CN112170145A - Aluminum-based anti-counterfeiting release film - Google Patents

Aluminum-based anti-counterfeiting release film Download PDF

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Publication number
CN112170145A
CN112170145A CN202011170471.9A CN202011170471A CN112170145A CN 112170145 A CN112170145 A CN 112170145A CN 202011170471 A CN202011170471 A CN 202011170471A CN 112170145 A CN112170145 A CN 112170145A
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layer
counterfeiting
weight
aluminum
parts
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CN112170145B (en
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吴伟斌
胡敏超
申振雄
刘玫
陆婷
江欣冬
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Zhejiang Daoming New Material Co ltd
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Zhejiang Daoming New Material Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/02—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber
    • B05D7/04—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber to surfaces of films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/14—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by electrical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/56—Three layers or more
    • B05D7/58—No clear coat specified
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/10—Intaglio printing ; Gravure printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/26—Printing on other surfaces than ordinary paper
    • B41M1/30—Printing on other surfaces than ordinary paper on organic plastics, horn or similar materials
    • B41M1/305—Printing on other surfaces than ordinary paper on organic plastics, horn or similar materials using mechanical, physical or chemical means, e.g. corona discharge, etching or organic solvents, to improve ink retention
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/042—Coating with two or more layers, where at least one layer of a composition contains a polymer binder
    • 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
    • C09D11/02—Printing inks
    • C09D11/10—Printing inks based on artificial resins
    • C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
    • 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
    • C09D11/02—Printing inks
    • C09D11/10—Printing inks based on artificial resins
    • C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
    • C09D11/104—Polyesters
    • 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
    • C09D11/02—Printing inks
    • C09D11/10—Printing inks based on artificial resins
    • C09D11/106—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C09D11/107—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
    • 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
    • C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
    • C09D167/06—Unsaturated polyesters having carbon-to-carbon unsaturation
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J167/00—Adhesives based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Adhesives based on derivatives of such polymers
    • C09J167/06—Unsaturated polyesters having carbon-to-carbon unsaturation
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
    • C23C14/14—Metallic material, boron or silicon
    • C23C14/20—Metallic material, boron or silicon on organic substrates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2427/00—Characterised by the use of 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 a halogen; Derivatives of such polymers
    • C08J2427/02—Characterised by the use of 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2427/04—Characterised by the use of 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08J2427/06—Homopolymers or copolymers of vinyl chloride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2461/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
    • C08J2461/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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Abstract

The invention discloses an aluminum-based anti-counterfeiting release film which comprises a release layer, a supporting layer and a metal layer, wherein the lower surface of the supporting layer is connected with the upper surface of the release layer, the aluminum-based anti-counterfeiting release film also comprises an anti-counterfeiting layer, an adhesion layer and a metal protection layer, the supporting layer is made of PET (polyethylene terephthalate) with the transparency of more than 85%, the upper surface of the supporting layer is discontinuously attached to the lower surface of the anti-counterfeiting layer, the upper surface of the anti-counterfeiting layer is connected with the lower surface of the adhesion layer, the upper surface of the adhesion layer is connected with the lower surface of the metal layer, the upper surface of the metal layer is connected with the lower surface of the metal protection layer, the dry thickness of the anti-counterfeiting layer is 1-. The aluminum-based anti-counterfeiting release film prepared by the invention has large peeling force and high coverage degree, so that the anti-counterfeiting effect is better; when a customer needs the aluminum-based anti-counterfeiting sealing adhesive tape with different colors, the pigment with the corresponding color is only needed to be selected in the adhesion layer, the pigment is not needed to be added in the pressure-sensitive adhesive, and the yield of the aluminum-based anti-counterfeiting sealing adhesive tape is further ensured.

Description

Aluminum-based anti-counterfeiting release film
Technical Field
The invention relates to the technical field of release films, in particular to an aluminum-based anti-counterfeiting release film.
Background
In order to reduce the possibility that valuables are exchanged in the transportation process or are privately unpacked without authorization, the security of the sealing box is ensured, and the anti-counterfeiting sealing adhesive tape is more and more favored by users. Traditional anti-fake joint sealing sticky tape is with general joint sealing sticky tape difference be with anti-fake type matrix information preset on anti-fake joint sealing sticky tape, and anti-fake type matrix information will stay on the joint sealing surface when anti-fake joint sealing sticky tape tears from the carton surface, and does not have any adhesive on label face after tearing and the face of bearing, plays anti-fake effect to show the joint sealing has the vestige of being opened, plays and stays trace and warning effect. The anti-counterfeiting sealing tape is undoubtedly a safety lock for sealing in the process of transportation, so that unscrupulous persons with malicious attempts can abandon the malicious attempts; however, the traditional anti-counterfeiting sealing adhesive tape has small peeling force, so that a base material with large peeling force cannot be used, otherwise, parts which do not need to be transferred can be transferred to the sealing box; meanwhile, pigment is added into the pressure-sensitive adhesive in the traditional anti-counterfeiting sealing adhesive tape, and when the anti-counterfeiting sealing adhesive tape is disassembled, the color of the pigment is remained on the sealing tape so as to achieve the anti-counterfeiting effect after being stripped. Therefore, there is an urgent need for improvement of the conventional anti-counterfeit sealing tape.
Disclosure of Invention
Aiming at the problems that the traditional anti-counterfeiting sealing adhesive tape in the prior art has small peeling force and can not use a base material with large peeling force, or the part which does not need to be transferred can be transferred to the sealing box; the traditional anti-counterfeiting sealing adhesive tape is added with pigment in pressure-sensitive adhesive, so that the defects of nonuniform glue coating, reduced yield and the like are easily caused, meanwhile, the covering degree of the adhesive tape is insufficient, and a novel aluminum-based anti-counterfeiting release film is provided.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the utility model provides an aluminium base is anti-fake from type membrane, includes from type layer, supporting layer, metal level, the lower surface of supporting layer with the upper surface of type layer be connected, still include anti-fake layer, adhesion layer, metal protection layer, the material of supporting layer be the PET that the transparency is greater than 85%, the upper surface of supporting layer with the lower surface of anti-fake layer be interrupted the adhesion and be connected, the upper surface of anti-fake layer with the lower surface of adhesion layer be connected, the upper surface of adhesion layer with the lower surface of metal level be connected, the upper surface of metal level with the lower surface of metal protection layer be connected, the dry thickness of anti-fake layer be 1 ~ 3 mu m, the metal level be aluminium base layer, the thickness of metal level be 30 ~ 140nm, its preparation method as follows:
(a) taking a layered material with the thickness of 25-100 microns, wherein the layered material is made of PET, and then carrying out corona treatment on the upper surface and the lower surface of the layered material to form a supporting layer with the corona value larger than 50 dynes;
(b) taking mixed resin with the solid content of 10-20%, the viscosity of 12-25 seconds and the glass transition temperature of 70-100 ℃, then printing the mixed resin on the surface of the supporting layer through an anti-counterfeiting concave plate, and drying after printing to form an anti-counterfeiting layer with the dry thickness of 1-3 mu m, wherein the drying temperature is 70-120 ℃ and the drying time is 10-15 s;
(c) taking a pigment and an adhesive resin with the solid content of 28-32%, the viscosity of 120-200 seconds and the glass transition temperature of 70-100 ℃ according to the weight ratio of 5-15: 85-95 to form an adhesive resin mixture, coating the adhesive resin mixture on the supporting layer and the anti-counterfeiting layer through a comma scraper, and drying to form a bonding layer with the dry thickness of 10-20 mu m after coating, wherein the drying temperature is 70-150 ℃ and the drying time is 5-10 min;
(d) placing the bonding layer in an environment with a vacuum degree of 125-150 Pa, and forming a metal layer with a thickness of 300-500 nm on the upper surface of the bonding layer through a plating device, wherein the metal layer is an aluminum base layer, and the winding speed and the conveying speed of the plating device are 100-150 m/min and 0.15-0.35 m/min respectively;
(e) taking a protective resin with the solid content of 28-32%, the viscosity of 120-200 seconds and the glass transition temperature of 70-100 ℃, then coating the protective resin on the surface of the metal layer through a micro-concave plate, and drying to form a metal protective layer after coating, wherein the drying temperature is 70-150 ℃, and the drying time is 3-5 min;
(f) taking 100 parts by weight of a release agent, 0.01-0.05 part by weight of a catalyst and 3-5 parts by weight of a curing agent, compounding to form a release mixture, coating the release mixture on the lower surface of the supporting layer through a micro-concave coating device, drying through an oven to form a release layer, wherein the drying temperature is 80-150 ℃, the drying time is 10-20 s, and finally cooling to finally obtain the aluminum-based anti-counterfeiting release film.
The aluminum-based anti-counterfeiting release film prepared by the method has large peeling force; after the aluminum-based anti-counterfeiting release film is stripped, the character anti-counterfeiting edges and the cut edges left on the sealing box are clear, and no viscous substance is left on the anti-counterfeiting layer, so that dust is not adhered, and the anti-counterfeiting effect is better. Because the metal layer is the aluminum-based layer, the aluminum-based anti-counterfeiting release film manufactured by the method has more attractive appearance metallic effect.
The adhesive tape manufactured by using the aluminum-based anti-counterfeiting release film as a raw material has high coverage. Meanwhile, when the aluminum-based anti-counterfeiting sealing adhesive tape is used, the pressure-sensitive adhesive is coated on the aluminum-based anti-counterfeiting release film to prepare the aluminum-based anti-counterfeiting sealing adhesive tape, when a customer needs the aluminum-based anti-counterfeiting sealing adhesive tape with different colors, the pigment with the corresponding color is selected in the bonding layer, the pigment is not required to be added in the pressure-sensitive adhesive, the pressure-sensitive adhesive is uniformly coated on the aluminum-based anti-counterfeiting release film, the appearance of the aluminum-based anti-counterfeiting release film has more visual aesthetic feeling, and the yield of the aluminum-based anti-counterfeiting sealing adhesive tape.
The support layer can play a supporting role and provide powerful basic support for the subsequent steps, and PET is selected as the raw material of the support layer in the step (a), because PET plastic has good optical performance and weather resistance and good optical transparency, the support layer of the PET enables the invention to have better fatigue resistance, friction resistance and optical performance; the PET with the laminated structure can improve the corona performance of the PET, so that the supporting layer can reach a preset corona value, and the corona performance of the invention is ensured.
In the step (b), the anti-counterfeiting layer is made of the mixed resin with the solid content of 10-20%, the viscosity of 12-25 seconds and the glass transition temperature of 70-100 ℃ as the raw material of the anti-counterfeiting layer, so that the anti-counterfeiting effect of the anti-counterfeiting layer is better; the manufacturing process of printing the mixed resin on the supporting layer through the anti-counterfeiting concave plate and forming the anti-counterfeiting layer through drying treatment has the advantages of simple operation and high efficiency; the peeling force of the aluminum-based anti-counterfeiting release film is large, and when the aluminum-based anti-counterfeiting release film is separated from the sealing box, the part which does not need to be transferred cannot be transferred to the sealing box; when the drying temperature and the drying time are respectively selected to be 70-120 ℃ and 10-15 s, the drying efficiency can be improved, and the performance of the anti-counterfeiting layer cannot be damaged.
In the step (c), the adhesive resin with the solid content of 28-32%, the viscosity of 120-200 seconds and the glass transition temperature of 70-100 ℃ is selected as the raw material of the adhesive layer, so that the adhesive force between the adhesive layer and the anti-counterfeiting layer and the adhesive force between the adhesive layer and the metal layer can be improved; wherein the drying temperature and the drying time are respectively selected to be 70-150 ℃ and 5-10 min, the drying efficiency can be improved, and the adhesive property of the adhesive layer can not be damaged.
In the step (d), the aluminum base layer is plated on the upper surface of the bonding layer in the environment with the vacuum degree of 125-150 Pa, so that a metal layer with the thickness of 300-500 nm can be conveniently obtained, and the aluminum base layer is high in forming speed and good in adhesive force. When the coiling speed of the coating equipment is 100-150 m/min and the conveying speed is 0.15-0.35 m/min, the film to be treated and the treated film can be conveniently and timely coiled, and the working efficiency is improved.
In the step (e), the protective resin with the solid content of 28-32%, the viscosity of 120-200 seconds and the glass transition temperature of 70-100 ℃ is selected as the raw material of the metal protective layer, so that the metal layer can be better isolated from being contacted with the outside air and moisture, the metal layer is prevented from being oxidized and corroded, and the service life of the metal protective layer is ensured and prolonged properly. Wherein the drying temperature and the drying time are respectively selected to be 70-150 ℃ and 3-5 min, so that the drying efficiency can be improved, and the protective performance of the metal protective layer can not be damaged.
The release agent, the catalyst and the curing agent are compounded according to the proportion in the step (f) to form the release mixture, and the release mixture is used as the base material of the release layer, so that the processing time can be saved, and the release layer is high in tensile strength, smooth and clean in surface and good in stripping performance.
Preferably, in the aluminum-based anti-counterfeiting release film, the mixed resin in the step (b) is prepared by compounding 40-60 parts by weight of acrylic resin, 10-15 parts by weight of polyurethane resin and 20-25 parts by weight of polyester resin.
The anti-counterfeiting layer adopts mixed resin compounded by acrylic resin, polyurethane resin and polyester resin according to the proportion as a base material, so that the problem of false adhesion between the anti-counterfeiting layer and the supporting layer can be effectively solved; meanwhile, the brittleness of the anti-counterfeiting layer can be improved, so that the final aluminum-based anti-counterfeiting release film has a better anti-counterfeiting effect; and when the anti-counterfeiting layer on the aluminum-based anti-counterfeiting release film is left on the surface of the sealing box, the surface of the anti-counterfeiting layer has better scratch resistance.
Preferably, in the aluminum-based anti-counterfeiting release film, the adhesive resin in the step (c) is prepared by mixing and stirring 50-60 parts by weight of polyester modified acrylic resin a, 12-15 parts by weight of vinyl chloride-vinyl acetate-vinyl alcohol copolymer resin a, 10-12 parts by weight of methylamino resin a, 0.1-0.12 part by weight of tin catalyst a, 10-16 parts by weight of ethyl acetate a and 5-8 parts by weight of butyl acetate solution a.
The adhesive resin is formed by mixing and stirring polyester modified acrylic resin A, vinyl chloride-vinyl acetate-vinyl alcohol copolymer resin A, methyl amino resin A, tin catalyst A, ethyl acetate A and butyl acetate solution A according to the proportion, so that the aluminum-based anti-counterfeiting release film has better edge cutting performance on one hand, and stronger adhesive force among the adhesion layer, the anti-counterfeiting layer, the metal layer and the supporting layer on the other hand.
Preferably, the pigment is a transparent pigment of chlorine vinegar, and the pencil hardness of the surface of the adhesive layer is 0.5-1.5H.
The chlorine vinegar transparent pigment can meet the requirement of customers on the color diversity of the aluminum-based anti-counterfeiting release film, and the hardness and the gloss of the surface of the film layer left on the sealing box are better.
Preferably, in the aluminum-based anti-counterfeiting release film, the protective resin in the step (e) is prepared by mixing and stirring 50-60 parts by weight of polyester modified acrylic resin B, 15-20 parts by weight of vinyl chloride-vinyl acetate-vinyl alcohol copolymer resin B, 18-24 parts by weight of methylamino resin B, 0.1-0.12 part by weight of tin catalyst B, 30-35 parts by weight of ethyl acetate B and 15-17 parts by weight of butyl acetate solution B.
The metal protective layer adopts protective resin formed by mixing and stirring polyester modified acrylic resin B, vinyl chloride-vinyl acetate-vinyl alcohol copolymer resin B, methyl amino resin B, tin catalyst B, ethyl acetate B and butyl acetate solution B according to the proportion as a base material, so that the edge cutting performance of the aluminum-based anti-counterfeiting release film is better on one hand; on the other hand, the adhesive force between the metal protective layer and the metal layer can be enhanced, the scratch resistance of the invention is enhanced, and the invention is not easy to be adhered with the guide roller in other high-temperature processing.
Preferably, in the aluminum-based anti-counterfeiting release film, the catalyst in the step (f) is a platinum catalyst.
The platinum catalyst enables the curing agent and the parting agent to be crosslinked more fully and thoroughly, so that the efficiency is improved, and the high-strength high.
Preferably, in the aluminum-based anti-counterfeiting release film, the curing agent in the step (f) is an isocyanate curing agent.
The isocyanate is used as the curing agent, so that the reaction between the hydroxyl group in the release agent and the isocyanic acid radical in the isocyanate curing agent is more violent, and the adhesive force between the release layer and the supporting layer is better.
Preferably, in the aluminum-based anti-counterfeiting release film, the release mixture in the step (f) further comprises 0.2-0.4 parts by weight of 120# gasoline.
The 120# gasoline can be directly purchased from the market, the cost of the invention is reduced, and the release performance of the release layer added with the 120# gasoline is more stable.
Preferably, the aluminum-based anti-counterfeiting release film is provided with a pattern on the anti-counterfeiting layer.
The pattern arranged on the anti-counterfeiting layer enables the visual effect of the anti-counterfeiting performance of the aluminum-based anti-counterfeiting release film to be more diversified and visual, namely the anti-counterfeiting effect of the invention is better.
Preferably, the thickness of the metal layer of the aluminum-based anti-counterfeiting release film is 80-120 nm.
The metal layer with the thickness of 80-120 nm is adopted, so that the edge cutting performance and the light transmittance are better, and the cost of the metal layer can be reduced.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The invention will be described in further detail below with reference to the accompanying figure 1 and the detailed description, but they are not intended to limit the invention:
example 1
The utility model provides an aluminium base is anti-fake from type membrane, includes from type layer 1, supporting layer 2, metal level 5, the lower surface of supporting layer 2 with from type layer 1's upper surface connection, still include anti-fake layer 3, adhesion layer 4, metal protection layer 6, the material of supporting layer 2 be the PET that the transparency is greater than 85%, the upper surface of supporting layer 2 with anti-fake layer 3's lower surface be interrupted to adhere to and be connected, anti-fake layer 3's upper surface with adhesion layer 4's lower surface be connected, adhesion layer 4's upper surface with metal level 5's lower surface be connected, metal level 5's upper surface with metal protection layer 6's lower surface be connected, anti-fake layer 3's dry thickness be 1 mu m, metal level 5 be aluminium base layer, metal level 5's thickness be 30nm, its preparation method as follows:
(a) taking a layered material with the thickness of 25 mu m, wherein the layered material is made of PET, and then carrying out corona treatment on the upper surface and the lower surface of the layered material to form a supporting layer 2 with the corona value of more than 50 dynes;
(b) taking mixed resin with solid content of 10%, viscosity of 12 seconds and glass transition temperature of 70 ℃, then printing the mixed resin on the surface of the supporting layer 2 through an anti-counterfeiting concave plate, and drying after printing to form an anti-counterfeiting layer 3 with dry thickness of 1 mu m, wherein the drying temperature is 70 ℃ and the drying time is 10 s;
(c) taking a pigment and adhesive resin with the solid content of 28%, the viscosity of 120 seconds and the glass transition temperature of 70 ℃ according to the weight ratio of 5: 95 to form an adhesive resin mixture, coating the adhesive resin mixture on the supporting layer 2 and the anti-counterfeiting layer 3 by a comma scraper, and drying to form a bonding layer 4 with a dry thickness of 10 micrometers after coating, wherein the drying temperature is 70 ℃ and the drying time is 5 min;
(d) placing the adhesion layer 4 in an environment with a vacuum degree of 125Pa, and forming a metal layer 5 with a thickness of 300nm on the upper surface of the adhesion layer 4 through a plating device, wherein the metal layer 5 is an aluminum base layer, and the winding speed of the plating device is 100m/min, and the conveying speed is 0.15 m/min;
(e) taking protective resin with the solid content of 28%, the viscosity of 120 seconds and the glass transition temperature of 70 ℃, then coating the protective resin on the surface of the metal layer 5 through a micro-concave plate, and drying to form a metal protective layer 6 after the coating is finished, wherein the drying temperature is 70 ℃ and the drying time is 3 min;
(f) taking 100 parts by weight of a release agent, 0.01 part by weight of a catalyst and 3 parts by weight of a curing agent to compound to form a release mixture, coating the release mixture on the lower surface of the supporting layer 2 through a dimple coating device, drying the release mixture through an oven to form a release layer 1, wherein the drying temperature is 80 ℃ and the drying time is 10s, and finally cooling to finally obtain the aluminum-based anti-counterfeiting release film.
Preferably, the mixed resin in step b is prepared by compounding 40 parts by weight of acrylic resin, 10 parts by weight of polyurethane resin and 20 parts by weight of polyester resin.
Preferably, the adhesive resin in step c is prepared by mixing and stirring 50 parts by weight of the polyester-modified acrylic resin a, 12 parts by weight of the vinyl chloride-vinyl acetate-vinyl alcohol copolymer resin a, 10 parts by weight of the methylamino resin a, 0.1 part by weight of the tin catalyst a, 10 parts by weight of the ethyl acetate a, and 5 parts by weight of the butyl acetate solution a.
Preferably, the pigment is a chlorine-vinegar transparent pigment, and the surface pencil hardness of the adhesive layer 4 is 0.5H.
Preferably, the protective resin in step e is prepared by mixing and stirring 50 parts by weight of a polyester-modified acrylic resin B, 15 parts by weight of a vinyl chloride-vinyl acetate-vinyl alcohol copolymer resin B, 18 parts by weight of a methylamino resin B, 0.1 part by weight of a tin catalyst B, 30 parts by weight of ethyl acetate B, and 15 parts by weight of a butyl acetate solution B.
Preferably, the catalyst in step f is a platinum catalyst.
Preferably, the curing agent in step f is an isocyanate curing agent.
Preferably, the release mixture in step f further comprises 0.2 weight part of 120# gasoline.
Preferably, the anti-counterfeiting layer 3 is provided with a pattern.
Preferably, the thickness of the metal layer 5 is 80 nm.
Example 2
The utility model provides an aluminium base is anti-fake from type membrane, includes from type layer 1, supporting layer 2, metal level 5, the lower surface of supporting layer 2 with from type layer 1's upper surface connection, still include anti-fake layer 3, adhesion layer 4, metal protection layer 6, the material of supporting layer 2 be the PET that the transparency is greater than 85%, the upper surface of supporting layer 2 with anti-fake layer 3's lower surface be interrupted to adhere to and be connected, anti-fake layer 3's upper surface with adhesion layer 4's lower surface be connected, adhesion layer 4's upper surface with metal level 5's lower surface be connected, metal level 5's upper surface with metal protection layer 6's lower surface be connected, anti-fake layer 3's dry thickness be 2 mu m, metal level 5 be aluminium base layer, metal level 5's thickness be 90nm, its preparation method as follows:
(a) taking a laminar material with the thickness of 60 mu m, wherein the laminar material is made of PET, and then carrying out corona treatment on the upper surface and the lower surface of the laminar material to form a supporting layer 2 with the corona value of more than 50 dynes;
(b) taking mixed resin with the solid content of 15%, the viscosity of 18 seconds and the glass transition temperature of 86 ℃, then printing the mixed resin on the surface of the supporting layer 2 through an anti-counterfeiting concave plate, and drying after printing to form an anti-counterfeiting layer 3 with the dry thickness of 2 microns, wherein the drying temperature is 95 ℃ and the drying time is 12.5 seconds;
(c) taking a pigment and adhesive resin with the solid content of 30%, the viscosity of 160 seconds and the glass transition temperature of 80 ℃ according to the weight ratio of 10: 90 to form an adhesive resin mixture, coating the adhesive resin mixture on the supporting layer 2 and the anti-counterfeiting layer 3 by a comma scraper, and drying to form an adhesive layer 4 with a dry thickness of 15 mu m, wherein the drying temperature is 110 ℃ and the drying time is 7.5 min;
(d) placing the adhesion layer 4 in an environment with a vacuum degree of 134Pa, and forming a metal layer 5 with a thickness of 400nm on the upper surface of the adhesion layer 4 through a plating device, wherein the metal layer 5 is an aluminum base layer, and the winding speed of the plating device is 125m/min, and the conveying speed is 0.25 m/min;
(e) taking protective resin with the solid content of 30%, the viscosity of 160 seconds and the glass transition temperature of 85 ℃, then coating the protective resin on the surface of the metal layer 5 through a micro-concave plate, and drying to form a metal protective layer 6 after coating, wherein the drying temperature is 110 ℃ and the drying time is 4 min;
(f) taking 100 parts by weight of a release agent, 0.03 part by weight of a catalyst and 4 parts by weight of a curing agent to compound to form a release mixture, coating the release mixture on the lower surface of the supporting layer 2 through a dimple coating device, drying the release mixture through an oven to form a release layer 1, wherein the drying temperature is 115 ℃ and the drying time is 15 seconds, and finally cooling to finally obtain the aluminum-based anti-counterfeiting release film.
Preferably, the mixed resin in step b is prepared by compounding 50 parts by weight of acrylic resin, 12.5 parts by weight of polyurethane resin and 22.5 parts by weight of polyester resin.
Preferably, the adhesive resin in step c is prepared by mixing and stirring 55 parts by weight of the polyester-modified acrylic resin a, 13.5 parts by weight of the vinyl chloride-vinyl acetate-vinyl alcohol copolymer resin a, 11 parts by weight of the methylamino resin a, 0.11 part by weight of the tin catalyst a, 13 parts by weight of the ethyl acetate a, and 6.5 parts by weight of the butyl acetate solution a.
Preferably, the pigment is a transparent pigment of chlorine vinegar, and the surface pencil hardness of the adhesive layer 4 is 1H.
Preferably, the protective resin in step e is prepared by mixing and stirring 55 parts by weight of a polyester-modified acrylic resin B, 17.5 parts by weight of a vinyl chloride-vinyl acetate-vinyl alcohol copolymer resin B, 21 parts by weight of a methylamino resin B, 0.11 part by weight of a tin catalyst B, 32.5 parts by weight of ethyl acetate B, and 16 parts by weight of a butyl acetate solution B.
Preferably, the catalyst in step f is a platinum catalyst.
Preferably, the curing agent in step f is an isocyanate curing agent.
Preferably, the release mixture in step f further comprises 0.3 weight part of 120# gasoline.
Preferably, the anti-counterfeiting layer 3 is provided with a pattern.
Preferably, the thickness of the metal layer 5 is 100 nm.
Example 3
The utility model provides an aluminium base is anti-fake from type membrane, includes from type layer 1, supporting layer 2, metal level 5, the lower surface of supporting layer 2 with from type layer 1's upper surface connection, still include anti-fake layer 3, adhesion layer 4, metal protection layer 6, the material of supporting layer 2 be the PET that the transparency is greater than 85%, the upper surface of supporting layer 2 with anti-fake layer 3's lower surface be interrupted to adhere to and be connected, anti-fake layer 3's upper surface with adhesion layer 4's lower surface be connected, adhesion layer 4's upper surface with metal level 5's lower surface be connected, metal level 5's upper surface with metal protection layer 6's lower surface be connected, anti-fake layer 3's dry thickness be 3 mu m, metal level 5 be aluminium base layer, metal level 5's thickness be 140nm, its preparation method as follows:
(a) taking a laminar material with the thickness of 100 mu m, wherein the laminar material is made of PET, and then carrying out corona treatment on the upper surface and the lower surface of the laminar material to form a supporting layer 2 with the corona value of more than 50 dynes;
(b) taking mixed resin with the solid content of 20 percent, the viscosity of 25 seconds and the glass transition temperature of 100 ℃, then printing the mixed resin on the surface of the supporting layer 2 through an anti-counterfeiting concave plate, and drying after printing to form an anti-counterfeiting layer 3 with the dry thickness of 3 mu m, wherein the drying temperature is 120 ℃ and the drying time is 15;
(c) taking a pigment and adhesive resin with the solid content of 32%, the viscosity of 200 seconds and the glass transition temperature of 100 ℃ according to the weight ratio of 15: 85 to form an adhesive resin mixture, coating the adhesive resin mixture on the supporting layer 2 and the anti-counterfeiting layer 3 by a comma scraper, and drying to form an adhesive layer 4 with a dry thickness of 20 micrometers after coating, wherein the drying temperature is 150 ℃ and the drying time is 10 min;
(d) placing the adhesion layer 4 in an environment with a vacuum degree of 150Pa, and forming a metal layer 5 with a thickness of 500nm on the upper surface of the adhesion layer 4 through a plating device, wherein the metal layer 5 is an aluminum base layer, and the winding speed of the plating device is 150m/min, and the conveying speed is 0.35 m/min;
(e) taking protective resin with the solid content of 32%, the viscosity of 200 seconds and the glass transition temperature of 100 ℃, then coating the protective resin on the surface of the metal layer 5 through a micro-concave plate, and drying to form a metal protective layer 6 after coating, wherein the drying temperature is 150 ℃ and the drying time is 5 min;
(f) taking 100 parts by weight of a release agent, 0.05 part by weight of a catalyst and 5 parts by weight of a curing agent to compound to form a release mixture, coating the release mixture on the lower surface of the supporting layer 2 through a dimple coating device, drying the release mixture through an oven to form a release layer 1, wherein the drying temperature is 150 ℃ and the drying time is 20 seconds, and finally cooling to finally obtain the aluminum-based anti-counterfeiting release film.
Preferably, the mixed resin in step b is prepared by compounding 60 parts by weight of acrylic resin, 15 parts by weight of polyurethane resin and 25 parts by weight of polyester resin.
Preferably, the adhesive resin in step c is prepared by mixing and stirring 60 parts by weight of polyester modified acrylic resin a, 15 parts by weight of vinyl chloride-vinyl acetate-vinyl alcohol copolymer resin a, 12 parts by weight of methylamino resin a, 0.12 part by weight of tin catalyst a, 16 parts by weight of ethyl acetate a, and 8 parts by weight of butyl acetate solution a.
Preferably, the pigment is a chlorine-vinegar transparent pigment, and the surface pencil hardness of the adhesive layer 4 is 1.5H.
Preferably, the protective resin in step e is prepared by mixing and stirring 60 parts by weight of a polyester-modified acrylic resin B, 20 parts by weight of a vinyl chloride-vinyl acetate-vinyl alcohol copolymer resin B, 24 parts by weight of a methyl amino resin B, 0.12 part by weight of a tin catalyst B, 35 parts by weight of ethyl acetate B, and 17 parts by weight of a butyl acetate solution B.
Preferably, the catalyst in step f is a platinum catalyst.
Preferably, the curing agent in step f is an isocyanate curing agent.
Preferably, the release mixture in step f further comprises 0.4 weight part of 120# gasoline.
Preferably, the anti-counterfeiting layer 3 is provided with a pattern.
Preferably, the thickness of the metal layer 5 is 120 nm.
Example 4
And taking the aluminum-based anti-counterfeiting release film obtained in each embodiment, and coating a pressure-sensitive adhesive on the aluminum-based anti-counterfeiting release film to obtain the aluminum-based anti-counterfeiting box sealing adhesive tape. Meanwhile, the 64007 anti-counterfeiting sealing adhesive tape produced by Desha tesa in comparative example 1, the Shenzhen seford in comparative example 2 and the Dongguan and Yue adhesive products in comparative example 3 are taken for carrying out a peeling test, a hiding degree test and an anti-counterfeiting content edge cutting performance test, wherein the test methods are as follows:
1. peeling test: carrying out a sample peeling force test and an anti-counterfeiting test according to the specification of a GB/T2792-1998 pressure-sensitive adhesive tape 180 peeling strength test method; the stripping force of the embodiment of the invention is superior to that of the comparative example, and meanwhile, the anti-counterfeiting layer adhesion phenomenon appears when the samples produced by Shenzhen seford, Dongguan city and Yue adhesive products are tested, and the anti-counterfeiting content is not clearly transferred.
2. And (3) testing the hiding degree: and respectively attaching the samples to a yellow cowhide box, and observing the bottom penetrating condition. Through tests, the penetration phenomenon does not appear in the examples 1, 2 and 3, and the penetration phenomenon in different degrees exists in the comparative examples 1, 2 and 3.
3. Testing the anti-counterfeiting content trimming performance: the samples of example 1, example 2, example 3, comparative example 1, comparative example 2 and comparative example 3 were respectively attached to yellow luggage under an environment of temperature of 23 ℃ ± 2 and humidity of 50% ± 3, and the above samples were respectively peeled off from the surface of the yellow cardboard box, and the edge cutting condition of the anti-counterfeit information was observed. Through tests, the edge cutting effects of the embodiment 1, the embodiment 2 and the embodiment 3 are better, the edge cutting is clear, and the edge cutting performance of the comparative example 1, the comparative example 2 and the comparative example 3 is inferior to that of the embodiment of the invention.
The performance parameters of the aluminum-based anti-counterfeiting release film and the comparative example obtained in each embodiment of the invention are shown in a table 1:
TABLE 1
Sample (I) Peel test Test of degree of coverage Edge trim test
Example 1 2.6KN/M Is excellent in Is excellent in
Example 2 3.2KN/M Is excellent in Is excellent in
Example 3 2.8KN/M Is excellent in Is excellent in
Comparative example 1 2.3KN/M In general In general
Comparative example 2 1.5KN/M Difference (D) In general
Comparative example 3 1.2KN/M In general Difference (D)
In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the present invention.

Claims (10)

1. The utility model provides an aluminium base is anti-fake from type membrane, includes from type layer (1), supporting layer (2), metal level (5), the lower surface of supporting layer (2) with from the upper surface connection of type layer (1), its characterized in that: the anti-counterfeiting coating is characterized by further comprising an anti-counterfeiting layer (3), an adhesion layer (4) and a metal protection layer (6), wherein the support layer (2) is made of PET (polyethylene terephthalate) with the transparency larger than 85%, the upper surface of the support layer (2) is discontinuously attached to the lower surface of the anti-counterfeiting layer (3), the upper surface of the anti-counterfeiting layer (3) is connected with the lower surface of the adhesion layer (4), the upper surface of the adhesion layer (4) is connected with the lower surface of the metal layer (5), the upper surface of the metal layer (5) is connected with the lower surface of the metal protection layer (6), the anti-counterfeiting layer (3) is 1-3 mu m in dry thickness, the metal layer (5) is an aluminum-based layer, and the metal layer (5) is 30-140 nm in thickness, and the preparation method comprises the following steps:
(a) taking a layered material with the thickness of 25-100 mu m, wherein the layered material is made of PET, and then carrying out corona treatment on the upper surface and the lower surface of the layered material to form a supporting layer (2) with the corona value larger than 50 dyne;
(b) taking mixed resin with the solid content of 10-20%, the viscosity of 12-25 seconds and the glass transition temperature of 70-100 ℃, then printing the mixed resin on the surface of the supporting layer (2) through an anti-counterfeiting concave plate, and drying after printing to form an anti-counterfeiting layer (3) with the dry thickness of 1-3 mu m, wherein the drying temperature is 70-120 ℃ and the drying time is 10-15 s;
(c) taking a pigment and an adhesive resin with the solid content of 28-32%, the viscosity of 120-200 seconds and the glass transition temperature of 70-100 ℃ according to the weight ratio of 5-15: 85-95 to form an adhesive resin mixture, coating the adhesive resin mixture on the supporting layer (2) and the anti-counterfeiting layer (3) through a comma scraper, and drying to form an adhesive layer (4) with the dry thickness of 10-20 microns after coating, wherein the drying temperature is 70-150 ℃ and the drying time is 5-10 min;
(d) placing the bonding layer (4) in an environment with a vacuum degree of 125 Pa-150 Pa, and forming a metal layer (5) with a thickness of 300-500 nm on the upper surface of the bonding layer (4) through a plating device, wherein the metal layer (5) is an aluminum base layer, and the winding speed of the plating device is 100-150 m/min, and the conveying speed is 0.15-0.35 m/min;
(e) taking a protective resin with the solid content of 28-32%, the viscosity of 120-200 seconds and the glass transition temperature of 70-100 ℃, then coating the protective resin on the surface of the metal layer (5) through a micro-concave plate, and drying to form a metal protective layer (6) after the coating is finished, wherein the drying temperature is 70-150 ℃, and the drying time is 3-5 min;
(f) taking 100 parts by weight of a release agent, 0.01-0.05 part by weight of a catalyst and 3-5 parts by weight of a curing agent to carry out compounding to form a release mixture, coating the release mixture on the lower surface of the supporting layer (2) through a micro-concave coating device, then carrying out drying treatment through an oven to form a release layer (1), wherein the drying temperature is 80-150 ℃, the drying time is 10-20 s, and finally cooling to finally obtain the aluminum-based anti-counterfeiting release film.
2. The aluminum-based anti-counterfeiting release film according to claim 1, characterized in that: the mixed resin in the step (b) is prepared by compounding 40-60 parts by weight of acrylic resin, 10-15 parts by weight of polyurethane resin and 20-25 parts by weight of polyester resin.
3. The aluminum-based anti-counterfeiting release film according to claim 1, characterized in that: the adhesive resin in the step (c) is prepared by mixing and stirring 50-60 parts by weight of polyester modified acrylic resin A, 12-15 parts by weight of vinyl chloride-vinyl acetate-vinyl alcohol copolymer resin A, 10-12 parts by weight of methylamino resin A, 0.1-0.12 part by weight of tin catalyst A, 10-16 parts by weight of ethyl acetate A and 5-8 parts by weight of butyl acetate solution A.
4. The aluminum-based anti-counterfeiting release film according to claim 1, characterized in that: the pigment is a chlorine-vinegar transparent pigment, and the surface pencil hardness of the adhesion layer (4) is 0.5-1.5H.
5. The aluminum-based anti-counterfeiting release film according to claim 1, characterized in that: the protective resin in the step (e) is prepared by mixing and stirring 50-60 parts by weight of polyester modified acrylic resin B, 15-20 parts by weight of vinyl chloride-vinyl acetate-vinyl alcohol copolymer resin B, 18-24 parts by weight of methylamino resin B, 0.1-0.12 part by weight of tin catalyst B, 30-35 parts by weight of ethyl acetate B and 15-17 parts by weight of butyl acetate solution B.
6. The aluminum-based anti-counterfeiting release film according to claim 1, characterized in that: the catalyst in the step (f) is a platinum catalyst.
7. The aluminum-based anti-counterfeiting release film according to claim 1, characterized in that: the curing agent in the step (f) is an isocyanate curing agent.
8. The aluminum-based anti-counterfeiting release film according to claim 1, characterized in that: the release mixture in the step (f) further comprises 0.2-0.4 part by weight of 120# gasoline.
9. The aluminum-based anti-counterfeiting release film according to claim 1, characterized in that: patterns are arranged on the anti-counterfeiting layer (3).
10. The aluminum-based anti-counterfeiting release film according to claim 1, characterized in that: the thickness of the metal layer (5) is 80-120 nm.
CN202011170471.9A 2020-10-28 2020-10-28 Aluminium base anti-fake release film Active CN112170145B (en)

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KR20110019514A (en) * 2009-08-20 2011-02-28 정원훈 Hologram pattern film, and the method for making it, and the decorative laminate by it
KR20120077586A (en) * 2010-12-30 2012-07-10 한국조폐공사 Hologram vapor-deposited film for preventing forgery
CN103246918A (en) * 2013-05-09 2013-08-14 杭州电子科技大学 Easy-tearing, anti-fake, and ultrahigh frequency paper-base RFID label and manufacturing method thereof
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