CN112721518A - Thermal transfer film, preparation method and application - Google Patents
Thermal transfer film, preparation method and application Download PDFInfo
- Publication number
- CN112721518A CN112721518A CN202011581063.2A CN202011581063A CN112721518A CN 112721518 A CN112721518 A CN 112721518A CN 202011581063 A CN202011581063 A CN 202011581063A CN 112721518 A CN112721518 A CN 112721518A
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- China
- Prior art keywords
- layer
- transfer film
- holographic
- thermal transfer
- color printing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000002360 preparation method Methods 0.000 title abstract description 6
- 239000010410 layer Substances 0.000 claims abstract description 141
- 238000007639 printing Methods 0.000 claims abstract description 33
- 238000003825 pressing Methods 0.000 claims abstract description 18
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 17
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000004831 Hot glue Substances 0.000 claims abstract description 14
- 239000011247 coating layer Substances 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 9
- 238000007747 plating Methods 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 4
- 229920002799 BoPET Polymers 0.000 claims description 3
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 3
- 238000007738 vacuum evaporation Methods 0.000 claims description 3
- 239000003522 acrylic cement Substances 0.000 claims description 2
- 238000001771 vacuum deposition Methods 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 description 12
- 239000000853 adhesive Substances 0.000 description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000007723 die pressing method Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000010023 transfer printing Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- B44C1/1716—Decalcomanias provided with a particular decorative layer, e.g. specially adapted to allow the formation of a metallic or dyestuff layer on a substrate unsuitable for direct deposition
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/0005—Adaptation of holography to specific applications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/0005—Adaptation of holography to specific applications
- G03H2001/0055—Adaptation of holography to specific applications in advertising or decorative art
Abstract
The invention provides a thermal transfer film, a preparation method and application. A thermal transfer film comprising, in order: the holographic film comprises a base film layer, a release type mould pressing layer, a holographic layer, a dielectric layer, a color printing layer, an aluminum coating layer and a hot melt adhesive layer. The medium layer is arranged by a vacuum evaporation method, so that the holographic layer is protected from being filled with ink, the color pictures and texts of the color printing layer are not covered, and the aesthetic feeling of the heat transfer film is improved. The embossed cursor is molded while the holographic layer is arranged; when the color printing is set, the embossed cursor is printed for the second time, so that the positioning error between the holographic layer and the color printing layer is less than 0.5 mm.
Description
Technical Field
The invention belongs to the field of printing, and particularly relates to a thermal transfer film, a preparation method and application thereof.
Background
Self-adhesive labels and heat transfer film labels are two common surface decorations. The thermal transfer film label can transfer the decorative pattern on the thermal transfer printing to the surface of a decorated appliance through one-time heating to form a high-quality decorative film. The self-adhesive label is a composite material which uses paper, film or other special materials as the face material, uses silicon-coated protective paper as the base paper and is provided with an adhesive in the middle, and the composite material is processed into the self-adhesive label by printing, die cutting and the like, and is also called as the self-adhesive label.
The holographic printing is a processing mode of the label, the label prepared by the method can have an anti-counterfeiting function, is more attractive in form, and is popular with merchants and consumers. In order to perform holographic printing, the label needs to have a certain thickness and heat resistance. Therefore, in the common technology, holographic printing is usually arranged on the self-adhesive label, and the holographic printing layer is difficult to arrange on the thermal transfer film due to the thin thickness of the thermal transfer film.
The adhesive label with holographic pattern is produced through molding, holographic electroplating, aligning, pattern printing and final production. Or firstly, pattern printing is carried out on the fabric, after drying by distillation, holographic printing is carried out, and finally film coating is carried out to form the self-adhesive label. The production process of the self-adhesive label has the disadvantages of high cost, high loss, large adhesive applying amount of the self-adhesive label and influence on the environment. There are few reports of applying holographic technology directly to heat transfer film labels to enhance aesthetics.
Disclosure of Invention
The present invention is directed to solving at least one of the above problems in the prior art. To this end, the first aspect of the present invention provides a thermal transfer film, in which a hologram layer can be directly disposed thereon because a release molding layer has a certain thickness and heat resistance, thereby forming a thermal transfer film having a hologram pattern.
The second aspect of the invention provides a preparation method of a thermal transfer film, and the aesthetic feeling of the thermal transfer film is improved by arranging the medium layer with consistent thickness and very thin thickness by using an evaporation method.
A third aspect of the invention provides a use of a thermal transfer film.
A thermal transfer film comprising, in order: the holographic film comprises a base film layer, a release type mould pressing layer, a holographic layer, a dielectric layer, a color printing layer, an aluminum coating layer and a hot melt adhesive layer.
According to some embodiments of the invention, the base film layer is a PET film with a thickness of 12 μm to 36 μm.
According to some preferred embodiments of the present invention, the surface corona value of the base film layer is 38dyn to 42 dyn.
According to some preferred embodiments of the present invention, the base film layer, which is not corona-treated, may cause an excessively large corona value and thus an excessively tight bonding between the base film layer and the release molding layer, and thus may cause problems in that the pattern is not completely transferred during the heat transfer process, which may affect the appearance.
According to some embodiments of the invention, the release molded layer is a composite layer of a release layer and a molded coating.
According to some embodiments of the invention, the release molding layer, the composition of which includes an acrylic resin.
According to some embodiments of the invention, the release molding layer has a thickness of 1 μm to 2 μm.
The release molding layer can be separated from the base film layer after being heated.
The release molding layer has certain thickness and temperature resistance, namely the release molding layer has moldability, so that the holographic layer can be arranged on the surface of the release molding layer in a molding way.
According to some embodiments of the present invention, the dielectric layer is made of ZnS.
According to some embodiments of the invention, the dielectric layer has a thickness of
According to some embodiments of the invention, the dielectric layer is only thick
Therefore, the transparent printing layer can not be covered; meanwhile, the cut-off layer can also protect the holographic layer from being filled with the color printing layer ink.
According to some embodiments of the invention, the aluminum plating layer has a thickness of
According to some embodiments of the invention, the aluminum-plated layer can make the pattern on the thermal transfer film have metallic luster, and improve brightness and stereoscopic impression.
According to some embodiments of the present invention, the hot melt adhesive layer is made of thermoplastic polyurethane or acrylic adhesive and has a thickness of 0.5 μm to 2.0 μm.
According to some embodiments of the invention, the thickness of the hot melt adhesive layer is 0.5 μm to 2.0 μm.
According to some embodiments of the present invention, the hot melt adhesive is non-tacky at normal temperature and has a tack when heated to 180 to 200 ℃, so that pattern transfer on the thermal transfer film can be completed.
A method for preparing a thermal transfer film, comprising the steps of:
s1, coating a release type mould pressing layer on a base film layer;
s2, arranging a holographic layer and an embossment cursor on the surface of the release mold pressing layer;
s3, arranging a medium layer on the surface of the holographic layer;
s4, after the embossed cursor obtained in the step S2 is printed, and the corresponding position is achieved, a color printing layer is arranged on the surface of the medium layer;
s5, arranging an aluminum plating layer on the surface of the color printing layer;
and S6, arranging a hot-melt adhesive layer on the surface of the aluminum-plated layer.
According to some embodiments of the present invention, in step S2, the holographic pressing layer is disposed by: and pressing the holographic image on the release mold pressing layer by adopting a stamping nickel plate within the temperature range of 160-220 ℃.
According to some embodiments of the invention, in step S3, the method for disposing the dielectric layer is vacuum evaporation.
The dielectric layer is arranged by a vacuum evaporation method, and the thickness is uniform, so that the pattern of the holographic layer cannot be damaged, and the aesthetic feeling of the pattern on the thermal transfer film is further improved.
According to some embodiments of the present invention, in step S4, the color printed layer is disposed in a gravure or flexo printing manner.
According to some embodiments of the invention, in step S4, the error of the corresponding position is < 0.5 mm.
According to some embodiments of the present invention, in step S5, the aluminum plating layer is provided by vacuum evaporation: heating the aluminum in the evaporation boat to 1400-1600 ℃ to form aluminum vapor which is uniformly attached to the surface of the color printing layer.
An application of a heat transfer film in the decoration field.
An application of the heat transfer film in glass, ceramics and metal appliances.
The application comprises adhering a hot melt adhesive layer of a transferable film to an appliance at 180-220 ℃, applying pressure to transfer a desired pattern to the appliance, and simultaneously separating the base film layer from the release molded layer.
The hot melt adhesive layer can have viscosity after being heated; and the release molding layer can be separated from the base film layer after being heated, so that the transfer of the pattern on the thermal transfer film to the surface of the device can be completed.
The base film layer can be repeatedly utilized after being separated, so that raw materials are further saved, and the preparation cost of the thermal transfer film is reduced.
Compared with the prior art, the invention has at least the following beneficial effects.
(1) The dielectric layer is arranged by the vacuum evaporation method, and the thickness is uniform and thin, so that the holographic layer is protected from being filled with ink, the color pictures and texts of the rear color printing layer are not covered, the patterns of the holographic layer are not damaged, and the aesthetic feeling of the heat transfer film is improved.
(2) The embossed cursor is molded while the holographic layer is arranged; when the color printing is set, the embossed cursor is printed for the second time, so that the positioning error between the holographic layer and the color printing layer is less than 0.5 mm.
(3) In the heat transfer film provided by the invention, the release type mould pressing layer is selected to have a certain thickness and can resist temperature, so that holographic pictures and texts can be directly arranged on the release type mould pressing layer, and the holographic technology can be directly used on the heat transfer film.
(4) After the thermal transfer membrane provided by the invention is applied, the separated base membrane layer can be recycled, and the cost is reduced.
Drawings
Fig. 1 is a schematic view of the structure of the thermal transfer film obtained in example 1.
Description of the figure numbers:
100. a base film layer; 200. a release mold pressing layer; 300. a holographic layer; 400. a dielectric layer; 500. a color printing layer; 600. plating an aluminum layer; 700. a hot melt adhesive layer.
Detailed Description
The following are specific examples of the present invention, and the technical solutions of the present invention will be further described with reference to the examples, but the present invention is not limited to the examples.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, if there are first, second, third, etc. described only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplicity of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly defined, terms such as arrangement, installation, connection and the like should be broadly understood, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Example 1
The embodiment of the method for preparing the thermal transfer film specifically comprises the following steps:
s1, coating a release type mould pressing layer with the thickness of 2 microns on a PET film by using a coating machine, wherein the release type mould pressing layer has peelability, can be separated from the PET base film, and also has moldability and can mould holographic pictures and texts;
s2, pressing the holographic image on a release type mould pressing layer by adopting a stamping nickel plate (purchased from Zhuhairuiming science and technology Co., Ltd.) at the temperature of 180 +/-5 ℃, and simultaneously setting a relief cursor;
s3, arranging ZnS with the thickness of 300 meters adjacent to the surface of the die pressing holographic layer as a dielectric layer by a vacuum evaporation method;
s4, adopting a flexible printing method, and arranging a color printing layer on the surface of the medium layer, wherein the color printing layer needs to correspond to the holographic layer in position, and the corresponding method comprises the following steps: when the flexible printing is carried out, the embossed cursor obtained in the step S2 is printed; making the error between the holographic layer obtained in the step S2 and the color printing layer less than or equal to 0.5 mm;
s5, heating aluminum serving as a raw material to 1400 ℃ to form aluminum steam, and setting the thickness of aluminum on the surface of the color printing layer by using an evaporation method
The aluminum plating layer of (2);
s6, arranging a hot melt adhesive layer with the thickness of 0.5 mu m and made of thermoplastic polyurethane on the surface of the aluminum plating layer.
The schematic structure of the thermal transfer film obtained in this example is shown in FIG. 1, in which
100 denotes a base film layer;
200 denotes a release molding layer;
300 denotes a hologram layer;
400 denotes a dielectric layer;
500 denotes a color printed layer;
600 denotes an aluminum plating layer;
700 denotes a hot melt adhesive layer.
The present invention has been described in detail with reference to the embodiments, but the present invention is not limited to the embodiments described above, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. A thermal transfer film, comprising, arranged in order: the holographic film comprises a base film layer, a release type mould pressing layer, a holographic layer, a dielectric layer, a color printing layer, an aluminum coating layer and a hot melt adhesive layer.
2. The heat transfer film according to claim 1, wherein the base film layer is a PET film having a thickness of 12 to 36 μm.
3. The thermal transfer film according to claim 1, wherein the release molded layer is a composite layer of a release layer and a molded coating layer.
4. The thermal transfer film of claim 1, wherein the dielectric layer is comprised of ZnS and has a thickness of
5. The thermal transfer film of claim 1, wherein the aluminum plating layer is thick to the extent of
6. The heat transfer film according to claim 1, wherein the hot melt adhesive layer is made of thermoplastic polyurethane or acrylic adhesive and has a thickness of 0.5 μm to 2.0 μm.
7. A method for producing a thermal transfer film according to any one of claims 1 to 6, comprising the steps of:
s1, coating a release type mould pressing layer on a base film layer;
s2, arranging a holographic layer and an embossment cursor on the surface of the release mold pressing layer;
s3, arranging a medium layer on the surface of the holographic layer;
s4, after the embossed cursor obtained in the step S2 is printed, and the corresponding position is achieved, a color printing layer is arranged on the surface of the medium layer;
s5, arranging an aluminum plating layer on the surface of the color printing layer;
and S6, arranging a hot-melt adhesive layer on the surface of the aluminum-plated layer.
8. The method according to claim 7, wherein in step S3, the dielectric layer is deposited by vacuum evaporation.
9. The method according to claim 7, wherein in step S4, the corresponding position has an error of < 0.5 mm.
10. Use of the thermal transfer film according to any one of claims 1 to 6 in a decorative material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011581063.2A CN112721518A (en) | 2020-12-28 | 2020-12-28 | Thermal transfer film, preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011581063.2A CN112721518A (en) | 2020-12-28 | 2020-12-28 | Thermal transfer film, preparation method and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112721518A true CN112721518A (en) | 2021-04-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011581063.2A Pending CN112721518A (en) | 2020-12-28 | 2020-12-28 | Thermal transfer film, preparation method and application |
Country Status (1)
| Country | Link |
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| CN (1) | CN112721518A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115056585A (en) * | 2022-06-15 | 2022-09-16 | 云南侨通包装印刷有限公司 | Printing method of holographic true color on package |
| CN115674943A (en) * | 2021-07-28 | 2023-02-03 | 深圳市裕同包装科技股份有限公司 | Transfer film and method for manufacturing same |
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| JPH09160475A (en) * | 1995-12-08 | 1997-06-20 | Mitsubishi Shindoh Co Ltd | Hologram transfer sheet and holography display |
| CN202517861U (en) * | 2012-01-06 | 2012-11-07 | 上海密特印刷有限公司 | Holographic pattern transfer film |
| CN103770492A (en) * | 2014-01-14 | 2014-05-07 | 汕头市龙湖昌丰化工有限公司 | Method for manufacturing transfer film and transfer aluminum-plating paper |
| CN206493728U (en) * | 2017-01-23 | 2017-09-15 | 苏州万德福尔镭射激光科技有限公司 | A kind of transparent radium-shine thermal transfer film for cloth |
| CN209159204U (en) * | 2018-11-07 | 2019-07-26 | 武汉华工图像技术开发有限公司 | A kind of anti-fake blocking film of color hologram and colored anti-counterfeit package box |
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2020
- 2020-12-28 CN CN202011581063.2A patent/CN112721518A/en active Pending
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| JPH09160475A (en) * | 1995-12-08 | 1997-06-20 | Mitsubishi Shindoh Co Ltd | Hologram transfer sheet and holography display |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115674943A (en) * | 2021-07-28 | 2023-02-03 | 深圳市裕同包装科技股份有限公司 | Transfer film and method for manufacturing same |
| CN115674943B (en) * | 2021-07-28 | 2024-05-03 | 深圳市裕同包装科技股份有限公司 | Transfer film and method for producing same |
| CN115056585A (en) * | 2022-06-15 | 2022-09-16 | 云南侨通包装印刷有限公司 | Printing method of holographic true color on package |
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