CN110802976A - Holographic thermoprinting film and preparation method thereof, holographic water transfer printing paper and preparation method thereof - Google Patents
Holographic thermoprinting film and preparation method thereof, holographic water transfer printing paper and preparation method thereof Download PDFInfo
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- CN110802976A CN110802976A CN201910983682.5A CN201910983682A CN110802976A CN 110802976 A CN110802976 A CN 110802976A CN 201910983682 A CN201910983682 A CN 201910983682A CN 110802976 A CN110802976 A CN 110802976A
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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
- B44C1/175—Transfer using solvent
- B44C1/1752—Decalcomanias provided with a particular decorative layer, e.g. being specially adapted to allow the formation of a metallic or dyestuff layer on a substrate unsuitable for direct deposition
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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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- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/16—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising curable or polymerisable compounds
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/24—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/24—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/28—Polyesters
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
Abstract
The invention relates to the field of anti-counterfeiting package printing, and relates to a holographic hot stamping film which comprises a base film, a UV release layer, an imaging layer, a positioning printing layer, a coating and an adhesive layer which are sequentially overlapped from top to bottom; the upper surface of the imaging layer is provided with a holographic microstructure which forms a holographic positioning pattern. The holographic water transfer printing paper is formed by compounding the holographic hot stamping film and water transfer printing paper. The holographic hot stamping film is prepared by coating UV coating on a base film by adopting a UV mould press, carrying out mould pressing and UV curing to obtain a UV release layer with a surface microstructure, and sequentially forming an imaging layer, a positioning printing layer, a plating layer and a glue layer on the UV release layer. The holographic water transfer printing paper is prepared by positioning and thermoprinting/thermally transferring patterns on the prepared holographic thermoprinting film to water transfer printing paper, and then peeling off the base film and the UV release layer. The holographic microstructure is uniquely arranged on the outermost surface of the stained paper, is not covered by the coating, and can provide better stereoscopic impression in vision and touch.
Description
Technical Field
The invention relates to the technical field of anti-counterfeiting package printing, in particular to a holographic hot stamping film and a preparation method thereof, holographic water transfer printing paper and a preparation method thereof.
Background
The low-temperature water transfer printing paper is gorgeous in color, has the characteristics of alcohol resistance, wear resistance and the like, only needs low-temperature baking when in use, and can be widely applied to the surfaces of products such as glass wine bottles, ceramics, metals, plastics and the like. The common water transfer printing paper has no holographic anti-counterfeiting pattern, has great limitation on anti-counterfeiting and aesthetic properties, develops the holographic water transfer printing paper technology in recent years, combines the holographic anti-counterfeiting technology with the water transfer printing technology, and is popular in the market. However, the production process is complicated, multiple printing, hot stamping/transfer printing processes are required, the manufacturing efficiency is low, the cost is high, and the positioning precision is not easy to control. Moreover, the holographic hot stamping film for the holographic water transfer printing paper has the advantages of hot stamping property, good heat resistance (high-temperature baking is needed after transfer printing), great limitation on performance and low production yield. Therefore, there is a need to develop a water transfer printing paper with simple manufacturing process, better decorative effect and higher precision.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the holographic hot stamping film and the preparation method thereof, the holographic water transfer printing paper and the manufacturing method thereof.
In order to achieve the purpose, the technical scheme of the invention is that the holographic hot stamping film comprises a base film, a UV release layer, an imaging layer, a positioning printing layer, a plating layer and a glue layer which are sequentially overlapped from top to bottom; the upper surface of the imaging layer is provided with a holographic microstructure, and the holographic microstructure forms a holographic positioning pattern.
Furthermore, the positioning printing layer is provided with printing patterns with at least two colors, and the printing patterns on the positioning printing layer and the holographic positioning patterns on the imaging layer are in registration.
Further, the thickness of the imaging layer is 0.6-3 μm; the thickness of the positioning printing layer is 0.5-2 mu m; the thickness of the adhesive layer is 0.8-1.5 mu m.
Further, the depth of the holographic microstructure on the imaging layer is 0.2-3 mu m.
Further, the peeling value of the UV release layer relative to the imaging layer is 0.1-1.0N/cm.
The invention also provides holographic water transfer printing paper, which comprises an imaging layer, a positioning printing layer, a plating layer, a glue layer and water transfer printing paper which are sequentially overlapped from top to bottom; the upper surface of the imaging layer is provided with a holographic microstructure, and the holographic microstructure forms a holographic positioning pattern.
Further, the holographic water transfer decal paper further comprises a tear-off film disposed on the imaging layer.
The invention also discloses a preparation method of the holographic hot stamping film, which comprises the following steps:
1) coating UV coating on the base film by using a UV mould press, and carrying out mould pressing and UV curing to obtain a UV release layer with a surface microstructure; the UV release layer comprises a first area and a second area, the first area forms a holographic positioning pattern, and a positioning cursor is formed in the second area;
2) coating the first area of the UV release layer to form an imaging layer, and then performing positioning printing on the imaging layer to form a positioning printing layer;
3) and (3) evaporating a plating layer on the positioning printing layer, and then coating the plating layer to form a glue layer to obtain the holographic hot stamping film.
Further, the UV coating in the step 1) comprises the following components in parts by weight: 30-50 parts of polyurethane acrylate, 10-20 parts of organic silicon modified polyester acrylate, 30-50 parts of monomer, 3-6 parts of photoinitiator and 0-3 parts of auxiliary agent.
The invention also provides a preparation method of the holographic water transfer printing paper film, which comprises the following steps:
preparing the holographic thermoprinting film by adopting the preparation method;
and (3) performing positioning hot stamping/heat transfer on the patterns on the prepared holographic hot stamping film to water transfer printing paper, and then stripping the base film and the UV release layer on the holographic hot stamping film.
Compared with the prior art, the invention has the following beneficial effects:
(1) the holographic gold stamping film comprises a base film, a UV release layer, an imaging layer, a positioning printing layer, a plating layer and an adhesive layer which are sequentially overlapped from top to bottom, and a holographic positioning pattern is positioned on the upper surface of the imaging layer, namely when the holographic water transfer printing paper is prepared, a holographic microstructure of the holographic positioning pattern is positioned on the outermost surface of the printing paper, on one hand, the holographic positioning pattern is not covered by the coating, the holographic brightness is much higher than that of the traditional process, and better three-dimensional sense is provided from the visual sense and the touch sense; on the other hand, the molding performance of the imaging layer is not required to be considered when the material of the imaging layer is selected, the selectable range is greatly improved, and the holographic water transfer printing paper with higher hardness and better heat resistance is favorably manufactured;
(2) the manufacturing process is greatly simplified, a positioning printing layer is directly arranged on the imaging layer (positioning printing is carried out in a roll-to-roll mode), the process of printing for multiple times in the traditional process can be replaced, the manufacturing efficiency is obviously improved, and the positioning precision can be controlled;
(3) the holographic microstructure is uniquely arranged on the outermost surface of the water transfer printing paper, and brings the effect completely different from the traditional holographic water transfer printing paper: in vision, the holographic pattern is clearer and has strong stereoscopic impression; in addition, as the holographic microstructure is arranged on the surface, the touch is accessible, the sense of touch is strong in three-dimensional sense, and better decoration and anti-counterfeiting performance are provided;
(4) the imaging layer can be made of a thermosetting material with a high glass transition temperature, has better heat resistance and hardness, does not need to be coated with protective gloss oil on the surface, reduces the cost and simplifies the process.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a holographic hot stamping film provided in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a holographic water transfer decal paper provided by an embodiment of the invention;
FIG. 3 is a top view of a holographic water transfer decal provided in accordance with an embodiment of the present invention;
in the figure: 1. imaging layer, 2, location printing layer, 3, cladding material, 4, glue film, 5, base film, 6, UV release layer, 7, water transfer printing paper, 8, tear film.
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.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Example 1
As shown in fig. 1, the embodiment provides a holographic hot stamping film, which includes a base film, a UV release layer, an imaging layer, a positioning printing layer, a plating layer and an adhesive layer, which are sequentially stacked from top to bottom; the upper surface of the imaging layer is provided with a holographic microstructure which forms a holographic positioning pattern. The holographic positioning pattern of the holographic bronzing film is positioned on the upper surface of the imaging layer, and when the holographic water transfer decal paper is prepared, the holographic microstructure of the holographic positioning pattern is positioned on the outermost surface of the decal paper, so that on one hand, the holographic positioning pattern cannot be covered by a coating, the holographic brightness is much higher than that of the traditional process, and better stereoscopic impression is provided in terms of vision and touch; on the other hand, the molding performance of the imaging layer is not required to be considered when the material of the imaging layer is selected, the selectable range is greatly improved, and the holographic water transfer printing paper with higher hardness and better heat resistance is favorably manufactured.
Furthermore, the positioning printing layer is provided with a printing pattern comprising at least two colors, and the printing pattern on the positioning printing layer and the holographic positioning pattern on the imaging layer are in sleeve position.
In the embodiment, the thickness of the imaging layer is 0.6-3 μm; the thickness of the positioning printing layer is 0.5-2 mu m; the thickness of the adhesive layer is 0.8-1.5 μm. The basement membrane is Shandong Fuwei FC512, and the thickness of the basement membrane is 12-19 mu m.
Specifically, the imaging layer of the embodiment is a thermosetting resin coating, and the glass transition temperature is 180-260 ℃. The imaging layer with high glass transition temperature has better temperature resistance, and is beneficial to keeping the brightness and the appearance of the holographic pattern unaffected in the high-temperature baking stage after water transfer printing. In a preferred embodiment of the present invention, the imaging layer is a thermosetting resin coating, and a part of high temperature reactive groups, such as polyhydroxy acrylic resin and isocyanate, can continue to react in a post-transfer baking stage (180-230 ℃), so as to further improve the hardness, scratch resistance and integrity of the holographic pattern, without causing defects such as loss of light, brightness attenuation and cracking of the holographic pattern when the conventional thermoplastic resin coating is baked at a high temperature.
In the embodiment, the depth of the holographic microstructure arranged on the imaging layer is 0.2-3 mu m, and the holographic microstructure is positioned on the outermost surface of the water transfer printing paper, so that better stereoscopic impression is provided in terms of vision and touch.
In this embodiment, the peeling value of the holographic hot stamping film is 0.1 to 1.0N/cm, that is, the peeling value of the UV release layer relative to the imaging layer is 0.1 to 1.0N/cm, and the UV release layer can be separated from the imaging layer during hot stamping/heat transfer.
In this embodiment, the plating layer is a metal aluminum layer or a transparent dielectric layer; the coating can increase the reflection effect of the holographic positioning pattern copied on the imaging layer and enhance the anti-counterfeiting effect.
Example 2
As shown in fig. 2-3, the embodiment provides a holographic water transfer decal paper, which comprises an imaging layer, a positioning printing layer, a plating layer, an adhesive layer and water transfer paper, which are sequentially stacked from top to bottom; the upper surface of the imaging layer is provided with a holographic microstructure which forms a holographic positioning pattern. The holographic microstructure is uniquely arranged on the outermost surface of the water transfer printing paper, so that the effect completely different from that of the traditional holographic water transfer printing paper is brought: in vision, the holographic pattern is clearer and has strong stereoscopic impression; in addition, as the holographic microstructure is arranged on the surface, the touch is accessible, the sense of touch is strong in stereoscopic impression, and better decoration and anti-counterfeiting performance are provided.
Optimally, the holographic water transfer decal further comprises a tearable film disposed on the imaging layer.
Furthermore, the positioning printing layer is provided with a printing pattern comprising at least two colors, and the printing pattern on the positioning printing layer and the holographic positioning pattern on the imaging layer are in sleeve position.
In the embodiment, the thickness of the imaging layer is 0.6-3 μm; the thickness of the positioning printing layer is 0.5-2 mu m; the thickness of the adhesive layer is 0.8-1.5 mu m; the basement membrane is Shandong Fuwei FC512, and the thickness of the basement membrane is 12-19 mu m; the coating is a metal aluminum layer or a transparent medium layer; the coating can increase the reflection effect of the holographic positioning pattern copied on the imaging layer and enhance the anti-counterfeiting effect; the depth of the holographic microstructure arranged on the imaging layer is 0.2-3 mu m, the holographic microstructure is positioned on the outermost surface of the water transfer printing paper, better stereoscopic impression is provided in the aspects of vision and touch, the imaging layer can be made of a thermosetting material with high glass transition temperature, better heat resistance and hardness can be achieved, the surface of the imaging layer is not required to be coated with protective gloss oil, the cost is reduced, and the process is simplified.
Example 3
As shown in fig. 1, this embodiment provides a method for preparing a holographic hot stamping film, including the following steps:
1) coating UV coating on the base film by using a UV mould press, and carrying out mould pressing and UV curing to obtain a UV release layer with a surface microstructure; the UV release layer comprises a first area and a second area, the first area forms a holographic positioning pattern, and a positioning cursor is formed in the second area;
2) coating the first area of the UV release layer to form an imaging layer, wherein the upper surface of the imaging layer is provided with a holographic microstructure, and the holographic microstructure forms a holographic positioning pattern; positioning printing is carried out on the imaging layer in a roll-to-roll mode to form a positioning printing layer, so that the manufacturing efficiency is obviously improved, and the positioning precision is favorably controlled;
3) and (3) evaporating a plating layer on the positioning printing layer, and then coating the plating layer to form a glue layer to obtain the holographic hot stamping film.
In the process, a UV molding press is adopted to coat UV coating on the base film, mold pressing and UV curing are carried out to obtain a UV release layer with holographic positioning patterns and positioning cursors on the upper surface, and then an imaging layer is coated on the holographic positioning patterns of the UV release layer to copy the microstructure, so that the microstructure of the holographic positioning patterns on the imaging layer is manufactured, hot molding is not needed, the problems that the coating is easy to stick to a plate, discolor and is not bright in mold pressing in the hot molding process are avoided, and the problem that the heat resistance of the hot molding coating is limited; and the holographic positioning pattern is made in a UV mould pressing mode, high-temperature mould pressing is not needed, the size stability is good, and the size precision of the hot stamping film is improved.
In the step 2), when the imaging layer is formed by coating, the stripping value between the UV release layer and the imaging layer is controlled to be 0.1-1.0N/cm, and the UV release layer can be separated from the imaging layer during hot stamping/heat transfer.
Preferably, in this embodiment, the positioning print layer is provided with a printed pattern including at least two colors, and the printed pattern on the positioning print layer and the holographic positioning pattern on the imaging layer are in registration.
Specifically, the UV coating in this embodiment contains an organosilicon modified acrylate resin and/or a silicone oil type auxiliary agent, and specifically, the UV coating includes the following components in parts by weight: 30-50 parts of polyurethane acrylate, 10-20 parts of organic silicon modified polyester acrylate, 30-50 parts of monomer, 3-6 parts of photoinitiator and 0-3 parts of auxiliary agent; wherein the monomer is one or more of monofunctional acrylate, difunctional acrylate and multifunctional acrylate, and the auxiliary agent is an organic silicon leveling agent. The crosslinking density and the surface characteristic of the UV release layer are controlled through the formula adjustment, so that the stripping value between the UV release layer and the imaging layer can be controlled, and the release layer plays a role. As a preferred embodiment, the UV coating comprises the following components in parts by weight: 40 parts of urethane acrylate, 15 parts of organic silicon modified polyester acrylate, 25 parts of difunctional acrylate, 15 parts of trifunctional acrylate, 5 parts of photoinitiator and 2 parts of organic silicon leveling assistant.
Example 4
As shown in fig. 2-3, this embodiment provides a method for preparing a holographic transfer printing paper film, including the following steps:
preparing a holographic hot stamping film by adopting the preparation method provided by the embodiment 3;
and (3) performing positioning hot stamping/heat transfer on the patterns on the prepared holographic hot stamping film to water transfer printing paper, and then stripping the base film and the UV release layer on the holographic hot stamping film.
The embodiment adopts the holographic thermoprinting film with unique structure, greatly simplifies the production flow, improves the production efficiency, and the prepared holographic water transfer printing stained paper has better decorative effect, higher precision and stronger stereoscopic impression in the two aspects of vision and touch.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A holographic thermoprinting film is characterized in that: the UV release film comprises a base film, a UV release layer, an imaging layer, a positioning printing layer, a plating layer and a glue layer which are sequentially stacked from top to bottom; the upper surface of the imaging layer is provided with a holographic microstructure, and the holographic microstructure forms a holographic positioning pattern.
2. The holographic hot stamping film of claim 1, wherein: the positioning printing layer is provided with printing patterns with at least two colors, and the printing patterns on the positioning printing layer and the holographic positioning patterns on the imaging layer are in sleeve position.
3. The holographic hot stamping film of claim 1, wherein: the thickness of the imaging layer is 0.6-3 mu m; the thickness of the positioning printing layer is 0.5-2 mu m; the thickness of the adhesive layer is 0.8-1.5 mu m.
4. The holographic hot stamping film of claim 1, wherein: the depth of the holographic microstructure on the imaging layer is 0.2-3 mu m.
5. The holographic hot stamping film of claim 1, wherein: the peeling value of the UV release layer relative to the imaging layer is 0.1-1.0N/cm.
6. The holographic water transfer printing paper is characterized in that: the printing device comprises an imaging layer, a positioning printing layer, a plating layer, a glue layer and water transfer printing paper which are sequentially stacked from top to bottom; the upper surface of the imaging layer is provided with a holographic microstructure, and the holographic microstructure forms a holographic positioning pattern.
7. The holographic water transfer decal paper according to claim 6, wherein: also included is a tear film disposed on the imaging layer.
8. The preparation method of the holographic hot stamping film is characterized by comprising the following steps of:
1) coating UV coating on the base film by using a UV mould press, and carrying out mould pressing and UV curing to obtain a UV release layer with a surface microstructure; the UV release layer comprises a first area and a second area, the first area forms a holographic positioning pattern, and a positioning cursor is formed in the second area;
2) coating the first area of the UV release layer to form an imaging layer, and then performing positioning printing on the imaging layer to form a positioning printing layer;
3) and (3) evaporating a plating layer on the positioning printing layer, and then coating the plating layer to form a glue layer to obtain the holographic hot stamping film.
9. The method for preparing a holographic hot stamping film as claimed in claim 8, wherein: the UV coating in the step 1) comprises the following components in parts by weight: 30-50 parts of polyurethane acrylate, 10-20 parts of organic silicon modified polyester acrylate, 30-50 parts of monomer, 3-6 parts of photoinitiator and 0-3 parts of auxiliary agent.
10. A preparation method of a holographic water transfer printing paper film is characterized by comprising the following steps:
preparing a holographic hot stamping film by the preparation method of claim 8;
and (3) performing positioning hot stamping/heat transfer on the patterns on the prepared holographic hot stamping film to water transfer printing paper, and then stripping the base film and the UV release layer on the holographic hot stamping film.
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Cited By (5)
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| CN111253819A (en) * | 2020-04-07 | 2020-06-09 | 广州四面体新材料科技有限公司 | High-wear-resistance matte low-release transfer photo-curing coating composition and preparation method thereof |
| CN111482342A (en) * | 2020-03-18 | 2020-08-04 | 杨志勇 | Printing-oil-free gold stamping film for water transfer printing low-temperature stained paper and preparation method thereof |
| CN111619256A (en) * | 2020-05-18 | 2020-09-04 | 安徽金彩防伪技术有限公司 | Water transfer printing holographic anti-counterfeiting stained paper and printing method thereof |
| CN112677669A (en) * | 2020-12-23 | 2021-04-20 | 苏州市深广印刷有限公司 | Holographic positioning accurate printing method |
| CN113602032A (en) * | 2021-08-10 | 2021-11-05 | 武汉华工图像技术开发有限公司 | High-temperature-resistant holographic gold stamping film, gold stamping plastic part and preparation method |
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| CN111253819A (en) * | 2020-04-07 | 2020-06-09 | 广州四面体新材料科技有限公司 | High-wear-resistance matte low-release transfer photo-curing coating composition and preparation method thereof |
| CN111619256A (en) * | 2020-05-18 | 2020-09-04 | 安徽金彩防伪技术有限公司 | Water transfer printing holographic anti-counterfeiting stained paper and printing method thereof |
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