KR101679187B1 - Panel printing method using a thermal transfer and panel printed using the same - Google Patents
Panel printing method using a thermal transfer and panel printed using the same Download PDFInfo
- Publication number
- KR101679187B1 KR101679187B1 KR1020150133477A KR20150133477A KR101679187B1 KR 101679187 B1 KR101679187 B1 KR 101679187B1 KR 1020150133477 A KR1020150133477 A KR 1020150133477A KR 20150133477 A KR20150133477 A KR 20150133477A KR 101679187 B1 KR101679187 B1 KR 101679187B1
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- KR
- South Korea
- Prior art keywords
- ink absorbing
- ink
- panel
- printing
- absorbing layer
- Prior art date
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Classifications
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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
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/382—Contact thermal transfer or sublimation processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/02—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/26—Printing on other surfaces than ordinary paper
- B41M1/28—Printing on other surfaces than ordinary paper on metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/26—Printing on other surfaces than ordinary paper
- B41M1/30—Printing on other surfaces than ordinary paper on organic plastics, horn or similar materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/26—Printing on other surfaces than ordinary paper
- B41M1/34—Printing on other surfaces than ordinary paper on glass or ceramic surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/40—Printing on bodies of particular shapes, e.g. golf balls, candles, wine corks
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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
-
- 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
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/0064—Digital printing on surfaces other than ordinary paper on plastics, horn, rubber, or other organic polymers
-
- 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
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/382—Contact thermal transfer or sublimation processes
- B41M5/38257—Contact thermal transfer or sublimation processes characterised by the use of an intermediate receptor
Abstract
Description
BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a panel printing method using a transfer method and a panel printed using the method, and more particularly, to an ink absorbing layer formed on a surface of a panel, Can be easily printed on a panel, and since the ink penetrates into the ink absorbing layer during the heating and pressing process of the transfer film, the panel printing method using the transfer method having a clear and excellent adhesive force and printing Lt; / RTI >
In general, various images are printed using various colors in window glass for display of IT devices such as smart phones and tablet PCs, LCD protective films for IT devices, cases, and battery back covers.
In this way, in order to print on the surface of the print using various colors, the printing operation is completed through a very difficult step for each color. Therefore, a silk screen printing method is mainly used for printing on the surface of printed matter.
However, when printing is performed several times for each color, there is a problem in that the printing state is not so good that the boundary surfaces of different colors are overlapped, so that a clean printing product can not be produced, and also lifting phenomenon occurs at the interface.
In order to solve such a problem, Korean Patent No. 10-1252157 discloses a process of printing on a printed matter through various steps, in which printing is automatically performed while a printed matter is moving, so that a large amount of printed matter can be printed in a short time, A window glass printing apparatus is disclosed in which a cleaner unit is provided to remove foreign matter remaining on a printing pad at any time to obtain a clean printed surface, improve productivity, and produce a high quality printed product.
However, since a silk screen suitable for each color is to be provided on the basis of characteristics unique to silk screen printing, in the case where an image composed of various colors changes frequently as in the past, a number of silks There is a disadvantage that it is troublesome to newly manufacture screen and dispose of existing silk screen, and it is a complication of printing apparatus and process, which causes a rise in manufacturing cost and a weak adhesive force because it is directly printed on a glass surface.
On the other hand, Korean Patent No. 10-1454184 discloses an ink printing implementation method for preventing glass transfer failure including a thermal transfer step of thermally transferring a glass of a display device using a film member having a third and a second ink layer formed thereon .
However, the thermal transfer type printing as in the above-mentioned patent is easier to implement images of various colors than silk screen printing, but it has a disadvantage in that the adhesion is weak when it is directly transferred to the surface of a window glass.
Therefore, it is necessary to develop a printing method that can apply a transfer method that can easily implement various images to a window glass or the like.
SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and it is an object of the present invention to provide an ink absorbing layer on a surface of a panel such as a window glass and then thermally transferring the ink absorbing layer, The present invention provides a panel printing method using a transfer method that can easily print an image composed of a plurality of colors.
It is another object of the present invention to provide a panel printing method using a transfer method which is excellent in sharpness and adhesion because the ink penetrates into the ink absorbing layer and is fused during the heating and pressing process of the transfer film.
According to an aspect of the present invention, there is provided a panel printing method using a transfer method, comprising: providing a panel including a printing unit for printing and a non-printing unit for printing; Forming a mask layer on the non-printed portion of the panel; Forming a first ink absorbing layer by spraying a first coating liquid on a printing portion of the panel and then drying at a temperature of 15 to 25 ° C for 5 to 20 minutes; Forming a third ink absorbing layer by spraying a third coating liquid onto the printing portion of the panel and then drying at a temperature of 70 to 90 캜 for 120 to 150 minutes; Laminating a transfer film on which the ink is printed on the third ink absorbing layer in a digital printing manner; Heating and pressing the transfer film to fuse the ink into the first and third ink absorbing layers to perform printing; Wherein the step of printing is performed in a chamber provided with a lower heater, an upper heater, and a jig, wherein the panel is mounted on the jig, and the jig is placed in a chamber directly below the jig The panel and the transfer film are heated from below and the upper heater disposed in the upper part of the chamber is heated to maintain the temperature in the chamber at 70 to 90 ° C And printing is performed.
Further, in the panel printing method using the transfer method according to the present invention, the panel is made of any one of glass, metal, and acrylic resin.
In the panel printing method using the transfer method according to the present invention, the first and third ink absorbing layers are formed by spraying a coating liquid containing a subject and a solvent in a spraying manner, The first coating liquid of the third ink absorbing layer has a composition ratio of urethane resin, a curing agent and a solvent of 3: 0.5 to 1.5: 2 to 3: 1, 3 < / RTI > by weight.
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Further, in the panel printing method using the transfer method according to the present invention, after the step of forming the first ink absorbing layer is formed, the second ink absorbing layer is formed by spraying the second coating liquid onto the first ink absorbing layer Further comprising the steps of:
Further, in the panel printing method using the transfer method according to the present invention, the second coating liquid is composed of the urethane resin, the curing agent and the solvent, which are the main components, in a weight ratio of 3: 0.5 to 1.5: 1 to 2, Is formed by spraying the second coating liquid onto the printing portion and then drying at a temperature of 70 to 90 ° C for 5 to 20 minutes.
In the panel printing method using the transfer method according to the present invention, the coating thicknesses of the first, second and third ink absorption layers are respectively 5 to 8 占 퐉 and the total thickness of the first, The ratio of the thickness of the ink printed on the transfer film is 1: 0.3-0.5.
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Further, in the panel printing method using the transfer method according to the present invention, the printing portion of the panel is made of a 3D solid structure having a curved surface, and the transfer film has an elongation of at least 40% so as to be pressed along the curved surface of the printing portion. And is made of a flexible material.
In the panel printing method using the transfer method according to the present invention having the above-described structure, an ink absorbing layer is formed on a panel such as a window glass, and then the ink is printed thereon with ink printed on a digital printer or the like, Can be easily printed.
In addition, the panel printing method using the transfer method according to the present invention is sharp and excellent in adhesion because the ink fuses while penetrating the ink absorbing layer during the heating and pressing process of the transfer film.
1 is a block diagram showing each step of a panel printing method using a transfer method according to the present invention.
2 is a perspective view showing a window glass of the present invention.
FIG. 3A is a cross-sectional view showing a state in which a mask layer is formed on the glass of the present invention, FIG. 3B is a cross-sectional view showing an ink absorbing layer formed on the glass of the present invention, Is laminated on the ink absorbing layer. FIGS. 3 (a) and 3 (e) are cross-sectional views showing a state in which the transfer film of the present invention is transferred, and FIG. 3 (f) is a cross-
FIG. 4A is a photograph of a state where an ink absorbing layer is formed on a window glass of the present invention, and FIG. 4B is a photograph of a glass on which an image is printed by the transferring method of Embodiment 1 of the present invention.
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings and the following description. However, the present invention is not limited to the embodiments described herein but may be embodied in other forms. Rather, the embodiments disclosed herein are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
In the description of the present invention, the same or similar elements are denoted by the same or similar reference numerals, and a detailed description thereof will be omitted.
The panel to which the printing method of the present invention is applied may be exemplified by a window glass of an IT device such as a smart phone or a tablet PC, a protective glass for protecting the window glass, a camera lens, a back cover, The material of which is made of glass, metal, acrylic resin or the like. In addition, various colors and designs can be produced by the thermal transfer method on the surface of the panel to be printed.
In the following description, the panel to be printed is a window glass for display.
1 to 3E, a panel printing method using a transfer method according to the present invention includes a step S1 of providing a
As shown in FIG. 2, the
The
In step S3, the first, second, and third
The first
The acrylic resin may be at least one selected from the group consisting of Methyl methacrylate (MMA), Ethyl acrylate monomer (EAM), n-Butyl Acrylate (BA), n-Butyl Methacrylate ), And acrylic acid (AA).
Examples of the solvent include ethyl alcohol, methyl isobutyl ketone, butyl alcohol, acetate, ketone, and ester.
The second
The third
Since the drying time of the first
The thicknesses of the first, second, and third
On the other hand, when the
In step S4, a transfer printing method of heat pressing by heating and pressing the transfer film is performed.
3D, the
The
When the
In the case of transferring to a transfer film on which oil-based ink is directly printed on the glass surface without forming an ink absorbing layer, the adhesive force is weak, and therefore, a separate adhesive must be squeezed on the surface of the glass. In this case, when the sprayed adhesive is not evenly sprayed, the smoothness of the printed layer is lowered, the color of the printed layer is not clear by the adhesive, and the non-printed portion must be masked so that the adhesive is not applied to the non-printed portion.
However, when the water-soluble ink is fused with the ink absorbing layer as in the present invention, the adhesion of the ink and the sharpness of the color are greatly improved.
In step S5, the
And forming a hard coating layer (not shown) made of urethane resin or the like for protecting the printing surface when printing is completed.
In step S6, the
Hereinafter, a panel printing method using a transfer method according to the present invention will be described in detail with reference to a more preferred embodiment.
1. First, a mask layer is formed on the non-printing portion previously formed on one side of the window glass using a silk screen method using the oil-based masking ink.
2. Next, first, second and third ink absorbing layers each having a thickness of 5 mu m are sequentially formed on the printing portion on which the mask layer is not formed. Here, the first ink absorbing layer is made of an acrylic resin (Ethyl acrylate monomer (EAM)) and acrylic resin (acrylic acid, AA), and the second and third ink absorbing layers are made of urethane resin Respectively. The drying conditions of the first, second and third ink absorbing layers were 5 minutes at a temperature of 20 캜, 5 minutes at a temperature of 20 캜 and 130 minutes at a temperature of 80 캜. The first and second ink absorbing layers were transparent without adding pigments, and the third ink absorbing layer was formed with white pigments added thereto, and the window glass formed with the ink absorbing layer was shown in the photograph of FIG. 4A.
3. Next, a PET transfer film having excellent elongation is laminated on the ink absorbing layer. Here, water-soluble ink is printed on one side of the transfer film, and the thickness of the water-soluble ink is 15 占 퐉.
4. Next, the window glass is fixed to the jig provided in the chamber, the transfer film is laminated and fixed, and then the vacuum film is processed to fix the transfer film on the window glass. At this time, the temperature in the chamber is set at 80 占 폚, and the lower heating plate is set at 110 占 폚 to perform thermal transfer printing.
5. Next, the glass was washed to complete the printing process by the transfer method, and the printed glass photograph was shown in FIG. 4B.
The images printed on the window glass were clear in color and were not scratched or damaged when the edges of the image printed with the nails were scratched.
While the present invention has been described in connection with certain exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Therefore, it is to be understood that the present invention is not limited to the above-described embodiments. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims. It is also to be understood that the invention includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
100: Glass 101: Printing section
103: non-printing portion 110: mask layer
130: ink absorbing layer 150: transfer film
151: ink Z: jig
H1, H2: Upper and lower heater
Claims (10)
Forming a mask layer on the non-printed portion of the panel;
Forming a first ink absorbing layer by spraying a first coating liquid on a printing portion of the panel and then drying at a temperature of 15 to 25 ° C for 5 to 20 minutes;
Forming a second ink absorbing layer by spraying a second coating liquid onto the first ink absorbing layer;
Forming a third ink absorbing layer by spraying a third coating liquid onto the second ink absorbing layer, and then drying the ink at a temperature of 70 to 90 DEG C for 120 to 150 minutes;
Laminating a transfer film on which the ink is printed on the third ink absorbing layer in a digital printing manner;
Heating and pressing the transfer film to fuse the ink into the first, second and third ink absorbing layers to perform printing;
And removing the mask layer,
Wherein the second coating liquid comprises a urethane resin, a curing agent and a solvent in a weight ratio of 3: 0.5 to 1.5: 1 to 2,
The second ink absorbing layer is formed by spraying the second coating liquid onto the first ink absorbing layer and then drying at a temperature of 70 to 90 ° C for 5 to 20 minutes,
Wherein the step of printing comprises:
A lower heater, an upper heater, and a jig,
The panel is mounted on the jig and the lower heater disposed directly below the jig is heated to 100 to 140 ° C to heat the panel and the transfer film from below and the upper heater Wherein the printing is performed in an atmosphere in which the temperature in the chamber is maintained at 70 to 90 캜, and the ink is printed while being infiltrated into the 1, 2, and 3 ink absorbing layers.
Wherein the panel is made of one of glass, metal, and acrylic resin.
Wherein the first and third ink absorbing layers are formed by spraying a coating liquid containing a subject and a solvent in a spraying manner,
Wherein the first coating liquid of the first ink absorption layer is composed of acrylic resin and solvent in a weight ratio of 1: 1 to 3,
Wherein the third coating liquid of the third ink absorbing layer comprises a urethane resin, a curing agent and a solvent in a weight ratio of 3: 0.5 ~ 1.5: 2 ~ 3.
The coating thicknesses of the first, second and third ink absorbing layers are respectively 5 to 8 탆,
Wherein the ratio of the total thickness of the first, second and third ink absorbing layers to the thickness of the ink printed on the transfer film is 1: 0.3-0.5.
Wherein the printing unit of the panel has a three-dimensional structure having a curved surface,
Wherein the transfer film is made of a flexible material having an elongation of at least 40% so that the transfer film can be pressed along the curved surface of the printing unit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020150133477A KR101679187B1 (en) | 2015-09-22 | 2015-09-22 | Panel printing method using a thermal transfer and panel printed using the same |
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KR1020150133477A KR101679187B1 (en) | 2015-09-22 | 2015-09-22 | Panel printing method using a thermal transfer and panel printed using the same |
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KR101679187B1 true KR101679187B1 (en) | 2016-11-24 |
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KR1020150133477A KR101679187B1 (en) | 2015-09-22 | 2015-09-22 | Panel printing method using a thermal transfer and panel printed using the same |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001328360A (en) * | 2000-05-24 | 2001-11-27 | Dainippon Printing Co Ltd | Thermal transfer image receiving sheet |
KR100433495B1 (en) * | 2003-05-06 | 2004-06-01 | 신우하이테크(주) | The structure of printing layers using method for partial heat transfer printing of graphics |
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2015
- 2015-09-22 KR KR1020150133477A patent/KR101679187B1/en active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001328360A (en) * | 2000-05-24 | 2001-11-27 | Dainippon Printing Co Ltd | Thermal transfer image receiving sheet |
KR100433495B1 (en) * | 2003-05-06 | 2004-06-01 | 신우하이테크(주) | The structure of printing layers using method for partial heat transfer printing of graphics |
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