CN213767544U - Pre-printed film and container - Google Patents
Pre-printed film and container Download PDFInfo
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- CN213767544U CN213767544U CN202022591588.6U CN202022591588U CN213767544U CN 213767544 U CN213767544 U CN 213767544U CN 202022591588 U CN202022591588 U CN 202022591588U CN 213767544 U CN213767544 U CN 213767544U
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- 239000010410 layer Substances 0.000 claims abstract description 325
- 238000007639 printing Methods 0.000 claims abstract description 119
- 238000000576 coating method Methods 0.000 claims abstract description 113
- 239000011248 coating agent Substances 0.000 claims abstract description 92
- 230000000694 effects Effects 0.000 claims abstract description 89
- 239000000463 material Substances 0.000 claims abstract description 83
- 239000012790 adhesive layer Substances 0.000 claims abstract description 60
- 239000000758 substrate Substances 0.000 claims abstract description 56
- 230000001681 protective effect Effects 0.000 claims description 32
- 239000002966 varnish Substances 0.000 claims description 23
- 239000005028 tinplate Substances 0.000 claims description 21
- 238000002844 melting Methods 0.000 claims description 12
- 230000008018 melting Effects 0.000 claims description 12
- 238000007747 plating Methods 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 239000010408 film Substances 0.000 description 168
- 238000000034 method Methods 0.000 description 62
- 238000012546 transfer Methods 0.000 description 22
- 210000002489 tectorial membrane Anatomy 0.000 description 18
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 13
- 238000009500 colour coating Methods 0.000 description 12
- 229920002799 BoPET Polymers 0.000 description 10
- 238000007731 hot pressing Methods 0.000 description 10
- -1 polyethylene Polymers 0.000 description 9
- 239000011241 protective layer Substances 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 229920006378 biaxially oriented polypropylene Polymers 0.000 description 8
- 239000011127 biaxially oriented polypropylene Substances 0.000 description 8
- 239000002131 composite material Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 8
- 239000004698 Polyethylene Substances 0.000 description 6
- 238000001035 drying Methods 0.000 description 6
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- 239000002184 metal Substances 0.000 description 5
- 239000004743 Polypropylene Substances 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
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- 230000000007 visual effect Effects 0.000 description 3
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- 230000002349 favourable effect Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 239000008267 milk Substances 0.000 description 2
- 210000004080 milk Anatomy 0.000 description 2
- 235000013336 milk Nutrition 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
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- 239000004814 polyurethane Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
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- 238000007774 anilox coating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000005098 hot rolling Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
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- Details Of Rigid Or Semi-Rigid Containers (AREA)
- Laminated Bodies (AREA)
Abstract
The embodiment of the application provides a pre-color printing coating film and a container. The pre-color printing coating film comprises: a substrate layer; the printing ink layer is positioned on one side of the base material layer; the first adhesive layer is positioned on one side, away from the base material layer, of the printing ink layer; the laser effect layer is positioned on one side, away from the base material layer, of the first adhesive layer, and the orthographic projection of the laser effect layer on the base material layer is superposed with the orthographic projection of the first adhesive layer on the base material layer; and the bottom color layer is positioned on one side of the laser effect layer departing from the substrate layer. The pre-color printing coating film can be pasted on the surface of a plate for manufacturing a container, and can enhance the difference of the appearance of the container by arranging the laser effect layer, improve the display effect, attract the eyes of consumers more easily and stimulate the purchase desire of the consumers.
Description
Technical Field
The application relates to the technical field of packaging, in particular to a pre-color-printing film and a container.
Background
When the iron printing process is adopted to manufacture the milk powder can, 2-3 times of printing and high-temperature baking are needed, and the milk powder can manufactured by the iron printing process has unobvious difference and display effect and is not easy to attract consumers.
SUMMERY OF THE UTILITY MODEL
Embodiments of the present application provide a pre-color-printed coating film and a container to solve or alleviate one or more technical problems in the prior art.
As one aspect of the embodiments of the present application, an embodiment of the present application provides a pre-color-print coating film, including:
a substrate layer;
the printing ink layer is positioned on one side of the base material layer;
the first adhesive layer is positioned on one side, away from the base material layer, of the printing ink layer;
the laser effect layer is positioned on one side, away from the base material layer, of the first adhesive layer, and the orthographic projection of the laser effect layer on the base material layer is superposed with the orthographic projection of the first adhesive layer on the base material layer;
and the bottom color layer is positioned on one side of the laser effect layer departing from the substrate layer.
In some possible implementations, the base color layer includes an aluminum plated layer or a white film.
In some possible implementations, the base color layer includes a modified white film, and the base color layer has a melting point of less than or equal to 220 ℃.
In some possible implementations, there is no overlap area or at least partial overlap between the orthographic projection of the laser effect layer on the substrate layer and the orthographic projection of the printing ink layer on the substrate layer.
In some possible implementations, an orthographic projection of the base color layer on the substrate layer coincides with the substrate layer.
As an aspect of the embodiments of the present application, the embodiments of the present application provide a container, which includes a plate material for forming the container, and further includes a pre-color coating film as above, the pre-color coating film is attached on a surface of the plate material, and the base color layer faces the surface of the plate material.
In some possible implementations, the container further includes a second adhesive tie layer between the pre-printed overlay film and the sheet material.
In some possible implementations, the container further includes a protective varnish layer on a side of the pre-printed coating film facing away from the sheet material.
In some possible implementations, the protective varnish layer has a hardness greater than 2H; alternatively, the protective varnish layer is used in an amount of 3g to 6g per square meter.
In some possible implementations, the material of the plate includes tinplate.
The pre-color printing coating film can be pasted on the surface of a plate for manufacturing a container, and can enhance the difference of the appearance of the container by arranging the laser effect layer, improve the display effect, attract the eyes of consumers more easily and stimulate the purchase desire of the consumers. Through setting up the base colour layer, when the colour printing tectorial membrane subsides in advance cover on panel surface, the base colour layer can provide light tight base for the outward appearance of colour printing tectorial membrane in advance is thicker and more solid, full, improves the visual effect of container.
The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present application will be readily apparent by reference to the drawings and following detailed description.
Drawings
In the drawings, like reference numerals refer to the same or similar parts or elements throughout the several views unless otherwise specified. The figures are not necessarily to scale. It is appreciated that these drawings depict only some embodiments in accordance with the disclosure and are therefore not to be considered limiting of its scope.
FIG. 1 is a schematic structural diagram of a pre-color printing coating film according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a laser film according to an embodiment of the present application;
FIG. 3 is a schematic structural diagram of a pre-color coating film according to an embodiment of the present application;
FIG. 4 is a schematic cross-sectional view of a container according to an embodiment of the present disclosure;
FIG. 5 is a schematic cross-sectional view of a container according to an embodiment of the present disclosure;
FIG. 6 is a schematic diagram of a method for preparing a pre-color coating film according to an embodiment of the present disclosure;
FIG. 7 is a schematic illustration of a method of making a container according to an embodiment of the present disclosure;
FIG. 8 is a schematic illustration of a process for making a container according to an embodiment of the present application;
FIG. 9 is a schematic illustration of a process for making a container according to an embodiment of the present application.
Description of reference numerals:
11. a substrate layer; 12. printing a pattern layer; 13. a first adhesive layer; 14. a laser effect layer; 140. a base film; 141. a laser information layer; 142. a protective layer; 15. a ground color layer; 20. a plate material; 30. a second adhesive layer; 40. and protecting the gloss oil layer.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present application. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
Fig. 1 is a schematic structural diagram of a pre-color printing coating film in an embodiment of the present application. The pre-color printing coating film of the embodiment of the application, as shown in fig. 1, includes a substrate layer 11, a printing ink layer 12, a first adhesive layer 13, a laser effect layer 14 and a ground color layer 15. Wherein, printing ink layer 12 is located one side of substrate layer 11, and first adhesive layer 13 is located one side that printing ink layer 12 deviates from substrate layer 11, and laser effect layer 14 is located one side that first adhesive layer 13 deviates from substrate layer 11. The orthographic projection of the laser effect layer 14 on the base material layer 11 is coincident with the orthographic projection of the first adhesive layer 13 on the base material layer 11, and exemplarily, the orthographic projection of the laser effect layer 14 on the base material layer 11 is completely coincident with the orthographic projection of the first adhesive layer 13 on the base material layer 11. The base colour layer 15 is located on the side of the laser effect layer 14 facing away from the substrate layer 11.
Illustratively, the pre-printed coating is applied to the surface of a sheet material (e.g., tinplate) used to make the container, with the base color layer 15 facing the sheet material surface.
The pre-color printing coating film can be pasted on the surface of a plate for manufacturing a container, and can enhance the difference of the appearance of the container by arranging the laser effect layer, improve the display effect, attract the eyes of consumers more easily and stimulate the purchase desire of the consumers. Through setting up the base colour layer, when the colour printing tectorial membrane subsides in advance cover on panel surface, the base colour layer can provide light tight base for the outward appearance of colour printing tectorial membrane in advance is thicker and more solid, full, improves the visual effect of container.
The utility model provides a colour printing tectorial membrane in advance, compare in the tectorial membrane that adopts traditional tin printing technology to make, be provided with first adhesive layer in one side of radium-shine effect layer towards the substrate layer, the orthographic projection of radium-shine effect layer on the substrate layer coincides with the orthographic projection of first adhesive layer on the substrate layer, under the effect on first adhesive layer, when shifting radium-shine effect layer, no longer need shift the coating, thereby, in follow-up compound or container manufacture process, can avoid colour printing tectorial membrane layering in advance or peel off, improve the stability of colour printing tectorial membrane in advance.
In one embodiment, the material of the substrate layer 11 may include at least one of a biaxially oriented white film (BOPET), a biaxially oriented polypropylene film (BOPP), and a biaxially oriented polyethylene film (BOPE). The base layer 11 can serve as a printing material for the printing ink layer 12 and protect the printing ink layer 12.
In one embodiment, the printing ink layer 12 may include various patterns, and the printing ink layer 12 may be formed on the substrate layer 11 using a process commonly used in the art to form a body pattern.
In one embodiment, the first adhesive layer 13 may be a glue commonly used in the art, and for example, the first adhesive layer may be a two-component or one-component polyurethane adhesive commonly used in the art. In forming the first adhesive layer, the first adhesive layer may be formed on a region where the laser effect layer is preset.
Fig. 2 is a schematic structural diagram of a laser film in an embodiment of the present application. In one embodiment, as shown in fig. 2, the laser film may include a base film 140, a laser information layer 141, and a protective layer 142. The laser information layer is located on one side of the base film 140, and the protection layer 142 is located on one side of the laser information layer 141 facing away from the base film 140. The protective layer 142 can protect the laser information layer. Illustratively, the protective layer 142 may be an aluminum plated layer. The laser effect layer 14 may include a laser information layer 141 and a protective layer 142. The material of the base film 140 may include a biaxially oriented polypropylene film (BOPP).
The laser film can be transferred onto the first adhesive layer 13 by adopting a transfer process, the protective layer 142 can face the first adhesive layer 13, then the base film 140 is separated, under the action of the first adhesive layer 13, the laser effect layer 14 is remained in the area where the first adhesive layer 13 is located, and in the area except the first adhesive layer 13, the laser effect layer 14 is removed along with the separation of the base film, so that the laser effect layer 14 remained in the area where the first adhesive layer 13 is located forms a laser effect. The laser effect layer 14 can enable the pre-color printing film to have a laser effect, so that the difference and the display effect of the pre-color printing film are improved, and consumers can be attracted more easily.
In one embodiment, the orthographic projection of the laser effect layer on the substrate layer coincides with the orthographic projection of the first adhesive layer on the substrate layer, as shown in fig. 1.
In one embodiment, the orthographic projection of the laser effect layer 14 on the substrate layer 11 and the orthographic projection of the printing ink layer 12 on the substrate layer 11 may at least partially overlap, as shown in fig. 1. Illustratively, the laser effect layer 14 is also present at the pattern position of the printing ink layer 12, or the laser effect layer is disposed in the whole range of the substrate layer 11, so that the pattern position can present the laser effect, and the diversity and display effect of the pattern are provided.
Fig. 3 is a schematic structural diagram of a pre-color printing coating film in an embodiment of the present application. In one embodiment, as shown in fig. 3, there may be no overlap area between the orthographic projection of the laser effect layer 14 on the substrate layer 11 and the orthographic projection of the printed ink layer 12 on the substrate layer 12. Illustratively, there may be voids in the pattern formed by printing ink layer 12, and laser effect layer 14 may be located at the voids of printing ink layer 12. When the laser effect layer 14 is located at the hollow-out portion of the printing ink layer 12, the first glue adhesion layer 13 is also located at the hollow-out portion of the printing ink layer 12. The first glue layer 13 is located on the side of the substrate layer facing the printing ink layer 12, seen in fig. 3.
The person skilled in the art will understand that "the first adhesive layer is located on the side of the printing ink layer facing away from the substrate layer" in this context should be understood as that the first adhesive layer is formed after the printing ink layer, and an orthogonal projection of the first adhesive layer on the substrate layer may have an overlapping area with the printing ink layer or the first adhesive layer is located at a hollow of the printing ink layer.
In one embodiment, the base color layer 15 may include a white film. A white film may be laminated to the side of the laser effect layer 14 facing away from the substrate layer 11 using techniques conventional in the art. The white film may include at least one of a white polyethylene terephthalate film (white PET film), a white polypropylene film (white PP film), and a white polyethylene film (white PE film).
In one embodiment, the base color layer 15 may include an aluminum plated layer. A transfer process may be used to transfer the aluminized layer to the side of the laser effect layer 14 facing away from the substrate layer 11 to form the base color layer 15.
In one embodiment, the base color layer 15 may comprise a modified white film having a melting point of 220 ℃ or less. The base color layer is beneficial to realizing the application of the pre-color printing coating film on the surface of the tinplate by adopting a hot coating process. The modified white film may include at least one of a modified white polyethylene terephthalate film (modified white PET film), a modified white polypropylene film (modified white PP film), and a modified white polyethylene film (white PE film).
The base color layer 15 can provide an opaque base color, so that when the pre-color-printed coating film is attached to the surface of the metal plate, the opaque base color layer provides a better contrast ratio, the appearance of the pre-color-printed coating film is thicker and more full, and the visual effect is improved.
In order to better improve the display effect of the pre-color coating, in one embodiment, the orthographic projection of the ground color layer 15 on the substrate layer 11 is superposed on the substrate layer 11. Illustratively, the range of the base color layer 15 is the same as that of the base material layer 11, so that the base color layer 15 is arranged in the whole area of the pre-color printing coating film, the appearance effect of the pre-color printing coating film can be integrally improved, and the whole appearance of the pre-color printing coating film is thick and full.
In one embodiment, the pre-color printing overlay film may further include a protective varnish layer on the side of the substrate layer 11 facing away from the printing ink layer 12. The protective gloss oil layer can play a role in protecting the pre-color printing coating film and improve the wear resistance and scratch resistance of the pre-color printing coating film.
In one embodiment, the protective varnish layer may have a hardness greater than 2H. The protective gloss oil layer with the hardness can further improve the wear resistance and scratch resistance of the pre-color printing coating film.
Fig. 4 is a schematic cross-sectional view of a container according to an embodiment of the present disclosure. An embodiment of the present application provides a container. The container may include a sheet material 20 for forming the container and may also include a pre-printed coating as in the above embodiments. The pre-printed coating is applied to the surface of the sheet material 20, wherein the base color layer 15 faces the surface of the sheet material 20.
Fig. 5 is a schematic cross-sectional view of a container according to an embodiment of the present disclosure. In one embodiment, the base coat may comprise an aluminized or white film, and the container may further comprise a second adhesive layer 30 between the pre-printed overlay film and the sheet material 20. Illustratively, the pre-printed coating film 10 may be applied to the surface of the panel 20 by a second adhesive layer 30. For example, a glue adhesive may be applied to the side of the pre-printed cover film 10 facing the base color layer, and then the pre-printed cover film 10 may be glued onto the surface of the sheet material 20.
In one embodiment, the base color layer may include a modified white film having a melting point of 220 ℃ or less. The pre-printed overlay film may be applied to the surface of the sheet material 20 by a hot-coating process. In one embodiment, the temperature of the thermal coating process may be 180 ℃ to 220 ℃, and the temperature of the thermal coating process may be any one of 180 ℃ to 220 ℃, for example, the temperature of the thermal coating process may be one of 180 ℃, 190 ℃, 200 ℃, 210 ℃, and 220 ℃. The panel 20 may be heated to a desired thermal coating process temperature to bond the pre-color coated film to the panel as shown in fig. 4.
In one embodiment, as shown in fig. 4 and 5, the container further includes a protective varnish layer 40 on the side of the pre-printed coating film facing away from the sheet material 20. The protective varnish layer 40 can increase the wear resistance and scratch resistance of the pre-color printing coating film.
In one embodiment, the protective varnish layer has a hardness greater than 2H.
In one embodiment, the protective varnish layer is present in an amount of 3g to 6g per square meter (inclusive).
In one embodiment, the material of the plate comprises tinplate, and the tinplate can comprise a metal iron layer and tin-plated layers on two side surfaces of the metal iron layer. The pre-color printing coating is pasted on the tin coating. The pre-color printing coating is pasted on the surface of the tin plating layer by adopting a hot coating process, and the melting point of the modified white film is less than or equal to 220 ℃, so that the temperature of the hot coating process can be set to be 180-220 ℃, the temperature of the hot coating process is less than the melting point of the zinc plating layer to be 232 ℃, the tin plating layer is not damaged in the hot coating process, and good bonding force between the pre-color printing coating and the tin plating layer can be provided.
One skilled in the art can understand that the material of the plate is not limited to tinplate, and the plate can be made of other materials as long as the pre-printed coating can be attached to the surface of the plate.
Fig. 6 is a schematic diagram illustrating a method for preparing a pre-color coating film according to an embodiment of the present disclosure. The pre-color print coating in this embodiment may be the above pre-color print coating. In one embodiment, as shown in fig. 6, the pre-color coating film prepared by the present embodiment may be as shown in fig. 1, and the preparation method of the pre-color coating film may include:
s100, providing a substrate layer 11;
s200, forming a printing ink layer 12 on one side of the base material layer 11;
s300, sequentially forming a first adhesive layer 13 and a laser effect layer 14 on one side, away from the base material layer 11, of the printing ink layer 12, wherein the orthographic projection of the laser effect layer 14 on the base material layer 11 is superposed with the orthographic projection of the first adhesive layer 13 on the base material layer 11;
and S400, forming a bottom color layer 15 on the side, away from the base material layer 11, of the laser effect layer 14.
In one embodiment, the material of the substrate layer 11 may include at least one of a biaxially oriented white film (BOPET), a biaxially oriented polypropylene film (BOPP), and a biaxially oriented polyethylene film (BOPE). The base layer 11 can serve as a printing material for the printing ink layer 12 and protect the printing ink layer 12.
In one embodiment, the method for preparing the pre-color coating film may further include a laser film preparation process, wherein the laser film is formed as shown in fig. 2, and the laser film preparation process may include:
providing a base film 140, and hot-pressing the base film 140;
a laser information layer 141 and a protective layer 142 are sequentially formed on one side of the base film 140, and the laser effect layer 14 includes the laser information layer 141 and the protective layer 142.
In one embodiment, the material of the base film may include a biaxially oriented polypropylene film (BOPP), and the protective layer 142 may be an aluminum-plated layer.
In one embodiment, hot pressing (hot pressing may also be referred to as air pressing) the base film may include: under uniform temperature, pressure, make the base film pass through a pair of hot-rolling, carry out the hot pressing to the base film to promote in the base film from type material migration to the base film surface, thereby, after transferring radium-shine film, be favorable to the separation of base film, can realize the transfer on radium-shine effect layer smoothly, no longer need transfer the coating moreover. In one embodiment, the temperature range of the hot pressing of the base film may be 100 ℃ to 140 ℃, and the temperature of the hot pressing may be, for example, any one of 100 ℃ to 140 ℃, for example, one of 100 ℃, 110 ℃, 120 ℃, 130 ℃, and 140 ℃. The pressure range for hot-pressing the base film may be 1kg/mm2To 3kg/mm2Illustratively, the pressure range of the hot pressing may be 1kg/mm2To 3kg/mm2At any pressure value of (1), e.g. 1kg/mm2、1.5kg/mm2、2kg/mm2、2.5kg/mm2、3kg/mm2One of them.
In one embodiment, the laser information layer may be formed on the base film by a molding process, and the aluminum plating layer may be formed on a side of the laser information layer away from the base film by a transfer process. The molding process and the transfer process may be performed by a conventional technique in the art, and will not be described in detail.
In the correlation technique, when making laser film, need make the transfer coating between laser effect layer and base film to do benefit to and shift laser effect layer to the tectorial membrane on, thereby, the laser film of formation includes the base film, is located the transfer coating of base film one side, is located the laser information layer that the transfer coating deviates from base film one side and is located the aluminium coating layer that laser information layer deviates from base film one side. When transferring the laser effect layer, the transfer coating can be transferred to the tectorial membrane along with the laser effect layer together for the transfer coating becomes a layer of tectorial membrane. The film containing the transfer coating is easy to peel or delaminate the laser effect layer or the aluminum plating layer from the film in the subsequent composite process or container manufacturing process, and the performance of the film is influenced.
The preparation method of the pre-color printing tectorial membrane of the embodiment of the application, form first adhesive layer 13 on one side that printing ink layer 12 deviates from substrate layer 11, form laser effect layer 14 on one side that first adhesive layer 13 deviates from the substrate layer, such preparation method, first adhesive layer can help laser effect layer to shift, no longer need shift the coating when forming laser effect layer, thereby, no longer contain the shift coating in the pre-color printing tectorial membrane that forms, in follow-up compound or container manufacturing process, can avoid laser effect layer from the layering of pre-color printing tectorial membrane or peel off, the layering or the peeling problem of tectorial membrane has been solved, the stability of pre-color printing tectorial membrane has been improved.
In one embodiment, in step S300, sequentially forming the first adhesive layer 13 and the laser effect layer 14 on the side of the printing ink layer 12 away from the substrate layer 11 may include:
forming a first adhesive layer on one side of the printing ink layer, which is far away from the base material layer, wherein the first adhesive layer is positioned in an area where a laser effect layer is preset;
forming a laser film on one side of the first adhesive layer, which is far away from the base material layer, by adopting a transfer process, wherein the laser film comprises a base film and a laser effect layer positioned on one side of the base film, and the laser effect layer faces the first adhesive layer;
and peeling the base film, wherein the laser effect layer is reserved in the area where the first adhesive layer is positioned, and the laser effect layer is removed along with the peeling of the base film in the area outside the first adhesive layer.
Through setting up first adhesive layer, can be so that the radium-shine effect layer in first adhesive layer place region remains, and the region outside first adhesive layer, because there is not first adhesive layer, when peeling off the base film, the radium-shine effect layer that is located region outside first adhesive layer can be got rid of along with peeling off of base film to, form radium-shine effect layer in preset position.
In one embodiment, in step S400, forming a base color layer on a side of the laser effect layer facing away from the substrate layer may include: and forming an aluminum coating on one side of the laser effect layer departing from the base material layer by adopting a transfer process.
For example, forming the aluminum-plated layer on the side of the laser effect layer, which faces away from the substrate layer, by using a transfer process may include:
preparing an aluminum-plated film, which may include a second base film and an aluminum-plated layer on one side of the second base film;
transferring the aluminizer to the side, away from the base material layer, of the laser effect layer;
and peeling the second base film of the aluminized film.
The preparation process of the aluminizer may include: providing a second base film, and carrying out hot pressing on the second base film; an aluminum plating layer is formed on the second base film. Through carrying out the hot pressing to the second base film, be favorable to promoting in the second base film from type material migration to second base film surface, transfer the aluminizer to the radium-shine effect layer and deviate from one side of substrate layer on, when peeling off the second base film, the second base film can separate smoothly with the aluminizer layer, avoids adopting the transfer coating, and then avoids the aluminizer layer to lead to in succession the processing procedure in advance the lamination of color printing tectorial membrane or peel off, improves the stability of color printing tectorial membrane in advance.
In one embodiment, in step S400, forming a base color layer on a side of the laser effect layer facing away from the substrate layer may include: and forming a white film on one side of the laser effect layer, which is far away from the substrate layer, by adopting a composite process. The compounding process may employ techniques conventional in the art and will not be described in detail herein.
In one embodiment, in step S400, forming a base color layer on a side of the laser effect layer facing away from the substrate layer may include: and forming a modified white film on the side of the laser effect layer departing from the base material layer by adopting a composite process, wherein the melting point of the modified white film is less than or equal to 220 ℃. The compounding process may employ techniques conventional in the art and will not be described in detail herein.
Fig. 7 is a schematic illustration of a method of making a container according to an embodiment of the present disclosure. A method of making a container may comprise:
s500, preparing a pre-color printing coating film by adopting the method;
s600, pasting a pre-color printing coating film on the surface of the plate, wherein the bottom color layer of the pre-color printing coating film faces the surface of the plate;
s700, preparing a container by adopting a plate on which a pre-color printing coating is stuck.
In one embodiment, the pre-color coating film prepared in step S500 is the pre-color coating film as described above, as shown in fig. 1 or 3.
In one embodiment, before applying the pre-printed coating film on the surface of the plate material, the method for preparing the container may further include:
and forming a protective gloss oil layer on one side of the base material layer of the pre-color printing laminated film, which is far away from the printing ink layer, by adopting a coating process. Illustratively, the protective varnish may be applied by a anilox roll coating process, and the amount of the protective varnish applied may be 1g to 5g per square meter, and illustratively, the amount of the protective varnish applied may be any one of 1g to 5g per square meter, for example, 1g per square meter, 2g per square meter, 3g per square meter, 4g per square meter, and 5g per square meter. In one embodiment, the coating amount of the protective varnish may be 2g to 3g per square meter (inclusive), and the coating amount of the protective varnish may be any one of 2g to 3g per square meter. The drying temperature may be 80 ℃ to 100 ℃ (inclusive), and illustratively, the drying temperature may be any value of 80 ℃ to 100 ℃. The drying time may be 2 seconds to 3 seconds. The material for protecting the gloss oil can comprise at least one of polyurethane and acrylic system substances.
In one embodiment, after the pre-printed coating film is applied on the surface of the plate material, and before the container is prepared, the method for preparing the container may further include:
and forming a protective gloss oil layer on the surface of one side, which is far away from the plate, of the pre-color printing coating film by adopting a metal printing process. Illustratively, after the pre-color printing coating is attached on the surface of the plate, a protective gloss oil layer is formed on the surface of the pre-color printing coating facing away from the plate by using a metal printing process, and the coating amount of the protective gloss oil can be 3g to 6g per square meter, and illustratively, the coating amount of the protective gloss oil can be any value of 3g to 6g per square meter, for example, 3g per square meter, 4g per square meter, 5g per square meter, and 6g per square meter. In one embodiment, the coating amount of the protective varnish may be 4g to 6g per square meter (inclusive), and the coating amount of the protective varnish may be any one of 4g to 6g per square meter. The drying temperature is 120 to 145 ℃ (inclusive), and for example, the drying temperature may be any one of 120 to 145 ℃. The drying time can be 10 minutes to 15 minutes, and the material for protecting the gloss oil can comprise at least one of epoxy modified phenolic aldehyde and epoxy modified polyester system materials.
In one embodiment, the pre-color printing coating film can be applied to the surface of the plate material by using a gluing process, which may include:
forming a second adhesive layer on one side of the base color layer of the pre-color printing coating film;
and sticking the pre-color-printed coating film on the surface of the plate by adopting a composite process, wherein the second adhesive layer is positioned between the pre-color-printed coating film and the plate.
In one embodiment, applying a pre-printed coating film on the surface of the panel may include:
and sticking the pre-color printing coating film on the surface of the plate by adopting a hot coating process, wherein the ground color layer faces the surface of the plate, the ground color layer comprises a modified white film, and the melting point of the modified white film is less than or equal to 220 ℃.
In one embodiment, the sheet material may comprise tinplate. The tin plating layer is arranged on the surface of the tinplate, and the melting point of the tin plating layer is about 232 ℃. The ground color layer is set to include the modified white film, and the melting point of the modified white film is less than or equal to 220 ℃, so that the temperature of the hot coating process can be less than the melting point of the galvanized layer, the tin coating layer cannot be damaged in the coating process, and good bonding force between the pre-color coating film and the tin coating layer can be provided.
FIG. 8 is a schematic illustration of a process for making a container according to an embodiment of the present application. In one embodiment, as shown in fig. 8, a pre-printed coating film may be applied to the surface of the plate material by a coating process, and the container may be prepared by the following steps:
a printing ink layer can be formed on one side of the base material layer by adopting a printing process, and the process can be called BOPET (biaxially oriented polyethylene terephthalate) inner printing;
forming a first adhesive layer and a laser effect layer in sequence on one side of the printing ink layer, which is far away from the base material layer, wherein the orthographic projection of the laser effect layer on the base material layer is superposed with the orthographic projection of the first adhesive layer on the base material layer, and the process can be called local laser transfer;
forming a white film on one side of the laser effect layer, which is far away from the substrate layer, by adopting a composite process, wherein the process can be called as a composite white film; or, an aluminum plating layer is formed on one side of the laser effect layer, which is far away from the substrate layer, by adopting a transfer process, which can be called transfer aluminum plating; thus, the preparation of the pre-color-printed coating film is completed.
The process of pre-color printing the coating film and pasting the plate material can comprise the following steps:
the pre-color printing coating film is pasted on the tinplate by adopting a glue coating process, and the process can be called as the tinplate glue coating; the process of forming the protective varnish on the side of the pre-color printing coating film, which is far away from the tinplate, by adopting the tin printing process can be called tin printing varnish protection, or,
coating gloss oil on one side of the pre-color printing laminated substrate layer, which is far away from the printing pattern layer, so as to form a protective gloss oil layer, wherein the process can be called coating gloss oil on the surface of BOPET; the pre-color printing coating film is pasted on the tinplate by adopting an adhesive coating process to protect the gloss oil layer from deviating from the tinplate, and the process can be called as the process of coating the tinplate with adhesive;
the container is prepared, which may also be called can making.
FIG. 9 is a schematic illustration of a process for making a container according to an embodiment of the present application. In one embodiment, as shown in fig. 9, a pre-printed coating film may be applied to the surface of the plate material by a hot coating process, and the container may be prepared by the following steps:
a printing ink layer can be formed on one side of the base material layer by adopting a printing process, and the process can be called BOPET (biaxially oriented polyethylene terephthalate) inner printing;
forming a first adhesive layer and a laser effect layer in sequence on one side of the printing ink layer, which is far away from the base material layer, wherein the orthographic projection of the laser effect layer on the base material layer is superposed with the orthographic projection of the first adhesive layer on the base material layer, and the process can be called local laser transfer;
forming a modified white film on one side of the laser effect layer, which is far away from the substrate layer, by adopting a composite process, wherein the melting point of the modified white film is less than or equal to 220 ℃, and the process can be called as a composite special white film; thus, the preparation of the pre-color-printed coating film is completed.
The process of pre-color printing the coating film and pasting the plate material can comprise the following steps:
the pre-color printing coating film is pasted on the tinplate by adopting a hot coating process, and the process can be called as the tinplate hot coating; the process of forming the protective varnish on the side of the pre-color printing coating film, which is far away from the tinplate, by adopting the tin printing process can be called tin printing varnish protection, or,
coating gloss oil on one side of the pre-color printing laminated substrate layer, which is far away from the printing pattern layer, so as to form a protective gloss oil layer, wherein the process can be called coating gloss oil on the surface of BOPET; the pre-color printing coating film is pasted on the tinplate by adopting a hot coating process to protect the gloss oil layer from deviating from the tinplate, and the process can be called as hot coating with the tinplate;
the container is prepared, which may also be called can making.
In the container finally formed by the container manufacturing method, the protective gloss oil layer is formed on the surface of the pre-color printing coating film, which is far away from the plate, so that the wear resistance and the scratch resistance of the pre-color printing coating film are improved by the protective gloss oil layer, the container can be prevented from being scratched in the carrying process, and the attractiveness of the product is improved.
In the description of the present specification, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
Furthermore, 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 application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
The above disclosure provides many different embodiments or examples for implementing different structures of the application. The components and arrangements of specific examples are described above to simplify the present disclosure. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive various changes or substitutions within the technical scope of the present application, and these should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A pre-color print overlay film, comprising:
a substrate layer;
the printing ink layer is positioned on one side of the base material layer;
the first adhesive layer is positioned on one side, away from the base material layer, of the printing ink layer;
the laser effect layer is positioned on one side, away from the base material layer, of the first adhesive layer, and the orthographic projection of the laser effect layer on the base material layer is superposed with the orthographic projection of the first adhesive layer on the base material layer;
and the bottom color layer is positioned on one side of the laser effect layer, which deviates from the substrate layer.
2. The pre-color print overlay film of claim 1 wherein said base color layer comprises an aluminum plating layer or a white film.
3. The pre-color print overlay film of claim 1 wherein the base color layer comprises a modified white film, the base color layer having a melting point of 220 ℃ or less.
4. The pre-color print overlay film according to claim 1 wherein an orthogonal projection of the laser effect layer on the substrate layer does not have an overlap region or at least partially overlaps an orthogonal projection of the printing ink layer on the substrate layer.
5. The pre-color printing coating film according to any one of claims 1 to 4, wherein an orthographic projection of the base color layer on the substrate layer coincides with the substrate layer.
6. A container comprising a sheet material for forming the container and further comprising a pre-printed coating as claimed in any one of claims 1 to 5 applied to a surface of the sheet material with the base colour layer facing the sheet material surface.
7. The container of claim 6, further comprising a second adhesive layer between the pre-printed overlay film and the sheet material.
8. The container of claim 6, further comprising a protective varnish layer on a side of the pre-printed coating film facing away from the sheet material.
9. The container of claim 8, wherein the protective varnish layer has a hardness greater than 2H; or the dosage of the protective varnish layer is 3g to 6g per square meter.
10. A container as claimed in any one of claims 6 to 9, wherein the sheet material comprises tinplate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022591588.6U CN213767544U (en) | 2020-11-10 | 2020-11-10 | Pre-printed film and container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022591588.6U CN213767544U (en) | 2020-11-10 | 2020-11-10 | Pre-printed film and container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213767544U true CN213767544U (en) | 2021-07-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022591588.6U Active CN213767544U (en) | 2020-11-10 | 2020-11-10 | Pre-printed film and container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213767544U (en) |
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2020
- 2020-11-10 CN CN202022591588.6U patent/CN213767544U/en active Active
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