CN115384209B - Invisible intelligent anti-counterfeiting electrochemical aluminum, preparation method and application thereof - Google Patents
Invisible intelligent anti-counterfeiting electrochemical aluminum, preparation method and application thereof Download PDFInfo
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- CN115384209B CN115384209B CN202211211046.9A CN202211211046A CN115384209B CN 115384209 B CN115384209 B CN 115384209B CN 202211211046 A CN202211211046 A CN 202211211046A CN 115384209 B CN115384209 B CN 115384209B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
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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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Abstract
The application belongs to the technical field of anti-fake materials, and particularly relates to invisible intelligent anti-fake electric aluminum, a preparation method and application thereof.
Description
Technical Field
The application belongs to the technical field of anti-counterfeiting materials, and particularly relates to invisible intelligent anti-counterfeiting electrochemical aluminum, a preparation method and application thereof.
Background
Counterfeiting is a counterfeiting behavior on famous products, and can damage public food safety and environmental safety, so that serious negative effects are caused, and advanced anti-counterfeiting technology can protect famous products.
The prior anti-counterfeiting technology is generally a visible anti-counterfeiting technology, including material anti-counterfeiting and digital anti-counterfeiting, the visible anti-counterfeiting technology is easy to identify, and is oriented to common consumers, the material anti-counterfeiting depends on the characteristics of the material, and consumers are required to identify anti-counterfeiting by naked eyes and experience, so that the anti-counterfeiting technology is easy to be counterfeited by other companies, the anti-counterfeiting technology is not suitable for independent anti-counterfeiting identification, the digital anti-counterfeiting technology is that consumers obtain true and false information by scanning two-dimensional codes through mobile phones, the digital is generally visible digital information easy to scan, and the counterfeiting is relatively easy.
The invisible anti-counterfeiting technology can use invisible ink for printing, the infrared invisible ink is common invisible ink, the infrared invisible ink comprises infrared excitation ink and infrared absorption ink, the printed content of the infrared excitation ink emits visible light after being irradiated by infrared light, the visible light can be observed by naked eyes, and the infrared absorption ink is invisible after being irradiated by infrared light, and printed information can be seen only through special equipment.
The application of near infrared absorbing materials to invisible ink has been disclosed in a number of documents, but most infrared absorbing materials are easy to counterfeit, counterfeiters can easily use infrared absorbing materials which are easy to purchase in the market to prepare invisible ink by themselves, and the production of genuine products is greatly compromised.
Printing digital anti-counterfeiting information on the electrochemical aluminum can be used for conventional anti-counterfeiting, and the anti-counterfeiting information is a macroscopic two-dimensional code, a bar code or a file; the conventional invisible ink imitation difficulty cannot meet the demands of clients, so how to prepare the unique intelligent electrochemical aluminum with hidden anti-counterfeiting identification becomes a technical problem which needs to be solved at present.
Disclosure of Invention
The application aims to solve the problems, and provides invisible intelligent anti-counterfeiting electrochemical aluminum, a preparation method and application thereof.
The first object of the application is to provide a preparation method of invisible intelligent anti-counterfeiting electrochemical aluminum, which utilizes specific steps to form the invisible intelligent anti-counterfeiting electrochemical aluminum, so that the anti-counterfeiting electrochemical aluminum has explicit digital information and invisible special hidden codes, and further the anti-counterfeiting effect of the anti-counterfeiting electrochemical aluminum is ensured.
In order to achieve the first object of the present application, the technical scheme of the present application is as follows:
the preparation method of the invisible intelligent anti-counterfeiting electrochemical aluminum is characterized by comprising the following steps of:
s1, selecting a PET film with the thickness of 10-30 mu m, and obtaining a basic film layer by using corona treatment to obtain a value of at least 38 dynes;
s2, sequentially coating release coating and holographic information coating on the PET by using a roll-to-roll coater on the base film layer, and drying to form a release layer and a holographic information layer;
s3, embossing and gravure printing protective ink on the PET film coated with the release layer and the holographic information layer by using a die pressing-gravure printing machine, and converting the planar holographic information layer into the PET film with the die pressing laser holographic information layer by using a nickel plate for the die pressing plate;
s4, vacuum plating a metal layer on the laser holographic information layer of the PET film by using a vacuum aluminizer to form an aluminized layer;
s5, washing an aluminum layer which is not covered with the gravure protective ink area on the PET film by using an aluminum washing machine to form a hollowed-out aluminum plating layer;
s6, printing an image-text information layer on the PET film hollowed-out aluminized layer by using a traditional printer or a digital printer;
s7, coating a hot melt adhesive coating containing a characteristic spectrum absorber on the graphic information layer of the PET film by using a coating machine to form a hot melt adhesive layer with characteristic spectrum absorption;
s8, cutting to form the invisible intelligent anti-counterfeiting electrochemical aluminum.
Further, in step S2, the dry coating amount of the release layer is 0.8-1.0g/m 2 The net roller is a 200 mesh anilox roller, and the drying temperature is 80-120-170-170-130 ℃.
Further, in step S2, the holographic information coating is an acrylate coating, and the dry coating amount is 1.2-1.4g/m 2 The drying temperature is 80-100-130-160-160-100 ℃ and the coating speed is 80m/min.
Further, in step S3, the molding temperature is 150-190 ℃, and the vehicle speed is 30-50m/min.
Further, in step S4, the aluminized layer has a thickness of 300-500 angstroms.
Further, in step S7, the characteristic spectrum absorber is a derivative containing double-layered phthalocyanine.
Further, the characteristic spectrum absorber adopts double-layer copper phthalocyanine with benzo crown ether double substituent, the addition amount is 3-10%, and the dry coating amount of the hot melt adhesive is 1.4-1.6g/m 2 The drying temperature is 80-100-130-140-140-100 ℃ and the coating speed is 80m/min.
Further, the hot stamping temperature of the hidden intelligent anti-counterfeiting electrochemical aluminum on the package is 100-250 ℃.
The second purpose of the application is to provide the invisible intelligent anti-counterfeiting electrochemical aluminum, and the visible digital information and the invisible specific hidden code are arranged on the electrochemical aluminum, so that the authenticity of the anti-counterfeiting code can be determined only through the combined action of scanning and inquiring authenticity through intelligent products such as mobile phones and the like and determining authenticity through a special intelligent identifier.
In order to achieve the second object of the present application, the technical scheme of the present application is as follows:
the invisible intelligent anti-counterfeiting electrochemical aluminum comprises a data information layer, wherein the data information layer is divided into a digital area, a hidden code pattern area and a verification code area, the digital area is printed with two-dimensional codes and bar code digital information, the hidden code pattern area is printed with hidden code encryption patterns, the verification code area is printed with verification codes, the verification codes comprise customer product information or prompts for anti-counterfeiting information, the digital information, the hidden code encryption patterns and the verification codes are related to each other, aluminum plating layers are arranged on two sides of the data information layer, a holographic laser layer is arranged at the upper ends of the data information layer and the aluminum plating layers, a release layer is arranged at the upper end of the holographic laser layer, a base film layer is arranged at the upper end of the release layer, and a back glue layer is arranged at the lower end of the data information layer.
The third object of the application is to provide an application method of the invisible intelligent anti-counterfeiting electrochemical aluminum, wherein the invisible intelligent anti-counterfeiting electrochemical aluminum is printed on a package, so that the package has an anti-counterfeiting effect, and further the product has the anti-counterfeiting effect.
In order to achieve the third object of the present application, the technical scheme of the present application is as follows:
application method of the invisible intelligent anti-counterfeiting electrochemical aluminum, the invisible intelligent anti-counterfeiting electrochemical aluminum is hot stamped on a package, and the hot stamping temperature is 100-250 ℃.
Compared with the prior art, the application has the beneficial effects that:
1. the invisible intelligent anti-counterfeiting electrochemical aluminum can be subjected to hot stamping on packages such as paperboard, metal, plastic and the like, the hot stamping patterns are clear, friction resistance is realized, the invisible intelligent anti-counterfeiting electrochemical aluminum has dominant digital information and invisible hidden codes, and the authenticity of the anti-counterfeiting code can be determined only through the combined action of scanning and inquiring authenticity through intelligent products such as mobile phones and the like and determining authenticity through a special intelligent identifier by arranging the dominant digital information and the invisible specific hidden codes on the electrochemical aluminum.
2. After the hidden intelligent anti-counterfeiting electrochemical aluminum hot stamping, the mobile phone is used for scanning the printed two-dimensional code information, the identification speed is high, the characteristic spectrum absorber does not influence the scanning identification of the two-dimensional code information, the handheld intelligent signal identifier is not influenced by a gold stamping substrate, only the characteristic spectrum absorber is responded, and no response is generated to other infrared absorption materials, so that no error response is generated.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application.
Fig. 1 is a schematic view of the internal structure of the present application.
In the figure:
1.2 parts of a base film layer, 2 parts of a release layer, 3 parts of a holographic laser layer, 4 parts of an aluminized layer, 5 parts of a data information layer, 6 parts of a back adhesive layer.
The specific embodiment is as follows:
the application will be further described with reference to the drawings and examples.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments in accordance with the present disclosure. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, are merely relational terms determined for convenience in describing structural relationships of the various components or elements of the present disclosure, and do not denote any one of the components or elements of the present disclosure, and are not to be construed as limiting the present disclosure.
Example 1
The embodiment is a recessive intelligent anti-counterfeiting electrochemical aluminum, the back adhesive layer 6 is taken as a bottom, the back adhesive layer 6 is a dried polyurethane coating, so that hidden code anti-counterfeiting information electrochemical aluminum can be posted on a product, more particularly, a core layer of the embodiment is a data information layer 5, aluminum plating layers 4 are arranged on two sides of the data information layer 5, the data information layer 5 and the upper end of the aluminum plating layer 4 are holographic laser layers 3, the upper end of the holographic laser layers 3 is a release layer 2, the upper end of the release layer 2 is a base film layer 1, the lower end of the data information layer 5 is a back adhesive layer 6, in the embodiment, the base film layer 1 is a polyester film, the thickness of the base film layer 1 is 10-30um, for example, the thickness of the base film layer 1 is 16um, the PET film reaches over 38 dyne values after corona treatment to obtain the base film layer 1, the release layer 2 is an organic silicon resin, the holographic laser layer 3 is thermoplastic acrylic ester paint, a hollow area is arranged in the middle of the aluminized layer 4, the data information layer 5 is positioned in the hollow area of the aluminized layer 4, metal aluminum is evaporated under vacuum condition and aluminum is washed to form the hollow area, the data information layer 5 is divided into a digital area, a hidden code graphic area and a verification code area, the digital area is printed with two-dimensional codes and bar code digital information, the hidden code graphic area is printed with hidden code encryption graphics, the verification code area is printed with verification codes, the verification codes comprise customer product information or prompts for anti-counterfeiting information, the digital information, the hidden code encryption graphics and the verification codes are related, the data information layer 5 is printed by a variable data printer, and the variable data printer comprises a Hewlett-packard digital printer and a square code spraying printer.
As an application method of the invisible intelligent anti-counterfeiting electrochemical aluminum, the embodiment adopts the invisible intelligent anti-counterfeiting electrochemical aluminum, and the invisible intelligent anti-counterfeiting electrochemical aluminum is hot stamped on a package, wherein the hot stamping temperature is 100-250 ℃.
Example 2
Aiming at the hidden intelligent anti-counterfeiting electrochemical aluminum, the embodiment discloses a preparation method of the hidden intelligent anti-counterfeiting electrochemical aluminum, which comprises the following steps:
s1, selecting a PET film with the thickness of 10-30 mu m, and obtaining a value of at least 38 dynes after corona treatment to obtain a base film layer 1;
s2, sequentially coating release coating and holographic information coating on the PET on the base film layer 1 by using a roll-to-roll coater, and drying to form a release layer 2 and a holographic information layer;
s3, embossing and gravure printing protective ink on the PET film coated with the release layer 2 and the holographic information layer by using a die pressing-gravure printing machine, wherein the die pressing plate uses a nickel plate to convert the planar holographic information layer into the PET film with the die pressing laser holographic information layer, and the laser holographic information layer is also the holographic laser layer 3;
s4, vacuum plating a metal layer on the laser holographic information layer of the PET film by using a vacuum aluminizer to form an aluminized layer 4;
s5, washing an aluminum layer which is not covered with the gravure protective ink area on the PET film by using an aluminum washing machine to form a hollowed-out aluminum plating layer 4;
s6, printing an image-text information layer on the PET film hollowed-out aluminized layer 4 by using a traditional printer or a digital printer;
s7, coating a hot melt adhesive coating containing a characteristic spectrum absorber on the graphic information layer of the PET film by using a coating machine to form a hot melt adhesive layer with characteristic spectrum absorption;
s8, slitting to form invisible intelligent anti-counterfeiting electrochemical.
In the step S2, the dry coating amount of the release layer is 0.8-1.0g/m 2 The net roller is 200 mesh net roller, and the drying temperature is 80-120-170-170-130 ℃, and is the drying temperature of the drying tunnelThe temperature in the drying tunnel is in a step arrangement, namely, the drying temperature of the drying tunnel is changed to 80-120-170-170-130 ℃ from the head end to the tail end of the drying tunnel due to the long drying tunnel.
In the step S2, the holographic information coating is an acrylate coating, and the dry coating amount is 1.2-1.4g/m 2 The drying temperature is 80-100-130-160-160-100 ℃ and the coating speed is 80m/min, and the drying temperature is the temperature of the drying tunnel, and the temperature in the drying tunnel is arranged in a step mode, namely, the drying temperature of the drying tunnel is changed to 80-100-130-160-160-100 ℃ from the head end to the tail end of the drying tunnel due to the fact that the drying tunnel is long.
In the step S3, the molding temperature is 150-190 ℃ and the vehicle speed is 30-50m/min.
In step S4, the thickness of the aluminized layer is 300-500 angstroms.
In step S7, the characteristic spectrum absorber is a derivative containing double-layered phthalocyanine, and the characteristic has weak absorption in the visible light region and strong absorption in the near infrared wavelength region. The phthalocyanine is a macrocyclic structure with 18 pi electron conjugation, and the benzene ring around the phthalocyanine ring can be substituted by different substituents, or the conjugated substitution can be carried out to lead the spectrum absorption region of the phthalocyanine to be red-shifted. After the phthalocyanine is formed into a double-layer metal derivative, the phthalocyanine has strong absorption in a near infrared wavelength region, and particularly for the phthalocyanine derivative with specific substituent groups, the near infrared absorption characteristic peak is clear. For the hidden intelligent anti-counterfeiting electrochemical aluminum of a specific company, different phthalocyanine derivatives can be used for preparation, and different characteristic signal identifiers are correspondingly used for obtaining unique characteristic effects. The physical and chemical properties of the double-layer metal derivative of phthalocyanine are stable, and the double-layer metal derivative of phthalocyanine is an ideal infrared absorption dye. The phthalocyanine generated by crown ether substituent groups with different carbon atoms has strong absorption in a near infrared region, the crown ether substituted phthalocyanine derivative is added into hot melt adhesive coating and coated on the electrochemical aluminum to obtain the recessive intelligent anti-counterfeiting electrochemical aluminum, the substituent groups contained on the monomers of the double-layer phthalocyanine comprise benzo crown ether, benzene and nitrobenzene, axial coordination can be formed on the phthalocyanine, the ligands comprise imidazole ligands, sulfide ligands and fullerene modified ligands, and the benzo crown ether comprises benzo 15 crown 15 and benzo 18 crown 6.
The characteristic spectrum absorber is made of a material withThe addition amount of the double-layer copper phthalocyanine with the benzo crown ether double substituent is 3-10%, for example, the addition amount can be 5%, and the dry coating amount of the hot melt adhesive is 1.4-1.6g/m 2 The drying temperature is 80-100-130-140-140-100 ℃, the coating speed is 80m/min, and the characteristic spectrum absorber is preferably modified by graphene.
In step 1, a PET film with a thickness of 20 μm and a width of 1500mm is selected, a 40 dyne value is obtained after corona treatment, a PET base film is obtained, and in step 8, a recessive intelligent anti-counterfeiting electrochemical aluminum with a width of 45mm is obtained through slitting.
In addition, the characteristic spectrum absorber adopts double-substituent double-layer copper phthalocyanine with nitrophenyl, and the addition amount is 7 percent, so as to obtain the recessive intelligent anti-counterfeiting electrochemical aluminum meeting the requirements.
The comparison embodiment group can be also arranged, the comparison embodiment is basically prepared according to the steps S1-S7 of the embodiment 2, the difference is that the characteristic spectrum absorber is obtained by adopting infrared absorption ink purchased in the market and adding according to the use requirement, the red comparison group electrochemical aluminum is obtained, when the temperature is 120 ℃ and the pressure is 0.2MPa, the electrochemical aluminum material prepared by the comparison embodiment and the embodiment is thermoprinted on a card paper, the thermoprinting time is 0.7S, the thermoprinted pattern is complete and cut neatly, the two-dimensional code after the thermoprinting is scanned and is jumped to a corresponding verification interface, the response is quick, a dealer uses a special hidden handheld terminal intelligent identifier to scan the identification area, the identifier identifies and sends out a corresponding genuine signal prompt, the comparison group electrochemical aluminum obtained by the comparison embodiment is thermoprinted by using the special hidden handheld terminal intelligent identifier to scan the identification area after thermoprinting, and the identifier identifies and sends out a corresponding suspected genuine signal prompt.
The hot stamping temperature of the hidden intelligent anti-counterfeiting electrochemical aluminum on the package is 100-250 ℃.
The hidden hand-held terminal intelligent anti-fake method is to thermoprint electric aluminum onto a product, irradiate an identification area with characteristic spectrum absorber on the product with infrared light with the wavelength of 750-1500 nm, detect the characteristic spectrum absorber with an intelligent spectrum detector with a filter, and output a specific acousto-optic electric signal for anti-fake prompt when a specific signal of the characteristic spectrum absorber is detected.
The explicit informationized intelligent anti-counterfeiting method of the mobile intelligent terminal comprises the following steps: and carrying out image acquisition identification or optical signal identification on the digital information area by using the mobile intelligent terminal, and outputting corresponding acousto-optic signals after carrying out transcoding identification on the digital information or the spectrum information.
The characteristic spectrum absorber is used for hidden intelligent anti-counterfeiting of a handheld terminal, and the handheld terminal refers to a handheld intelligent characteristic signal identifier.
The above is only a preferred embodiment of the present application, and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
While the foregoing description of the embodiments of the present application has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the application, but rather, it is intended to cover all modifications or variations within the scope of the application as defined by the claims of the present application.
Claims (9)
1. The invisible intelligent anti-counterfeiting electrochemical aluminum is characterized by comprising a data information layer (5), wherein the data information layer (5) is divided into a digital area, a hidden code graph area and a verification code area, the digital area is printed with two-dimensional codes and bar code digital information, the hidden code graph area is printed with a hidden code encryption graph, the verification code area is printed with a verification code, the verification code comprises customer product information or prompts for anti-counterfeiting information, and the digital information, the hidden code encryption graph and the verification code are mutually related;
the two sides of the data information layer (5) are provided with aluminum plating layers (4), the upper ends of the data information layer (5) and the aluminum plating layers (4) are provided with holographic laser layers (3), the upper ends of the holographic laser layers (3) are provided with release layers (2), the upper ends of the release layers (2) are provided with base film layers (1), and the lower ends of the data information layer (5) are provided with back adhesive layers (6);
the preparation method of the invisible intelligent anti-counterfeiting electrochemical aluminum comprises the following steps of:
s1, selecting a PET film with the thickness of 10-30 mu m, and obtaining a basic film layer (1) by using corona treatment to obtain a value of at least 38 dynes;
s2, sequentially coating release coating and holographic information coating on the PET on the base film layer (1) by using a roll-to-roll coater, and drying to form a release layer (2) and a holographic information layer;
s3, embossing and gravure printing protective ink on the PET film coated with the release layer (2) and the holographic information layer by using a die pressing-gravure printing machine, and converting the planar holographic information layer into the PET film with the die pressing laser holographic information layer by using a nickel plate for the die pressing plate;
s4, vacuum plating a metal layer on the laser holographic information layer of the PET film by using a vacuum aluminizer to form an aluminized layer (4);
s5, washing an aluminum layer which is not covered with the gravure protective ink area on the PET film by using an aluminum washing machine to form a hollowed-out aluminum plating layer (4);
s6, printing an image-text information layer on the PET film hollowed-out aluminized layer (4) by using a traditional printer or a digital printer;
s7, coating a hot melt adhesive coating containing a characteristic spectrum absorber on the graphic information layer of the PET film by using a coating machine to form a hot melt adhesive layer with characteristic spectrum absorption;
s8, cutting to form the invisible intelligent anti-counterfeiting electrochemical aluminum.
2. The invisible intelligent anti-counterfeiting electrochemical aluminum according to claim 1, wherein in the step S2, the dry coating amount of the release layer (2) is 0.8-1.0g/m2, a 200 mesh anilox roller is used as a mesh roller, and the drying temperature from the head end to the tail end in a drying tunnel is changed to be: 80-120-170-170-130 ℃.
3. The invisible intelligent anti-counterfeiting electrochemical aluminum according to claim 1, wherein in the step S2, the holographic information coating is an acrylate coating, the dry coating amount is 1.2-1.4g/m 2, and the baking temperature from the head end to the tail end in the baking channel is changed to be: 80-100-130-160-160-100 ℃ and the coating speed is 80m/min.
4. The invisible intelligent anti-counterfeiting electrochemical aluminum according to claim 1, wherein in the step S3, the molding temperature is 150-190 ℃, and the vehicle speed is 30-50m/min.
5. The invisible intelligent anti-counterfeiting electrochemical aluminum according to claim 1, wherein in the step S4, the thickness of the aluminized layer (4) is 300-500 angstroms.
6. The invisible intelligent anti-counterfeiting electrochemical aluminum according to claim 1, wherein in step S7, the characteristic spectrum absorber is a derivative containing double-layer phthalocyanine.
7. The invisible intelligent anti-counterfeiting electrochemical aluminum according to claim 6, wherein the characteristic spectrum absorber adopts double-layer copper phthalocyanine with benzo crown ether double substituents, the addition amount is 3% -10%, the dry coating amount of the hot melt adhesive is 1.4-1.6g/m < 2 >, the drying temperature is 80-100-130-140-140-100 ℃, and the coating speed is 80m/min.
8. The invisible intelligent anti-counterfeiting electrochemical aluminum according to claim 1, wherein the hot stamping temperature of the invisible intelligent anti-counterfeiting electrochemical aluminum on the package is 100-250 ℃.
9. An application method of the invisible intelligent anti-counterfeiting electrochemical aluminum is characterized in that the invisible intelligent anti-counterfeiting electrochemical aluminum is adopted according to any one of claims 1-8 to be thermoprinted on a package, and the thermoprinting temperature is 100-250 ℃.
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| CN204398557U (en) * | 2014-12-04 | 2015-06-17 | 武汉华工图像技术开发有限公司 | A kind of holographic integrated anti-counterfeit blocking film |
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| CN205810263U (en) * | 2016-07-12 | 2016-12-14 | 厦门智盛包装有限公司 | A kind of antifalsification label |
| CN109979308A (en) * | 2019-04-28 | 2019-07-05 | 山东泰宝防伪技术产品有限公司 | Rariable local holographic false proof safety line and preparation method thereof |
| CN210349032U (en) * | 2019-08-25 | 2020-04-17 | 河南省卫群科技发展有限公司 | Holographic-picture color variable two-dimensional-code anti-counterfeiting bottle cap device identifier |
| CN110728344A (en) * | 2019-09-24 | 2020-01-24 | 山东泰宝防伪技术产品有限公司 | Special anti-counterfeiting code hot stamping foil and preparation method thereof |
| CN211427727U (en) * | 2020-03-25 | 2020-09-04 | 山东泰宝信息科技集团有限公司 | Holographic fragile anti-fake mark |
| CN211455118U (en) * | 2020-03-25 | 2020-09-08 | 山东泰宝信息科技集团有限公司 | Rainbow characteristic identification anti-fake label |
| CN111681531A (en) * | 2020-06-24 | 2020-09-18 | 武汉华工图像技术开发有限公司 | Optically variable anti-counterfeiting two-dimensional code identifier and preparation method thereof |
| CN113160696A (en) * | 2021-03-31 | 2021-07-23 | 山东泰宝信息科技集团有限公司 | Anti-counterfeiting card with uncovering verification information and preparation method thereof |
| CN214336158U (en) * | 2021-03-31 | 2021-10-01 | 山东泰宝信息科技集团有限公司 | Anti-fake card with opened verification information |
| CN113808472A (en) * | 2021-09-14 | 2021-12-17 | 山东泰宝信息科技集团有限公司 | Holographic laser variable verification code anti-counterfeit label and manufacturing method and using method thereof |
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