CN114940841A - Pigment for water-based ink and preparation method thereof - Google Patents
Pigment for water-based ink and preparation method thereof Download PDFInfo
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- CN114940841A CN114940841A CN202210819796.8A CN202210819796A CN114940841A CN 114940841 A CN114940841 A CN 114940841A CN 202210819796 A CN202210819796 A CN 202210819796A CN 114940841 A CN114940841 A CN 114940841A
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- based ink
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 239000000049 pigment Substances 0.000 title claims abstract description 55
- 238000002360 preparation method Methods 0.000 title abstract description 13
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 24
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 21
- 239000002270 dispersing agent Substances 0.000 claims abstract description 15
- 239000002562 thickening agent Substances 0.000 claims abstract description 15
- 239000000080 wetting agent Substances 0.000 claims abstract description 15
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 13
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 13
- 239000008367 deionised water Substances 0.000 claims abstract description 13
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 13
- 239000006185 dispersion Substances 0.000 claims description 24
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 15
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims description 12
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 12
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 12
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 12
- 239000002518 antifoaming agent Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 12
- 239000011347 resin Substances 0.000 claims description 11
- 229920005989 resin Polymers 0.000 claims description 11
- 229920000178 Acrylic resin Polymers 0.000 claims description 6
- 229910019142 PO4 Inorganic materials 0.000 claims description 6
- -1 acetylene glycol Chemical compound 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 6
- 150000001298 alcohols Chemical group 0.000 claims description 6
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 6
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 6
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 6
- 238000010297 mechanical methods and process Methods 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 239000010452 phosphate Substances 0.000 claims description 6
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 239000002994 raw material Substances 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 239000002904 solvent Substances 0.000 abstract description 3
- 239000003021 water soluble solvent Substances 0.000 abstract description 3
- 239000000976 ink Substances 0.000 description 46
- 238000007639 printing Methods 0.000 description 20
- 229920002125 Sokalan® Polymers 0.000 description 4
- 238000007645 offset printing Methods 0.000 description 4
- 239000004584 polyacrylic acid Substances 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002671 adjuvant Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 239000012860 organic pigment Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000167 toxic agent Toxicity 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 235000014101 wine Nutrition 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
- 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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/037—Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
-
- 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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
-
- 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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/033—Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention discloses a pigment for water-based ink and a preparation method thereof, wherein the pigment for the water-based ink consists of an antioxidant, polyacrylic resin, ethanol, a pigment, deionized water and other auxiliaries; the pigment for the water-based ink and the preparation method thereof are prepared by reasonably proportioning a plurality of raw materials. The adopted polyacrylic resin has strong dispersibility, good heat resistance, good colorability, environmental protection, good covering power, strong compatibility with water and the like, and other auxiliary agents comprise wetting agents, dispersing agents and thickening agents, so that the prepared water-based fluorescent pigment has stable performance, is not easy to be layered and precipitated, is not easy to bleed, and is not easy to fade and fall off; the adopted auxiliary solvent is ethanol and is also a water-soluble solvent, so that the compatibility of the water-based fluorescent pigment and the water-based ink is further enhanced.
Description
Technical Field
The invention relates to the technical field of water-based ink, in particular to a pigment for water-based ink and a preparation method thereof.
Background
The water-base ink is made up by using water-soluble resin, organic pigment, solvent and related adjuvant through the processes of composite grinding and processing. The water-based ink is particularly suitable for packaging and printing products with strict requirements on sanitary conditions, such as cigarettes, wine, foods, beverages, medicines, toys for children and the like. Classification of inks modern inks are largely divided into four major categories by plate type: relief printing ink is used for printing ink of books, newspapers, albums, documents, books and the like, and is mainly characterized in that an inked part of a printing surface is protruded from a non-inked part; letterpress inks are further classified into letterpress inks, copperplate inks, letterpress rotary inks, flexographic inks according to the type of printing machine and the use of the printed matter. ② lithographic printing ink, a kind of printing ink suitable for lithographic printing. All parts of the plate surface of the lithographic printing are basically positioned on one plane, the pattern positions are oleophilic, the non-pattern positions are hydrophilic, and the printing is carried out by utilizing the principle of oil-water repulsion, so the lithographic printing ink has the water resistance; the ink is divided into offset printing ink, web offset printing ink, flat offset printing ink, waterless offset printing ink, tin printing ink, lithographic printing ink and the like according to the process. Intaglio printing ink, a type of printing ink suitable for intaglio printing, is recessed into the pattern part of the plate surface during printing, and the printing ink of the non-pattern part is wiped off or scraped off and then printed; there are categories of engraved intaglio ink and gravure ink. Mesh plate ink, which is a type of ink that is printed on the printing surface through the mesh of the printing plate.
The existing water-based ink pigment has strong tinting strength, poor weather resistance and chemical stability and easy formaldehyde generation, so the invention needs to invent a pigment for water-based ink with good performance and environmental protection to solve the problem.
Disclosure of Invention
The present invention aims to provide a pigment for water-based ink and a preparation method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the pigment for the water-based ink comprises the following components: 10-14 parts of antioxidant, 6-9 parts of polyacrylic resin, 4-7 parts of ethanol, 12-15 parts of pigment, 20-30 parts of deionized water and 4-6 parts of other auxiliary agents.
Preferably, the pigment consists of the following components: 4-7 parts of water-based acrylic resin, 8-13 parts of acrylic rosin, 8-13 parts of maleic anhydride rosin, 11-15 parts of ethyl acetate, 5-7 parts of isopropanol, 4-7 parts of pigment color cake and 3-5 parts of ethanolamine.
Preferably, the other auxiliary agents consist of the following components: 22-28 parts of defoaming agent, 25-30 parts of wetting agent, 12-18 parts of dispersing agent and 15-20 parts of thickening agent.
Preferably, the other adjuvants include: the defoaming agent and the wetting agent are acetylene glycol, the dispersant is phosphate, the thickener is ethoxylated alcohol,
A preparation method of a pigment for water-based ink comprises the following steps:
1) adding polyacrylic resin into a dispersion machine for dispersion, and controlling the particle diameter to be less than 5 micrometers by a mechanical method;
2) adding the pigment into a stirrer, stirring at a rotation speed of 20-30 r/min for 20-30 min, and keeping the temperature at 50-70 deg.C for 15-30 min;
3) adding the antioxidant, ethanol, deionized water and other auxiliary agents into a stirrer, and stirring for 30-40 minutes, wherein the rotating speed of the stirrer is controlled at 30-40 revolutions per minute;
4) and (3) adding the mixture prepared in the first step, the second step and the third step into a dispersion machine for dispersion, and adjusting the fineness of the mixture to be below 8 microns by a roller press.
Preferably, the polyacrylic resin is a carrier resin.
Has the advantages that: the beneficial effects of the invention are: the pigment for the water-based ink and the preparation method thereof are prepared by reasonably proportioning a plurality of raw materials. The adopted polyacrylic resin has strong dispersibility, good heat resistance, good colorability, environmental protection, good covering power, strong compatibility with water and the like, and other auxiliary agents comprise wetting agents, dispersing agents and thickening agents, so that the prepared water-based fluorescent pigment has stable performance, is not easy to layer and precipitate, is not easy to bleed and is not easy to fade and fall off; the adopted auxiliary solvent is ethanol and is also a water-soluble solvent, so that the compatibility of the water-based fluorescent pigment and the water-based ink is further enhanced, the manufacturing method has the advantages of simple equipment, low cost, no pollution in the manufacturing process, no formaldehyde, no toxic substance emission and no harm to the health of operators, is particularly suitable for manufacturing the water-based ink, and has very wide application prospect.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
A pigment for water-based ink comprises the following components: 10-14 parts of antioxidant, 6-9 parts of polyacrylic resin, 4-7 parts of ethanol, 12-15 parts of pigment, 20-30 parts of deionized water and 4-6 parts of other auxiliary agents.
In the invention, the pigment consists of the following components: 4-7 parts of water-based acrylic resin, 8-13 parts of acrylic rosin, 8-13 parts of maleic anhydride rosin, 11-15 parts of ethyl acetate, 5-7 parts of isopropanol, 4-7 parts of pigment color cake and 3-5 parts of ethanolamine.
In the invention, the other auxiliary agents consist of the following components: 22-28 parts of defoaming agent, 25-30 parts of wetting agent, 12-18 parts of dispersing agent and 15-20 parts of thickening agent.
In the present invention, other auxiliaries include: the defoaming agent and the wetting agent are acetylene glycol, the dispersant is phosphate, the thickener is ethoxylated alcohol,
A preparation method of a pigment for water-based ink comprises the following steps:
1) adding polyacrylic resin into a dispersion machine for dispersion, and controlling the particle diameter to be less than 5 micrometers by a mechanical method;
2) adding the pigment into a stirrer, stirring at a rotation speed of 20-30 r/min for 20-30 min, and keeping the temperature at 50-70 deg.C for 15-30 min;
3) adding the antioxidant, ethanol, deionized water and other auxiliary agents into a stirrer, and stirring for 30-40 minutes, wherein the rotating speed of the stirrer is controlled at 30-40 revolutions per minute;
4) and (3) adding the mixture prepared in the first step, the second step and the third step into a dispersion machine for dispersion, and adjusting the fineness of the mixture to be below 8 microns by a roller press.
In the present invention, the polyacrylic acid resin contained is a carrier resin.
Example 1
The composite material of the embodiment comprises the following raw materials in parts by weight: 10 parts of antioxidant, 6 parts of polyacrylic resin, 4 parts of ethanol, 12 parts of pigment, 20 parts of deionized water and 4 parts of other auxiliary agents.
In the invention, the pigment consists of the following components: 4 parts of water-based acrylic resin, 8 parts of acrylic rosin, 8 parts of maleic anhydride rosin, 11 parts of ethyl acetate, 5 parts of isopropanol, 4 parts of pigment color cake and 3 parts of ethanolamine.
In the invention, the other auxiliary agents consist of the following components: 22 parts of defoaming agent, 25 parts of wetting agent, 12 parts of dispersing agent and 15 parts of thickening agent.
In the present invention, other auxiliaries include: the defoaming agent and the wetting agent are acetylene glycol, the dispersant is phosphate, the thickener is ethoxylated alcohol,
A preparation method of a pigment for water-based ink comprises the following steps:
1) adding polyacrylic resin into a dispersion machine for dispersion, and controlling the particle diameter to be less than 5 micrometers by a mechanical method;
2) adding the pigment into a stirrer, stirring for 20 minutes at a rotation speed of 20 revolutions per minute, and keeping the temperature at 50 ℃ for 15min after uniformly stirring;
3) adding an antioxidant, ethanol, deionized water and other auxiliaries into a stirrer, and stirring for 30 minutes, wherein the rotating speed of the stirrer is controlled to be 30 revolutions per minute;
4) and (3) adding the mixture prepared in the first step, the second step and the third step into a dispersion machine for dispersion, and adjusting the fineness of the mixture to be below 8 microns by a roller press.
In the present invention, the polyacrylic acid resin contained is a carrier resin.
Example 2
The composite material of the embodiment comprises the following raw materials in parts by weight: 14 parts of antioxidant, 9 parts of polyacrylic resin, 7 parts of ethanol, 15 parts of pigment, 30 parts of deionized water and 6 parts of other auxiliary agents.
In the invention, the pigment consists of the following components: 7 parts of water-based acrylic resin, 13 parts of acrylic rosin, 13 parts of maleic anhydride rosin, 15 parts of ethyl acetate, 7 parts of isopropanol, 7 parts of pigment color cake and 5 parts of ethanolamine.
In the invention, the other auxiliary agents consist of the following components: 28 parts of defoaming agent, 30 parts of wetting agent, 18 parts of dispersing agent and 20 parts of thickening agent.
In the present invention, other auxiliaries include: the defoaming agent and the wetting agent are acetylene glycol, the dispersant is phosphate, the thickener is ethoxylated alcohol,
A preparation method of a pigment for water-based ink comprises the following steps:
1) adding polyacrylic resin into a dispersion machine for dispersion, and controlling the particle diameter to be less than 5 micrometers by a mechanical method;
2) adding the pigment into a stirrer, stirring for 30 minutes at a rotation speed of 30 revolutions per minute, and keeping the temperature at 70 ℃ for 30min after uniformly stirring;
3) adding the antioxidant, ethanol, deionized water and other auxiliary agents into a stirrer, and stirring for 40 minutes, wherein the rotating speed of the stirrer is controlled at 40 revolutions per minute;
4) and (3) adding the mixture prepared in the first step, the second step and the third step into a dispersion machine for dispersion, and adjusting the fineness of the mixture to be below 8 microns by a roller press.
In the present invention, the polyacrylic acid resin contained is a carrier resin.
Example 3
12 parts of antioxidant, 8 parts of polyacrylic resin, 6 parts of ethanol, 13 parts of pigment, 25 parts of deionized water and 5 parts of other auxiliary agents.
In the invention, the pigment consists of the following components: 5 parts of water-based acrylic resin, 10 parts of acrylic rosin, 10 parts of maleic anhydride rosin, 13 parts of ethyl acetate, 6 parts of isopropanol, 5 parts of pigment color cake and 4 parts of ethanolamine.
In the invention, the other auxiliary agents consist of the following components: 26 parts of defoaming agent, 28 parts of wetting agent, 15 parts of dispersing agent and 18 parts of thickening agent.
In the present invention, other auxiliaries include: the defoaming agent and the wetting agent are acetylene glycol, the dispersant is phosphate, the thickening agent is ethoxylated alcohol,
A preparation method of a pigment for water-based ink comprises the following steps:
1) adding polyacrylic resin into a dispersion machine for dispersion, and controlling the particle diameter to be less than 5 micrometers by a mechanical method;
2) adding the pigment into a stirrer, stirring for 25 minutes at a rotation speed of 25 revolutions per minute, and keeping the temperature at 60 ℃ for 20min after uniformly stirring;
3) adding the antioxidant, ethanol, deionized water and other auxiliary agents into a stirrer, and stirring for 35 minutes, wherein the rotating speed of the stirrer is controlled at 35 revolutions per minute;
4) and (3) adding the mixture prepared in the first step, the second step and the third step into a dispersion machine for dispersion, and adjusting the fineness of the mixture to be below 8 microns by a roller press.
In the present invention, the polyacrylic acid resin contained is a carrier resin.
The pigment for the water-based ink and the preparation method thereof are prepared by reasonably proportioning a plurality of raw materials. The adopted polyacrylic resin has strong dispersibility, good heat resistance, good colorability, environmental protection, good covering power, strong compatibility with water and the like, and other auxiliary agents comprise wetting agents, dispersing agents and thickening agents, so that the prepared water-based fluorescent pigment has stable performance, is not easy to layer and precipitate, is not easy to bleed and is not easy to fade and fall off; the adopted auxiliary solvent is ethanol and is also a water-soluble solvent, so that the compatibility of the water-based fluorescent pigment and the water-based ink is further enhanced.
The embodiments described above are preferred embodiments of the present invention, and not all embodiments. The detailed description of the embodiments of the present invention is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
Claims (6)
1. The pigment for the water-based ink is characterized by comprising the following components: 10-14 parts of antioxidant, 6-9 parts of polyacrylic resin, 4-7 parts of ethanol, 12-15 parts of pigment, 20-30 parts of deionized water and 4-6 parts of other auxiliary agents.
2. The pigment for aqueous ink according to claim 1, wherein the pigment is composed of: 4-7 parts of water-based acrylic resin, 8-13 parts of acrylic rosin, 8-13 parts of maleic anhydride rosin, 11-15 parts of ethyl acetate, 5-7 parts of isopropanol, 4-7 parts of pigment color cake and 3-5 parts of ethanolamine.
3. The pigment for water-based ink according to claim 1, wherein the other auxiliary agent is composed of the following components: 22-28 parts of defoaming agent, 25-30 parts of wetting agent, 12-18 parts of dispersing agent and 15-20 parts of thickening agent.
4. The pigment for aqueous ink according to claim 3, wherein the other auxiliary agents include: the defoaming agent and the wetting agent are acetylene glycol, the dispersing agent is phosphate, and the thickening agent is ethoxylated alcohol.
5. The process for producing a pigment for aqueous ink according to any one of claims 1 to 4, characterized by comprising the steps of:
1) adding polyacrylic resin into a dispersion machine for dispersion, and controlling the particle diameter to be less than 5 micrometers by a mechanical method;
2) adding the pigment into a stirrer, stirring at a rotation speed of 20-30 r/min for 20-30 min, and keeping the temperature at 50-70 deg.C for 15-30 min;
3) adding the antioxidant, ethanol, deionized water and other auxiliary agents into a stirrer, and stirring for 30-40 minutes, wherein the rotating speed of the stirrer is controlled at 30-40 revolutions per minute;
4) and (3) adding the mixture prepared in the first step, the second step and the third step into a dispersion machine for dispersion, and adjusting the fineness of the mixture to be below 8 microns by a roller press.
6. The method for preparing an aqueous fluorescent pigment for aqueous ink according to claim 5, wherein: the polyacrylic resin is used as carrier resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210819796.8A CN114940841A (en) | 2022-07-13 | 2022-07-13 | Pigment for water-based ink and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210819796.8A CN114940841A (en) | 2022-07-13 | 2022-07-13 | Pigment for water-based ink and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114940841A true CN114940841A (en) | 2022-08-26 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210819796.8A Pending CN114940841A (en) | 2022-07-13 | 2022-07-13 | Pigment for water-based ink and preparation method thereof |
Country Status (1)
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| CN (1) | CN114940841A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105968941A (en) * | 2016-07-14 | 2016-09-28 | 吴江市屯村颜料厂 | Aqueous printing ink color sheet pigment and preparation method thereof |
| CN106189484A (en) * | 2016-08-10 | 2016-12-07 | 苏州中亚油墨有限公司 | Aqueous fluorescent pigment and manufacture method thereof for water color ink |
| CN110669379A (en) * | 2019-10-16 | 2020-01-10 | 江苏科技大学 | Quick-drying water-based ink composition and preparation method and application thereof |
| CN110776774A (en) * | 2019-10-16 | 2020-02-11 | 江苏科技大学 | Water-based ink composition containing ultraviolet-resistant pigment and preparation method and application thereof |
-
2022
- 2022-07-13 CN CN202210819796.8A patent/CN114940841A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105968941A (en) * | 2016-07-14 | 2016-09-28 | 吴江市屯村颜料厂 | Aqueous printing ink color sheet pigment and preparation method thereof |
| CN106189484A (en) * | 2016-08-10 | 2016-12-07 | 苏州中亚油墨有限公司 | Aqueous fluorescent pigment and manufacture method thereof for water color ink |
| CN110669379A (en) * | 2019-10-16 | 2020-01-10 | 江苏科技大学 | Quick-drying water-based ink composition and preparation method and application thereof |
| CN110776774A (en) * | 2019-10-16 | 2020-02-11 | 江苏科技大学 | Water-based ink composition containing ultraviolet-resistant pigment and preparation method and application thereof |
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Application publication date: 20220826 |