Car paint decals and their preparation methods

Abstract

The present application provides a kind of car paint and its preparation method, car paint includes: primer coating, color paint coating, processing coating, draw flower coating and topcoat coating;In the body of vehicle is coated with the primer coating consisting of rust-proof primer, the primer coating is coated with color paint coating, the color paint coating is coated with processing coating, the processing coating is coated with topcoat coating;Draw flower coating is provided in processing coating.The present application is made to high gloss varnish below draw flower color paint, ensures the smooth surface of matt varnish surface that vehicle body is sprayed, avoids the color difference of vehicle body matt varnish surface due to polishing matt varnish;And high gloss varnish completely wraps the color paint of draw flower coating, can make it not easy to scratch damage, avoid the flaw of car paint draw flower.

Description

Technical Field

[0001] This invention relates to the field of vehicle coating technology, and in particular to a paint decal and its preparation method. Background Technology

[0002] With the rapid development of production, the automobile industry has become an important pillar industry of my country's national economy. Various forms of body patterns have a wide range of potential applications in body advertising and personalized body decoration.

[0003] Matte paint finishes are currently very popular in the market, but so far, due to the limitation that matte paint cannot be sanded and polished, there are no models with matte decals on the body.

[0004] Therefore, there is an urgent need for a method for creating car paint decals and its preparation to solve the above problems. Summary of the Invention

[0005] The technical problem solved by this invention is to provide a car paint decal and its preparation method, which can achieve the effect of matte paint decal, thereby improving perceived quality and overall vehicle texture.

[0006] The technical problem solved by this invention is achieved by the following technical solution: A type of car paint decal, comprising: a primer coating, a color paint coating, a finishing coating, a decal coating, and a topcoat coating; the primer coating, consisting of an anti-rust primer, is applied to the body of a vehicle; the color paint coating is applied on the primer coating; the finishing coating is applied on the color paint coating; and the topcoat coating is applied on the finishing coating; the decal coating is disposed within the finishing coating.

[0007] In a preferred embodiment of the present invention, the primer coating includes an electrophoretic layer and an intermediate layer; the color paint coating is coated on the intermediate layer, which is the outermost layer of the primer coating.

[0008] In a preferred embodiment of the present invention, the above-mentioned treatment coating includes: a first treatment coating and a second treatment coating; both the first treatment coating and the second treatment coating are high-gloss clear coats.

[0009] In a preferred embodiment of the present invention, the patterned area on the first treated coating is coated with the patterned coating, and the second treated coating is coated on the first treated coating and the patterned coating.

[0010] In a preferred embodiment of the present invention, the thickness of the second treatment coating is greater than the thickness of the graffiti coating.

[0011] In a preferred embodiment of the present invention, the thickness of the second processing layer and the first processing layer is 20-50 μm.

[0012] A method for preparing car paint decals, used to prepare car paint decals as described above, includes: spraying a base layer onto a vehicle body; setting a decal area on a first treatment coating of the outermost layer of the base layer according to a preset decal shape, and spraying color paint onto the decal area to form a decal coating; spraying a second treatment coating after the decal coating has solidified; polishing the second treatment coating, and applying a matte clear coat to the second treatment coating to form a topcoat coating.

[0013] In a preferred embodiment of the present invention, the substrate layer is provided with a primer coating, a color paint coating and a first treatment coating in sequence from the inside to the outside.

[0014] In a preferred embodiment of the present invention, the first and second treatment coatings are high-gloss clear varnish coatings.

[0015] In a preferred embodiment of the present invention, the step of spraying a second treatment coating after the graffito coating has solidified includes: applying the second treatment coating onto the graffito coating and the first treatment coating after the graffito coating has solidified, so that the second treatment coating covers the graffito coating.

[0016] The technical effects achieved by the above-mentioned technical solution of this invention are as follows: The decal paint is applied below the high-gloss clear coat, resulting in a smooth matte clear coat surface on the car body. This avoids unevenness on the matte clear coat surface caused by the decal coating and prevents color differences from occurring during sanding, thereby enhancing the premium and luxurious feel of the matte paint finish and meeting personalized needs. Furthermore, the high-gloss clear coat completely covers the decal paint, effectively protecting it from scratches and damage, and preventing imperfections in the decal design.

[0017] The above description is merely an overview of the technical solution of the present invention. In order to better understand the technical means of the present invention and to implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of the present invention more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of a car paint decal structure according to the present invention; Figure 2 This is a schematic diagram illustrating the second treatment coating polishing process for a type of car paint decal, as shown in this invention. Figure 3 This is a flowchart illustrating a method for preparing car paint decals according to the present invention. Detailed Implementation

[0019] To further illustrate the technical means and effects adopted by the present invention to achieve its intended purpose, embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below are merely some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the embodiments of the present invention. Through the description of the specific embodiments, a more in-depth and specific understanding of the technical means and effects adopted by the present invention to achieve its intended purpose can be obtained. Moreover, the accompanying drawings are only provided for reference and illustration and are not intended to limit the present invention.

[0020] Please see Figure 1 , Figure 1 This is a schematic diagram illustrating the structure of a car paint decal according to the present invention.

[0021] like Figure 1 As shown, an embodiment of the present invention provides a vehicle paint decal that includes: a primer coating 1, a color paint coating 2, a treatment coating (3+4), a decal coating 5, and a topcoat coating 6; the primer coating 1, which is composed of an anti-rust primer, is applied to the vehicle body; the color paint coating 2 is applied to the primer coating 1; the treatment coating is applied to the color paint coating 2; and the topcoat coating 6 is applied to the treatment coating; the decal coating 5 is provided in the treatment coating.

[0022] Optionally, the primer coating 1 includes an electrophoretic layer and an intermediate layer; a colored paint coating 2 is applied to the outermost intermediate layer of the primer coating 1.

[0023] The electrophoretic layer is formed by applying electrophoretic paint to the car body using an electrophoretic process; it serves as the base coat for car paint decals. The intermediate layer is formed by applying intermediate paint over the base coat of the electrophoretic layer using an intermediate coating process.

[0024] It should be noted that after the primer coating 1 is applied, the appropriate color paint is selected according to the requirements and sprayed onto the primer coating 1. After the paint solidifies, the color paint coating 2 is formed.

[0025] Optionally, the treatment coating includes: a first treatment coating 3 and a second treatment coating 4; both the first treatment coating 3 and the second treatment coating 4 are high-gloss clear coats.

[0026] High-gloss varnish is a transparent or semi-transparent coating, whose main components are resin and solvent. After being applied to the surface of an object, the varnish dries to form a smooth film that reveals the original texture and color of the varnish.

[0027] High-gloss clear coat is a transparent coating, so it can be sanded or polished without affecting the original paint finish of the car body.

[0028] Optionally, a patterned coating 5 is applied to the patterned area on the first treatment coating 3, and a second treatment coating 4 is applied to the first treatment coating 3 and the patterned coating 5.

[0029] The decal coating 5 is formed by spraying colored paint onto the decal area of ​​the first treatment coating 3 and then allowing it to solidify. The decal area is created by attaching corresponding decal stickers to the vehicle body according to the decal design requirements, and then attaching color-separating tape around the stickers.

[0030] Optionally, the thickness of the second treatment coating 4 is greater than the thickness of the pattern coating 5.

[0031] Optionally, the thickness of the second processing layer 4 and the first processing layer 3 is 20-50 μm.

[0032] Specifically, the thickness of the colored paint in the decorative coating 5 is 12-16 μm, and the thickness of the high-gloss clear varnish is 20-50 μm (this can be adjusted according to actual conditions). To avoid affecting the decorative coating 5 below the second treatment coating 4 during sanding and polishing (the second treatment coating 4 outside the decorative area is directly applied to the first treatment coating 3; if its thickness is lower than that of the decorative coating 5, the colored paint of the decorative coating 5 may be sanded to make the second treatment coating 4 smooth, which may cause a change in the paint color), the thickness of the second treatment coating 4 needs to be greater than that of the decorative coating 5. With the thickness of the second treatment coating 4 greater than that of the decorative coating 5, the second treatment coating 4 is sanded and polished to ensure that the second treatment coating 4 above the first treatment coating 3 and the second treatment coating 4 above the decorative coating 5 are at the same height and smooth.

[0033] The aforementioned car paint decals can be created using the following painting method, with the specific steps as follows: Step 1, Formation of primer coating 1. Specifically: The vehicle body surface is cleaned by shot blasting, rust removal, and grinding to thoroughly remove oil stains, rust, scale, corrosion products, dust and other dirt from the vehicle body surface, and to smooth out any unevenness on the vehicle body surface. After cleaning the vehicle body, apply the primer coating 1 to the vehicle body and exterior using standard spraying methods. It is important to note that the primer coating 1 includes an electrophoretic coating and a mid-coat coating. First, the electrophoretic paint is applied to the vehicle body using an electrophoretic process, and then the mid-coat paint is applied over the electrophoretic coating using a mid-coat process. The mid-coat coating adheres tightly to the primer surface of the electrophoretic coating and fuses with the color paint coating 2, ensuring a tight bond between the coatings.

[0034] Step 2, Formation of Colored Paint Coating 2. Specifically: After the electrophoretic layer and intermediate layer are applied to the vehicle body, a color paint of the appropriate color (such as red, white, black, and yellow) is selected according to the customized requirements and sprayed onto the intermediate layer. After the color paint solidifies, colored paint coating 2 is formed.

[0035] Step 3, formation of the first treatment coating 3. Specifically: After the color paint coating 2 is sprayed, a high-gloss clear coat is sprayed onto the color paint coating 2. After the high-gloss clear coat has solidified, the first treatment coating 3 (first high-gloss clear coat layer) is formed. This high-gloss clear coat layer can protect the body paint and prepare for the spraying of the decal paint.

[0036] Step 4: Formation of the decal coating 5. Specifically: First, sand or polish the first high-gloss clear coat layer on the vehicle body and clean its surface to ensure it is smooth. Then, according to the desired decal design, attach the corresponding decal stickers to the vehicle body and apply color-separating tape around the stickers. After removing the color-separating tape, mask off the areas except for the decals. Next, spray paint onto the decal areas; different colors can be selected. After the paint hardens, the decal coating 5 is formed.

[0037] Step 5, Formation of the second treatment coating 4. Specifically: After the paint of the decal coating 5 has dried, remove the color separation tape and masking paper, and then spray a layer of high-gloss clear coat onto the entire vehicle to form the second treatment coating 4 / second high-gloss clear coat layer. The coating condition at this point can be referenced. Figure 2 The coating structure before sanding. Because after spraying the colored paint of the pattern coating 5, colored paint usually accumulates at the edges of the pattern. At this time, if a matte clear coat is sprayed directly, it may not be able to completely cover the edges of the colored paint, because the matte clear coat cannot be sanded or polished, nor can it be repaired later, resulting in poor surface quality of the topcoat.

[0038] Step 6, Formation of Topcoat Layer 6. Specifically: First, sand and level the second high-gloss clear coat layer to ensure that the height of the second high-gloss clear coat layer sprayed on the decorative area and surrounding areas is consistent and smooth (the coating condition at this time can be referenced). Figure 2 (Coating structure after sanding). After sanding the second high-gloss clear coat layer, the entire vehicle surface is smooth. After deep cleaning, a matte clear coat is applied to form the topcoat layer 6 / matte clear coat layer, achieving a good matte finish across the entire vehicle. The coating condition at this point can be referenced. Figure 1 It should be noted that after sanding the second high-gloss clear coat, the high-gloss clear coat still completely covers the colored paint of the pattern coating 5 (if the colored paint on the edge of the pattern is too high, the colored paint on that edge will remain consistent with the sanded second high-gloss clear coat after sanding).

[0039] The car paint decals provided by this invention apply the decal color paint below the high-gloss clear coat, resulting in a smooth matte clear coat surface on the car body. This avoids unevenness on the matte clear coat surface caused by the decal coating and prevents color differences from occurring on the matte clear coat surface after sanding. This enhances the premium and luxurious feel of the matte paint finish and meets personalized needs. The high-gloss clear coat completely covers the color paint of the decal coating, which also effectively protects the color paint, making it less susceptible to scratches and damage, and preventing defects in the car paint decals.

[0040] Please see Figure 3 , Figure 3 This is a flowchart illustrating a method for preparing car paint decals according to the present invention.

[0041] like Figure 3 As shown in the figure, an embodiment of the present invention illustrates a method for preparing car paint decals, which is used to prepare the car paint decals described in the above embodiment.

[0042] Specifically, the following steps are included: S11: Apply the base coat to the vehicle body; S12: Set a pattern area on the outermost first treatment coating of the base layer of the pre-set pattern, and spray the pattern area with colored paint to form a pattern coating. S13: Apply a second treatment coating after the patterned coating has solidified; S14: Polish the second treatment coating and apply matte clear varnish to the second treatment coating to form a topcoat coating.

[0043] Optionally, the substrate layer is provided with a primer coating 1, a color paint coating 2 and a first treatment coating 3 in sequence from the inside to the outside.

[0044] Specifically, the first treatment coating is used to protect the paint coating.

[0045] Optionally, the first treatment coating 3 and the second treatment coating 4 are high-gloss clear varnish coatings.

[0046] Optionally, the step of spraying a second treatment coating after the graffito coating has solidified includes: applying the second treatment coating onto the graffito coating 5 and the first treatment coating after the graffito coating has solidified, so that the second treatment coating covers the graffito coating.

[0047] For example, the specific preparation method of car paint decals is as follows: Step 1, Formation of primer coating 1. Specifically: The vehicle body surface is cleaned by shot blasting, rust removal, and grinding to thoroughly remove oil stains, rust, scale, corrosion products, dust and other dirt from the vehicle body surface, and to smooth out any unevenness on the vehicle body surface. After cleaning the vehicle body, apply a primer coating to the vehicle body and exterior using standard painting methods. It's important to note that the primer coating includes an electrophoretic coating and a mid-coat coating. First, electrophoretic paint is applied to the vehicle body using an electrophoretic process, and then a mid-coat is applied over the electrophoretic coating. The mid-coat adheres tightly to the primer surface of the electrophoretic coating and blends seamlessly with the color paint coating, ensuring a tight bond between the layers.

[0048] Step 2, Formation of Colored Paint Coating 2. Specifically: After the electrophoretic layer and intermediate layer are applied to the vehicle body, a color paint of the appropriate color (e.g., red, white, black, and yellow) is selected according to the customized requirements and sprayed onto the intermediate layer. After the color paint solidifies, a colored paint coating is formed.

[0049] Step 3, formation of the first treatment coating 3. Specifically: After the color paint coating is applied, a high-gloss clear coat is sprayed onto the color paint coating. After the high-gloss clear coat has solidified, the first treatment coating / first high-gloss clear coat layer is formed. This high-gloss clear coat layer protects the body paint and prepares for the application of decal paint.

[0050] Step 4: Formation of the decal coating 5. Specifically: First, sand or polish the first high-gloss clear coat layer on the vehicle body and clean its surface to ensure it is smooth. Then, according to the desired decal design, attach the corresponding decal stickers to the vehicle body and apply color-separating tape around the stickers. After removing the color-separating tape, mask off the areas except for the decals. Next, spray paint onto the decal areas; different colors can be selected. After the paint hardens, the decal coating is formed.

[0051] Step 5, Formation of the second treatment coating 4. Specifically: After the color paint of the decal coating has dried, remove the color separation tape and masking paper, and then spray a layer of high-gloss clear coat onto the entire vehicle to form the second high-gloss clear coat layer. The coating condition at this point can be referenced. Figure 2 The coating structure before sanding. Because after spraying the colored paint for the patterned coating, the edges of the pattern usually accumulate paint. At this time, if a matte clear coat is sprayed directly, it may not be able to completely cover the edges of the colored paint, because the matte clear coat cannot be sanded or polished, nor can it be repaired later, resulting in poor surface quality of the topcoat.

[0052] Step 6: Formation of the topcoat layer 6. Specifically: First, the second high-gloss clear coat layer is sanded and leveled to ensure that the height of the second high-gloss clear coat layer sprayed on the decal area and surrounding areas is consistent and smooth. After sanding the second high-gloss clear coat layer, the high-gloss clear coat still completely covers the color paint of the decal coating (if the color paint accumulation at the edge of the decal is too high, the color paint at that edge will also be consistent with the sanded second high-gloss clear coat layer after sanding). After the second high-gloss clear coat layer is sanded, the entire vehicle body surface is in a generally smooth state. After completing the deep cleaning, a matte clear coat is then sprayed on the entire surface to achieve a good matte finish for the entire vehicle. The coating state at this time can be referenced. Figure 1 .

[0053] The car paint decal preparation method provided by this invention produces decals with the decal paint applied below the high-gloss clear coat, resulting in a smooth matte clear coat surface on the car body. This avoids unevenness on the matte clear coat surface caused by the decal coating and color differences caused by sanding the matte clear coat, thereby enhancing the premium and luxurious feel of the matte paint and meeting personalized needs. The high-gloss clear coat completely covers the decal coating paint, effectively protecting it from scratches and damage, and preventing defects in the car paint decals.

[0054] It should be understood that although the steps in the flowcharts of the accompanying drawings are shown sequentially as indicated by the arrows, these steps are not necessarily executed in the order indicated by the arrows. Unless explicitly stated herein, there is no strict order restriction on the execution of these steps, and they can be executed in other orders. Moreover, at least some of the steps in the accompanying drawings may include multiple sub-steps or multiple stages, which are not necessarily completed at the same time, but may be executed at different times, and their execution order is not necessarily sequential, but may be performed alternately or in turn with other steps or at least some of the sub-steps or stages of other steps.

[0055] Through the above description of the embodiments, those skilled in the art can clearly understand that the embodiments of the present invention can be implemented in hardware or by means of software plus necessary general-purpose hardware platforms. Based on this understanding, the technical solutions of the embodiments of the present invention can be embodied in the form of a software product. This software product can be stored in a non-volatile storage medium (such as a CD-ROM, USB flash drive, mobile hard drive, etc.) and includes several instructions to cause a computer device (such as a personal computer, server, or network device, etc.) to execute the methods described in the various implementation scenarios of the embodiments of the present invention.

[0056] The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the specific details of the above embodiments. The above embodiments and accompanying drawings are exemplary. The modules or processes in the accompanying drawings are not necessarily necessary for implementing the embodiments of the present invention and should not be construed as limiting the present invention. Within the scope of the technical concept of the present invention, various simple modifications and combinations can be made to the technical solutions of the present invention, and these simple modifications and combinations all fall within the protection scope of the present invention.

Claims

1. A type of car paint decal, characterized in that, The car paint decals include: a primer coating, a color paint coating, a finishing coating, a decal coating, and a topcoat coating; The vehicle body is coated with a primer coating consisting of an anti-rust primer, the primer coating is coated with a color paint coating, the color paint coating is coated with a treatment coating, and the treatment coating is coated with a topcoat coating. The patterned coating is provided in the treatment coating.

2. The car paint decal as described in claim 1, characterized in that, The primer coating includes an electrophoretic layer and an intermediate layer; the color paint coating is applied to the outermost intermediate layer of the primer coating.

3. The car paint decal as described in claim 1, characterized in that, The treatment coating includes: a first treatment coating and a second treatment coating; both the first treatment coating and the second treatment coating are high-gloss clear coats.

4. The car paint decal as described in claim 3, characterized in that, The patterned area on the first treated coating is coated with the patterned coating, and the second treated coating is coated on the first treated coating and the patterned coating.

5. The car paint decal as described in claim 4, characterized in that, The thickness of the second treatment coating is greater than the thickness of the graffiti coating.

6. The car paint decal as described in claim 5, characterized in that, The thickness of the second processing layer and the first processing layer is 20-50 μm.

7. A method for preparing car paint decals, used to prepare car paint decals as described in any one of claims 1 to 6, characterized in that, include: The base layer for car paint decals is sprayed onto the vehicle body; According to the preset design, a design area is set on the base layer, and the design area is sprayed with colored paint to form a design coating. After the graffito coating has solidified, a second treatment coating is sprayed on. The second treated coating is sanded and polished, and then a matte clear varnish is applied to the second treated coating to form a topcoat coating.

8. The method for preparing car paint decals as described in claim 7, characterized in that, The base layer is sequentially configured as a primer coating, a color paint coating, and a first treatment coating.

9. The method for preparing car paint decals as described in claim 7, characterized in that, Both the first and second treatment coatings are formed by spraying high-gloss clear varnish and then solidifying.

10. The method for preparing car paint decals as described in claim 7, characterized in that, The step of spraying a second treatment coating after the graffito coating has solidified includes: The second treatment coating is applied to the graffito coating and the first treatment coating so that the second treatment coating covers the graffito coating.

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