CN115491079A - Water-based printing ink and preparation method thereof - Google Patents
Water-based printing ink and preparation method thereof Download PDFInfo
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- CN115491079A CN115491079A CN202211167810.7A CN202211167810A CN115491079A CN 115491079 A CN115491079 A CN 115491079A CN 202211167810 A CN202211167810 A CN 202211167810A CN 115491079 A CN115491079 A CN 115491079A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 95
- 238000002360 preparation method Methods 0.000 title abstract description 11
- 239000000839 emulsion Substances 0.000 claims abstract description 83
- 239000000080 wetting agent Substances 0.000 claims abstract description 33
- 239000004698 Polyethylene Substances 0.000 claims abstract description 23
- -1 polyethylene Polymers 0.000 claims abstract description 23
- 229920000573 polyethylene Polymers 0.000 claims abstract description 23
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 18
- 239000010703 silicon Substances 0.000 claims abstract description 18
- 239000013530 defoamer Substances 0.000 claims abstract description 17
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims description 20
- 238000001914 filtration Methods 0.000 claims description 12
- 239000002518 antifoaming agent Substances 0.000 claims description 7
- CDOUZKKFHVEKRI-UHFFFAOYSA-N 3-bromo-n-[(prop-2-enoylamino)methyl]propanamide Chemical group BrCCC(=O)NCNC(=O)C=C CDOUZKKFHVEKRI-UHFFFAOYSA-N 0.000 claims description 6
- 235000019329 dioctyl sodium sulphosuccinate Nutrition 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims description 4
- WUGQZFFCHPXWKQ-UHFFFAOYSA-N Propanolamine Chemical compound NCCCO WUGQZFFCHPXWKQ-UHFFFAOYSA-N 0.000 claims description 3
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- HXKKHQJGJAFBHI-UHFFFAOYSA-N 1-aminopropan-2-ol Chemical compound CC(O)CN HXKKHQJGJAFBHI-UHFFFAOYSA-N 0.000 claims description 2
- BFSVOASYOCHEOV-UHFFFAOYSA-N 2-diethylaminoethanol Chemical compound CCN(CC)CCO BFSVOASYOCHEOV-UHFFFAOYSA-N 0.000 claims description 2
- UEEJHVSXFDXPFK-UHFFFAOYSA-O N-dimethylethanolamine Chemical compound C[NH+](C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-O 0.000 claims description 2
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 2
- SLINHMUFWFWBMU-UHFFFAOYSA-N Triisopropanolamine Chemical compound CC(O)CN(CC(C)O)CC(C)O SLINHMUFWFWBMU-UHFFFAOYSA-N 0.000 claims description 2
- 239000004480 active ingredient Substances 0.000 claims description 2
- LVTYICIALWPMFW-UHFFFAOYSA-N diisopropanolamine Chemical compound CC(O)CNCC(C)O LVTYICIALWPMFW-UHFFFAOYSA-N 0.000 claims description 2
- 229940043276 diisopropanolamine Drugs 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 15
- 230000007547 defect Effects 0.000 abstract description 6
- 239000003795 chemical substances by application Substances 0.000 abstract description 5
- 230000006872 improvement Effects 0.000 abstract description 5
- 230000035699 permeability Effects 0.000 abstract description 5
- 239000002966 varnish Substances 0.000 abstract description 3
- 239000000976 ink Substances 0.000 description 48
- 229920005692 JONCRYL® Polymers 0.000 description 17
- 230000000052 comparative effect Effects 0.000 description 12
- 229920001296 polysiloxane Polymers 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 229920005928 JONCRYL® 77 Polymers 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 238000009499 grossing Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 229920005762 JONCRYL® LMV 7040 Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 206010027627 Miliaria Diseases 0.000 description 1
- 241001448624 Miliaria Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical group [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 201000004169 miliaria rubra Diseases 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012860 organic pigment Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 description 1
- 229920003169 water-soluble polymer Polymers 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
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 relates to the technical field of water-based varnish, and particularly relates to water-based printing ink and a preparation method thereof, wherein the water-based printing ink comprises the following raw materials in parts by weight: 75-95 parts of water-based mixed emulsion, 0.2-0.4 part of organic silicon defoamer, 8-10 parts of water-based polyethylene wax emulsion, 1-2 parts of wetting agent, 0.1-0.2 part of pH regulator and 4-8 parts of water. The water-based printing ink disclosed by the invention can reduce the viscosity of the water-based printing ink by water so as to facilitate conveying and printing, can increase the absorptivity and permeability by virtue of the wetting agent, greatly enhances the leveling effect of the wetting agent with a specific dosage, has no defects of shrinkage cavities, pinholes, fog images and the like on the surface after printing, is an effect unexpected by an inventor, and simultaneously avoids the problems of higher cost and poor improvement effect caused by additionally adding the leveling agent to improve the leveling property.
Description
Technical Field
The invention relates to the technical field of water-based varnish, and particularly relates to water-based printing ink and a preparation method thereof.
Background
The water-based ink, referred to as water ink for short, and the water-based ink for flexographic plates, also referred to as liquid ink, are mainly prepared by carrying out composite grinding processing on water-soluble resin, organic pigment, solvent and related auxiliary agents. The water-based ink is particularly suitable for packaging printed products with strict requirements on sanitary conditions, such as cigarettes, wine, foods, beverages, medicines, toys for children and the like.
In practical production, the aqueous gloss oil has the problems of high viscosity, high conveying difficulty, poor printing effect and the like, in order to improve the defects, certain water is usually added to reduce the viscosity so as to facilitate conveying and printing, but the surface tension of the water is high, so that the leveling property of the aqueous gloss oil printing is easily deteriorated, a leveling agent is additionally added to improve the leveling property, but the cost is high and the improvement effect is poor.
Disclosure of Invention
In order to overcome the disadvantages and shortcomings of the prior art, one of the objects of the present invention is to provide an aqueous printing ink.
The second purpose of the invention is to provide a preparation method of the water-based printing ink, which has the advantages of simple operation, convenient control, high production efficiency and low production cost and can be used for large-scale production.
One of the purposes of the invention is realized by the following technical scheme: the water-based printing ink comprises the following raw materials in parts by weight:
the water-based printing ink disclosed by the invention takes the water-based mixed emulsion as a main binder, and the organic silicon defoamer, the water-based polyethylene wax emulsion, the wetting agent, the pH regulator and water are added, so that the viscosity of the water-based printing ink can be reduced by water for conveying and printing, the absorptivity and permeability can be increased by means of the wetting agent, the leveling effect of the wetting agent with a specific dosage is greatly enhanced, the surface of the ink after printing has no defects such as shrinkage cavity, pinhole, fog shadow and the like, the effect which is unexpected by the inventor is achieved, and the problems of higher cost and poor improvement effect due to the fact that the leveling agent is additionally added to improve the leveling property are avoided.
Preferably, the aqueous mixed emulsion is formed by mixing an aqueous non-film-forming emulsion and an aqueous film-forming emulsion according to a weight ratio of 55-65.
By adopting the technical scheme, the aqueous non-film-forming emulsion and the aqueous film-forming emulsion are mixed for use, so that the high gloss, quick drying, anti-after-tack and wear resistance of the printing ink after printing are improved.
Preferably, the aqueous non-film-forming emulsion is an aqueous non-film-forming emulsion with Tg value of 105-115 ℃ and solid content of 40-50 wt%.
By adopting the technical scheme, the water-based non-film-forming emulsion has the characteristics of high gloss, quick drying and low odor, is suitable for water ink and varnish, and further, is selected from at least one of JONCRYL 90, JONCRYL LV 7601 or JONCRYL 8055ap.
Preferably, the aqueous film-forming emulsion is an aqueous film-forming emulsion with Tg value of 10-30 ℃ and solid content of 40-50 wt%.
By adopting the technical scheme, the water-based film-forming emulsion has better printing adaptability, pH stability, anti-tack property, excellent adhesive force, wear resistance and low VOC (volatile organic compounds) performance, and further, the water-based film-forming emulsion is selected from at least one of JONCRYL 77, JONCRYL LMV 7040, JONCRYL LV7602 or JONCRYL LV 7604.
Preferably, the silicone defoamer contains 10-20wt% of silicone emulsion active ingredient.
By adopting the technical scheme, the defoaming agent can play a defoaming role in a cold and hot system, and is beneficial to leveling ink, so that the phenomenon of shrinkage cavity is avoided. Further, the organosilicon antifoaming agent is AFE-1410 or AFE-1520.
Preferably, the solid content of the aqueous polyethylene wax emulsion is 32-35wt%, and the pH value is 9-10.
By adopting the technical scheme, the wear resistance of the ink can be improved and the good gloss can be kept when the ink is added into the water-based mixed emulsion. Further, the aqueous polyethylene WAX emulsion is selected from at least one of JONCRYL WAX35, JONCRYL WAX28 or JONCRYL WAX 120.
Preferably, the wetting agent is dioctyl sodium sulfosuccinate.
By adopting the technical scheme, the water-soluble polymer has the characteristic of very fast migration to an interface, and is a very excellent wetting agent and emulsifying agent. Its surface modification properties can be used to lower surface tension, increase absorbency and permeability.
Preferably, the pH adjuster is at least one of monoethanolamine, diethanolamine, triethanolamine, 3-propanolamine, monoisopropanolamine, diisopropanolamine, triisopropanolamine, N-dimethylethanolamine, and N, N-diethylethanolamine.
By adopting the technical scheme, the pH value of the ink can be adjusted.
The second purpose of the invention is realized by the following technical scheme: the preparation method of the water-based printing ink comprises the following steps:
(S1) preparing aqueous mixed emulsion, an organic silicon defoamer, aqueous polyethylene wax emulsion, a wetting agent, a pH regulator and water according to parts by weight;
and (S2) adding water, a wetting agent, the aqueous polyethylene wax emulsion, a pH regulator and an organic silicon defoaming agent into the mixed emulsion under the stirring condition, continuously stirring for a certain time, and filtering to obtain the aqueous printing ink.
Preferably, in the step (S2), the stirring is continued for 1 to 3 hours at a stirring speed of 360 to 500rpm, and the mesh number of the filtration is 300.
By adopting the technical scheme, the water-based printing ink is uniformly mixed and passes through a 300-mesh screen, so that the ink is leveled, and the defects of orange peel, fish eyes and the like are avoided.
The invention has the beneficial effects that: the water-based printing ink disclosed by the invention takes the water-based mixed emulsion as a main binder, and the organic silicon defoamer, the water-based polyethylene wax emulsion, the wetting agent, the pH regulator and the water are added, so that the viscosity of the water-based printing ink can be reduced for conveying and printing, the absorptivity and permeability of the water-based printing ink can be increased by means of the wetting agent, the leveling effect of the wetting agent with a specific dosage is greatly enhanced, the surface of the ink printed does not have the defects of shrinkage cavities, pinholes, fog shadows and the like, the effect unexpected by an inventor is achieved, and the problems that the leveling property is improved by additionally adding the leveling agent, the cost is high, and the improvement effect is poor are avoided.
The preparation method disclosed by the invention is simple to operate, convenient to control, high in production efficiency and low in production cost, and can be used for large-scale production.
Detailed Description
The present invention will be further described with reference to the following examples, which are not intended to limit the scope of the present invention.
Example 1
The water-based printing ink comprises the following raw materials in parts by weight:
the water-based mixed emulsion is formed by mixing water-based non-film-forming emulsion and water-based film-forming emulsion according to the weight ratio of 60.
The water-based non-film-forming emulsion is JONCRYL 90.
The water-based film-forming emulsion is JONCRYL 77.
The silicone defoamer is AFE-1410.
The water-based polyethylene WAX emulsion is JONCRYL WAX35.
The wetting agent is dioctyl sodium sulfosuccinate (OT-75).
The pH regulator is monoethanolamine.
The preparation method of the water-based printing ink comprises the following steps:
(S1) taking aqueous mixed emulsion, an organic silicon defoamer, aqueous polyethylene wax emulsion, a wetting agent, a pH regulator and water in parts by weight;
and (S2) adding water, a wetting agent, the aqueous polyethylene wax emulsion, a pH regulator and an organic silicon defoaming agent into the mixed emulsion under the stirring condition, continuing stirring for 2 hours, and filtering to obtain the aqueous printing ink.
In the step (S2), the stirring speed is 420rpm, and the filtering mesh is 300 meshes.
Example 2
The water-based printing ink comprises the following raw materials in parts by weight:
the water-based mixed emulsion is formed by mixing water-based non-film-forming emulsion and water-based film-forming emulsion according to the weight ratio of 55.
The water-based non-film-forming emulsion is JONCRYL LV 7601.
The aqueous film-forming emulsion is JONCRYL LMV 7040.
The silicone defoamer is AFE-1520.
The water-based polyethylene WAX emulsion is JONCRYL WAX28.
The wetting agent is dioctyl sodium sulfosuccinate (OT-75).
The pH regulator is diethanolamine.
The preparation method of the water-based printing ink comprises the following steps:
(S1) taking aqueous mixed emulsion, an organic silicon defoamer, aqueous polyethylene wax emulsion, a wetting agent, a pH regulator and water in parts by weight;
and (S2) adding water, a wetting agent, the aqueous polyethylene wax emulsion, a pH regulator and an organic silicon defoamer into the mixed emulsion under the stirring condition, continuing stirring for 1h, and filtering to obtain the aqueous printing ink.
In the step (S2), the stirring speed is 500rpm, and the filtering mesh is 300 meshes.
Example 3
The water-based printing ink comprises the following raw materials in parts by weight:
the water-based mixed emulsion is formed by mixing water-based non-film-forming emulsion and water-based film-forming emulsion according to the weight ratio of 65.
The water-based non-film-forming emulsion is JONCRYL 8055ap.
The aqueous film-forming emulsion is JONCRYL LV7602.
The silicone defoamer is AFE-1410.
The water-based polyethylene WAX emulsion is JONCRYL WAX35.
The wetting agent is dioctyl sodium sulfosuccinate (OT-75).
The pH regulator is 3-propanolamine.
The preparation method of the water-based printing ink comprises the following steps:
(S1) preparing aqueous mixed emulsion, an organic silicon defoamer, aqueous polyethylene wax emulsion, a wetting agent, a pH regulator and water according to parts by weight;
and (S2) adding water, a wetting agent, the aqueous polyethylene wax emulsion, a pH regulator and an organic silicon defoamer into the mixed emulsion under the stirring condition, continuously stirring for 3 hours, and filtering to obtain the aqueous printing ink.
In the step (S2), the stirring speed is 360rpm, and the filtering mesh number is 300 meshes.
Example 4
The water-based printing ink comprises the following raw materials in parts by weight:
the water-based mixed emulsion is formed by mixing water-based non-film-forming emulsion and water-based film-forming emulsion according to the weight ratio of 58.
The water-based non-film-forming emulsion is JONCRYL 90.
The water-based film-forming emulsion is JONCRYL 77.
The silicone defoamer is AFE-1410.
The water-based polyethylene WAX emulsion is JONCRYL WAX35.
The wetting agent is dioctyl sodium sulfosuccinate (OT-75).
The pH regulator is monoethanolamine.
The preparation method of the water-based printing ink comprises the following steps:
(S1) taking aqueous mixed emulsion, an organic silicon defoamer, aqueous polyethylene wax emulsion, a wetting agent, a pH regulator and water in parts by weight;
and (S2) adding water, a wetting agent, the aqueous polyethylene wax emulsion, a pH regulator and an organic silicon defoaming agent into the mixed emulsion under the stirring condition, continuously stirring for 1.5h, and filtering to obtain the aqueous printing ink.
In the step (S2), the stirring speed is 500rpm, and the filtering mesh is 300 meshes.
Comparative example 1
The comparative example differs from example 1 in that:
the wetting agent is sodium dodecyl benzene sulfonate.
Comparative example 2
This comparative example differs from example 1 in that:
the wetting agent is DAPRO W-77.
Comparative example 3
This comparative example differs from example 1 in that:
the aqueous mixed emulsion is replaced by an aqueous film-forming emulsion JONCRYL 77.
Performance test
The aqueous printing inks of examples 1 to 4 and comparative examples 1 to 3 were tested for leveling, adhesion and abrasion resistance as follows:
and (3) leveling property testing: coating the water-based printing ink on the white cardboard, standing for 5min, air-drying for 20min by using a blower or drying for 15min in an oven at 50 ℃, and observing the surface condition of the white cardboard;
and (3) testing the adhesive force: detecting the water-based ink according to GB/T13217.7 2009 'method for testing the adhesion fastness of the liquid ink', wherein the unit is percent;
and (3) wear resistance test: coating the water-based printing ink on the white cardboard, drying, performing back and forth detection for 100 times at 2 pounds of pressure by using a Jinnan Glan wear-resistant instrument, and observing the surface change of the white cardboard;
the test results are shown in the following table:
| leveling property | Adhesive force% | Wear resistance | |
| Example 1 | Surface smoothing | 94 | No surface wear |
| Example 2 | Surface smoothing | 90 | No surface abrasion |
| Example 3 | Surface smoothing | 95 | No surface abrasion |
| Example 4 | Surface smoothing | 92 | No surface wear |
| Comparative example 1 | Prickly heat on surface | 90 | No surface abrasion |
| Comparative example 2 | The surface of the material has shrinkage cavity | 88 | No surface abrasion |
| Comparative example 3 | The surface has shrinkage edge | 63 | Surface peeling |
As can be seen from the above table, the water-based printing ink provided by the invention takes the water-based mixed emulsion as a main binder, the organic silicon defoamer, the water-based polyethylene wax emulsion, the wetting agent, the pH regulator and water are added, the absorption and permeability are increased by virtue of the wetting agent, the leveling effect of the wetting agent with the specific dosage is greatly enhanced, the surface of the ink printed has no defects such as shrinkage cavity, pinhole, fog shadow and the like, the ink printed has an unexpected effect, and the problems that the leveling property is improved by additionally adding the leveling agent, the cost is high and the improvement effect is poor are avoided. Compared with comparative example 1, the surface of the ink of example 1 after film formation is smoother, while the surface of comparative example 1 has miliaria, which indicates that the leveling effect of example 1 is better.
The above-described embodiments are preferred implementations of the present invention, and the present invention may be implemented in other ways without departing from the spirit of the present invention.
Claims (10)
1. The water-based printing ink is characterized by comprising the following raw materials in parts by weight:
2. an aqueous printing ink as defined in claim 1 wherein: the water-based mixed emulsion is formed by mixing water-based non-film-forming emulsion and water-based film-forming emulsion according to the weight ratio of 55-65.
3. An aqueous printing ink as claimed in claim 2, characterized in that: the water-based non-film-forming emulsion is water-based non-film-forming emulsion with Tg value of 105-115 ℃ and solid content of 40-50 wt%.
4. An aqueous printing ink according to claim 2, characterised in that: the aqueous film-forming emulsion is aqueous film-forming emulsion with Tg value of 10-30 ℃ and solid content of 40-50 wt%.
5. An aqueous printing ink according to claim 1, characterised in that: the organic silicon defoaming agent contains 10-20wt% of organic silicon emulsion active ingredients.
6. An aqueous printing ink according to claim 1, characterised in that: the solid content of the aqueous polyethylene wax emulsion is 32-35wt%, and the pH value is 9-10.
7. An aqueous printing ink according to claim 1, characterised in that: the wetting agent is dioctyl sodium sulfosuccinate.
8. An aqueous printing ink as defined in claim 1 wherein: the pH regulator is at least one of monoethanolamine, diethanolamine, triethanolamine, 3-propanolamine, monoisopropanolamine, diisopropanolamine, triisopropanolamine, N-dimethylethanolamine and N, N-diethylethanolamine.
9. A method for preparing an aqueous printing ink according to any of claims 1 to 8, characterized in that it comprises the following steps:
(S1) preparing aqueous mixed emulsion, an organic silicon defoamer, aqueous polyethylene wax emulsion, a wetting agent, a pH regulator and water according to parts by weight;
and (S2) adding water, a wetting agent, the aqueous polyethylene wax emulsion, a pH regulator and an organic silicon defoaming agent into the mixed emulsion under the stirring condition, continuously stirring for a certain time, and filtering to obtain the aqueous printing ink.
10. The method of claim 9, wherein the aqueous printing ink is prepared by: in the step (S2), the continuous stirring time is 1-3h, the stirring speed is 360-500rpm, and the filtering mesh number is 300 meshes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211167810.7A CN115491079A (en) | 2022-09-23 | 2022-09-23 | Water-based printing ink and preparation method thereof |
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| CN202211167810.7A CN115491079A (en) | 2022-09-23 | 2022-09-23 | Water-based printing ink and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102617771A (en) * | 2012-03-26 | 2012-08-01 | 田立壮 | Aqueous printing ink binding agent and ink as well as preparation methods 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 |
| CN110358355A (en) * | 2019-07-02 | 2019-10-22 | 惠州市至上新材料有限公司 | A kind of high abrasion aluminum foil lining paper water-based inks and preparation method thereof for exempting from finishing oil |
-
2022
- 2022-09-23 CN CN202211167810.7A patent/CN115491079A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102617771A (en) * | 2012-03-26 | 2012-08-01 | 田立壮 | Aqueous printing ink binding agent and ink as well as preparation methods 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 |
| CN110358355A (en) * | 2019-07-02 | 2019-10-22 | 惠州市至上新材料有限公司 | A kind of high abrasion aluminum foil lining paper water-based inks and preparation method thereof for exempting from finishing oil |
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Application publication date: 20221220 |
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