CN214476004U - Multiple antifalsification label of green - Google Patents
Multiple antifalsification label of green Download PDFInfo
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- CN214476004U CN214476004U CN202120558773.7U CN202120558773U CN214476004U CN 214476004 U CN214476004 U CN 214476004U CN 202120558773 U CN202120558773 U CN 202120558773U CN 214476004 U CN214476004 U CN 214476004U
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Abstract
The utility model provides a multiple antifalsification label of green relates to anti-fake technical field. The multiple anti-counterfeiting label consists of a micro-lens array layer, a transparent substrate layer and a micro-image-text array layer which are sequentially laminated, and has a three-dimensional anti-counterfeiting function based on a Moire amplification effect and a fluorescent anti-counterfeiting function under ultraviolet lamp irradiation on one hand, so that the anti-counterfeiting level of a commodity is greatly improved; on the other hand, each layer of the prepared multiple anti-counterfeiting label is green, low-carbon and environment-friendly, and accords with the development trend of the packaging and printing industry and the green development concept in the world.
Description
Technical Field
The utility model belongs to the technical field of anti-fake technique and specifically relates to indicate a multiple antifalsification label of green.
Background
In recent years, with the continuous development of market economy, the phenomena of counterfeiting and fake are frequent, so that the continuous development of anti-counterfeiting technology is promoted. At present, common anti-counterfeiting technologies comprise an anti-counterfeiting paper technology, an anti-counterfeiting ink technology, an anti-counterfeiting printing technology and an information anti-counterfeiting technology, and various anti-counterfeiting technologies have advantages and disadvantages.
In addition, the traditional petroleum-based plastics are difficult to degrade and recycle after being discarded, and generate a large amount of toxic gas after being burnt, thereby seriously damaging the ecological environment. With the popularization of environmental protection idea and policy worldwide, various countries are greatly promoting the work of replacing petroleum-based plastics with biomass plastics.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: a green and environment-friendly multiple anti-counterfeiting label with three-dimensional anti-counterfeiting and fluorescent anti-counterfeiting functions is designed.
In order to solve the technical problem, the utility model discloses a technical scheme be:
the green environment-friendly multiple anti-counterfeit label consists of a micro-lens array layer, a transparent substrate layer and a micro-image-text array layer which are sequentially stacked.
Further, the transparent substrate layer is nano cellulose paper with the surface roughness mean square deviation smaller than 0.3 mu m and the average light transmittance of a visible light waveband larger than or equal to 90%.
Furthermore, the micro graphic and text array layer is a micro graphic and text array formed by printing fluorescent ink.
Further, the micro-lens array layer is a micro-lens array formed by UV photoresist imprinting.
Furthermore, the period of the micro graphic text array layer is t1The microlens array layer is formed by a microlens array layer with a period of t2The included angle between the micro image-text array and the micro lens array is alpha, and the relationship between the period T of the presented Moire magnification pattern and the micro image-text array and the micro lens array is as follows:
furthermore, the included angle alpha is 0-180 degrees.
Further, the micro graphic and text array is formed by arranging graphic and text array units in a regular hexagon shape.
Furthermore, the image-text array unit is composed of one or more of characters, numbers and figures.
Further, the microlens array is formed by arranging microlens units in a regular hexagonal shape.
Further, the aperture of the microlens unit is in a regular hexagon shape, a square shape or a circular shape.
The beneficial effects of the utility model reside in that: the prepared multiple anti-counterfeiting label has a three-dimensional anti-counterfeiting function based on a Moire amplification effect and a fluorescent anti-counterfeiting function under the irradiation of an ultraviolet lamp, so that the anti-counterfeiting level of the commodity is greatly improved; on the other hand, each layer of the prepared multiple anti-counterfeiting label is green, low-carbon and environment-friendly, and accords with the development trend of the packaging and printing industry and the green development concept in the world.
Drawings
The following detailed description of the specific structure of the present invention with reference to the accompanying drawings
Fig. 1 is a schematic view of a layered structure of a green environment-friendly multiple anti-counterfeit label of the present invention.
The micro-lens array comprises a micro-lens array layer 1, a transparent substrate layer 2 and a micro-image-text array layer 3.
Detailed Description
Examples
Referring to fig. 1, a green and environment-friendly multiple anti-counterfeit label is formed by sequentially laminating a microlens array layer 1, a transparent substrate layer 2, and a micro image-text array layer 3. The prepared multiple anti-counterfeiting label has a three-dimensional anti-counterfeiting function based on a Moire amplification effect and a fluorescent anti-counterfeiting function under the irradiation of an ultraviolet lamp, so that the anti-counterfeiting level of the commodity is greatly improved; on the other hand, each layer of the prepared multiple anti-counterfeiting label is green, low-carbon and environment-friendly, and accords with the development trend of the packaging and printing industry and the green development concept in the world.
Further, the transparent base material layer 2 is formed of a nanocellulose paper; the surface roughness mean square deviation of the nano cellulose paper is less than 0.3 mu m, and the average light transmittance of a visible light wave band is more than or equal to 90 percent, so that the microlens array layer 1 and the micrograph-text array layer 3 are ensured to have excellent optical performance. The surface roughness of the nano cellulose paper can be tested by adopting a laser confocal microscope at the magnification of 3000X; the light transmittance of the nano-cellulose paper can be observed by adopting an ultraviolet spectrophotometer within the wavelength range of 380-780nm in steps of 1 nm.
Further, the micro image-text array layer 3 is a micro image-text layer formed by printing fluorescent ink, and is an anti-counterfeiting information layer which presents bright green fluorescence under ultraviolet light. The fluorescent ink consists of fluorescent powder, polyamide resin, n-butyl alcohol, isopropanol, methylcyclohexane, a slipping agent and an anti-wear agent, has good stability, universality and gravure printability, is green and environment-friendly, and has high fluorescent intensity.
Further, the microlens array layer 1 is a UV photoresist layer. The UV photoresist consists of an acrylic resin monomer, an acrylic resin oligomer, a photoinitiator, an organic silicon defoamer and an organic silicon leveling agent, and has good resolution, contrast, sensitivity, viscosity, adhesiveness and surface tension.
Furthermore, the period of the micro graphic text array layer is t1The microlens array layer is formed by a microlens array layer with a period of t2The included angle between the micro image-text array and the micro lens array is alpha, and the relationship between the period T of the presented Moire magnification pattern and the micro image-text array and the micro lens array is as follows:
further, the included angle alpha is 0-180 degrees. As the angle a changes, the pattern seen exhibits a different moire magnification effect.
Furthermore, the micro image-text array is formed by arranging image-text array units in a regular hexagon shape, and the image-text array units are formed by one or more of characters, numbers and figures.
Further, the microlens array is formed by arranging microlens units in a regular hexagon shape, and the apertures of the microlens units are in a regular hexagon shape, a square shape or a circular shape. Due to the use of UV photoresist of specific composition, the microlens array prepared has the desired uniformity, geometry, optical properties and abrasion resistance.
The preparation method of the green environment-friendly multiple anti-counterfeit label comprises the following steps:
the method comprises the following steps of (1) adopting green and environment-friendly high-transparency nano cellulose paper as a base material, firstly manufacturing a customized micro lens array on one surface of the nano cellulose paper by a nano imprinting technology to form a micro lens array layer 1, wherein a forming material of the micro lens array is UV photoresist; and manufacturing a customized micro-image-text array on the other surface of the nano cellulose paper by a gravure printing technology to form a micro-image-text array layer 3, wherein the forming material of the micro-image-text array is fluorescent ink capable of emitting bright green light under ultraviolet light.
The nano-imprinting technology comprises the following steps:
A) manufacturing a precise optical mold by a laser engraving method;
B) selecting a nano cellulose paper printing substrate and UV photoresist which meet the performance requirements;
C) and preparing a micro-lens array layer 1 containing a micro-lens array by a micro-structure optical film forming machine by adopting a nano-imprinting technology.
The intaglio printing technology comprises the following steps:
A) manufacturing a printing gravure plate by a laser engraving method;
B) preparing fluorescent ink meeting the performance requirements;
C) printing the micro image-text array by a gravure printing machine by adopting a gravure printing technology to form a micro image-text array layer 3.
The printing intaglio of the printing micro graphic and text array is designed according to the following formula:
where T is the period of the Moire magnification pattern, T1Period of the micro-graphic array, t2And alpha is the included angle between the micro lens array and the micro graphic text array.
In summary, in the multiple anti-counterfeit label of green environmental protection provided by the utility model, because the nano cellulose paper used has good flatness and high light transmittance, the micro lens array layer and the micro image-text array layer respectively manufactured on the two sides of the nano cellulose paper have excellent optical performance, and further have a three-dimensional anti-counterfeit function based on moire amplification effect and a fluorescent anti-counterfeit function under the irradiation of an ultraviolet lamp, thereby greatly improving the anti-counterfeit level of the commodity; in addition, all the used materials of each layer are green, low-carbon and environment-friendly materials, and the method conforms to the development trend of the packaging and printing industry and the green development concept in the world.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the same principle as the present invention.
Claims (10)
1. The green and environment-friendly multiple anti-counterfeiting label is characterized by comprising a micro-lens array layer, a transparent substrate layer and a micro-image-text array layer which are sequentially stacked.
2. The green environment-friendly multiple anti-counterfeit label according to claim 1, wherein the transparent substrate layer is nano cellulose paper having a surface roughness mean square deviation of less than 0.3 μm and an average light transmittance in a visible light band of 90% or more.
3. The green environment-friendly multiple anti-counterfeit label according to claim 2, wherein the micro-image-text array layer is a micro-image-text array formed by printing of fluorescent ink.
4. The green, environmentally friendly multiple security tag of claim 3, wherein the microlens array layer is a microlens array imprinted with UV photoresist.
5. The green environment-friendly multiple anti-counterfeit label according to claim 4, wherein the micro-image-text array layer is formed by a layer with a period t1The microlens array layer is formed by a microlens array layer with a period of t2The included angle between the micro image-text array and the micro lens array is alpha, and the relationship between the period T of the presented Moire magnification pattern and the micro image-text array and the micro lens array is as follows:
6. the green environment-friendly multiple anti-counterfeit label according to claim 5, wherein the included angle α is 0 ° to 180 °.
7. The green environment-friendly multiple anti-counterfeit label according to claim 6, wherein the micro-image-text array is formed by arranging image-text array units in a regular hexagon shape.
8. The green environment-friendly multiple anti-counterfeit label according to claim 7, wherein the image-text array unit is formed by one or more of characters, numbers and figures.
9. The green, environmentally friendly multiple security tag of claim 6, wherein the microlens array is formed by arranging microlens units in a regular hexagonal shape.
10. The green environment-friendly multiple anti-counterfeit label according to claim 9, wherein the aperture of the microlens unit is regular hexagon, square or round.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120558773.7U CN214476004U (en) | 2021-03-18 | 2021-03-18 | Multiple antifalsification label of green |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120558773.7U CN214476004U (en) | 2021-03-18 | 2021-03-18 | Multiple antifalsification label of green |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214476004U true CN214476004U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120558773.7U Active CN214476004U (en) | 2021-03-18 | 2021-03-18 | Multiple antifalsification label of green |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214476004U (en) |
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2021
- 2021-03-18 CN CN202120558773.7U patent/CN214476004U/en active Active
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