CN214336159U - Laser concealed anti-fake mark - Google Patents
Laser concealed anti-fake mark Download PDFInfo
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- CN214336159U CN214336159U CN202120662213.6U CN202120662213U CN214336159U CN 214336159 U CN214336159 U CN 214336159U CN 202120662213 U CN202120662213 U CN 202120662213U CN 214336159 U CN214336159 U CN 214336159U
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Abstract
The utility model belongs to the technical field of the false proof mark, concretely relates to laser cryptotype false proof mark. The mark comprises a plastic film layer, a coating, a die-pressing holographic information layer, a local transfer coating, a polyamide layer, a printing layer, a color ink layer and a pressure-sensitive adhesive layer which are arranged from top to bottom in sequence; the anti-counterfeiting mark can be uncovered, the stripping part is a part above the local transfer coating, and the bottom remaining part is the local transfer coating and a part below the local transfer coating. The utility model has good temperature and humidity resistance effect, unique anti-counterfeiting information, difficult counterfeiting and quick identification, layered damage, no integral transfer and effective prevention of secondary use; after the anti-counterfeiting mark is uncovered, the upper surface and the lower surface of the peeling part both display hidden laser effects, the bottom retaining part also displays 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 mark has exclusivity.
Description
Technical Field
The utility model belongs to the technical field of the false proof mark, concretely relates to laser cryptotype false proof mark.
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, so that the mark which is difficult to forge and can quickly identify the authenticity of the product can be provided for the purified market, the legal rights and interests of genuine product producers and sellers and consumers are protected, and the economic and healthy development of the socialist market is ensured.
Most of anti-counterfeiting marks on the market are single in form, simple in preparation process and easy to imitate or transfer for secondary use. The current trend of anti-counterfeiting means is as follows: fine management, one mark and one code, and some application fields require that each identification of goods supply needs to be activated and is completely attached to a product.
Chinese patent CN202601083U has announced a membrane false proof mark is moulded to dive laser type, false proof mark is from last to including scraping the china ink layer down in proper order, moulding the membrane substrate layer, information layer, separating layer, digital printing layer and viscose layer, 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 rule or anomalous unsmooth, closely 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.
However, the anti-counterfeit mark described in the patent has a problem in practical use: when the mark is taken from the base paper in a high-temperature and high-humidity environment, the phenomenon that the bottom layer of the mark falls off from the release paper easily occurs, and the popularization and the application of the technology in the southern humid and hot environment are seriously restricted. In addition, the anti-counterfeiting information in the mark is single, and the anti-counterfeiting effect is limited.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a laser secret type anti-counterfeiting mark which has good temperature and humidity resistance effect, unique anti-counterfeiting information, difficult counterfeiting and quick identification, layered damage and no integral transfer, and can effectively prevent secondary use; after revealing anti-counterfeiting mark, peel off the partial upper and lower two sides and all show and hide the laser effect to leave the end part and show equally and hide laser information, the consumer judges the sign true and false through distinguishing hidden information, when the while is bonded together again, hides laser information and still shows, makes the sign have exclusivity utility model.
The utility model discloses a laser hidden anti-counterfeiting mark, which comprises a plastic film layer, a coating, a die pressing holographic information layer, a local transfer coating, a polyamide layer, a printing layer, a color ink layer and a pressure sensitive adhesive layer which are arranged from top to bottom in sequence;
the anti-counterfeiting mark can be uncovered and is divided into a stripping part and a bottom retaining part, wherein the stripping part is a part above the local transfer coating, and the bottom retaining part is a part below the local transfer coating and the local 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 be transparent chromatograph, transparent chromatograph is colorless transparent chromatograph or light color transparent chromatograph, prefers light color transparent chromatograph (light color transparent chromatograph is more outstanding than colorless transparent chromatograph on the holographic information display of mould pressing), forms the holographic information layer of mould pressing on the surface after the mould pressing, can be special version logo, picture and text etc..
The thickness of the local transfer coating is 0.8-3 microns, the local transfer coating is coated below the die pressing holographic information layer, and the die pressing holographic (laser information) information is hidden.
The thickness of the polyamide layer is 1.0-3.5g/m2. The polyamide layer plays a role in improving the adhesive force of the printing layer and solves the problem that the sub-layer falls off during the time taking. The embossed holographic information not covered by the partial transfer coating is further covered by the polyamide layer, which plays a role in hiding the embossed holographic information.
The printing layer information comprises pictures and texts and variable information, and the variable information can be a two-dimensional code, a one-dimensional code, a variable number, a verification code 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 printing layer.
Preferably, a prompt text layer is arranged above the partial covering layer.
Preferably, a release paper layer is arranged below the pressure sensitive adhesive layer.
The preparation method of the laser concealed anti-counterfeiting mark comprises the following steps: the method comprises the following steps:
1) coating a coating below the plastic film layer;
2) performing die pressing on the coating to form a die-pressed holographic information layer;
3) coating a local transfer coating on the layer surface of the die pressing holographic information, and enabling the die pressing holographic information to disappear after coating;
4) coating a polyamide layer on the local transfer coating;
5) printing on the polyamide layer to form a printing layer, wherein the information of the printing layer comprises variable information;
6) and coating a color ink layer, and performing die cutting after coating to form the laser concealed anti-counterfeiting mark.
In the step 1), 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 by using a 150-mesh and 250-mesh electric carving roller, preferably 180-mesh; the coating weight is 0.5-0.8g/m2And drying temperature: 90-120-180-140 ℃, vehicle speed: 50-80 m/min.
In the step 2), 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 the step 3), the local transfer coating is local positioning coating and is divided into two parts, the area corresponding to the variable information is completely coated, warning local coating is set at other positions, if characters such as uncovering failure and VOID are uncovered, a transparent laser effect with warning characters appears when the characters are uncovered, and the variable information part is completely uncovered and has a transparent laser effect.
In step 3), the local transfer coating is coated by using UV coating liquid with the mark 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 4), the coating process of the polyamide layer 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 printing layer are easy to fall off from the local transfer coating when the printing layer is uncovered, so that no laser information is displayed locally when the printing layer is uncovered. After the polyamide layer is coated, the T-type peel strength between the local transfer coating and the molded holographic information layer is as follows: 0.0010-0.0030N/mm (GB/T2791-1995 adhesive T Peel Strength test method Flexible vs. Flexible). When T peel strength is less than 0.0010, the printing layer is easily peeled off, and when T peel strength is greater than 0.0030N/mm, the printing layer is easily broken when peeled off.
Preferably, in step 6), after the glue is applied, a partial covering layer is arranged on the plastic film layer at a position corresponding to the variable information.
Preferably, a prompt text layer is printed on the partial covering layer.
When the consumer identifies the authenticity:
1. observing the surface of the mark, hiding the holographic laser effect and not displaying; when the mark is uncovered, the mark is divided into a stripping part and a bottom-keeping part, the front surface and the back surface of the stripping part both display hidden transparent laser information, and the bottom-keeping part also displays hidden 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 printing layer is scanned, and the functions of anti-counterfeiting, tracing, prize exchanging and the like can be realized. The variable information of the printing layer is scanned, and the verification 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 printing layer is adopted, the variable information of the printing layer is displayed after being uncovered, and the functions of anti-counterfeiting, tracing, prize exchange and the like can be realized. The variable information of the printing layer is scanned, and the verification of the laser information can be prompted.
Compared with the prior art, the beneficial effects of the utility model are 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 surfaces of the peeling part and the surface layer of the bottom remaining part after the mark is uncovered.
2. The mark has the uncovering function, the transfer prevention performance is strong, the mark is destroyed after being uncovered, meanwhile, the provided process solves the problems that the printed pictures and texts are incomplete after being uncovered and no laser information exists after being uncovered, and the product is stable.
3. The utility model provides a method for improving the temperature and humidity resistance of laser uncovering type marks.
Drawings
Fig. 1 is a schematic view of a layer structure of a laser concealed type anti-counterfeit mark in embodiment 1 of the present invention;
fig. 2 is a schematic view of a layer structure of a laser hidden anti-counterfeit mark in embodiment 2 of the present invention;
in the figure: 1. a plastic film layer; 2. coating; 3. embossing the holographic information layer; 4. locally transferring the coating; 5. a polyamide layer; 6. printing layer; 7. a color ink layer; 8. a pressure sensitive adhesive layer; 9. a partial capping layer; 10. a prompt text layer; 11. and (7) a release paper layer.
Detailed Description
The invention is further described with reference to the following 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 laser-invisible anti-counterfeit mark comprises a plastic film layer 1, a coating layer 2, a die-pressing holographic information layer 3, a local transfer coating layer 4, a polyamide layer 5, a printing layer 6, a color ink layer 7 and a pressure-sensitive adhesive layer 8 which are arranged in sequence from top to bottom;
the anti-counterfeiting mark can be uncovered and is divided into a stripping part and a bottom-remaining part, wherein the stripping part is a part above the local transfer coating 4, and the bottom-remaining part is the part below the local transfer coating 4 and the local transfer coating 4.
The plastic film layer 1 is a 12-micron plastic film, and the plastic film is a PP film.
The coating 2 is a colorless transparent color layer, and a die-pressed holographic information layer 3 which is a special logo is formed on the surface of the coating after die pressing.
The thickness of the local transfer coating 4 is 0.8 micron, the local transfer coating 4 is coated below the die pressing holographic information layer 3, and the die pressing holographic (laser information) information is hidden. The partial transfer coating 4 is applied over the lock-in (non-release around the logo) and at least one edge of the logo is free of the transfer coating.
The information of the printing layer 6 comprises pictures and texts and variable information, and the variable information is a two-dimensional code.
The preparation method of the laser concealed anti-counterfeiting mark comprises the following specific steps:
1) coating a coating layer 2 below the plastic film layer 1;
2) performing embossing on the coating layer 2 to form an embossed holographic information layer 3;
3) coating a layout part 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;
4) coating a polyamide layer 5 on the local transfer coating 4;
5) printing on the polyamide layer 5 to form a printing layer 6, wherein the information of the printing layer 6 comprises variable information;
6) and coating the color ink layer 7, and performing die cutting after coating to form the laser concealed anti-counterfeiting mark.
In the step 1), 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 180-mesh electric carving roller, wherein the coating weight is 0.5g/m2And drying temperature: 90-120-180-140 ℃, vehicle speed: 50 m/min.
In the step 3), the local transfer coating 4 is local positioning coating and is divided into two parts, the variable information corresponding area is completely coated, characters such as warning local coating and VOID are set at other positions, a transparent laser effect with warning characters appears when the variable information part is uncovered, and the transparent laser effect appears. The local transfer coating 4 was applied using a UV coating liquid, available from shanghai one code industries ltd, with a designation of 1580. The coating process is anilox roller coating, the mesh number is 360 meshes, and UV light curing is performed.
In step 4), 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. When the polyamide layer 5 is not provided, the printed pictures and texts on the printing layer 6 are easy to fall off from the local transfer coating 4 when being uncovered, so that no laser information is displayed locally when being uncovered. After the polyamide layer 5 is coated, the T-peel strength between the partial transfer coating 4 and the embossed holographic information layer 3 is: 0.0030N/mm.
Example 2
As shown in fig. 2, the laser-invisible anti-counterfeit mark comprises a plastic film layer 1, a coating layer 2, a die-pressing holographic information layer 3, a local transfer coating layer 4, a polyamide layer 5, a printing layer 6, a color ink layer 7 and a pressure-sensitive adhesive layer 8 which are arranged in sequence from top to bottom;
the anti-counterfeiting mark can be uncovered and is divided into a stripping part and a bottom-remaining part, wherein the stripping part is a part above the local transfer coating 4, and the bottom-remaining part is the part below the local transfer coating 4 and the local transfer coating 4.
The plastic film layer 1 is a 38 mu m plastic film, and the plastic film is a holographic aluminum washing film.
The coating 2 is a light-colored transparent layer, and a molded holographic information layer 3 which is image-text information is formed on the surface after molding.
The thickness of the local transfer coating 4 is 3 microns, the local transfer coating 4 is coated below the die pressing holographic information layer 3, and the die pressing holographic (laser information) information is hidden. The partial transfer coating 4 is applied over the lock-up (the mark is not revealed around it),
the information of the printing layer 6 comprises pictures and texts and variable information, and the variable information is a verification code.
A partial covering layer 9 is arranged above the plastic film layer 1 corresponding to the position of the variable information of the printing layer 6.
A prompt text layer 10 is arranged above the partial covering layer 9.
And a release paper layer 11 is arranged below the pressure-sensitive adhesive layer 8.
This arrangement can achieve: when the mark is uncovered, the mark is partially uncovered; the uncovered part is provided with a pressure-sensitive adhesive, the pressure-sensitive adhesive is used for adhering and uncovering again in the uncovered area, the uncovered area is locally damaged, and the anti-counterfeiting performance and function of the mark are improved
The preparation method of the laser concealed anti-counterfeiting mark comprises the following specific steps:
1) coating a coating layer 2 below the plastic film layer 1;
2) performing embossing on the coating layer 2 to form an embossed holographic information layer 3;
3) coating a layout part 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;
4) coating a polyamide layer 5 on the local transfer coating 4;
5) printing on the polyamide layer 5 to form a printing layer 6, wherein the information of the printing layer 6 comprises variable information;
6) and coating the color ink layer 7, and performing die cutting after coating to form the laser concealed anti-counterfeiting mark.
In the step 1), the coating 2 adopts laser aluminizing paintCoating, wherein the laser aluminizing paint adopts 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: 80 m/min.
In the step 2), the die pressing is carried out by adopting a die pressing information plate, 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 the step 3), the local transfer coating 4 is local positioning coating and is divided into two parts, the variable information corresponding area is completely coated, other positions are set as warning local coating, failure characters are uncovered, a transparent laser effect with warning characters appears when the failure characters are uncovered, and the variable information part is completely uncovered and has a transparent laser effect. The local transfer coating 4 was applied using a UV coating liquid, available from shanghai one code industries ltd, with a designation of 1580. The coating process is anilox roller coating, the mesh number is 180 meshes, and UV light curing is performed.
In step 4), the amount of the polyamide layer 5 applied was 3.5g/m2The coating process of the polyamide layer 5 is as follows: 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. When the polyamide layer 5 is not provided, the printed pictures and texts on the printing layer 6 are easy to fall off from the local transfer coating 4 when being uncovered, so that no laser information is displayed locally when being uncovered. After the polyamide layer 5 is coated, the T-peel strength between the partial transfer coating 4 and the embossed holographic information layer 3 is: 0.0010N/mm.
In the step 6), after the gluing is finished, a local covering layer 9 is arranged on the plastic film layer 1 corresponding to the position of the variable information. A prompt text layer 10 is printed on the partial covering layer 9. The partial covering layer 9 and the cue text layer 10 are prepared by a conventional method, and are not described in detail herein.
Comparative example 1
The structure and preparation method of the mark are the same as those of example 1, except that: without the polyamide layer 5.
Comparative example 2
The structure and preparation method of the mark are the same as those of example 1, except that: the full-size applied transfer coat is provided corresponding to the partial transfer coat 4.
The markers prepared by the above method were sampled 200 pieces at a time for testing, and the test results (number of bottom layer drops) are shown in table 1.
TABLE 1
Claims (7)
1. A laser hidden anti-counterfeiting mark is characterized in that: the transfer printing ink comprises a plastic film layer (1), a coating (2), a die pressing holographic information layer (3), a local transfer coating (4), a polyamide layer (5), a printing layer (6), a color ink layer (7) and a pressure sensitive adhesive layer (8) which are arranged from top to bottom in sequence;
the anti-counterfeiting mark can be uncovered and is divided into a stripping part and a reserved part, wherein the stripping part is a part above the local transfer coating (4), and the reserved part is the part below the local transfer coating (4) and the local transfer coating (4).
2. The laser concealed anti-counterfeiting mark according to claim 1, characterized in that: the plastic film layer (1) 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.
3. The laser concealed anti-counterfeiting mark according to claim 1, characterized in that: the coating (2) is a transparent color layer which is a colorless transparent color layer or a light color transparent color layer, and a die-pressed holographic information layer (3) is formed on the surface after die pressing.
4. The laser concealed anti-counterfeiting mark according to claim 1, characterized in that: the thickness of the local transfer coating (4) is 0.8-3 microns.
5. The laser concealed anti-counterfeiting mark according to claim 1, characterized in that: the information of the printing layer (6) comprises pictures and texts and variable information, and a local covering layer (9) is arranged above the plastic film layer (1) corresponding to the position of the variable information of the printing layer (6).
6. The laser concealed anti-counterfeiting mark according to claim 5, characterized in that: a prompt text layer (10) is arranged above the local covering layer (9).
7. The laser concealed anti-counterfeiting mark according to claim 1, characterized in that: and a release paper layer (11) is arranged below the pressure-sensitive adhesive layer (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120662213.6U CN214336159U (en) | 2021-03-31 | 2021-03-31 | Laser concealed anti-fake mark |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120662213.6U CN214336159U (en) | 2021-03-31 | 2021-03-31 | Laser concealed anti-fake mark |
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| CN214336159U true CN214336159U (en) | 2021-10-01 |
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| CN202120662213.6U Active CN214336159U (en) | 2021-03-31 | 2021-03-31 | Laser concealed anti-fake mark |
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- 2021-03-31 CN CN202120662213.6U patent/CN214336159U/en active Active
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