CN108659730B - Hollowed-out anti-counterfeiting glass bead type reflective film and manufacturing method thereof - Google Patents

Hollowed-out anti-counterfeiting glass bead type reflective film and manufacturing method thereof Download PDF

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Publication number
CN108659730B
CN108659730B CN201810742030.8A CN201810742030A CN108659730B CN 108659730 B CN108659730 B CN 108659730B CN 201810742030 A CN201810742030 A CN 201810742030A CN 108659730 B CN108659730 B CN 108659730B
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layer
glass bead
resin
adhesive layer
reflective film
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CN108659730A (en
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吴伟斌
郑小平
刘玫
舒林飞
胡庭
叶成斌
王晨
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Zhejiang Longyou Daoming Optics & Chemical Co ltd
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Zhejiang Longyou Daoming Optics & Chemical Co ltd
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • C09J7/29—Laminated material
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
    • C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
    • C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
    • C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
    • C09J2301/312—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier parameters being the characterizing feature
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
    • C09J2301/414—Additional features of adhesives in the form of films or foils characterized by the presence of essential components presence of a copolymer
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2400/00—Presence of inorganic and organic materials
    • C09J2400/10—Presence of inorganic materials
    • C09J2400/14—Glass
    • C09J2400/143—Glass in the substrate
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2400/00—Presence of inorganic and organic materials
    • C09J2400/10—Presence of inorganic materials
    • C09J2400/16—Metal
    • C09J2400/163—Metal in the substrate
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2427/00—Presence of halogenated polymer
    • C09J2427/006—Presence of halogenated polymer in the substrate
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2429/00—Presence of polyvinyl alcohol
    • C09J2429/006—Presence of polyvinyl alcohol in the substrate
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2433/00—Presence of (meth)acrylic polymer
    • C09J2433/006—Presence of (meth)acrylic polymer in the substrate
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2467/00—Presence of polyester
    • C09J2467/006—Presence of polyester in the substrate
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2475/00—Presence of polyurethane
    • C09J2475/006—Presence of polyurethane in the substrate

Abstract

The invention discloses a hollowed anti-counterfeiting glass bead type reflecting film and a manufacturing method thereof. The manufacturing method comprises the following steps: coating resin on the PET non-corona surface to form a surface layer; coating an adhesive on the surface of the surface layer to form an adhesive layer; immersing the mold roller part into a glue groove of glue, transferring the glue in the small holes on the surface of the mold roller to the adhesive layer to form an isolation medium layer; transferring the glass beads to the adhesive layer to form a glass bead layer; removing the residual glass beads and curing the adhesive layer; coating to form a focus layer; vacuum aluminizing to form a metal layer; and coating pressure-sensitive adhesive on the surface of the release layer, forming a pressure-sensitive adhesive layer, and bonding the release layer with the metal layer through the pressure-sensitive adhesive layer. The invention increases the damage difficulty of the anti-counterfeiting reflective film and enhances the anti-counterfeiting effect.

Description

Hollowed-out anti-counterfeiting glass bead type reflective film and manufacturing method thereof
Technical Field
The invention relates to an anti-counterfeiting reflective film, in particular to a hollowed anti-counterfeiting glass bead type reflective film and a manufacturing method thereof.
Background
The reflective film is a retroreflective material which is made into a film and can be directly applied, and can effectively reflect incident light, thereby reminding pedestrians and drivers of current road surface conditions, object contours and the like, and is commonly used in the traffic safety fields such as warning labels and the like. According to the actual situation, the anti-counterfeiting mark is also needed to be made on the reflective film, so that the safety of the reflective film in use is improved. At present, when some manufacturers make anti-counterfeiting marks on the reflective film, the anti-counterfeiting marks are burnt on an aluminum plating layer of the reflective film in a laser mode, and the burnt part is blackened to lose the reflective effect, so that the anti-counterfeiting function is realized. However, the appearance of the reflective film can be damaged by the laser anti-counterfeiting mode, and the reflective film is treated by laser after the reflective film product is obtained by the laser anti-counterfeiting mode, so that the anti-counterfeiting performance is poor, the anti-counterfeiting mode is easy to imitate and modify by other people, and the anti-counterfeiting mode does not meet the requirements of modern safety.
Disclosure of Invention
Aiming at the defects of easy damage to the appearance of the reflective film, poor anti-counterfeiting performance, easy imitation and modification of the anti-counterfeiting mark and the like in the prior art, the invention provides a novel hollowed-out anti-counterfeiting glass bead type reflective film and a manufacturing method thereof.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the utility model provides a fretwork anti-fake glass bead formula reflective membrane, includes from top to bottom top layer, gluing agent layer, the glass bead layer, focus layer, metal level, pressure sensitive adhesive layer, release layer that the glass bead that the array set up formed, still includes the isolation medium layer, the glass bead layer with the isolation medium layer is in through gluing agent layer below the top layer, the glass bead layer with the isolation medium layer is in same layer, the focus layer cover in glass bead layer with isolation medium layer downside.
The effect on top layer lies in protecting the surface of reflective membrane, avoid reflective membrane to receive wearing and tearing and influence anti-fake reflection of light effect in the use, the gluing agent layer is used for bonding glass bead layer, isolation medium layer in the top layer below, glass bead layer is used for reflecting light, isolation medium layer is used for forming anti-fake pattern with glass bead layer cooperation, and through the reflection of glass bead layer, show anti-fake pattern, the focus layer is used for strengthening reflection of light intensity, the metal level is used for retroreflecting light, the pressure sensitive adhesive layer is used for pasting the reflective membrane on object surface, from the type layer to be used for pasting on pressure sensitive adhesive layer, prevent to be stained with other debris such as dust on the pressure sensitive adhesive layer, reduce the adhesion of pressure sensitive adhesive layer.
The glass bead layer and the isolation medium layer are arranged on the same layer, so that the appearance of the reflecting film is not damaged while the anti-counterfeiting pattern is formed, and the anti-counterfeiting pattern is formed in the surface layer, so that the difficulty of damaging and imitating the anti-counterfeiting pattern is increased, and the anti-counterfeiting performance is improved.
Preferably, in the hollow anti-counterfeiting glass bead type reflective film, the surface layer is a weather-resistant transparent resin layer or a transparent polyester film layer.
The transparent resin layer with weather resistance is selected as the surface layer, so that the weather resistance of the reflective film is enhanced while the definition of the anti-counterfeiting pattern is ensured, the service life of the reflective film outdoors is prolonged, the polyester film layer is selected as the surface layer, so that the anti-counterfeiting pattern is ensured while the overall hardness and the hand feeling of the reflective film are improved, and the overall weather resistance and the abrasion resistance of the reflective film are improved. The transparent resin can be silicon-containing resin, fluorine-containing silicon resin, PET or acrylic resin, or other suitable materials.
Preferably, in the foregoing hollow anti-counterfeiting glass bead type reflective film, the transparent resin layer is a colored transparent resin layer.
The colored transparent resin layer can attach different colors to the reflective film, different colors can be selected according to different use places, the visual effect of the reflective film is improved, the diversification of anti-counterfeiting patterns is ensured, and the anti-counterfeiting effect is improved.
Preferably, the hollowed anti-counterfeiting glass bead type reflective film is characterized in that the adhesive layer is acrylic resin or polyurethane resin or polyester resin.
The adhesive layer is made of acrylic resin, polyurethane resin or polyester resin, so that the production cost can be saved, the bonding strength can be ensured, the glass bead layer and the isolation medium layer are effectively bonded below the surface layer, and meanwhile, the good light transmittance and weather resistance of the acrylic resin, polyurethane resin and polyester resin improve the anti-counterfeiting performance of the reflective film, and the service life is prolonged.
Preferably, the hollow anti-counterfeiting glass bead type reflective film is characterized in that the adhesive layer is formed by mixing any one of acrylic resin, polyurethane resin or polyester resin with high-transparency pigment.
The high transparent pigment is mixed in the adhesive layer, so that more colors can be given to the reflective film, the anti-counterfeiting pattern arranged in the reflective film has more colors, and the imitation difficulty of other people is increased.
Preferably, in the hollow anti-counterfeiting glass bead type reflective film, the refractive index of the glass bead layer is 1.91-2.23.
The refractive index of the glass bead layer is set to be 1.91-2.23, so that the retroreflection effect can be guaranteed, the reflection intensity of light can be improved at a certain angle, and the anti-counterfeiting pattern can be clearly seen.
Preferably, in the hollowed-out anti-counterfeiting glass bead type reflective film, the depth of the glass beads in the glass bead layer sinking into the adhesive layer is 50% -80% of the particle size of the glass beads.
The immersion depth of the glass beads is 50% -80% of the glass beads, so that the bonding stability of the glass beads in the adhesive layer can be ensured, the coating of the focus layer is facilitated, the retroreflection performance is effectively controlled, and the reflection efficiency of the glass beads is improved.
Preferably, in the hollow anti-counterfeiting glass bead type reflective film, the isolation medium layer is made of acrylic resin, vinyl chloride-vinyl acetate copolymer or polyurethane resin, and the thickness of the isolation medium layer is 1-5 microns.
The isolation medium layer is made of acrylic resin, vinyl chloride-vinyl acetate copolymer or polyurethane resin, so that the coating operation is facilitated, the curing characteristic of the isolation medium layer is favorable for forming clear anti-counterfeiting patterns, and meanwhile, good adhesive force can be generated between the isolation medium layer and the adhesive layer and between the isolation medium layer and the focus layer.
Preferably, the focal layer is made of thermosetting acrylic resin or bi-component polyester modified acrylic resin or polyvinyl chloride resin or unsaturated polyester resin or saturated polyester resin or polyurethane resin or polyvinyl butyral resin or vinyl chloride-vinyl acetate copolymer resin or vinyl chloride-vinyl acetate-vinyl alcohol copolymer resin or alkyd resin.
The focal layer is made of the materials, so that the focal layer has good weather resistance, light transmittance and flexibility, and the reflective film has better characteristics.
Preferably, the material of the metal layer is aluminum or silver or oxide containing any one of indium, tin and zinc or sulfide containing any one of indium, tin and zinc or magnesium fluoride or calcium fluoride, and the thickness of the metal layer is 0.3-0.5 microns.
The thickness of the metal layer is set between 0.3 micrometers and 0.5 micrometers, and the metal layer has optimal optical property and flexibility.
Preferably, the hollow anti-counterfeiting glass bead type reflective film is characterized in that the pressure-sensitive adhesive layer is made of acrylic resin, and the thickness of the pressure-sensitive adhesive layer is 30-50 microns.
The acrylic resin coating film has excellent performance, good light resistance, heat resistance, weather resistance, chemical resistance, corrosion resistance and the like, is easy to process, and can reduce the thickness of the pressure-sensitive adhesive layer on the premise of ensuring that the reflective film has enough bonding strength, thereby reducing the bonding strength of the reflective film and the thickness of the reflective film.
Preferably, the above hollowed anti-counterfeiting glass bead type reflective film, wherein the release layer is release paper or release film.
The release paper or the release film is easy to tear and is convenient to use, and the release paper or the release film is easy to cover the surface of the pressure-sensitive adhesive layer, so that the processing difficulty and the processing cost are low.
A manufacturing method of a hollowed-out anti-counterfeiting glass bead type reflective film comprises the following steps:
(1) Coating resin on the surface of the PET, forming a surface layer, drying in an oven at 60-165 ℃ for 5-10 minutes, wherein the thickness of the surface layer after drying is 10-70 microns;
(2) Coating an adhesive on the surface of the surface layer to form an adhesive layer, wherein the coating gap is 80-150 microns, and drying the adhesive layer after coating at the drying temperature of 60-125 ℃ for 2-3 minutes;
(3) Flattening the adhesive surface of the dried adhesive layer by using a Teflon anti-sticking roller, then passing through a coating device with a mold roller, arranging small holes on the surface of the mold roller in an array manner, immersing the mold roller into a glue groove of glue, rotating the mold roller, removing the glue on the surface of the mold roller by using a scraper in the rotating process, transferring the glue in the small holes on the surface of the mold roller onto the adhesive layer, and then placing the adhesive layer into an oven at the temperature of 60-105 ℃ for drying for 10-30 seconds or placing into a UV curing device for instant curing to form an isolation medium layer;
(4) Transferring the glass beads to an adhesive layer through a bead planting device, then placing the adhesive layer into an oven to subside the glass beads, and forming a glass bead layer after the sedimentation, wherein the glass bead layer and an isolation medium layer are positioned on the same layer, the temperature of the oven is 60-105 ℃, and the drying time of the oven is 30-50 seconds;
(5) Removing residual glass beads attached to the isolation medium layer through a dust collection device, and then placing the glass beads into an oven to cure the adhesive layer, wherein the temperature of the oven is 100-155 ℃, and the drying time of the oven is 3-5 minutes;
(6) Coating resin on the surfaces of the glass bead layer and the isolation medium layer by a coating machine to form a focus layer, wherein a coating gap is 80-250 micrometers, and drying the focus layer after coating at the drying temperature of 60-165 ℃ for 6-12 minutes;
(7) Carrying out vacuum aluminizing on the product obtained in the step (6), and forming a metal layer on the surface of the focal layer;
(8) And forming a release layer by taking release paper or release film, coating pressure-sensitive adhesive on the surface of the release layer and forming a pressure-sensitive adhesive layer, and bonding the release layer with the metal layer through the pressure-sensitive adhesive layer to obtain the hollowed anti-counterfeiting glass microsphere type reflective film.
The step (1) has the functions of coating a surface layer and laying a foundation for a subsequent coating, the step (2) has the functions of coating an adhesive layer on the surface layer, setting a coating gap to be 80-150 microns, controlling the thickness of the adhesive layer to be in a reasonable range, maximizing the bonding effect of the adhesive layer, preventing the adhesive layer from being bonded by a Teflon anti-bonding roller in the step (3) to influence the processing of a subsequent anti-counterfeiting pattern, and the step (3) has the functions of injecting glue into small holes arranged on the surface of the die roller, transferring and curing the glue in the small holes to form an isolation medium layer, and transferring the glass beads onto the adhesive layer and being in the same layer with the isolation medium layer, so that the pattern on the isolation medium layer can be visualized through the light reflection of the glass beads, and the oven temperature is set to be 60-105 ℃ and the oven drying time is 30-50 seconds, bonding the glass beads onto the adhesive layer and simultaneously, and the stability of the adhesive layer and the isolation medium layer is not influenced. The purpose of the step (5) is to remove the isolation medium layer which is not adhered to the adhesive layer or the glass beads adsorbed by static electricity, improve the processing efficiency of the reflective film and the definition of the anti-counterfeiting pattern, simultaneously solidify the adhesive layer, and improve the connection stability of the glass bead layer, the isolation medium layer and the adhesive layer. The function of step (6) is to form the focus layer, improve the reflection intensity of glass bead layer, the function of step (7) is to form the metal layer, improve the reflection intensity of glass ray, the function of step (8) is to form pressure sensitive adhesive layer and release layer for the reflective film has the adhesion face that can paste in object surface, when pasting, the user only need tear off release layer can, convenient to use.
Preferably, in the method for manufacturing the hollowed-out anti-counterfeiting glass bead type reflective film, the particle size of the glass beads is 20-80 microns.
The glass beads with the particle size of 20-80 microns are selected, and the reflection effect of the glass bead layer can enable the reflective film to have a good anti-counterfeiting effect.
Preferably, in the method for manufacturing the hollowed-out anti-counterfeiting glass bead type reflective film, small holes arranged on the surface of the mold roller in an array form characters or patterns.
The small holes arranged on the surface of the die roller in an array form characters or patterns, glue is required to be immersed into the small holes during processing, and then the glue in the small holes is transferred and solidified, so that anti-counterfeiting characters or anti-counterfeiting patterns can be processed, the processing is more convenient and quick, and the pattern processing is more accurate.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
The invention is described in further detail below in connection with fig. 1 and the detailed description, but they are not limiting to the invention:
example 1
The utility model provides a fretwork anti-fake glass bead formula reflective film, includes from top to bottom top layer 1, gluing agent layer 2, the glass bead layer 3 that the glass bead that the array set up, focus layer 5, metal level 6, pressure sensitive adhesive layer 7, release layer 8, still includes isolation medium layer 4, glass bead layer 3 with isolation medium layer 4 is in through gluing agent layer 2 the top layer 1 below, glass bead layer 3 with isolation medium layer 4 is in the same layer, focus layer 5 cover in glass bead layer 3 with isolation medium layer 4 downside.
Preferably, the surface layer 1 is a weather-resistant transparent resin layer or a transparent polyester film layer.
Preferably, the transparent resin layer is a colored transparent resin layer.
Preferably, the adhesive layer 2 is an acrylic resin or a polyurethane resin or a polyester resin.
Preferably, the adhesive layer 2 is formed by mixing any one of acrylic resin, polyurethane resin or polyester resin with a high transparent pigment.
Preferably, the refractive index of the glass bead layer 3 is 1.91.
Preferably, the depth of the glass beads in the glass bead layer 3 sinking into the adhesive layer 2 is 50% of the particle size of the glass beads.
Preferably, the isolating dielectric layer 4 is made of acrylic resin, vinyl chloride-vinyl acetate copolymer or polyurethane resin, and the thickness of the isolating dielectric layer 4 is 1 micrometer.
Preferably, the focal layer 5 is made of thermosetting acrylic resin or bi-component polyester modified acrylic resin or polyvinyl chloride resin or unsaturated polyester resin or saturated polyester resin or polyurethane resin or polyvinyl butyral resin or vinyl chloride-vinyl acetate copolymer resin or vinyl chloride-vinyl acetate-vinyl alcohol copolymer resin or alkyd resin.
Preferably, the material of the metal layer 6 is aluminum or silver or oxide containing any one of indium, tin and zinc or sulfide containing any one of indium, tin and zinc or magnesium fluoride or calcium fluoride, and the thickness of the metal layer 6 is 0.3 micrometer.
Preferably, the pressure-sensitive adhesive layer 7 is made of acrylic resin, and the thickness of the pressure-sensitive adhesive layer 7 is 30 micrometers.
Preferably, the release layer 8 is a release paper or a release film.
A manufacturing method of a hollowed-out anti-counterfeiting glass bead type reflective film comprises the following steps:
(1) Coating a PET (polyethylene terephthalate) on the surface of the PET, which is not subjected to corona, with resin to form a surface layer 1, drying the surface layer 1 in an oven at a drying temperature of 60 ℃ for 10 minutes, wherein the thickness of the surface layer 1 after drying is 10 microns;
(2) Coating an adhesive on the surface of the surface layer 1 to form an adhesive layer 2, wherein the coating gap is 80 microns, and drying the adhesive layer 2 after coating at a drying temperature of 60 ℃ for 3 minutes;
(3) Flattening the adhesive surface of the dried adhesive layer 2 by using a Teflon anti-sticking roller, then passing through a coating device with a mold roller, arranging small holes on the surface of the mold roller in an array manner, immersing the mold roller into a glue groove of glue, rotating the mold roller, removing the glue on the surface of the mold roller by using a scraper in the rotating process, transferring the glue in the small holes on the surface of the mold roller onto the adhesive layer 2, and then placing the adhesive layer into an oven at the temperature of 60 ℃ for drying for 30 seconds, or placing the adhesive layer into a UV curing device for instantaneous curing to form an isolation medium layer 4;
(4) Transferring the glass beads to the adhesive layer 2 through a bead planting device, then placing the glass beads into an oven to be settled, and forming a glass bead layer 3 after settlement, wherein the glass bead layer 3 and the isolation medium layer 4 are positioned on the same layer, the temperature of the oven is 60 ℃, and the drying time of the oven is 50 seconds;
(5) Residual glass beads attached to the isolation medium layer 4 are removed through a dust collection device, and then the glass beads are placed into an oven to cure the adhesive layer 2, wherein the temperature of the oven is 100 ℃, and the drying time of the oven is 5 minutes;
(6) Coating resin on the surfaces of the glass bead layer 3 and the isolation medium layer 4 by using a coating machine to form a focus layer 5, wherein the coating gap is 80 microns, and drying the focus layer 5 after coating, wherein the drying temperature is 60 ℃ and the drying time is 12 minutes;
(7) Carrying out vacuum aluminizing on the product obtained in the step (6), and forming a metal layer 6 on the surface of the focal layer 5;
(8) And forming a release layer 8 by using release paper or release film, coating pressure-sensitive adhesive on the surface of the release layer 8 and forming a pressure-sensitive adhesive layer 7, and bonding the release layer 8 with the metal layer 6 through the pressure-sensitive adhesive layer 7 to obtain the hollowed anti-counterfeiting glass microsphere reflective film.
Preferably, the glass beads have a particle size of 20 microns.
Preferably, the small holes arranged on the surface of the mould roller in an array form characters or patterns.
Example 2
The utility model provides a fretwork anti-fake glass bead formula reflective film, includes from top to bottom top layer 1, gluing agent layer 2, the glass bead layer 3 that the glass bead that the array set up, focus layer 5, metal level 6, pressure sensitive adhesive layer 7, release layer 8, still includes isolation medium layer 4, glass bead layer 3 with isolation medium layer 4 is in through gluing agent layer 2 the top layer 1 below, glass bead layer 3 with isolation medium layer 4 is in the same layer, focus layer 5 cover in glass bead layer 3 with isolation medium layer 4 downside.
Preferably, the surface layer 1 is a weather-resistant transparent resin layer or a transparent polyester film layer.
Preferably, the transparent resin layer is a colored transparent resin layer.
Preferably, the adhesive layer 2 is an acrylic resin or a polyurethane resin or a polyester resin.
Preferably, the adhesive layer 2 is formed by mixing any one of acrylic resin, polyurethane resin or polyester resin with a high transparent pigment.
Preferably, the refractive index of the glass bead layer 3 is 2.07.
Preferably, the depth of the glass beads in the glass bead layer 3 sinking into the adhesive layer 2 is 65% of the particle size of the glass beads.
Preferably, the isolating dielectric layer 4 is made of acrylic resin, vinyl chloride-vinyl acetate copolymer or polyurethane resin, and the thickness of the isolating dielectric layer 4 is 1 micrometer.
Preferably, the focal layer 5 is made of thermosetting acrylic resin or bi-component polyester modified acrylic resin or polyvinyl chloride resin or unsaturated polyester resin or saturated polyester resin or polyurethane resin or polyvinyl butyral resin or vinyl chloride-vinyl acetate copolymer resin or vinyl chloride-vinyl acetate-vinyl alcohol copolymer resin or alkyd resin.
Preferably, the material of the metal layer 6 is aluminum or silver or oxide containing any one of indium, tin and zinc or sulfide containing any one of indium, tin and zinc or magnesium fluoride or calcium fluoride, and the thickness of the metal layer 6 is 0.3 micrometer.
Preferably, the pressure-sensitive adhesive layer 7 is made of acrylic resin, and the thickness of the pressure-sensitive adhesive layer 7 is 30 micrometers.
Preferably, the release layer 8 is a release paper or a release film.
A manufacturing method of a hollowed-out anti-counterfeiting glass bead type reflective film comprises the following steps:
(1) Coating a PET (polyethylene terephthalate) on the surface of the PET, which is not subjected to corona, with resin to form a surface layer 1, drying the surface layer 1 in an oven at a drying temperature of 60 ℃ for 10 minutes, wherein the thickness of the surface layer 1 after drying is 10 microns;
(2) Coating an adhesive on the surface of the surface layer 1 to form an adhesive layer 2, wherein the coating gap is 115 micrometers, and drying the adhesive layer 2 after coating at 92.5 ℃ for 2.5 minutes;
(3) Flattening the adhesive surface of the dried adhesive layer 2 by using a Teflon anti-sticking roller, then passing through a coating device with a mold roller, arranging small holes on the surface of the mold roller in an array manner, immersing the mold roller into a glue groove of glue, rotating the mold roller, removing the glue on the surface of the mold roller by using a scraper in the rotating process, transferring the glue in the small holes on the surface of the mold roller onto the adhesive layer 2, and then placing the adhesive layer 2 into an oven with the temperature of 82.5 ℃ for drying for 20 seconds, or placing the adhesive layer into a UV curing device for instant curing to form an isolation medium layer 4;
(4) Transferring the glass beads to the adhesive layer 2 through a bead planting device, then placing the glass beads into an oven to be settled, and forming a glass bead layer 3 after settlement, wherein the glass bead layer 3 and the isolation medium layer 4 are positioned on the same layer, the temperature of the oven is 60 ℃, and the drying time of the oven is 50 seconds;
(5) Residual glass beads attached to the isolation medium layer 4 are removed through a dust collection device, and then the glass beads are placed into an oven to cure the adhesive layer 2, wherein the temperature of the oven is 127.5 ℃, and the drying time of the oven is 4 minutes;
(6) Coating resin on the surfaces of the glass bead layer 3 and the isolation medium layer 4 by using a coating machine to form a focus layer 5, wherein the coating gap is 165 micrometers, and drying the focus layer 5 after coating, wherein the drying temperature is 112.5 ℃ and the drying time is 9 minutes;
(7) Carrying out vacuum aluminizing on the product obtained in the step 6, and forming a metal layer 6 on the surface of the focal layer 5;
(8) And forming a release layer 8 by using release paper or release film, coating pressure-sensitive adhesive on the surface of the release layer 8 and forming a pressure-sensitive adhesive layer 7, and bonding the release layer 8 with the metal layer 6 through the pressure-sensitive adhesive layer 7 to obtain the hollowed anti-counterfeiting glass microsphere reflective film.
Preferably, the glass beads have a particle size of 50 microns.
Preferably, the small holes arranged on the surface of the mould roller in an array form characters or patterns.
Example 3
The utility model provides a fretwork anti-fake glass bead formula reflective film, includes from top to bottom top layer 1, gluing agent layer 2, the glass bead layer 3 that the glass bead that the array set up, focus layer 5, metal level 6, pressure sensitive adhesive layer 7, release layer 8, still includes isolation medium layer 4, glass bead layer 3 with isolation medium layer 4 is in through gluing agent layer 2 the top layer 1 below, glass bead layer 3 with isolation medium layer 4 is in the same layer, focus layer 5 cover in glass bead layer 3 with isolation medium layer 4 downside.
Preferably, the surface layer 1 is a weather-resistant transparent resin layer or a transparent polyester film layer.
Preferably, the transparent resin layer is a colored transparent resin layer.
Preferably, the adhesive layer 2 is an acrylic resin or a polyurethane resin or a polyester resin.
Preferably, the adhesive layer 2 is formed by mixing any one of acrylic resin, polyurethane resin or polyester resin with a high transparent pigment.
Preferably, the refractive index of the glass bead layer 3 is 2.23.
Preferably, the depth of the glass beads in the glass bead layer 3 sinking into the adhesive layer 2 is 80% of the particle size of the glass beads.
Preferably, the isolating dielectric layer 4 is made of acrylic resin, vinyl chloride-vinyl acetate copolymer or polyurethane resin, and the thickness of the isolating dielectric layer 4 is 1 micrometer.
Preferably, the focal layer 5 is made of thermosetting acrylic resin or bi-component polyester modified acrylic resin or polyvinyl chloride resin or unsaturated polyester resin or saturated polyester resin or polyurethane resin or polyvinyl butyral resin or vinyl chloride-vinyl acetate copolymer resin or vinyl chloride-vinyl acetate-vinyl alcohol copolymer resin or alkyd resin.
Preferably, the material of the metal layer 6 is aluminum or silver or oxide containing any one of indium, tin and zinc or sulfide containing any one of indium, tin and zinc or magnesium fluoride or calcium fluoride, and the thickness of the metal layer 6 is 0.3 micrometer.
Preferably, the pressure-sensitive adhesive layer 7 is made of acrylic resin, and the thickness of the pressure-sensitive adhesive layer 7 is 30 micrometers.
Preferably, the release layer 8 is a release paper or a release film.
A manufacturing method of a hollowed-out anti-counterfeiting glass bead type reflective film comprises the following steps:
(1) Coating a PET (polyethylene terephthalate) on the surface of the PET, which is not subjected to corona, with resin to form a surface layer 1, drying the surface layer 1 in an oven at a drying temperature of 60 ℃ for 10 minutes, wherein the thickness of the surface layer 1 after drying is 10 microns;
(2) Coating an adhesive on the surface of the surface layer 1 to form an adhesive layer 2, wherein the coating gap is 150 micrometers, and drying the adhesive layer 2 after coating at a drying temperature of 125 ℃ for 2 minutes;
(3) Flattening the adhesive surface of the dried adhesive layer 2 by using a Teflon anti-sticking roller, then passing through a coating device with a mold roller, arranging small holes on the surface of the mold roller in an array manner, immersing the mold roller into a glue groove of glue, rotating the mold roller, removing the glue on the surface of the mold roller by using a scraper in the rotating process, transferring the glue in the small holes on the surface of the mold roller onto the adhesive layer 2, and then placing the adhesive layer 2 into an oven at 105 ℃ for drying for 10 seconds, or placing the adhesive layer into a UV curing device for instantaneous curing to form an isolation medium layer 4;
(4) Transferring the glass beads to the adhesive layer 2 through a bead planting device, then placing the glass beads into an oven to be settled, and forming a glass bead layer 3 after settlement, wherein the glass bead layer 3 and the isolation medium layer 4 are positioned on the same layer, the temperature of the oven is 60 ℃, and the drying time of the oven is 50 seconds;
(5) Residual glass beads attached to the isolation medium layer 4 are removed through a dust collection device, and then the glass beads are placed into an oven to cure the adhesive layer 2, wherein the temperature of the oven is 155 ℃, and the drying time of the oven is 3 minutes;
(6) Coating resin on the surfaces of the glass bead layer 3 and the isolation medium layer 4 by using a coating machine to form a focus layer 5, wherein the coating gap is 250 micrometers, and drying the focus layer 5 after coating, wherein the drying temperature is 165 ℃ and the drying time is 6 minutes;
(7) Carrying out vacuum aluminizing on the product obtained in the step 6, and forming a metal layer 6 on the surface of the focal layer 5;
(8) And forming a release layer 8 by using release paper or release film, coating pressure-sensitive adhesive on the surface of the release layer 8 and forming a pressure-sensitive adhesive layer 7, and bonding the release layer 8 with the metal layer 6 through the pressure-sensitive adhesive layer 7 to obtain the hollowed anti-counterfeiting glass microsphere reflective film.
Preferably, the glass beads have a particle size of 80 microns.
Preferably, the small holes arranged on the surface of the mould roller in an array form characters or patterns.
Example 4
The utility model provides a fretwork anti-fake glass bead formula reflective film, includes from top to bottom top layer 1, gluing agent layer 2, the glass bead layer 3 that the glass bead that the array set up, focus layer 5, metal level 6, pressure sensitive adhesive layer 7, release layer 8, still includes isolation medium layer 4, glass bead layer 3 with isolation medium layer 4 is in through gluing agent layer 2 the top layer 1 below, glass bead layer 3 with isolation medium layer 4 is in the same layer, focus layer 5 cover in glass bead layer 3 with isolation medium layer 4 downside.
Preferably, the surface layer 1 is a weather-resistant transparent resin layer or a transparent polyester film layer.
Preferably, the transparent resin layer is a colored transparent resin layer.
Preferably, the adhesive layer 2 is an acrylic resin or a polyurethane resin or a polyester resin.
Preferably, the adhesive layer 2 is formed by mixing any one of acrylic resin, polyurethane resin or polyester resin with a high transparent pigment.
Preferably, the refractive index of the glass bead layer 3 is 1.91.
Preferably, the depth of the glass beads in the glass bead layer 3 sinking into the adhesive layer 2 is 50% of the particle size of the glass beads.
Preferably, the isolation medium layer 4 is made of acrylic resin, vinyl chloride-vinyl acetate copolymer or polyurethane resin, and the thickness of the isolation medium layer 4 is 3 micrometers.
Preferably, the focal layer 5 is made of thermosetting acrylic resin or bi-component polyester modified acrylic resin or polyvinyl chloride resin or unsaturated polyester resin or saturated polyester resin or polyurethane resin or polyvinyl butyral resin or vinyl chloride-vinyl acetate copolymer resin or vinyl chloride-vinyl acetate-vinyl alcohol copolymer resin or alkyd resin.
Preferably, the material of the metal layer 6 is aluminum or silver or oxide containing any one of indium, tin and zinc or sulfide containing any one of indium, tin and zinc or magnesium fluoride or calcium fluoride, and the thickness of the metal layer 6 is 0.4 micrometer.
Preferably, the pressure-sensitive adhesive layer 7 is made of acrylic resin, and the thickness of the pressure-sensitive adhesive layer 7 is 40 micrometers.
Preferably, the release layer 8 is a release paper or a release film.
A manufacturing method of a hollowed-out anti-counterfeiting glass bead type reflective film comprises the following steps:
(1) Coating a PET (polyethylene terephthalate) on the surface of the PET, which is not subjected to corona, with resin to form a surface layer 1, drying the surface layer 1 in an oven at a drying temperature of 112.5 ℃ for 7.5 minutes, wherein the thickness of the surface layer 1 after drying is 40 microns;
(2) Coating an adhesive on the surface of the surface layer 1 to form an adhesive layer 2, wherein the coating gap is 150 micrometers, and drying the adhesive layer 2 after coating at a drying temperature of 60 ℃ for 3 minutes;
(3) Flattening the adhesive surface of the dried adhesive layer 2 by using a Teflon anti-sticking roller, then passing through a coating device with a mold roller, arranging small holes on the surface of the mold roller in an array manner, immersing the mold roller into a glue groove of glue, rotating the mold roller, removing the glue on the surface of the mold roller by using a scraper in the rotating process, transferring the glue in the small holes on the surface of the mold roller onto the adhesive layer 2, and then placing the adhesive layer into an oven at the temperature of 60 ℃ for drying for 30 seconds, or placing the adhesive layer into a UV curing device for instantaneous curing to form an isolation medium layer 4;
(4) Transferring the glass beads to the adhesive layer 2 through a bead planting device, then placing the glass beads into an oven to be settled, and forming a glass bead layer 3 after settlement, wherein the glass bead layer 3 and the isolation medium layer 4 are positioned on the same layer, the temperature of the oven is 82.5 ℃, and the drying time of the oven is 40 seconds;
(5) Residual glass beads attached to the isolation medium layer 4 are removed through a dust collection device, and then the glass beads are placed into an oven to cure the adhesive layer 2, wherein the temperature of the oven is 100 ℃, and the drying time of the oven is 5 minutes;
(6) Coating resin on the surfaces of the glass bead layer 3 and the isolation medium layer 4 by using a coating machine to form a focus layer 5, wherein the coating gap is 80 microns, and drying the focus layer 5 after coating, wherein the drying temperature is 60 ℃ and the drying time is 12 minutes;
(7) Carrying out vacuum aluminizing on the product obtained in the step 6, and forming a metal layer 6 on the surface of the focal layer 5;
(8) And forming a release layer 8 by using release paper or release film, coating pressure-sensitive adhesive on the surface of the release layer 8 and forming a pressure-sensitive adhesive layer 7, and bonding the release layer 8 with the metal layer 6 through the pressure-sensitive adhesive layer 7 to obtain the hollowed anti-counterfeiting glass microsphere reflective film.
Preferably, the glass beads have a particle size of 20 microns.
Preferably, the small holes arranged on the surface of the mould roller in an array form characters or patterns.
Example 5
The utility model provides a fretwork anti-fake glass bead formula reflective film, includes from top to bottom top layer 1, gluing agent layer 2, the glass bead layer 3 that the glass bead that the array set up, focus layer 5, metal level 6, pressure sensitive adhesive layer 7, release layer 8, still includes isolation medium layer 4, glass bead layer 3 with isolation medium layer 4 is in through gluing agent layer 2 the top layer 1 below, glass bead layer 3 with isolation medium layer 4 is in the same layer, focus layer 5 cover in glass bead layer 3 with isolation medium layer 4 downside.
Preferably, the surface layer 1 is a weather-resistant transparent resin layer or a transparent polyester film layer.
Preferably, the transparent resin layer is a colored transparent resin layer.
Preferably, the adhesive layer 2 is an acrylic resin or a polyurethane resin or a polyester resin.
Preferably, the adhesive layer 2 is formed by mixing any one of acrylic resin, polyurethane resin or polyester resin with a high transparent pigment.
Preferably, the refractive index of the glass bead layer 3 is 2.07.
Preferably, the depth of the glass beads in the glass bead layer 3 sinking into the adhesive layer 2 is 65% of the particle size of the glass beads.
Preferably, the isolation medium layer 4 is made of acrylic resin, vinyl chloride-vinyl acetate copolymer or polyurethane resin, and the thickness of the isolation medium layer 4 is 3 micrometers.
Preferably, the focal layer 5 is made of thermosetting acrylic resin or bi-component polyester modified acrylic resin or polyvinyl chloride resin or unsaturated polyester resin or saturated polyester resin or polyurethane resin or polyvinyl butyral resin or vinyl chloride-vinyl acetate copolymer resin or vinyl chloride-vinyl acetate-vinyl alcohol copolymer resin or alkyd resin.
Preferably, the material of the metal layer 6 is aluminum or silver or oxide containing any one of indium, tin and zinc or sulfide containing any one of indium, tin and zinc or magnesium fluoride or calcium fluoride, and the thickness of the metal layer 6 is 0.4 micrometer.
Preferably, the pressure-sensitive adhesive layer 7 is made of acrylic resin, and the thickness of the pressure-sensitive adhesive layer 7 is 40 micrometers.
Preferably, the release layer 8 is a release paper or a release film.
A manufacturing method of a hollowed-out anti-counterfeiting glass bead type reflective film comprises the following steps:
(1) Coating a PET (polyethylene terephthalate) on the surface of the PET, which is not subjected to corona, with resin to form a surface layer 1, drying the surface layer 1 in an oven at a drying temperature of 112.5 ℃ for 7.5 minutes, wherein the thickness of the surface layer 1 after drying is 40 microns;
(2) Coating an adhesive on the surface of the surface layer 1 to form an adhesive layer 2, wherein the coating gap is 150 micrometers, and drying the adhesive layer 2 after coating at 92.5 ℃ for 2.5 minutes;
(3) Flattening the adhesive surface of the dried adhesive layer 2 by using a Teflon anti-sticking roller, then passing through a coating device with a mold roller, arranging small holes on the surface of the mold roller in an array manner, immersing the mold roller into a glue groove of glue, rotating the mold roller, removing the glue on the surface of the mold roller by using a scraper in the rotating process, transferring the glue in the small holes on the surface of the mold roller onto the adhesive layer 2, and then placing the adhesive layer 2 into an oven with the temperature of 82.5 ℃ for drying for 20 seconds, or placing the adhesive layer into a UV curing device for instant curing to form an isolation medium layer 4;
(4) Transferring the glass beads to the adhesive layer 2 through a bead planting device, then placing the glass beads into an oven to be settled, and forming a glass bead layer 3 after settlement, wherein the glass bead layer 3 and the isolation medium layer 4 are positioned on the same layer, the temperature of the oven is 82.5 ℃, and the drying time of the oven is 40 seconds;
(5) Residual glass beads attached to the isolation medium layer 4 are removed through a dust collection device, and then the glass beads are placed into an oven to cure the adhesive layer 2, wherein the temperature of the oven is 127.5 ℃, and the drying time of the oven is 4 minutes;
(6) Coating resin on the surfaces of the glass bead layer 3 and the isolation medium layer 4 by using a coating machine to form a focus layer 5, wherein the coating gap is 165 micrometers, and drying the focus layer 5 after coating, wherein the drying temperature is 112.5 ℃ and the drying time is 9 minutes;
(7) Carrying out vacuum aluminizing on the product obtained in the step 6, and forming a metal layer 6 on the surface of the focal layer 5;
(8) And forming a release layer 8 by using release paper or release film, coating pressure-sensitive adhesive on the surface of the release layer 8 and forming a pressure-sensitive adhesive layer 7, and bonding the release layer 8 with the metal layer 6 through the pressure-sensitive adhesive layer 7 to obtain the hollowed anti-counterfeiting glass microsphere reflective film.
Preferably, the glass beads have a particle size of 50 microns.
Preferably, the small holes arranged on the surface of the mould roller in an array form characters or patterns.
Example 6
The utility model provides a fretwork anti-fake glass bead formula reflective film, includes from top to bottom top layer 1, gluing agent layer 2, the glass bead layer 3 that the glass bead that the array set up, focus layer 5, metal level 6, pressure sensitive adhesive layer 7, release layer 8, still includes isolation medium layer 4, glass bead layer 3 with isolation medium layer 4 is in through gluing agent layer 2 the top layer 1 below, glass bead layer 3 with isolation medium layer 4 is in the same layer, focus layer 5 cover in glass bead layer 3 with isolation medium layer 4 downside.
Preferably, the surface layer 1 is a weather-resistant transparent resin layer or a transparent polyester film layer.
Preferably, the transparent resin layer is a colored transparent resin layer.
Preferably, the adhesive layer 2 is an acrylic resin or a polyurethane resin or a polyester resin.
Preferably, the adhesive layer 2 is formed by mixing any one of acrylic resin, polyurethane resin or polyester resin with a high transparent pigment.
Preferably, the refractive index of the glass bead layer 3 is 2.23.
Preferably, the depth of the glass beads in the glass bead layer 3 sinking into the adhesive layer 2 is 80% of the particle size of the glass beads.
Preferably, the isolation medium layer 4 is made of acrylic resin, vinyl chloride-vinyl acetate copolymer or polyurethane resin, and the thickness of the isolation medium layer 4 is 3 micrometers.
Preferably, the focal layer 5 is made of thermosetting acrylic resin or bi-component polyester modified acrylic resin or polyvinyl chloride resin or unsaturated polyester resin or saturated polyester resin or polyurethane resin or polyvinyl butyral resin or vinyl chloride-vinyl acetate copolymer resin or vinyl chloride-vinyl acetate-vinyl alcohol copolymer resin or alkyd resin.
Preferably, the material of the metal layer 6 is aluminum or silver or oxide containing any one of indium, tin and zinc or sulfide containing any one of indium, tin and zinc or magnesium fluoride or calcium fluoride, and the thickness of the metal layer 6 is 0.4 micrometer.
Preferably, the pressure-sensitive adhesive layer 7 is made of acrylic resin, and the thickness of the pressure-sensitive adhesive layer 7 is 40 micrometers.
Preferably, the release layer 8 is a release paper or a release film.
A manufacturing method of a hollowed-out anti-counterfeiting glass bead type reflective film comprises the following steps:
(1) Coating a PET (polyethylene terephthalate) on the surface of the PET, which is not subjected to corona, with resin to form a surface layer 1, drying the surface layer 1 in an oven at a drying temperature of 112.5 ℃ for 7.5 minutes, wherein the thickness of the surface layer 1 after drying is 40 microns;
(2) Coating an adhesive on the surface of the surface layer 1 to form an adhesive layer 2, wherein the coating gap is 150 micrometers, and drying the adhesive layer 2 after coating at a drying temperature of 125 ℃ for 2 minutes;
(3) Flattening the adhesive surface of the dried adhesive layer 2 by using a Teflon anti-sticking roller, then passing through a coating device with a mold roller, arranging small holes on the surface of the mold roller in an array manner, immersing the mold roller into a glue groove of glue, rotating the mold roller, removing the glue on the surface of the mold roller by using a scraper in the rotating process, transferring the glue in the small holes on the surface of the mold roller onto the adhesive layer 2, and then placing the adhesive layer 2 into an oven at 105 ℃ for drying for 10 seconds, or placing the adhesive layer into a UV curing device for instantaneous curing to form an isolation medium layer 4;
(4) Transferring the glass beads to the adhesive layer 2 through a bead planting device, then placing the glass beads into an oven to be settled, and forming a glass bead layer 3 after settlement, wherein the glass bead layer 3 and the isolation medium layer 4 are positioned on the same layer, the temperature of the oven is 82.5 ℃, and the drying time of the oven is 40 seconds;
(5) Residual glass beads attached to the isolation medium layer 4 are removed through a dust collection device, and then the glass beads are placed into an oven to cure the adhesive layer 2, wherein the temperature of the oven is 155 ℃, and the drying time of the oven is 3 minutes;
(6) Coating resin on the surfaces of the glass bead layer 3 and the isolation medium layer 4 by using a coating machine to form a focus layer 5, wherein the coating gap is 250 micrometers, and drying the focus layer 5 after coating, wherein the drying temperature is 165 ℃ and the drying time is 6 minutes;
(7) Carrying out vacuum aluminizing on the product obtained in the step 6, and forming a metal layer 6 on the surface of the focal layer 5;
(8) And forming a release layer 8 by using release paper or release film, coating pressure-sensitive adhesive on the surface of the release layer 8 and forming a pressure-sensitive adhesive layer 7, and bonding the release layer 8 with the metal layer 6 through the pressure-sensitive adhesive layer 7 to obtain the hollowed anti-counterfeiting glass microsphere reflective film.
Preferably, the glass beads have a particle size of 80 microns.
Preferably, the small holes arranged on the surface of the mould roller in an array form characters or patterns.
Example 7
The utility model provides a fretwork anti-fake glass bead formula reflective film, includes from top to bottom top layer 1, gluing agent layer 2, the glass bead layer 3 that the glass bead that the array set up, focus layer 5, metal level 6, pressure sensitive adhesive layer 7, release layer 8, still includes isolation medium layer 4, glass bead layer 3 with isolation medium layer 4 is in through gluing agent layer 2 the top layer 1 below, glass bead layer 3 with isolation medium layer 4 is in the same layer, focus layer 5 cover in glass bead layer 3 with isolation medium layer 4 downside.
Preferably, the surface layer 1 is a weather-resistant transparent resin layer or a transparent polyester film layer.
Preferably, the transparent resin layer is a colored transparent resin layer.
Preferably, the adhesive layer 2 is an acrylic resin or a polyurethane resin or a polyester resin.
Preferably, the adhesive layer 2 is formed by mixing any one of acrylic resin, polyurethane resin or polyester resin with a high transparent pigment.
Preferably, the refractive index of the glass bead layer 3 is 1.91.
Preferably, the depth of the glass beads in the glass bead layer 3 sinking into the adhesive layer 2 is 50% of the particle size of the glass beads.
Preferably, the isolation medium layer 4 is made of acrylic resin, vinyl chloride-vinyl acetate copolymer or polyurethane resin, and the thickness of the isolation medium layer 4 is 5 micrometers.
Preferably, the focal layer 5 is made of thermosetting acrylic resin or bi-component polyester modified acrylic resin or polyvinyl chloride resin or unsaturated polyester resin or saturated polyester resin or polyurethane resin or polyvinyl butyral resin or vinyl chloride-vinyl acetate copolymer resin or vinyl chloride-vinyl acetate-vinyl alcohol copolymer resin or alkyd resin.
Preferably, the material of the metal layer 6 is aluminum or silver or oxide containing any one of indium, tin and zinc or sulfide containing any one of indium, tin and zinc or magnesium fluoride or calcium fluoride, and the thickness of the metal layer 6 is 0.5 micrometer.
Preferably, the pressure-sensitive adhesive layer 7 is made of acrylic resin, and the thickness of the pressure-sensitive adhesive layer 7 is 50 micrometers.
Preferably, the release layer 8 is a release paper or a release film.
A manufacturing method of a hollowed-out anti-counterfeiting glass bead type reflective film comprises the following steps:
(1) Coating a PET (polyethylene terephthalate) on the surface of the PET, which is not subjected to corona, with resin to form a surface layer 1, drying the surface layer 1 in an oven at 165 ℃ for 5 minutes, wherein the thickness of the surface layer 1 after drying is 70 microns;
(2) Coating an adhesive on the surface of the surface layer 1 to form an adhesive layer 2, wherein the coating gap is 150 micrometers, and drying the adhesive layer 2 after coating at a drying temperature of 60 ℃ for 3 minutes;
(3) Flattening the adhesive surface of the dried adhesive layer 2 by using a Teflon anti-sticking roller, then passing through a coating device with a mold roller, arranging small holes on the surface of the mold roller in an array manner, immersing the mold roller into a glue groove of glue, rotating the mold roller, removing the glue on the surface of the mold roller by using a scraper in the rotating process, transferring the glue in the small holes on the surface of the mold roller onto the adhesive layer 2, and then placing the adhesive layer into an oven at the temperature of 60 ℃ for drying for 30 seconds, or placing the adhesive layer into a UV curing device for instantaneous curing to form an isolation medium layer 4;
(4) Transferring the glass beads to the adhesive layer 2 through a bead planting device, then placing the glass beads into an oven to be settled, and forming a glass bead layer 3 after settlement, wherein the glass bead layer 3 and the isolation medium layer 4 are positioned on the same layer, the temperature of the oven is 105 ℃, and the drying time of the oven is 30 seconds;
(5) Residual glass beads attached to the isolation medium layer 4 are removed through a dust collection device, and then the glass beads are placed into an oven to cure the adhesive layer 2, wherein the temperature of the oven is 100 ℃, and the drying time of the oven is 5 minutes;
(6) Coating resin on the surfaces of the glass bead layer 3 and the isolation medium layer 4 by using a coating machine to form a focus layer 5, wherein the coating gap is 80 microns, and drying the focus layer 5 after coating, wherein the drying temperature is 60 ℃ and the drying time is 12 minutes;
(7) Carrying out vacuum aluminizing on the product obtained in the step 6, and forming a metal layer 6 on the surface of the focal layer 5;
(8) And forming a release layer 8 by using release paper or release film, coating pressure-sensitive adhesive on the surface of the release layer 8 and forming a pressure-sensitive adhesive layer 7, and bonding the release layer 8 with the metal layer 6 through the pressure-sensitive adhesive layer 7 to obtain the hollowed anti-counterfeiting glass microsphere reflective film.
Preferably, the glass beads have a particle size of 20 microns.
Preferably, the small holes arranged on the surface of the mould roller in an array form characters or patterns.
Example 8
The utility model provides a fretwork anti-fake glass bead formula reflective film, includes from top to bottom top layer 1, gluing agent layer 2, the glass bead layer 3 that the glass bead that the array set up, focus layer 5, metal level 6, pressure sensitive adhesive layer 7, release layer 8, still includes isolation medium layer 4, glass bead layer 3 with isolation medium layer 4 is in through gluing agent layer 2 the top layer 1 below, glass bead layer 3 with isolation medium layer 4 is in the same layer, focus layer 5 cover in glass bead layer 3 with isolation medium layer 4 downside.
Preferably, the surface layer 1 is a weather-resistant transparent resin layer or a transparent polyester film layer.
Preferably, the transparent resin layer is a colored transparent resin layer.
Preferably, the adhesive layer 2 is an acrylic resin or a polyurethane resin or a polyester resin.
Preferably, the adhesive layer 2 is formed by mixing any one of acrylic resin, polyurethane resin or polyester resin with a high transparent pigment.
Preferably, the refractive index of the glass bead layer 3 is 2.07.
Preferably, the depth of the glass beads in the glass bead layer 3 sinking into the adhesive layer 2 is 65% of the particle size of the glass beads.
Preferably, the isolation medium layer 4 is made of acrylic resin, vinyl chloride-vinyl acetate copolymer or polyurethane resin, and the thickness of the isolation medium layer 4 is 5 micrometers.
Preferably, the focal layer 5 is made of thermosetting acrylic resin or bi-component polyester modified acrylic resin or polyvinyl chloride resin or unsaturated polyester resin or saturated polyester resin or polyurethane resin or polyvinyl butyral resin or vinyl chloride-vinyl acetate copolymer resin or vinyl chloride-vinyl acetate-vinyl alcohol copolymer resin or alkyd resin.
Preferably, the material of the metal layer 6 is aluminum or silver or oxide containing any one of indium, tin and zinc or sulfide containing any one of indium, tin and zinc or magnesium fluoride or calcium fluoride, and the thickness of the metal layer 6 is 0.5 micrometer.
Preferably, the pressure-sensitive adhesive layer 7 is made of acrylic resin, and the thickness of the pressure-sensitive adhesive layer 7 is 50 micrometers.
Preferably, the release layer 8 is a release paper or a release film.
A manufacturing method of a hollowed-out anti-counterfeiting glass bead type reflective film comprises the following steps:
(1) Coating a PET (polyethylene terephthalate) on the surface of the PET, which is not subjected to corona, with resin to form a surface layer 1, drying the surface layer 1 in an oven at 165 ℃ for 5 minutes, wherein the thickness of the surface layer 1 after drying is 70 microns;
(2) Coating an adhesive on the surface of the surface layer 1 to form an adhesive layer 2, wherein the coating gap is 150 micrometers, and drying the adhesive layer 2 after coating at 92.5 ℃ for 2.5 minutes;
(3) Flattening the adhesive surface of the dried adhesive layer 2 by using a Teflon anti-sticking roller, then passing through a coating device with a mold roller, arranging small holes on the surface of the mold roller in an array manner, immersing the mold roller into a glue groove of glue, rotating the mold roller, removing the glue on the surface of the mold roller by using a scraper in the rotating process, transferring the glue in the small holes on the surface of the mold roller onto the adhesive layer 2, and then placing the adhesive layer 2 into an oven with the temperature of 82.5 ℃ for drying for 20 seconds, or placing the adhesive layer into a UV curing device for instant curing to form an isolation medium layer 4;
(4) Transferring the glass beads to the adhesive layer 2 through a bead planting device, then placing the glass beads into an oven to be settled, and forming a glass bead layer 3 after settlement, wherein the glass bead layer 3 and the isolation medium layer 4 are positioned on the same layer, the temperature of the oven is 105 ℃, and the drying time of the oven is 30 seconds;
(5) Residual glass beads attached to the isolation medium layer 4 are removed through a dust collection device, and then the glass beads are placed into an oven to cure the adhesive layer 2, wherein the temperature of the oven is 127.5 ℃, and the drying time of the oven is 4 minutes;
(6) Coating resin on the surfaces of the glass bead layer 3 and the isolation medium layer 4 by using a coating machine to form a focus layer 5, wherein the coating gap is 165 micrometers, and drying the focus layer 5 after coating, wherein the drying temperature is 112.5 ℃ and the drying time is 9 minutes;
(7) Carrying out vacuum aluminizing on the product obtained in the step 6, and forming a metal layer 6 on the surface of the focal layer 5;
(8) And forming a release layer 8 by using release paper or release film, coating pressure-sensitive adhesive on the surface of the release layer 8 and forming a pressure-sensitive adhesive layer 7, and bonding the release layer 8 with the metal layer 6 through the pressure-sensitive adhesive layer 7 to obtain the hollowed anti-counterfeiting glass microsphere reflective film.
Preferably, the glass beads have a particle size of 50 microns.
Preferably, the small holes arranged on the surface of the mould roller in an array form characters or patterns.
Example 9
The utility model provides a fretwork anti-fake glass bead formula reflective film, includes from top to bottom top layer 1, gluing agent layer 2, the glass bead layer 3 that the glass bead that the array set up, focus layer 5, metal level 6, pressure sensitive adhesive layer 7, release layer 8, still includes isolation medium layer 4, glass bead layer 3 with isolation medium layer 4 is in through gluing agent layer 2 the top layer 1 below, glass bead layer 3 with isolation medium layer 4 is in the same layer, focus layer 5 cover in glass bead layer 3 with isolation medium layer 4 downside.
Preferably, the surface layer 1 is a weather-resistant transparent resin layer or a transparent polyester film layer.
Preferably, the transparent resin layer is a colored transparent resin layer.
Preferably, the adhesive layer 2 is an acrylic resin or a polyurethane resin or a polyester resin.
Preferably, the adhesive layer 2 is formed by mixing any one of acrylic resin, polyurethane resin or polyester resin with a high transparent pigment.
Preferably, the refractive index of the glass bead layer 3 is 2.23.
Preferably, the depth of the glass beads in the glass bead layer 3 sinking into the adhesive layer 2 is 80% of the particle size of the glass beads.
Preferably, the isolation medium layer 4 is made of acrylic resin, vinyl chloride-vinyl acetate copolymer or polyurethane resin, and the thickness of the isolation medium layer 4 is 5 micrometers.
Preferably, the focal layer 5 is made of thermosetting acrylic resin or bi-component polyester modified acrylic resin or polyvinyl chloride resin or unsaturated polyester resin or saturated polyester resin or polyurethane resin or polyvinyl butyral resin or vinyl chloride-vinyl acetate copolymer resin or vinyl chloride-vinyl acetate-vinyl alcohol copolymer resin or alkyd resin.
Preferably, the material of the metal layer 6 is aluminum or silver or oxide containing any one of indium, tin and zinc or sulfide containing any one of indium, tin and zinc or magnesium fluoride or calcium fluoride, and the thickness of the metal layer 6 is 0.5 micrometer.
Preferably, the pressure-sensitive adhesive layer 7 is made of acrylic resin, and the thickness of the pressure-sensitive adhesive layer 7 is 50 micrometers.
Preferably, the release layer 8 is a release paper or a release film.
A manufacturing method of a hollowed-out anti-counterfeiting glass bead type reflective film comprises the following steps:
(1) Coating a PET (polyethylene terephthalate) on the surface of the PET, which is not subjected to corona, with resin to form a surface layer 1, drying the surface layer 1 in an oven at 165 ℃ for 5 minutes, wherein the thickness of the surface layer 1 after drying is 70 microns;
(2) Coating an adhesive on the surface of the surface layer 1 to form an adhesive layer 2, wherein the coating gap is 150 micrometers, and drying the adhesive layer 2 after coating at a drying temperature of 125 ℃ for 2 minutes;
(3) Flattening the adhesive surface of the dried adhesive layer 2 by using a Teflon anti-sticking roller, then passing through a coating device with a mold roller, arranging small holes on the surface of the mold roller in an array manner, immersing the mold roller into a glue groove of glue, rotating the mold roller, removing the glue on the surface of the mold roller by using a scraper in the rotating process, transferring the glue in the small holes on the surface of the mold roller onto the adhesive layer 2, and then placing the adhesive layer 2 into an oven at 105 ℃ for drying for 10 seconds, or placing the adhesive layer into a UV curing device for instantaneous curing to form an isolation medium layer 4;
(4) Transferring the glass beads to the adhesive layer 2 through a bead planting device, then placing the glass beads into an oven to be settled, and forming a glass bead layer 3 after settlement, wherein the glass bead layer 3 and the isolation medium layer 4 are positioned on the same layer, the temperature of the oven is 105 ℃, and the drying time of the oven is 30 seconds;
(5) Residual glass beads attached to the isolation medium layer 4 are removed through a dust collection device, and then the glass beads are placed into an oven to cure the adhesive layer 2, wherein the temperature of the oven is 155 ℃, and the drying time of the oven is 3 minutes;
(6) Coating resin on the surfaces of the glass bead layer 3 and the isolation medium layer 4 by using a coating machine to form a focus layer 5, wherein the coating gap is 250 micrometers, and drying the focus layer 5 after coating, wherein the drying temperature is 165 ℃ and the drying time is 6 minutes;
(7) Carrying out vacuum aluminizing on the product obtained in the step 6, and forming a metal layer 6 on the surface of the focal layer 5;
(8) And forming a release layer 8 by using release paper or release film, coating pressure-sensitive adhesive on the surface of the release layer 8 and forming a pressure-sensitive adhesive layer 7, and bonding the release layer 8 with the metal layer 6 through the pressure-sensitive adhesive layer 7 to obtain the hollowed anti-counterfeiting glass microsphere reflective film.
Preferably, the glass beads have a particle size of 80 microns.
Preferably, the small holes arranged on the surface of the mould roller in an array form characters or patterns.
In summary, the foregoing description is only of the preferred embodiments of the present invention, and all equivalent changes and modifications that come within the scope of the present invention are desired to be covered thereby.

Claims (14)

1. The utility model provides a preparation method of fretwork anti-fake glass bead formula reflective film, includes from top to bottom top layer (1), gluing agent layer (2), glass bead layer (3), focus layer (5), metal layer (6), pressure sensitive adhesive layer (7), release layer (8) that glass bead that the array set up formed, its characterized in that: the glass bead layer (3) and the isolation medium layer (4) are adhered below the surface layer (1) through the adhesive layer (2), the glass bead layer (3) and the isolation medium layer (4) are positioned on the same layer, and the focus layer (5) covers the lower sides of the glass bead layer (3) and the isolation medium layer (4);
the manufacturing method comprises the following steps:
(1) Coating resin on the surface of the PET, which is not corona, to form a surface layer (1), drying the surface layer (1) in an oven at 60-165 ℃ for 5-10 minutes, wherein the thickness of the surface layer (1) is 10-70 microns after drying;
(2) Coating an adhesive on the surface of the surface layer (1) to form an adhesive layer (2), wherein the coating gap is 80-150 microns, and drying the adhesive layer (2) after coating at the drying temperature of 60-125 ℃ for 2-3 minutes;
(3) Flattening the adhesive surface of the dried adhesive layer (2) through a Teflon anti-sticking roller, then passing through a coating device with a mold roller, arranging small holes on the surface of the mold roller in an array manner, immersing the mold roller into a glue groove of glue, rotating the mold roller, removing the glue on the surface of the mold roller by a scraper in the rotating process, transferring the glue in the small holes on the surface of the mold roller onto the adhesive layer (2), and then drying in an oven at the temperature of 60-105 ℃ for 10-30 seconds or instantly curing in a UV curing device to form an isolation medium layer (4);
(4) Transferring the glass beads to an adhesive layer (2) through a bead planting device, then placing the glass beads into an oven to be settled, and forming a glass bead layer (3) after settlement, wherein the glass bead layer (3) and an isolation medium layer (4) are positioned on the same layer, the temperature of the oven is 60-105 ℃, and the drying time of the oven is 30-50 seconds;
(5) Residual glass beads attached to the isolation medium layer (4) are removed through a dust collection device, and then the glass beads are placed into an oven to cure the adhesive layer (2), wherein the temperature of the oven is 100-155 ℃, and the drying time of the oven is 3-5 minutes;
(6) Coating resin on the surfaces of the glass bead layer (3) and the isolation medium layer (4) through a coating machine to form a focus layer (5), wherein a coating gap is 80-250 micrometers, and drying the focus layer (5) after coating, wherein the drying temperature is 60-165 ℃ and the drying time is 6-12 minutes;
(7) Carrying out vacuum aluminizing on the product obtained in the step (6), and forming a metal layer (6) on the surface of the focus layer (5);
(8) And forming a release layer (8) by using release paper or release film, coating pressure-sensitive adhesive on the surface of the release layer (8) and forming a pressure-sensitive adhesive layer (7), and adhering the release layer (8) with the metal layer (6) through the pressure-sensitive adhesive layer (7) to obtain the hollowed anti-counterfeiting glass microsphere type reflective film.
2. The method for manufacturing the hollowed-out anti-counterfeiting glass bead type reflective film according to claim 1, which is characterized by comprising the following steps: the surface layer (1) is a weather-resistant transparent resin layer or a transparent polyester film layer.
3. The method for manufacturing the hollowed-out anti-counterfeiting glass bead type reflective film according to claim 2, which is characterized in that: the transparent resin layer is a colored transparent resin layer.
4. The method for manufacturing the hollowed-out anti-counterfeiting glass bead type reflective film according to claim 1, which is characterized by comprising the following steps: the adhesive layer (2) is acrylic resin or polyurethane resin or polyester resin.
5. The method for manufacturing the hollowed-out anti-counterfeiting glass bead type reflective film according to claim 4, which is characterized in that: the adhesive layer (2) is formed by mixing any one of acrylic resin, polyurethane resin or polyester resin with high transparent pigment.
6. The method for manufacturing the hollowed-out anti-counterfeiting glass bead type reflective film according to claim 1, which is characterized by comprising the following steps: the refractive index of the glass bead layer (3) is 1.91-2.23.
7. The method for manufacturing the hollowed-out anti-counterfeiting glass bead type reflective film according to claim 1, which is characterized by comprising the following steps: the depth of the glass beads in the glass bead layer (3) sunk into the adhesive layer (2) is 50-80% of the particle size of the glass beads.
8. The method for manufacturing the hollowed-out anti-counterfeiting glass bead type reflective film according to claim 1, which is characterized by comprising the following steps: the isolation medium layer (4) is made of acrylic resin, vinyl chloride-vinyl acetate copolymer or polyurethane resin, and the thickness of the isolation medium layer (4) is 1-5 microns.
9. The method for manufacturing the hollowed-out anti-counterfeiting glass bead type reflective film according to claim 1, which is characterized by comprising the following steps: the focal layer (5) is made of thermosetting acrylic resin or bi-component polyester modified acrylic resin or polyvinyl chloride resin or unsaturated polyester resin or saturated polyester resin or polyurethane resin or polyvinyl butyral resin or vinyl chloride-vinyl acetate copolymer resin or vinyl chloride-vinyl acetate-vinyl alcohol copolymer resin or alkyd resin.
10. The method for manufacturing the hollowed-out anti-counterfeiting glass bead type reflective film according to claim 1, which is characterized by comprising the following steps: the metal layer (6) is made of aluminum or silver or oxide containing any one of indium, tin and zinc or sulfide containing any one of indium, tin and zinc or magnesium fluoride or calcium fluoride, and the thickness of the metal layer (6) is 0.3-0.5 microns.
11. The method for manufacturing the hollowed-out anti-counterfeiting glass bead type reflective film according to claim 1, which is characterized by comprising the following steps: the pressure-sensitive adhesive layer (7) is made of acrylic resin, and the thickness of the pressure-sensitive adhesive layer (7) is 30-50 microns.
12. The method for manufacturing the hollowed-out anti-counterfeiting glass bead type reflective film according to claim 1, which is characterized by comprising the following steps: the release layer (8) is release paper or release film.
13. The method for manufacturing the hollowed-out anti-counterfeiting glass bead type reflective film according to claim 1, which is characterized by comprising the following steps: the particle size of the glass beads is 20-80 microns.
14. The method for manufacturing the hollowed-out anti-counterfeiting glass bead type reflective film according to claim 1, which is characterized by comprising the following steps: the small holes arranged on the surface of the mould roller in an array form characters or patterns.
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