CN107099189B - LED curing ink for bottle body surface and preparation and curing methods thereof - Google Patents
LED curing ink for bottle body surface and preparation and curing methods thereof Download PDFInfo
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- CN107099189B CN107099189B CN201710351539.5A CN201710351539A CN107099189B CN 107099189 B CN107099189 B CN 107099189B CN 201710351539 A CN201710351539 A CN 201710351539A CN 107099189 B CN107099189 B CN 107099189B
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- ink
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- curing ink
- bottle body
- led curing
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Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
- B41M7/0018—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using ink-fixing material, e.g. mordant, precipitating agent, after printing, e.g. by ink-jet printing, coating or spraying
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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
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
Abstract
The invention discloses LED curing ink for the surface of a bottle body, composite ink based on the LED curing ink, a preparation method of the LED curing ink and a curing method. The LED curing ink for the surface of the bottle body mainly comprises the following components in percentage by weight: 30-40% of polyester acrylate, 10-30% of polyurethane acrylate, 5-10% of ethoxylated bisphenol A diacrylate, 15-30% of initiator, 2-5% of dispersant, 3-8% of pigment, 5-10% of filler, 0.5-1% of defoamer and 0.2-1% of flatting agent. The LED curing ink for the surface of the bottle body provided by the invention can realize surface curing by exposure under the irradiation of an LED light source, can continuously carry out double-color or multi-color overprinting, saves a repeated baking process, and saves energy consumption, manpower and time.
Description
Technical Field
The invention belongs to the field of printing ink, and particularly relates to LED curing ink for the surface of a bottle body, composite ink based on the LED curing ink, a preparation method of the LED curing ink and a curing method.
Background
At present, in the wine bottle and cosmetic printing industry, most of the technologies of printing solvent-based ink or printing on the surface of a bottle body (a frosted bottle or a naked bottle) by using a silk screen are adopted. The solvent type ink needs to be baked at high temperature for a long time, so that the energy consumption is high, and the solvent is volatilized in the baking process, so that the environmental pollution is serious; if two-color or multi-color printing is needed, multiple times of baking are needed, the process is complex, and the product period is long. Although the decal process can be formed in one step, the cost is high, the yield is low, long-time baking is needed, and the energy consumption is high.
Disclosure of Invention
In view of the above problems, the present invention aims to provide an LED curing ink for a surface of a bottle body (especially a frosted bottle), a composite ink based on the LED curing ink, a preparation method of the LED curing ink, and a curing method. The LED curing ink provided by the invention can realize surface curing by exposure under the irradiation of an LED light source, can continuously carry out double-color or multi-color overprinting, saves a repeated baking process and saves energy consumption, manpower and time.
In order to achieve the above object, in a first aspect, the present invention adopts the following technical solutions:
the LED curing ink for the surface of the bottle body mainly comprises the following components in percentage by weight:
30-40% of polyester acrylate
10-30% of polyurethane acrylate
5-10% of ethoxylated bisphenol A diacrylate
15 to 30 percent of initiator
2 to 5 percent of dispersant
3 to 8 percent of pigment
5 to 10 percent of filler
0.5 to 1 percent of defoaming agent
0.2 to 1 percent of flatting agent.
Wherein, the ethoxylated bisphenol A diacrylate introduces a dioxide group, thereby effectively reducing oxygen resistance distance in instant curing and ensuring surface curing; while providing better resistance to chemicals and hardness.
Preferably, the initiator mainly comprises the following components in percentage by weight:
30-45% of acylphosphine oxide
Thioxanthone and/or its derivatives 0.5-5%
0.5 to 2 percent of titanocene
Isobornyl acrylate 25-40%
25-40% of dimethylacrylamide.
More preferably, the acylphosphine oxide has an absorption maximum at 380nm, even 430nm in the visible region, which is close to that of an LED light source (395 nm or 405nm in wavelength), and the resin can react rapidly under excitation of the light source to form a film effectively. Thioxanthone and derivatives thereof are a kind of initiator, namely thioxanthone initiator, and the thioxanthone contained in the initiator adopted in the invention can be a single component or a mixture of several components.
More preferably, the titanocene has a wider absorption range, the effective absorption peak value is 390nm and 460nm, and the absorption is up to about 500nm, so that the initiation efficiency is effectively improved.
Preferably, the polyester acrylate is a 1-2 functional resin. Has strong flexibility and good adhesive force on the surface of the bottle body.
Preferably, the urethane acrylate is a 3-10 functional resin. Has stronger hardness, and ensures the chemical resistance, the alcohol resistance and the water resistance of the ink after the film forming.
Preferably, the filler is a powder of silica or talc. The shrinkage of the system is reduced, and the smoothness of the surface of the coating is enhanced.
In a second aspect, the invention adopts the technical scheme that:
the composite ink for the surface of the bottle body comprises LED curing ink and a silane coupling agent which are mixed in a weight ratio of 10:0.3, wherein the LED curing ink is the LED curing ink, and the silane coupling agent is a 1-2 functionality coupling agent. The adhesive capacity of organic materials and inorganic materials can be effectively improved, and the adhesive force of the composite ink on the glass surface of the bottle body is improved.
In a third aspect, the invention adopts the technical scheme that:
the preparation method of the LED curing ink for the surface of the bottle body comprises the following steps:
adding isobornyl acrylate and dimethylacrylamide at the rotation speed of 300-500r/min, adding acylphosphine oxide, thioxanthone and derivatives thereof and titanocene while stirring, uniformly stirring, heating and fully dissolving to obtain an initiator;
and B, sequentially adding polyester acrylate, epoxy resin, polyurethane acrylate, a dispersing agent, pigment and a filler into the initiator obtained in the step A at the rotating speed of 600-900r/min, uniformly stirring, grinding, adding a defoaming agent and a leveling agent, and uniformly stirring to obtain the LED curing ink.
Preferably, in the step B, after the mixture is ground to be less than 5 μm on a three-roller machine, the defoaming agent and the leveling agent are added.
In a fourth aspect, the invention adopts the technical scheme that:
the curing method of the LED curing ink for the surface of the bottle body comprises the following steps:
c, curing to form a film under the excitation of an LED light source to realize surface curing;
and D, deep curing by irradiation of a mercury lamp or baking.
By adopting the technical scheme, compared with the prior art, the invention has the following advantages:
the LED curing ink is used on the surface of a bottle body, can be instantly cured into a film in a short time (1-2 s) under the excitation of an LED light source, realizes surface fixation (surface drying), can continuously carry out double-color or multi-color overprinting, saves the repeated baking process, and saves energy consumption, labor power and time.
The LED curing ink contains epoxy resin, has excellent pigment wettability and leveling property, has the effect of promoting flexibility, and ensures the adhesive force of the ink on the surface of a bottle body.
The LED curing ink can be combined with a silane coupling agent, so that the adhesive force of the composite ink on the glass surface of the bottle body is improved.
After the surface of the LED curing ink is cured, deep secondary curing is carried out by irradiation or baking of a mercury lamp, the adhesive force of the product is ensured, and the water resistance, alcohol resistance and durability of the product are further improved.
All resins are 100% solids resins and have no solvent volatilization during printing and post baking.
Detailed Description
The following detailed description of the preferred embodiments of the invention is provided to enable those skilled in the art to more readily understand the advantages and features of the invention.
Example 1
Adding 5.925kg of isobornyl acrylate and 3.75kg of dimethylacrylamide at the rotating speed of 300-500r/min, adding 4.5kg of acylphosphine oxide, 0.75kg of thioxanthone and derivatives thereof and 75g of titanocene while stirring, uniformly stirring, heating and fully dissolving to obtain an initiator;
and B, sequentially adding 30kg of polyester acrylate, 30kg of polyurethane acrylate, 5kg of ethoxylated bisphenol A diacrylate, 2kg of wetting dispersant, 7kg of pigment and 10kg of filler (silicon dioxide powder) into the initiator obtained in the step A at the rotating speed of 600-900r/min, uniformly stirring, grinding the mixture on a three-roller machine to the particle size of less than 5 microns, then adding 0.8kg of defoaming agent and 0.2kg of flatting agent, and uniformly stirring to obtain the LED curing ink for the surface of the glass bottle body.
Example 2
Adding 5kg of isobornyl acrylate and 6.4kg of dimethylacrylamide at the rotating speed of 300-500r/min, adding 7.6kg of acylphosphine oxide, 0.6kg of thioxanthone and derivatives thereof and 0.2kg of titanocene while stirring, uniformly stirring, heating and fully dissolving to obtain an initiator;
and B, sequentially adding 35kg of polyester acrylate, 20kg of polyurethane acrylate, 8kg of ethoxylated bisphenol A diacrylate, 4kg of wetting dispersant, 5kg of pigment and 7kg of filler (talcum powder) into the initiator obtained in the step A at the rotating speed of 600-900r/min, uniformly stirring, grinding the mixture on a three-roller machine to the particle size of less than 5 microns, then adding 0.5kg of defoaming agent and 0.5kg of flatting agent, and uniformly stirring to obtain the LED curing ink for the surface of the glass bottle body.
Example 3
Adding 7.875kg of isobornyl acrylate and 7.875kg of dimethylacrylamide at the rotating speed of 300-500r/min, adding 13.5kg of acylphosphine oxide, 0.15kg of thioxanthone and derivatives thereof and 0.6kg of titanocene while stirring, uniformly stirring, heating in an oven at 90 ℃, and fully dissolving to obtain an initiator;
and B, sequentially adding 38kg of polyester acrylate, 8kg of polyurethane acrylate, 9kg of ethoxylated bisphenol A diacrylate, 5kg of wetting dispersant, 3kg of pigment and 5g of filler (talcum powder) into the initiator obtained in the step A at the rotating speed of 600-900r/min, uniformly stirring, grinding the mixture on a three-roller machine to the particle size of less than 5 microns, then adding 1kg of defoaming agent and 1kg of flatting agent, and uniformly stirring to obtain the LED curing ink for the surface of the glass bottle body.
In examples 1 to 3, the acylphosphine oxide had a maximum absorption wavelength of 380nm and also had an absorption at 430nm in the visible region; the effective absorption peak value of titanocene is 390nm and 460nm, and the absorption peak value is about 500 nm; polyester acrylate is a resin with 1-2 functionality; the polyurethane acrylate is a resin with 3-10 functionality.
Example 4
The LED curing ink and the silane coupling agent are used in combination. Specifically, the LED curing ink prepared in example 3 was mixed with phosphate ester in a weight ratio of 10:0.3, wherein the silane coupling agent was a 1-2 functionality coupling agent.
Example 5
Printing the LED curing ink prepared in the embodiment 1-3 on the glass surface of a ground glass bottle through an automatic screen printing machine or a semi-automatic screen printing machine, irradiating for 1-2s through an LED light source with the wavelength of 395nm (or adopting an LED light source with the wavelength of 405 nm), and drying; then baking the mixture for 10min at 150 ℃ (or 1000-2Mercury lamp irradiation) and deep curing. Then, the test was performed, and the test results are shown in table 1.
TABLE 1
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and are preferred embodiments, which are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (7)
1. The LED curing ink for the surface of the bottle body is characterized by mainly comprising the following components in percentage by weight:
30-40% of polyester acrylate
10-30% of polyurethane acrylate
5-10% of ethoxylated bisphenol A diacrylate
15 to 30 percent of initiator
2 to 5 percent of dispersant
3 to 8 percent of pigment
5 to 10 percent of filler
0.5 to 1 percent of defoaming agent
0.2 to 1 percent of flatting agent
Wherein, the initiator mainly comprises the following components in percentage by weight:
30-45% of acylphosphine oxide
Thioxanthone and/or its derivatives 0.5-5%
0.5 to 2 percent of titanocene
Isobornyl acrylate 25-40%
25-40% of dimethylacrylamide;
the maximum absorption wavelength of the acylphosphine oxide is 380nm, and the effective absorption peak value of the titanocene is 390nm or 460 nm.
2. The LED curable ink according to claim 1, wherein the polyester acrylate is a 1-2 functional resin;
and/or the presence of a gas in the gas,
the polyurethane acrylate is a resin with 3-10 functionality.
3. The LED curing ink according to claim 1, wherein the filler is a powder of silica or talc.
4. A composite ink for a bottle body surface, which is characterized by comprising an LED curing ink and a silane coupling agent which are mixed in a weight ratio of 10:0.3, wherein the LED curing ink is the LED curing ink as claimed in any one of claims 1 to 3, and the silane coupling agent is a 1-2 functionality coupling agent.
5. A method for preparing the LED curing ink for the surface of the bottle body according to any one of claims 1 to 3, comprising the steps of:
adding isobornyl acrylate and dimethylacrylamide at the rotation speed of 300-500r/min, adding acylphosphine oxide, thioxanthone and derivatives thereof and titanocene while stirring, uniformly stirring, heating and fully dissolving to obtain an initiator;
and B, sequentially adding polyester acrylate, ethoxylated bisphenol A diacrylate, polyurethane acrylate, a dispersing agent, a pigment and a filler into the initiator obtained in the step A at the rotating speed of 600-900r/min, uniformly stirring, grinding, adding a defoaming agent and a leveling agent, and uniformly stirring to obtain the LED curing ink.
6. The preparation method according to claim 5, wherein in the step B, the mixture is ground to below 5 μm on a three-roll mill, and then an antifoaming agent and a leveling agent are added.
7. A method for curing LED curing ink for bottle body surface, which is characterized by using the LED curing ink for bottle body surface according to any one of claims 1 to 3, the method comprising the steps of:
the surface curing is realized by curing to form a film under the excitation of an LED light source;
then the deep curing is carried out by mercury lamp irradiation or baking.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710351539.5A CN107099189B (en) | 2017-05-18 | 2017-05-18 | LED curing ink for bottle body surface and preparation and curing methods thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710351539.5A CN107099189B (en) | 2017-05-18 | 2017-05-18 | LED curing ink for bottle body surface and preparation and curing methods thereof |
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| CN107099189A CN107099189A (en) | 2017-08-29 |
| CN107099189B true CN107099189B (en) | 2021-02-02 |
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| CN107815175A (en) * | 2017-11-02 | 2018-03-20 | 张家港宝视特影视器材有限公司 | A kind of ultraviolet curable coating material for curtain and preparation method thereof |
| CN112898824B (en) * | 2019-12-04 | 2022-08-02 | 中山大学 | UV-LED photocuring inkjet ink for glass substrate and preparation method thereof |
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| CN104789039A (en) * | 2015-04-27 | 2015-07-22 | 杭州科望特种油墨有限公司 | Endogenous frosting-effect glass ink and method for producing frosting-effect product by utilizing same |
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|---|---|---|---|---|
| US6162842A (en) * | 1999-05-18 | 2000-12-19 | The Goodyear Tire & Rubber Company | Radiation curable coating composition |
| US7897653B2 (en) * | 2006-10-12 | 2011-03-01 | Xerox Corporation | Fluorescent radiation curable inks |
| US7812064B2 (en) * | 2007-08-07 | 2010-10-12 | Xerox Corporation | Phase change ink compositions |
| EP3257677A1 (en) * | 2011-08-01 | 2017-12-20 | Sun Chemical Corporation | Inks or coatings and method of use in heat transfer label applications |
| CN102786839B (en) * | 2012-07-31 | 2014-07-09 | 佛山市三求电子材料有限公司 | Glass protecting ink and preparation method thereof |
| US20160024331A1 (en) * | 2014-07-23 | 2016-01-28 | Kelmardan International Inc. | Polymerizable Thiol-ene Ink and Coating Composition |
| CN104497697A (en) * | 2014-12-23 | 2015-04-08 | 广州市尤特新材料有限公司 | LED-UV photocurable screen printing halogen-free glass ink |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104789039A (en) * | 2015-04-27 | 2015-07-22 | 杭州科望特种油墨有限公司 | Endogenous frosting-effect glass ink and method for producing frosting-effect product by utilizing same |
Non-Patent Citations (1)
| Title |
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| "光固化涂料的应用进展";王文君等;《信息记录材料》;20041231;第5卷(第1期);第27-30页 * |
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