CN111349359A - Ultraviolet-cured silk-screen printing metal ink and preparation method thereof - Google Patents
Ultraviolet-cured silk-screen printing metal ink and preparation method thereof Download PDFInfo
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- CN111349359A CN111349359A CN202010068679.3A CN202010068679A CN111349359A CN 111349359 A CN111349359 A CN 111349359A CN 202010068679 A CN202010068679 A CN 202010068679A CN 111349359 A CN111349359 A CN 111349359A
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- reactive diluent
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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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/037—Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
-
- 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
Abstract
The invention belongs to the field of application of ultraviolet curing coatings and printing ink, and particularly relates to ultraviolet curing screen printing metal printing ink and a preparation method thereof. In order to solve the problems, the invention provides a curing method of ultraviolet curing villus paint (paint or ink) and villus paint coating (or ink layer) in the fields of woodware, metal, fiber, leather, plastic, glass, ceramic and the like. The preparation method of the ultraviolet curing villus paint (coating/ink) has the advantages of simple process and short preparation time, and is suitable for large-scale popularization.
Description
Technical Field
The invention belongs to the field of application of ultraviolet curing printing ink, and particularly relates to ultraviolet curing screen printing metal printing ink as well as a preparation method and application thereof.
Background
The traditional coating and printing methods of infrared thermal curing mode have faced challenges, and the problems of long curing time, large use of organic solvents in formula products, high energy consumption and the like make it difficult for a plurality of manufacturers to improve the added value of products, expand the application range of coating and printing, and the use of a considerable part of base materials, such as paper, plastics and the like, is limited by the higher curing temperature. People urgently need a brand-new curing scheme which meets the environmental protection requirement under the new situation, and the ultraviolet curing scheme is produced. The industrial UV wavelength is from 200nm to 410nm, and the Process of hardening a UV-curable material by irradiating it with ultraviolet light (UV) is called "UV Curing Process".
Ultraviolet (UV) curable ink refers to ink that is dried to form a film by polymerizing monomers in the ink vehicle into polymers using UV light of different wavelengths and energies under UV irradiation. The UV curing ink can print any image on tinplate, crystal, glass, acrylic, metal, ceramic and canvas, and can realize personalized printing as required, and is used for carrying articles to show the personality of a user, such as a mobile phone shell, a cosmetic mirror, a lighter, a wallet and the like.
At present, the UV curing ink realizes the industrial application of screen printing ink, UV curing offset printing ink and UV curing flexo printing ink, and the trial production work of the UV curing gravure ink is in process of being in a tight and compact way. However, no mature industrial product is available in the conventional ink varieties for the metallic effect pigment ink with special effects, and the main reason is that the metallic effect pigment and slightly acidic components in the UV curing product are subjected to corrosive chemical reaction, so that the storage stability of the ink is influenced, and particularly in the application of the UV screen printing ink field, the problem is more serious, the normal-temperature storage time is not more than 3 months, and the production and use of a printing factory are seriously influenced.
Disclosure of Invention
In order to solve the problems, the invention provides a high-stability UV-curing screen printing metal ink which comprises the following components in parts by weight: 5-20 parts of metal effect pigment slurry, 15-80 parts of polyurethane acrylate resin, 10-70 parts of reactive diluent, 5-10 parts of photoinitiator and 2-4 parts of auxiliary agent.
The metallic effect pigment slurry comprises the following components in parts by weight: 25-40 parts of metal effect pigment (aluminum/copper), 10-20 parts of polyurethane acrylate resin, 20-40 parts of reactive diluent and 5-15 parts of dispersing agent.
The metal effect pigment slurry can adopt a finished product slurry which is sold in the market and has 75 percent of solid content and the average grain diameter of the metal effect pigment is between 3 and 50 mu m.
The urethane acrylate resin is at least one of commercially available (trade name) Power Dream 2002, Power Dream 2022, Power Dream 2031, Power Dream 2665, Power Dream2668D, and Power Dream LED-UV 6;
wherein, Power Dream 2002 and Power Dream 2022 are bifunctional aliphatic urethane acrylate resins, Power Dream 2031 is trifunctional modified urethane acrylate resin, Power Dream LED-UV6 is tetrafunctional aliphatic urethane acrylate resin, and Power Dream 2665, Power Dream2668 and Power Dream2668D are pentafunctional aliphatic urethane acrylate resins.
The reactive diluent comprises a first reactive diluent and a second reactive diluent, and the ratio of the first reactive diluent to the second reactive diluent is 2-3: 1 in parts by mass
Wherein the first reactive diluent is an ethoxy-containing reactive diluent and comprises at least one of ethoxylated trimethylolpropane triacrylate and ethoxylated pentaerythritol tetraacrylate;
the second reactive diluent is a common acrylate reactive diluent and comprises at least one of isobornyl acrylate, isobornyl methacrylate, hydroxyethyl acrylate, hydroxyethyl methacrylate, 1, 6-hexanediol diacrylate, tripropylene glycol diacrylate, dipropylene glycol diacrylate, trimethylolpropane triacrylate and pentaerythritol triacrylate.
The photoinitiator is at least one of 1173 photoinitiator, 184 photoinitiator, 907 photoinitiator, TPO-L photoinitiator, thioxanthone photosensitizer (photoinitiator) and 4- (dimethylamino) -benzoate compound or composition of the photoinitiator and acrylic acid esterification active amine, and at least one of benzophenone photosensitizer (photoinitiator) and composition of the acrylic acid esterification active amine, wherein the main component of the 1173 photoinitiator is 2-hydroxy-2-methyl-1-phenyl-1-acetone, the main component of the 184 photoinitiator is 1-hydroxy-cyclohexyl benzophenone, the main component of the 907 photoinitiator is 2-methyl-1- (4-methylthiophenyl) -2-morpholinyl-1-acetone, TPO photoinitiator mainly comprises 2,4, 6-trimethylbenzoyl-diphenylphosphine oxide, TPO-L photoinitiator mainly comprises 2,4, 6-trimethylbenzoyl phenylphosphine ethyl ester, 819 photoinitiator mainly comprises phenyl bis (2,4, 6-trimethylbenzoyl) phosphine oxide, ITX photoinitiator mainly comprises 2-isopropyl thioxanthone, DETX photoinitiator mainly comprises 2, 4-diethylthioxanthone, CTX photoinitiator mainly comprises 2.4 dichlorothioxanthone, RTX photoinitiator mainly comprises 2.4 dimethylthioxanthone, EDB (EDAB/EPD) mainly comprises ethyl 4-dimethylaminobenzoate, BEA mainly comprises 2- (n-butoxy) ethyl 4-dimethylaminobenzoate, EHA (ODAB) mainly comprises 4- (dimethylamino) -benzoic acid- (2-ethyl) hexyl ester, and amyl 4-dimethylaminobenzoate.
The auxiliary agent comprises a defoaming agent, a flatting agent and a polymerization inhibitor,
the defoaming agent is at least one of commercial (trade name) BYK-055, BYK-088, BYK-020, BYK-067A and Hamming 6800 defoaming agents;
wherein, BYK-055 mainly comprises a non-silicon polymer solution, BYK-088 mainly comprises a polysiloxane solution, BYK-020 mainly comprises a polyether modified dimethyl polysiloxane copolymer solution, BYK-067A mainly comprises a foam breaking polysiloxane non-aqueous emulsion, and Hamins 6800 mainly comprises a polyether modified dimethyl polysiloxane copolymer solution.
The flatting agent is at least one of BYK-333, BYK-371, BYK-373, BYK-361N and Digao 432 which are commercially available (trade name);
wherein, BYK-333 is mainly composed of polyether modified polydimethylsiloxane, BYK-371 is mainly composed of acrylic polyester modified polysiloxane solution, BYK-373 is mainly composed of polyether modified hydroxyl-containing polysiloxane solution, BYK-361N is mainly composed of polyacrylate, and Digao 432 is mainly composed of polyether modified polydimethylsiloxane.
The polymerization inhibitor is at least one of hydroquinone, p-hydroxyanisole, 2-tert-butylhydroquinone, 2, 5-di-tert-butylhydroquinone and tri (N-nitroso-N-phenylhydroxylamine) aluminum salt.
Preferably, the composition comprises the following components in parts by weight: 5-15 parts of metal effect pigment slurry, 15-20 parts of polyurethane acrylate resin, 60-70 parts of reactive diluent, 6-7 parts of photoinitiator and 3-4 parts of auxiliary agent.
Further preferably, the composition comprises the following components in parts by weight: 7 parts of metallic effect pigment paste, 20 parts of polyurethane acrylate resin, 63 parts of reactive diluent, 6 parts of photoinitiator and 4 parts of auxiliary agent.
The ultraviolet curing screen printing metal ink has the following advantages:
(1) according to the invention, the UV acrylate monomer containing ethoxy is used as an active diluent, and an adhesion promoter is used in a matching manner, so that the ink layer has better adhesion.
(2) The storage stability is excellent, and the ink does not gel for more than 6 months at normal temperature.
(3) The printed pattern printed by the ink has the advantages of glittering, plump ink layer and strong contrast feeling with the colors around the pattern.
The invention also provides a preparation method of the ultraviolet curing screen printing metal ink and the metal effect pigment paste, which comprises the following steps:
1) adding polyurethane acrylate resin, a reactive diluent and a dispersing agent into a reaction kettle according to a certain proportion, and then stirring and dispersing by using a disc type stirring paddle to obtain a component A;
2) adding the metallic effect pigment into the component A according to a proportion, stirring and dispersing by using a disc type stirring paddle to obtain a component B, stirring and dispersing by using the disc type stirring paddle for 30-60 minutes, and controlling the temperature of a dispersion system at 20-40 ℃ to obtain the metallic effect pigment slurry.
3) Adding the metallic effect pigment slurry, the polyurethane acrylate resin and the reactive diluent into a reaction kettle according to a certain proportion, and then stirring and dispersing by using a disc type stirring paddle, wherein the dispersing time is 20-30 minutes, and the temperature of a dispersing system is controlled at 20-40 ℃;
4) and then adding an active diluent, a photoinitiator and an auxiliary agent in proportion, stirring and dispersing by using a disc type stirring paddle, and uniformly mixing the mixture to obtain the ultraviolet curing screen printing metal ink finished product, wherein the dispersion time is 30-60 minutes, and the temperature of a dispersion system is controlled at 20-40 ℃.
Wherein, the reaction kettle is an open tank with a certain volume and capable of stirring.
The preparation method of the ultraviolet curing screen printing metal ink has the advantages of simple process and short preparation time, is suitable for large-scale popularization, and is particularly suitable for high-grade packaging materials such as cigarette packets, wine packets and the like.
According to still another aspect of the invention, the invention also provides application of the ultraviolet curing screen printing metal ink in the fields of metal printing such as tinplate and the like, paper printing, fiber and leather printing, plastic printing, glass printing, ceramic printing and the like.
Detailed Description
In order to more clearly and fully illustrate the present invention, the following description is given of the concept of the present invention in conjunction with the detailed description thereof.
Adding polyurethane acrylate resin, reactive diluent and dispersing agent into a reaction kettle according to the proportion relation in tables 1-9, then stirring and dispersing by using a disc type stirring paddle, wherein the dispersing time is 20-30 minutes, and the temperature of a dispersing system is controlled at 20-40 ℃.
Adding an active diluent, a photoinitiator, a defoaming agent, an adhesion promoter, a polymerization inhibitor and other auxiliaries in proportion, then stirring and dispersing by using a disc type stirring paddle, wherein the rotation speed is high or low enough that the materials do not splash, and uniformly mixing the mixture to obtain the ultraviolet curing screen printing metal ink finished product, wherein the dispersion time is 30-60 minutes, and the temperature of a dispersion system is controlled at 20-40 ℃.
The polyurethane acrylate resin is purchased from Zhaoqing Baojun chemical company, the dispersing agent, the defoaming agent, the leveling agent and the adhesion promoter are purchased from Picker chemical company, the active diluent is purchased from Saduoma chemical company in America, and the photoinitiator is purchased from Tianjin Jiutai New Material company, Inc.
TABLE 1 component proportion in the examples
TABLE 2 proportioning of metallic effect pigment pastes in the examples
TABLE 3 urethane acrylate resin addition in examples
TABLE 4 reactive diluent addition in each example
TABLE 5 photoinitiator addition in the examples
TABLE 6 antifoam addition in the examples
TABLE 7 leveling agent addition in examples
TABLE 8 inhibitor addition in the examples
After the ink is prepared, the ink is coated on tinplate and glass by a film coater,
the viscosity of the above-mentioned paint or ink was measured according to the test for viscosity of liquid ink (GB/T13217.4-2008), and the measured hardness was recorded in Table 10.
The adhesion of the cured film was measured by the method of the test for scratching paint, varnish and lacquer film (GB/T9286-1998), and the measured adhesion was shown in Table 10.
The adhesion of the cured film was measured by the method in evaluation of storage stability of ultraviolet-curable coating (GB/T33327-2016), and the measured adhesion was recorded in Table 10.
TABLE 9 Performance requirements
| Detecting the index | Unit of | Parameter(s) | Remarks for note |
| Viscosity of the oil | mpas/25℃ | 1000-2000 | |
| Adhesion force | Hundred check 3 times adhesive tape stripping | 100% non-falling grid | 3M Scotch tape test, 1mm grid |
| Stability of | (25 +/-2) DEG C/180 days | No caking and gelatinization | By passing |
TABLE 10 summary of test results
Printing operation: according to different requirements of printed patterns, after preparation works such as installation of working components such as a printing table, a printing plate, a machine scraper and the like, positioning of a printing stock, trial printing operation and the like are carried out, formal printing operation is carried out;
transfer of screen-printed metal ink: under the pushing of a scraper, ultraviolet curing screen printing metal ink is transferred to a printing substrate through the through hole (the specification of the through hole of the screen is between 80 and 400 meshes, preferably 200 or 250 meshes) of the screen;
and (3) curing: after irradiation with a UV lamp, a printed pattern with a strong metallic feel is obtained.
As can be seen from Table 10, the UV curable screen printing metal ink of the present invention has the advantages of good adhesion, good storage stability, strong metallic feeling, etc.
Claims (10)
1. The ultraviolet curing screen printing metal ink is characterized by comprising the following components in parts by weight: 5-20 parts of metal effect pigment slurry, 15-80 parts of polyurethane acrylate resin, 10-70 parts of reactive diluent, 5-10 parts of photoinitiator and 2-4 parts of auxiliary agent;
the reactive diluent comprises a first reactive diluent and a second reactive diluent, the ratio of the first reactive diluent to the second reactive diluent is 2-3: 1 in parts by weight,
wherein the first reactive diluent is an ethoxy-containing reactive diluent and comprises at least one of ethoxylated trimethylolpropane triacrylate and ethoxylated pentaerythritol tetraacrylate;
the second reactive diluent is a common acrylate reactive diluent and comprises at least one of isobornyl acrylate, isobornyl methacrylate, hydroxyethyl acrylate, hydroxyethyl methacrylate, 1, 6-hexanediol diacrylate, tripropylene glycol diacrylate, dipropylene glycol diacrylate, trimethylolpropane triacrylate and pentaerythritol triacrylate;
the photoinitiator is at least one of 2-hydroxy-2-methyl-1-phenyl-1-acetone, 1-hydroxy-cyclohexyl benzophenone, 2-methyl-1- (4-methylthiophenyl) -2-morpholinyl-1-acetone, 2,4, 6-trimethylbenzoyl-diphenylphosphine oxide, 2,4, 6-trimethylbenzoyl phenylphosphonic acid ethyl ester, phenyl bis (2,4, 6-trimethylbenzoyl) phosphine oxide, a composition of a benzophenone photosensitizer and an acrylated active amine, 2-isopropyl thioxanthone, 2, 4-diethyl thioxanthone, 2, 4-dichloro thioxanthone and 2, 4-dimethyl thioxanthone and 4-dimethyl aminobenzoic acid ethyl ester, a combination of any one or more of 2- (n-butoxy) ethyl 4-dimethylaminobenzoate, 2-ethyl-hexyl 4- (dimethylamino) -benzoate, and pentyl 4-dimethylaminobenzoate;
the auxiliary agent comprises a defoaming agent, a flatting agent, an adhesion promoter and a polymerization inhibitor.
2. The uv-curable screen-printing metal ink according to claim 1, wherein the urethane acrylate resin is one or a combination of two or more of a difunctional aliphatic urethane acrylate resin, a trifunctional modified urethane acrylate resin, a tetrafunctional aliphatic urethane acrylate resin and a pentafunctional aliphatic urethane acrylate resin.
3. The uv-curable screen-printing metal ink according to claim 1, wherein the defoaming agent is at least one of a non-silicon polymer solution, a polysiloxane solution, a polyether-modified dimethylpolysiloxane copolymer solution, and a non-aqueous emulsion of a defoaming polysiloxane.
4. The ultraviolet-curable screen-printing metal ink according to claim 1, wherein the leveling agent is at least one of polyether-modified polydimethylsiloxane, acrylic polyester-modified polysiloxane solution, polyether-modified hydroxyl-containing polysiloxane solution and polyacrylate.
5. The uv-curable screen-printing metal ink according to claim 1, wherein the average particle size of the metal effect pigments in the metal effect pigment paste is in the range of 3 μm to 50 μm.
6. The uv-curable screen-printing metal ink according to claim 1, wherein the polymerization inhibitor is at least one of hydroquinone, p-hydroxyanisole, 2-t-butylhydroquinone, 2, 5-di-t-butylhydroquinone, and tris (N-nitroso-N-phenylhydroxylamine) aluminum salt.
7. The method of preparing uv curable screen printing metal ink according to claim 1, comprising the steps of:
adding the metallic effect pigment slurry and the polyurethane acrylate resin into a reaction kettle according to a proportion, then adding the active diluent, the photoinitiator, the defoamer, the flatting agent, the adhesion promoter, the polymerization inhibitor and other auxiliaries according to a proportion, then stirring and dispersing by using a disc type stirring paddle, wherein the dispersing time is 30-60 minutes, and the temperature of a dispersion system is controlled at 20-40 ℃, so as to obtain the ultraviolet curing screen printing metal ink finished product.
8. The method of claim 7, wherein the metallic effect pigment paste is prepared by:
1) adding polyurethane acrylate resin, a reactive diluent and a dispersing agent into a reaction kettle according to a certain proportion, and then stirring and dispersing by using a disc type stirring paddle to obtain a component A;
2) adding the metallic effect pigment into the component A according to a proportion, stirring and dispersing by using a disc type stirring paddle to obtain a component B, stirring and dispersing by using the disc type stirring paddle for 30-60 minutes, and controlling the temperature of a dispersion system at 20-40 ℃ to obtain the metallic effect pigment slurry.
9. Use of the uv curable screen printing metal ink of claim 1 in metal printing, paper printing, fiber and leather printing, plastic printing, glass printing and ceramic printing.
10. The use of claim 9, wherein the screen through hole size for printing is between 80 mesh and 400 mesh.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010068679.3A CN111349359A (en) | 2020-01-21 | 2020-01-21 | Ultraviolet-cured silk-screen printing metal ink and preparation method thereof |
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| CN202010068679.3A CN111349359A (en) | 2020-01-21 | 2020-01-21 | Ultraviolet-cured silk-screen printing metal ink and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112961537A (en) * | 2021-03-20 | 2021-06-15 | 中山市中益油墨涂料有限公司 | Hydrophobic UV-LED ink for glass and preparation method thereof |
| CN115637102A (en) * | 2022-11-07 | 2023-01-24 | 普宸新(北京)科技有限公司 | Peelable glue for screen printing and preparation method thereof |
| CN117038150A (en) * | 2023-10-10 | 2023-11-10 | 深圳市通泰盈科技股份有限公司 | UV curing conductive silver paste with good adhesion to aluminum foil and preparation method thereof |
| WO2024050272A1 (en) * | 2022-09-02 | 2024-03-07 | Henkel Ag & Co. Kgaa | Improved tack-free properties of light-curable compositions |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108384326A (en) * | 2018-05-10 | 2018-08-10 | 华南农业大学 | A kind of high adhesion force high glaze black UV jetted inks and its preparation method and application |
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2020
- 2020-01-21 CN CN202010068679.3A patent/CN111349359A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108384326A (en) * | 2018-05-10 | 2018-08-10 | 华南农业大学 | A kind of high adhesion force high glaze black UV jetted inks and its preparation method and application |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112961537A (en) * | 2021-03-20 | 2021-06-15 | 中山市中益油墨涂料有限公司 | Hydrophobic UV-LED ink for glass and preparation method thereof |
| WO2024050272A1 (en) * | 2022-09-02 | 2024-03-07 | Henkel Ag & Co. Kgaa | Improved tack-free properties of light-curable compositions |
| CN115637102A (en) * | 2022-11-07 | 2023-01-24 | 普宸新(北京)科技有限公司 | Peelable glue for screen printing and preparation method thereof |
| CN117038150A (en) * | 2023-10-10 | 2023-11-10 | 深圳市通泰盈科技股份有限公司 | UV curing conductive silver paste with good adhesion to aluminum foil and preparation method thereof |
| CN117038150B (en) * | 2023-10-10 | 2024-02-02 | 深圳市通泰盈科技股份有限公司 | UV curing conductive silver paste with good adhesion to aluminum foil and preparation method thereof |
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Application publication date: 20200630 |