CN110789261A - Laser 3D holographic thermoprinting film and preparation process thereof - Google Patents
Laser 3D holographic thermoprinting film and preparation process thereof Download PDFInfo
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- CN110789261A CN110789261A CN201911138600.3A CN201911138600A CN110789261A CN 110789261 A CN110789261 A CN 110789261A CN 201911138600 A CN201911138600 A CN 201911138600A CN 110789261 A CN110789261 A CN 110789261A
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- laser
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
- B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
- B44C1/17—Dry transfer
- B44C1/1712—Decalcomanias applied under heat and pressure, e.g. provided with a heat activable adhesive
- B44C1/1729—Hot stamping techniques
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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
- B41M5/38207—Contact thermal transfer or sublimation processes characterised by aspects not provided for in groups B41M5/385 - B41M5/395
- B41M5/38214—Structural details, e.g. multilayer systems
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Holo Graphy (AREA)
- Laminated Bodies (AREA)
Abstract
The invention provides a laser 3D holographic thermoprinting film and a preparation process thereof, wherein a 3D holographic image is formed on a photoetching glass coating plate by a laser imaging technology, then the 3D holographic image on a photoetching glass pattern laminate plate is copied on a nickel plate, the nickel plate is attached to the surface of a press roller of a mould press, so that the mould press can stamp the 3D holographic image, a thermoplastic polymer film is adopted as a substrate for stamping, a release layer, a color coating and a hot melt coating are coated on the thermoplastic polymer film, the stamped film can display a more three-dimensional 3D holographic image, and the image and the color are stable.
Description
Technical Field
The invention relates to the technical field of printing, in particular to a laser 3D holographic hot stamping film and a preparation process thereof.
Background
Hot stamping, commonly called "gold stamping", means that characters and patterns of materials such as color foils are stamped on the first or fourth seal of a hardcover book envelope and the book back, or various convex-concave book titles or patterns are stamped by a hot pressing method, the existing hot stamping, particularly the hot stamping of three-dimensional patterns, can only stamp simple convex-concave patterns, and has poor three-dimensional effect; in order to improve the three-dimensional effect, the three-dimensional effect is generally processed on the surface of an object by a laser method, but the laser equipment is high in price, cannot be processed on a film, and is large in limitation.
Therefore, a laser 3D holographic hot stamping film and a preparation process thereof are needed to solve the problem of poor stereoscopic effect of the existing hot stamping film.
Disclosure of Invention
The invention aims to provide a laser 3D holographic hot stamping film and a preparation process thereof, and aims to solve the problem that the existing hot stamping film is poor in three-dimensional effect.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a preparation process of a laser 3D holographic hot stamping film, which comprises the following steps:
(1) preparing a mould pressing plate: imaging a 3D holographic image on a photoetching glass coating plate through laser, copying the 3D holographic image on the photoetching glass coating plate on a nickel plate through an electroforming method, and finally taking the nickel plate as a mould pressing plate and attaching the 3D holographic image to the surface of a pressing roller of a mould pressing machine;
(2) coating a release layer: coating the release agent on a thermoplastic polymer film substrate, and drying to form a release agent layer;
(3) printing a color coating: coloring the ink on the release layer by using a gravure printing machine;
(4) covering a hot-melt coating: covering the color coating with a hot-melt coating to obtain a composite base material;
(5) and (3) embossing: and (3) impressing the composite base material by using a mould press stuck with the nickel plate to prepare the laser 3D holographic hot stamping film.
Preferably, in step (1), the 3D holographic image is imaged on the photo-etched glass-coated plate by a photo-taking method or a computer dot-matrix lithography technique.
Preferably, in the step (1), the thickness of the nickel plate is 15-80 microns.
Preferably, in the step (2), the thickness of the thermoplastic polymer film is 12 to 30 micrometers, and the thermoplastic polymer film is one of a biaxially oriented polypropylene film, a polyethylene terephthalate film or a polyvinyl chloride film.
Preferably, in the step (2), the coating thickness of the release agent is 9 micrometers.
Preferably, in the step (3), the gravure printing machine is a 6-10 color gravure printing machine.
Preferably, in the step (3), the ink is one of water-based ink, solvent ink, ultraviolet ink or curing ink.
Preferably, in the step (4), the hot-melt coating is one of a hot-melt adhesive coating, a hot-melt adhesive film laminating or a hot laminating, wherein the hot-melt adhesive film is one of a polyurethane hot-melt adhesive film, an ethylene-polyvinyl acetate hot-melt adhesive film, an ethylene-acrylic acid hot-melt adhesive film or a polyester hot-melt adhesive film.
Preferably, in the step (5), the temperature of the stamping is 180-260 ℃.
The invention further provides a laser 3D holographic hot stamping film, and the laser 3D holographic hot stamping film is prepared by the preparation process of the laser 3D holographic hot stamping film.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention provides a laser 3D holographic thermoprinting film and a preparation process thereof, wherein a 3D holographic image is formed on a photoetching glass coating plate by a laser imaging technology, the 3D holographic image on a photoetching glass pattern laminate plate is copied on a nickel plate, the nickel plate is attached to the surface of a press roller of a mould press, so that the mould press can stamp the 3D holographic image, a thermoplastic polymer film is adopted as a substrate for stamping, a release layer, a color coating and a hot melt coating are coated on the thermoplastic polymer film, the stamped film can display a more three-dimensional 3D holographic image, and the image and the color are stable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a flow chart of a preparation process of a laser 3D holographic hot stamping film provided by the invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
The invention aims to provide a laser 3D holographic hot stamping film and a preparation process thereof.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example 1:
the embodiment provides a preparation process of a laser 3D holographic hot stamping film, which includes the following steps as shown in fig. 1:
(1) preparing a mould pressing plate: imaging the 3D holographic image on the photoetching glass coating plate through laser, copying the 3D holographic image on the photoetching glass coating plate on a nickel plate through an electroforming method, and finally taking the nickel plate as a mould pressing plate and attaching the 3D holographic image to the surface of a pressing roller of a mould pressing machine outwards, so that the mould pressing machine can stamp the 3D holographic image;
(2) coating a release layer: coating a release agent on the thermoplastic polymer film substrate, and drying to form a release agent layer, wherein the release agent is used for smoothly separating the film substrate;
(3) printing a color coating: coloring the ink on the release layer by using a gravure printing machine;
(4) covering a hot-melt coating: covering the color coating with a hot-melt coating to obtain a composite base material, wherein the hot-melt coating can enable the color coating and the release layer to be better attached to the thermoplastic polymer film base material;
(5) and (3) embossing: and (3) impressing the composite base material by using a mould press stuck with a nickel plate to obtain the laser 3D holographic thermoprinting film.
Specifically, in the step (1), the 3D holographic image is imaged on a photoetching glass coating plate by a computer dot matrix photoetching technology; in other embodiments, the 3D holographic image can be imaged on the coated plate of the photolithographic glass by a photographing method, and it is within the scope of the present invention to realize that the 3D holographic image is imaged on the coated plate of the photolithographic glass by laser.
Further, in the step (1), the thickness of the nickel plate is 40 microns, so that the 3D holographic image can be formed, and the nickel plate can be tightly attached to a compression roller; in other embodiments, the thickness of the nickel plate may be 15 to 80 micrometers, and the invention is within the protection scope as long as the 3D holographic image can be formed on the nickel plate and the nickel plate can be attached to the pressing roller.
Further, in the step (2), the thickness of the thermoplastic polymer film is 20 microns, and the substrate with the thickness has good physical processing performance; in other embodiments, the thickness of the substrate may be 12 to 30 μm, which is within the scope of the present invention as long as the processing requirements can be met; the thermoplastic polymer film adopts a biaxially oriented polypropylene film, the biaxially oriented polypropylene film is commonly called BOPP, has good physical stability, mechanical strength and air tightness, higher transparency and glossiness, toughness and wear resistance, and is the most widely applied printing film at present; in other embodiments, a polyethylene terephthalate film or a polyvinyl chloride film may be selected as the substrate, and the thermoplastic processing is within the scope of the present invention.
Further, in the step (2), the coating thickness of the release agent is 9 microns, the release agent has the function of enabling the film base material to be separated smoothly, the release agent coated with the thickness can ensure that the base material is demoulded smoothly, and the thickness of the laser 3D holographic hot stamping film is moderate.
Further, in the step (3), 10-color intaglio printing presses are adopted as the intaglio printing presses, and in other embodiments, 6-color intaglio printing presses and 8-color intaglio printing presses may be selected according to actual needs, and are within the protection scope of the present invention.
Furthermore, in the step (3), the ink is water-based ink which has good heat resistance and corrosion resistance and is safer; in other embodiments, the ink may also be solvent ink, uv ink or curing ink as required, and it is within the scope of the present invention to ensure good adhesion of the color coating.
Further, in the step (4), the hot-melt coating adopts a laminated hot-melt adhesive film, wherein the hot-melt adhesive film adopts a polyurethane hot-melt adhesive film; in other embodiments, the hot melt adhesive film may also be one of an ethylene polyvinyl acetate hot melt adhesive film, an ethylene acrylic acid hot melt adhesive film or a polyester hot melt adhesive film, and certainly, according to actual needs, the hot melt adhesive coating or the hot lamination may also be selected as the hot melt coating.
Further, in the step (5), the imprinting temperature is 200 ℃, and can be adjusted within 180-260 ℃ under the condition that the types and thicknesses of the selected base materials are different.
The embodiment also provides a laser 3D holographic hot stamping film which is prepared by the preparation process.
The principle and the implementation mode of the invention are explained by applying specific examples, and the description of the above examples is only used for helping understanding the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In summary, this summary should not be construed to limit the present invention.
Claims (10)
1. A preparation process of a laser 3D holographic thermoprinting film is characterized by comprising the following steps: the preparation process comprises the following steps:
(1) preparing a mould pressing plate: imaging a 3D holographic image on a photoetching glass coating plate through laser, copying the 3D holographic image on the photoetching glass coating plate on a nickel plate through an electroforming method, and finally taking the nickel plate as a mould pressing plate and attaching the 3D holographic image to the surface of a pressing roller of a mould pressing machine;
(2) coating a release layer: coating the release agent on a thermoplastic polymer film substrate, and drying to form a release agent layer;
(3) printing a color coating: coloring the ink on the release layer by using a gravure printing machine;
(4) covering a hot-melt coating: covering the color coating with a hot-melt coating to obtain a composite base material;
(5) and (3) embossing: and (3) impressing the composite base material by using a mould press stuck with the nickel plate to prepare the laser 3D holographic hot stamping film.
2. The preparation process of the laser 3D holographic hot stamping film according to claim 1, characterized in that: in the step (1), the 3D holographic image is imaged on the photoetching glass coating plate by a photographing method or a computer dot matrix photoetching technology.
3. The preparation process of the laser 3D holographic hot stamping film according to claim 1, characterized in that: in the step (1), the thickness of the nickel plate is 15-80 microns.
4. The preparation process of the laser 3D holographic hot stamping film according to claim 1, characterized in that: in the step (2), the thickness of the thermoplastic polymer film is 12-30 microns, and the thermoplastic polymer film is one of a biaxially oriented polypropylene film, a polyethylene terephthalate film or a polyvinyl chloride film.
5. The preparation process of the laser 3D holographic hot stamping film according to claim 1, characterized in that: in the step (2), the coating thickness of the release agent is 9 microns.
6. The preparation process of the laser 3D holographic hot stamping film according to claim 1, characterized in that: in the step (3), the gravure printing machine adopts a 6-10 color gravure printing machine.
7. The preparation process of the laser 3D holographic hot stamping film according to claim 1, characterized in that: in the step (3), the ink is one of water-based ink, solvent ink, ultraviolet ink or curing ink.
8. The preparation process of the laser 3D holographic hot stamping film according to claim 1, characterized in that: in the step (4), the hot-melt coating is one of a coating hot-melt adhesive, a laminating hot-melt adhesive film or a hot laminating, wherein the hot-melt adhesive film is one of a polyurethane hot-melt adhesive film, an ethylene-polyvinyl acetate hot-melt adhesive film, an ethylene-acrylic acid hot-melt adhesive film or a polyester hot-melt adhesive film.
9. The preparation process of the laser 3D holographic hot stamping film according to claim 1, characterized in that: in the step (5), the temperature of the stamping is 180-260 ℃.
10. The utility model provides a holographic thermoprint membrane of laser 3D which characterized in that: the laser 3D holographic hot stamping film is prepared by the preparation process of the laser 3D holographic hot stamping film as claimed in claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911138600.3A CN110789261A (en) | 2019-11-20 | 2019-11-20 | Laser 3D holographic thermoprinting film and preparation process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911138600.3A CN110789261A (en) | 2019-11-20 | 2019-11-20 | Laser 3D holographic thermoprinting film and preparation process thereof |
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| CN110789261A true CN110789261A (en) | 2020-02-14 |
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| CN201911138600.3A Pending CN110789261A (en) | 2019-11-20 | 2019-11-20 | Laser 3D holographic thermoprinting film and preparation process thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111923627A (en) * | 2020-07-16 | 2020-11-13 | 广州市丽宝包装有限公司 | Platinum relief heat transfer film and production method thereof |
| CN114228362A (en) * | 2021-12-16 | 2022-03-25 | 英狮科技(东莞)有限公司 | Film making method of transfer film for aligning printing pattern and optical texture |
| CN116176150A (en) * | 2022-12-15 | 2023-05-30 | 江苏学泰印务有限公司 | Platinum relief heat transfer film and production process thereof |
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2019
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| US20040146751A1 (en) * | 2003-01-23 | 2004-07-29 | Peter Cueli | Preparation of novel physical transfer elements such as hot stamping foil and methods for using the same in producing chemically resistant bonds |
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Non-Patent Citations (1)
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111923627A (en) * | 2020-07-16 | 2020-11-13 | 广州市丽宝包装有限公司 | Platinum relief heat transfer film and production method thereof |
| CN114228362A (en) * | 2021-12-16 | 2022-03-25 | 英狮科技(东莞)有限公司 | Film making method of transfer film for aligning printing pattern and optical texture |
| CN114228362B (en) * | 2021-12-16 | 2023-05-12 | 英狮科技(东莞)有限公司 | Film forming method of transfer film with printed pattern and optical texture aligned |
| CN116176150A (en) * | 2022-12-15 | 2023-05-30 | 江苏学泰印务有限公司 | Platinum relief heat transfer film and production process thereof |
| CN116176150B (en) * | 2022-12-15 | 2023-11-14 | 江苏学泰印务有限公司 | Platinum relief heat transfer film and production process thereof |
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Application publication date: 20200214 |