CN114621478A - Composite iron film, preparation method thereof and composite iron adopting composite iron film - Google Patents

Composite iron film, preparation method thereof and composite iron adopting composite iron film Download PDF

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Publication number
CN114621478A
CN114621478A CN202011448424.6A CN202011448424A CN114621478A CN 114621478 A CN114621478 A CN 114621478A CN 202011448424 A CN202011448424 A CN 202011448424A CN 114621478 A CN114621478 A CN 114621478A
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China
Prior art keywords
layer
film
information
printing
coating
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Chinese (zh)
Inventor
游仁顺
庄孝磊
刘相乾
张志伟
豆敬涛
祁艳群
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Shanghai Techsun Packing Materials Co ltd
Shanghai Tianchen Micro Nano Technology Co ltd
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Shanghai Techsun Packing Materials Co ltd
Shanghai Tianchen Micro Nano Technology Co ltd
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Priority to CN202011448424.6A priority Critical patent/CN114621478A/en
Publication of CN114621478A publication Critical patent/CN114621478A/en
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    • 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
    • C08J7/0423—Coating with two or more layers, where at least one layer of a composition contains a polymer binder with at least one layer of inorganic material and at least one layer of a composition containing a polymer binder
    • 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
    • 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
    • B05D7/52—Two layers
    • B05D7/54—No clear coat specified
    • B05D7/546—No clear coat specified each layer being cured, at least partially, separately
    • 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
    • B32B15/08—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 synthetic resin
    • B32B15/085—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 synthetic resin comprising polyolefins
    • 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
    • B32B15/08—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 synthetic resin
    • B32B15/09—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 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • 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
    • B41M1/12—Stencil printing; Silk-screen 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/14—Security printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B65D65/40—Applications of laminates for particular packaging purposes
    • 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
    • C08J7/043—Improving the adhesiveness of the coatings per se, e.g. forming primers
    • 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
    • C08J7/06—Coating with compositions not containing macromolecular substances
    • 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
    • B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/28—Multiple coating on one surface
    • 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
    • B32B2553/00—Packaging equipment or accessories not otherwise provided for
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/06—Polyethene
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/10—Homopolymers or copolymers of propene
    • C08J2323/12—Polypropene
    • 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
    • C08J2333/00—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
    • C08J2333/04—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 only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
    • C08J2333/06—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 esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C08J2333/10—Homopolymers or copolymers of methacrylic acid esters
    • C08J2333/12—Homopolymers or copolymers of methyl methacrylate
    • 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
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    • C08J2369/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
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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
    • C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08J2379/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2361/00 - C08J2377/00
    • C08J2379/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • C08J2379/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • 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
    • C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2475/04—Polyurethanes

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Printing Methods (AREA)

Abstract

The invention discloses a composite iron film, a preparation method thereof and composite iron adopting the composite iron film, wherein the composite iron film comprises a printing layer, a first processing layer, a base film layer, a second processing layer, an information layer and a coating layer which are sequentially laminated, the information layer is provided with visual anti-counterfeiting information and an optical positioning mark, and the optical positioning mark is used for aligning the printing layer and the information layer. The base film layer provides a carrier for the complex iron film, the visual anti-counterfeiting information of the information layer can improve the anti-counterfeiting capacity of the complex iron film, and meanwhile, the information layer is provided with the optical positioning mark, so that the printing layer and the information layer can be accurately positioned by utilizing the optical positioning mark, and the complex iron film can have exquisite patterns. The film coating layer can improve the optical effect of the information layer and the brightness of the positioning marks, so that the positioning of the optical positioning marks is facilitated. The first treatment layer and the second treatment layer can increase the fastness of the information layer and the printing layer.

Description

Complex iron film, preparation method thereof and complex iron adopting complex iron film
Technical Field
The invention relates to the field of packaging, in particular to a composite iron film, a preparation method thereof and composite iron adopting the composite iron film.
Background
Ironwork packaging is mainly realized through iron printing, the iron printing speed is low, the energy consumption is high, the labor cost is extremely high, and only general printing can be realized through the mode, so that exquisite patterns cannot be manufactured. Because of many defects of the printing iron, the film-coated iron is produced, the film-coated iron is that the pattern is printed on the film firstly and then compounded with the iron, the traditional iron printing process of one-time baking and one-time chromatography is changed by the film-coated iron process, compared with the traditional tin plate printing process, the technology not only improves the physicochemical stability and the appearance decoration of the packaging container, but also has obvious superiority in production, but the film-coated iron in the current market can only produce full-page patterns with common optical effects, and can not realize some exquisite optical positioning patterns.
Disclosure of Invention
The invention aims to overcome the defect that the laminated iron in the prior art cannot realize a fine optical positioning pattern, and provides a laminated iron film, a preparation method thereof and the laminated iron adopting the laminated iron film.
The invention solves the technical problems through the following technical scheme:
the composite iron film is characterized by comprising a printing layer, a first processing layer, a base film layer, a second processing layer, an information layer and a coating layer which are sequentially stacked, wherein the information layer is provided with visual anti-counterfeiting information and an optical positioning mark, and the optical positioning mark is used for aligning the printing layer and the information layer.
In this scheme, the base film layer provides the carrier for the compound iron membrane, and the pleasing to the eye and the anti-fake ability of compound iron membrane can be improved to the vision anti-fake information on information layer, simultaneously, because the information layer has the optical locating mark, consequently can utilize the optical locating mark to realize the accurate location of printing layer and information layer to make compound iron membrane can have exquisite pattern. The film coating layer can improve the optical effect of the information layer and the brightness of the positioning marks, so that the positioning of the optical positioning marks is facilitated. The first and second treatment layers can increase the fastness of the information layer and the printed layer, so that the information layer and the printed layer can be firmly combined with the base film layer. Compare in current compound iron membrane, this scheme has integrated the information layer that has anti-fake information and the printing layer that has exquisite pattern on a membrane to utilize the optical locating mark, make information layer and printing layer accurate counterpoint, consequently compound iron membrane has higher anti-fake ability simultaneously, also comparatively pleasing to the eye.
Preferably, the optical locating marks comprise triangular marks.
In this scheme, compare in square, circular shape mark, the triangle-shaped mark has the gradient, transversely vertically can both compromise during the registration, compares in square and circular can see out the registration deviation more and in time give information feedback to the system and make the correction.
Preferably, the visual anti-counterfeiting information comprises characters and/or patterns formed by one or more of cat eyes, embossments, plain holograms, cylindrical gratings and metal wiredrawing stripes.
In the scheme, characters or patterns can be formed through the technology to form visual anti-counterfeiting information, and the anti-counterfeiting capacity of the composite iron film is improved.
Preferably, the material of the coating layer is selected from aluminum, ZnS or TiO2。
In the scheme, the material of the coating layer can be selected according to actual requirements. Preferably, the material of the coating layer is aluminum, which can better increase the brightness of the optical positioning marks of the information layer.
Preferably, the thickness of the coating layer is
Figure BDA0002825116570000021
In this embodiment, if the coating layer is too thick, the thickness of the complex iron film becomes thicker, and if the coating layer is too thin, the optical positioning mark of the information layer cannot be increased in brightness.
Preferably, the material of the first treatment layer and the second treatment layer is selected from waterborne polyurethane, solvent type polyurethane, acrylic acid, polyester or vinyl acetate.
In the scheme, any one or combination of the materials is coated on the base film layer, and the first treatment layer or the second treatment layer is obtained after drying. The first treated layer and the second treated layer may be made of the same material or different materials. Preferably, the first treated layer and the second treated layer use aqueous polyurethane.
Preferably, the material of the base film layer is selected from one of polyethylene terephthalate (PET), Polycarbonate (PC), polymethyl methacrylate (PMMA), cast polypropylene film (CPP), Polyethylene (PE), Polyimide (PI), and Polyamide (PA).
In this embodiment, the material of the base film layer may be selected according to actual needs, and is preferably polyethylene terephthalate (PET) or cast polypropylene (CPP).
Preferably, the information layer further comprises a cross cursor for printing registration, and the cross cursor is distributed around the layout of the information layer.
In the scheme, the cross cursor is used for printing registration so as to ensure the quality of a printing layer.
The preparation method of the composite iron film is characterized by comprising the following steps of:
s1: coating treatment is carried out on two sides of the base film layer, drying is carried out at the temperature of 120-150 ℃, and a first treatment layer and a second treatment layer are obtained on two sides of the base film layer;
s2: printing an information layer with visual anti-counterfeiting information and optical positioning marks on the second processing layer;
s3: coating a film on the information layer to form a film coating layer;
s4: and identifying the optical positioning marks of the information layer, and printing a printing layer on the first processing layer according to the positions of the optical positioning marks.
In this scheme, the base film layer provides the carrier for the compound indisputable membrane, and the visual anti-fake information on information layer can improve the anti-fake ability of compound indisputable membrane, simultaneously, because the information layer has the optical locating mark, consequently can utilize the optical locating mark to realize the accurate location of printing layer and information layer to make compound indisputable membrane can have exquisite pattern. The film coating layer can increase the brightness of the optical positioning marks of the information layer, so that the optical positioning marks can be positioned conveniently. The first and second treatment layers can increase the fastness of the information layer and the printed layer, so that the information layer and the printed layer can be firmly combined with the base film layer.
Preferably, in the process of executing step S1, the preparation method further includes: coating treatment is carried out on two sides of the base film layer by using an anilox roller with a size of 250-350 meshes, and corona treatment is carried out simultaneously with the coating treatment.
In the scheme, a thinner coating can be obtained by using the anilox roller with a high mesh number, so that the production cost is saved. In addition, the adhesion fastness of the coating can be increased by on-line corona during the coating treatment.
Preferably, in the process of executing step S1, the preparation method further includes: and after one side of the base film layer is subjected to coating treatment, standing for at least 24 hours, and then, performing coating treatment on the other side of the base film layer.
In the scheme, the standing treatment can prevent or reduce the phenomenon of coating stickiness, thereby improving the coating quality.
Preferably, step S2 includes the following steps:
s21: manufacturing a microstructure template by an electroforming method according to the content of the information layer;
s22: and adhering the micro-structure template to a printing roller by using glue, and copying the pattern on the micro-structure template to the second processing layer by using UV glue in a UV mould pressing mode to form the information layer.
In this solution, the microstructure template is produced accordingly, according to the content to be printed by the information layer. The image-text design of the information layer comprises the design of an optical positioning mark and the design of a positioning printing pattern, and after the design is finished, the microstructure template is correspondingly manufactured according to the design content.
Preferably, the material of the coating layer in step S3 is selected from aluminum, ZnS and TiO2The thickness of the coating layer is
Figure BDA0002825116570000041
In the scheme, the material of the coating layer can be selected according to actual requirements. Preferably, the material of the coating layer is aluminum, which can better increase the brightness of the optical positioning marks of the information layer. If the film coating layer is too thick, the thickness of the laminated iron film becomes thick, and if the film coating layer is too thin, the optical positioning mark of the information layer cannot be increased in brightness.
The laminated iron is characterized by comprising a metal plate and the laminated iron film, wherein the laminated iron film is covered on the surface of the metal plate.
In the scheme, the laminated iron integrates required information (such as cat eyes, embossments, plain holographic information, column gratings and metal wire drawing stripes) and a printing layer on one laminated iron film in a mould pressing mode, and the laminated iron film is compounded and formed with a metal plate to manufacture a metal plate product with anti-counterfeiting and packaging functions.
The positive progress effects of the invention are as follows:
the invention relates to a complex iron film and a preparation method thereof, and complex iron film adopting the complex iron film, which abandons the traditional iron printing process, has low single sheet printing efficiency, large energy consumption, large equipment investment and low production speed, can only be simply and purely printed, can not manufacture exquisite patterns, and can not improve the packaging grade.
Drawings
Fig. 1 is a schematic structural diagram of a complex iron film according to an embodiment of the present invention.
Fig. 2 is a schematic flow chart of a method for preparing a complex iron film according to an embodiment of the present invention.
Description of the reference numerals
Printing layer 1
Positioning pattern 11
First treated layer 2
Base film layer 3
Second treated layer 4
Information layer 5
Optical positioning mark 51
Film coating layer 6
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1, the present embodiment provides a composite iron film, which includes a printing layer 1, a first processing layer 2, a base film layer 3, a second processing layer 4, an information layer 5, and a film coating layer 6, which are sequentially stacked, wherein the information layer 5 has visual anti-counterfeiting information and an optical positioning mark 51, and the optical positioning mark 51 is used for aligning the printing layer 1 and the information layer 5.
The base film layer 3 provides a carrier for the complex iron film, the visual anti-counterfeiting information of the information layer 5 can improve the attractiveness and anti-counterfeiting capacity of the complex iron film, and meanwhile, the information layer 5 is provided with the optical positioning mark 51, so that the printing layer 1 and the information layer 5 can be accurately positioned by using the optical positioning mark 51, and the complex iron film can have exquisite patterns. The film coating layer 6 can improve the optical effect of the information layer 5 and the brightness of the positioning marks 51, so as to facilitate the positioning of the optical positioning marks 51. The printed layer 1 may be provided with a positioning pattern 11 corresponding to the optical positioning mark 51, and the positioning pattern 11 of the printed layer 1 may be overlapped with the optical positioning mark 51. The first and second treated layers 2 and 4 can increase the fastness of the information layer 5 and the printed layer 1 so that the information layer 5 and the printed layer 1 can be firmly bonded to the base film layer 3. Compared with the existing complex iron film, the complex iron film of the embodiment integrates the information layer 5 with anti-counterfeiting information and the printing layer 1 with exquisite patterns on one film, and utilizes the optical positioning mark 51 to ensure that the information layer 5 and the printing layer 1 can be accurately aligned, so that the complex iron film has higher anti-counterfeiting capacity and is more attractive.
The optical positioning marks 51 comprise triangular marks. Compared with square and round marks, the triangular mark has gradient, both transverse and longitudinal directions can be considered during registration, and compared with square and round marks, the method can find out registration deviation and feed information back to the system in time to correct the registration deviation. It will be appreciated that the skilled person can select marks having shapes other than triangular marks, such as square marks, circular marks, etc., or a combination of shapes, as the case may be.
The visual anti-counterfeiting information comprises characters and/or patterns formed by one or more of cat eyes, embossment, plain holography, cylindrical grating and metal wire drawing stripe. Characters or patterns can be formed through the technology to form visual anti-counterfeiting information, and the anti-counterfeiting capacity of the composite iron film is improved. Similarly, the optical locating marks 51 may also be formed in one or more of the ways described above.
The material of the coating layer 6 can be selected from aluminum, ZnS or TiO2. The material of the coating layer 6 can be selected according to actual requirements. Preferably, the material of the coating layer 6 is aluminum, which can better increase the brightness of the optical positioning marks 51 of the information layer 5.
The thickness of the coating layer 6 is
Figure BDA0002825116570000061
If the coating layer 6 is too thick, the thickness of the laminated iron film becomes thick, and if the coating layer 6 is too thin, the thickness of the laminated iron film becomes thickAnd does not function to increase the brightness of the optical positioning marks 51 of the information layer 5. In a preferred embodiment, the thickness of the coating layer 6 is
Figure BDA0002825116570000062
The materials of the first treatment layer 2 and the second treatment layer 4 are selected from waterborne polyurethane, solvent-borne polyurethane, acrylic, polyester or vinyl acetate. Any one or combination of the above materials is coated on the base film layer 3, and the first treated layer 2 or the second treated layer 4 is obtained after drying. The first treated layer 2 and the second treated layer 4 may be made of the same material or different materials. Preferably, the first treated layer 2 and the second treated layer 4 use aqueous polyurethane.
The material of the base film layer 3 is one selected from polyethylene terephthalate (PET), Polycarbonate (PC), polymethyl methacrylate (PMMA), cast polypropylene film (CPP), Polyethylene (PE), Polyimide (PI), and Polyamide (PA). The material of the base film layer 3 may be selected according to actual needs, and is preferably polyethylene terephthalate (PET) or cast polypropylene film (CPP).
The information layer 5 also comprises cross cursors for printing registration, which are distributed around the layout of the information layer 5. The cross-shaped cursors are used for printing registration to ensure the quality of the printed layer 1.
Example 2
The present embodiment provides a laminated iron, which includes a metal plate and the laminated iron film of embodiment 1, and the laminated iron film is covered on the surface of the metal plate.
The compound film iron integrates required information (such as cat eyes, embossment, plain surface holography, column grating and metal wire drawing stripes) and a printing layer 1 on a compound film in a mould pressing mode, and the compound film is compounded and formed with a metal plate to manufacture a metal plate product with anti-counterfeiting and packaging functions.
Example 3
As shown in fig. 2, this example provides a method for preparing a complex iron film, which can be used to prepare the complex iron film of example 1. The preparation method comprises the following steps:
s1: coating treatment is carried out on two sides of the base film layer 3, drying is carried out at the temperature of 120-150 ℃, and a first treatment layer 2 and a second treatment layer 4 are obtained on two sides of the base film layer 3;
s2: printing an information layer 5 with visual anti-counterfeiting information and optical positioning marks 51 on the second processing layer 4;
s3: coating on the information layer 5 to form a coated layer 6;
s4: the printed layer 1 is printed on the first treated layer 2 by identifying the optical positioning marks 51 of the information layer 5 according to the positions of the optical positioning marks 51.
The base film layer 3 provides a carrier for the complex iron film, the visual anti-counterfeiting information of the information layer 5 can improve the anti-counterfeiting capacity of the complex iron film, and meanwhile, the information layer 5 is provided with the optical positioning mark 51, so that the printing layer 1 and the information layer 5 can be accurately positioned by utilizing the optical positioning mark 51, and the complex iron film can have exquisite patterns. The coating layer 6 is capable of increasing the brightness of the optical positioning marks 51 of the information layer 5 to facilitate the positioning of the optical positioning marks 51. The first and second treated layers 2 and 4 can increase the fastness of the information layer 5 and the printed layer 1 so that the information layer 5 and the printed layer 1 can be firmly bonded to the base film layer 3.
In the course of performing step S1, the preparation method further includes: coating treatment was performed on both sides of the base film layer 3 using 250-350 mesh anilox rolls, and corona treatment was performed simultaneously with the coating treatment. Thinner coatings can be achieved with a high mesh number of anilox rolls, thereby saving production costs. In addition, the adhesion fastness of the coating can be increased by on-line corona during the coating treatment.
In the course of performing step S1, the preparation method further includes: after one side of the base film layer 3 is subjected to coating treatment, the mixture is kept stand for at least 24 hours, and then the other side of the base film layer 3 is subjected to coating treatment. The standing treatment can prevent or reduce the phenomenon of coating stickiness, thereby improving the coating quality.
Further, step S2 includes the steps of:
s21: making a microstructure template by electroforming according to the content of the information layer 5;
s22: the microstructure template is adhered to a printing roller by glue, and the pattern on the microstructure template is copied to the second processing layer 4 by UV mould pressing by using UV glue to form an information layer 5.
The microstructured template is produced accordingly, depending on what is to be printed by the information layer 5. The graphic design of the information layer 5 comprises the design of an optical positioning target and the design of a positioning printing pattern, and after the design is finished, a microstructure template is correspondingly manufactured according to the design content.
The material of the plating layer 6 in step S3 is selected from the group consisting of aluminum, ZnS and TiO2The thickness of the coating layer 6 is
Figure BDA0002825116570000081
The material of the coating layer 6 can be selected according to actual requirements. Preferably, the material of the coating layer 6 is aluminum, which can better increase the brightness of the optical positioning marks 51 of the information layer 5. If the plating layer 6 is too thick, the thickness of the laminated iron film becomes thick, and if the plating layer 6 is too thin, the function of increasing the brightness of the optical positioning marks 51 of the information layer 5 cannot be achieved. In a preferred embodiment, the thickness of the coating layer 6 is
Figure BDA0002825116570000082
Example 4
This example provides another method for preparing a complex iron film, which can also be used to prepare the complex iron film in example 1, and the preparation method includes the following steps:
s10: coating two sides of the base film layer 3 with waterborne polyurethane by using an anilox roller with the mesh size of 250-;
s20: an optical microstructure template is manufactured by an electroforming method according to the image-text design of a product, wherein the image-text design comprises an optical positioning mark 51 for accurate positioning;
s30: the optical microstructured template was applied to a steel roller with double sided tape and the template pattern was transferred to the second process layer 4 by a UV stamper to form an information layer 5 with optical alignment marks 51.
S40: plating a film on the optical positioning layer (information layer 5), preferably plating aluminum, to improve the brightness of the anti-counterfeiting information (such as cat eye, embossment, plain hologram, cylindrical grating, metal wire drawing stripe) and the optical positioning mark 51;
s50: manufacturing a matched flexographic plate or gravure roll according to the image-text design of a product;
s60: and (3) accurately printing the aluminized optical pattern and the periphery of the pattern in a secondary color mode according to the positioning mark with the positioning function by adopting a flexo printing machine or a gravure printing machine with the secondary registration function to form the printing layer 1.
Example 5
This example provides a method for preparing a complex iron film, which may also be used to prepare the complex iron film in example 1, and the method includes the following steps:
s100: selecting a base film layer 3, wherein the base film layer 3 with small tensile ductility and good temperature resistance, such as PET, PI and the like, is selected as much as possible for more accurate positioning;
s200: coating treatment is carried out on two sides of the base film layer 3 by using a high-number (350-mesh) anilox roller, online corona is required in the treatment process, the treatment is carried out for increasing the adhesion fastness, in order to prevent the coating from being sticky, the coating is placed for at least 24 hours after the treatment on one side is finished, and then the coating on the other side is treated;
s300: the graphic design of the optical positioning effect complex iron fully-printed film pattern comprises the design of an optical positioning pattern 11 and the design of a positioning printing pattern. The design of the optical positioning pattern 11 comprises positioning marks for printing accurate positioning, the positioning marks generally adopt a triangular shape, the optical positioning graphic design also comprises a cross cursor for observing and printing registration, and the cross cursor is generally distributed around the layout. The design of printing graphics and texts comprises the design of optical positioning patterns and cross registration, the design of registration among printing colors, other auxiliary designs and the like;
s400: manufacturing a microstructure template by an electroforming method according to the image-text design of a product, manufacturing a working plate by an electroforming and copying method, and generally manufacturing the template and the working plate by an electroforming nickel method;
s500: pasting the microstructure template on a printing roller (such as a steel roller) by using a double faced adhesive tape, copying all patterns on the template on a second processing layer 4 by using a UV adhesive tape in a UV mould pressing mode to form an information layer 5, wherein the information layer 5 comprises optical positioning marks (such as cat eyes, embossments, plain surface holograms, cylindrical gratings and metal wire drawing stripes) and a cross cursor;
s600: plating film on the optical positioning layer (information layer 5), preferably plating aluminum to improve brightness of optical positioning mark 51 (such as cat eye, relief, plain hologram, cylindrical grating, metal wire drawing stripe) and cross cursor, and controlling the thickness of plating aluminum generally
Figure BDA0002825116570000101
S700: manufacturing a matched flexographic plate or gravure roll according to the image-text design of a product;
s800: and carrying out color positioning printing on the optical positioning film after the aluminum is pressed and plated by adopting an intaglio machine or a satellite type flexo printing machine with a fixed length stretching function. The holographic triangular cursor of the optical positioning film is identified through the photoelectric eye during printing, signals are fed back to a computer for data analysis, compensation is carried out through a fixed-length stretching function, the optical positioning pattern is in registration with the printing, and the production of the compound iron full-printing film with the optical positioning effect is completed through registration among all colors.
The laminated iron full-printing film with optical positioning effect is compounded (laminated) with metal plate to make laminated iron, then the various finished cans with optical positioning pattern are made by forming.
It is to be understood that the metal plate mentioned in the present application is not limited to the iron plate, but may be a steel plate, a chrome-plated aluminum plate, a cold-rolled steel plate, an aluminum plate, a stainless steel plate, a copper plate, or the like.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.

Claims (13)

1. The composite iron film is characterized by comprising a printing layer, a first processing layer, a base film layer, a second processing layer, an information layer and a coating layer which are sequentially stacked, wherein the information layer is provided with visual anti-counterfeiting information and an optical positioning mark, and the optical positioning mark is used for aligning the printing layer and the information layer.
2. The multiferroic film of claim 1, wherein the optical registration marks comprise triangular marks.
3. The multiferroic film of claim 1, wherein the visual security information comprises text and/or patterns formed by one or more of cat eyes, embossments, plain holograms, cylinder gratings, metal striae.
4. The multiferroic film of claim 1, wherein the material of the coating layer is selected from aluminum, ZnS or TiO 2.
5. The multiferroic film of claim 1, wherein the coating layer has a thickness of
Figure FDA0002825116560000011
Figure FDA0002825116560000012
6. The multiferroic film of claim 1, wherein the material of the first treated layer and the second treated layer is selected from the group consisting of waterborne polyurethane, solvent-borne polyurethane, acrylic, polyester, and vinyl acetate.
7. The laminated iron film of claim 1 wherein said information layer further comprises cross-cursors for printing registration, said cross-cursors being disposed about the periphery of the layout of said information layer.
8. The preparation method of the composite iron film is characterized by comprising the following steps of:
s1: coating treatment is carried out on two sides of the base film layer, drying is carried out at the temperature of 120-150 ℃, and a first treatment layer and a second treatment layer are obtained on two sides of the base film layer;
s2: printing an information layer with visual anti-counterfeiting information and optical positioning marks on the second processing layer;
s3: coating a film on the information layer to form a film coating layer;
s4: and identifying the optical positioning marks of the information layer, and printing a printing layer on the first processing layer according to the positions of the optical positioning marks.
9. The method of preparing a complex iron film according to claim 8, wherein in the step of performing S1, the method further comprises: coating treatment is carried out on two sides of the base film layer by using an anilox roller with a size of 250-350 meshes, and corona treatment is carried out simultaneously with the coating treatment.
10. The method of preparing a complex iron film according to claim 8, wherein in the step of performing S1, the method further comprises: and after one side of the base film layer is subjected to coating treatment, standing for at least 24 hours, and then, performing coating treatment on the other side of the base film layer.
11. The method for preparing a composite iron film according to claim 8, wherein the step S2 includes the steps of:
s21: manufacturing a microstructure template by an electroforming method according to the content of the information layer;
s22: and adhering the microstructure template to a printing roller by using glue, and copying the pattern on the microstructure template to the second processing layer by using UV glue in a UV mould pressing mode to form the information layer.
12. The method of claim 8, wherein the material of the coating layer in step S3 is selected from the group consisting of al, ZnS and TiO2, and the thickness of the coating layer is set to be
Figure FDA0002825116560000021
13. A laminated iron comprising a metal plate and the laminated iron film according to any one of claims 1 to 7, wherein the laminated iron film is coated on a surface of the metal plate.
CN202011448424.6A 2020-12-09 2020-12-09 Composite iron film, preparation method thereof and composite iron adopting composite iron film Pending CN114621478A (en)

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