CN114228363B - Manufacturing method of transfer printing film with optical positioning - Google Patents
Manufacturing method of transfer printing film with optical positioning Download PDFInfo
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- CN114228363B CN114228363B CN202111546811.8A CN202111546811A CN114228363B CN 114228363 B CN114228363 B CN 114228363B CN 202111546811 A CN202111546811 A CN 202111546811A CN 114228363 B CN114228363 B CN 114228363B
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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
- 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
- B41M1/10—Intaglio printing ; Gravure printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/06—Veined printings; Fluorescent printings; Stereoscopic images; Imitated patterns, e.g. tissues, textiles
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Textile Engineering (AREA)
- Vascular Medicine (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
Abstract
The invention relates to a method for manufacturing a transfer printing film with optical positioning.
Description
Technical Field
The invention relates to the field of composite film manufacturing, in particular to a manufacturing method of a transfer film with optical positioning.
Background
Most products on the market at present have patterns, and aiming at the printing of the patterns of the products, the prior technical scheme is to adopt a thermal transfer printing technology, and the traditional thermal transfer printing technology is based on directly transferring the patterns printed in full page onto an object and only can ensure that the products adapt to the sizes of the patterns; at present, most of heat transfer films are only universal plate printing patterns or transfer films which are only provided with printing patterns and designed according to transfer products, if optical textures are required to be applied to the patterns, the conventional method is that the transfer films with the through plate optical textures are directly covered on the through plate printing patterns, the alignment of the optical textures and the printing patterns cannot be realized, and the achieved visual effect is poor.
The conventional transfer printing film is manufactured by the following steps: coating a base film with a release agent, printing a printing layer on the base film, and coating transfer glue on the printed base film; then, closely attaching the transfer glue to the transferred object to form a whole through thermal transfer printing, and then peeling the base film through the action of a release agent;
in addition, if optical texture transfer printing is required to be carried out on the pattern, the transfer printing belongs to full-page printing, the transfer printing is carried out for the laser effect of a non-positioned through plate, the same texture and printing cannot be aligned, the pattern effect is poor, and the impression of a user is reduced.
Disclosure of Invention
The purpose of the invention is: the manufacturing method of the transfer printing film with the optical positioning solves the problems that the existing transfer printing film manufactured by the whole plate printing of the thermal transfer printing and the optical texture can not realize the alignment of the printing pattern and the optical texture, has poor pattern effect and poor impression of a user.
The technical solution of the invention is as follows: the manufacturing method of the transfer printing film with the optical positioning is characterized by comprising the following steps:
coating a release layer on a base film;
coating medium oil for hot-pressing optical textures on a micro-concave coating machine, and pre-coating the medium oil for the hot-pressing optical textures on a base film through a micro-concave coating machine;
thirdly, manufacturing a printing plate file, and inputting the manufactured printing plate file into a printing machine;
step four, printing a pattern to be printed and printing positioning points which are arranged on a printing plate on a base film of pre-coated hot-pressed optical texture medium oil through a printing machine;
fifthly, manufacturing an optical texture version file with optical texture positioning points, inputting the manufactured optical texture version file into a photoetching machine, and directly photoetching a photoetching offset plate with the optical texture positioning points;
step sixthly, electroforming a texture nickel plate capable of being subjected to optical hot pressing by using a photoetching offset plate as a master plate;
step-wise, coating the base film treated in step four with hot-press optical texture medium oil again;
mounting the photoetching offset plate processed in the step fifthly on a texture hot press, placing the base film processed in the step rears into the texture hot press for texture transfer, completing the alignment of a printing positioning point and an optical texture positioning point through a CCD positioning electric eye under the heating operation of a machine, and transferring the optical texture to the surface of the base film;
the step of self-care is that the base film after the step of optical texture transfer treatment is put on a winding type vacuum coating machine for electroplating, and an electroplated layer is formed on the surface;
step one, the basic film subjected to the self-polishing treatment is subjected to aluminum washing, so that the thermal transfer non-pattern part is converted into a transparent film state;
and step four, coating a glue layer on the surface of the base film, which is the first step, to complete the manufacture of the transfer film with optical positioning.
Preferably, the method comprises the following steps: the method for coating the release layer comprises the following steps of selecting one of the following two methods:
a. printing a release agent on a gravure press, and coating a release layer on the base film through the gravure press;
b. coating a parting agent on a coating machine with a drying channel, coating a parting layer on the base film through the coating machine, and drying.
Preferably, the method comprises the following steps: in the step three, the file plate making method of the printing plate comprises the following steps:
(3.1) selecting a pattern to be printed;
(3.2) determining the plate size and the layout seaming direction of the printing plate, and selecting the jump distance between two adjacent groups of patterns according to the roller surface perimeter of the printing plate roller;
(3.3) establishing a page frame, wherein the page frame is established according to the perimeter of the roller surface of the printing plate roller and the axial length of the roller shaft, the length of the page frame is 20mm longer than the perimeter of the roller surface, and the width of the page frame is 20mm longer than the axial length of the roller shaft;
(3.4) drawing a rectangular frame in the page frame, wherein the length of the rectangular frame is equal to the perimeter of the roller surface, and the width of the rectangular frame is equal to the axial length of the roller shaft;
(3.5) guiding the pattern to be printed into the rectangular frame, and respectively arranging printing positioning points at four corners of the page frame;
and (3.6) exporting the pattern to be printed and the printing positioning points to a printing plate to complete plate making of the printing plate file.
Preferably, the method comprises the following steps: in the step fifthly, the method for making the optical texture plate comprises the following steps:
(5.1) determining the plate size and the plate mouth biting direction of the optical texture plate, and establishing a page frame;
(5.2) respectively establishing rectangular frames with the same size at the positions corresponding to the patterns of the printing plate;
(5.3) respectively leading in the set optical texture shape in each rectangular frame, and setting optical texture positioning points at four corners of the page frame;
and (5.4) finishing the optical texture edition file and inputting the optical texture edition file into a photoetching machine.
Preferably, the method comprises the following steps: the step sixteenth, an electroforming method of a texture nickel plate, comprising the following steps:
(6.1) sensitizing the surface of the photoetching offset plate;
(6.2) carrying out chemical silvering treatment on the surface of the photoetching offset plate;
(6.3) placing the photoresist plate into an electroforming tank for electroforming nickel, and taking out the nickel layer from the tank liquor after the nickel layer reaches a set thickness on the surface of the silver layer;
(6.4) peeling off the nickel layer from the photoresist plate, and cleaning the residual photosensitive layer on the nickel layer by using sodium hydroxide to form the texture nickel plate.
Preferably, the method comprises the following steps: the step is that the aluminum washing of the base film is selected by one of the following two methods:
a. washing with water: printing water-soluble aluminum washing ink on the part to be washed with aluminum before electroplating, washing with clear water after electroplating, and drying;
b. alkali washing: and printing protective oil on the part, which does not need to be washed, of the electroplated layer after electroplating to form a protective layer, soaking the transfer film printed with the protective layer in an alkaline solution, directly performing chemical reaction on the electroplated aluminum layer through an alkaline solution to finish alkaline washing, and washing the part, which needs to be washed, of the aluminum layer clean and then drying the part.
Preferably, the method comprises the following steps: after the step of self-supporting electroplating and the step of aluminum washing are finished, a protective layer is coated on the electroplated layer by a gravure press, and then a glue layer is coated by the step of self-supporting electroplating.
Preferably, the method comprises the following steps: the method for coating the glue layer in the step is selected from the following two methods:
a. printing transfer printing glue on a gravure press, and coating a glue layer on an electroplated layer of the base film through the gravure press;
b. coating transfer-printing glue on a coating machine with a drying channel, coating a glue layer on an electroplated layer of the base film through the coating machine, and drying.
Compared with the prior art, the invention has the beneficial effects that:
the transfer printing film manufactured by the technical scheme can obtain perfectly combined printing patterns or laser patterns through the accurate positioning of the printing plate and the optical texture plate, and simultaneously, the patterns can present stereoscopic impression and space impression under the setbacks of different optical texture plates, so that the patterns are more vivid;
the base film is precoated with the optical texture medium oil before the printing of the printing plate, and the printed base film is coated with the optical texture medium oil again and then subjected to optical texture transfer, so that the advantages of increased thickness, increased optical texture depth and better texture effect can be achieved, and in addition, the base film can be uniformly stressed when the release layer is stripped, so that the separation effect is better; after the release layer is stripped, a certain protection effect is formed on the printing layer, and the hardened optical texture finger guard oil can form a certain protection effect, so that the patterns of the printing layer cannot be easily scratched;
meanwhile, the printing plate file and the optical texture plate file are respectively manufactured and are aligned through positioning points, the size and the shape of the patterns can be designed according to the size of a product, different optical texture patterns can be correspondingly selected and added according to different patterns, the pattern effect is improved, and the impression of a user is improved.
Detailed Description
The present invention will be described in detail with respect to preferred embodiments so that the advantages and features of the invention may be more readily understood by those skilled in the art, and the scope of the invention will be more clearly defined:
the invention provides a method for manufacturing a transfer printing film with optical positioning, which specifically comprises the following steps:
coating a release layer on a base film;
coating medium oil of hot-pressing optical textures on a micro-concave coating machine, and pre-coating the medium oil of the hot-pressing optical textures on a base film through the micro-concave coating machine;
step three, manufacturing a printing plate file, and inputting the manufactured printing plate file into a printing machine;
step four, printing a pattern to be printed and printing positioning points on the printing plate on a base film precoated with hot-pressing optical texture medium oil through a printing machine;
fifthly, manufacturing an optical texture version file with optical texture positioning points, inputting the manufactured optical texture version file into a photoetching machine, and directly photoetching a photoetching offset plate with the optical texture positioning points;
step sixthly, electroforming a texture nickel plate capable of being subjected to optical hot pressing by using a photoetching offset plate as a master plate;
step-four, coating the base film treated in step four with hot-press optical texture medium oil again;
mounting the photoetching offset plate processed in the step fifthly on a texture hot press, placing the base film processed in the step rears into the texture hot press for texture transfer, completing the alignment of a printing positioning point and an optical texture positioning point through a CCD positioning electric eye under the heating operation of a machine, and transferring the optical texture to the surface of the base film;
the step of self-care is that the base film after the step of optical texture transfer treatment is put on a winding type vacuum coating machine for electroplating, and an electroplated layer is formed on the surface;
step one, the basic film subjected to the self-polishing treatment is subjected to aluminum washing, so that the thermal transfer non-pattern part is converted into a transparent film state;
the transfer printing method comprises the following steps of finishing the first step, coating a glue layer on the surface of the base film, and finishing the manufacture of the transfer printing film with the optical positioning.
The base film adopted in the step can select ABS, AS, PC, PS, PET, PP, acrylic and PVC films with the thickness of 5-50 mu m AS materials, the coating thickness of a release layer on the base film is 1-3 mu m, and the method for coating the release layer on the base film is selected by one of the following two methods:
a. printing a release agent on a gravure press, and coating a release layer on the base film through the gravure press;
b. coating a parting agent on a coating machine with a drying channel, coating a parting layer on the base film through the coating machine, and drying.
When the scheme b is selected, the temperature is set to be 50-160 ℃, and the running speed of the drying channel is 40-200 m/min.
The method comprises the following steps that the base film is coated with the hot-pressing optical texture medium oil on a dimple coating machine, the coating speed is 30-200 m/min, the coating thickness is 1-5 mu m, and after coating is completed, drying is carried out in a drying channel of 80-160 degrees, so that the separation stress of the release layer is more uniform after the transfer film is transferred to a corresponding object, and the achieved separation effect is better; secondly, the hot-pressing optical texture medium oil can achieve a brighter effect during the hot pressing of subsequent textures; moreover, the hot-pressing optical texture medium oil has certain hardness, and can form certain protection on the surface of the printing layer and the surface of the optical texture layer after release.
The file plate making method of the printing plate in the step three specifically comprises the following steps:
(3.1) selecting a pattern to be printed according to the requirement of a product;
(3.2) determining the plate size and the layout seaming direction of the printing plate, and selecting the jump distance between two adjacent groups of patterns according to the roller surface perimeter of the printing plate roller;
(3.3) establishing a page frame, wherein the page frame is established according to the perimeter of the roller surface of the printing plate roller and the axial length of the roller shaft, the length of the page frame is 20mm longer than the perimeter of the roller surface, and the width of the page frame is 20mm longer than the axial length of the roller shaft;
(3.4) drawing a rectangular frame in the page frame, wherein the length of the rectangular frame is equal to the perimeter of the roller surface, and the width of the rectangular frame is equal to the axial length of the roller shaft;
(3.5) adjusting the pattern to be printed to be matched with the size of the product to be transferred, guiding the pattern into the rectangular frame, and respectively arranging printing positioning points at four corners of the page frame;
and (3.6) exporting the pattern to be printed and the printing positioning points to a printing plate to complete plate making of the printing plate file.
The method comprises the steps of importing a manufactured printing plate file into CTP laser output equipment software, setting corresponding parameters according to the size of a printing plate roller, outputting a file mirror image required by a printing film, enabling a net point to be a frequency modulation net, placing the printing plate into output equipment to expose after accuracy is achieved, automatically popping the exposed printing plate, placing the printing plate into a plate developing machine to develop, completing plate making of the printing plate, and then printing the pattern and the printing positioning points in the step four.
In the step fifthly, the method for making the optical texture plate comprises the following steps:
(5.1) determining the plate size and the plate mouth biting direction of the optical texture plate, and establishing a page frame;
(5.2) respectively establishing rectangular frames with the same size at the positions corresponding to the patterns of the printing plate;
(5.3) respectively leading in the set optical texture shape in each rectangular frame, and setting optical texture positioning points at four corners of the page frame;
and (5.4) finishing the optical texture edition file and inputting the optical texture edition file into a photoetching machine.
The optical texture shape mainly takes geometric patterns as main parts, refraction texture lines are manufactured by generally adopting parallel lines and sine lines, the line angle is arranged between 45 degrees and 60 degrees or between 120 degrees and 135 degrees, and the thickness of the texture lines is matched with the distance between the lines and the observation distance. The lines are generally set to 0.00002 to 0.06mm, and the line pitch is equivalent to the line thickness.
The sixth step is an electroforming method of a texture nickel plate, which comprises the following steps:
(6.1) sensitizing the surface of the photoetching offset plate;
(6.2) carrying out chemical silvering treatment on the surface of the photoetching offset plate;
(6.3) putting the photoetching offset plate into an electroforming soft groove for electroforming nickel treatment, and taking out the nickel layer from the groove solution after the nickel layer reaches a set thickness on the surface of the silver layer;
(6.4) after the nickel layer was peeled off from the plate, the residual photosensitive layer on the nickel layer was washed with sodium hydroxide to form a textured nickel plate.
The thickness of the texture nickel plate is 50-300 mu m; the formula of the electroplating soft tank comprises: 300 to 800g/L of nickel sulfamate, 1 to 9g/L of nickel chloride, 5 to 400g/L of boric acid, 0.01 to 1g/L of sodium dodecyl sulfate and 0.01 to 1g/L of saccharin sodium, wherein the temperature of an electroplating soft tank is set to be 30 to 80 ℃, the current density is 1 to 9A/dm < 2 >, and the pH value is 3 to 7.
In order to prevent the texture nickel plate from being damaged in the subsequent process, after the electroforming of the texture nickel plate is carried out, the texture mould pressing plate is further manufactured through the texture nickel plate, and the specific manufacturing method is as follows:
(1) passivating the texture nickel plate;
(2) placing the texture nickel plate after passivation treatment into an electroforming hard tank for electroforming nickel treatment, and taking out the texture nickel plate from the tank liquor after the nickel layer reaches a set thickness;
(3) and stripping the nickel layer from the photoresist plate, and cleaning the residual photosensitive layer on the nickel layer by using sodium hydroxide to form the texture molded plate.
The thickness of the texture mould pressing plate is 30-300 mu m.
The electroplating hard tank and the electroplating soft tank have basically the same components, but the difference lies in that the mass concentration of saccharin sodium in the electroplating hard tank is about 0.02-0.1 g/L, the hardness of the texture nickel plate manufactured in the electroplating soft tank is lower than that of the texture mould pressing plate manufactured in the electroplating hard tank, but the requirement on the hardness is not high because the master plate is not directly used for mould pressing.
The specific processing method for passivating the texture nickel plate comprises the following steps: and (4) soaking the hanging tool attached with the master plate into the passivation solution, shaking up and down for 30s, taking out and washing. In order to prevent the hexavalent chromium chestnut in the passivation solution from damaging the bath solution, the texture nickel plate must be washed clean after the passivation is finished.
The passivation solution consists of 10-50 g/L potassium dichromate, and the pH value of the passivation solution is adjusted to 2-7 by using 3-8% potassium hydroxide solution.
The step is that the aluminum washing of the base film is selected by one of the following two methods:
a. washing with water: printing water-soluble aluminum washing ink on the part to be washed with aluminum before electroplating, washing with clear water after electroplating, and drying;
b. alkali washing: and printing protective oil on the part of the electroplated layer which does not need to be washed with aluminum after electroplating to form a protective layer, soaking the transfer film printed with the protective layer in alkaline solution, directly carrying out chemical reaction on the electroplated aluminum layer through alkaline solution to finish alkaline washing, and washing and drying the position needing to be washed with aluminum.
After the step of self-supporting electroplating and the step of aluminum washing are finished, a protective layer is coated on the electroplated layer by a gravure press, and then a glue layer is coated by the step of self-supporting electroplating.
The method for coating the glue layer in the step is selected from the following two methods:
a. printing transfer printing glue on a gravure press, and coating a glue layer on an electroplated layer of the base film through the gravure press;
b. coating transfer-printing glue on a coating machine with a drying channel, coating a glue layer on an electroplated layer of the base film through the coating machine, and drying.
After the transfer printing film obtained through the steps is heated and transferred through a transfer printing machine, transfer glue is tightly attached to a transfer printing surface of a product to form a whole, meanwhile, the base film is separated from the transferred layer due to the action of a release agent, the printing layer and the optical texture layer are transferred to the surface of the product to form the transfer printing product with the optical texture and the printing pattern, under the contrast of the optical texture, the printing pattern on the surface of the transfer printing product has strong stereoscopic impression and space impression, and the image is vivid.
The above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.
Claims (8)
1. A manufacturing method of a transfer printing film with optical positioning is characterized by comprising the following steps:
coating a release layer on a base film;
coating medium oil of hot-pressing optical textures on a micro-concave coating machine, and pre-coating the medium oil of the hot-pressing optical textures on a base film through the micro-concave coating machine;
step three, manufacturing a printing plate file, and inputting the manufactured printing plate file into a printing machine;
step four, printing a pattern to be printed and printing positioning points on the printing plate on a base film precoated with hot-pressing optical texture medium oil through a printing machine;
step fifthly, manufacturing an optical texture version file with the optical texture positioning points, inputting the manufactured optical texture version file into a photoetching machine, and directly photoetching the photoetching offset plate with the optical texture positioning points;
step sixthly, electroforming a texture nickel plate capable of being subjected to optical hot pressing by using a photoetching offset plate as a master plate;
step-wise, coating the base film treated in step four with hot-press optical texture medium oil again;
mounting the photoetching offset plate processed in the step fifthly on a texture hot press, placing the base film processed in the step rears into the texture hot press for texture transfer, completing the alignment of a printing positioning point and an optical texture positioning point through a CCD positioning electric eye under the heating operation of a machine, and transferring the optical texture to the surface of the base film;
the step of self-care is that the base film after the step of optical texture transfer treatment is put on a winding type vacuum coating machine for electroplating, and an electroplated layer is formed on the surface;
step one, the basic film subjected to the self-polishing treatment is subjected to aluminum washing, so that the thermal transfer non-pattern part is converted into a transparent film state;
and step four, coating a glue layer on the surface of the base film, which is the first step, to complete the manufacture of the transfer film with optical positioning.
2. The method for manufacturing a transfer film with optical positioning according to claim 1, characterized in that the method for coating the release layer in the step of transferring is one of the following two methods:
a. printing a release agent on a gravure press, and coating a release layer on the base film through the gravure press;
b. coating a parting agent on a coating machine with a drying channel, coating a parting layer on the base film through the coating machine, and drying.
3. The method of manufacturing an optically positioned transfer film according to claim 1, wherein in the step three, the method of making a document from a printing plate comprises the steps of:
(3.1) selecting a pattern to be printed;
(3.2) determining the plate size and the layout seaming direction of the printing plate, and selecting the jump distance between two adjacent groups of patterns according to the roller surface perimeter of the printing plate roller;
(3.3) establishing a page frame, and establishing the page frame according to the roller surface perimeter and the roller shaft length of the printing plate roller, wherein the length of the page frame is 20mm longer than the roller surface perimeter, and the width of the page frame is 20mm longer than the roller shaft length;
(3.4) drawing a rectangular frame in the page frame, wherein the length of the rectangular frame is equal to the perimeter of the roller surface, and the width of the rectangular frame is equal to the axial length of the roller shaft;
(3.5) guiding the pattern to be printed into the rectangular frame, and respectively arranging printing positioning points at four corners of the page frame;
and (3.6) exporting the pattern to be printed and the printing positioning points to a printing plate to complete plate making of the printing plate file.
4. The method for manufacturing the transfer film with the optical positioning function according to claim 1, wherein the step of fifthly, the method for making the optical texture plate includes the following steps:
(5.1) determining the plate size and the plate mouth seaming direction of the optical texture plate, and establishing a page frame;
(5.2) respectively establishing rectangular frames with the same size at the positions corresponding to the patterns of the printing plate;
(5.3) respectively leading in the set optical texture shape in each rectangular frame, and setting optical texture positioning points at four corners of the page frame;
and (5.4) finishing the optical texture version file and inputting the optical texture version file into a photoetching machine.
5. The method for manufacturing the transfer film with the optical positioning function according to claim 1, wherein in the step sixteenth, the method for electroforming the textured nickel plate includes the following steps:
(6.1) sensitizing the surface of the photoetching offset plate;
(6.2) carrying out chemical silvering treatment on the surface of the photoetching offset plate;
(6.3) placing the photoetching offset plate into an electroforming groove for nickel electroforming treatment, and taking out the photoetching offset plate from the groove solution after the nickel layer reaches a set thickness on the surface of the silver layer;
(6.4) after the nickel layer was peeled off from the plate, the residual photosensitive layer on the nickel layer was washed with sodium hydroxide to form a textured nickel plate.
6. The method for manufacturing the transfer printing film with the optical positioning function according to claim 1, wherein the step of washing the base film with aluminum is selected from the following two methods:
a. washing with water: printing water-soluble aluminum washing ink on the part to be washed with aluminum before electroplating, washing with clear water after electroplating, and drying;
b. alkali washing: and printing protective oil on the part, which does not need to be washed, of the electroplated layer after electroplating to form a protective layer, soaking the transfer film printed with the protective layer in an alkaline solution, directly performing chemical reaction on the electroplated aluminum layer through an alkaline solution to finish alkaline washing, and washing the part, which needs to be washed, of the aluminum layer clean and then drying the part.
7. The method of claim 1, wherein after the step of self-polishing and the step of aluminum washing, the protective layer is coated on the electroplated layer by a gravure press, and then the step of coating the glue layer is performed.
8. The method according to claim 1, wherein the step of applying the glue layer is selected from one of the following two methods:
a. printing transfer printing glue on a gravure press, and coating a glue layer on an electroplated layer of the base film through the gravure press;
b. coating transfer-printing glue on a coating machine with a drying channel, coating a glue layer on an electroplated layer of the base film through the coating machine, and drying.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2724132B1 (en) * | 1994-09-02 | 1996-11-29 | Hologram Ind Sarl | METHOD FOR IRREVERSIBLE TRANSFER OF A DIFFRACTION NETWORK, TRANSFER FILM AND DEVICE FOR IMPLEMENTING THE METHOD |
| CN103507458B (en) * | 2013-09-26 | 2015-02-18 | 江苏中印印务集团有限公司 | Manufacturing technology for environment-friendly multipoint orientating and anti-counterfeit printing paper |
| CN104149508A (en) * | 2014-07-01 | 2014-11-19 | 虎彩印艺股份有限公司 | Method and equipment for forming variable pad printing effect |
| DE102017101595B3 (en) * | 2017-01-27 | 2018-05-30 | Leonhard Kurz Stiftung & Co. Kg | Transfer film, its use and method for producing a transfer film and method for producing an injection molded article decorated with a transfer layer of a transfer film |
| 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 |
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