CN111231449A - Film pasting method for metal plate - Google Patents
Film pasting method for metal plate Download PDFInfo
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- CN111231449A CN111231449A CN202010046072.5A CN202010046072A CN111231449A CN 111231449 A CN111231449 A CN 111231449A CN 202010046072 A CN202010046072 A CN 202010046072A CN 111231449 A CN111231449 A CN 111231449A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—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 metal, e.g. car bodies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/57—Three layers or more the last layer being a clear coat
- B05D7/574—Three layers or more the last layer being a clear coat at least some layers being let to dry at least partially before applying the next layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2451/00—Type of carrier, type of coating (Multilayers)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2503/00—Polyurethanes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2504/00—Epoxy polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/06—Coating on the layer surface on metal layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Laminated Bodies (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The application discloses a film pasting method for a metal plate, which comprises the following steps: coating a first primer layer on the surface to be filmed of the metal plate; coating a middle paint layer on the surface of one side, far away from the metal plate, of the first primer layer; coating a surface paint layer on the surface of one side of the middle paint layer, which is far away from the metal plate; and sticking the sticking film to be stuck on the surface of one side of the surface paint layer, which is far away from the middle paint layer. When the metal plate is subjected to film pasting, the first primer layer, the middle paint layer and the finish paint layer are sequentially coated on the metal plate, then the to-be-pasted film is attached to one side surface of the finish paint layer, which is far away from the middle paint layer, and when the metal plate deforms, the first primer layer, the middle paint layer and the finish paint layer can buffer the tension of the metal plate deformation, so that the deformation of the advertisement film is reduced, and the advertisement film is prevented from peeling or falling off after being pasted for a period of time.
Description
Technical Field
The application relates to the technical field of film pasting, in particular to a film pasting method for a metal plate.
Background
People often directly paste the advertisement pad pasting on sheet metal on the surface of sheet metal when carrying out the advertisement pad pasting on sheet metal, because the particularity on sheet metal surface, expend with heat and contract with cold, when corresponding different temperatures, the deformation that sheet metal surface produced is bigger, and the advertisement pad pasting warp lessly, so the pad pasting is peeled off or drops easily a period of time after pasting.
In view of the above, overcoming the deficiencies of the prior art is an urgent problem in the art.
Disclosure of Invention
The technical problem that this application mainly solved provides a sheet metal's pad pasting method, this pad pasting method is when the pad pasting on sheet metal, first priming paint layer, after well lacquer layer and finish paint layer coat in proper order on sheet metal earlier, will wait to paste the pad pasting and attach in the side surface that the finish paint layer kept away from well lacquer layer, when sheet metal takes place deformation, first priming paint layer, well lacquer layer and finish paint layer can cushion the tension of sheet metal deformation to reduce the deformation of advertisement pad pasting, avoid advertisement pad pasting to peel or drop at a period after pasting.
In order to solve the technical problem, the application adopts a technical scheme that: the film pasting method for the metal plate comprises the following steps:
coating a first primer layer on the surface to be filmed of the metal plate;
coating a middle paint layer on the surface of one side, away from the metal sheet, of the first primer layer;
coating a finishing paint layer on the surface of one side, away from the metal plate, of the middle paint layer;
and sticking the sticking film to be stuck on the surface of one side of the surface paint layer, which is far away from the middle paint layer.
Wherein, the coating of the first primer layer on the surface to be filmed of the metal plate comprises the following steps:
polishing the surface to be filmed of the metal plate to ensure that the surface roughness range of the surface to be filmed of the metal plate is 3.2-12.5 microns;
and coating the first primer layer on the surface to be filmed of the polished metal plate.
Wherein, to wait to pad pasting surface of sheet metal polishes, includes:
and polishing the surface to be filmed of the metal plate by a sand blasting process.
Wherein, the surface of one side of the first primer layer far away from the metal sheet is coated with a primer layer, and the primer layer comprises:
drying the first primer layer;
polishing the surface of one side, far away from the metal plate, of the first primer layer after drying treatment so as to polish the first primer layer after drying treatment to a first preset thickness, wherein the first preset thickness is not lower than 60 micrometers;
and coating a middle paint layer on the surface of one side of the first primer layer away from the metal plate after polishing.
Wherein, the surface of one side of the first primer layer far away from the metal plate after polishing is coated with a primer layer, and the primer layer comprises:
coating a leveling putty layer on the surface of one side, away from the metal plate, of the first primer layer after polishing;
drying the leveling putty layer;
polishing the surface of one side, away from the metal plate, of the leveling putty layer after drying treatment;
and coating the middle paint layer on the surface of one side of the polished leveling putty layer, which is far away from the metal plate.
Wherein, after polishing the putty layer of making level keep away from on the surface of one side of sheet metal the coating intermediate coat layer includes:
coating a second primer layer on the surface of one side, away from the metal plate, of the polished leveling putty layer;
drying the second primer layer;
polishing the surface of one side, far away from the metal plate, of the second primer layer after drying treatment so as to polish the second primer layer after drying treatment to the first preset thickness;
and coating the intermediate paint layer on the surface of one side, away from the metal plate, of the second primer layer after polishing.
Wherein, keep away from the one side surface coating finish layer of sheet metal in the intermediate coat layer, include:
drying the intermediate paint layer;
polishing the surface of one side, away from the metal plate, of the dried intermediate paint layer to polish the dried intermediate paint layer to a second preset thickness;
and coating the surface paint layer on the surface of one side of the polished middle paint layer, which is far away from the metal plate.
Wherein the second predetermined thickness is not less than 40 microns.
The surface paint layer is made of polyurethane finish paint, and the middle paint layer is made of polyurethane finish paint.
Wherein, the first primer layer is epoxy antirust paint.
The beneficial effect of this application is: different from the prior art, the application provides a film pasting method for a metal plate, and the film pasting method for the metal plate comprises the following steps: coating a first primer layer on the surface to be filmed of the metal plate; coating a middle paint layer on the surface of one side, far away from the metal plate, of the first primer layer; coating a surface paint layer on the surface of one side of the middle paint layer, which is far away from the metal plate; and sticking the sticking film to be stuck on the surface of one side of the surface paint layer, which is far away from the middle paint layer. When the metal plate is subjected to film pasting, the first primer layer, the middle paint layer and the finish paint layer are sequentially coated on the metal plate, then the to-be-pasted film is attached to one side surface of the finish paint layer, which is far away from the middle paint layer, and when the metal plate deforms, the first primer layer, the middle paint layer and the finish paint layer can buffer the tension of the metal plate deformation, so that the deformation of the advertisement film is reduced, and the advertisement film is prevented from peeling or falling off after being pasted for a period of time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic flow chart of an embodiment of a method for laminating a metal plate according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a metal plate in each step of a film-attaching method for the metal plate according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, the word "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the application. In the following description, details are set forth for the purpose of explanation. It will be apparent to one of ordinary skill in the art that the present application may be practiced without these specific details. In other instances, well-known structures and processes are not set forth in detail in order to avoid obscuring the description of the present application with unnecessary detail. Thus, the present application is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.
The embodiment of the application provides a film pasting method for a metal plate, which comprises the following steps: coating a first primer layer on the surface to be filmed of the metal plate; coating a middle paint layer on the surface of one side, far away from the metal plate, of the first primer layer; coating a surface paint layer on the surface of one side of the middle paint layer, which is far away from the metal plate; and sticking the sticking film to be stuck on the surface of one side of the surface paint layer, which is far away from the middle paint layer. The following are detailed below.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic flow chart of an embodiment of a method for laminating a metal plate according to the present application; fig. 2 is a schematic structural diagram of a metal plate in each step of a film-attaching method for the metal plate according to an embodiment of the present application.
With reference to fig. 1 and 2, the method for laminating a metal plate includes:
s101, polishing the surface to be filmed of the metal plate to enable the surface roughness range of the surface to be filmed of the metal plate to be 3.2-12.5 microns.
In the embodiment of the application, the surface of the metal plate 21 to be filmed can be cleaned and decontaminated at first, so that subsequent polishing and the like can be conveniently carried out. After the surface to be filmed of the metal plate 21 is cleaned and decontaminated, the surface to be filmed of the metal plate 21 is polished, so that the surface roughness range of the surface to be filmed of the metal plate 21 is 3.2 micrometers to 12.5 micrometers. Surface roughness (roughness) refers to the roughness of the machined surface with small pitches and minute peaks and valleys. The distance between two wave crests or two wave troughs is very small, and the micro-geometrical shape error belongs to. The smaller the surface roughness, the smoother the surface. Surface roughness is typically caused by the machining method used and other factors such as friction between the tool and the surface of the part during machining, plastic deformation of the surface layer metal during chip separation, and high frequency vibrations in the process system. Because of different processing methods and workpiece materials, the depths, densities, shapes and textures of marks left on the processed surface are different. The surface roughness has close relation with the matching property, the wear resistance, the fatigue strength, the contact rigidity, the vibration, the noise and the like of mechanical parts, and has important influence on the service life and the reliability of mechanical products. The general notation employs Ra. The range of the surface roughness of the surface to be filmed of the metal plate 21 is limited to 3.2 to 12.5 microns, and is prepared for the next process.
In a specific embodiment, the surface to be filmed of the metal plate 21 is ground by a sand blasting process. The sand blasting process refers to a process of cleaning and roughening the surface of a substrate by using the impact action of a high-speed sand flow. The compressed air is used as power to form a high-speed jet beam to jet the abrasive to the surface of a workpiece to be treated at a high speed, so that the appearance or the shape of the outer surface of the workpiece is changed, and the surface of the workpiece obtains certain cleanliness and different roughness due to the impact and the cutting action of the abrasive on the surface of the workpiece, so that the mechanical property of the surface of the workpiece is improved, the fatigue resistance of the workpiece is improved, the adhesive force between the workpiece and a coating is increased, the durability of a coating is prolonged, and the leveling and the decoration of a coating are facilitated. The abrasive can be copper ore sand, quartz sand, carborundum, iron sand, Hainan sand and the like. Preferably, the surface to be filmed of the metal plate 21 is polished by using 30-50 meshes of white corundum/brown corundum as an abrasive. Of course, in other embodiments, sanding or the like may be used.
S102, coating a first primer layer on the surface to be filmed of the polished metal plate.
In the embodiment of the application, the first primer layer 22 is epoxy antirust paint, the epoxy antirust paint is mostly used for polyamide as a curing agent, bisphenol a epoxy resin is used as an adhesive, and a coating film has good adhesion to a substrate, good workability, good flexibility of the coating film, and good water resistance, oil resistance and chemical resistance. Different antirust paints can be prepared by adding different antirust pigments. The epoxy antirust paint can be epoxy iron oxide red antirust paint, epoxy aluminum powder antirust paint, epoxy zinc phosphate antirust paint, epoxy mica iron antirust paint, epoxy zinc-rich primer and the like. Coating epoxy anti-rust paint on the to-be-filmed surface of the polished metal plate 21 can prevent air from entering the to-be-filmed surface of the metal plate 21, and avoid oxidation rusting of the metal plate 21 to influence the adhesiveness.
Of course, in other embodiments, in order to simplify the process and improve the efficiency, the first primer layer 22 may be directly coated on the surface to be laminated of the metal plate 21 without polishing the metal plate 21, which is not limited in the present application.
S103, polishing the surface of one side, far away from the metal plate, of the first primer layer after drying treatment to polish the first primer layer after drying treatment to a first preset thickness, wherein the first preset thickness is not lower than 60 microns.
In the present embodiment, after the first primer layer 22 is coated, the first primer layer 22 is subjected to a drying process. The drying treatment may be a heat drying treatment, an air drying treatment, or the like. And polishing the surface of one side, away from the metal plate 21, of the dried first primer layer 22 to polish the dried first primer layer 22 to a first preset thickness, wherein the first preset thickness is not lower than 60 micrometers.
And S104, coating a leveling putty layer on the surface of one side, away from the metal plate, of the polished first primer layer.
In a specific embodiment, after polishing the surface of the dried first primer layer 22 away from the metal plate 21, a leveling putty layer 23 is coated on the surface of the polished first primer layer 22 away from the metal plate 21. The leveling putty layer 23 is added to level the first primer layer 22 by the leveling putty layer 23, so that the pores of the first primer layer 22 are filled, the curve deviation of the first primer layer 22 is corrected, and a foundation is laid for obtaining a uniform and smooth finish surface subsequently. Preferably, the material of the leveling putty layer 23 is an unsaturated polyester two-component putty.
And S105, polishing the surface of one side, away from the metal plate, of the leveling putty layer after drying treatment.
In a specific embodiment, the leveling putty layer 23 is dried, and the surface of the leveling putty layer 23 away from the metal plate 21 after the drying treatment is ground.
And S106, coating a second primer layer on the surface of one side, away from the metal plate, of the polished leveling putty layer.
In a specific embodiment, a second primer layer 24 is coated on the surface of the polished leveling putty layer 23 on the side away from the metal plate 21. Preferably, the material of second primer layer 24 is the same as the material of first primer layer 22, and second primer layer 24 is an epoxy rust inhibitive paint. Of course, in other embodiments, the material of second primer layer 24 and the material of first primer layer 22 may also be different.
S107, polishing the surface of one side, away from the metal plate, of the second primer layer after drying treatment so as to polish the second primer layer after drying treatment to a first preset thickness.
In a particular embodiment, the second primer layer 24 is dried; and polishing the surface of the dried second primer layer 24 far away from the metal plate 21 to polish the dried second primer layer 24 to a first preset thickness. Wherein the first predetermined thickness is not less than 60 microns.
And S108, coating a middle paint layer on the surface of one side, away from the metal plate, of the polished second primer layer.
In a specific embodiment, a surface of the ground second primer layer 24, which is far away from the metal plate 21, is coated with a primer layer 25. Preferably, the material of the intermediate paint layer 25 is a polyurethane intermediate paint.
Of course, in other embodiments, in order to simplify the process and improve the efficiency, S108 may be directly performed after any one of steps S102, S103, S104, S105, and S106, which is not limited in the present application.
And S109, coating a finishing paint layer on the surface of one side, away from the metal plate, of the intermediate paint layer.
In a specific embodiment, after the intermediate paint layer 25 is coated, the intermediate paint layer 25 is dried; and polishing the surface of one side, away from the metal plate 21, of the dried intermediate paint layer 25 to polish the dried intermediate paint layer 25 to a second preset thickness. Wherein the second predetermined thickness is not less than 40 microns. The surface of the polished intermediate paint layer 25 on the side away from the metal plate 21 is coated with a top paint layer 26. Preferably, the material of the topcoat layer 26 is a polyurethane topcoat. The finish paint layer 26 contains pigment, which can be single color pigment or multi-color pigment, and can be determined according to the color of the sticking film 27 to be stuck, so that the color of the sticking film 27 to be stuck can be enhanced.
And S110, adhering the to-be-adhered film to the surface of one side, far away from the middle paint layer, of the finish paint layer.
In a specific embodiment, the topcoat layer 26 is dried, and a sticking film 27 is stuck on the surface of the dried topcoat layer 26 away from the topcoat layer 25.
The beneficial effect of this application is: different from the prior art, the application provides a film pasting method for a metal plate, and the film pasting method for the metal plate comprises the following steps: coating a first primer layer on the surface to be filmed of the metal plate; coating a middle paint layer on the surface of one side, far away from the metal plate, of the first primer layer; coating a surface paint layer on the surface of one side of the middle paint layer, which is far away from the metal plate; and sticking the sticking film to be stuck on the surface of one side of the surface paint layer, which is far away from the middle paint layer. When the metal plate is subjected to film pasting, the first primer layer, the middle paint layer and the finish paint layer are sequentially coated on the metal plate, then the to-be-pasted film is attached to one side surface of the finish paint layer, which is far away from the middle paint layer, and when the metal plate deforms, the first primer layer, the middle paint layer and the finish paint layer can buffer the tension of the metal plate deformation, so that the deformation of the advertisement film is reduced, and the advertisement film is prevented from peeling or falling off after being pasted for a period of time.
The above embodiments are merely examples and are not intended to limit the scope of the present disclosure, and all modifications, equivalents, and flow charts using the contents of the specification and drawings of the present disclosure or those directly or indirectly applied to other related technical fields are intended to be included in the scope of the present disclosure.
Claims (10)
1. The film pasting method for the metal plate is characterized by comprising the following steps:
coating a first primer layer on the surface to be filmed of the metal plate;
coating a middle paint layer on the surface of one side, away from the metal sheet, of the first primer layer;
coating a finishing paint layer on the surface of one side, away from the metal plate, of the middle paint layer;
and sticking the sticking film to be stuck on the surface of one side of the surface paint layer, which is far away from the middle paint layer.
2. The film laminating method according to claim 1, wherein the step of coating a first primer layer on the surface to be laminated of the metal plate material comprises the following steps:
polishing the surface to be filmed of the metal plate to ensure that the surface roughness range of the surface to be filmed of the metal plate is 3.2-12.5 microns;
and coating the first primer layer on the surface to be filmed of the polished metal plate.
3. The film pasting method according to claim 2, wherein the polishing of the surface to be filmed of the metal plate comprises:
and polishing the surface to be filmed of the metal plate by a sand blasting process.
4. The film laminating method according to claim 3, wherein the step of coating a middle paint layer on the surface of the first primer layer on the side far away from the metal plate material comprises the following steps:
drying the first primer layer;
polishing the surface of one side, far away from the metal plate, of the first primer layer after drying treatment so as to polish the first primer layer after drying treatment to a first preset thickness, wherein the first preset thickness is not lower than 60 micrometers;
and coating a middle paint layer on the surface of one side of the first primer layer away from the metal plate after polishing.
5. The film laminating method according to claim 4, wherein the surface of the side, away from the metal plate, of the first primer layer after polishing is coated with a primer layer, and the method comprises the following steps:
coating a leveling putty layer on the surface of one side, away from the metal plate, of the first primer layer after polishing;
drying the leveling putty layer;
polishing the surface of one side, away from the metal plate, of the leveling putty layer after drying treatment;
and coating the middle paint layer on the surface of one side of the polished leveling putty layer, which is far away from the metal plate.
6. The method for pasting according to claim 5, wherein the painting of the intermediate paint layer on the surface of the polished leveling putty layer on the side away from the metal plate comprises the following steps:
coating a second primer layer on the surface of one side, away from the metal plate, of the polished leveling putty layer;
drying the second primer layer;
polishing the surface of one side, far away from the metal plate, of the second primer layer after drying treatment so as to polish the second primer layer after drying treatment to the first preset thickness;
and coating the intermediate paint layer on the surface of one side, away from the metal plate, of the second primer layer after polishing.
7. The film laminating method according to claim 6, wherein the step of coating a surface paint layer on the side of the middle paint layer far away from the metal plate comprises the following steps:
drying the intermediate paint layer;
polishing the surface of one side, away from the metal plate, of the dried intermediate paint layer to polish the dried intermediate paint layer to a second preset thickness;
and coating the surface paint layer on the surface of one side of the polished middle paint layer, which is far away from the metal plate.
8. The method of claim 7, wherein the second predetermined thickness is not less than 40 μm.
9. The film laminating method according to claim 7, wherein the material of the top paint layer is a polyurethane finish paint, and the material of the middle paint layer is a polyurethane finish paint.
10. The film laminating method according to claim 1, wherein the first primer layer is an epoxy rust inhibitive paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010046072.5A CN111231449A (en) | 2020-01-16 | 2020-01-16 | Film pasting method for metal plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010046072.5A CN111231449A (en) | 2020-01-16 | 2020-01-16 | Film pasting method for metal plate |
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| CN111231449A true CN111231449A (en) | 2020-06-05 |
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| CN202010046072.5A Pending CN111231449A (en) | 2020-01-16 | 2020-01-16 | Film pasting method for metal plate |
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Citations (11)
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