CN114702855A - Water-based ink with good printability and preparation method thereof - Google Patents
Water-based ink with good printability and preparation method thereof Download PDFInfo
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- CN114702855A CN114702855A CN202210304256.6A CN202210304256A CN114702855A CN 114702855 A CN114702855 A CN 114702855A CN 202210304256 A CN202210304256 A CN 202210304256A CN 114702855 A CN114702855 A CN 114702855A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 38
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 23
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 23
- 239000002270 dispersing agent Substances 0.000 claims abstract description 23
- 239000004814 polyurethane Substances 0.000 claims abstract description 23
- 229920002635 polyurethane Polymers 0.000 claims abstract description 23
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 23
- 239000002904 solvent Substances 0.000 claims abstract description 23
- 239000002562 thickening agent Substances 0.000 claims abstract description 23
- 230000000149 penetrating effect Effects 0.000 claims abstract description 21
- 239000000049 pigment Substances 0.000 claims abstract description 19
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 17
- 239000000945 filler Substances 0.000 claims abstract description 17
- 239000000080 wetting agent Substances 0.000 claims abstract description 17
- 238000000498 ball milling Methods 0.000 claims abstract description 16
- 238000002156 mixing Methods 0.000 claims abstract description 16
- 238000003756 stirring Methods 0.000 claims description 23
- 238000007645 offset printing Methods 0.000 claims description 21
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 16
- 238000001914 filtration Methods 0.000 claims description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 8
- -1 sodium sulfobenzenesulfonate Chemical group 0.000 claims description 7
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims description 6
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 claims description 6
- 108010010803 Gelatin Proteins 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- 239000002202 Polyethylene glycol Substances 0.000 claims description 6
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 claims description 6
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 6
- 229920000159 gelatin Polymers 0.000 claims description 6
- 239000008273 gelatin Substances 0.000 claims description 6
- 235000019322 gelatine Nutrition 0.000 claims description 6
- 235000011852 gelatine desserts Nutrition 0.000 claims description 6
- 229920000609 methyl cellulose Polymers 0.000 claims description 6
- 239000001923 methylcellulose Substances 0.000 claims description 6
- 235000010981 methylcellulose Nutrition 0.000 claims description 6
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 6
- 229920001223 polyethylene glycol Polymers 0.000 claims description 6
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims description 6
- 229940037312 stearamide Drugs 0.000 claims description 6
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims description 6
- QXJQHYBHAIHNGG-UHFFFAOYSA-N trimethylolethane Chemical compound OCC(C)(CO)CO QXJQHYBHAIHNGG-UHFFFAOYSA-N 0.000 claims description 6
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 6
- 229920002554 vinyl polymer Polymers 0.000 claims description 6
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 claims description 4
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 9
- 230000002045 lasting effect Effects 0.000 abstract description 4
- 230000005923 long-lasting effect Effects 0.000 abstract description 2
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- 239000012752 auxiliary agent 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
- 230000004075 alteration Effects 0.000 description 1
- 229920003180 amino resin Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 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
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000007788 liquid Substances 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
- 238000004519 manufacturing process Methods 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
- 238000004806 packaging method and process Methods 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 238000007639 printing Methods 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
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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
-
- 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
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 water-based ink with better printability and a preparation method thereof; adding polyvinyl alcohol, waterborne polyurethane, pigment and filler, a cross-linking agent, a thickening agent, a defoaming agent, a dispersing agent, a penetrating agent and a wetting agent into a stirrer, mixing to obtain a first product, adding a solvent and a leveling agent into the first product, mixing through the stirrer to obtain a second product, pouring the second product into a ball mill for ball milling, controlling the rotating speed of the ball mill to be 2800r/min, and ball milling for 45 min; according to the invention, by arranging the polyvinyl alcohol, the waterborne polyurethane, the pigment and filler, the cross-linking agent, the thickening agent, the solvent, the leveling agent, the defoaming agent, the dispersing agent, the penetrating agent and the wetting agent, the problems of unstable performance, no wear resistance and scratch resistance, short lasting time and poor color of the existing waterborne ink and the preparation method thereof are solved, and the waterborne ink with better printability and the preparation method thereof have the advantages of stable performance, wear resistance and scratch resistance, long lasting time and better tinting strength.
Description
Technical Field
The invention relates to the technical field of ink production, in particular to water-based ink with better printability and a preparation method thereof.
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, and is a uniform pasty substance consisting 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. The existing water-based ink and the preparation method thereof have the defects of unstable performance, no wear resistance and scratch resistance, short lasting time and poor color, and provide the water-based ink with better printability and the preparation method thereof for solving the problems.
Disclosure of Invention
The invention aims to provide a water-based ink with better printability and a preparation method thereof, and solves the problems of unstable performance, wear resistance, scratch resistance, short lasting time and poor color difference of the conventional water-based ink and the preparation method thereof.
In order to achieve the purpose, the invention provides the following technical scheme: a better printability water-based ink is prepared from the following raw materials in parts by weight: 60-70 parts of polyvinyl alcohol, 10-30 parts of waterborne polyurethane, 3-6 parts of pigment and filler, 3-5 parts of cross-linking agent, 1-7 parts of thickening agent, 23-45 parts of solvent, 5-13 parts of flatting agent, 4-8 parts of defoaming agent, 2-7 parts of dispersing agent, 1-4 parts of penetrating agent and 3-6 parts of wetting agent.
A preparation method of water-based ink with better printability comprises the following steps:
step 1: adding polyvinyl alcohol, waterborne polyurethane, pigment filler, cross-linking agent, thickening agent, defoaming agent, dispersing agent, penetrating agent and wetting agent into a stirrer, and mixing to obtain a first product;
and 2, step: adding a solvent and a flatting agent into the first product, and mixing by a stirrer to obtain a second product;
and step 3: pouring the second product into a ball mill for ball milling, controlling the rotating speed of the ball mill to be 2800r/min, and performing ball milling for 45min to prepare the environment-friendly water-based offset printing ink with the particle size of 5-10 um;
and 4, step 4: filtering the environment-friendly water-based offset printing ink for 5-10 times by a 200-mesh screen, and filtering out residues in the environment-friendly water-based offset printing ink.
Preferably, in step 1, the aqueous polyurethane is prepared from the following raw materials: toluene diisocyanate, trimethylolethane, 10% diluted hydrochloric acid, nano-alumina and KH 550.
Preferably, in the step 1, the stirring speed is 500-.
Preferably, in the step 2, the stirring speed is 400-500r/min, and the stirring time is 20-30 min.
Preferably, in the step 1, the dispersant is one or more of vinyl bis stearamide, ethylene-vinyl acetate copolymer, ethylene-acrylic acid copolymer and polyethylene glycol.
Preferably, in step 2, the solvent is one or more of water, ethanol and glycol.
Preferably, in step 1, the thickener is one or more of methylcellulose, gelatin and polyvinyl alcohol.
Preferably, in step 1, the crosslinking agent is one or more of dicumyl peroxide, diethylenetriamine and trimethylolpropane.
Preferably, in step 1, the penetrant is sodium sulfobenzenesulfonate.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, by arranging the polyvinyl alcohol, the waterborne polyurethane, the pigment and filler, the cross-linking agent, the thickening agent, the solvent, the leveling agent, the defoaming agent, the dispersing agent, the penetrating agent and the wetting agent, the problems of unstable performance, no wear resistance and scratch resistance, short lasting time and poor color of the existing waterborne ink and the preparation method thereof are solved, and the better printability waterborne ink and the preparation method thereof have the advantages of stable performance, wear resistance and scratch resistance, long lasting time and better tinting strength.
Detailed Description
The present invention will now be described in more detail by way of examples, which are given by way of illustration only and are not intended to limit the scope of the present invention in any way.
The invention provides a technical scheme that: a better printability water-based ink comprises the following components in parts by weight:
60-70 parts of polyvinyl alcohol, 10-30 parts of waterborne polyurethane, 3-6 parts of pigment and filler, 3-5 parts of cross-linking agent, 1-7 parts of thickening agent, 23-45 parts of solvent, 5-13 parts of flatting agent, 4-8 parts of defoaming agent, 2-7 parts of dispersing agent, 1-4 parts of penetrating agent and 3-6 parts of wetting agent.
A preparation method of water-based ink with better printability comprises the following steps;
step 1: adding polyvinyl alcohol, waterborne polyurethane, pigment filler, cross-linking agent, thickening agent, defoaming agent, dispersing agent, penetrating agent and wetting agent into a stirrer, and mixing to obtain a first product;
step 2: adding a solvent and a flatting agent into the first product, and mixing by a stirrer to obtain a second product;
and step 3: pouring the second product into a ball mill for ball milling, controlling the rotating speed of the ball mill to be 2800r/min, and performing ball milling for 45min to obtain the environment-friendly water-based offset printing ink with the particle size of 5-10 mu m;
and 4, step 4: filtering the environment-friendly water-based offset printing ink for 5-10 times by a 200-mesh screen, and filtering out residues in the environment-friendly water-based offset printing ink.
The first embodiment is as follows:
60 parts of polyvinyl alcohol, 10 parts of waterborne polyurethane, 3 parts of pigment and filler, 3 parts of cross-linking agent, 1 part of thickening agent, 20 parts of solvent, 8 parts of flatting agent, 4 parts of defoaming agent, 2 parts of dispersing agent, 1 part of penetrating agent and 3 parts of wetting agent.
Adding polyvinyl alcohol, waterborne polyurethane, pigment and filler, a cross-linking agent, a thickening agent, a defoaming agent, a dispersing agent, a penetrating agent and a wetting agent into a stirrer, mixing to obtain a first product, adding a solvent and a leveling agent into the first product, mixing by the stirrer to obtain a second product, pouring the second product into a ball mill for ball milling, controlling the rotating speed of the ball mill to be 2800r/min, performing ball milling for 45min to obtain the environment-friendly water-based offset printing ink with the particle size of 5-10um, filtering the environment-friendly water-based offset printing ink for 5-10 times by a 200-mesh screen, and filtering out residues in the environment-friendly water-based offset printing ink, wherein the waterborne polyurethane is prepared from the following raw materials: toluene diisocyanate, trimethylolethane, 10% diluted hydrochloric acid, nano-alumina and KH550, wherein the stirring speed is 500-800r/min, the stirring time is 30-40min, the stirring speed is 400-500r/min, the stirring time is 20-30min, the dispersing agent is one or more of vinyl bis-stearamide, ethylene-vinyl acetate copolymer, ethylene-acrylic acid copolymer and polyethylene glycol, the solvent is one or more of water, ethanol and ethylene glycol, the thickening agent is one or more of methyl cellulose, gelatin and polyvinyl alcohol, the crosslinking agent is one or more of dicumyl peroxide, diethylenetriamine and trimethylolpropane, and the penetrating agent is sodium sulfobenzenesulfonate.
Example two:
60 parts of polyvinyl alcohol, 10 parts of waterborne polyurethane, 3 parts of pigment and filler, 3 parts of cross-linking agent, 1 part of thickening agent, 20 parts of solvent, 5 parts of flatting agent, 7 parts of defoaming agent, 2 parts of dispersing agent, 1 part of penetrating agent and 3 parts of wetting agent.
Adding polyvinyl alcohol, waterborne polyurethane, pigment and filler, a cross-linking agent, a thickening agent, a defoaming agent, a dispersing agent, a penetrating agent and a wetting agent into a stirrer, mixing to obtain a first product, adding a solvent and a leveling agent into the first product, mixing by the stirrer to obtain a second product, pouring the second product into a ball mill for ball milling, controlling the rotating speed of the ball mill to be 2800r/min, performing ball milling for 45min to obtain the environment-friendly water-based offset printing ink with the particle size of 5-10um, filtering the environment-friendly water-based offset printing ink for 5-10 times by a 200-mesh screen, and filtering out residues in the environment-friendly water-based offset printing ink, wherein the waterborne polyurethane is prepared from the following raw materials: toluene diisocyanate, trimethylolethane, 10% diluted hydrochloric acid, nano-alumina and KH550, wherein the stirring speed is 500-800r/min, the stirring time is 30-40min, the stirring speed is 400-500r/min, the stirring time is 20-30min, the dispersing agent is one or more of vinyl bis-stearamide, ethylene-vinyl acetate copolymer, ethylene-acrylic acid copolymer and polyethylene glycol, the solvent is one or more of water, ethanol and ethylene glycol, the thickening agent is one or more of methyl cellulose, gelatin and polyvinyl alcohol, the crosslinking agent is one or more of dicumyl peroxide, diethylenetriamine and trimethylolpropane, and the penetrating agent is sodium sulfobenzenesulfonate.
Example three:
60 parts of polyvinyl alcohol, 10 parts of waterborne polyurethane, 3 parts of pigment and filler, 3 parts of cross-linking agent, 1 part of thickening agent, 20 parts of solvent, 5 parts of flatting agent, 4 parts of defoaming agent, 5 parts of dispersing agent, 1 part of penetrating agent and 3 parts of wetting agent.
Adding polyvinyl alcohol, waterborne polyurethane, pigment and filler, a cross-linking agent, a thickening agent, a defoaming agent, a dispersing agent, a penetrating agent and a wetting agent into a stirrer, mixing to obtain a first product, adding a solvent and a leveling agent into the first product, mixing by the stirrer to obtain a second product, pouring the second product into a ball mill for ball milling, controlling the rotating speed of the ball mill to be 2800r/min, performing ball milling for 45min to obtain the environment-friendly water-based offset printing ink with the particle size of 5-10um, filtering the environment-friendly water-based offset printing ink for 5-10 times by a 200-mesh screen, and filtering out residues in the environment-friendly water-based offset printing ink, wherein the waterborne polyurethane is prepared from the following raw materials: toluene diisocyanate, trimethylolethane, 10% diluted hydrochloric acid, nano-alumina and KH550, wherein the stirring speed is 500-800r/min, the stirring time is 30-40min, the stirring speed is 400-500r/min, the stirring time is 20-30min, the dispersing agent is one or more of vinyl bis-stearamide, ethylene-vinyl acetate copolymer, ethylene-acrylic acid copolymer and polyethylene glycol, the solvent is one or more of water, ethanol and ethylene glycol, the thickening agent is one or more of methyl cellulose, gelatin and polyvinyl alcohol, the crosslinking agent is one or more of dicumyl peroxide, diethylenetriamine and trimethylolpropane, and the penetrating agent is sodium sulfobenzenesulfonate.
Example four:
60 parts of polyvinyl alcohol, 10 parts of waterborne polyurethane, 3 parts of pigment and filler, 3 parts of cross-linking agent, 1 part of thickening agent, 20 parts of solvent, 5 parts of flatting agent, 4 parts of defoaming agent, 2 parts of dispersing agent, 4 parts of penetrating agent and 3 parts of wetting agent.
Adding polyvinyl alcohol, waterborne polyurethane, pigment and filler, a cross-linking agent, a thickening agent, a defoaming agent, a dispersing agent, a penetrating agent and a wetting agent into a stirrer, mixing to obtain a first product, adding a solvent and a leveling agent into the first product, mixing by the stirrer to obtain a second product, pouring the second product into a ball mill for ball milling, controlling the rotating speed of the ball mill to be 2800r/min, performing ball milling for 45min to obtain the environment-friendly water-based offset printing ink with the particle size of 5-10um, filtering the environment-friendly water-based offset printing ink for 5-10 times by a 200-mesh screen, and filtering out residues in the environment-friendly water-based offset printing ink, wherein the waterborne polyurethane is prepared from the following raw materials: toluene diisocyanate, trimethylolethane, 10% diluted hydrochloric acid, nano-alumina and KH550, wherein the stirring speed is 500-800r/min, the stirring time is 30-40min, the stirring speed is 400-500r/min, the stirring time is 20-30min, the dispersing agent is one or more of vinyl bis-stearamide, ethylene-vinyl acetate copolymer, ethylene-acrylic acid copolymer and polyethylene glycol, the solvent is one or more of water, ethanol and ethylene glycol, the thickening agent is one or more of methyl cellulose, gelatin and polyvinyl alcohol, the crosslinking agent is one or more of dicumyl peroxide, diethylenetriamine and trimethylolpropane, and the penetrating agent is sodium sulfobenzenesulfonate.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A water-based ink with better printability is characterized in that: the feed is prepared from the following raw materials in parts by weight: 60-70 parts of polyvinyl alcohol, 10-30 parts of waterborne polyurethane, 3-6 parts of pigment and filler, 3-5 parts of cross-linking agent, 1-7 parts of thickening agent, 23-45 parts of solvent, 5-13 parts of flatting agent, 4-8 parts of defoaming agent, 2-7 parts of dispersing agent, 1-4 parts of penetrating agent and 3-6 parts of wetting agent.
2. A preparation method of water-based ink with better printability is characterized by comprising the following steps: the method comprises the following steps:
step 1: adding polyvinyl alcohol, waterborne polyurethane, pigment filler, cross-linking agent, thickening agent, defoaming agent, dispersing agent, penetrating agent and wetting agent into a stirrer, and mixing to obtain a first product;
step 2: adding a solvent and a flatting agent into the first product, and mixing by a stirrer to obtain a second product;
and step 3: pouring the second product into a ball mill for ball milling, controlling the rotating speed of the ball mill to be 2800r/min, and performing ball milling for 45min to prepare the environment-friendly water-based offset printing ink with the particle size of 5-10 um;
and 4, step 4: filtering the environment-friendly water-based offset printing ink for 5-10 times by a 200-mesh screen, and filtering out residues in the environment-friendly water-based offset printing ink.
3. The method for preparing the water-based ink with better printability according to the claim 2 is characterized in that: in the step 1, the waterborne polyurethane is prepared from the following raw materials: toluene diisocyanate, trimethylolethane, 10% diluted hydrochloric acid, nano-alumina and KH 550.
4. The method for preparing the water-based ink with better printability according to the claim 2 is characterized in that: in the step 1, the stirring speed is 500-800r/min, and the stirring time is 30-40 min.
5. The method for preparing the water-based ink with better printability according to the claim 2 is characterized in that: in the step 2, the stirring speed is 400-500r/min, and the stirring time is 20-30 min.
6. The method for preparing the water-based ink with better printability according to the claim 2 is characterized in that: in the step 1, the dispersing agent is one or more of vinyl bis stearamide, ethylene-vinyl acetate copolymer, ethylene-acrylic acid copolymer and polyethylene glycol.
7. The method for preparing the water-based ink with better printability according to the claim 2 is characterized in that: in the step 2, the solvent is one or more of water, ethanol and glycol.
8. The method for preparing the water-based ink with better printability according to the claim 2 is characterized in that: in the step 1, the thickening agent is one or more of methyl cellulose, gelatin and polyvinyl alcohol.
9. The method for preparing the water-based ink with better printability according to the claim 2 is characterized in that: in the step 1, the cross-linking agent is one or more of dicumyl peroxide, diethylenetriamine and trimethylolpropane.
10. The method for preparing the water-based ink with better printability according to the claim 2 is characterized in that: in the step 1, the penetrant is sodium sulfobenzenesulfonate.
Priority Applications (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116200073A (en) * | 2023-03-10 | 2023-06-02 | 广州市哲铭油墨涂料有限公司 | Water-based ink with quick-drying function and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110144138A (en) * | 2019-05-30 | 2019-08-20 | 广州江美印刷有限公司 | A kind of environment-friendly water-based offset ink and preparation method thereof |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110144138A (en) * | 2019-05-30 | 2019-08-20 | 广州江美印刷有限公司 | A kind of environment-friendly water-based offset ink and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 赵秀萍等: "《柔性版印刷技术》", 31 October 2013, 中国轻工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116200073A (en) * | 2023-03-10 | 2023-06-02 | 广州市哲铭油墨涂料有限公司 | Water-based ink with quick-drying function and preparation method thereof |
| CN116200073B (en) * | 2023-03-10 | 2023-10-13 | 广州市哲铭油墨涂料有限公司 | Water-based ink with quick-drying function and preparation method thereof |
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