CN112391082A - Waterborne polyurethane printing ink and printing process thereof - Google Patents
Waterborne polyurethane printing ink and printing process thereof Download PDFInfo
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- 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
- C09D11/101—Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0011—Pre-treatment or treatment during printing of the recording material, e.g. heating, irradiating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0023—Digital printing methods characterised by the inks used
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
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- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
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- C08G18/48—Polyethers
- C08G18/4825—Polyethers containing two hydroxy groups
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
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- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
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- 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
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- 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
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- 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
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Abstract
The invention discloses aqueous polyurethane printing ink and a printing process thereof, the aqueous polyurethane printing ink prepared by the scheme has excellent stability, dispersibility and surface coloring uniformity, and meanwhile, after the printing of the printing ink is finished, the printing ink has excellent adhesive force with a printing stock and has excellent actual printing effect. The application discloses waterborne polyurethane printing ink and printing technology thereof, the polyethylene printed matter prepared through the printing technology disclosed in the application has the advantages that the glazing oil on the surface of the polyethylene printed matter has higher glossiness and hardness, the water resistance and the flexibility are good, the printing layer on the surface of the printed matter can be protected, the service life of the printed matter is prolonged, the printed finished product has excellent uniform coloring effect, the surface adhesion force of the printing ink and the polyethylene substrate is high, the printing adaptability is higher, and the effect is better.
Description
Technical Field
The invention relates to the technical field of ink printing, in particular to waterborne polyurethane printing ink and a printing process thereof.
Background
The printing ink is a substance for forming graphic and text information in the printing process, is an indispensable part in the printing process, the quality difference of the printing ink directly determines the gradation, the color, the definition and the like of images on printed matters, and the printing ink mainly comprises a uniform mixture of substances such as color bodies (such as pigments, dyes and the like), binders, filling (filling) materials, additives and the like, and is a slurry-shaped adhesive body with color and certain fluidity.
In the existing printing process, one of the common printing inks of the water-based polyurethane ink has the advantages of convenience in use, stable performance, strong adhesive force, high glossiness, good heat resistance and the like, and is suitable for various printing modes.
Based on the situation, the application discloses a waterborne polyurethane printing ink and a printing process thereof, so as to solve the problem.
Disclosure of Invention
The invention aims to provide aqueous polyurethane printing ink and a printing process thereof, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme:
the preparation method of the water-based polyurethane printing ink specifically comprises the following steps:
A. mixing lysozyme and phosphate buffer solution, stirring, adding carbon nano tube, oscillating at constant temperature of 35-40 deg.C for 2-3h, centrifuging, collecting precipitate, and drying to obtain modified carbon nano tube;
B. mixing and stirring polypropylene glycol, trimethylolpropane monooleate, dimethylolpropionic acid and N-methyl pyrrolidone at 65-70 ℃, adding toluene diisocyanate and 1, 4-butanediol, carrying out heat preservation reaction, reducing the viscosity of acetone, adding triethylamine, deionized water and ethylenediamine, and reacting to obtain modified polyurethane;
C. and mixing and stirring modified polyurethane, the modified carbon nano tube, the wetting agent, deionized water, the defoaming agent, the leveling agent and the dispersing agent to obtain the printing ink.
According to an optimized scheme, the preparation method of the printing ink specifically comprises the following steps:
A. mixing lysozyme and phosphate buffer solution, stirring for 10-15min, adding carbon nanotube, ultrasonic dispersing for 20-30min, oscillating at constant temperature of 35-40 deg.C for 2-3h, centrifuging, collecting precipitate, and drying at 60-65 deg.C for 20-24h to obtain modified carbon nanotube;
B. mixing and stirring polypropylene glycol, trimethylolpropane monooleate, dimethylolpropionic acid and N-methyl pyrrolidone at 65-70 ℃ for 20-30min, adding toluene diisocyanate and 1, 4-butanediol, reacting for 3-4h under heat preservation, reducing viscosity by acetone, neutralizing by triethylamine, adding deionized water and ethylenediamine, and continuously reacting for 30-40min to obtain modified polyurethane;
C. taking modified polyurethane and modified carbon nanotubes, carrying out ultrasonic dispersion for 5-8min, adding a wetting agent and deionized water, mixing and stirring at 30-40 ℃ for 10-20min, then adding a defoaming agent, a leveling agent and a dispersing agent, and stirring for 20-30min to obtain the printing ink.
According to an optimized scheme, the printing ink comprises the following raw materials: 8-10 parts of modified carbon nano tube, 50-60 parts of modified polyurethane, 2-3 parts of wetting agent, 10-15 parts of deionized water, 1-2 parts of defoaming agent, 1-2 parts of flatting agent and 2-4 parts of dispersing agent.
In an optimized scheme, the defoaming agent is emulsified silicone oil.
In a preferred embodiment, the wetting agent is a polyacrylate.
A printing process adopting aqueous polyurethane printing ink specifically comprises the following steps:
1) taking a polyethylene base film, carrying out corona treatment on the upper surface of the polyethylene base film, cleaning and drying to obtain a pretreated base film;
2) mixing and stirring mercaptopropyltriethoxysilane, absolute ethyl alcohol and deionized water, adjusting pH, adding the pretreated base membrane, soaking at constant temperature for 3-4min, drying and curing to obtain a modified base membrane;
3) printing ink on the upper surface of the modified base film to form a printing ink layer;
4) and coating gloss oil on the upper surface of the printing ink layer, and performing UV photocuring to form a protective layer, thus obtaining the finished product.
The optimized scheme specifically comprises the following steps:
1) taking a polyethylene base film, sequentially cleaning the polyethylene base film by using acetone, absolute ethyl alcohol and deionized water, drying in vacuum, performing corona treatment on the upper surface of the polyethylene base film, wherein the corona strength is 38-40mN/m, and cleaning and drying to obtain a pretreated base film;
2) mixing and stirring mercaptopropyltriethoxysilane, absolute ethyl alcohol and deionized water for 10-20min, adjusting the pH to 3-4, continuing stirring for 20-30min at 25-28 ℃, then adding the pretreated base membrane, soaking at constant temperature for 3-4min, and drying and curing at 110-120 ℃ for 1-2min to obtain a modified base membrane;
3) printing ink on the upper surface of the modified base film to form a printing ink layer;
4) and coating gloss oil on the upper surface of the printing ink layer, and performing UV photocuring to form a protective layer, thus obtaining the finished product.
In an optimized scheme, in the step 4), the glazing oil is prepared by the following steps:
mixing and stirring toluene diisocyanate and polyether polyol for 10-15min, reacting for 1-1.2h at 75-80 ℃, adding ethylene glycol, dimethylolpropionic acid and N-methylpyrrolidone, continuing to react for 3-4h, adding hydroxyethyl methacrylate, hydroquinone and triethylamine for neutralization at 62-65 ℃, adding deionized water, and performing ultrasonic dispersion for 20-30min to obtain a material A;
and (3) taking the material A, the photoinitiator, the flatting agent and the defoaming agent, mixing uniformly, standing and defoaming to obtain the glazing oil.
In an optimized scheme, in the step 4), the UV light curing time is 1-1.5 h.
In a more optimized scheme, the photoinitiator is 2-hydroxy-2-methyl-1-phenyl acetone.
Compared with the prior art, the invention has the following beneficial effects:
the application discloses a waterborne polyurethane printing ink, which comprises components such as a modified carbon nano tube, modified polyurethane, a wetting agent, deionized water, a defoaming agent, a leveling agent and the like, wherein the modified carbon nano tube is mainly prepared by reacting lysozyme, a phosphate buffer solution and the carbon nano tube, the lysozyme can be used as a dispersion medium, the lysozyme and the carbon nano tube are subjected to non-covalent interaction, so that the lysozyme is adsorbed on the surface of the carbon nano tube, the dispersity of the carbon nano tube is improved, and meanwhile, in the subsequent ink preparation process, the modified polyurethane molecular chain can destroy the non-covalent interaction between the lysozyme and the carbon nano tube and form a new homogeneous system, so that the overall stability and the dispersity of the printing ink are improved; the modified carbon nano tube is uniformly dispersed in an ink system as a pigment, so that the uniform coloring effect of the ink can be effectively improved.
The modified polyurethane is prepared by reacting polypropylene glycol, trimethylolpropane monooleate, dimethylolpropionic acid, toluene diisocyanate and 1, 4-butanediol, wherein the trimethylolpropane monooleate is introduced during preparation, the component can participate in polyurethane reaction, and a long fatty chain is introduced onto a side chain of a polyurethane molecule, so that the surface tension of the modified polyurethane is reduced, the wetting effect of the polyurethane on the surface of a printing stock is improved, and the surface adhesive force between printing ink and the printing stock is further improved.
The waterborne polyurethane printing ink prepared by the scheme has excellent stability, dispersibility and surface coloring uniformity, and has excellent adhesive force with a printing stock after the printing of the printing ink is finished, so that the actual printing effect is excellent.
Based on the research and development of the waterborne polyurethane printing ink, the application also discloses a printing process for printing by using the waterborne polyurethane printing ink, in the actual printing process, because the surface ductility of the polyethylene film is larger and the surface tension is poor, the adhesive force of the printing ink is poorer in the actual printing process, the coloring effect is unsatisfactory, therefore, when the surface of the polyethylene base film is printed, the printing surface (upper surface) is firstly subjected to corona treatment, improves the surface wettability and the roughness simultaneously so as to ensure the adhesive force between the printing ink and the polyethylene base film, then the surface of the polyethylene base film is grafted with mercaptopropyltriethoxysilane, and at the moment, mercaptan is grafted on the surface of the polyethylene base film, the polyurethane printing ink contains a large amount of lysozyme which can be adsorbed with thiol groups so as to further improve the adhesive force between the ink and the polyethylene base film.
After the printing ink is printed, the polyurethane varnish is prepared through substances such as toluene diisocyanate, polyether polyol, ethylene glycol, dimethylolpropionic acid, N-methylpyrrolidone and the like, is similar to components of the polyurethane varnish, has excellent interface compatibility between the two substances, can be adhered to and protects an ink layer, and can generate a thiol-ene click chemical reaction with thiol groups on the surface of a polyethylene base film under the action of a photoinitiator in the subsequent irradiation process because the varnish and the polyurethane printing ink both contain C ═ C double bonds.
The application discloses waterborne polyurethane printing ink and printing technology thereof, the polyethylene printed matter prepared through the printing technology disclosed in the application has higher glossiness and hardness, water resistance and good flexibility, and the glazing oil can protect the printing layer on the surface of the printed matter so as to improve the service life of the printed matter, and the printed finished product has excellent uniform coloring effect, the surface adhesion force of the printing ink and the polyethylene substrate is high, the printing adaptability is higher, and the effect is better.
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. 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 printing process based on waterborne polyurethane printing ink specifically comprises the following steps:
(1) taking a polyethylene base film, sequentially cleaning the polyethylene base film by using acetone, absolute ethyl alcohol and deionized water, drying in vacuum, performing corona treatment on the upper surface of the polyethylene base film, wherein the corona strength is 38mN/m, and cleaning and drying to obtain a pretreated base film;
(2) mixing and stirring mercaptopropyltriethoxysilane, absolute ethyl alcohol and deionized water for 10min, adjusting the pH to 3, continuously stirring for 30min at 25 ℃, adding the pretreated base membrane, soaking for 3min at constant temperature, and drying and curing for 2min at 110 ℃ to obtain a modified base membrane;
(3) mixing lysozyme and phosphate buffer solution, stirring for 10min, adding carbon nanotube, ultrasonic dispersing for 20min, oscillating at constant temperature of 35 deg.C for 3h, centrifuging, collecting precipitate, and drying at 60 deg.C for 24h to obtain modified carbon nanotube;
mixing and stirring polypropylene glycol, trimethylolpropane monooleate, dimethylolpropionic acid and N-methyl pyrrolidone for 30min at 65 ℃, adding toluene diisocyanate and 1, 4-butanediol, carrying out heat preservation reaction for 3h, reducing the viscosity of acetone, neutralizing by triethylamine, adding deionized water and ethylenediamine, and continuously reacting for 30min to obtain modified polyurethane;
taking modified polyurethane and modified carbon nanotubes, ultrasonically dispersing for 5min, adding a wetting agent and deionized water, mixing and stirring for 20min at 30 ℃, then adding a defoaming agent, a leveling agent and a dispersing agent, and stirring for 20min to obtain printing ink;
printing ink on the upper surface of the modified base film to form a printing ink layer;
(4) mixing and stirring toluene diisocyanate and polyether polyol for 10min, reacting at 75 ℃ for 1.2h, adding ethylene glycol, dimethylolpropionic acid and N-methylpyrrolidone, continuing to react for 3h, adding hydroxyethyl methacrylate, hydroquinone and triethylamine for neutralization at 62 ℃, adding deionized water, and performing ultrasonic dispersion for 20min to obtain a material A;
uniformly mixing the material A, the photoinitiator, the flatting agent and the defoaming agent, and standing for defoaming to obtain the gloss oil; and coating gloss oil on the upper surface of the printing ink layer, and performing UV photocuring for 1h to form a protective layer, thus obtaining a finished product.
In this embodiment, the printing ink comprises the following raw materials: by weight, 8 parts of modified carbon nano tube, 50 parts of modified polyurethane, 2 parts of wetting agent, 10 parts of deionized water, 1 part of defoaming agent, 1 part of flatting agent and 2 parts of dispersing agent.
The photoinitiator is 2-hydroxy-2-methyl-1-phenyl acetone; the defoaming agent is emulsified silicone oil; the wetting agent is a polyacrylate.
Example 2:
a printing process based on waterborne polyurethane printing ink specifically comprises the following steps:
(1) taking a polyethylene base film, sequentially cleaning the polyethylene base film by using acetone, absolute ethyl alcohol and deionized water, drying in vacuum, performing corona treatment on the upper surface of the polyethylene base film, wherein the corona strength is 39mN/m, and cleaning and drying to obtain a pretreated base film;
(2) mixing and stirring mercaptopropyltriethoxysilane, absolute ethyl alcohol and deionized water for 15min, adjusting the pH to 3, continuously stirring for 25min at 26 ℃, adding the pretreated base membrane, soaking at constant temperature for 3.5min, and drying and curing at 115 ℃ for 1.5min to obtain a modified base membrane;
(3) mixing lysozyme and phosphate buffer solution, stirring for 12min, adding carbon nanotube, ultrasonic dispersing for 25min, oscillating at constant temperature of 38 deg.C for 2.5h, centrifuging, collecting precipitate, and drying at 62 deg.C for 22h to obtain modified carbon nanotube;
mixing and stirring polypropylene glycol, trimethylolpropane monooleate, dimethylolpropionic acid and N-methyl pyrrolidone for 25min at 68 ℃, adding toluene diisocyanate and 1, 4-butanediol, carrying out heat preservation reaction for 3.5h, reducing the viscosity by acetone, neutralizing by triethylamine, adding deionized water and ethylenediamine, and continuously reacting for 35min to obtain modified polyurethane;
taking modified polyurethane and modified carbon nanotubes, ultrasonically dispersing for 7min, adding a wetting agent and deionized water, mixing and stirring for 15min at 35 ℃, then adding a defoaming agent, a leveling agent and a dispersing agent, and stirring for 25min to obtain printing ink;
printing ink on the upper surface of the modified base film to form a printing ink layer;
(4) mixing and stirring toluene diisocyanate and polyether polyol for 12min, reacting at 78 ℃ for 1.1h, adding ethylene glycol, dimethylolpropionic acid and N-methylpyrrolidone, continuing to react for 3.5h, adding hydroxyethyl methacrylate, hydroquinone and triethylamine at 63 ℃ for neutralization, adding deionized water, and performing ultrasonic dispersion for 25min to obtain a material A;
uniformly mixing the material A, the photoinitiator, the flatting agent and the defoaming agent, and standing for defoaming to obtain the gloss oil; and coating gloss oil on the upper surface of the printing ink layer, and performing UV photocuring for 1.2h to form a protective layer, thus obtaining a finished product.
In this embodiment, the printing ink comprises the following raw materials: 9 parts of modified carbon nano tube, 55 parts of modified polyurethane, 2.5 parts of wetting agent, 12 parts of deionized water, 1.5 parts of defoaming agent, 1.5 parts of flatting agent and 3 parts of dispersing agent.
The photoinitiator is 2-hydroxy-2-methyl-1-phenyl acetone; the defoaming agent is emulsified silicone oil; the wetting agent is a polyacrylate.
Example 3:
a printing process based on waterborne polyurethane printing ink specifically comprises the following steps:
(1) taking a polyethylene base film, sequentially cleaning the polyethylene base film by using acetone, absolute ethyl alcohol and deionized water, drying in vacuum, performing corona treatment on the upper surface of the polyethylene base film, wherein the corona strength is 40mN/m, and cleaning and drying to obtain a pretreated base film;
(2) mixing and stirring mercaptopropyltriethoxysilane, absolute ethyl alcohol and deionized water for 20min, adjusting the pH to 4, continuing stirring for 20min at 28 ℃, adding the pretreated base membrane, soaking at constant temperature for 4min, and drying and curing at 120 ℃ for 1min to obtain a modified base membrane;
(3) mixing lysozyme and phosphate buffer solution, stirring for 15min, adding carbon nanotube, ultrasonically dispersing for 30min, oscillating at constant temperature of 40 deg.C for 2h, centrifuging, collecting precipitate, and drying at 65 deg.C for 20h to obtain modified carbon nanotube;
mixing and stirring polypropylene glycol, trimethylolpropane monooleate, dimethylolpropionic acid and N-methyl pyrrolidone for 20min at 70 ℃, adding toluene diisocyanate and 1, 4-butanediol, carrying out heat preservation reaction for 4h, reducing the viscosity of acetone, neutralizing by triethylamine, adding deionized water and ethylenediamine, and continuously reacting for 40min to obtain modified polyurethane;
taking modified polyurethane and modified carbon nanotubes, ultrasonically dispersing for 8min, adding a wetting agent and deionized water, mixing and stirring for 10min at 40 ℃, then adding a defoaming agent, a leveling agent and a dispersing agent, and stirring for 30min to obtain printing ink;
printing ink on the upper surface of the modified base film to form a printing ink layer;
(4) mixing and stirring toluene diisocyanate and polyether polyol for 15min, reacting at 80 ℃ for 1h, adding ethylene glycol, dimethylolpropionic acid and N-methylpyrrolidone, continuing to react for 4h, adding hydroxyethyl methacrylate, hydroquinone and triethylamine for neutralization at 65 ℃, adding deionized water, and performing ultrasonic dispersion for 30min to obtain a material A;
uniformly mixing the material A, the photoinitiator, the flatting agent and the defoaming agent, and standing for defoaming to obtain the gloss oil; and coating gloss oil on the upper surface of the printing ink layer, and performing UV photocuring for 1.5h to form a protective layer, thus obtaining a finished product.
In this embodiment, the printing ink comprises the following raw materials: 10 parts of modified carbon nano tube, 60 parts of modified polyurethane, 3 parts of wetting agent, 15 parts of deionized water, 2 parts of defoaming agent, 2 parts of flatting agent and 4 parts of dispersing agent.
The photoinitiator is 2-hydroxy-2-methyl-1-phenyl acetone; the defoaming agent is emulsified silicone oil; the wetting agent is a polyacrylate.
Comparative example 1:
a printing process based on waterborne polyurethane printing ink specifically comprises the following steps:
(1) taking a polyethylene base film, sequentially cleaning the polyethylene base film by using acetone, absolute ethyl alcohol and deionized water, drying in vacuum, performing corona treatment on the upper surface of the polyethylene base film, wherein the corona strength is 39mN/m, and cleaning and drying to obtain a pretreated base film;
(2) mixing and stirring mercaptopropyltriethoxysilane, absolute ethyl alcohol and deionized water for 15min, adjusting the pH to 3, continuously stirring for 25min at 26 ℃, adding the pretreated base membrane, soaking at constant temperature for 3.5min, and drying and curing at 115 ℃ for 1.5min to obtain a modified base membrane;
(3) mixing lysozyme and phosphate buffer solution, stirring for 12min, adding carbon nanotube, ultrasonic dispersing for 25min, oscillating at constant temperature of 38 deg.C for 2.5h, centrifuging, collecting precipitate, and drying at 62 deg.C for 22h to obtain modified carbon nanotube;
mixing and stirring polypropylene glycol, trimethylolpropane monooleate, dimethylolpropionic acid and N-methyl pyrrolidone for 25min at 68 ℃, adding toluene diisocyanate and 1, 4-butanediol, carrying out heat preservation reaction for 3.5h, reducing the viscosity by acetone, neutralizing by triethylamine, adding deionized water and ethylenediamine, and continuously reacting for 35min to obtain modified polyurethane;
taking modified polyurethane and modified carbon nanotubes, ultrasonically dispersing for 7min, adding a wetting agent and deionized water, mixing and stirring for 15min at 35 ℃, then adding a defoaming agent, a leveling agent and a dispersing agent, and stirring for 25min to obtain printing ink;
printing ink on the upper surface of the modified base film to form a printing ink layer;
(4) mixing and stirring toluene diisocyanate and polyether polyol for 12min, reacting at 78 ℃ for 1.1h, adding ethylene glycol, dimethylolpropionic acid and N-methylpyrrolidone, continuing to react for 3.5h, adding hydroxyethyl methacrylate, hydroquinone and triethylamine at 63 ℃ for neutralization, adding deionized water, and performing ultrasonic dispersion for 25min to obtain a material A;
uniformly mixing the material A, the flatting agent and the defoaming agent, and standing for defoaming to obtain the gloss oil; and coating gloss oil on the upper surface of the printing ink layer, drying and curing to obtain a finished product.
In this embodiment, the printing ink comprises the following raw materials: 9 parts of modified carbon nano tube, 55 parts of modified polyurethane, 2.5 parts of wetting agent, 12 parts of deionized water, 1.5 parts of defoaming agent, 1.5 parts of flatting agent and 3 parts of dispersing agent.
The defoaming agent is emulsified silicone oil; the wetting agent is a polyacrylate.
Comparative example 1 was modified from example 2, in comparative example 1 no UV light curing was carried out, and the remaining process parameters and component contents were identical to those of example 2.
Comparative example 2:
a printing process based on waterborne polyurethane printing ink specifically comprises the following steps:
(1) taking a polyethylene base film, sequentially cleaning the polyethylene base film by using acetone, absolute ethyl alcohol and deionized water, drying in vacuum, performing corona treatment on the upper surface of the polyethylene base film, wherein the corona strength is 39mN/m, and cleaning and drying to obtain a pretreated base film;
(2) mixing and stirring mercaptopropyltriethoxysilane, absolute ethyl alcohol and deionized water for 15min, adjusting the pH to 3, continuously stirring for 25min at 26 ℃, adding the pretreated base membrane, soaking at constant temperature for 3.5min, and drying and curing at 115 ℃ for 1.5min to obtain a modified base membrane;
(3) mixing lysozyme and phosphate buffer solution, stirring for 12min, adding carbon nanotube, ultrasonic dispersing for 25min, oscillating at constant temperature of 38 deg.C for 2.5h, centrifuging, collecting precipitate, and drying at 62 deg.C for 22h to obtain modified carbon nanotube;
mixing and stirring polypropylene glycol, trimethylolpropane monooleate, dimethylolpropionic acid and N-methyl pyrrolidone for 25min at 68 ℃, adding toluene diisocyanate and 1, 4-butanediol, carrying out heat preservation reaction for 3.5h, reducing the viscosity by acetone, neutralizing by triethylamine, adding deionized water and ethylenediamine, and continuously reacting for 35min to obtain modified polyurethane;
taking modified polyurethane and modified carbon nanotubes, ultrasonically dispersing for 7min, adding a wetting agent and deionized water, mixing and stirring for 15min at 35 ℃, then adding a defoaming agent, a leveling agent and a dispersing agent, and stirring for 25min to obtain printing ink;
and (4) printing the printing ink on the upper surface of the modified base film to form a printing ink layer, thus obtaining a finished product.
In this embodiment, the printing ink comprises the following raw materials: 9 parts of modified carbon nano tube, 55 parts of modified polyurethane, 2.5 parts of wetting agent, 12 parts of deionized water, 1.5 parts of defoaming agent, 1.5 parts of flatting agent and 3 parts of dispersing agent.
The defoaming agent is emulsified silicone oil; the wetting agent is a polyacrylate.
Comparative example 2 was modified from example 2, and comparative example 2 was not coated with a varnish, and the remaining process parameters and component levels were consistent with example 2.
Comparative example 3:
a printing process based on waterborne polyurethane printing ink specifically comprises the following steps:
(1) taking a polyethylene base film, sequentially cleaning the polyethylene base film by using acetone, absolute ethyl alcohol and deionized water, drying in vacuum, performing corona treatment on the upper surface of the polyethylene base film, wherein the corona strength is 39mN/m, and cleaning and drying to obtain a pretreated base film;
(2) mixing lysozyme and phosphate buffer solution, stirring for 12min, adding carbon nanotube, ultrasonic dispersing for 25min, oscillating at constant temperature of 38 deg.C for 2.5h, centrifuging, collecting precipitate, and drying at 62 deg.C for 22h to obtain modified carbon nanotube;
mixing and stirring polypropylene glycol, trimethylolpropane monooleate, dimethylolpropionic acid and N-methyl pyrrolidone for 25min at 68 ℃, adding toluene diisocyanate and 1, 4-butanediol, carrying out heat preservation reaction for 3.5h, reducing the viscosity by acetone, neutralizing by triethylamine, adding deionized water and ethylenediamine, and continuously reacting for 35min to obtain modified polyurethane;
taking modified polyurethane and modified carbon nanotubes, ultrasonically dispersing for 7min, adding a wetting agent and deionized water, mixing and stirring for 15min at 35 ℃, then adding a defoaming agent, a leveling agent and a dispersing agent, and stirring for 25min to obtain printing ink;
printing ink on the upper surface of the pretreated base film to form a printing ink layer;
(3) mixing and stirring toluene diisocyanate and polyether polyol for 12min, reacting at 78 ℃ for 1.1h, adding ethylene glycol, dimethylolpropionic acid and N-methylpyrrolidone, continuing to react for 3.5h, adding hydroxyethyl methacrylate, hydroquinone and triethylamine at 63 ℃ for neutralization, adding deionized water, and performing ultrasonic dispersion for 25min to obtain a material A;
uniformly mixing the material A, the photoinitiator, the flatting agent and the defoaming agent, and standing for defoaming to obtain the gloss oil; and coating gloss oil on the upper surface of the printing ink layer, and performing UV photocuring for 1.2h to form a protective layer, thus obtaining a finished product.
In this embodiment, the printing ink comprises the following raw materials: 9 parts of modified carbon nano tube, 55 parts of modified polyurethane, 2.5 parts of wetting agent, 12 parts of deionized water, 1.5 parts of defoaming agent, 1.5 parts of flatting agent and 3 parts of dispersing agent.
The photoinitiator is 2-hydroxy-2-methyl-1-phenyl acetone; the defoaming agent is emulsified silicone oil; the wetting agent is a polyacrylate.
Comparative example 3 is an improvement over example 2, in comparative example 3, the step of grafting thiol on the surface of the polyvinyl film is not carried out, and the parameters and the component content of the rest steps are consistent with those of example 2.
And (3) detection test:
1. samples prepared in examples 1 to 3 and comparative examples 1 to 3 were taken, respectively baked at 50 ℃ for 48 hours, cooled to room temperature and cut into 200mm × 15mm, and then the T-peel strength was measured by a tensile tester at a tensile rate of 300mm/min for 3 times, and the average value was taken.
2. Ink dropping condition: and wrapping a 400g weight with cotton cloth, adhering absolute alcohol with the purity of 99.8%, wiping the printed ink pattern back and forth 60 times (one back and forth is one time), and observing the ink falling condition on the surface of the sample after wiping.
3. Samples prepared in examples 1-3 and comparative examples 1-3 are respectively placed in deionized water at 24 ℃ for soaking for 72 hours at constant temperature, and the samples are taken out for observing the water resistance.
4. Observing the sample prepared in the example 2, the printing of the ink on the surface of the polyethylene base film is uniform in coloring, high in definition and excellent in printing effect.
And (4) conclusion: the application discloses waterborne polyurethane printing ink and a printing process thereof, and a polyethylene printed matter prepared by the printing process disclosed by the application has high glossiness and hardness, good water resistance and flexibility, high surface adhesion of the printing ink and a polyethylene substrate, higher printing adaptability and better effect.
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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An aqueous polyurethane printing ink, which is characterized in that: the preparation method of the printing ink specifically comprises the following steps:
A. mixing lysozyme and phosphate buffer solution, stirring, adding carbon nano tube, oscillating at constant temperature of 35-40 deg.C for 2-3h, centrifuging, collecting precipitate, and drying to obtain modified carbon nano tube;
B. mixing and stirring polypropylene glycol, trimethylolpropane monooleate, dimethylolpropionic acid and N-methyl pyrrolidone at 65-70 ℃, adding toluene diisocyanate and 1, 4-butanediol, carrying out heat preservation reaction, reducing the viscosity of acetone, adding triethylamine, deionized water and ethylenediamine, and reacting to obtain modified polyurethane;
C. and mixing and stirring modified polyurethane, the modified carbon nano tube, the wetting agent, deionized water, the defoaming agent, the leveling agent and the dispersing agent to obtain the printing ink.
2. The aqueous polyurethane printing ink of claim 1, wherein: the preparation method of the printing ink specifically comprises the following steps:
A. mixing lysozyme and phosphate buffer solution, stirring for 10-15min, adding carbon nanotube, ultrasonic dispersing for 20-30min, oscillating at constant temperature of 35-40 deg.C for 2-3h, centrifuging, collecting precipitate, and drying at 60-65 deg.C for 20-24h to obtain modified carbon nanotube;
B. mixing and stirring polypropylene glycol, trimethylolpropane monooleate, dimethylolpropionic acid and N-methyl pyrrolidone at 65-70 ℃ for 20-30min, adding toluene diisocyanate and 1, 4-butanediol, reacting for 3-4h under heat preservation, reducing viscosity by acetone, neutralizing by triethylamine, adding deionized water and ethylenediamine, and continuously reacting for 30-40min to obtain modified polyurethane;
C. taking modified polyurethane and modified carbon nanotubes, carrying out ultrasonic dispersion for 5-8min, adding a wetting agent and deionized water, mixing and stirring at 30-40 ℃ for 10-20min, then adding a defoaming agent, a leveling agent and a dispersing agent, and stirring for 20-30min to obtain the printing ink.
3. The aqueous polyurethane printing ink of claim 2, wherein: the printing ink comprises the following raw materials: 8-10 parts of modified carbon nano tube, 50-60 parts of modified polyurethane, 2-3 parts of wetting agent, 10-15 parts of deionized water, 1-2 parts of defoaming agent, 1-2 parts of flatting agent and 2-4 parts of dispersing agent.
4. The aqueous polyurethane printing ink of claim 3, wherein: the defoaming agent is emulsified silicone oil.
5. The aqueous polyurethane printing ink of claim 3, wherein: the wetting agent is polyacrylate.
6. A printing process of an aqueous polyurethane printing ink prepared according to any one of claims 1 to 5, characterized in that: the method specifically comprises the following steps:
1) taking a polyethylene base film, carrying out corona treatment on the upper surface of the polyethylene base film, cleaning and drying to obtain a pretreated base film;
2) mixing and stirring mercaptopropyltriethoxysilane, absolute ethyl alcohol and deionized water, adjusting pH, adding the pretreated base membrane, soaking at constant temperature for 3-4min, drying and curing to obtain a modified base membrane;
3) printing ink on the upper surface of the modified base film to form a printing ink layer;
4) and coating gloss oil on the upper surface of the printing ink layer, and performing UV photocuring to form a protective layer, thus obtaining the finished product.
7. The printing process of the waterborne polyurethane printing ink as claimed in claim 6, wherein: the method specifically comprises the following steps:
1) taking a polyethylene base film, sequentially cleaning the polyethylene base film by using acetone, absolute ethyl alcohol and deionized water, drying in vacuum, performing corona treatment on the upper surface of the polyethylene base film, wherein the corona strength is 38-40mN/m, and cleaning and drying to obtain a pretreated base film;
2) mixing and stirring mercaptopropyltriethoxysilane, absolute ethyl alcohol and deionized water for 10-20min, adjusting the pH to 3-4, continuing stirring for 20-30min at 25-28 ℃, then adding the pretreated base membrane, soaking at constant temperature for 3-4min, and drying and curing at 110-120 ℃ for 1-2min to obtain a modified base membrane;
3) printing ink on the upper surface of the modified base film to form a printing ink layer;
4) and coating gloss oil on the upper surface of the printing ink layer, and performing UV photocuring to form a protective layer, thus obtaining the finished product.
8. The printing process of the waterborne polyurethane printing ink as claimed in claim 7, wherein: in the step 4), the glazing oil preparation steps are as follows:
mixing and stirring toluene diisocyanate and polyether polyol for 10-15min, reacting for 1-1.2h at 75-80 ℃, adding ethylene glycol, dimethylolpropionic acid and N-methylpyrrolidone, continuing to react for 3-4h, adding hydroxyethyl methacrylate, hydroquinone and triethylamine for neutralization at 62-65 ℃, adding deionized water, and performing ultrasonic dispersion for 20-30min to obtain a material A;
and (3) taking the material A, the photoinitiator, the flatting agent and the defoaming agent, mixing uniformly, standing and defoaming to obtain the glazing oil.
9. The printing process of the waterborne polyurethane printing ink as claimed in claim 7, wherein: in the step 4), the UV light curing time is 1-1.5 h.
10. The printing process of the waterborne polyurethane printing ink as claimed in claim 8, wherein: the photoinitiator is 2-hydroxy-2-methyl-1-phenyl acetone.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113459694A (en) * | 2021-08-02 | 2021-10-01 | 常州卡顿包装科技有限公司 | Waterproof printing process for paper printed matter |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102633975A (en) * | 2012-04-10 | 2012-08-15 | 嘉兴市罗星化工有限公司 | Epoxidized soybean oil based modified waterborne polyurethane gloss oil and preparation method thereof |
| CN104371420A (en) * | 2014-10-30 | 2015-02-25 | 佛山市天元汇邦装饰材料有限公司 | Waterborne ink and preparation method thereof as well as application of waterborne ink in PP (Polypropylene) decorative film |
| KR20150078458A (en) * | 2013-12-30 | 2015-07-08 | 현대자동차주식회사 | Electromagnetic Interference Shielding Composition, Method of Preparing Electromagnetic Interference Shielding Composite, And Electromagnetic Interference Shielding Composite Prepared Using Same |
| CN105860661A (en) * | 2016-05-06 | 2016-08-17 | 安徽雅美油墨有限公司 | Modified waterborne polyurethane ink for metal printing and preparation method thereof |
| CN106833116A (en) * | 2017-03-06 | 2017-06-13 | 宁波瑞联特油墨有限公司 | A kind of aqueous polyurethane printing-ink and its preparation technology |
| EP3441410A1 (en) * | 2017-08-07 | 2019-02-13 | RAMPF Holding GmbH & Co. KG | Polyurethane system and its use in printing technology |
| CN109705304A (en) * | 2018-08-03 | 2019-05-03 | 旭川化学（苏州）有限公司 | A kind of preparation method of aqueous intaglio printing ink polyurethane binder |
-
2020
- 2020-11-16 CN CN202011277990.5A patent/CN112391082B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102633975A (en) * | 2012-04-10 | 2012-08-15 | 嘉兴市罗星化工有限公司 | Epoxidized soybean oil based modified waterborne polyurethane gloss oil and preparation method thereof |
| KR20150078458A (en) * | 2013-12-30 | 2015-07-08 | 현대자동차주식회사 | Electromagnetic Interference Shielding Composition, Method of Preparing Electromagnetic Interference Shielding Composite, And Electromagnetic Interference Shielding Composite Prepared Using Same |
| CN104371420A (en) * | 2014-10-30 | 2015-02-25 | 佛山市天元汇邦装饰材料有限公司 | Waterborne ink and preparation method thereof as well as application of waterborne ink in PP (Polypropylene) decorative film |
| CN105860661A (en) * | 2016-05-06 | 2016-08-17 | 安徽雅美油墨有限公司 | Modified waterborne polyurethane ink for metal printing and preparation method thereof |
| CN106833116A (en) * | 2017-03-06 | 2017-06-13 | 宁波瑞联特油墨有限公司 | A kind of aqueous polyurethane printing-ink and its preparation technology |
| EP3441410A1 (en) * | 2017-08-07 | 2019-02-13 | RAMPF Holding GmbH & Co. KG | Polyurethane system and its use in printing technology |
| CN109705304A (en) * | 2018-08-03 | 2019-05-03 | 旭川化学（苏州）有限公司 | A kind of preparation method of aqueous intaglio printing ink polyurethane binder |
Non-Patent Citations (2)
| Title |
|---|
| 周星: "水性聚氨酯基碳纳米管导电油墨的制备与性能研究", 《中国优秀博士学位论文全文数据库 工程科技І辑》 * |
| 董晨空等: "《塑料新型加工助剂应用技术》", 30 June 1999 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113459694A (en) * | 2021-08-02 | 2021-10-01 | 常州卡顿包装科技有限公司 | Waterproof printing process for paper printed matter |
| CN113459694B (en) * | 2021-08-02 | 2022-01-28 | 常州卡顿包装科技有限公司 | Waterproof printing process for paper printed matter |
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