 were added to PMMA organic glass panels at an addition level of 1% respectively and tested for their shear strength, strength and weather resistance.
Test result comparison table:
the pigment contains a compound with high strength of aluminum silicate, and the inorganic pigment has the defects of poor transparency, poor color spectrum, bright color light and low tinting strength, and is toxic due to a plurality of heavy metal inorganic pigments. The organic pigment has complete color spectrum, bright color, strong tinting strength and controllable preparation, combines the advantages of the organic pigment and the inorganic pigment to prepare a new composite pigment, avoids the respective defects of the inorganic pigment and the organic pigment, and accordingly inherits the advantages of the inorganic pigment and the organic pigment to meet the rigorous requirements of high-end in the aspects of printing ink, functional coating and the like, and has good dispersibility and wettability and easy dispersion in an acrylic plate.
The composite pigment formed by coating the inorganic pigment with the organic pigment is applied to an acrylic plate, and the shear strength, the impact strength and the weather resistance are in accordance with the test standard and even the impact strength is effectively improved through three data characterization of the test mechanical property (including shear and impact) and weather resistance test.
The composite pigment takes the organic pigment as a shell and inorganic nano titanium dioxide/aluminum silicate as a core, mainly has saturated color shown by the surface color of the organic pigment, ensures that titanium dioxide is uniformly dispersed and adsorbed on the surface of amorphous aluminum silicate by compounding the nano titanium dioxide/aluminum silicate, avoids agglomeration of the nano titanium dioxide, improves weather-proof stability and mechanical physical properties of the nano titanium dioxide, and greatly increases the specific surface area of the modified nano titanium dioxide/amorphous aluminum silicate, so that the azo organic pigment can have a good coating effect on the basis.
The azo pigment is not limited to an organic pigment of a certain color system or a certain color system, but is limited to a color confusion and a dull color which are caused by that even if a lot of organic pigments are azo pigments, the tinting strength, the hiding power and the oil absorption index are different in different color systems, and the substituted azo organic pigments cannot be matched with nano titanium dioxide/aluminum silicate. There is also the possibility that the interfacial compatibility relationship between a certain phthalocyanine pigment and the inorganic composite material is better, the displayed color is brighter and brighter, and the mechanical property applied to an acrylic plate is better improved
It is noted that relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (3)
1. The nano-coated organic pigment is characterized in that: is prepared from composite pigment, coupling agent, solvent and dispersing agent;
the composite pigment comprises the following components in percentage by mass: 40-80% of azo organic pigment, 10-40% of amorphous aluminum silicate and 10-30% of titanium dioxide;
the coupling agent accounts for 2-10% of the mass of the composite pigment;
the mass ratio of the solvent to the composite pigment is 2-8:1, a step of;
the usage amount of the dispersing agent is 2-10% of the mass of the composite pigment;
the preparation method comprises the steps of mixing azo organic pigment, coupling agent and nano titanium dioxide according to a certain proportion, centrifugally vibrating uniformly, adding amorphous aluminum silicate, continuously stirring and uniformly mixing, adding a certain proportion of solvent and dispersing agent, stirring, and putting into a ball mill for wet ball milling to obtain a product;
the coupling agent is one or more of silane, ethylene glycol methacrylate and aluminate;
the solvent is one or more of methacrylic polyurethane, dioctyl terephthalate and butyl phthalate.
2. The nano-coated organic pigment according to claim 1, wherein: the centrifugal time is 0.5-2h, the stirring time is 0.5-2h, and the rotating speed of the stirrer is 300-800r/min.
3. The nano-coated organic pigment according to claim 1, wherein: the ball size of the ball used by the ball mill is 1mm, and the ball milling time is 6-24 hours.
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| CN202111050051.1A CN113583473B (en) | 2021-09-08 | 2021-09-08 | Nano coated organic pigment and preparation method thereof |
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| CN113583473B true CN113583473B (en) | 2023-08-11 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004224949A (en) * | 2003-01-24 | 2004-08-12 | Toyo Ink Mfg Co Ltd | Method for producing composite pigment |
| CN101081941A (en) * | 2006-06-02 | 2007-12-05 | 富士胶片株式会社 | Organic nano particle and dispersive combination, photo-sensitive resin combination, trans-printing material, filter, liquid display device and CCD device |
| CN102391679A (en) * | 2011-09-01 | 2012-03-28 | 江苏双乐化工颜料有限公司 | Environment-friendly composite pigment and preparation method thereof |
| CN108676382A (en) * | 2018-06-22 | 2018-10-19 | 佛山陵朝新材料有限公司 | A kind of preparation method of the organic pigment powder of nanometer of cladding |
-
2021
- 2021-09-08 CN CN202111050051.1A patent/CN113583473B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004224949A (en) * | 2003-01-24 | 2004-08-12 | Toyo Ink Mfg Co Ltd | Method for producing composite pigment |
| CN101081941A (en) * | 2006-06-02 | 2007-12-05 | 富士胶片株式会社 | Organic nano particle and dispersive combination, photo-sensitive resin combination, trans-printing material, filter, liquid display device and CCD device |
| CN102391679A (en) * | 2011-09-01 | 2012-03-28 | 江苏双乐化工颜料有限公司 | Environment-friendly composite pigment and preparation method thereof |
| CN108676382A (en) * | 2018-06-22 | 2018-10-19 | 佛山陵朝新材料有限公司 | A kind of preparation method of the organic pigment powder of nanometer of cladding |
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| CN113583473A (en) | 2021-11-02 |
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Denomination of invention: Nano coated organic pigments and their preparation methods Granted publication date: 20230811 Pledgee: Industrial and Commercial Bank of China Limited Langxi Branch Pledgor: ANHUI XINTAO PHOTOELECTRIC TECHNOLOGY CO.,LTD. Registration number: Y2024980016138 |
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