Durable sand blasting coating structure

By designing a multi-layer coating structure on the MDF, especially filling the sand surface paint layer with sand particles and applying a scratch-resistant paint layer, the problem of the MDF coating structure being easily damaged is solved, achieving better protection and extending the service life.

CN223440323UActive Publication Date: 2025-10-17DONGGUAN TUBA NEW MATERIAL CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422770402.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-13
Publication Date
2025-10-17
Estimated Expiration
2034-11-13

AI Technical Summary

Technical Problem

The existing MDF coated with sand topcoat structure has only one layer of paint on the surface, which lacks protection, causing the sand surface layer to be easily damaged and shortening the service life.

Method used

A multi-layer coating structure is adopted, including a substrate, a first primer layer, a white primer layer, a sand topcoat layer and a scratch-resistant paint layer. The sand topcoat layer is evenly filled with sand particles, and the surface is coated with a scratch-resistant paint layer to provide protection.

Benefits of technology

The multi-layer coating structure improves the texture and visual effect of the coating structure, and effectively protects the sand surface paint layer from damage, thereby extending its service life.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223440323U_ABST
    Figure CN223440323U_ABST
Patent Text Reader

Abstract

The utility model discloses a durable sand blasting coating structure. The durable sand blasting coating structure comprises a base material, a first primer layer, a first white primer layer, a second white primer layer, a sand finish paint layer and a scratch-resistant paint layer, the base material is a medium density fiberboard, and the surface of the base material is provided with a first polishing layer; the first polishing layer is coated with the first primer layer, and the first primer layer is provided with a second polishing layer; the first white primer layer is coated on the second polishing layer, and a third polishing layer is arranged on the surface of the first white primer layer; the second white primer layer is coated on the third polishing layer, and a fourth polishing layer is arranged on the surface of the second white primer layer; the sand finish paint layer is coated on the fourth polishing layer, sand grains are uniformly filled in the sand finish paint layer, and a fifth polishing layer is arranged on the surface of the sand finish paint layer; and the fifth polishing layer is coated with the scratch-resistant paint layer. The sand finish paint layer is uniformly filled with the sand grains, so that the coating structure shows excellent texture and a better visual effect, the scratch-resistant paint layer is coated on the surface of the sand finish paint layer, the scratch-resistant paint layer can provide effective protection for the sand finish paint layer, the sand finish paint layer is effectively protected from being damaged due to scratch, and the service life of the sand finish paint layer is prolonged. The texture of the sand finish paint layer can be kept for a long time, and the service life of the coating structure is effectively prolonged.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the field technique of coating structure especially is a kind of durable sand blasting coating structure. BACKGROUND

[0002] Medium density fiberboard, generally refers to medium density fiberboard, is a kind of artificial board.It is mainly raw material to utilize agricultural three leftovers or secondary small firewood in China, and its main component is wood fiber, resin glue etc.After hot grinding, drying, gluing, laying, hot pressing, post-processing, sanding, it is formed a kind of environmental protection type furniture building material substitute to replace original wood.

[0003] Although medium density fiberboard has the advantages of relatively low price, easy processing, uniform material, good physical properties, good heat insulation performance, non-aging, strong adhesion, etc., with the improvement of people's material level, people's aesthetic taste for building materials has gradually improved, so building material merchants begin to set coating structure on medium density fiberboard to increase the aesthetic degree of medium density fiberboard.At present, there is a coating structure on the market that coats sand surface paint on medium density fiberboard, which has excellent texture and better visual effect, and only has a paint layer on the surface, which does not have good protection effect, and the paint layer on the surface will be scratched due to various scratches, causing the sand surface layer to be easily damaged and shortening the service life.Therefore, it is necessary to propose a new scheme to solve the above problems. UTILITY MODEL CONTENT

[0004] Therefore, the utility model mainly aims at the defects of prior art, and provides a durable sand blasting coating structure, which can effectively solve the problem that the sand surface layer of the coating structure coated with sand surface paint has only one paint layer, cannot provide effective protection for the sand surface layer, causes the sand surface layer to be easily damaged and shortens the service life.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A durable sand blasting coating structure, comprising a substrate, a primer layer, a first white primer layer, a second white primer layer, a sand surface paint layer and a scratch-resistant paint layer; the substrate is medium density fiberboard, and the surface of the substrate has a first polishing layer; the primer layer is coated on the first polishing layer, and the primer layer has a second polishing layer; the first white primer layer is coated on the second polishing layer, and the surface of the first white primer layer has a third polishing layer; the second white primer layer is coated on the third polishing layer, and the surface of the second white primer layer has a fourth polishing layer; the sand surface paint layer is coated on the fourth polishing layer, and the sand surface paint layer is uniformly filled with sand particles, and the surface of the sand surface paint layer has a fifth polishing layer; the scratch-resistant paint layer is coated on the fifth polishing layer.

[0007] As a preferred solution, the type of the head primer layer is TB31007A.

[0008] As a preferred solution, the first white primer layer and the second white primer layer are both water-based two-component white primers, and the type of the first white primer layer and the second white primer layer is TB66005.

[0009] As a preferred solution, the type of the sand finish layer is TB82009-30.

[0010] As a preferred solution, the sand particles are natural colored sand, which has good heat conduction performance and high heat storage capacity, can insulate sunlight in summer, reduce indoor energy consumption, and has bright luster and soft color tone, thereby achieving better decoration effect.

[0011] As a preferred solution, the scratch-resistant paint layer is a water-based two-component scratch-resistant full-matte paint.

[0012] As a preferred solution, the type of the scratch-resistant paint layer is TB82058-03.

[0013] Compared with the prior art, the utility model has obvious advantages and beneficial effects, specifically speaking, the above technical solution can know that:

[0014] The sand finish layer is filled with sand particles, so that the coating structure has excellent texture and better visual effect, and the surface of the sand finish layer is coated with the scratch-resistant paint layer, so that the sand finish layer is effectively protected from damage caused by scratching, the texture of the sand finish layer can be maintained for a long time, and the service life of the coating structure is effectively prolonged.

[0015] To make the structure characteristics and functions of the utility model clearer, the utility model will be described in detail in combination with the drawings and specific embodiments: BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is the sectional view of the preferred embodiment of the utility model.

[0017] BRIEF DESCRIPTION OF DRAWINGS

[0018] 10, base material 11, first polishing layer

[0019] 20, head primer layer 21, second polishing layer

[0020] 30, first white primer layer 31, third polishing layer

[0021] 40, second white primer layer 41, fourth polishing layer

[0022] 50, sand finish layer 51, sand particles

[0023] 52, fifth polishing layer 60, scratch-resistant paint layer. DETAILED DESCRIPTION

[0024] Referring to Figure 1 The specific structure of the preferred embodiment of the present application is shown in the drawing, which comprises a base material 10, a head primer layer 20, a first white primer layer 30, a second white primer layer 40, a sanding paint layer 50 and a scratch-resistant paint layer 60.

[0025] The base material 10 is a medium-density fiberboard, and the surface of the base material 10 has a first polishing layer 11.

[0026] The head primer layer 20 is coated on the first polishing layer 11, and the head primer layer 20 has a second polishing layer 21; in this embodiment, the model of the head primer layer 20 is TB31007A.

[0027] The first white primer layer 30 is coated on the second polishing layer 21, and the surface of the first white primer layer 30 has a third polishing layer 31; in this embodiment, the first white primer layer 30 is a water-based two-component white primer, and the model thereof is TB66005.

[0028] The second white primer layer 40 is coated on the third polishing layer 31, and the surface of the second white primer layer 40 has a fourth polishing layer 41; in this embodiment, the second white primer layer 40 is a water-based two-component white primer, and the model thereof is TB66005.

[0029] The sanding paint layer 50 is coated on the fourth polishing layer 41, and the sanding paint layer 50 is uniformly filled with sand particles 51, and the surface of the sanding paint layer 50 has a fifth polishing layer 52; in this embodiment, the model of the sanding paint layer 50 is TB82009-30, and the sand particles 51 are natural colored sand, which has good heat conduction performance and high heat storage capacity, and can be used as a building material to insulate sunlight in summer and reduce indoor energy consumption. In addition, the natural colored sand has bright luster and soft color tone, which can achieve better decorative effect.

[0030] The scratch-resistant paint layer 60 is coated on the fifth polishing layer 52; in this embodiment, the scratch-resistant paint layer 60 is a water-based two-component scratch-resistant full-matte paint, and the model of the scratch-resistant paint layer 60 is TB82058-03.

[0031] The manufacturing process of this embodiment is described as follows:

[0032] First, take the substrate 10 which keeps sufficient dry and maintenance, the wood moisture content is controlled below 11%, the white body is polished once with 240# sandpaper, no defect, horizontal sand mark, then, the first polishing layer 11 is sprayed wet once, dry for more than 60 minutes, form the first primer layer 20, and polish smooth with 400# sandpaper, thus form the second polishing layer 21, then, the curing agent and water are mixed uniformly according to the specified ratio, then pour into the finish paint and stir uniformly, filter 120 mesh, spray wet 2 crosses, the panel is sprayed as a whole without sagging, dry for not less than 4 hours at 30-40 DEG C, and the humidity is controlled at 40%-60%, form the first white primer layer 30, polish flat with 400# zinc powder sandpaper, cannot miss sand, all parts and corners and edges etc. cannot be sand through, thus form the third polishing layer 31, continue to mix the curing agent and water uniformly according to the specified ratio, then pour into the finish paint and stir uniformly, filter 120 mesh, spray wet 2 crosses, the panel is sprayed as a whole without sagging, dry for not less than 4 hours at 30-40 DEG C, and the humidity is controlled at 40%-60%, form the second white primer layer 40, polish flat with 400# zinc powder sandpaper, cannot miss sand, all parts and corners and edges etc. cannot be sand through, thus form the fourth polishing layer 41, then, the curing agent and water are mixed uniformly according to the specified ratio, then pour into the finish paint together with the sand particles 51 and stir uniformly, filter 120 mesh, spray wet 2 crosses, the panel is sprayed as a whole without sagging, dry for not less than 4 hours at 30-40 DEG C, and the humidity is controlled at 40%-60%, form the sand finish paint layer 50, the sand particles 51 can be selected from different colors of natural color sand, further enhance the decorative effect of the sand finish paint layer 50, finally, the curing agent and water are mixed uniformly according to the specified ratio, then pour into the finish paint and stir uniformly, filter 200 mesh, spray wet 2 crosses, the panel is sprayed as a whole without sagging, flow flat for 8-10 minutes at room temperature, dry for at least 4 hours in the drying room with good flow air, and the temperature is guaranteed at 30-40 DEG C, the humidity is controlled at 40%-60%, the paint film is maintained for at least 8 hours, form the scratch-resistant paint layer 60, package and sell.

[0033] The design emphasis of the utility model lies in: the sand finish paint layer is filled with sand particles uniformly, so that the coating structure presents excellent texture and better visual effect, and the surface of the sand finish paint layer is coated with the scratch-resistant paint layer, the scratch-resistant paint layer can effectively protect the sand finish paint layer from being damaged due to scratching, can keep the texture of the sand finish paint layer for a long time, and effectively prolongs the service life of the coating structure.

[0034] The above is only the preferred embodiment of the utility model, and does not limit the technical range of the utility model, so any slight modification, equivalent change and modification made according to the technical essence of the utility model to the above embodiment still belongs to the range of the technical scheme of the utility model.

Claims

1. A durable sandblasting coating structure, characterized by: It includes a substrate, a first primer layer, a first white primer layer, a second white primer layer, a sand top paint layer and a scratch-resistant paint layer; the substrate is a medium-density fiberboard, and the surface of the substrate has a first polishing layer; the first primer layer is coated on the first polishing layer, and the first primer layer has a second polishing layer; the first white primer layer is coated on the second polishing layer, and the surface of the first white primer layer has a third polishing layer; the second white primer layer is coated on the third polishing layer, and the surface of the second white primer layer has a fourth polishing layer; the sand top paint layer is coated on the fourth polishing layer, the sand top paint layer is evenly filled with sand particles, and the surface of the sand top paint layer has a fifth polishing layer; the scratch-resistant paint layer is coated on the fifth polishing layer.

2. The durable sandblasting coating structure according to claim 1, characterized in that: The model of the first primer layer is TB31007A.

3. The durable sandblasting coating structure according to claim 1, characterized in that: The first white primer layer and the second white primer layer are both water-based two-component white primers, and the model number is TB66005.

4. The durable sandblasting coating structure according to claim 1, characterized in that: The model of the sand finish layer is TB82009-30.

5. The durable sandblasting coating structure according to claim 1, characterized in that: The sand grains are natural colored sand.

6. The durable sandblasting coating structure according to claim 1, characterized in that: The scratch-resistant paint layer is a water-based two-component scratch-resistant full matte paint.

7. The durable sandblasting coating structure according to claim 1, characterized in that: The model of the scratch-resistant paint layer is TB82058-03.