CN111378321A - Online water-based ink suitable for two-dimensional code spraying and preparation method thereof - Google Patents
Online water-based ink suitable for two-dimensional code spraying and preparation method thereof Download PDFInfo
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- CN111378321A CN111378321A CN201811627715.4A CN201811627715A CN111378321A CN 111378321 A CN111378321 A CN 111378321A CN 201811627715 A CN201811627715 A CN 201811627715A CN 111378321 A CN111378321 A CN 111378321A
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- dimensional code
- code spraying
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Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 238000005507 spraying Methods 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title abstract description 10
- 239000000839 emulsion Substances 0.000 claims abstract description 28
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 23
- 239000002904 solvent Substances 0.000 claims abstract description 19
- 239000000049 pigment Substances 0.000 claims abstract description 17
- 229920002635 polyurethane Polymers 0.000 claims abstract description 17
- 239000004814 polyurethane Substances 0.000 claims abstract description 17
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims abstract description 10
- 235000011114 ammonium hydroxide Nutrition 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 18
- 239000003795 chemical substances by application Substances 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 16
- 239000008367 deionised water Substances 0.000 claims description 12
- 229910021641 deionized water Inorganic materials 0.000 claims description 12
- 238000006386 neutralization reaction Methods 0.000 claims description 12
- 239000011347 resin Substances 0.000 claims description 10
- 229920005989 resin Polymers 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 239000002518 antifoaming agent Substances 0.000 claims description 9
- 239000012752 auxiliary agent Substances 0.000 claims description 9
- 239000002270 dispersing agent Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 238000007790 scraping Methods 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 7
- 239000000080 wetting agent Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 229920000178 Acrylic resin Polymers 0.000 claims description 3
- 239000002202 Polyethylene glycol Substances 0.000 claims description 3
- 239000003431 cross linking reagent Substances 0.000 claims description 3
- 125000004386 diacrylate group Chemical group 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 235000019441 ethanol Nutrition 0.000 claims description 3
- 229920001223 polyethylene glycol Polymers 0.000 claims description 3
- 239000000980 acid dye Substances 0.000 claims description 2
- 239000000981 basic dye Substances 0.000 claims description 2
- RBNPOMFGQQGHHO-UHFFFAOYSA-N glyceric acid Chemical compound OCC(O)C(O)=O RBNPOMFGQQGHHO-UHFFFAOYSA-N 0.000 claims description 2
- 239000012046 mixed solvent Substances 0.000 claims description 2
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical group CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 claims description 2
- FATBGEAMYMYZAF-UHFFFAOYSA-N oleicacidamide-heptaglycolether Natural products CCCCCCCCC=CCCCCCCCC(N)=O FATBGEAMYMYZAF-UHFFFAOYSA-N 0.000 claims description 2
- -1 polyoxypropylene glycerol Polymers 0.000 claims description 2
- 229920005749 polyurethane resin Polymers 0.000 claims description 2
- 229920002545 silicone oil Polymers 0.000 claims description 2
- 239000003086 colorant Substances 0.000 claims 1
- 230000003678 scratch resistant effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- AZXGXVQWEUFULR-UHFFFAOYSA-N 2',4',5',7'-tetrabromofluorescein Chemical compound OC(=O)C1=CC=CC=C1C1=C2C=C(Br)C(=O)C(Br)=C2OC2=C(Br)C(O)=C(Br)C=C21 AZXGXVQWEUFULR-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 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
- C09D11/033—Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
-
- 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
- C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
Abstract
The invention relates to an online water-based ink suitable for two-dimensional code spraying and a preparation method thereof, wherein the water-based ink comprises the following raw material components in parts by weight: 30-50 parts of water-based polyacrylic resin, 10-15 parts of water-based polyurethane emulsion, 8-10 parts of water-based pigment, 20-30 parts of solvent, 3-5 parts of assistant and 1-3 parts of ammonia water. Compared with the prior art, the two-dimensional code produced by the ink disclosed by the invention is clear in edge, good in friction resistance, green, environment-friendly, not easy to fall off and high in practical value.
Description
Technical Field
The invention belongs to the technical field of water-based ink, and relates to an online water-based ink suitable for two-dimensional code spraying and a preparation method thereof.
Background
In recent years, two-dimensional codes support a bridge in the internet of things and the internet digital world, online water-based ink suitable for two-dimensional code spraying is more and more attracted by people, along with the popularization of automation, code spraying machines are widely applied to various industries as tools for marking marks such as batch numbers, serial numbers and the like, and have the advantages of simplicity, convenience, high production efficiency and the like. Meanwhile, the general code-spraying ink has the defects of limited adhesion to materials, poor weather resistance and solvent resistance and the like.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an online aqueous color ink suitable for two-dimensional code spraying and a preparation method thereof.
The purpose of the invention can be realized by the following technical scheme:
the online water-based ink suitable for two-dimensional code spraying comprises the following raw material components in parts by weight: 30-50 parts of water-based polyacrylic resin, 10-15 parts of water-based polyurethane emulsion, 8-10 parts of water-based pigment, 20-30 parts of solvent, 3-5 parts of assistant and 1-3 parts of ammonia water.
Further, the water-based polyacrylic resin is prepared by the following method:
adding 45 parts of deionized water, 20 parts of ethanol, 5 parts of sodium hydroxide and 30 parts of acrylic resin into a neutralization reaction tank, uniformly stirring to obtain a neutralization solution, adding 2 wt% of polyethylene glycol diacrylate resin serving as an internal cross-linking agent into the neutralization solution, uniformly stirring to obtain a resin feed liquid, atomizing and drying the feed liquid to obtain the water-based polyacrylic resin, wherein the temperature of the neutralization reaction tank is not more than 30 ℃.
Further, the mass fraction of the polyurethane resin in the aqueous polyurethane emulsion is 30-50%.
Further, the water-based coloring material is one or more of acid dye, basic dye or pigment, such as pigment red 21, titanium dioxide and the like.
Further, the solvent is a mixed solvent of deionized water and absolute ethyl alcohol.
Further, the auxiliary agent comprises the following components in parts by weight: 0.5-1 part of flatting agent, 0.2-0.5 part of defoaming agent, 0.5-1 part of anti-scraping agent, 0.5-2 parts of wetting agent and 0.5-1.5 parts of dispersing agent.
Furthermore, the anti-scraping agent is wax emulsion;
the defoaming agent is emulsified silicone oil or polyoxypropylene glycerol ether;
the dispersant is oleamide.
A preparation method of online water-based ink suitable for two-dimensional code spraying comprises the following steps:
(1) firstly, adding 8-10 parts of aqueous pigment, 10-30 parts of aqueous polyacrylic resin, 5-10 parts of aqueous polyurethane emulsion, 10-20 parts of solvent, 1-3 parts of ammonia water and 3-5 parts of auxiliary agent into a high-speed stirrer, and uniformly mixing to obtain mixed emulsion;
(2) then placing the mixed emulsion in the step (1) into a sand mill, and sanding to obtain color paste with the granularity of less than 10 mu m;
(3) and adding the rest raw material components into the worn color paste, and uniformly stirring and mixing to obtain the target product.
Further, in the step (1), the rotation speed of mixing is 1000 rpm.
Compared with the prior art, the preparation method of the solvent-free online water-based ink suitable for two-dimensional code spraying is strong in adhesive force, high in mechanical strength, good in dispersing effect, environment-friendly and suitable for two-dimensional code spraying. The two-dimensional code produced by the ink has the advantages of clear edge, good friction resistance, environmental protection, difficult falling and high practical value.
The invention limits the proportion of the pigment, the resin, the solvent and the auxiliary agent, and can effectively control the viscosity and the performance of the color ink. Especially, the high proportion of the auxiliary agent is likely to cause that the produced color ink has poor leveling property or abrasion resistance and cannot be normally used;
meanwhile, the invention stipulates the feeding sequence, and the disordered feeding sequence can cause that all the components of the color ink can not be fully mixed and can also influence the quality of the color ink.
Detailed Description
The present invention will be described in detail with reference to specific examples. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
In the following examples, the aqueous polyacrylic resins used were prepared by the following method:
adding 45 parts of deionized water, 20 parts of ethanol, 5 parts of sodium hydroxide and 30 parts of acrylic resin into a neutralization reaction tank, uniformly stirring to obtain a neutralization solution, adding 2 wt% of polyethylene glycol diacrylate resin serving as an internal cross-linking agent into the neutralization solution, uniformly stirring to obtain a resin feed liquid, atomizing and drying the feed liquid to obtain the water-based polyacrylic resin, wherein the temperature of the neutralization reaction tank is not more than 30 ℃.
In the following examples, unless otherwise specified, all materials or processes used are commercially available products or conventional process techniques in the art.
Example 1
1): adding 10 parts of water-based pigment, 30 parts of water-based polyacrylic resin, 8 parts of water-based polyurethane emulsion, 17 parts of solvent (deionized water: absolute ethyl alcohol: 4:1), 2 parts of ammonia water, 0.5 part of flatting agent, 0.5 part of defoaming agent, 0.5 part of anti-scraping agent, 0.5 part of wetting agent and 1 part of dispersing agent into a high-speed stirrer, stirring for 30min at 1000 revolutions per minute, and uniformly mixing;
2): placing the mixed emulsion into a sand mill, and sanding for 3 times to obtain color paste with the granularity of less than 10 mu m;
3): and (3) adding 15 parts of waterborne polyacrylic resin, 5 parts of waterborne polyurethane emulsion resin and 10 parts of solvent (deionized water: absolute ethyl alcohol 4:1) into the sanded color paste, stirring at a high speed, and uniformly mixing to obtain the finished product of the color ink.
The color ink prepared by the embodiment has the advantage of strong adhesive force, and takes blank coated paper as an example, 3M adhesive tape is pulled, so that the peeling phenomenon is avoided, the VOC content is extremely low, and the environmental protection performance is better.
Example 2
1): adding 8 parts of water-based pigment, 24 parts of water-based polyacrylic resin, 8 parts of water-based polyurethane emulsion, 15 parts of solvent (deionized water: absolute ethyl alcohol: 4:1), 1 part of ammonia water, 0.5 part of flatting agent, 0.5 part of defoaming agent, 0.5 part of anti-scraping agent, 1.5 parts of wetting agent and 1 part of dispersing agent into a high-speed stirrer, stirring for 30min at 1000 revolutions per minute, and uniformly mixing;
2): placing the mixed emulsion into a sand mill, and sanding for 3 times to obtain color paste with the granularity of less than 10 mu m;
3): and (3) adding 20 parts of waterborne polyacrylic resin, 5 parts of waterborne polyurethane emulsion resin and 15 parts of solvent (deionized water: absolute ethyl alcohol 4:1) into the sanded color paste, stirring at a high speed, and uniformly mixing to obtain the finished product of the color ink.
Example 3
An online water-based ink suitable for two-dimensional code spraying comprises the following formula: 30 parts of water-based polyacrylic resin, 10 parts of water-based polyurethane emulsion, 5 parts of water-based pigment, 20 parts of solvent, 3 parts of assistant and 1 part of ammonia water, wherein the assistant comprises the following components in parts by weight: 0.5 part of flatting agent, 0.2 part of defoaming agent, 0.5 part of anti-scraping agent, 0.5 part of wetting agent and 0.5 part of dispersing agent.
The preparation process comprises the following steps:
1): adding 8 parts of water-based pigment, 10 parts of water-based polyacrylic resin, 5 parts of water-based polyurethane emulsion, 10 parts of solvent (deionized water: absolute ethyl alcohol 4:1) and 3 parts of auxiliary agent into a high-speed stirrer, stirring at 1000 revolutions per minute for 30min, and uniformly mixing;
2): placing the mixed emulsion into a sand mill, and sanding for 3 times to obtain color paste with the granularity of less than 10 mu m;
3): and adding the rest materials into the color paste which is sanded, stirring at a high speed, and uniformly mixing to obtain the finished product of the color ink.
Example 4
An online water-based ink suitable for two-dimensional code spraying comprises the following formula: 50 parts of water-based polyacrylic resin, 15 parts of water-based polyurethane emulsion, 10 parts of water-based pigment, 30 parts of solvent, 5 parts of assistant and 3 parts of ammonia water, wherein the assistant comprises the following components in parts by weight: 1 part of flatting agent, 0.5 part of defoaming agent, 1 part of anti-scraping agent, 2 parts of wetting agent and 1.5 parts of dispersing agent.
The preparation process comprises the following steps:
1): adding 10 parts of water-based pigment, 30 parts of water-based polyacrylic resin, 10 parts of water-based polyurethane emulsion, 20 parts of solvent (deionized water: absolute ethyl alcohol 4:1) and 5 parts of auxiliary agent into a high-speed stirrer, stirring for 30min at 1000rpm, and uniformly mixing;
2): placing the mixed emulsion into a sand mill, and sanding for 3 times to obtain color paste with the granularity of less than 10 mu m;
3): and adding the rest materials into the color paste which is sanded, stirring at a high speed, and uniformly mixing to obtain the finished product of the color ink.
Example 5
An online water-based ink suitable for two-dimensional code spraying comprises the following formula: 40 parts of waterborne polyacrylic resin, 12 parts of waterborne polyurethane emulsion, 9 parts of waterborne pigment, 25 parts of solvent, 4 parts of assistant and 2 parts of ammonia water, wherein the assistant comprises the following components in parts by weight: 0.8 part of flatting agent, 0.3 part of defoaming agent, 0.8 part of anti-scraping agent, 1 part of wetting agent and 1 part of dispersing agent.
The preparation process comprises the following steps:
1): adding 9 parts of water-based pigment, 9 parts of water-based polyacrylic resin, 8 parts of water-based polyurethane emulsion, 15 parts of solvent (deionized water: absolute ethyl alcohol 4:1) and 4 parts of auxiliary agent into a high-speed stirrer, stirring at 1000 revolutions per minute for 30min, and uniformly mixing;
2): placing the mixed emulsion into a sand mill, and sanding for 3 times to obtain color paste with the granularity of less than 10 mu m;
3): and adding the rest materials into the color paste which is sanded, stirring at a high speed, and uniformly mixing to obtain the finished product of the color ink.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (9)
1. The online water-based ink suitable for two-dimensional code spraying is characterized by comprising the following raw material components in parts by weight: 30-50 parts of water-based polyacrylic resin, 10-15 parts of water-based polyurethane emulsion, 8-10 parts of water-based pigment, 20-30 parts of solvent, 3-5 parts of assistant and 1-3 parts of ammonia water.
2. The in-line aqueous color ink for two-dimensional code spraying according to claim 1, wherein the aqueous polyacrylic resin is prepared by the following method:
adding 45 parts of deionized water, 20 parts of ethanol, 5 parts of sodium hydroxide and 30 parts of acrylic resin into a neutralization reaction tank, uniformly stirring to obtain a neutralization solution, adding 2 wt% of polyethylene glycol diacrylate resin serving as an internal cross-linking agent into the neutralization solution, uniformly stirring to obtain a resin feed liquid, atomizing and drying the feed liquid to obtain the water-based polyacrylic resin, wherein the temperature of the neutralization reaction tank is not more than 30 ℃.
3. The online aqueous color ink suitable for two-dimensional code spraying according to claim 1, wherein the mass fraction of the polyurethane resin in the aqueous polyurethane emulsion is 30-50%.
4. The online aqueous color ink suitable for two-dimensional code spraying according to claim 1, wherein the aqueous colorant is one or more of an acid dye, a basic dye or a pigment.
5. The online aqueous color ink suitable for two-dimensional code spraying according to claim 1, wherein the solvent is a mixed solvent of deionized water and absolute ethyl alcohol.
6. The online aqueous color ink suitable for two-dimensional code spraying according to claim 1, wherein the auxiliary agent consists of the following components in parts by weight: 0.5-1 part of flatting agent, 0.2-0.5 part of defoaming agent, 0.5-1 part of anti-scraping agent, 0.5-2 parts of wetting agent and 0.5-1.5 parts of dispersing agent.
7. The online aqueous color ink suitable for two-dimensional code spraying according to claim 6, wherein the scratch-resistant agent is selected from a wax emulsion;
the defoaming agent is emulsified silicone oil or polyoxypropylene glycerol ether;
the dispersant is oleamide.
8. The method for preparing an online aqueous color ink suitable for two-dimensional code spraying according to any one of claims 1 to 7, comprising the steps of:
(1) firstly, adding 8-10 parts of aqueous pigment, 10-30 parts of aqueous polyacrylic resin, 5-10 parts of aqueous polyurethane emulsion, 10-20 parts of solvent, 1-3 parts of ammonia water and 3-5 parts of auxiliary agent into a high-speed stirrer, and uniformly mixing to obtain mixed emulsion;
(2) then placing the mixed emulsion in the step (1) into a sand mill, and sanding to obtain color paste with the granularity of less than 10 mu m;
(3) and adding the rest raw material components into the worn color paste, and uniformly stirring and mixing to obtain the target product.
9. The method for preparing an online aqueous color ink suitable for two-dimensional code spraying according to claim 8,
in the step (1), the mixing speed is 1000 rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811627715.4A CN111378321A (en) | 2018-12-28 | 2018-12-28 | Online water-based ink suitable for two-dimensional code spraying and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811627715.4A CN111378321A (en) | 2018-12-28 | 2018-12-28 | Online water-based ink suitable for two-dimensional code spraying and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111378321A true CN111378321A (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811627715.4A Pending CN111378321A (en) | 2018-12-28 | 2018-12-28 | Online water-based ink suitable for two-dimensional code spraying and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN111378321A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114059365A (en) * | 2021-12-23 | 2022-02-18 | 江苏德旺数码科技有限公司 | Dye composition for digital printing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114059365A (en) * | 2021-12-23 | 2022-02-18 | 江苏德旺数码科技有限公司 | Dye composition for digital printing |
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