CN212365349U - Uncovering damage anti-counterfeit label with laser encryption technology - Google Patents
Uncovering damage anti-counterfeit label with laser encryption technology Download PDFInfo
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- CN212365349U CN212365349U CN202021273719.XU CN202021273719U CN212365349U CN 212365349 U CN212365349 U CN 212365349U CN 202021273719 U CN202021273719 U CN 202021273719U CN 212365349 U CN212365349 U CN 212365349U
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- 238000005516 engineering process Methods 0.000 title claims abstract description 21
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 11
- 239000002086 nanomaterial Substances 0.000 claims description 11
- 239000004593 Epoxy Substances 0.000 description 16
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 15
- 239000010703 silicon Substances 0.000 description 15
- 229910052710 silicon Inorganic materials 0.000 description 15
- 239000011248 coating agent Substances 0.000 description 12
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- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 8
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- 239000003607 modifier Substances 0.000 description 8
- 229920002635 polyurethane Polymers 0.000 description 7
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- 239000004205 dimethyl polysiloxane Substances 0.000 description 5
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 5
- 239000002518 antifoaming agent Substances 0.000 description 4
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- 238000012545 processing Methods 0.000 description 3
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- LRWZZZWJMFNZIK-UHFFFAOYSA-N 2-chloro-3-methyloxirane Chemical compound CC1OC1Cl LRWZZZWJMFNZIK-UHFFFAOYSA-N 0.000 description 1
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Abstract
A uncovering damage anti-counterfeiting label with a laser encryption technology comprises a release layer, a glue layer, a release ink pattern layer, an aluminum layer, a diffraction light variation image information layer and an anti-counterfeiting image layer which are sequentially stacked; the diffraction light variable image information layer comprises a color light column and a laser encryption point light source reproduction image-text, and the laser encryption point light source reproduction image-text is arranged on the color light column. Above-mentioned antifalsification label, diffraction light become image information layer including colored light column and laser encryption pointolite reappear picture and text, and still set up the antifalsification image layer on diffraction light becomes image information layer, is difficult to by the imitation person imitate, and anti-fake function is strong.
Description
Technical Field
The utility model relates to an anti-fake technical field especially relates to a take off destruction antifalsification label with laser encryption technique.
Background
At present, with the rapid development of electronic commerce, a wide variety of commodities continuously enter the market. Many lawless persons can imitate counterfeit products in large quantities. The counterfeit and shoddy commodities not only bring serious economic loss to regular commodity producers, but also seriously harm the life and property safety of consumers, and cause extremely severe social influence. Along with the progress of science and technology, the anti-counterfeiting means is more advanced and more diversified. In order to prevent the products of each commodity manufacturer from being counterfeited, the commodity manufacturers mostly adopt anti-counterfeiting labels to prevent the commodities produced by the manufacturers from being counterfeited.
However, the existing various anti-counterfeit labels are easy to be imitated by counterfeiters, and have weak anti-counterfeit function.
SUMMERY OF THE UTILITY MODEL
In view of the above, there is a need for a security label with strong security capability.
A uncovering damage anti-counterfeiting label with a laser encryption technology comprises a release layer, a glue layer, a release ink pattern layer, an aluminum layer, a diffraction light variation image information layer and an anti-counterfeiting image layer which are sequentially stacked;
the diffraction light variable image information layer comprises a color light column and a laser encryption point light source reproduction image-text, and the laser encryption point light source reproduction image-text is arranged on the color light column.
In one embodiment, the anti-counterfeiting image layer is a color two-dimensional code carrier layer, and the color two-dimensional code carrier layer comprises a carrier layer and a two-dimensional code printed on the carrier layer.
In one embodiment, the structure of the color light pillar is distributed in a grating stripe shape, and the period of the grating stripe of the color light pillar is 0.5-3 μm.
In one embodiment, the period of the grating stripes of the color pillars is 2 μm.
In one embodiment, the grating stripe direction of the color light pillar changes periodically from left to right, and the change angle ranges from 0 ° to 90 °.
In one embodiment, the structure of the laser encryption point light source for reproducing the image and text is a relief-type micro-nano structure.
In one embodiment, the aluminum layer has a thickness of 20nm to 50 nm.
In one embodiment, the thickness of the glue layer is 1 μm to 3 μm.
In one embodiment, the thickness of the release layer is 10 μm to 40 μm.
In one embodiment, the diffractive optically variable image information layer further comprises a miniature digital image having a word height of 20 μm to 60 μm.
In one embodiment, the micro-digital image is a relief-type micro-nano grating structure, the grating period of the relief-type micro-nano grating structure is 0.5 μm to 5 μm or the grating period of the relief-type micro-nano grating structure is 9 μm to 20 μm;
when the grating period of the relief type micro-nano grating structure is 0.5-5 mu m, the micro-digital image is colored;
when the grating period of the relief type micro-nano grating structure is 9-20 mu m, the micro-digital image is shown as a matte white.
Above-mentioned uncovering that has laser encryption technique destroys antifalsification label, diffraction light become image information layer including colored light column and laser encryption pointolite reappear picture and text, and still set up the antifalsification image layer on diffraction light becomes image information layer, is difficult to by the imitation person imitate, and anti-fake function is strong.
Drawings
FIG. 1 is a schematic diagram of an exemplary tamper-evident security label with laser encryption;
FIG. 2 is a top view of the tamper evident security label of FIG. 1 having laser encryption technology;
fig. 3 is a schematic diagram of a micro-nano structure of a laser encrypted point light source for reproducing graphics and texts.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be understood that the relation indicating the direction or position such as "up" is based on the direction or position shown in the drawings, or the direction or position conventionally placed when the utility model is used, or the direction or position conventionally understood by those skilled in the art, and is only for convenience of description and simplification of the description, and it does not indicate or imply that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
The following describes in detail embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1, the tamper-evident security label with laser encryption technology according to one embodiment includes a release layer 16, a glue layer 15, a release ink pattern layer 14, an aluminum layer 13, a diffractive optical variable image information layer 12, and a security image layer 11, which are sequentially stacked.
The diffracted light-variable image information layer 12 includes a color light pillar 120 and a laser-encrypted point light source reproduction pattern 121, and the laser-encrypted point light source reproduction pattern 121 is provided on the color light pillar 120.
Above-mentioned uncovering that has laser encryption technique destroys antifalsification label, diffraction light becomes image information layer 12 and includes colored light column 120 and laser encryption point light source and reappear picture and text 121, and still sets up antifalsification image layer 11 on diffraction light becomes image information layer 12, is difficult to imitated by the person of making fake, and anti-fake function is strong.
In one embodiment, the security image layer 11 is a colored two-dimensional code carrier layer. The anti-counterfeiting image layer 11 is covered on the diffraction light variable image information layer 12 by the colored two-dimensional code carrier layer. The colored two-dimensional code carrier layer includes a carrier layer and a two-dimensional code 110 printed on the carrier layer. The color two-dimensional code 110 is printed by spot color or common color ink, and the color gradually changes along the diagonal line in an iridescent manner.
In one embodiment, referring to fig. 2, a product code 111 is printed under the color two-dimensional code 110.
The color two-dimensional code carrier layer adopts a resin film base material, preferably a PET base material, and has the thickness of 10-50 μm, preferably 25-35 μm.
The diffractive optically variable image information layer 12 is overlaid on the aluminum layer 13. The diffraction light variation image information layer 12 is produced by micro-nano processing equipment and is obtained by coating, die pressing and copying acid-base-resistant, sweat-resistant and high-low temperature-resistant modified epoxy acrylic coating.
In one embodiment, the diffractive optically variable image information layer 12 is viewed rotationally to see the impinging motion of the colored light pillars 120. The color light pillar 120 is formed by modulating and diffracting natural light incident on the surface of the micro-nano relief structures arranged according to a certain rule. Further, the micro-nano relief structure of the color light pillar 120 is a sinusoidal grating or a wedge blazed grating.
Furthermore, the structure of the color light pillar 120 is distributed in a grating stripe shape, and the period of the grating stripe is 0.5 μm to 3 μm. Preferably, the period of the grating stripes is 2 μm.
Further, the grating stripe direction of the color light pillar 120 changes periodically from left to right, and the change angle range is 0 to 90 °.
In one embodiment, referring to fig. 3, the structure of the laser-encrypted point light source reproduction image 121 is a relief-type micro-nano structure 1210. Specifically, the laser encrypted point light source reproduces the micro-nano structure of the image 121, and the micro-nano structure is represented as a honeycomb micro-nano relief structure.
It is understood that the laser encrypted point light source reproduction text 121 is randomly or regularly arranged in the structural plane of the color light pillar 120.
In one embodiment, the relief-type micro-nano structure is formed by recording the optical wave front modulation information on the medium surface in a laser etching mode. Specifically, the laser encrypted point light source is used to reproduce the image 121 by modulating the light wave front and recording the modulated information on the medium surface by laser etching.
In one embodiment, when the relief-type micro-nano structure is illuminated by a point light source, the light wave is modulated and diffracted into a desired image.
In one embodiment, when the relief-type micro-nano structure is irradiated by a point light source, light waves are modulated and diffracted into two layers of image-text images with different depths of field, and when the point light source is shaken, the image-text images float along with the point light source.
In one embodiment, the diffractive optically variable image information layer 12 further comprises a miniature image 122. The miniature image 122 is arranged below the laser encryption point light source reproduction image 121. The miniature image 122 has a height of 20 μm to 60 μm. Preferably, the miniature image 122 has a word height of 40 μm.
The miniature image 122 may be in color or in a matte white color. The miniature image 122 is formed by modulating and diffracting the natural light incident on the surface of the relief-type micro-nano grating structure etched by the laser. In one embodiment, the relief-type micro-nano grating structure has a grating period of 0.5 μm to 5 μm, and the micro-digital image 122 is represented by color. In another embodiment, the embossed micro-nano grating structure has a grating period of 9 μm to 20 μm, and the micro-scaled image 122 is represented as a matte white.
The diffraction light variation image information layer 12 is produced by micro-nano processing equipment, and then is obtained by coating and mould pressing replication of acid-base-resistant, sweat-resistant and high-low temperature-resistant modified epoxy acrylic coating. The modified epoxy acrylic coating is prepared by modifying epoxy acrylic resin with an epoxy group-containing multifunctional organic silicon modifier.
The thickness of the low-temperature modified epoxy acrylic paint coating is 1-3 mu m, preferably 1.5-2.5 mu m.
Specifically, the color light column 120 structure, the laser encrypted point light source reproduced image 121 micro-nano structure and the micro-digital image 122 are all generated by micro-nano processing equipment, and then are obtained by coating, molding and copying an acid-base sweat-resistant high-low temperature-resistant modified epoxy acrylic coating.
The modified epoxy acrylic coating is prepared by taking acid-base-resistant, sweat-resistant and high-low temperature-resistant modified epoxy acrylic coating as a self-made coating, taking commercially available Changxing epoxy acrylic resin ETERAC 7627-2 as main resin, ball-milling and mixing epoxy-containing multifunctional silicone modifier (self-made) and epoxy acrylic resin ETERAC 7627-2 according to the mass ratio, diluting with a solvent, and adding assistants such as a leveling agent and a defoaming agent.
The mass ratio of the epoxy-containing multifunctional organic silicon modifier to the epoxy acrylic resin ETERAC 7627-2 is 1: 10-1: 20.
The solvent is a conventional commercial solvent of ketones and esters.
And the assistants such as the leveling agent, the defoaming agent and the like are all commercial assistants. BYK auxiliary agents are preferred.
The preparation process of the epoxy-containing multifunctional organic silicon modifier comprises the following steps: taking hydroxyl-terminated organic silicon and epoxy chloropropane as raw materials, and taking alkali as a catalyst to prepare an organic silicon modifier:
the modified epoxy acrylic coating containing the organic silicon has the advantages of good thermal stability, high and low temperature resistance, good weather resistance and good oxidation resistance of the organic silicon, and also has the advantages of high modulus, high strength, chemical resistance, excellent corrosion resistance, good luster and high fullness of the epoxy acrylic resin.
In one embodiment, the thickness of the aluminum layer 13 is 20nm to 50 nm. Preferably, the thickness of the aluminum layer 13 is 25nm to 45 nm.
In one embodiment, the diffractive optically variable image information layer 12 is coated with an aluminum layer 13 by vacuum coating.
In one embodiment, a release ink design layer 14, the design of which is screen printed onto the aluminum layer 13. And silk-screening specific pattern characters 140 on the release ink pattern layer 14. The silk-screen printing ink has a release effect, and the release effect of the release ink pattern layer 14 is weaker than that of the release layer 16. Specifically, the silk-screen printing ink is printed by adopting the silk-screen printing ink which is sold in the market and has a release effect.
In one embodiment, the glue layer 15 is 1 μm to 3 μm thick. Preferably, the glue layer 15 has a thickness of 2 μm.
In one embodiment, specifically, the glue layer 15 is coated with an acid and alkali resistant high adhesion silicone modified polyurethane adhesive. The thickness of the glue layer 15 is 1 μm to 3 μm, and preferably, the thickness of the glue layer 15 is 1.5 μm to 2 μm.
The organic silicon modified polyurethane adhesive is prepared by ball milling and mixing of polyurethane resin, chloroprene rubber and PDMS organic silicon modifier. The adhesive has acid and alkali resistance, sweat resistance, high and low temperature resistance and strong initial adhesion, and can be quickly adhered to a plastic substrate, in particular to an OPP film substrate.
The organic silicon modified polyurethane adhesive with acid and alkali resistance and strong adhesive force is a self-made adhesive, a commercially available Changxing polyurethane resin ETERANE 89641BA and a commercially available CR 24412442 type chloroprene rubber are used as main body resins, the polyurethane resin ETERANE 89641BA and the CR 24412442 type chloroprene rubber are mixed in a ball milling mode according to the mass ratio of 3:1, a PDMS organic silicon modifier is added, the mixture is mixed in a ball milling mode continuously, a solvent is used for diluting, and auxiliary agents such as a leveling agent and a defoaming agent are added, so that the organic silicon modified polyurethane adhesive is obtained. Wherein, the solvent is a conventional commercial solvent of ketones and esters. Auxiliaries such as leveling agents and defoaming agents are commercially available auxiliaries, preferably auxiliaries from BYK company.
Wherein, the preparation process of the PDMS organic silicon modifier is as follows: the modified polyurethane is prepared by carrying out polymerization reaction on commercially available hydroxyl-terminated Polydimethylsiloxane (PDMS) and 4, 4 diphenylmethane diisocyanate (MDI) under the presence of a catalyst.
The organic silicon modified polyurethane adhesive not only has excellent initial adhesive force endowed by chloroprene rubber, but also has the advantages of high and low temperature resistance, acid and alkali resistance, sweat resistance, strong adhesive force and the like. Excellent adhesion to plastic substrates, especially OPP substrates. The uncovering damage anti-counterfeiting label with the laser encryption technology adopts the self-made organic silicon modified polyurethane adhesive, can be quickly adhered to the surface of an article, particularly a plastic film substrate, especially an OPP substrate, and has high adhesion fastness.
In one embodiment, the release layer 16 is a polyester film coated with a silicone release agent. In one embodiment, the thickness of the release layer 16 is 10 μm to 40 μm, and preferably, the thickness of the release layer 16 is 25 μm to 30 μm. The release effect of the release layer 16 is stronger than that of the silk-screen printing ink of the release ink pattern layer 14.
The uncovering damage anti-counterfeiting label with the laser encryption technology has the advantages that the first anti-counterfeiting image layer comprises the colored light beam 120 and the laser encryption point light source to reproduce the image and text 121, the anti-counterfeiting effect is good, and counterfeiting is not easy to occur. When the relief-type micro-nano structure is irradiated by the point light source through further arranging the laser encryption point light source to reproduce the pictures and texts 121, light waves are modulated and diffracted into two layers of picture and text images with different depths of field, and when the point light source is shaken, the picture and text images float along with the point light source, so that the anti-counterfeiting effect is further improved. And the anti-counterfeiting effect is further improved by further arranging the miniature digital image.
The uncovering damage anti-counterfeiting label with the laser encryption technology is produced by taking a plastic film as a base material in a roll-to-roll and label coiling manner, and can be quickly adhered to the surface of an article through a labeling machine.
The uncovering damage anti-counterfeiting label with the laser encryption technology has the advantages of delicate appearance, good decoration effect, acid and alkali resistance, sweat resistance, high and low temperature resistance, adoption of multiple anti-counterfeiting technologies, easy identification, low price and durability. When the label is used, the release layer 16 is uncovered, the glue layer 15 is pasted on the base material, the label can be quickly pasted on the base material, particularly an OPP film base material, the label has a color two-dimensional code, the label is broken after being pasted, the specific pattern and character logo of the isolation pattern layer is exposed, and the label cannot be pasted and restored. Can be applied to tobacco and wine anti-counterfeiting.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The uncovering damage anti-counterfeiting label with the laser encryption technology is characterized by comprising a release layer, a glue layer, a release ink pattern layer, an aluminum layer, a diffraction light variation image information layer and an anti-counterfeiting image layer which are sequentially laminated;
the diffraction light variable image information layer comprises a color light column and a laser encryption point light source reproduction image-text, and the laser encryption point light source reproduction image-text is arranged on the color light column.
2. The tamper-evident security label with laser encryption technology of claim 1, wherein the security image layer is a colored two-dimensional code carrier layer, the colored two-dimensional code carrier layer comprising a carrier layer and a two-dimensional code printed on the carrier layer.
3. The tamper-evident security label with laser encryption technology as claimed in claim 1, wherein the structure of the colored light pillar is distributed in a grating stripe shape, and the period of the grating stripe of the colored light pillar is 0.5 μm to 3 μm.
4. The tamper-evident security label with laser encryption technology as claimed in claim 3, wherein the grating stripe direction of the colored light pillar changes periodically from left to right with a change angle ranging from 0 ° to 90 °.
5. The tamper-evident security label with laser encryption technology of claim 1, wherein the structure of the laser encryption point light source reproduction image and text is a relief-type micro-nano structure.
6. The tamper-evident security label with laser encryption of claim 1, wherein the aluminum layer has a thickness of 20nm to 50 nm.
7. The tamper-evident security label with laser encryption technology of claim 1, wherein the glue layer has a thickness of 1 μm to 3 μm.
8. The tamper-evident security label with laser encryption technology of claim 1, wherein the thickness of the release layer is 10 μm to 40 μm.
9. The tamper-evident security label with laser encryption technology of claim 1, wherein the diffractive optically variable image information layer further comprises a miniature digital image having a wordlength of 20 μm to 60 μm.
10. The tamper-evident security label with laser encryption technology according to claim 9, wherein the micro-digital image is a relief-type micro-nano grating structure, the grating period of the relief-type micro-nano grating structure is 0.5 μm to 5 μm or the grating period of the relief-type micro-nano grating structure is 9 μm to 20 μm;
when the grating period of the relief type micro-nano grating structure is 0.5-5 mu m, the micro-digital image is colored;
when the grating period of the relief type micro-nano grating structure is 9-20 mu m, the micro-digital image is shown as a matte white.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021273719.XU CN212365349U (en) | 2020-07-02 | 2020-07-02 | Uncovering damage anti-counterfeit label with laser encryption technology |
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| CN202021273719.XU CN212365349U (en) | 2020-07-02 | 2020-07-02 | Uncovering damage anti-counterfeit label with laser encryption technology |
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| CN212365349U true CN212365349U (en) | 2021-01-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114360360A (en) * | 2021-12-08 | 2022-04-15 | 深圳市众立生包装科技有限公司 | Anti-counterfeiting printing material and preparation method and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114360360A (en) * | 2021-12-08 | 2022-04-15 | 深圳市众立生包装科技有限公司 | Anti-counterfeiting printing material and preparation method and application thereof |
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Address after: 518132 Building 1 and Building 3, 1st Floor, Tianliao Avenue Juhui Mold Industrial Park, Tianliao Community, Yutang Street, Guangming New District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Shenda Aurora Technology Co.,Ltd. Address before: 518132 Building 1, Juhui Industrial Park, Tianliao community, Guangming New District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN SHENDA AURORA TECHNOLOGY Co.,Ltd. |