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CN111016375B - A multi-channel three-dimensional color glare laser anti-counterfeiting aluminum spray paper and preparation method thereof - Google Patents

A multi-channel three-dimensional color glare laser anti-counterfeiting aluminum spray paper and preparation method thereof Download PDF

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Publication number
CN111016375B
CN111016375B CN201911386202.3A CN201911386202A CN111016375B CN 111016375 B CN111016375 B CN 111016375B CN 201911386202 A CN201911386202 A CN 201911386202A CN 111016375 B CN111016375 B CN 111016375B
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China
Prior art keywords
layer
color
laser
holographic
coating
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CN111016375A (en
Inventor
陈洋
朱立纲
喻方清
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Anhui Zijiang Aluminum Spraying Environmental Protection Material Co ltd
Shanghai Zijiang Metallization Environmental Protection Material Co ltd
Original Assignee
Anhui Zijiang Aluminum Spraying Environmental Protection Material Co ltd
Shanghai Zijiang Metallization Environmental Protection Material Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/12—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1284—Application of adhesive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/16—Drying; Softening; Cleaning
    • B32B38/164—Drying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/06—Interconnection of layers permitting easy separation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • 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
    • 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
    • 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
    • C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/24—Vacuum evaporation
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/10—Packing paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/18—Paper- or board-based structures for surface covering
    • D21H27/22—Structures being applied on the surface by special manufacturing processes, e.g. in presses
    • D21H27/26—Structures being applied on the surface by special manufacturing processes, e.g. in presses characterised by the overlay sheet or the top layers of the structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/402—Coloured
    • B32B2307/404—Multi-coloured

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Ceramic Engineering (AREA)
  • Laminated Bodies (AREA)
  • Paper (AREA)
  • Holo Graphy (AREA)

Abstract

本发明涉及一种多通道立体彩色炫光镭射防伪喷铝纸及其制备方法，该喷铝纸包括从下到上依次复合的基纸层、第一胶黏层、金属镀铝层、135度通道全息镭射层、相反彩色模压涂层、第二胶黏层、硫化锌介质层、45度通道全息镭射层和彩色模压涂层。与现有技术相比，本发明在一个包装材料上同时具备了彩色炫光和多通道立体镭射以及防伪环保效果，使得包装材料能具备实用美观与防伪的多重功效，促进包装行业的发展与创新。

The present invention relates to a multi-channel three-dimensional color glare laser anti-counterfeiting aluminum-sprayed paper and a preparation method thereof, wherein the aluminum-sprayed paper comprises a base paper layer, a first adhesive layer, a metal aluminum-plated layer, a 135-degree channel holographic laser layer, a reverse color molded coating, a second adhesive layer, a zinc sulfide medium layer, a 45-degree channel holographic laser layer and a color molded coating, which are compounded in sequence from bottom to top. Compared with the prior art, the present invention has color glare and multi-channel three-dimensional laser as well as anti-counterfeiting and environmental protection effects on one packaging material, so that the packaging material can have multiple functions of practicality, beauty and anti-counterfeiting, and promote the development and innovation of the packaging industry.

Description

Multi-channel three-dimensional colorful glare laser anti-counterfeiting aluminum-sprayed paper and preparation method thereof
Technical Field
The invention belongs to the technical field of packaging materials, and relates to multi-channel three-dimensional colorful glare laser anti-counterfeiting aluminum spraying paper.
Background
The aluminum-sprayed transfer paper in recent years has metallic luster and various laser anti-counterfeiting effects, so that the aluminum-sprayed transfer paper is widely applied to various packages of cosmetics, tobacco, food and the like. However, with the continuous improvement of aesthetic quality of people, the laser effect of the common full plate or gold and silver card paper can not catch eyeballs of consumers, and meanwhile, the laser of the common full plate can not have anti-counterfeiting effect. Therefore, various enterprises hope that the package of the product can have novel appearance and quickly attract eyeballs of consumers, and the packaging material has the advantages of metal texture, strong anti-counterfeiting property and laser gorgeous effect, and can promote the food packaging material to further develop to a high-level and diversified direction. The present invention has been made in view of the above-described problems.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides multi-channel three-dimensional colorful glare laser anti-counterfeiting aluminum spraying paper and a preparation method thereof.
The aim of the invention can be achieved by the following technical scheme:
one of the technical schemes of the invention provides multi-channel three-dimensional colorful glare laser anti-counterfeiting aluminum spraying paper, which comprises a base paper layer, a first adhesive layer, a metal aluminized layer, a 135-degree channel holographic laser layer, an opposite color mold pressing coating, a second adhesive layer, a zinc sulfide medium layer, a 45-degree channel holographic laser layer and a color mold pressing coating which are sequentially compounded from bottom to top.
Further, the first adhesive layer is an aqueous transfer adhesive layer.
Further, the thickness of the metal aluminized layer is 380-480 angstroms.
Further, the second adhesive layer is a solvent-free adhesive layer.
Further, the thickness of the zinc sulfide dielectric layer meets the condition that the characterization transmittance is 64-66%.
Further, the reverse color embossed coating and the color embossed coating are of opposite colors. Preferably, the reverse color embossed coating and the color embossed coating are both acrylic coatings.
The metal aluminized layer and the zinc sulfide medium layer play a role of setting off a holographic laser anti-counterfeiting layer, so that the aluminized paper has metal flash and decoration effects, the 135-degree channel holographic laser layer and the 45-degree channel holographic laser layer can see different laser holographic anti-counterfeiting effects through two holographic laser channels with different angles through synergistic effect, different laser holographic patterns can be hidden at different angles at the same time, the anti-counterfeiting effect is achieved, the color molding coating and the opposite color molding coating play a role of non-monotonous color glare in a synergistic manner, and meanwhile, due to a certain distance between the upper coating and the lower coating, the multicolor glare effect can be achieved through diffraction of light.
The second technical scheme of the invention provides a preparation method of the multi-channel three-dimensional colorful glare laser anti-counterfeiting aluminum spraying paper, which comprises the following steps:
(1) A 45-degree channel holographic laser plate and a 135-degree channel holographic laser plate for a laser molding press are manufactured in advance;
(2) A base film is taken, a reverse color mould pressing coating layer is coated on the surface of the base film, and the base film is dried and solidified to form a holographic reverse color coating film;
(3) Performing laser holographic molding on the holographic opposite-color coating film on a laser molding press, and recording a 135-degree channel holographic laser layer on the opposite-color molding coating layer of the holographic opposite-color coating film to form a 135-degree channel color laser holographic film;
(4) Evaporating a metal aluminized layer on the surface of the 135-degree channel color laser holographic film by adopting a vacuum evaporation mode;
(5) Coating a first adhesive layer on the surface of the metal aluminized layer, and adhering the front surface of the base paper layer to the first adhesive layer to form aluminized composite color aluminized paper with 135-degree channel holographic laser anti-counterfeiting patterns;
(6) Stripping the base film layer on the aluminized composite color aluminized paper with the 135-degree channel holographic laser anti-counterfeiting pattern for recycling to obtain the aluminized composite color aluminized paper with the 135-degree channel holographic laser anti-counterfeiting pattern;
(7) Coating the surface of the stripped and recycled base film layer with a color molding coating layer again to obtain a holographic color coating film;
(8) Carrying out laser holographic molding on the holographic color coating film on a laser molding press, and recording a 45-degree channel holographic laser layer on the color molding coating layer to form a 45-degree channel color laser holographic film;
(9) Evaporating zinc sulfide on the surface of the 45-degree channel color laser holographic film by adopting a vacuum evaporation mode to obtain a zinc sulfide medium layer with a highlight laser holographic pattern;
(10) Coating a second adhesive layer on the surface of the zinc sulfide medium layer, and simultaneously attaching aluminum-plated composite color aluminum-spraying paper with a 135-degree channel holographic laser anti-counterfeiting pattern to form multi-channel three-dimensional color glare laser anti-counterfeiting aluminum-spraying composite paper;
(11) And (3) stripping the uppermost base film layer of the multi-channel stereoscopic colorful laser anti-counterfeiting aluminum spraying composite paper, and then winding a drum or a single Zhang Fenqie to obtain the multi-channel stereoscopic colorful laser anti-counterfeiting aluminum spraying paper.
Further, in the step (3), the molding temperature is 150-170 ℃, and the molding speed is 45-50 m/min.
Further, in the step (5), the first adhesive layer is made of water-based environment-friendly transfer adhesive, and is sized by an anilox roller, wherein the sizing amount is 4-6 g/m 2.
In the step (5), the multi-layer material of the composite base paper layer is dried in an oven at 80-120 ℃ and then is placed in a constant temperature and constant humidity room at 20-25 ℃ with the humidity of 40-55% HR for balanced curing for 8-12 hours, and then the aluminum-plated composite color aluminum-sprayed paper with the 135-degree channel holographic laser anti-counterfeiting pattern is obtained.
Further, in the step (8), the molding temperature is 150-160 ℃, and the molding speed is 35-40 m/min.
In the step (1), a laser holographic master plate of a hologram is manufactured on the same holographic plate by changing the width and the angle of interference fringes and adopting a local Jiao Dianhu walking bit photoetching mode, and two holographic laser plates are manufactured through 45-degree channels and 135-degree channels respectively. The laser plates manufactured by the 45-degree and 135-degree channels are manufactured by two angles respectively, and the laser plates are single angles, which is the prior known technology.
Compared with the prior art, the invention has the following advantages:
(1) The packaging material has the advantages that the color glare, the multi-channel stereoscopic laser and the anti-counterfeiting environment-friendly effect are simultaneously realized on one packaging material, so that the packaging material has multiple effects of practicality, attractive appearance and anti-counterfeiting, and the development and innovation of the packaging industry are promoted.
(2) The color die-pressing coating and the opposite color die-pressing coating are arranged, and the colors of pigments added into the two coatings are opposite colors, so that color dazzling light is displayed after die-pressing superposition, and the manufacturing mode is ingenious.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a state diagram of the second peeling of the base film layer in the process of preparing the aluminum-sprayed paper;
FIG. 3 is a state diagram of the first peeling of the base film layer in the process of preparing the aluminum-sprayed paper;
The figure indicates:
1 is a base paper layer, 2 is an aqueous transfer adhesive layer, 3 is a metal aluminized layer, 4 is a 135-degree channel holographic laser layer, 5 is an opposite color molding coating, 6 is a solvent-free adhesive layer, 7 is a zinc sulfide dielectric layer, 8 is a 45-degree channel holographic laser layer, 9 is a color molding coating, and 10 is a base film layer.
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples. The present embodiment is implemented on the premise of the technical scheme of the present invention, and a detailed implementation manner and a specific operation process are given, but the protection scope of the present invention is not limited to the following examples.
The invention provides multi-channel three-dimensional colorful glare laser anti-counterfeiting aluminum spraying paper, the structure of which is shown in fig. 1, which comprises a base paper layer 1, a first adhesive layer, a metal aluminized layer 3, a 135-degree channel holographic laser layer 4, an opposite color mold pressing coating 5, a second adhesive layer, a zinc sulfide medium layer 7, a 45-degree channel holographic laser layer 8 and a color mold pressing coating 9 which are sequentially compounded from bottom to top.
In one embodiment of the present invention, the first adhesive layer is an aqueous transfer adhesive layer 2.
In one embodiment of the present invention, the thickness of the metal aluminized layer 3 is 380 to 480 angstroms.
In a specific embodiment of the present invention, the second adhesive layer is a solvent-free adhesive layer 6.
In a specific embodiment of the invention, the thickness of the zinc sulfide dielectric layer 7 is satisfied that the characteristic transmittance is 64-66%.
In a specific embodiment of the invention, the reverse color embossed coating 5 and the color embossed coating 9 are of opposite colors. Preferably, the reverse color embossed coating 5 and the color embossed coating 9 are both acrylic coatings.
Any one of the above embodiments may be implemented alone, or may be implemented in combination of any two or more.
The above embodiments are further described below with reference to specific examples.
Example 1:
the embodiment provides multi-channel stereoscopic color glare laser anti-counterfeiting aluminum spraying paper, the structure of which is shown in fig. 1, and the multi-channel stereoscopic color glare laser anti-counterfeiting aluminum spraying paper comprises a base paper layer 1, a first adhesive layer, a metal aluminized layer 3, a 135-degree channel holographic laser layer 4, an opposite color mold pressing coating 5, a second adhesive layer, a zinc sulfide medium layer 7, a 45-degree channel holographic laser layer 8 and a color mold pressing coating 9 which are sequentially compounded from bottom to top.
Wherein, the base paper layer 1 can adopt various white cardboard, the gram weight can be from 80-250 g/m 2, and the base paper layer 1 in the embodiment adopts 225g/m 2 solar white cardboard.
The water-based transfer adhesive layer 2 is formed by coating water-based environment-friendly transfer adhesive. Preferably, the particle diameter of the transfer glue in the embodiment is 0.14 microns, the solid content is 50+/-2%, the pH value is 6.0-8.0, the viscosity measured under the conditions of a coating number 4 cup and the temperature of 25 ℃ is 18-28 seconds, the glass transition temperature is 12 ℃, and the coating amount is 4-6 g/m 2.
The metal aluminizing layer 3 is formed by heating and vaporizing an aluminum wire with the purity of 99.9% at high temperature by vacuum aluminizing equipment, then cooling and depositing the aluminum wire on the surface of the film to form a metal aluminizing layer, wherein the thickness of the aluminum layer is 380-480 angstroms.
And the 135-degree channel holographic laser layer 4 records laser holographic information of 135-degree channel interference fringe interval width, angle and different focus curvature combinations.
In contrast, the color mold pressing coating 5 is a laser holographic transfer coating layer, the embodiment preferably adopts acrylic coating, the solid content is 17-19%, the softening point is 105-120 ℃, the acid value is 7-10 mg KOH/g, the viscosity measured under the conditions of coating a No. 4 cup and the temperature of 25 ℃ is 17-21 seconds, and the dry coating weight is 1.1-1.3 g/m 2. And 5-10% of pigment color paste with the color opposite to that of the color die-pressing coating 9 is added into the coating.
The solvent-free adhesive layer 6 is prepared from solvent-free two-component polyurethane composite adhesive, wherein the first component of the adhesive is isocyanate, the density is 1.1-1.2 g/m 3, the solid content is 100%, the second component of the adhesive is hydroxyl component, the density is 1.0-1.1 g/m 3, the solid content is 100%, the ratio of the first component to the second component of the adhesive is 1:0.8-0.9, the sizing amount is 1.0-3.0 g/m 2, and the adhesive is cured for 24 hours at 35-40 ℃ after compounding. In the embodiment, the Hangao solvent-free double-component polyurethane composite adhesive is adopted, wherein the first component is Liofol UR 7723-22, the second component curing agent is UR 6029-21, and the products with lower viscosity are all adopted.
The zinc sulfide dielectric layer 7 is formed by heating and vaporizing zinc sulfide at high temperature through vacuum aluminizing equipment, cooling and depositing the vaporized zinc sulfide on the surface of the film to form a zinc sulfide highlight layer, wherein the thickness characterization transmittance of the zinc sulfide is 64-66%.
And the 45-degree channel holographic laser layer 8 records laser holographic information of 45-degree channel interference fringe interval width, angle and different focus curvature combinations.
The color mould pressing coating 9 is a laser holographic transfer coating layer, the preferred embodiment adopts acrylic coating with the solid content of 17-19%, the softening point of 105-120 ℃, the acid value of 7-10 mg KOH/g, the viscosity measured under the conditions of coating a No. 4 cup and the temperature of 25 ℃ of 17-21 seconds, and the dry coating weight of 1.1-1.3 g/m 2. And 5-10% of pigment color paste with the color opposite to that of the opposite-color die-pressing coating 5 is added into the coating.
In this embodiment, the method for manufacturing the multi-channel stereoscopic colorful glare laser anti-counterfeiting aluminum spraying paper comprises the following steps:
Step one, a laser holographic master plate of a hologram is manufactured on the same holographic plate in a mode of changing the width and the angle of interference fringes and a mode of adopting local Jiao Dianhu walking bit lithography, and two holographic laser plates, namely a 45-degree holographic laser plate and a 135-degree holographic laser plate, are manufactured through 45-degree and 135-degree channels respectively.
And secondly, coating an opposite color die-pressing coating 5 on the surface of the BOPET film by using a BOPET film with the thickness of 15 mu, wherein brands can be selected from Shandong Fuwei, and the coating speed of 90-110 m/min on a coater, and drying and curing by using an oven to form the holographic color coating film.
And thirdly, carrying out laser holographic molding on the holographic color coating film on a laser molding press, wherein a single-plate hard molding pressing mode is adopted as the molding mode, and after laser molding, recording the 135-degree channel holographic laser layer 4 on the opposite color molding coating 5 to form the 135-degree channel color laser holographic film. The molding temperature in the step is 150-170 ℃, and the molding speed is 45-50 m/min;
And fourthly, heating the high-purity aluminum wire to about 1400 ℃ for gasification under the vacuum condition of 10 -2～10-3 Pa by adopting a vacuum aluminizing machine, and then cooling and attaching the high-purity aluminum wire to the 135-DEG C channel holographic laser layer 4 to form the metal aluminized layer 3 with the laser holographic pattern, wherein the thickness of the aluminized layer is 380-480 angstroms.
And fifthly, coating a water-based transfer adhesive layer 2 on the surface of the aluminized layer with the laser holographic pattern on a wet-process compound gantry machine, and adhering the front surface of the base paper layer 1 on the water-based transfer adhesive layer 2, wherein the adhesive layer adopts water-based environment-friendly transfer adhesive, and the adhesive coating quantity is 4-6 g/m 2 through anilox roller adhesive coating. And drying the compounded multilayer material by using an oven with the temperature of between 80 and 120 ℃ for 4 to 6 hours, and then placing the dried multilayer material in a constant temperature and humidity chamber with the temperature of between 20 and 25 ℃ and the humidity of between 40 and 55 percent HR for balanced curing for 8 to 12 hours to form the aluminum-plated composite color aluminum-sprayed paper with the 135-degree channel holographic laser anti-counterfeiting pattern.
Step six, as shown in fig. 3, stripping and recycling the base film layer 10 of the aluminized composite color aluminum-spraying paper with the 135-degree channel holographic laser anti-counterfeiting pattern on a stripping rewinder. Forming the aluminized color aluminum-sprayed paper with the 135-degree channel holographic laser anti-counterfeiting pattern.
And step seven, stripping the recycled base film layer 10, coating a color die-pressing coating 9 on the surface of the BOPET film on a coating machine at a coating speed of 90-110 m/min, and drying and curing by adopting an oven to form the holographic color coating film.
And step eight, carrying out laser holographic molding on the holographic color coating film on a laser molding press, wherein the molding mode adopts a medium-pressure seamless molding mode, and after the 45-degree holographic laser plate laser molding, recording the 45-degree channel holographic laser layer 8 on the color molding coating 9 to form the 45-degree channel color laser holographic film. The molding temperature in the step is 150-160 ℃, and the molding speed is 35-40 m/min;
And step nine, heating the blocky zinc sulfide to about 1400 ℃ to gasify under the vacuum condition of 10 -2～10-3 Pa by adopting a vacuum aluminizing machine, and then attaching the blocky zinc sulfide to the laser holographic color die-pressing coating 9 by cooling to form a zinc sulfide medium layer 7 with a highlight laser holographic pattern, wherein the thickness characterization transmittance of the zinc sulfide is 64-66%.
And step ten, coating solvent-free glue on the zinc sulfide medium layer 7 with the 45-degree channel highlight laser holographic pattern on a solvent-free compounding machine to form a solvent-free adhesive layer 6, and simultaneously attaching the aluminum-plated color aluminum-spraying paper with the 135-degree channel highlight laser anti-counterfeiting pattern to form the multi-channel three-dimensional color glare laser anti-counterfeiting aluminum-spraying compound paper.
Step eleven, on a rewinding stripping machine or a stretch breaking machine, referring to fig. 2, stripping the uppermost base film layer 10 of the multi-channel stereoscopic color glare laser anti-counterfeiting aluminum-spraying composite paper, and then carrying out winding drum or single Zhang Fenqie to form the multi-channel stereoscopic color glare laser anti-counterfeiting aluminum-spraying paper. The peeled base film can be reused.
The base film layer 10 is not limited to the thickness selected in the above examples, and may be selected from the range of 12 to 18 μm.
The base paper layer 1 can adopt various white cardboard. The gram weight can be from 80 to 250 g/m 2.
Comparative example 1
Most of the same as in example 1 except that in this comparative example, the 45-degree channel holographic laser layer 8 was also changed to 135-degree channel holographic laser layer 4.
Comparative example 2
Most of the same as in example 1 except that in this comparative example, the color embossing coating 9, 45-degree channel holographic laser layer 8, solvent-free adhesive layer 6, and zinc sulfide dielectric layer 7 were omitted.
When the packaging materials obtained in the embodiment 1, the comparative example 1 and the comparative example 2 are tested, it is known that the aluminum spraying paper in the embodiment 1 can see different laser holographic anti-counterfeiting effects through the synergistic effect of two channels, and can hide different laser holographic patterns at different angles to achieve the anti-counterfeiting effects, and can generate the multicolor dazzling effect after light diffraction. In comparative example 1, the design of the 45-degree channel holographic laser layer is changed into the design of the 135-degree channel holographic laser layer, and laser interference phenomenon occurs when the upper layer holographic laser information and the lower layer holographic laser information are overlapped, so that the laser information is blurred. In the design of omitting a color molding coating, a 45-degree channel holographic laser layer, a solvent-free adhesive layer and a zinc sulfide medium layer in comparative example 2, only a single-channel single-layer laser effect is formed, and the single-layer laser effect is consistent with that of common laser aluminum spraying paper.
In the above examples, unless otherwise specified, the raw materials or treatment processes are all indicated as conventional commercially available raw materials or conventional treatment processes in the art.
The previous description of the embodiments is provided to facilitate a person of ordinary skill in the art in order to make and use the present invention. It will be apparent to those skilled in the art that various modifications can be readily made to these embodiments and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above-described embodiments, and those skilled in the art, based on the present disclosure, should make improvements and modifications without departing from the scope of the present invention.

Claims (3)

1.一种多通道立体彩色炫光镭射防伪喷铝纸，其特征在于，包括从下到上依次复合的基纸层、第一胶黏层、金属镀铝层、135度通道全息镭射层、相反彩色模压涂层、第二胶黏层、硫化锌介质层、45度通道全息镭射层和彩色模压涂层；1. A multi-channel three-dimensional color glare laser anti-counterfeiting aluminum spray paper, characterized in that it includes a base paper layer, a first adhesive layer, a metal aluminum plating layer, a 135-degree channel holographic laser layer, a reverse color molded coating, a second adhesive layer, a zinc sulfide medium layer, a 45-degree channel holographic laser layer and a color molded coating which are compounded in sequence from bottom to top; 所述第一胶黏层为水性转移胶黏层；The first adhesive layer is a water-based transfer adhesive layer; 所述的金属镀铝层的厚度为380～480埃；The thickness of the metal aluminum plating layer is 380 to 480 angstroms; 所述的第二胶黏层为无溶剂胶黏层；The second adhesive layer is a solvent-free adhesive layer; 所述的硫化锌介质层的厚度满足：其表征透过率为64～66％；The thickness of the zinc sulfide dielectric layer satisfies: its characteristic transmittance is 64-66%; 所述的相反彩色模压涂层和彩色模压涂层带有相反的颜色；The opposite color molded coating and the color molded coating have opposite colors; 所述的相反彩色模压涂层为丙烯酸涂料层；The reverse color molded coating is an acrylic paint layer; 所述的彩色模压涂层为丙烯酸涂料层。The color molded coating is an acrylic paint layer. 2.如权利要求1所述的多通道立体彩色炫光镭射防伪喷铝纸的制备方法，其特征在于，包括以下步骤：2. The method for preparing the multi-channel three-dimensional color glare laser anti-counterfeiting aluminum spray paper according to claim 1, characterized in that it comprises the following steps: (1)预先制作用于镭射模压机的45度通道全息镭射版和135度通道全息镭射版；(1) Pre-fabricate 45-degree channel holographic laser plates and 135-degree channel holographic laser plates for laser molding machines; (2)取一基膜，在其表面涂布相反彩色模压涂料层，烘干固化，形成全息相反彩色涂布膜；(2) taking a base film, coating a reverse color mold coating layer on the surface of the base film, drying and curing the base film to form a holographic reverse color coating film; (3)在镭射模压机上对全息相反彩色涂布膜进行镭射全息模压，将135度通道全息镭射层记录在全息相反彩色涂布膜的相反彩色模压涂料层上，形成135度通道彩色镭射全息膜；(3) performing laser holographic embossing on the holographic reverse color coating film on a laser embossing machine, recording the 135-degree channel holographic laser layer on the reverse color embossing coating layer of the holographic reverse color coating film, and forming a 135-degree channel color laser holographic film; (4)采用真空蒸镀方式，在135度通道彩色镭射全息膜的表面蒸镀金属镀铝层；(4) using vacuum evaporation to deposit a metal aluminum layer on the surface of the 135-degree channel color laser holographic film; (5)继续在金属镀铝层的表面涂覆第一胶黏层，并将基纸层正面粘贴在第一胶黏层上，形成具有135度通道全息镭射防伪图案的镀铝复合彩色喷铝纸；(5) Continue to coat the first adhesive layer on the surface of the metal aluminum-plated layer, and adhere the front side of the base paper layer to the first adhesive layer to form an aluminum-plated composite color aluminum-sprayed paper with a 135-degree channel holographic laser anti-counterfeiting pattern; (6)剥离具有135度通道全息镭射防伪图案的镀铝复合彩色喷铝纸上的基膜层回用，得到具有135度通道全息镭射防伪图案的镀铝复合彩色喷铝纸；(6) peeling off the base film layer on the aluminized composite color aluminum-sprayed paper with a 135-degree channel holographic laser anti-counterfeiting pattern and recycling it to obtain an aluminized composite color aluminum-sprayed paper with a 135-degree channel holographic laser anti-counterfeiting pattern; (7)对剥离回用的基膜层的表面再次涂布彩色模压涂料层，得到全息彩色涂布膜；(7) coating the surface of the peeled and recycled base film layer with a color mold coating layer again to obtain a holographic color coating film; (8)在镭射模压机上对全息彩色涂布膜进行镭射全息模压，将45度通道全息镭射层记录在彩色模压涂料层上，形成45度通道彩色镭射全息膜；(8) performing laser holographic embossing on the holographic color coating film on a laser embossing machine, recording the 45-degree channel holographic laser layer on the color embossing coating layer, and forming a 45-degree channel color laser holographic film; (9)采用真空蒸镀方式，将硫化锌蒸镀在45度通道彩色镭射全息膜的表面，得到具有高亮镭射全息图案的硫化锌介质层；(9) using a vacuum evaporation method to evaporate zinc sulfide on the surface of the 45-degree channel color laser holographic film to obtain a zinc sulfide dielectric layer with a high-brightness laser holographic pattern; (10)在硫化锌介质层表面涂布第二胶黏层，同时贴合具有135度通道全息镭射防伪图案的镀铝复合彩色喷铝纸，即形成多通道立体彩色炫光镭射防伪喷铝复合纸；(10) coating a second adhesive layer on the surface of the zinc sulfide dielectric layer, and at the same time laminating an aluminum-plated composite color aluminum-sprayed paper having a 135-degree channel holographic laser anti-counterfeiting pattern, thereby forming a multi-channel three-dimensional color glare laser anti-counterfeiting aluminum-sprayed composite paper; (11)多通道立体彩色炫光镭射防伪喷铝复合纸最上面的基膜层剥离后卷筒或单张分切，即得到多通道立体彩色炫光镭射防伪喷铝纸。(11) After the top base film layer of the multi-channel three-dimensional color glare laser anti-counterfeiting aluminum spray composite paper is peeled off, it is rolled or cut into single sheets to obtain the multi-channel three-dimensional color glare laser anti-counterfeiting aluminum spray paper. 3.根据权利要求2所述的多通道立体彩色炫光镭射防伪喷铝纸的制备方法，其特征在于，步骤(3)中，模压温度为150～170℃，模压速度为45～50m/min；3. The method for preparing the multi-channel three-dimensional color glare laser anti-counterfeiting aluminum spray paper according to claim 2, characterized in that in step (3), the molding temperature is 150-170° C., and the molding speed is 45-50 m/min; 步骤(5)中，第一胶黏层采用水性环保型转移胶，通过网纹辊上胶，上胶量为4～6g/m2；In step (5), the first adhesive layer is made of water-based environmentally friendly transfer adhesive, which is applied by an anilox roller with an amount of 4 to 6 g/m 2 ; 步骤(5)中，复合基纸层的多层材料先在80-120℃的烘箱中干燥，再置于20-25℃，湿度为40～55％HR的恒温恒湿室内进行8～12小时的平衡熟化，即得到具有135度通道全息镭射防伪图案的镀铝复合彩色喷铝纸；In step (5), the multilayer material of the composite base paper layer is first dried in an oven at 80-120° C., and then placed in a constant temperature and humidity room at 20-25° C. and a humidity of 40-55% HR for 8-12 hours of equilibrium aging to obtain an aluminum-plated composite color aluminum-sprayed paper having a 135-degree channel holographic laser anti-counterfeiting pattern; 步骤(8)中，模压温度为150～160℃，模压速度为35～40m/min。In step (8), the molding temperature is 150-160° C. and the molding speed is 35-40 m/min.
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