CN114973915A - High-temperature-resistant label with multiple anti-counterfeiting functions and preparation method thereof - Google Patents
High-temperature-resistant label with multiple anti-counterfeiting functions and preparation method thereof Download PDFInfo
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- CN114973915A CN114973915A CN202210673946.9A CN202210673946A CN114973915A CN 114973915 A CN114973915 A CN 114973915A CN 202210673946 A CN202210673946 A CN 202210673946A CN 114973915 A CN114973915 A CN 114973915A
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- G—PHYSICS
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- 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
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/50—Sympathetic, colour changing or similar inks
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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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
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Abstract
The invention belongs to the technical field of transfer printing materials, and particularly discloses a high-temperature-resistant label with multiple anti-counterfeiting functions, which comprises a high-temperature label substrate, a first anti-counterfeiting layer, a first high-temperature-resistant protective layer, a high-temperature-resistant pressure-sensitive adhesive layer, a high-temperature-resistant surface material layer, a second anti-counterfeiting layer and a second high-temperature-resistant protective layer which are sequentially arranged from bottom to top; the first anti-counterfeiting layer comprises an invisible anti-channel conflict code, and the second anti-counterfeiting layer comprises a variable data code area and a fluorescent anti-counterfeiting area. The invention combines a plurality of anti-counterfeiting technologies together, achieves excellent anti-counterfeiting effect, is difficult to be completely cracked, can effectively solve the problems of anti-counterfeiting and anti-channel conflict of products, has the characteristic of lasting high temperature resistance, can still keep the anti-counterfeiting characteristics and the recognizable functions stable in a high-temperature environment, and can be applied to various high-temperature fields.
Description
Technical Field
The invention relates to the technical field of transfer printing materials, in particular to a high-temperature-resistant label with multiple anti-counterfeiting functions and a preparation method thereof.
Background
The anti-counterfeit label can prevent the production and sale of counterfeit and shoddy products, protect the rights and interests of brands and consumers, and is widely applied to various industries. However, in a high-temperature environment, a common anti-counterfeit label is easily damaged, and a stable anti-counterfeit feature and an identifiable function are difficult to form in the high-temperature environment. In order to apply the anti-counterfeit label to the high-temperature field, people develop a high-temperature resistant label, but the anti-counterfeit product which can be applied to the high-temperature scene at present basically adopts a single anti-counterfeit technology, but the anti-counterfeit label in a single anti-counterfeit form cannot meet the increasing anti-counterfeit requirement.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a high-temperature-resistant label with multiple anti-counterfeiting functions.
The invention also aims to provide a preparation method of the high-temperature-resistant label with multiple anti-counterfeiting functions.
A high-temperature-resistant label with multiple anti-counterfeiting functions comprises a high-temperature label substrate, a first anti-counterfeiting layer, a first high-temperature-resistant protective layer, a high-temperature-resistant pressure-sensitive adhesive layer, a high-temperature-resistant surface material layer, a second anti-counterfeiting layer and a second high-temperature-resistant protective layer which are sequentially arranged from bottom to top; the first anti-counterfeiting layer comprises an invisible anti-channel conflict code, and the second anti-counterfeiting layer comprises a variable data code area and a fluorescent anti-counterfeiting area.
Preferably, the high-temperature label substrate comprises ceramic fiber paper and a resin base material layer from bottom to top, wherein the resin base material layer comprises 80% -85% of epoxy modified organic silicon resin and 15% -20% of phenyl propyl silsesquioxane; the thickness of the ceramic fiber paper is not more than 0.5 mm.
Preferably, the variable data code area is provided with a variable data code containing commodity information; the variable data code is correlated with the information on the invisible anti-channel conflict code; the fluorescent anti-counterfeiting area is provided with fluorescent anti-counterfeiting content; the invisible anti-channel conflict code is obtained by adopting high-temperature-resistant invisible carbon ribbon transfer printing, the variable data code is obtained by adopting high-temperature-resistant color developing carbon ribbon transfer printing, and the fluorescent anti-counterfeiting content is obtained by adopting high-temperature-resistant fluorescent carbon ribbon transfer printing.
Preferably, the high-temperature-resistant invisible carbon ribbon comprises a first back coating, a first base film, a first release layer and an invisible ink layer which are sequentially arranged, wherein the invisible ink layer comprises 85% -90% of first connecting resin and 10% -15% of invisible spectrum material; the invisible spectrum material comprises 90-95% of infrared up-conversion fluorescent powder and 5-10% of nano zirconium dioxide powder.
Preferably, the high-temperature-resistant color developing carbon tape comprises a second back coating, a second base film, a second release layer and a color developing ink layer which are sequentially arranged, wherein the color developing ink layer comprises 69-79 parts of second connecting resin, 20-30 parts of pigment and 1-2 parts of dispersing agent; the pigment comprises 79-85% of copper-chromium black, 15-20 parts of micro-nano zirconium silicide powder and 0.1-0.3% of expanded microspheres.
Preferably, the high-temperature-resistant fluorescent carbon ribbon comprises a third back coating, a third base film, a third release layer and a fluorescent ink layer which are sequentially arranged, wherein the fluorescent ink layer comprises 90% -97% of third connecting resin and 3% -10% of fluorescent material; the fluorescent material comprises 88-90% of inorganic ultraviolet anti-counterfeiting fluorescent powder and 10-12% of alumina powder.
Preferably, the first high-temperature-resistant protective layer is an organic silicon coating, the second high-temperature-resistant protective layer is a coating formed by a high-temperature-resistant inorganic coating, and the high-temperature-resistant surface material layer is a polyimide film.
Preferably, the first back coating layer, the second back coating layer and the third back coating layer are all coatings obtained by polyimide resin; the first connecting resin, the second connecting resin and the third connecting resin are one or more of TPU resin, polyamide resin, polyester resin, petroleum resin, epoxy resin, EVA resin and polyester modified organic silicon resin, and the first release layer, the second release layer and the third release layer respectively comprise 95-98% of organic silicon modified acrylic resin and 2-5% of polytetrafluoroethylene wax.
Preferably, the second anti-counterfeiting layer further comprises a random texture area, the random texture area is provided with random textures with independent algorithms, and the random textures are obtained by transfer printing of the high-temperature-resistant color developing carbon ribbon.
A preparation method of the high-temperature-resistant label with the multiple anti-counterfeiting functions comprises the following steps:
s1, printing an invisible anti-channel conflict code on a high-temperature label substrate through a high-temperature-resistant invisible carbon ribbon to form a first anti-counterfeiting layer, and coating a first high-temperature-resistant protective layer on the first anti-counterfeiting layer;
s2, printing a variable data code on the surface of the high-temperature-resistant surface material layer through a printer with the high-temperature-resistant color developing carbon ribbon to form a variable data code area, forming random textures through software, printing the random textures on the surface of the high-temperature-resistant surface material layer through the printer with the high-temperature-resistant color developing carbon ribbon to form a random texture area, and printing fluorescent anti-counterfeiting contents on the surface of the high-temperature-resistant surface material layer through the printer with the high-temperature-resistant fluorescent carbon ribbon to form a fluorescent anti-counterfeiting area to form a second anti-counterfeiting layer;
and S3, coating a second high-temperature-resistant protective layer on the surface of the second anti-counterfeiting layer, coating a high-temperature-resistant pressure-sensitive adhesive layer on the bottom surface of the high-temperature-resistant surface material layer, and covering the high-temperature-resistant surface material layer on the surface of the first high-temperature-resistant protective layer through the high-temperature-resistant pressure-sensitive adhesive layer to obtain the high-temperature-resistant label with multiple anti-counterfeiting functions.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention combines a plurality of anti-counterfeiting technologies together to achieve excellent anti-counterfeiting effect, is difficult to be completely cracked, and can effectively solve the problems of anti-counterfeiting and anti-channel conflict of products.
2. The high-temperature-resistant label with multiple anti-counterfeiting functions has the characteristic of lasting high temperature resistance, the anti-counterfeiting characteristics and the identifiable function of the high-temperature-resistant label can still be stable in a high-temperature environment, and the high-temperature-resistant label can be applied to various high-temperature fields.
Drawings
Fig. 1 is a schematic structural diagram of a cross section of a high-temperature-resistant label with multiple anti-counterfeiting functions according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second anti-counterfeit code layer of the high-temperature resistant label with multiple anti-counterfeit functions according to an embodiment of the present invention;
the reference signs are: 1. a second high temperature resistant protective layer; 2. a second anti-counterfeiting layer; 21. a variable data code region; 22. a fluorescent anti-counterfeiting area 23 and a random texture area; 3. a high temperature resistant facestock layer; 4. a high temperature resistant pressure sensitive adhesive layer; 5. a first high temperature resistant protective layer; 6. a first anti-counterfeiting layer; 7. a high temperature label substrate; 71. a resin base material layer; 72. ceramic fiber paper; 73. an organic silicon pressure sensitive adhesive layer.
Detailed Description
The present invention is described more fully below in order to enable those skilled in the art to better understand the solution of the present invention.
A high-temperature-resistant label with multiple anti-counterfeiting functions comprises a high-temperature label substrate 7, a first anti-counterfeiting layer 6, a first high-temperature-resistant protective layer 5, a high-temperature-resistant pressure-sensitive adhesive layer 4, a high-temperature-resistant face material layer 3, a second anti-counterfeiting code layer and a second high-temperature-resistant protective layer 1 which are sequentially arranged from bottom to top; the first anti-counterfeiting layer 6 comprises an invisible anti-channel conflict code, and the second anti-counterfeiting layer 2 comprises a variable data code area 21 and a fluorescent anti-counterfeiting area 22.
Preferably, the high-temperature label substrate 7 comprises ceramic fiber paper 72 and a resin matrix layer 71 from bottom to top, wherein the resin matrix layer 71 comprises 80% -85% of epoxy modified organic silicon resin and 15% -20% of phenyl propyl silsesquioxane; the thickness of the ceramic fiber paper 72 is not more than 0.5 mm. According to the invention, the ceramic fiber paper 72 is used as a bearing layer, the ceramic fiber paper 72 is an inorganic material, can resist high temperature of more than 1000 ℃, can be applied to various high temperature scenes, and the resin matrix layer material is used as a printing layer for receiving ink and presenting pictures and texts, so that the high temperature resistant label substrate 7 can be obtained. The silicone pressure sensitive adhesive layer 73 may be coated on the bottom surface of the ceramic fiber paper 72 according to the sticking requirement, and may be silicone pressure sensitive adhesive manufactured by dow corporation or shin-Etsu chemical industry Co.
Preferably, the variable data code area 21 is provided with a variable data code containing commodity information; the variable data code is correlated with the information on the invisible anti-channel conflict code; the fluorescent anti-counterfeiting area 22 is provided with fluorescent anti-counterfeiting contents; the invisible anti-channel conflict code is obtained by adopting high-temperature-resistant invisible carbon ribbon transfer printing, the variable data code is obtained by adopting high-temperature-resistant color developing carbon ribbon transfer printing, and the fluorescent anti-counterfeiting content is obtained by adopting high-temperature-resistant fluorescent carbon ribbon transfer printing.
Preferably, the second anti-counterfeiting layer 2 further comprises a random texture area 23, the random texture area 23 is provided with random textures with independent algorithms, and the random textures are obtained by transfer printing of the high-temperature-resistant color developing carbon tape. And printing other contents by adopting a high-temperature resistant color developing carbon tape according to the requirement.
The variable data code is a bar code or a two-dimensional code, the fluorescent anti-counterfeiting content can be one of a fluorescent anti-counterfeiting pattern, characters, a flow code and a two-dimensional code, preferably the flow code corresponding to or not corresponding to the variable data code, the random texture can be collected by a camera, and is uploaded to a designated cloud server to be stored corresponding to the variable data code, the invisible anti-fleeing code and the flow code, when a customer needs to inquire the authenticity of the label, the variable data code can be scanned through a software system in a networking mode to inquire product information, the corresponding unique random texture picture stored in the cloud server is stored, the fluorescent anti-counterfeiting content can be detected by a fluorescent detection device to perform tracing management, when the variable data code is damaged, the high-temperature-resistant face material layer 3 can be uncovered, the invisible anti-fleeing code can be identified by the identification device, and the product can be traced to the source.
The high-temperature-resistant invisible carbon ribbon comprises a first back coating, a first base film, a first release layer and an invisible ink layer which are sequentially arranged, wherein the invisible ink layer comprises 85% -90% of first connecting resin and 10% -15% of invisible spectrum material; the invisible spectrum material comprises 90-95% of infrared up-conversion fluorescent powder and 5-10% of nano zirconium dioxide powder. The heat resistance can be improved by adding more than 5% of nano zirconium dioxide powder into the infrared conversion fluorescent powder, but when the addition amount of the nano zirconium dioxide powder is more than 10%, the transparency of the ink layer after curing is affected. Wherein the fluorescent material can be one of infrared up-conversion green fluorescent powder, infrared up-conversion blue-violet fluorescent powder and infrared up-conversion red fluorescent powder. The infrared up-conversion fluorescent powder only emits fluorescence under the irradiation of infrared rays with a specific peak value, so that the fluorescent up-conversion fluorescent powder only emits fluorescence under the irradiation of infrared special equipment with the specific peak value and cannot display under the irradiation of a common infrared instrument.
Preferably, the high-temperature-resistant color developing carbon tape comprises a second back coating, a second base film, a second release layer and a color developing ink layer which are sequentially arranged, wherein the color developing ink layer comprises 69-79 parts of second connecting resin, 20-30 parts of pigment and 1-2 parts of dispersing agent; the pigment comprises 79-85% of copper-chromium black, 15-20 parts of micro-nano zirconium silicide powder and 0.1-0.3% of expanded microspheres. The addition of the copper chromium black is 79-85%, the blackness of the ink layer after transfer printing can be guaranteed, the addition of the micro-nano zirconium silicide powder is 15-20%, the ink layer can be endowed with higher heat resistance, the expansion microspheres can expand after being heated, the variable data codes and random texture stereoscopic impression after transfer printing are endowed, and the anti-counterfeiting performance is further improved.
Preferably, the high-temperature-resistant fluorescent carbon ribbon comprises a third back coating, a third base film, a third release layer and a fluorescent ink layer which are sequentially arranged, wherein the fluorescent ink layer comprises 90% -97% of third connecting resin and 3% -10% of fluorescent materials; the fluorescent material comprises 88-90% of inorganic ultraviolet anti-counterfeiting fluorescent powder and 10-12% of alumina powder. The inorganic ultraviolet anti-counterfeiting fluorescent powder has higher heat resistance than the organic ultraviolet anti-counterfeiting fluorescent powder, and the transfer printing pattern obtained by the inorganic ultraviolet anti-counterfeiting fluorescent powder also has higher heat resistance.
Preferably, the first high temperature resistant protective layer 5 is an organic silicon coating, and the second high temperature resistant protective layer 1 is a coating formed by a high temperature resistant inorganic coating. The high-temperature resistant inorganic coating can be selected from ZS-322 of Beijing Zhi Sheng Weihua chemical Co., Ltd, is processed by a high-temperature resistant inorganic material compound, has excellent transparency, ultrahigh heat-resistant temperature and heat insulation property, can reach 2000 ℃, and has better adhesion with an ink layer.
Preferably, the first back coating layer, the second back coating layer and the third back coating layer are all coatings obtained by polyimide resin; the first connecting resin, the second connecting resin and the third connecting resin are one or more of TPU resin, polyamide resin, polyester resin, petroleum resin, EVA resin and polyester modified organic silicon resin, and the first release layer, the second release layer and the third release layer respectively comprise 95-98% of organic silicon modified acrylic resin and 2-5% of polytetrafluoroethylene wax.
Preferably, the first base film, the second base film and the third base film are all PET films, and the thickness of the PET films is preferably 4.5 μm.
Preferably, the high temperature-resistant pressure-sensitive adhesive layer 4 is an organic silicon pressure-sensitive adhesive layer 73 or other special high temperature-resistant pressure-sensitive adhesive layer 4. Further, silicone pressure-sensitive adhesives produced by Dow corporation or shin-Etsu chemical industry Co., Ltd, may be used.
The preparation method of the high-temperature-resistant label with the multiple anti-counterfeiting functions is characterized by comprising the following steps of:
s1, printing an invisible anti-channel conflict code on a high-temperature label substrate 7 through a high-temperature-resistant invisible carbon ribbon to form a first anti-counterfeiting layer 6, and coating a first high-temperature-resistant protective layer 5 on the first anti-counterfeiting layer 6;
s2, printing a variable data code on the surface of the high-temperature-resistant surface material layer 3 through a printer with the high-temperature-resistant color developing carbon ribbon to form a variable data code area 21, then forming random textures through software, printing the random textures on the surface of the high-temperature-resistant surface material layer 3 through the printer with the high-temperature-resistant color developing carbon ribbon to form a random texture area 23, and then printing fluorescent anti-counterfeiting contents on the surface of the high-temperature-resistant surface material layer 3 through the printer with the high-temperature-resistant fluorescent carbon ribbon to form a fluorescent anti-counterfeiting area 22 to form a second anti-counterfeiting layer 2;
s3, coating a second high-temperature-resistant protective layer 1 on the surface of the second anti-counterfeiting layer 2, then coating a high-temperature-resistant pressure-sensitive adhesive layer 4 on the bottom surface of the high-temperature-resistant surface material layer 3, and then covering the high-temperature-resistant surface material layer 3 on the surface of the first high-temperature-resistant protective layer 5 through the high-temperature-resistant pressure-sensitive adhesive layer 4 to obtain the high-temperature-resistant label with multiple anti-counterfeiting functions.
The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto. Reagents, methods and apparatus used in the present invention are conventional in the art unless otherwise indicated. In the present specification, "part" and "%" represent "part by mass" and "% by mass", respectively, unless otherwise specified.
The raw material models and manufacturer information selected in the embodiment of the invention are as follows:
polyester resin: model 240, Toyo Boseki, Japan
High-temperature resistant inorganic coating: model ZS-322, Beijing Zhishengweiwa chemical Co., Ltd
Organosilicon modified acrylic resin: new Sihai Material Ltd of Hubei Longsheng, model SH-024
Polytetrafluoroethylene modified wax: type 9610F, Kelaien
Infrared up-conversion phosphor: one of infrared up-conversion green phosphor, infrared up-conversion blue-violet phosphor and infrared up-conversion red phosphor, Beijing limited anti-counterfeiting technology development company
Phenyl propyl silsesquioxane: RSN6018, Dow Corning
Polyester-modified silicone resin: KR5235, Beacon
Epoxy modified silicone resin: hubei Longsheng Sihai New materials Co Ltd
Expanded microspheres: WS606 microspheres
Dispersing agent: EFKA 4010, BASF
Organic silicon pressure-sensitive adhesive: DODOWSIL TM 288, dow chemical; or DOWSIL TM 7666 Dow chemistry.
Example 1
A preparation method of a high-temperature-resistant label with multiple anti-counterfeiting functions comprises the following steps:
s1, printing an invisible anti-channel conflict code on a high-temperature label substrate 7 through a printer provided with a high-temperature-resistant invisible thermal transfer ribbon to form a first anti-counterfeiting layer 6, coating phenyl silicone oil on the first anti-counterfeiting layer 6, and drying to form a first high-temperature-resistant protective layer 5;
s2, taking a polyimide film with the thickness of 50 microns as a high-temperature-resistant surface material layer 3, printing a variable data code on the surface of the high-temperature-resistant surface material layer 3 through a printer with the high-temperature-resistant color developing carbon ribbon to form a variable data code area 21, then forming random textures through software, printing the random textures on the surface of the high-temperature-resistant surface material layer 3 through the printer with the high-temperature-resistant color developing carbon ribbon to form a random texture area 23, and printing fluorescent anti-counterfeiting contents on the surface of the high-temperature-resistant surface material layer 3 through the printer with the high-temperature-resistant fluorescent carbon ribbon to form a fluorescent anti-counterfeiting area 22 to form a second anti-counterfeiting layer 2;
s3, coating the surface of the second anti-counterfeiting layer 2 with high resistanceDrying the inorganic coating to form a second high-temperature-resistant protective layer 1, and coating a layer of organic silicon pressure-sensitive adhesive DOWSIL on the bottom surface of the high-temperature-resistant surface material layer 3 TM 7666, forming a high temperature resistant pressure sensitive adhesive layer 4 after curing, and covering a high temperature resistant surface material layer 3 on the surface of the first high temperature resistant protective layer 5 through the high temperature resistant pressure sensitive adhesive layer 4 to obtain the high temperature resistant label with multiple anti-counterfeiting functions.
The preparation method of the high-temperature label substrate 7 is as follows:
dissolving 80 parts of epoxy modified organic silicon resin and 20 parts of phenyl propyl silsesquioxane in toluene to form a resin solution, coating the resin solution on the surface of the ceramic fiber paper 72, and drying to form a resin matrix layer 71; coating organic silicon pressure sensitive adhesive DOWSIL on the bottom surface of the ceramic fiber paper 72 TM 288 to form the organic silicon pressure sensitive adhesive layer 73, thus obtaining the high-temperature label substrate 7.
The high-temperature-resistant invisible carbon ribbon comprises a first back coating, a PET (polyethylene terephthalate) film, a first release layer and an invisible ink layer which are sequentially arranged, wherein the invisible ink layer comprises 80 parts of polyester resin, 5 parts of polyester modified organic silicon resin, 13.5 parts of infrared up-conversion fluorescent powder and 1.5 parts of nano zirconium dioxide powder.
The high-temperature-resistant color developing carbon ribbon comprises a second back coating, a PET film, a second release layer and an ink layer which are sequentially arranged, wherein the ink layer comprises 64 parts of polyester resin, 5 parts of polyester modified organic silicon resin, 24 parts of copper-chromium black, 6 parts of micro-nano zirconium silicide powder, 0.1 part of expansion microspheres and 1 part of dispersing agent.
The high-temperature-resistant fluorescent carbon ribbon comprises a third back coating, a PET (polyethylene terephthalate) film, a third release layer and a fluorescent ink layer which are sequentially arranged, wherein the fluorescent ink layer comprises 85 parts of polyester resin, 5 parts of polyester modified organic silicon resin, 9 parts of inorganic ultraviolet anti-counterfeiting fluorescent powder and 1 part of alumina powder.
The first back coating, the second back coating and the third back coating are all coatings obtained from polyimide resin.
The first release layer, the second release layer and the third release layer respectively comprise 95 parts of organic silicon modified acrylic resin and 5 parts of polytetrafluoroethylene wax.
The high-temperature-resistant invisible carbon ribbon, the high-temperature-resistant color developing carbon ribbon and the high-temperature-resistant fluorescent carbon ribbon are all prepared by adopting a method for preparing a common carbon ribbon, and the method for preparing the common carbon ribbon is the prior art and is not described herein again.
Example 2
A preparation method of a high-temperature-resistant label with multiple anti-counterfeiting functions comprises the following steps:
s1, printing an invisible anti-channel conflict code on a high-temperature label substrate 7 through a printer provided with a high-temperature-resistant invisible thermal transfer ribbon to form a first anti-counterfeiting layer 6, coating phenyl silicone oil on the first anti-counterfeiting layer 6, and drying to form a first high-temperature-resistant protective layer 5;
s2, taking a polyimide film with the thickness of 50 microns as a high-temperature-resistant surface material layer 3, printing a variable data code on the surface of the high-temperature-resistant surface material layer 3 through a printer with the high-temperature-resistant color developing carbon ribbon to form a variable data code area 21, then forming random textures through software, printing the random textures on the surface of the high-temperature-resistant surface material layer 3 through the printer with the high-temperature-resistant color developing carbon ribbon to form a random texture area 23, and then printing fluorescent anti-counterfeiting contents on the surface of the high-temperature-resistant surface material layer 3 through the printer with the high-temperature-resistant fluorescent carbon ribbon to form a fluorescent anti-counterfeiting area 22 to form a second anti-counterfeiting layer 2;
s3, coating a high-temperature-resistant inorganic coating on the surface of the second anti-counterfeiting layer 2, drying to form a second high-temperature-resistant protective layer 1, and coating a layer of organosilicon pressure-sensitive adhesive DOWSIL on the bottom surface of the high-temperature-resistant surface material layer 3 TM 7666, forming a high temperature resistant pressure sensitive adhesive layer 4 after curing, and covering a high temperature resistant surface material layer 3 on the surface of the first high temperature resistant protective layer 5 through the high temperature resistant pressure sensitive adhesive layer 4 to obtain the high temperature resistant label with multiple anti-counterfeiting functions.
The preparation method of the high-temperature label substrate 7 is as follows:
dissolving 85 parts of epoxy modified organic silicon resin and 15 parts of phenyl propyl silsesquioxane in toluene to form a resin solution, coating the resin solution on the surface of the ceramic fiber paper 72, and drying to form a resin matrix layer 71; coating organic silicon pressure sensitive adhesive DOWSIL on the bottom surface of the ceramic fiber paper 72 TM 288, forming an organic silicon pressure-sensitive adhesive layer 73 to obtain the high-temperature labelA substrate 7.
The high-temperature-resistant invisible carbon ribbon comprises a first back coating, a PET (polyethylene terephthalate) film, a first release layer and an invisible ink layer which are sequentially arranged, wherein the invisible ink layer comprises 85 parts of polyester resin, 5 parts of polyester modified organic silicon resin, 9.5 parts of infrared up-conversion fluorescent powder and 0.5 part of nano zirconium dioxide powder.
The high-temperature-resistant color developing carbon ribbon comprises a second back coating, a PET film, a second release layer and a black ink layer which are sequentially arranged, wherein the ink layer comprises 74 parts of polyester resin, 5 parts of polyester modified organic silicon resin, 17 parts of copper-chromium black, 3 parts of micro-nano zirconium silicide powder, 0.3 part of expansion microspheres and 1 part of dispersing agent.
The high-temperature-resistant fluorescent carbon ribbon comprises a third back coating, a PET (polyethylene terephthalate) film, a third release layer and a fluorescent ink layer which are sequentially arranged, wherein the fluorescent ink layer comprises 90 parts of polyester resin, 5 parts of polyester modified organic silicon resin, 4.4 parts of inorganic ultraviolet anti-counterfeiting fluorescent powder and 0.6 part of alumina powder.
The first back coating, the second back coating and the third back coating are all coatings obtained from polyimide resin.
The first release layer, the second release layer and the third release layer respectively comprise 95 parts of organic silicon modified acrylic resin and 5 parts of polytetrafluoroethylene wax.
The high-temperature-resistant invisible carbon ribbon, the high-temperature-resistant color developing carbon ribbon and the high-temperature-resistant fluorescent carbon ribbon are all prepared by adopting a method for preparing a common carbon ribbon, and the method for preparing the common carbon ribbon is the prior art and is not described herein again.
Example 3
The high temperature resistant labels with multiple anti-counterfeiting functions obtained in examples 1 and 2 were evaluated for anti-counterfeiting effect, transfer effect, wear resistance, high temperature resistance, and the like, and the evaluation results are shown in table 1.
Transfer effect: the print of the invisible anti-channel conflict code is clear and visible under the irradiation of the special recognition instrument, the print of the variable data code and the random texture is clear and visible under visible light, and the print of the content of the fluorescent anti-counterfeiting content area is clear and visible under fluorescent detection equipment, namely the product is qualified.
High temperature resistance: putting the high-temperature-resistant label with the multiple anti-counterfeiting functions into a high-temperature oven, heating the high-temperature oven to 350 ℃, preserving heat for 12 hours, cooling to room temperature after heat preservation is finished, and evaluating transfer printing according to the method; and (4) continuously placing the high-temperature-resistant steel tag label into a muffle furnace, heating to 800 ℃, preserving the temperature for 60s, cooling to room temperature after the heat preservation is finished, and evaluating the transfer effect according to the method.
TABLE 1
As can be seen from the table 1, the high-temperature resistant label with multiple anti-counterfeiting functions, which is prepared by the invention, has clear print, and the anti-counterfeiting characteristics and the recognizable function can still be kept stable in a high-temperature environment.
The above-described embodiments are preferred implementations of the present invention, and the present invention may be implemented in other ways without departing from the spirit of the present invention.
Claims (10)
1. A high-temperature-resistant label with multiple anti-counterfeiting functions is characterized by comprising a high-temperature label substrate (7), a first anti-counterfeiting layer (6), a first high-temperature-resistant protective layer (5), a high-temperature-resistant pressure-sensitive adhesive layer (4), a high-temperature-resistant surface material layer (3), a second anti-counterfeiting layer (2) and a second high-temperature-resistant protective layer (1) which are sequentially arranged from bottom to top; the first anti-counterfeiting layer (6) comprises an invisible anti-channel conflict code, and the second anti-counterfeiting layer (2) comprises a variable data code area (21) and a fluorescent anti-counterfeiting area (22).
2. The high-temperature-resistant label with multiple anti-counterfeiting functions according to claim 1, characterized in that the high-temperature label substrate (7) comprises ceramic fiber paper (72) and a resin substrate layer (71) from bottom to top, wherein the resin substrate layer (71) comprises 80-85% of epoxy modified silicone resin and 15-20% of phenyl propyl silsesquioxane; the thickness of the ceramic fiber paper (72) is not more than 0.5 mm.
3. The high-temperature-resistant label with multiple anti-counterfeiting functions according to claim 2, characterized in that the variable data code area (21) is provided with a variable data code containing commodity information; the variable data code is correlated with the information on the invisible anti-channel conflict code; the fluorescent anti-counterfeiting area (22) is provided with fluorescent anti-counterfeiting content; the invisible anti-channel conflict code is obtained by adopting high-temperature-resistant invisible carbon ribbon transfer printing, the variable data code is obtained by adopting high-temperature-resistant color developing carbon ribbon transfer printing, and the fluorescent anti-counterfeiting content is obtained by adopting high-temperature-resistant fluorescent carbon ribbon transfer printing.
4. The high-temperature-resistant label with multiple anti-counterfeiting functions according to claim 3, wherein the high-temperature-resistant invisible carbon ribbon comprises a first back coating, a first base film, a first release layer and an invisible ink layer which are sequentially arranged, wherein the invisible ink layer comprises 85-90% of first connecting resin and 10-15% of invisible spectrum material; the invisible spectrum material comprises 90-95% of infrared up-conversion fluorescent powder and 5-10% of nano zirconium dioxide powder.
5. The high-temperature-resistant label with multiple anti-counterfeiting functions according to claim 4, wherein the high-temperature-resistant color developing carbon tape comprises a second back coating layer, a second base film, a second release layer and a color developing ink layer which are sequentially arranged, wherein the color developing ink layer comprises 69-79 parts of second connecting resin, 20-30 parts of pigment and 1-2 parts of dispersing agent; the pigment comprises 79-85% of copper-chromium black, 15-20 parts of micro-nano zirconium silicide powder and 0.1-0.3% of expanded microspheres.
6. The high-temperature-resistant label with the multiple anti-counterfeiting functions according to claim 5, wherein the high-temperature-resistant fluorescent carbon ribbon comprises a third back coating layer, a third base film, a third release layer and a fluorescent ink layer which are sequentially arranged, wherein the fluorescent ink layer comprises 90-97% of third connecting resin and 3-10% of fluorescent material; the fluorescent material comprises 88-90% of inorganic ultraviolet anti-counterfeiting fluorescent powder and 10-12% of alumina powder.
7. The high-temperature-resistant label with multiple anti-counterfeiting functions as claimed in claim 6, wherein the first high-temperature-resistant protective layer (5) is an organic silicon coating, the second high-temperature-resistant protective layer (1) is a coating formed by a high-temperature-resistant inorganic coating, and the high-temperature-resistant surface material layer (3) is a polyimide film.
8. The high-temperature-resistant label with multiple anti-counterfeiting functions according to claim 7, wherein the first back coating, the second back coating and the third back coating are coatings obtained from polyimide resin; the first connecting resin, the second connecting resin and the third connecting resin are one or more of TPU resin, polyamide resin, polyester resin, petroleum resin, epoxy resin, EVA resin and polyester modified organic silicon resin, and the first release layer, the second release layer and the third release layer respectively comprise 95-98% of organic silicon modified acrylic resin and 2-5% of polytetrafluoroethylene wax.
9. The high-temperature-resistant label with the multiple anti-counterfeiting functions according to claim 8, wherein the second anti-counterfeiting layer (2) further comprises a random texture area (23), the random texture area (23) is provided with random textures with independent algorithms, and the random textures are obtained by transfer printing of the high-temperature-resistant color developing carbon ribbon.
10. The preparation method of the high-temperature-resistant label with multiple anti-counterfeiting functions, which is characterized by comprising the following steps of:
s1, printing an invisible anti-channel conflict code on a high-temperature label substrate (7) through a high-temperature-resistant invisible carbon ribbon to form a first anti-counterfeiting layer (6), and coating a first high-temperature-resistant protective layer (5) on the first anti-counterfeiting layer (6);
s2, printing a variable data code on the surface of the high-temperature-resistant surface material layer (3) through a printer with the high-temperature-resistant color developing carbon ribbon to form a variable data code area (21), then forming random textures through software, printing the random textures on the surface of the high-temperature-resistant surface material layer (3) through the printer with the high-temperature-resistant color developing carbon ribbon to form a random texture area (23), and then printing fluorescent anti-counterfeiting contents on the surface of the high-temperature-resistant surface material layer (3) through the printer with the high-temperature-resistant fluorescent carbon ribbon to form a fluorescent anti-counterfeiting area (22) to form a second anti-counterfeiting layer (2);
s3, coating a second high-temperature-resistant protective layer (1) on the surface of the second anti-counterfeiting layer (2), then coating a high-temperature-resistant pressure-sensitive adhesive layer (4) on the bottom surface of the high-temperature-resistant surface material layer (3), and covering the high-temperature-resistant surface material layer (3) on the surface of the first high-temperature-resistant protective layer (5) through the high-temperature-resistant pressure-sensitive adhesive layer (4) to obtain the high-temperature-resistant label with multiple anti-counterfeiting functions.
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