CN110760218A - Preparation method of flexographic water-based white ink - Google Patents
Preparation method of flexographic water-based white ink Download PDFInfo
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- CN110760218A CN110760218A CN201911201257.2A CN201911201257A CN110760218A CN 110760218 A CN110760218 A CN 110760218A CN 201911201257 A CN201911201257 A CN 201911201257A CN 110760218 A CN110760218 A CN 110760218A
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- ethyl alcohol
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical group O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 32
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000000049 pigment Substances 0.000 claims abstract description 25
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000000839 emulsion Substances 0.000 claims abstract description 23
- 239000012767 functional filler Substances 0.000 claims abstract description 23
- 239000008367 deionised water Substances 0.000 claims abstract description 22
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 22
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 claims abstract description 18
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 16
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 14
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 14
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical group O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 229920001577 copolymer Polymers 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 238000009775 high-speed stirring Methods 0.000 claims description 5
- HMMGMWAXVFQUOA-UHFFFAOYSA-N octamethylcyclotetrasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 HMMGMWAXVFQUOA-UHFFFAOYSA-N 0.000 claims description 5
- 238000007865 diluting Methods 0.000 claims description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 abstract description 4
- 235000011114 ammonium hydroxide Nutrition 0.000 abstract description 4
- 238000004026 adhesive bonding Methods 0.000 abstract description 2
- 239000000976 ink Substances 0.000 description 45
- 238000001035 drying Methods 0.000 description 5
- 235000009508 confectionery Nutrition 0.000 description 4
- 235000013305 food Nutrition 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000011976 maleic acid Substances 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 229920001800 Shellac Polymers 0.000 description 1
- 229920003180 amino resin Polymers 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- -1 maleic acid resin-modified shellac Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000007764 o/w emulsion Substances 0.000 description 1
- 239000012860 organic pigment Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- ZLGIYFNHBLSMPS-ATJNOEHPSA-N shellac Chemical compound OCCCCCC(O)C(O)CCCCCCCC(O)=O.C1C23[C@H](C(O)=O)CCC2[C@](C)(CO)[C@@H]1C(C(O)=O)=C[C@@H]3O ZLGIYFNHBLSMPS-ATJNOEHPSA-N 0.000 description 1
- 239000004208 shellac Substances 0.000 description 1
- 229940113147 shellac Drugs 0.000 description 1
- 235000013874 shellac Nutrition 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 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
- C09D11/10—Printing inks based on artificial resins
- C09D11/106—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09D11/107—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
-
- 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
- C09D11/037—Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention discloses a preparation method of flexographic water-based white ink, which comprises the following steps: preparing raw materials for production according to mass percent: 23.8 to 25.8 percent of deionized water, 19.5 to 20.5 percent of absolute ethyl alcohol, 19 to 21 percent of acrylic emulsion, 0.1 to 0.3 percent of defoaming agent, 9.5 to 10.5 percent of pigment and 24 to 26 percent of functional filler; the acrylic emulsion is styrene-acrylic acid copolymer, the pigment is titanium dioxide, and the functional filler is kaolin. The adhesive bonding property of the water-based white ink can be improved by using the bonding force of the kaolin; the flexible water-based white ink provided by the invention has no components with pungent odor such as ammonia water during preparation, and avoids pollution of a working environment.
Description
Technical Field
The invention belongs to the technical field of ink production, and particularly relates to a preparation method of flexible water-based white ink.
Background
The water-based ink is called water ink for short, and the water-based ink for the flexographic plate is called liquid ink, and is mainly prepared by carrying out composite grinding on water-soluble resin, organic pigment, solvent and related auxiliary agents. 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. The water-based ink is a uniform slurry-like substance composed of a binder, a pigment, an auxiliary agent and the like. The vehicle provides the necessary transfer properties of the ink and the pigment imparts color to the ink. Aqueous ink vehicles are largely classified into two types: water-diluted type and water-dispersed type. The former can be used in a wide variety of resin types, such as maleic acid resin, shellac, maleic acid resin-modified shellac, urethane, water-soluble acrylic resin, and aqueous amino resin. The water dispersion type vehicle is obtained by polymerizing an emulsified monomer in water, and is considered to be an oil-in-water emulsion type because it is a two-phase system in which an oil phase is dispersed in a water phase in the form of particles and can be diluted with water although it cannot be dissolved in water. Modern inks are mainly classified into four major categories according to plate type: including letterpress, lithographic, gravure, and mesh inks.
And the packages of some products such as candies, foods and medicines are mostly printed by solvent-based white ink. However, after the existing white ink is used, especially for printing on candy paper, the ink is easy to fall off in the deformation process of the packing paper due to poor adhesion; for example, the chinese patent No. CN101003703B, wherein the amount of water is large, the adhesion is insufficient, and the ink is liable to fall off, and during the production process, the drying speed of the ink is slow, and once the ink is touched on the plastic wrapping paper, the ink stains may occur, which affects the appearance, and the ink has ammonia water volatile liquid, and the taste is pungent.
In addition, in the production of the patent with the publication number of CN101003703B, excessive water and ethanol are added, the stirring time needs to be prolonged in the later production process, and the production efficiency of the flexographic aqueous white ink is reduced by concentrating in the stirring process. Therefore, the invention provides a preparation method of the flexographic aqueous white ink, which can accelerate drying, has strong adhesive force and no pungent smell during production.
Disclosure of Invention
The invention aims to provide a preparation method of flexographic aqueous white ink, which aims to solve the problems of low drying speed, low cohesive force and pungent smell during production of the flexographic aqueous ink in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a preparation method of flexographic water-based white ink comprises the following steps:
s1, preparing raw materials for production according to mass percent: 23.8-25.8% of deionized water, 19.5-20.5% of absolute ethyl alcohol, 19-21% of acrylic emulsion, 0.1-0.3% of defoaming agent, 9.5-10.5% of pigment and 24-26% of functional filler, wherein the acrylic emulsion is styrene-acrylic acid copolymer, the pigment is titanium dioxide and the functional filler is kaolin;
s2, firstly, 18-21% of deionized water, all acrylic emulsion, antifoaming agent and pigment by mass percent are placed in a constant-temperature reaction kettle, and are stirred at a slow speed for 120-;
s3, then putting 14-17% of absolute ethyl alcohol and all functional fillers into the constant-temperature reaction kettle in the S1 according to the mass percentage to be mixed, and then stirring at a medium speed for 80-100min to prepare a mixture B;
and S4, finally putting all the residual deionized water and absolute ethyl alcohol into a constant-temperature reaction kettle, diluting, and stirring at a high speed for 30-45min to obtain the flexible water-based white ink.
Preferably, in S1, raw materials for production include, by mass, 25.8% deionized water, 20.5% absolute ethanol, 19% acrylic emulsion, 0.1% defoamer, 9.6% pigment, and 25% functional filler.
As an example, in S1, 23.8 mass% of deionized water as a raw material for production, 19.5 mass% of absolute ethyl alcohol, 21 mass% of acrylic emulsion, 0.3 mass% of a defoaming agent, 9.5 mass% of a pigment, and 25.9 mass% of a functional filler are prepared.
As an example, in S1, raw materials for production, deionized water 24.8%, absolute ethyl alcohol 20%, acrylic emulsion 20%, defoaming agent 0.2%, pigment 10%, and functional filler 25% are prepared by mass%.
As an example, the antifoaming agent in S1 is octamethylcyclotetrasiloxane.
Preferably, the titanium dioxide is nano-scale titanium dioxide, and the particle diameter of the kaolin is less than 0.5 μm.
Preferably, the concentration of the absolute ethyl alcohol is more than 99.5 wt%.
Preferably, the temperature range of the constant temperature reaction kettle is 42-45 ℃.
Preferably, the rotation speed of the slow stirring in the S2 is set to be 80-120 r/min; the rotation speed of the medium-speed stirring in S3 is set to be 400r/min and the rotation speed of the high-speed stirring in S4 is set to be 800r/min and 600-.
Compared with the prior art, the invention has the following advantages:
1. when the flexographic aqueous white ink is used, the adhesive property of the aqueous white ink can be improved by utilizing the adhesive force of kaolin, the drying speed of the aqueous white ink is improved, and the problems that the flexographic aqueous white ink is easy to fall off and is slow in drying speed when being used on candies or food plastic packaging bags in the prior art are solved.
2. The flexible water-based white ink provided by the invention has no components with pungent odor such as ammonia water during preparation, and avoids pollution of a working environment.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A preparation method of flexographic water-based white ink comprises the following steps:
s1, preparing raw materials for production according to mass percent: 25.8% of deionized water, 20.5% of absolute ethyl alcohol, 19% of acrylic emulsion, 0.1% of defoaming agent, 9.6% of pigment and 25% of functional filler;
s2, firstly, placing 18-21% of deionized water, all acrylic emulsion, a defoaming agent and pigment in a constant-temperature reaction kettle according to the mass percentage, and slowly stirring for 120min to obtain a mixture A; the rotating speed of the slow stirring is set to be 120 r/min;
s3, then putting 14-17% of absolute ethyl alcohol and all functional fillers into the constant-temperature reaction kettle in the S1 according to the mass percentage to be mixed, and then stirring at a medium speed for 80min to prepare a mixture B; the rotating speed of the medium-speed stirring is set to be 400 r/min;
s4, finally putting all the residual deionized water and absolute ethyl alcohol into a constant-temperature reaction kettle, diluting, and stirring at a high speed for 45min, wherein the rotating speed of the high-speed stirring is set to be 800 r/min; and (5) after stirring is finished, preparing the flexible water-based white ink.
The acrylic emulsion is styrene-acrylic acid copolymer, the defoaming agent is octamethylcyclotetrasiloxane, the pigment is titanium dioxide, the functional filler is kaolin, the titanium dioxide is nano-scale titanium dioxide, and the particle diameter of the kaolin is less than 0.5 mu m. The concentration of the absolute ethyl alcohol is more than 99.5%. The temperature range of the constant temperature reaction kettle is 42-45 ℃.
Example 2
A preparation method of flexographic water-based white ink comprises the following steps:
s1, preparing raw materials for production according to mass percent: 23.8% of deionized water, 19.5% of absolute ethyl alcohol, 21% of acrylic emulsion, 0.3% of defoaming agent, 9.5% of pigment and 25.9% of functional filler;
s2, firstly, 18-21% of deionized water, all acrylic emulsion, antifoaming agent and pigment by mass percent are placed in a constant-temperature reaction kettle, and are stirred at a slow speed for 120-; the rotating speed of the slow stirring is set to be 80-120 r/min;
s3, then putting 14-17% of absolute ethyl alcohol and all functional fillers into the constant-temperature reaction kettle in the S1 according to the mass percentage to be mixed, and then stirring at a medium speed for 100min to prepare a mixture B; the rotating speed of the medium-speed stirring is set to be 300 r/min;
s4, finally putting all the residual deionized water and absolute ethyl alcohol into a constant-temperature reaction kettle, diluting, and stirring at a high speed for 30min, wherein the rotating speed of the high-speed stirring is set to be 600 r/min; and (5) after stirring is finished, preparing the flexible water-based white ink.
The acrylic emulsion is styrene-acrylic acid copolymer, the defoaming agent is octamethylcyclotetrasiloxane, the pigment is titanium dioxide, the functional filler is kaolin, the titanium dioxide is nano-scale titanium dioxide, and the particle diameter of the kaolin is less than 0.5 mu m. The concentration of the absolute ethyl alcohol is more than 99.5%. The temperature range of the constant temperature reaction kettle is 42-45 ℃.
Example 3
A preparation method of flexographic water-based white ink comprises the following steps:
s1, preparing raw materials for production according to mass percent: 24.8% of deionized water, 20% of absolute ethyl alcohol, 20% of acrylic emulsion, 0.2% of defoaming agent, 10% of pigment and 25% of functional filler;
s2, firstly, 18-21% of deionized water, all acrylic emulsion, antifoaming agent and pigment by mass percent are placed in a constant-temperature reaction kettle, and are stirred at a slow speed for 120-; the rotating speed of the slow stirring is set to be 80-120 r/min;
s3, then putting 14-17% of absolute ethyl alcohol and all functional fillers into the constant-temperature reaction kettle in the S1 according to the mass percentage to be mixed, and then stirring at a medium speed for 80-100min to prepare a mixture B; the rotating speed of the medium-speed stirring is set to be 300-400 r/min;
s4, finally putting all the residual deionized water and absolute ethyl alcohol into a constant-temperature reaction kettle for dilution, and stirring at a high speed for 30-45min, wherein the rotating speed of the high-speed stirring is set to be 600-800 r/min; and (5) after stirring is finished, preparing the flexible water-based white ink.
The acrylic emulsion is styrene-acrylic acid copolymer, the defoaming agent is octamethylcyclotetrasiloxane, the pigment is titanium dioxide, the functional filler is kaolin, the titanium dioxide is nano-scale titanium dioxide, and the particle diameter of the kaolin is less than 0.5 mu m. The concentration of the absolute ethyl alcohol is more than 99.5%. The temperature range of the constant temperature reaction kettle is 42-45 ℃.
The performance parameter detection data of the aqueous white ink prepared in examples 1-3 of the present invention are as follows:
in summary, the following steps: when the flexible water-based white ink is used, the adhesive bonding property of the water-based white ink can be improved by utilizing the bonding force of kaolin, the peel strength reaches over 8 newtons, the peel strength of the white ink in CN101003703B is 5-6 newtons, and the problem that the flexible water-based white ink is easy to fall off when being used on candies or plastic packaging bags for foods in the prior art is solved. The flexible water-based white ink provided by the invention has no components with pungent odor such as ammonia water during preparation, and avoids pollution of a working environment.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. A preparation method of flexible water-based white ink is characterized by comprising the following steps: the method comprises the following steps:
s1, preparing raw materials for production according to mass percent: 23.8 to 25.8 percent of deionized water, 19.5 to 20.5 percent of absolute ethyl alcohol, 19 to 21 percent of acrylic emulsion, 0.1 to 0.3 percent of defoaming agent, 9.5 to 10.5 percent of pigment and 24 to 26 percent of functional filler; the acrylic emulsion is styrene-acrylic acid copolymer, the pigment is titanium dioxide, and the functional filler is kaolin;
s2, firstly, 18-21% of deionized water, all acrylic emulsion, antifoaming agent and pigment by mass percent are placed in a constant-temperature reaction kettle, and are stirred at a slow speed for 120-;
s3, then putting 14-17% of absolute ethyl alcohol and all functional fillers into the constant-temperature reaction kettle in the S1 according to the mass percentage to be mixed, and then stirring at a medium speed for 80-100min to prepare a mixture B;
and S4, finally, putting all the residual deionized water and absolute ethyl alcohol into a constant-temperature reaction kettle, diluting, and stirring at a high speed for 30-45min to obtain the flexographic aqueous white ink.
2. The method for preparing a flexographic aqueous white ink according to claim 1, characterized in that: in the S1, raw materials for production, namely 25.8% of deionized water, 20.5% of absolute ethyl alcohol, 19% of acrylic emulsion, 0.1% of defoaming agent, 9.6% of pigment and 25% of functional filler are prepared according to mass percentage.
3. The method for preparing a flexographic aqueous white ink according to claim 1, characterized in that: in the S1, 23.8% of deionized water, 19.5% of absolute ethyl alcohol, 21% of acrylic emulsion, 0.3% of defoaming agent, 9.5% of pigment and 25.9% of functional filler are prepared according to mass percentage.
4. The method for preparing a flexographic aqueous white ink according to claim 1, characterized in that: in the S1, raw materials for production, namely deionized water 24.8%, absolute ethyl alcohol 20%, acrylic emulsion 20%, a defoaming agent 0.2%, a pigment 10% and a functional filler 25% are prepared according to mass percentage.
5. The method for preparing a flexographic aqueous white ink according to claim 1, characterized in that: the defoaming agent in the S1 is octamethylcyclotetrasiloxane.
6. The method for preparing a flexographic aqueous white ink according to claim 1, characterized in that: the titanium dioxide is nano-scale titanium dioxide, and the particle diameter of the kaolin is less than 0.5 mu m.
7. The method for preparing a flexographic aqueous white ink according to claim 1, characterized in that: the temperature range of the constant temperature reaction kettle is 42-45 ℃.
8. The method for preparing a flexographic aqueous white ink according to claim 1, characterized in that: the rotating speed of the slow stirring in the S2 is set to be 80-120 r/min; the rotation speed of the medium-speed stirring in S3 is set to be 400r/min and the rotation speed of the high-speed stirring in S4 is set to be 800r/min and 600-.
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| CN201911201257.2A CN110760218A (en) | 2019-11-29 | 2019-11-29 | Preparation method of flexographic water-based white ink |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101760077A (en) * | 2009-12-30 | 2010-06-30 | 东莞市英科水墨有限公司 | Water-based diphenyl ethylene paper cup flexographic ink and preparation method thereof |
| CN105062208A (en) * | 2015-08-04 | 2015-11-18 | 山东布瑞特油墨有限公司 | Flexographic plate water-based ink for high-speed printing and preparation method thereof |
| CN106928771A (en) * | 2017-05-02 | 2017-07-07 | 江苏唐彩油墨科技股份有限公司 | A kind of water-based flexographic ink printed with cork paper for cigarette and preparation method thereof |
| CN107880646A (en) * | 2017-12-08 | 2018-04-06 | 湖北黄鹤楼特色包装材料有限公司 | A kind of water-based ink |
| CN110128875A (en) * | 2019-05-21 | 2019-08-16 | 北京化工大学 | A new type of flexographic printing water-based ink binder self-crosslinking emulsion and preparation method thereof |
-
2019
- 2019-11-29 CN CN201911201257.2A patent/CN110760218A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101760077A (en) * | 2009-12-30 | 2010-06-30 | 东莞市英科水墨有限公司 | Water-based diphenyl ethylene paper cup flexographic ink and preparation method thereof |
| CN105062208A (en) * | 2015-08-04 | 2015-11-18 | 山东布瑞特油墨有限公司 | Flexographic plate water-based ink for high-speed printing and preparation method thereof |
| CN106928771A (en) * | 2017-05-02 | 2017-07-07 | 江苏唐彩油墨科技股份有限公司 | A kind of water-based flexographic ink printed with cork paper for cigarette and preparation method thereof |
| CN107880646A (en) * | 2017-12-08 | 2018-04-06 | 湖北黄鹤楼特色包装材料有限公司 | A kind of water-based ink |
| CN110128875A (en) * | 2019-05-21 | 2019-08-16 | 北京化工大学 | A new type of flexographic printing water-based ink binder self-crosslinking emulsion and preparation method thereof |
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Address after: 303, 3rd floor, No.1 Haikou 2nd Road, Jinyinhu office, Dongxihu District, Wuhan City, Hubei Province Applicant after: Wuhan danyaxiang Biotechnology Co.,Ltd. Address before: 303, 3rd floor, No.1 Haikou 2nd Road, Jinyinhu office, Dongxihu District, Wuhan City, Hubei Province Applicant before: HUBEI DANYAXIANG BIOLOGICAL TECHNOLOGY Co.,Ltd. |
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