CN109658113B - Paper packaging material multiple anti-counterfeiting mark and preparation method thereof - Google Patents
Paper packaging material multiple anti-counterfeiting mark and preparation method thereof Download PDFInfo
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- CN109658113B CN109658113B CN201811553745.5A CN201811553745A CN109658113B CN 109658113 B CN109658113 B CN 109658113B CN 201811553745 A CN201811553745 A CN 201811553745A CN 109658113 B CN109658113 B CN 109658113B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/018—Certifying business or products
- G06Q30/0185—Product, service or business identity fraud
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging
Abstract
The utility model relates to a commodity anti-counterfeiting technology, in particular to a paper packaging material multiple anti-counterfeiting mark and a preparation method thereof, wherein the paper packaging material multiple anti-counterfeiting mark comprises a background color layer (1), an invisible two-dimensional code layer (2) is printed on the background color layer (1), and the printing material of the invisible two-dimensional code layer (2) comprises 85-90wt% of light-color printing ink, 3-5wt% of silane and 5-10wt% of WO (WO) 3 A photochromic material; the printing material of the background base color layer (1) comprises 85-90wt% of light-colored ink, 3-5wt% of silane and 5-10wt% of Y by mass percent 2 O 3 Eu nano fluorescent powder. The utility model has triple anti-counterfeiting effect, comprises invisible two-dimensional codes, color-changing two-dimensional codes and fluorescent background, has the advantages of low cost, complex anti-counterfeiting structure, good concealment and the like, is difficult to imitate by common people, and has wide application prospect in the field of paper packaging materials.
Description
Technical Field
The utility model relates to a commodity anti-counterfeiting technology, in particular to a paper packaging material multiple anti-counterfeiting mark and a preparation method thereof.
Background
In recent years, counterfeit products are increasingly rampant, and commodity anti-counterfeiting technology at home and abroad is rapidly developed in order to protect enterprise brands, markets and legal rights and interests of vast consumers. At present, the anti-counterfeiting technical products mainly comprise anti-counterfeiting marks, structural and packaging anti-counterfeiting technical products, anti-counterfeiting materials (anti-counterfeiting paper, anti-counterfeiting film, anti-counterfeiting ink, anti-counterfeiting printing oil and the like), computer multimedia anti-counterfeiting technical products, biological characteristic anti-counterfeiting technical products, nuclear magnetic resonance radio frequency identification (MR) anti-counterfeiting technologies and the like. The choice of anti-counterfeiting technology is often related to the added value and cost of the commodity.
The printing ink anti-counterfeiting technology has low cost and easy operation, and is an anti-counterfeiting technology which is widely used in the current packaging materials. The anti-fake technology is mainly that special matter is added into ink and the ink is processed into special printing ink. The fluorescent material is usually used as an additive of fluorescent ink, so that a certain area of a printed matter can emit corresponding visible light under ultraviolet irradiation, however, the single fluorescent ink anti-counterfeiting technology cannot be effective for a long time, can only play a good anti-counterfeiting role in a period of time, and is very easy to imitate by a common counterfeiter, so that the arrangement of multiple anti-counterfeiting technologies in a specific printed area of the packaging material is an indispensable maintenance.
The patent application number 201721026142.0 discloses a invisible two-dimensional code mark in Chinese patent of the patent name, wherein the controller controls the electrochromic device to change the color of the two-dimensional code, the device is similar to the substrate under a certain bias voltage, and the two-dimensional code cannot be scanned at the moment, so that the stealth function of the two-dimensional code is realized; when the conversion bias voltage is in another state, the color of the device changes, the two-dimensional code is displayed, and normal scanning can be performed. The mode needs to control the bias device by the controller, the operation is complex, and only professional technicians can reasonably control the bias device generally, and common consumers are difficult to control the display and the hidden of the two-dimension code; meanwhile, in order to enable the two-dimensional code to be scanned rapidly, the two-dimensional code needs to be adjusted to the color with larger base color difference, but the base color can be quite various, so that the difficulty of color adjustment of the two-dimensional code is further increased; finally, the technology is realized by only scanning the two-dimensional code, and cannot play a role in multiple anti-counterfeiting.
Disclosure of Invention
The utility model provides a paper packaging material multiple anti-counterfeiting mark and a preparation method thereof, aiming at the problems of the anti-counterfeiting technology in the prior art.
In order to solve the technical problems, the utility model is solved by the following technical scheme:
a paper packaging material multiple anti-counterfeiting mark comprises a background base color layer, wherein an invisible two-dimensional code layer is printed on the background base color layer, and the printing material of the invisible two-dimensional code layer comprises 85-90wt% of light-color printing ink, 3-5wt% of silane and 5-10wt% of WO (WO) 3 A photochromic material; the printing material of the background base color layer comprises 85-90wt% of light-colored ink, 3-5wt% of silane and 5-10wt% of Y by mass percent 2 O 3 Eu nano fluorescent powder.
A method for preparing a paper packaging material multiple anti-counterfeiting mark, which comprises the following steps:
step one,The light-colored ink, the silane and the WO are respectively weighed according to the mass percentage 3 The photochromic material is used as a printing material of the invisible two-dimensional code layer; the light-colored printing ink, the silane and the Y are respectively weighed according to the mass percentage 2 O 3 Eu nano fluorescent powder is used as a printing material of a background color layer;
step two, mixing the weighed materials in the step one to prepare a printing material of a background color layer;
step three, mixing the weighed materials in the step one to prepare a printing material of the invisible two-dimensional code layer;
and step four, printing the printing material prepared in the step two on the packaging material to form a background base color layer, and then printing the printing material prepared in the step three on the background base color layer to form the invisible two-dimensional code layer.
Preferably, the second step specifically includes the following steps:
step 2.1, first Y 2 O 3 Mixing Eu nano fluorescent powder and absolute ethyl alcohol, and then preparing Y with 0.05-0.1g/mL under 200Hz condition by ultrasonic treatment 2 O 3 Eu suspension;
step 2.2, adding silane into the suspension in step 2.1, continuously and uniformly mixing by ultrasonic under the condition of 200Hz, and reacting for 5-8 hours at room temperature to obtain silane modified Y 2 O 3 Eu nano fluorescent material;
step 2.3, finally modifying the silane into Y 2 O 3 Eu is added into the light-colored ink and stirred and mixed uniformly to obtain the printing material of the background base color layer.
Preferably, the third step specifically includes the following steps:
step 3.1, WO is first added 3 Mixing photochromic powder with absolute ethanol, and ultrasound preparing into WO 0.1-0.2g/mL under 200Hz 3 A suspension;
step 3.2, adding silane into the suspension in step 3.1, continuously and uniformly mixing by ultrasonic under the condition of 200Hz, and reacting for 5-8 hours at room temperature to obtain silane modified WO 3 A photochromic material;
step 3.3, finally silane modification of WO 3 Adding light oilAnd uniformly stirring and mixing the ink to obtain the printing material of the invisible two-dimensional code layer.
Preferably, the sequence of the second step and the third step can be replaced.
Preferably, the light-colored ink used for preparing the printing material of the invisible two-dimensional code layer in the first step is the same as the light-colored ink used for preparing the printing material of the background color layer.
The utility model has the remarkable technical effects due to the adoption of the technical scheme:
the utility model has triple anti-counterfeiting effect, comprises invisible two-dimensional codes, color-changing two-dimensional codes and fluorescent background, has the advantages of low cost, complex anti-counterfeiting structure, good concealment and the like, is difficult to imitate by common people, and has wide application prospect in the field of paper packaging materials.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of the present utility model.
The names of the parts indicated by the numerical references in the drawings are as follows: 1-background color layer, 2-stealthy two-dimensional code layer.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings and examples.
Example 1
The utility model provides a multiple anti-fake sign of paper packaging material, as shown in fig. 1, includes background ground color layer 1, has stealthy two-dimensional code layer 2 of printing on the background ground color layer 1, its characterized in that: the printing material of the invisible two-dimensional code layer 2 comprises 85-90wt% of light-colored printing ink, 3-5wt% of silane and 5-10wt% of WO (WO) 3 The photochromic material comprises 85 parts of light-colored ink, 5 parts of silane and 10 parts of WO3 photochromic material; the printing material of the background base color layer 1 comprises 85-90wt% of light-colored ink, 3-5wt% of silane and 5-10wt% of Y by mass percent 2 O 3 Eu nano fluorescent powder, in this example, 90 portions of light-colored ink, 3 portions of silane and Y are selected 2 O 3 7 parts of Eu nano fluorescence.
The specific method for preparing the paper packaging material multiple anti-counterfeiting mark comprises the following steps:
step one, weighing light-colored printing ink, silane and WO according to mass percent 3 The photochromic material is used as a printing material of the invisible two-dimensional code layer 2; the light-colored printing ink, the silane and the Y are respectively weighed according to the mass percentage 2 O 3 Eu nano fluorescent powder is used as a printing material of the background base color layer 1;
step two, mixing the weighed materials in the step one to prepare a printing material of the background color layer 1;
step three, mixing the weighed materials in the step one to prepare a printing material of the invisible two-dimensional code layer 2;
and step four, printing the printing material prepared in the step two on the packaging material to form a background color layer 1, and then printing the printing material prepared in the step three on the background color layer 1 to form a invisible two-dimensional code layer 2.
The second step specifically comprises the following steps:
step 2.1, first Y 2 O 3 Mixing Eu nano fluorescent powder and absolute ethyl alcohol, and then preparing the mixture into 0.05g/mL Y by ultrasonic under the condition of 200Hz 2 O 3 Eu suspension;
step 2.2, adding silane into the suspension in step 2.1, continuously and uniformly mixing by ultrasonic under the condition of 200Hz, and reacting for 8 hours at room temperature to obtain the hydrophobic and oleophylic silane modified Y 2 O 3 Eu nano fluorescent material;
step 2.3, finally modifying the silane into Y 2 O 3 Eu is added into the light-colored ink and stirred and mixed uniformly to obtain the printing material of the background base color layer 1.
The third step specifically comprises the following steps:
step 3.1, WO is first added 3 Mixing photochromic powder with absolute ethanol, and performing ultrasonic preparation under 200Hz to obtain WO 0.1g/mL 3 A suspension;
step 3.2, adding silane into the suspension in step 3.1, continuously and uniformly mixing by ultrasonic under the condition of 200Hz, and reacting for 5 hours at room temperature to obtain the hydrophobic and oleophilic silane modified WO 3 A photochromic material;
step 3.3, finally silane modification of WO 3 Adding the invisible two-dimensional code layer 2 into the light-colored printing ink, and uniformly stirring and mixing to obtain the printing material of the invisible two-dimensional code layer 2.
The light-colored ink used for preparing the printing material of the invisible two-dimensional code layer 2 in the first step of this embodiment is the same as the light-colored ink used for preparing the printing material of the background base color layer 1.
WO 3 Photochromic materials and Y 2 O 3 Eu nano fluorescent material is hidden in a printed matter and cannot be observed by naked eyes, when an ultraviolet lamp irradiates, the invisible two-dimensional code layer 2 can turn into blue, the background color layer 1 of the two-dimensional code can emit red fluorescence to display a bright two-dimensional code pattern, after the ultraviolet lamp irradiates, the blue two-dimensional code can be continuously maintained, the background color layer 1 does not emit red fluorescence any more, finally, a two-dimensional code area is heated, the two-dimensional code is faded, turns colorless and is hidden in the printed matter, and the multiple anti-counterfeiting effect is achieved.
The specific working principle is as follows: the principle of the color development of the invisible two-dimensional code is that under the irradiation of ultraviolet light, WO 3 Electrons in the valence band are excited to the conduction band, leaving holes in the valence band, creating electron-hole pairs, photo-generating electrons multiple W 6+ Capturing, generating W 5+ At the same time generate holes and WO 3 The reduction adsorbed on the surface of the powder reacts to release protons H+, and the released protons diffuse to the inside along the surface and are transported with WO through different lattices in the inside 3 Composite formation of tungsten bronze H x WO 3 ，H x WO 3 W in (2) 5+ Electrons in the valence band transition to the conduction band causing the powder to appear blue.
The principle of two-dimensional code fading is as follows: heating the two-dimensional code in air to enable H to be x WO 3 And oxidized into WO 3 The blue color fades and the primary color is restored.
The principle that the background color layer 1 turns red under ultraviolet light is as follows: y is Y 2 O 3 Eu fluorescent material can absorb energy in a certain form, and excite photons to release the absorbed energy in a low visible light form, so that red fluorescent phenomenon is generated.
The utility model has triple anti-counterfeiting effects, comprises an invisible two-dimensional code, a color-changing two-dimensional code and a fluorescent background, and concretely refers to a first double anti-counterfeiting method that the invisible two-dimensional code is colored through ultraviolet irradiation, then a mobile phone is scanned, a official network is accessed to check authenticity, a second double anti-counterfeiting method that the color of the two-dimensional code is colored and then the two-dimensional code can be decolorized after heating is needed, a user can perform a second double anti-counterfeiting identification through a heating mode on the two-dimensional code, and if the color is not decolorized, the product belongs to a fake product; the third is that the two-dimensional code background can send red visible light under ultraviolet illumination, and this red visible light can form sharp contrast with the two-dimensional code of blue on the one hand for the two-dimensional code can be scanned fast, on the other hand also can carry out third anti-fake discernment through the colour change of this background ground colour layer 1, if background ground colour layer 1 does not discolour or not red also indicates that belongs to counterfeit and inferior product. By combining the triple anti-counterfeiting technology, the anti-counterfeiting structure is more complex, the concealment is good, and common people are difficult to imitate.
Example 2
The difference from embodiment 1 is that in this embodiment, the preparation of the invisible two-dimensional code layer 2 is: WO is firstly put into 3 Mixing photochromic powder with absolute ethanol, and performing ultrasonic preparation under 200Hz to obtain WO 0.1g/mL 3 Adding silane into the suspension, continuously and uniformly mixing by ultrasonic under 200Hz, and reacting for 5 hours at room temperature to obtain the hydrophobic and oleophilic silane modified WO 3 Photochromic materials, finally silane modified WO 3 Adding the invisible two-dimensional code into the light-colored ink, stirring and mixing uniformly, and printing the invisible two-dimensional code.
Specifically, each material in the invisible two-dimensional code layer 2 comprises the following components in percentage by mass: light-colored ink 90 parts, silane 3 parts, WO 3 The photochromic materials are uniformly mixed in a proportion of 7 parts.
Preparation of background base color layer 1: first Y is 2 O 3 Mixing Eu nano fluorescent powder and absolute ethyl alcohol, and then preparing the mixture into 0.1g/mL Y by ultrasonic under 200Hz condition 2 O 3 Eu suspension, adding silane into the suspension, continuously and uniformly mixing by ultrasonic under 200Hz, and reacting for 6 hours at room temperature to obtain the hydrophobic and oleophylic silane modified Y 2 O 3 Eu nano fluorescent material, and finally silane is modified into Y 2 O 3 Eu is added into the light-colored ink, stirred and mixed uniformly and is used for printing the background color of the invisible two-dimensional code.
Specifically, the background ground color layer 1 comprises the following materials in percentage by mass: 88 parts of light-colored ink, 4 parts of silane and Y 2 O 3 Mixing the Eu nano fluorescence with 8 parts uniformly.
The performance of the invisible two-dimensional code layer 2 and the background color layer 1 is similar to that of the embodiment 1.
Example 3
The difference from embodiment 1 is that in this embodiment, the preparation of the invisible two-dimensional code layer 2 is: WO is firstly put into 3 Mixing photochromic powder with absolute ethanol, and performing ultrasonic preparation under 200Hz to obtain WO 0.2g/mL 3 Adding silane into the suspension, continuously and uniformly mixing by ultrasonic under 200Hz, and reacting for 8 hours at room temperature to obtain the hydrophobic and oleophilic silane modified WO 3 Photochromic materials, finally silane modified WO 3 Adding the invisible two-dimensional code into the light-colored ink, stirring and mixing uniformly, and printing the invisible two-dimensional code.
Specifically, each material in the invisible two-dimensional code layer 2 comprises the following components in percentage by mass: 85 parts of light-colored ink, 5 parts of silane and WO 3 The photochromic materials are uniformly mixed according to the proportion of 10 parts.
Preparation of background base color layer 1: first Y is 2 O 3 Mixing Eu nano fluorescent powder and absolute ethyl alcohol, and then preparing the mixture into 0.05g/mL Y by ultrasonic under the condition of 200Hz 2 O 3 Eu suspension, adding silane into the suspension, continuously and uniformly mixing by ultrasonic under 200Hz, and reacting for 7 hours at room temperature to obtain the hydrophobic and oleophylic silane modified Y 2 O 3 Eu nano fluorescent material, and finally silane is modified into Y 2 O 3 Eu is added into the light-colored ink, stirred and mixed uniformly and is used for printing the background color of the invisible two-dimensional code.
Specifically, the background ground color layer 1 comprises the following materials in percentage by mass: 88 parts of light-colored ink, 4 parts of silane and Y 2 O 3 Mixing the Eu nano fluorescence with 8 parts uniformly.
The performance of the invisible two-dimensional code layer 2 and the background color layer 1 is similar to that of the embodiment 1.
Example 4
The difference from embodiment 1 is that in this embodiment, the preparation of the invisible two-dimensional code layer 2 is: WO is firstly put into 3 Mixing photochromic powder with absolute ethanol, and performing ultrasonic preparation under 200Hz to obtain WO 0.1g/mL 3 Adding silane into the suspension, continuously and uniformly mixing by ultrasonic under 200Hz, and reacting for 6 hours at room temperature to obtain the hydrophobic and oleophilic silane modified WO 3 Photochromic materials, finally silane modified WO 3 Adding the invisible two-dimensional code into the light-colored ink, stirring and mixing uniformly, and printing the invisible two-dimensional code.
Specifically, each material in the invisible two-dimensional code layer 2 comprises the following components in percentage by mass: 87 parts of light-colored ink, 4 parts of silane and WO 3 The photochromic materials were uniformly mixed in a proportion of 9 parts.
Preparation of background base color layer 1: first Y is 2 O 3 Mixing Eu nano fluorescent powder and absolute ethyl alcohol, and then preparing the mixture into 0.1g/mL Y by ultrasonic under 200Hz condition 2 O 3 Eu suspension, adding silane into the suspension, continuously and uniformly mixing by ultrasonic under 200Hz, and reacting for 8 hours at room temperature to obtain the hydrophobic and oleophylic silane modified Y 2 O 3 Eu nano fluorescent material, and finally silane is modified into Y 2 O 3 Eu is added into the light-colored ink, stirred and mixed uniformly and is used for printing the background color of the invisible two-dimensional code.
Specifically, the background ground color layer 1 comprises the following materials in percentage by mass: 86 parts of light-colored ink, 4 parts of silane and Y 2 O 3 Mixing the Eu nano fluorescence with the weight ratio of 10 parts uniformly.
The performance of the invisible two-dimensional code layer 2 and the background color layer 1 is similar to that of the embodiment 1.
Example 5
The difference between the steps two and three in this embodiment is that the sequence of steps two and three in this embodiment can be replaced, that is, the printing material of the invisible two-dimensional code layer 2 is prepared first, then the printing material of the background color layer 1 is prepared, and the performances of the obtained invisible two-dimensional code and the background color thereof are similar to those in embodiment 1.
In summary, the foregoing description is only of the preferred embodiments of the present utility model, and all equivalent changes and modifications made in accordance with the claims should be construed to fall within the scope of the utility model.
Claims (3)
1. The utility model provides a multiple anti-fake sign of paper packaging material, includes background ground color layer (1), and the printing has stealthy two-dimensional code layer (2), its characterized in that on background ground color layer (1): the printing material of the invisible two-dimensional code layer (2) comprises 85-90wt% of light-colored printing ink, 3-5wt% of silane and 5-10wt% of WO (WO) 3 A photochromic material; the printing material of the background base color layer (1) comprises 85-90wt% of light-colored ink, 3-5wt% of silane and 5-10wt% of Y by mass percent 2 O 3 Eu nano fluorescent powder.
2. A method for preparing the paper packaging material multiple anti-counterfeiting mark as claimed in claim 1, which is characterized by comprising the following steps:
step one, weighing light-colored printing ink, silane and WO according to mass percent 3 The photochromic material is used as a printing material of the invisible two-dimensional code layer (2); the light-colored printing ink, the silane and the Y are respectively weighed according to the mass percentage 2 O 3 Eu nano fluorescent powder is used as a printing material of the background base color layer (1);
the light-colored ink for preparing the printing material of the invisible two-dimensional code layer (2) is the same as the light-colored ink for preparing the printing material of the background color layer (1);
step two, mixing the weighed materials in the step one to prepare a printing material of the background color layer (1);
step three, mixing the weighed materials in the step one to prepare a printing material of the invisible two-dimensional code layer (2); printing the printing material prepared in the second step on a packaging material to form a background color layer (1), and then printing the printing material prepared in the third step on the background color layer (1) to form a invisible two-dimensional code layer (2); the second step specifically comprises the following steps:
step 2.1, first Y 2 O 3 Mixing Eu nano fluorescent powder and absolute ethyl alcohol, and then preparing Y with 0.05-0.1g/mL under 200Hz condition by ultrasonic treatment 2 O 3 Eu suspension;
step 2.2, adding silane into the suspension in step 2.1, continuously and uniformly mixing by ultrasonic under the condition of 200Hz, and reacting for 5-8 hours at room temperature to obtain silane modified Y 2 O 3 Eu nano fluorescent material;
step 2.3, finally modifying the silane into Y 2 O 3 Eu is added into light-colored printing ink and stirred and mixed uniformly to obtain a printing material of a background base color layer (1); the third step specifically comprises the following steps:
step 3.1, WO is first added 3 Mixing photochromic powder with absolute ethanol, and ultrasound preparing into WO 0.1-0.2g/mL under 200Hz 3 A suspension;
step 3.2, adding silane into the suspension in step 3.1, continuously and uniformly mixing by ultrasonic under the condition of 200Hz, and reacting for 5-8 hours at room temperature to obtain silane modified WO 3 A photochromic material;
step 3.3, finally silane modification of WO 3 Adding the invisible two-dimensional code layer (2) into the light-colored printing ink, and uniformly stirring and mixing to obtain the printing material of the invisible two-dimensional code layer (2).
3. The method for preparing the paper packaging material multiple anti-counterfeiting mark according to claim 2, which is characterized by comprising the following steps of: the sequence of the second step and the third step can be replaced.
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