CN219927358U - Electrochemical aluminum with good edge cutting performance - Google Patents
Electrochemical aluminum with good edge cutting performance Download PDFInfo
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- CN219927358U CN219927358U CN202321091709.8U CN202321091709U CN219927358U CN 219927358 U CN219927358 U CN 219927358U CN 202321091709 U CN202321091709 U CN 202321091709U CN 219927358 U CN219927358 U CN 219927358U
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- Prior art keywords
- layer
- edge cutting
- coating
- good
- good edge
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 51
- 238000005520 cutting process Methods 0.000 title claims abstract description 33
- 239000010410 layer Substances 0.000 claims abstract description 110
- 239000011248 coating agent Substances 0.000 claims abstract description 45
- 238000000576 coating method Methods 0.000 claims abstract description 45
- 239000011247 coating layer Substances 0.000 claims abstract description 19
- 239000012790 adhesive layer Substances 0.000 claims abstract description 12
- 238000009966 trimming Methods 0.000 claims description 23
- 239000000758 substrate Substances 0.000 claims description 13
- 229920006267 polyester film Polymers 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 239000000741 silica gel Substances 0.000 claims description 6
- 229910002027 silica gel Inorganic materials 0.000 claims description 6
- 239000000839 emulsion Substances 0.000 claims description 5
- 229920002799 BoPET Polymers 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 239000003973 paint Substances 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims 8
- 238000001035 drying Methods 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000009776 industrial production Methods 0.000 abstract description 2
- 238000004806 packaging method and process Methods 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000007774 anilox coating Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000007888 film coating Substances 0.000 description 2
- 238000009501 film coating Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of anti-counterfeiting packaging, and particularly relates to electric aluminum with good edge cutting performance. The electrochemical aluminum with good edge cutting performance comprises a base material layer, a release layer, a color layer, a coating layer and a back adhesive layer which are sequentially arranged from top to bottom, wherein an edge cutting layer is arranged between the color layer and the coating layer, and a printing layer is arranged between the edge cutting layer and the coating layer. The printing layer consists of a two-dimensional code and a positioning cursor. After the electrochemical aluminum with good edge cutting performance is subjected to hollowed-out thermoprint on the bottle cap, a thermoprint image-text area has no serrated edge and burr, the edge cutting performance is good, the electrochemical aluminum is beneficial to being applied to a full-automatic bottle cap gilding press for high-speed gilding, the production efficiency is improved, the edge cutting layer is prepared by coating and drying, the process is simple, and the industrial production is easy.
Description
Technical Field
The utility model belongs to the technical field of anti-counterfeiting packaging, and particularly relates to electric aluminum with good edge cutting performance.
Background
The electrochemical aluminum hot stamping foil, called electrochemical aluminum for short, is a hot stamping material which is manufactured by coating a base material with a coating and vacuum thermal evaporation of a dielectric layer, and is a common decorative material. Thermoprinting is a process of transferring graphic information on an alumite to the surface of a substrate at a certain temperature and pressure. The edge trimming property is an index reflecting the characteristics of the hot stamping foil of the electric aluminum and is expressed as the flatness of the pattern edge lines after hot stamping.
The problem of poor trimming property of the electrochemical aluminum in the market is that the electrochemical aluminum has obvious serrated edges after being thermoprinted on the bottle cap, so that fine lines after thermoprinting cannot be effectively identified. In order to avoid the phenomenon that the hot stamping of the electric aluminum occurs at the serrated edge, the electric aluminum is produced on the market at present, the area without the hot stamping picture and text is coated with the water-based ink to be plated with aluminum, the aluminum washing procedure is increased, a hollowed-out aluminum plating layer is generated, the hot stamping plate used during the hot stamping is wider than the range of the printed picture and text area, after the hot stamping, the hot stamping area without the printed picture and text on the surface of a to-be-stamped product is provided with back glue marks, the whole appearance is influenced, and the electric aluminum contains the water-based ink coating and aluminum washing procedures, so that the production cost is increased, and a certain burden is caused to the environment. Therefore, there is a need in the market for an electrochemical aluminum with good trimming properties, without jagged edges when stamping fine lines.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to solve the technical problems that: provided is an alumite with good trimming property, which has no burrs or serrated edges on the pattern after hot stamping the alumite to the bottle cap.
The electrochemical aluminum with good edge cutting performance comprises a base material layer, a release layer, a color layer, a coating layer and a back adhesive layer which are sequentially arranged from top to bottom, wherein an edge cutting layer is arranged between the color layer and the coating layer, and a printing layer is arranged between the edge cutting layer and the coating layer.
Wherein:
the substrate layer is a biaxially oriented polyester film.
Preferably, the polyester film is a PET film having a thickness of 10-50 microns and a corona value greater than 38 dynes.
The release layer is prepared by coating aqueous wax emulsion on the corona surface of the substrate layer, and the peel strength of the release layer and the substrate layer after coating is 1-4 newtons/meter.
The color layer is formed by coating 802 resin and toner, and the color is transparent light gold.
The trimming layer is formed by coating silica gel powder. Preferably, the mesh number of the silica gel powder is 300-400 mesh.
The printing layer consists of a two-dimensional code and a positioning cursor.
The coating layer is an aluminized layer with the thickness of 300-500 angstroms. Is formed by evaporating metallic aluminum on the trimming layer and the printing layer.
The back adhesive layer is prepared by coating 718A and 718B bi-component paint.
The electrochemical aluminum with good edge cutting performance is prepared by the following preparation method:
1) Selecting a polyester film with a corona value greater than 38 dynes as a substrate layer;
2) Coating aqueous wax emulsion on the corona surface of the substrate layer, and drying in a drying tunnel to form a release layer;
3) Coating a light golden solution mixed by toner and 802 resin on the release layer, and drying to form a transparent light golden layer;
4) Coating silica gel powder on the color layer to form a trimming layer;
5) Printing a two-dimensional code and positioning a cursor on the trimming layer to form a printing layer;
6) Evaporating metal aluminum on the trimming layer and the printing layer to form a coating layer;
7) Coating a bi-component coating on the coating layer to form a back adhesive layer;
8) Slitting and rewinding, namely slitting the electrochemical aluminum film into electrochemical aluminum film strips with specific lengths and widths.
Compared with the prior art, the utility model has the beneficial effects that:
1. after the electrochemical aluminum with good edge cutting performance is subjected to hollowed-out thermoprinting on the bottle cap, the thermoprinted image-text area has no serrated edge and burr, has good edge cutting performance, is beneficial to being applied to a full-automatic bottle cap gilding press for carrying out high-speed gilding, and improves the production efficiency.
2. The electrochemical aluminum with good edge cutting performance has the edge cutting layer, after the electrochemical aluminum is hot stamped on the bottle cap, the edge cutting layer and the color layer can protect the printing layer and the coating layer, the coating layer has good light reflecting effect, does not blacken, and the metal aluminum can keep lasting light reflecting performance.
3. The trimming layer of the electrochemical aluminum with good trimming property has no film forming substance, plays a role in trimming a color layer during thermoprinting, is prepared by coating and drying, has simple process and is easy for industrial production.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
in the figure: 1. a substrate layer; 2. a release layer; 3. a color layer; 4. trimming layers; 5. printing a layer; 6. a coating layer; 7. and (5) a back adhesive layer.
Detailed Description
Embodiments of the present utility model are further described below with reference to the accompanying drawings.
Example 1
The electrochemical aluminum with good edge cutting performance comprises a base material layer 1, a release layer 2, a color layer 3, a coating layer 6 and a back adhesive layer 7 which are sequentially arranged from top to bottom, wherein an edge cutting layer 4 is arranged between the color layer 3 and the coating layer 6, and a printing layer 5 is arranged between the edge cutting layer 4 and the coating layer 6.
The substrate layer 1 was biaxially oriented polyester film with a corona value of 38 dynes and a thickness of 12 μm. The release layer 2 is formed by coating aqueous wax emulsion on the corona surface of the substrate layer 1 and drying in a drying tunnel, wherein the wet coating amount of the aqueous wax is 5.3g/m 2 The coating speed was 50m/min. Coating light golden solution mixed by toner and 802 resin on the release layer, drying to form light golden color layer 3, wherein the wet coating weight of the color layer is 6.5g/m 2 The coating speed was 60m/min. The silica gel powder was coated on the color layer 3 to form a trimming layer 4, a 200 mesh anilox roll was used for coating, and the wet coating amount was 4.5g/m 2 The coating dry weight was 0.75g/m 2 . The two-dimensional code and the positioning light mark are printed on the trimming layer 4 to form a printing layer 5. Metal aluminum is evaporated on the trimming layer 4 and the printing layer 5 to form a coating film layer 6. Coating 718A and 718B resin on the film coating layer 6 to form a back adhesive layer 7, wherein the dry coating amount of the back adhesive layer 7 is 2.0g/m 2 . According to the use requirement, the electrochemical aluminum film is cut into electrochemical aluminum with specific width, and the electrochemical aluminum with good trimming property is obtained.
The electrochemical aluminum obtained in the embodiment is subjected to hot stamping on the PE bottle cap, the hot stamping temperature is 195 ℃, the hot stamping time is 0.8 seconds, the hot stamping pressure is 25kPa, and the edges of the hot stamped image-text lines are neat and have no burr phenomenon.
Example 2
The electrochemical aluminum with good edge cutting performance comprises a base material layer 1, a release layer 2, a color layer 3, a coating layer 6 and a back adhesive layer 7 which are sequentially arranged from top to bottom, wherein an edge cutting layer 4 is arranged between the color layer 3 and the coating layer 6, and a printing layer 5 is arranged between the edge cutting layer 4 and the coating layer 6.
The substrate layer 1 was biaxially oriented polyester film with a corona value of 38 dynes and a thickness of 50 μm. The release layer 2 is formed by coating aqueous wax emulsion on the corona surface of the substrate layer 1 and drying in a drying tunnel, wherein the wet coating amount of the aqueous wax is 3.5g/m 2 . Coating light golden solution mixed by toner and 802 resin on the release layer, drying to form light golden color layer 3, wherein the wet coating weight of the color layer is 6.5g/m 2 The coating speed was 60m/min. The silica gel powder was coated on the color layer 3 to form a trimming layer 4, a 200 mesh anilox roll was used for coating, and the wet coating weight was 5.0g/m 2 The coating dry weight was 0.80g/m 2 . The two-dimensional code and the positioning light mark are printed on the trimming layer 4 to form a printing layer 5. Metal aluminum is evaporated on the trimming layer 4 and the printing layer 5 to form a coating film layer 6. Coating 718A and 718B resin on the film coating layer 6 to form a back adhesive layer 7, wherein the dry coating amount of the back adhesive layer 7 is 2.3g/m 2 . According to the use requirement, the electrochemical aluminum film is cut into electrochemical aluminum with specific width, and the electrochemical aluminum with good trimming property is obtained.
The electrochemical aluminum obtained in the embodiment is subjected to hot stamping on the PE bottle cap, the hot stamping temperature is 200 ℃, the hot stamping time is 0.9 seconds, the hot stamping pressure is 30kPa, and the edges of the hot stamped image-text lines are neat and have no burr phenomenon.
Of course, the above description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model in any way, and any person skilled in the art may make modifications or alterations to the disclosed technical content to equivalent embodiments. However, any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present utility model still fall within the protection scope of the technical solution of the present utility model.
Claims (9)
1. An electrochemical aluminum with good trimming property, which is characterized in that: including substrate layer (1), release layer (2), colour layer (3), coating film layer (6), gum layer (7) that from the top down set gradually, be equipped with between colour layer (3) and coating film layer (6) and cut edge layer (4), be equipped with printing layer (5) between cut edge layer (4) and coating film layer (6).
2. An electrochemical aluminium with good edge cutting properties according to claim 1, characterized in that: the substrate layer (1) is a biaxially oriented polyester film.
3. An electrochemical aluminium with good edge cutting properties according to claim 2, characterized in that: the polyester film is a PET film with the thickness of 10-50 micrometers.
4. An electrochemical aluminium with good edge cutting properties according to claim 1, characterized in that: the release layer (2) is formed by coating aqueous wax emulsion.
5. An electrochemical aluminium with good edge cutting properties according to claim 1, characterized in that: the color layer (3) is formed by coating 802 resin and toner, and the color is transparent light gold.
6. An electrochemical aluminium with good edge cutting properties according to claim 1, characterized in that: the trimming layer (4) is formed by coating silica gel powder.
7. An electrochemical aluminium with good edge cutting properties according to claim 1, characterized in that: the printing layer (5) consists of a two-dimensional code and a positioning cursor.
8. An electrochemical aluminium with good edge cutting properties according to claim 1, characterized in that: the coating layer (6) is an aluminized layer with the thickness of 300-500 angstroms.
9. An electrochemical aluminium with good edge cutting properties according to claim 1, characterized in that: the back adhesive layer (7) is formed by coating 718A and 718B two-component paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321091709.8U CN219927358U (en) | 2023-05-09 | 2023-05-09 | Electrochemical aluminum with good edge cutting performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321091709.8U CN219927358U (en) | 2023-05-09 | 2023-05-09 | Electrochemical aluminum with good edge cutting performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219927358U true CN219927358U (en) | 2023-10-31 |
Family
ID=88491893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321091709.8U Active CN219927358U (en) | 2023-05-09 | 2023-05-09 | Electrochemical aluminum with good edge cutting performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219927358U (en) |
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2023
- 2023-05-09 CN CN202321091709.8U patent/CN219927358U/en active Active
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