CN113160696A - Anti-counterfeiting card with uncovering verification information and preparation method thereof - Google Patents
Anti-counterfeiting card with uncovering verification information and preparation method thereof Download PDFInfo
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- CN113160696A CN113160696A CN202110350498.4A CN202110350498A CN113160696A CN 113160696 A CN113160696 A CN 113160696A CN 202110350498 A CN202110350498 A CN 202110350498A CN 113160696 A CN113160696 A CN 113160696A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F3/0291—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time
- G09F3/0294—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time where the change is not permanent, e.g. labels only readable under a special light, temperature indicating labels and the like
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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
- B41M3/008—Sequential or multiple printing, e.g. on previously printed background; Mirror printing; Recto-verso printing; using a combination of different printing techniques; Printing of patterns visible in reflection and by transparency; by superposing printed artifacts
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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
- B41M3/14—Security printing
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F3/0297—Forms or constructions including a machine-readable marking, e.g. a bar code
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M2205/00—Printing methods or features related to printing methods; Location or type of the layers
- B41M2205/40—Cover layers; Layers separated from substrate by imaging layer; Protective layers; Layers applied before imaging
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F2003/0257—Multilayer
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Abstract
本发明属于防伪标识技术领域，具体涉及一种揭开验证信息防伪卡及其制备方法。包括从上到下依次设置的塑膜层、涂层、模压全息信息层、转移涂层、聚酰胺层、第一印刷层、压敏胶层、全息彩虹转移层、第一胶水层、基材层；全息彩虹转移层包括激光模压信息层和镀铝层，激光模压信息层位于镀铝层上方；所述的防伪卡能够揭开，分为剥离部分和留底部分，剥离部分为转移涂层以上的部分，留底部分为转移涂层及转移涂层以下的部分。本发明防伪卡揭开后，剥离部分上下两面均显示隐藏的激光效果，留底部分显示彩虹全息效果和隐藏的激光效果，消费者通过鉴别隐藏信息，判断标识真伪，再粘合在一起时，隐藏激光信息依然显示；其制备方法简单易行。
The invention belongs to the technical field of anti-counterfeiting marks, and in particular relates to an anti-counterfeiting card for revealing verification information and a preparation method thereof. It includes a plastic film layer, a coating layer, a molded holographic information layer, a transfer coating, a polyamide layer, a first printing layer, a pressure-sensitive adhesive layer, a holographic rainbow transfer layer, a first glue layer, and a substrate that are arranged in sequence from top to bottom. The holographic rainbow transfer layer includes a laser-molded information layer and an aluminum-coated layer, and the laser-molded information layer is located above the aluminum-coated layer; the anti-counterfeiting card can be opened and is divided into a peeling part and a bottom-retaining part, and the peeling part is the transfer coating. The above part and the bottom part are divided into the transfer coating and the part below the transfer coating. After the anti-counterfeiting card of the present invention is uncovered, the upper and lower sides of the peeling part show the hidden laser effect, and the bottom part shows the rainbow holographic effect and the hidden laser effect. , the hidden laser information is still displayed; the preparation method is simple and easy.
Description
Technical Field
The invention belongs to the technical field of anti-counterfeiting marks, and particularly relates to an anti-counterfeiting card for uncovering verification information and a preparation method thereof.
Background
Counterfeit goods cause great harm and loss to enterprises and consumers, and the anti-counterfeiting technology is a means for preventing counterfeiting. The anti-counterfeiting technology is developed to provide marks, anti-counterfeiting cards and the like which are difficult to forge and can rapidly identify the authenticity of products for the purified market, so that the legitimate rights and interests of genuine product producers and consumers are protected.
Most of anti-counterfeiting cards on the market are single in form, simple in preparation process and easy to imitate or transfer for secondary use.
CN202601083U has announced that membrane false proof mark is moulded to dive laser type, false proof mark is from last to including scraping the china ink layer, moulding the membrane substrate layer, information layer, separating layer, digital printing layer and viscose layer down in proper order, and the information layer is prepared in the bottom surface of moulding the membrane substrate layer through the mould pressing printing technology, and the information layer surface has regular or anomalous unsmooth, closely the pressfitting with the separating layer. The laser information is hidden in the mark body, and the mark body is not shown before being uncovered and is shown after being uncovered, so that a counterfeiter cannot know the anti-counterfeiting technology in the mark body from the appearance and is difficult to counterfeit; after being uncovered, the laser information is retained on the surface layer of the pasted object and cannot be transferred away integrally; the mark can not only scrape off the anti-counterfeiting inquiry, but also uncover the anti-counterfeiting inquiry, and has various modes.
In addition, the anti-counterfeiting information in the mark is single, and the anti-counterfeiting effect is limited. At present, the uncovering type anti-counterfeiting card on the market is easily scratched from the base paper layer when being uncovered, so that the card is disorderly layered and cannot be damaged from a transfer layer, and the laser information is uncovered and the hidden variable information cannot be displayed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the anti-counterfeiting card for uncovering the verification information, which has the laser privacy effect, is difficult to forge and can be quickly identified, and the anti-counterfeiting card is damaged in a layering way during uncovering verification, so that the secondary use can be effectively prevented; after the anti-counterfeiting card is uncovered, the upper surface and the lower surface of the peeled part both display the hidden laser effect, the left part displays the rainbow holographic effect and the hidden laser information, a consumer judges the authenticity of the mark by identifying the hidden information, and when the mark is adhered together, the hidden laser information is still displayed, so that the anti-counterfeiting card has exclusivity; the invention also provides a preparation method of the composition, which is scientific, reasonable, simple and feasible.
The invention discloses an uncovering verification information anti-counterfeiting card, which comprises a plastic film layer, a coating, a die pressing holographic information layer, a transfer coating, a polyamide layer, a first printing layer, a pressure-sensitive adhesive layer, a holographic rainbow transfer layer, a first glue layer and a base material layer which are arranged from top to bottom in sequence; the holographic rainbow transfer layer comprises a laser molding information layer and an aluminum-plated layer, and the laser molding information layer is positioned above the aluminum-plated layer;
the anti-counterfeiting card can be uncovered and is divided into a stripping part and a bottom retaining part, wherein the stripping part is a part above the transfer coating, and the bottom retaining part is a part below the transfer coating and below the transfer coating.
Wherein:
the plastic film layer is a plastic film with the thickness of 12-38 mu m, and the plastic film is one of a PP film, a PET film or a holographic aluminum washing film.
The coating is a transparent color layer, the transparent color layer is a colorless transparent color layer or a light color transparent color layer, preferably the light color transparent color layer (the light color transparent color layer is more prominent on the display of the molded holographic information than the colorless transparent color layer), and the molded holographic information layer is formed on the surface after the molding.
The thickness of the transfer coating is 0.8-3 microns, the transfer coating is coated below the die pressing holographic information layer, and the die pressing holographic information is hidden.
The polyamide layer plays a role in improving the adhesion of the printing layer. The transfer coating is a partial coating, and the die pressing holographic information which is not covered by the transfer coating is further covered by the polyamide layer to play a role in hiding the die pressing holographic information.
The first printing layer information comprises pictures and texts and variable information, and the variable information can be two-dimensional codes, one-dimensional codes, variable numbers and the like.
Preferably, a partial covering layer is arranged above the plastic film layer corresponding to the position of the variable information of the first printing layer, and the partial or complete covering of the variable information is realized.
Preferably, a prompt image-text layer is arranged above the partial covering layer.
The substrate layer is one of paperboard, coated paper or synthetic paper, and has a thickness of 30-350g/m2。
Preferably, a second printing layer is arranged below the base material layer.
The invention relates to a preparation method of an anti-counterfeiting card for revealing verification information, which comprises the following steps:
1) coating transfer laser aluminizing paint on a PET film, and performing mould pressing by using a mould pressing and printing integrated machine to obtain a laser mould pressing information layer;
2) performing full-page aluminizing by using a vacuum aluminizing technology to obtain an aluminized layer, wherein the laser mould pressing information layer and the aluminized layer form a holographic rainbow transfer layer;
3) the holographic rainbow transfer layer is combined with the base material layer, and the PET layer is stripped to form the base material layer with holographic rainbow effect;
4) coating a coating below the plastic film layer;
5) performing die pressing on the coating to form a die-pressed holographic information layer;
6) coating a transfer coating on the layer surface of the die pressing holographic information, and enabling the die pressing holographic information to disappear after coating;
7) applying a polyamide layer over the transfer coating;
8) printing on the polyamide layer to form a first printing layer, wherein the information of the first printing layer comprises variable information;
9) compounding the variable information surface and the rainbow holographic effect surface of the base material layer with the rainbow holographic effect, and performing die cutting to form the anti-counterfeiting card for revealing the verification information.
In step 1), transferThe coating weight of the laser coating is 1.2-1.3g/m2And the T-shaped peeling strength between the transfer laser coating and the PET film is less than 0.0015N/mm (GB/T2791-1995 adhesive T peeling strength test method flexible material to flexible material), and when the T-shaped peeling strength is more than 0.0015N/mm, incomplete transfer or foaming phenomenon is easily caused during peeling, and the surface effect of finished product marks and the secondary use of the PET film are influenced. Preferably, the laser transfer aluminum plating coating adopted in the step 1) is a BH-1001C type laser transfer aluminum plating coating purchased from Shanghai Weikai new photoelectric material Co.
In the step 4), the coating is coated by using laser aluminizing paint, wherein the laser aluminizing paint is preferably FL-7104B type composite laser aluminizing paint which is purchased from Shanghai Weikai chemicals Co. The coating process comprises the following steps: coating with 150-mesh 250-mesh electrical carving roller, wherein the coating weight is 0.5-0.8g/m2And drying temperature: 90-120-180-140 ℃, vehicle speed: 70 m/min.
In the step 5), the die pressing is carried out by adopting a die pressing information plate, preferably, a point light source encryption plate making technology is adopted when the die pressing information plate is prepared, after the die pressing is finished, the laser information cannot be observed under natural light, and the laser information can be observed by using a point light source such as a mobile phone lamp. Specifically, when the surface of the mark is observed, the molding laser information is not displayed, after the mark is uncovered, the hidden molding laser information is not displayed, and only after the mark is uncovered, the point light source is adopted for irradiation to enable the molding laser information to be visible.
In step 6), the transfer coating is coated by using UV coating liquid with the brand number of 1580, which is purchased from Shanghai Yi code industry Co. The coating process is anilox roller coating, the mesh number is 180-360 meshes, and UV light curing is performed.
In the step 7), the coating weight of the polyamide layer is 1.0 to 3.5g/m2. The coating process comprises the following steps: the polyamide material was dissolved in isopropanol and then coated, the coating temperature: 70-90 ℃, anilox mesh number: 100- "250 mesh", coating viscosity (coating-4 cup): 13-20', vehicle speed: 50 m/min. When the polyamide layer is not provided, the printed pictures and texts on the first printing layer are easy to fall off from the transfer coating when the polyamide layer is uncovered, so that no laser information is displayed locally when the polyamide layer is uncovered. After the polyamide layer is coated, the coating is transferred and the holographic information is moldedThe T-peel strength between layers was: 0.0010-0.0030N/mm (GB/T2791-1995 adhesive T Peel Strength test method Flexible vs. Flexible). When the T peel strength is less than 0.0010, the first printed layer is easily broken when the first printed layer is peeled off, and when the T peel strength is greater than 0.0030N/mm, the first printed layer is easily peeled off.
And 9), compounding the variable information surface and the rainbow holographic effect surface of the base material layer with the rainbow holographic effect by using a pressure-sensitive adhesive. Preferably, the pressure-sensitive adhesive is coated by adopting a local coating mode, one edge of the pressure-sensitive adhesive can be uncoated, and the pressure-sensitive adhesive can be coated by adopting a point coating mode or a stripe coating mode on the whole body to realize local compounding. And (3) carrying out UV light curing after local compounding by using UV pressure-sensitive adhesive, wherein the process parameter is 115 meshes, and positioning plate printing. The design is that when the card mark is uncovered, the card mark is easily scratched from the base paper layer, so that the card is disorderly layered and cannot be damaged from the transfer layer, and the mark is uncovered with the laser information and the hidden variable information and cannot be displayed.
When the consumer identifies the authenticity:
1. observing the surface of the anti-counterfeiting card, wherein the anti-counterfeiting card has a holographic rainbow effect with metallic luster, and the hidden holographic laser effect is not displayed; when the anti-counterfeiting card is uncovered, the anti-counterfeiting card is divided into a stripping part and a bottom-remaining part, the front surface and the back surface of the stripping part both display hidden transparent laser information, and the bottom-remaining part displays hidden aluminized holographic laser information; when the laser light is recombined, the laser light information is still displayed and cannot be restored.
2. The variable information of the first printing layer is scanned, so that the functions of anti-counterfeiting, tracing, prize exchanging and the like can be realized. The variable information of the first printing layer is scanned, and the verification of the laser information can be prompted.
3. The technical scheme that the partial covering layer is arranged above the plastic film layer at the position corresponding to the variable information of the first printing layer is that the variable information of the first printing layer is displayed after being uncovered, so that the functions of anti-counterfeiting, tracing, prize exchange and the like can be realized. The variable information of the first printing layer is scanned, and the verification of the laser information can be prompted.
Compared with the prior art, the invention has the beneficial effects that:
1. the adoption of a secret anti-counterfeiting technology is easy to identify: the laser die pressing information is not displayed before being uncovered, and the laser die pressing information can be displayed on the upper and lower parts of the peeling part and the surface layer of the bottom remaining part after the anti-counterfeiting card is uncovered.
2. The functions of transparent laser hidden information display, aluminized holography (holographic rainbow) and laser hidden information display are realized at one time by breaking through the laser submerging technology. At present, aluminum-plated holographic laser hidden marks on the market are usually covered by a layer of opaque base material, and after the base material is uncovered, shielded laser information is seen, but aluminum-plated information is not available.
3. The technological parameters of secondary use of laser transfer are provided, the process is environment-friendly, and the film for transfer can be circulated for infinite times theoretically by applying the technology.
4. The anti-counterfeiting card is destroyed after being uncovered, and the provided process solves the problems of incomplete printed pictures and texts after being uncovered and no laser information after being uncovered, and has stable product quality.
5. The holographic rainbow is integrated with the printed patterns, has holographic anti-counterfeiting information, is colorful and beautiful, has metallic luster, strong three-dimensional sense, has visual impact, is not easy to be imitated, has good anti-counterfeiting effect, and simultaneously is visually identified and has good anti-counterfeiting effect. The anti-counterfeiting card is damaged in the verification process, secondary use can be effectively prevented, the requirement of enterprises on high anti-counterfeiting performance is met, the grade of the product is improved, the attractiveness is improved, and the anti-counterfeiting card is suitable for high-grade commodities.
6. The preparation method provided by the invention is scientific, reasonable, simple and feasible.
Drawings
FIG. 1 is a schematic diagram of a layer structure of an anti-counterfeit card with verification information uncovered in embodiment 1 of the present invention;
FIG. 2 is a schematic diagram of a layer structure of an anti-counterfeit card with verification information uncovered in embodiment 2 of the present invention;
fig. 3 is an effect diagram of the uncovered authentication information anti-counterfeit card of the present invention on the left, an effect diagram of the uncovered bottom-left portion of the uncovered authentication information anti-counterfeit card of the present invention in the middle, and an effect diagram of the uncovered peeled portion of the uncovered authentication information anti-counterfeit card of the present invention on the right, wherein the mark shown in fig. 3 is not provided with a prompt image-text layer, and the rest is the same as that of the embodiment 2;
in the figure: 1. a plastic film layer; 2. coating; 3. embossing the holographic information layer; 4. transferring the coating; 5. a polyamide layer; 6. a first printed layer; 7. a pressure sensitive adhesive layer; 8. laser embossing the information layer; 9. plating an aluminum layer; 10. a first glue layer; 11. a substrate layer; 12. A partial capping layer; 13. a prompt graphic layer; 14. and a second printed layer.
Detailed Description
The invention is further described below with reference to the figures and examples.
The raw materials used in the examples were all common commercially available raw materials except for specific descriptions.
Example 1
As shown in fig. 1, the uncovering verification information anti-counterfeiting card comprises a plastic film layer 1, a coating layer 2, a die-pressing holographic information layer 3, a transfer coating layer 4, a polyamide layer 5, a first printing layer 6, a pressure-sensitive adhesive layer 7, a holographic rainbow transfer layer, a first adhesive layer 10 and a base material layer 11 which are arranged in sequence from top to bottom; the holographic rainbow transfer layer comprises a laser mould pressing information layer 8 and an aluminum coating 9, wherein the laser mould pressing information layer 8 is positioned above the aluminum coating 9;
the anti-counterfeiting card can be uncovered and is divided into a stripping part and a bottom-remaining part, wherein the stripping part is a part above the transfer coating 4, and the bottom-remaining part is the transfer coating 4 and a part below the transfer coating 4.
Wherein:
the plastic film layer 1 is a 12-micron plastic film, and the plastic film is a PET film.
The coating 2 is a light-colored transparent layer, and a molded holographic information layer 3 is formed on the surface of the coating after molding.
The thickness of the transfer coating 4 was 3 microns.
The information of the first printing layer 6 comprises pictures and texts and variable information (two-dimensional code).
The preparation method of the anti-counterfeiting card for revealing the verification information comprises the following specific steps:
1) coating transfer laser aluminizing paint on the PET film, and performing mould pressing by using a mould pressing and printing integrated machine to obtain a laser mould pressing information layer 8;
2) performing full-plate aluminum plating by using a vacuum aluminum plating technology to obtain an aluminum plating layer 9, wherein the laser mould pressing information layer 8 and the aluminum plating layer 9 form a holographic rainbow transfer layer;
3) the holographic rainbow transfer layer is combined with the substrate layer 11, and the PET layer is stripped to form the substrate layer 11 with holographic rainbow effect;
4) coating a coating layer 2 below the plastic film layer 1;
5) performing embossing on the coating layer 2 to form an embossed holographic information layer 3;
6) coating a transfer coating 4 on the surface of the die pressing holographic information layer 3, and enabling the die pressing holographic information to disappear after coating;
7) coating a polyamide layer 5 on the transfer coating 4;
8) printing on the polyamide layer 5 to form a first printing layer 6, wherein the information of the first printing layer 6 comprises variable information;
9) the variable information surface and the rainbow holographic effect surface of the substrate layer 11 with the rainbow holographic effect are compounded together, and the anti-counterfeiting card with the revealing verification information is formed through die cutting.
In the step 1), the coating weight of the transfer laser coating is 1.3g/m2The adopted laser transfer aluminum-plating coating is BH-1001C type laser transfer aluminum-plating coating.
In the step 4), the coating 2 is coated with laser aluminizing paint, and the laser aluminizing paint is FL-7104B type composite laser aluminizing paint. The coating process comprises the following steps: coating with 250 mesh electric carving roller, wherein the coating weight is 0.8g/m2And drying temperature: 90-120-180-140 ℃, vehicle speed: 70 m/min.
In step 6), the transfer coating 4 is coated with a UV coating liquid with a mark number of 1580, purchased from Shanghai Yi code industries, Ltd. The coating process is anilox roller coating, the mesh number is 180 meshes, and UV light curing is performed.
In step 7), the amount of the polyamide layer 5 applied was 3.5g/m2The coating process comprises the following steps: the polyamide material (TECHNOMET PA 6239) was dissolved in isopropanol and then coated, the coating temperature: 70 ℃, anilox mesh count: 100 mesh, coating viscosity (coat-4 cup): 20', vehicle speed: 50 m/min; after the polyamide layer 5 is coated, the T-peel strength between the transfer coating 4 and the embossed holographic information layer 3 is: 0.0010N/mm.
Example 2
As shown in fig. 2, the uncovering verification information anti-counterfeit card comprises a plastic film layer 1, a coating layer 2, a die-pressing holographic information layer 3, a transfer coating layer 4, a polyamide layer 5, a first printing layer 6, a pressure-sensitive adhesive layer 7 (a UV pressure-sensitive adhesive is coated locally, one edge of the UV pressure-sensitive adhesive is not coated with adhesive, so that the UV pressure-sensitive adhesive layer is not randomly layered when being uncovered), a holographic rainbow transfer layer, a first adhesive water layer 10 and a base material layer 11 which are arranged in sequence from top to bottom; the holographic rainbow transfer layer comprises a laser mould pressing information layer 8 and an aluminum coating 9, wherein the laser mould pressing information layer 8 is positioned above the aluminum coating 9;
the anti-counterfeiting card can be uncovered and is divided into a stripping part and a bottom-remaining part, wherein the stripping part is a part above the transfer coating 4 and all layers above the part, corresponding to the pressure-sensitive adhesive layer 7, not coated with glue, and the rest part is left with the bottom.
Wherein:
the plastic film layer 1 is a 38 mu m plastic film, and the plastic film is a PP film.
The coating layer 2 is a colorless transparent color layer, and a molded holographic information layer 3 is formed on the surface of the coating layer after molding.
The thickness of the transfer coating 4 is 0.8 microns.
The information of the first printing layer 6 comprises pictures and texts and variable information (two-dimensional code), and a local covering layer 12 is arranged above the plastic film layer 1 corresponding to the position of the variable information of the first printing layer 6.
A prompt graphic layer 13 is arranged above the partial covering layer 12.
A second printing layer 14 is arranged below the substrate layer 11.
The preparation method of the anti-counterfeiting card for revealing the verification information comprises the following specific steps:
1) coating transfer laser aluminizing paint on the PET film, and performing mould pressing by using a mould pressing and printing integrated machine to obtain a laser mould pressing information layer 8;
2) performing full-plate aluminum plating by using a vacuum aluminum plating technology to obtain an aluminum plating layer 9, wherein the laser mould pressing information layer 8 and the aluminum plating layer 9 form a holographic rainbow transfer layer;
3) the holographic rainbow transfer layer is combined with the substrate layer 11, and the PET layer is stripped to form the substrate layer 11 with holographic rainbow effect;
4) coating a coating layer 2 below the plastic film layer 1;
5) performing embossing on the coating layer 2 to form an embossed holographic information layer 3;
6) coating a transfer coating 4 on the surface of the die pressing holographic information layer 3, and enabling the die pressing holographic information to disappear after coating;
7) coating a polyamide layer 5 on the transfer coating 4;
8) printing on the polyamide layer 5 to form a first printing layer 6, wherein the information of the first printing layer 6 comprises variable information;
9) the variable information surface and the rainbow holographic effect surface of the substrate layer 11 with the rainbow holographic effect are compounded together, and the anti-counterfeiting card with the revealing verification information is formed through die cutting.
The partial covering layer 12, the prompting pattern layer 13 and the second printing layer 14 are prepared by a method commonly used in the prior art, and are not described in detail here.
In the step 1), the coating weight of the transfer laser coating is 1.2g/m2The adopted laser transfer aluminum-plating coating is BH-1001C type laser transfer aluminum-plating coating.
In the step 4), the coating 2 is coated with laser aluminizing paint, and the laser aluminizing paint is FL-7104B type composite laser aluminizing paint. The coating process comprises the following steps: coating with 150 mesh electric carving roller, wherein the coating weight is 0.5g/m2And drying temperature: 90-120-180-140 ℃, vehicle speed: 70 m/min.
In step 6), the transfer coating 4 is coated with a UV coating liquid with a mark number of 1580, purchased from Shanghai Yi code industries, Ltd. The coating process is anilox roller coating, the mesh number is 360 meshes, and UV light curing is performed.
In step 7), the amount of the polyamide layer 5 applied was 1.0g/m2The coating process comprises the following steps: the polyamide material (TECHNOMET PA 6239) was dissolved in isopropanol and then coated, the coating temperature: 90 ℃, anilox mesh count: 250 mesh, coating viscosity (coat-4 cup): 13', vehicle speed: 50 m/min; after the polyamide layer 5 is coated, the T-peel strength between the transfer coating 4 and the embossed holographic information layer 3 is: 0.0030N/mm.
Claims (10)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114170888A (en) * | 2021-12-07 | 2022-03-11 | 山东泰宝信息科技集团有限公司 | Double-code double-layer holographic laser anti-transfer utilization label capable of being collected at high speed and preparation method thereof |
| CN115384209A (en) * | 2022-09-30 | 2022-11-25 | 山东泰宝信息科技集团有限公司 | Invisible intelligent anti-counterfeiting electrochemical aluminum, and preparation method and application thereof |
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| CN115384209A (en) * | 2022-09-30 | 2022-11-25 | 山东泰宝信息科技集团有限公司 | Invisible intelligent anti-counterfeiting electrochemical aluminum, and preparation method and application thereof |
| CN115384209B (en) * | 2022-09-30 | 2023-08-25 | 山东泰宝信息科技集团有限公司 | Invisible intelligent anti-counterfeiting electrochemical aluminum, preparation method and application thereof |
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