CN110097817B - Anti-counterfeiting two-dimensional code label and preparation method thereof - Google Patents
Anti-counterfeiting two-dimensional code label and preparation method thereof Download PDFInfo
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- CN110097817B CN110097817B CN201810094024.6A CN201810094024A CN110097817B CN 110097817 B CN110097817 B CN 110097817B CN 201810094024 A CN201810094024 A CN 201810094024A CN 110097817 B CN110097817 B CN 110097817B
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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
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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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- 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
Abstract
The invention relates to an anti-counterfeiting two-dimensional code label and a preparation method thereof, wherein the anti-counterfeiting two-dimensional code label comprises a transparent substrate layer, an image-text layer of a two-dimensional code, an optically variable ink layer and a shielding color layer are sequentially printed on the surface of one side of the transparent substrate layer, a black substrate layer is mounted on the surface of one side, away from the optically variable ink layer, of the shielding color layer, and a matte oil layer is printed on the surface of one side, away from the image-text layer of the two-dimensional code, of the transparent substrate layer. The preparation method of the anti-counterfeiting two-dimensional code label is simple, convenient and fast, the cost is low, the prepared two-dimensional code label has variable colors and variable data, the dependence degree of the two-dimensional code anti-counterfeiting product on software and production equipment is reduced, and the anti-counterfeiting grade of the product is improved.
Description
Technical Field
The invention relates to the technical field of printing, in particular to an anti-counterfeiting two-dimensional code label and a preparation method thereof.
Background
At present, a common invisible two-dimensional code is a two-dimensional code output by using colorless invisible consumables (such as fluorescent ink, fluorescent carbon powder, fluorescent color tape, infrared ink and the like) in a printing or printing mode, but the output two-dimensional code is basically fixed and unchanged, and the time consumption is too long and the cost is too high.
Disclosure of Invention
The invention aims to provide an anti-counterfeiting two-dimensional code label and a preparation method thereof, and solves the problems of single technology, long time consumption and high cost of an invisible two-dimensional code in the prior art.
The technical scheme adopted by the invention for solving the technical problem is as follows: the utility model provides an anti-fake two-dimensional code label, includes transparent substrate layer one side surface of transparent substrate layer is printed in proper order and is equipped with picture and text layer, the light variability printing ink layer and the chromatograph of shielding the chromatograph deviates from a side surface on light variability printing ink layer is mounted and is equipped with black substrate layer transparent substrate layer deviates from a side surface seal on picture and text layer of two-dimensional code is equipped with mute oil reservoir.
In the anti-counterfeiting two-dimensional code label, the dyne value of the transparent substrate layer is more than or equal to 38.
In the anti-counterfeiting two-dimensional code label, the color of the two-dimensional code is yellow, magenta, cyan, black, green or white, and the dot density of the color of the two-dimensional code is 50-100%.
In the anti-counterfeiting two-dimensional code label, the shielding color layer is formed by printing the same color as the color of the two-dimensional code.
In the anti-counterfeiting two-dimensional code label, the thickness of the matte oil layer is 8-15 μm.
The invention also provides a preparation method of the anti-counterfeiting two-dimensional code label, which comprises the following steps:
s1, printing the two-dimensional code on the surface of one side of the transparent base material layer to form an image-text layer of the two-dimensional code;
s2, printing optically variable ink on one side, away from the transparent substrate layer, of the image-text layer of the two-dimensional code to form the optically variable ink layer;
s3, printing shielding colors on one side of the optically variable ink layer, which is far away from the image-text layer of the two-dimensional code, to form the shielding color layer;
s4, printing a matte oil layer on the surface of one side, away from the two-dimensional code, of the transparent base material layer to form the matte oil layer;
and S5, mounting the black substrate layer on the side of the shielding color layer, which is far away from the optically variable ink layer.
In the preparation method of the present invention, step S0 is further included before step S1: the transparent substrate layer was further coated twice, corona once, before printing.
In the preparation method of the invention, in step S2, the mesh number of the screen used for printing the optically variable ink is 250-350 meshes, the scraper used for printing the optically variable ink is a smooth blade with 60-100 degrees, and the speed of printing the optically variable ink is 5-8 m/min; immediately carrying out first UV drying after finishing printing the optically variable ink, and carrying out second UV drying after 5-10 min; the intensity of the UV light of the first UV drying and the intensity of the second UV drying were respectively: 50% UV low light and 100% UV high light; the time for the first UV drying and the second UV drying is respectively 5s-8 s.
In the preparation method of the invention, in step S3, the mesh number of the screen printing plate for printing the shielding color is 300-450 meshes, the scraper for printing the shielding color is a smooth blade with 60-100 degrees, the speed for printing the shielding color is 10-15 m/min, and the number of times for printing the shielding color is two.
In the production method of the present invention, the number of times of printing the matte oil is two in step S4.
The anti-counterfeiting two-dimensional code label and the preparation method thereof have the following beneficial effects: the preparation method of the anti-counterfeiting two-dimensional code label is simple, convenient and fast, the cost is low, the prepared two-dimensional code label has variable colors and variable data, the dependence degree of the two-dimensional code anti-counterfeiting product on software and production equipment is reduced, and the anti-counterfeiting grade of the product is improved.
Drawings
Fig. 1 is a schematic structural diagram of an anti-counterfeiting two-dimensional code label of the invention.
Detailed Description
The anti-counterfeiting two-dimensional code label and the preparation method thereof are further explained with reference to the accompanying drawings and the embodiment:
as shown in fig. 1, the invention relates to an anti-counterfeiting two-dimensional code label, which comprises a transparent substrate layer 1, wherein an image-text layer 2 of a two-dimensional code, an optically variable ink layer 3 and a shielding color layer 4 are sequentially printed on one side surface of the transparent substrate layer 1, a black substrate layer 5 is mounted on one side surface of the shielding color layer 4, which is far away from the optically variable ink layer 3, and a matte oil layer 6 is printed on one side surface of the transparent substrate layer 1, which is far away from the image-text layer 2 of the two-dimensional code.
The transparent substrate layer 1 can be formed by transparent substrates made of PMMA, PC and the like, and the dyne value of the transparent substrate is more than or equal to 38. The color of the two-dimensional code can be yellow, magenta, cyan, black, green or white, and the dot density of the color of the two-dimensional code is 50-100%. The two-dimensional code is digitally printed, and the used ink is digital electronic ink.
The shielding color layer 4 is formed by printing the same color as that of the two-dimensional code. That is, the yellow two-dimensional code corresponds to a yellow mask color, the magenta two-dimensional code corresponds to a magenta mask color, the cyan two-dimensional code corresponds to a cyan mask color, the black two-dimensional code corresponds to a black mask color, the green two-dimensional code corresponds to a green mask color, and the white two-dimensional code corresponds to a white mask color. And the ink adopted by the shielding color layer 4 is the same as or similar to the ink of the two-dimensional code in performance.
The thickness of the dummy oil layer 6 is 8-15 μm. The matte oil layer 6 has a certain frosting effect, so that the surface has a certain haze, and the hiding effect of the two-dimensional code is improved.
Wherein the optically variable ink layer 3, the shielding color layer 4 and the dummy oil layer 6 are formed by full-page printing. The optically variable ink layer 3 is formed by printing transparent optically variable ink, wherein the optically variable ink is ink in the prior art, and detailed description is omitted here.
The black substrate layer 5 may be a black substrate material, such as black PET, black PC, black PI, etc.; the black substrate layer 5 may be a transparent material printed with high shading black, but the unprinted side must be pasted on the shading color, so as to avoid the problem that the shading color and the two-dimensional code cannot form contrast to show the two-dimensional code due to direct contact of the ink and the ink. Because black absorbs light with partial wavelength in ultraviolet light, the optically variable ink presents another color, and the two-dimensional code is convenient to read.
The invention also relates to a preparation method of the anti-counterfeiting two-dimensional code label, which comprises the following steps:
s0, coating the transparent substrate layer 1 twice and carrying out corona once;
s1, forming an image-text layer 2 of the two-dimensional code on the surface of one side of the transparent substrate layer 1 by digitally printing the two-dimensional code;
s2, printing optically variable ink on one side of the image-text layer 2 of the two-dimensional code, which is far away from the transparent substrate layer 1, in a full-page manner by using a net rolling machine to form an optically variable ink layer 3; the mesh number of a screen printing plate used for printing the optically variable ink is 250-350 meshes, a scraper used for printing the optically variable ink is a smooth cutter with the angle of 60-100 degrees, and the speed of printing the optically variable ink is 5-8 m/min;
immediately carrying out first UV drying after finishing printing the optically variable ink, and carrying out second UV drying after 5-10 min; the intensity of the UV light of the first UV drying and the intensity of the second UV drying were respectively: 50% of UV weak light and 100% of UV strong light, namely, two UV lamps are configured for the first UV drying and the second UV drying for drying, one UV lamp is provided with 50% of UV weak light, and the other UV lamp is provided with 100% of UV strong light; the time of the first UV drying and the second UV drying is respectively 5s-8 s;
s3, printing shielding color on the side, deviating from the image-text layer 2 of the two-dimensional code, of the optically variable ink layer 3 in a full-page manner by using a net rolling machine to form a shielding color layer 4; the mesh number of the screen printing plate for printing the shielding color is 300-450 meshes, preferably 350-400 meshes; the scraper used for printing the shielding color is a smooth cutter with the angle of 60-100 degrees, the speed of printing the shielding color is 10-15 m/min, and the number of times of printing the shielding color is two;
s4, printing a matte oil on the surface of one side, away from the image-text layer 2 of the two-dimensional code, of the transparent substrate layer 1 in a full-page manner by using a net rolling machine to form a matte oil layer 6; the number of times of printing the matte oil is two; the matte oil has a certain frosting effect, so that the surface has a certain haze, and the hiding effect of the two-dimensional code is improved;
s5, mounting a black substrate layer 5 on the side of the shielding color layer 4 away from the optically variable ink layer 3.
The invisible two-dimensional code with variable colors and variable data is prepared by utilizing digital and silk-screen printing technologies and adopting a process matching and color superposition principle. When the two-dimensional code is observed under visible light, the two-dimensional code is almost invisible, the two-dimensional code is observed under an ultraviolet light source, the two-dimensional code is displayed due to the fact that the shielding color and the color of the two-dimensional code change to generate color difference, the hiding effect of the two-dimensional code is achieved, the anti-counterfeiting performance of the two-dimensional code is improved, the authenticity of a product can be verified by scanning the two-dimensional code with a mobile phone under the ultraviolet light source, and the anti-counterfeiting grade is improved.
The process is simple and convenient, and the variable-color variable-data invisible two-dimensional code can be prepared by printing the variable two-dimensional code through a digital printer and screen-printing optically variable ink, black and matte oil. When the two-dimensional code is observed under visible light, the two-dimensional code is well hidden and invisible to naked eyes, and under the irradiation of an ultraviolet light source, the two-dimensional code is displayed and can be rapidly scanned and read through scanning equipment; the authenticity of the product can be verified by using the two-dimension code of the mobile phone, the method is convenient and quick, and the anti-counterfeiting grade is improved. On the basis of two-dimension code invisibility, the two-dimension code data are variable, dependence degree of two-dimension code anti-counterfeiting products on software and production equipment is reduced, and anti-counterfeiting grade of the products is improved.
The anti-counterfeiting two-dimensional code label can be applied to the production of variable data anti-counterfeiting labels such as wine, food, health products, skin care products and the like.
Example 1:
before printing, the transparent substrate layer 1 is further coated twice and corona once, and the dyne value of the transparent substrate layer 1 is more than or equal to 38. And a yellow two-dimensional code is printed on one side surface of the transparent substrate layer 1 through data to form an image-text layer 2, and the density of yellow dots is 70%. Printing optically variable ink on one side of the image-text layer 2, which is far away from the transparent substrate layer 1, in a full-page manner by using a screen rolling machine to form an optically variable ink layer 3, wherein the mesh number of a screen printing plate used for printing the optically variable ink is 250 meshes, a scraper used for printing the optically variable ink is a smooth cutter with 60 degrees, and the speed of printing the optically variable ink is 5 m/min; immediately carrying out first UV drying after finishing printing the optically variable ink, and carrying out second UV drying after 5 min; the intensity of the UV light of the first UV drying and the intensity of the second UV drying were respectively: 50% UV low light and 100% UV high light; the time for the first UV drying and the second UV drying is 5s respectively. And printing yellow shielding color twice on the side of the optically variable ink layer 3, which is far away from the image-text layer 2 of the two-dimensional code, in a full-page manner by using a screen rolling machine to form a shielding color layer 4, wherein the mesh number of a screen printing plate for printing the shielding color is 300 meshes, a scraper for printing the shielding color is a smooth blade with the angle of 60 degrees, and the speed for printing the shielding color is 10 m/min. And printing the matte oil twice on the surface of one side of the transparent substrate layer 1, which is far away from the image-text layer 2 of the two-dimensional code, in a full-page manner by using a net rolling machine to form a matte oil layer 6 with the thickness of 8 mu m. A black substrate layer 5 is mounted on the side of the shielding color layer 4 facing away from the optically variable ink layer 3, and the black substrate layer 5 is formed by black PET. The prepared anti-counterfeiting two-dimensional code label has variable colors and variable data and excellent anti-counterfeiting effect.
Example 2:
before printing, the transparent substrate layer 1 is further coated twice and corona once, and the dyne value of the transparent substrate layer 1 is more than or equal to 38. A magenta two-dimensional code is printed on one side surface of the transparent substrate layer 1 through data to form an image-text layer 2, and the density of magenta dots is 50%. Printing optically variable ink on one side of the image-text layer 2, which is far away from the transparent substrate layer 1, in a full-page manner by using a screen rolling machine to form an optically variable ink layer 3, wherein the mesh number of a screen printing plate used for printing the optically variable ink is 350 meshes, a scraper used for printing the optically variable ink is a smooth cutter with the angle of 100 degrees, and the speed of printing the optically variable ink is 8 m/min; immediately carrying out first UV drying after finishing printing the optically variable ink, and carrying out second UV drying after 10 min; the intensity of the UV light of the first UV drying and the intensity of the second UV drying were respectively: 50% UV low light and 100% UV high light; the time for the first UV drying and the second UV drying is respectively 8 s. And printing a magenta shielding color twice on the side of the optically variable ink layer 3, which is far away from the image-text layer 2 of the two-dimensional code, in a full-page manner by using a screen winding machine to form a shielding color layer 4, wherein the screen mesh number for printing the shielding color is 450 meshes, a scraper for printing the shielding color is a 100-degree smooth cutter, and the speed for printing the shielding color is 15 m/min. And printing the matte oil twice on the surface of one side of the transparent substrate layer 1, which is far away from the image-text layer 2 of the two-dimensional code, in a full-page manner by using a net rolling machine to form a matte oil layer 6 with the thickness of 15 mu m. And a black substrate layer 5 is pasted on one side of the shielding color layer 4, which is far away from the optically variable ink layer 3, and the black substrate layer 5 is formed by printing high shielding black on the transparent PC. The prepared anti-counterfeiting two-dimensional code label has variable colors and variable data and excellent anti-counterfeiting effect.
Example 3:
before printing, the transparent substrate layer 1 is further coated twice and corona once, and the dyne value of the transparent substrate layer 1 is more than or equal to 38. A white two-dimensional code is printed on one side surface of the transparent substrate layer 1 through data to form an image-text layer 2, and the density of white dots is 50%. Printing optically variable ink on one side of the image-text layer 2, which is far away from the transparent substrate layer 1, in a full-page manner by using a screen rolling machine to form an optically variable ink layer 3, wherein the mesh number of a screen printing plate used for printing the optically variable ink is 300 meshes, a scraper used for printing the optically variable ink is a smooth cutter with the angle of 80 degrees, and the speed of printing the optically variable ink is 6 m/min; immediately carrying out first UV drying after finishing printing the optically variable ink, and carrying out second UV drying after 8 min; the intensity of the UV light of the first UV drying and the intensity of the second UV drying were respectively: 50% UV low light and 100% UV high light; the time for the first UV drying and the second UV drying was 7 s. And printing a magenta shielding color twice on the side of the optically variable ink layer 3, which is far away from the image-text layer 2 of the two-dimensional code, in a full-page manner by using a screen winding machine to form a shielding color layer 4, wherein the mesh number of a screen printing plate for printing the shielding color is 380 meshes, a scraper for printing the shielding color is a smooth cutter with the angle of 80 degrees, and the speed for printing the shielding color is 12 m/min. And printing the matte oil twice on the surface of one side of the transparent substrate layer 1, which is far away from the image-text layer 2 of the two-dimensional code, in a full-page manner by using a net rolling machine to form a matte oil layer 6 with the thickness of 12 mu m. And a black substrate layer 5 is pasted on one side of the shielding color layer 4, which is far away from the optically variable ink layer 3, and the black substrate layer 5 is formed by black PI. The prepared anti-counterfeiting two-dimensional code label has variable colors and variable data and excellent anti-counterfeiting effect.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (9)
1. An anti-counterfeiting two-dimensional code label is characterized by comprising a transparent substrate layer, wherein an image-text layer, an optically variable ink layer and a shielding color layer of a two-dimensional code are sequentially printed on the surface of one side of the transparent substrate layer, a black substrate layer is mounted on the surface of one side, away from the optically variable ink layer, of the shielding color layer, and a matte oil layer is printed on the surface of one side, away from the image-text layer of the two-dimensional code, of the transparent substrate layer; the optically variable ink layer is formed by printing transparent optically variable ink, the shielding color layer is formed by printing colors which are the same as the colors of the two-dimensional codes, and the optically variable ink absorbs light with partial wavelength in ultraviolet light to enable the optically variable ink to present another color, so that the two-dimensional codes are read.
2. The anti-counterfeiting two-dimensional code label according to claim 1, wherein the dyne value of the transparent substrate layer is not less than 38.
3. The anti-counterfeiting two-dimensional code label according to claim 1, wherein the color of the two-dimensional code is yellow, magenta, cyan, black, green or white, and the dot density of the color of the two-dimensional code is 50-100%.
4. The anti-counterfeiting two-dimensional code label according to claim 1, wherein the thickness of the dummy oil layer is 8-15 μm.
5. The preparation method of the anti-counterfeiting two-dimensional code label according to any one of claims 1 to 4, which is characterized by comprising the following steps:
s1, printing the two-dimensional code on the surface of one side of the transparent base material layer to form an image-text layer of the two-dimensional code;
s2, printing optically variable ink on one side, away from the transparent substrate layer, of the image-text layer of the two-dimensional code to form the optically variable ink layer;
s3, printing shielding colors on one side of the optically variable ink layer, which is far away from the image-text layer of the two-dimensional code, to form the shielding color layer;
s4, printing a matte oil layer on the surface of one side, away from the two-dimensional code, of the transparent base material layer to form the matte oil layer;
and S5, mounting the black substrate layer on the side of the shielding color layer, which is far away from the optically variable ink layer.
6. The method of claim 5, further comprising, before the step S1, a step S0: the transparent substrate layer was coated twice, corona once, before printing.
7. The method of claim 5, wherein in step S2, the mesh number of the screen printing plate for printing the optically variable ink is 250-350 mesh, the doctor blade for printing the optically variable ink is a smooth blade of 60-100 °, and the speed of printing the optically variable ink is 5-8 m/min;
immediately carrying out first UV drying after finishing printing the optically variable ink, and carrying out second UV drying after 5-10 min; the intensity of the UV light of the first UV drying and the intensity of the second UV drying were respectively: 50% UV low light and 100% UV high light; the time for the first UV drying and the second UV drying is respectively 5s-8 s.
8. The method of claim 5, wherein in step S3, the screen mesh number of the screen printing the mask color is 300-450 meshes, the doctor blade for printing the mask color is 60-100 ° of a smooth blade, the speed of printing the mask color is 10-15 m/min, and the number of times of printing the mask color is two.
9. The production method according to claim 5, wherein in step S4, the number of times the matte oil is printed is two.
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| JP3536413B2 (en) * | 1995-03-31 | 2004-06-07 | 凸版印刷株式会社 | Invisible information recording sticker |
| CN2611985Y (en) * | 2003-04-21 | 2004-04-14 | 邓直兵 | Anti-fraud label |
| JP5380007B2 (en) * | 2008-06-16 | 2014-01-08 | 富士フイルム株式会社 | Anti-counterfeit media |
| CN201562399U (en) * | 2009-10-30 | 2010-08-25 | 东莞市易创实业有限公司 | Wear resistant battery tag |
| CN103386829B (en) * | 2012-05-09 | 2018-01-12 | 天津阿波罗电子有限公司 | A kind of endowed method that anti-counterfeiting codes are carried out using laser |
| CN202939904U (en) * | 2012-11-13 | 2013-05-15 | 索尼电子(无锡)有限公司 | Nameplate label of battery machine |
| CN103522596A (en) * | 2013-10-18 | 2014-01-22 | 珠海市魅族科技有限公司 | Packaging paper, preparation method of packaging paper and product label |
| CN105835553A (en) * | 2016-05-27 | 2016-08-10 | 深圳九星印刷包装集团有限公司 | Manufacturing method for invisible anti-counterfeiting mark |
| CN205984129U (en) * | 2016-08-30 | 2017-02-22 | 无锡新光印防伪技术有限公司 | False proof mark with variable stealthy information two -dimensional code |
| CN206697135U (en) * | 2017-02-09 | 2017-12-01 | 广东美纳防伪科技有限公司 | A kind of containment vessel with anti-counterfeiting mark |
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