Natural color polyurethane bamboo floor coating layer

Abstract

The utility model belongs to the technical field of floor paint, and particularly relates to a natural color polyurethane bamboo floor paint layer which comprises a bamboo floor body, a paint layer is arranged at the upper end of the bamboo floor body and comprises a waterproof layer, a middle layer is arranged on the upper surface of the waterproof layer, and an anti-aging layer is arranged on the upper surface of the middle layer. A surface layer is arranged on the upper surface of the anti-aging layer. The surface of the bamboo floor body is coated with the coating layer, the coating layer is composed of the waterproof layer, the middle layer, the anti-aging layer and the surface layer, the anti-aging layer is made of the organic silicon coating, so that the anti-aging performance of the coating layer can be improved, the interior of the coating layer is not prone to being oxidized and discolored due to illumination, and the surface layer is made of the natural-color water-based polyurethane coating and not prone to being oxidized and discolored. The surface hardness of the coating layer can be improved, and meanwhile, the friction force of the surface is reduced, so that the wear resistance and scratch resistance of the coating layer are improved.

Description

Technical Field

[0001] The utility model relates to the field of floor coatings, and specifically relates to a natural color polyurethane bamboo floor coating layer. Background Technique

[0002] Bamboo floor coatings are coatings specially used for the surface protection and decoration of bamboo floors. Bamboo floors usually have super insect-proof functions, are environmentally friendly and non-toxic, firm and stable, do not delaminate, and do not deform. However, in order to increase their service life and beautify the appearance, surface coating protection is often required.

[0003] The invention patent with the publication number of CN102504624A discloses an environmentally friendly coating for bamboo floors, which is prepared by stirring the following raw materials according to the weight ratio: 50-60 parts of acrylic acid, 30-40 parts of acrylonitrile, 60-70 parts of butyl acrylate, 20-24 parts of tung oil, 10-13 parts of aluminum stearate, 30-35 parts of ethylenediamine, 30-35 parts of ethanol, and 130-150 parts of water; it has been proved by industrial tests that the surface of bamboo floors is coated with this product, which can effectively inhibit the release of harmful substances such as formaldehyde.

[0004] However, the existing bamboo floor coating layer has a small adhesion between the floors, is easy to fall off, and has poor anti-aging property, wear resistance, scratch resistance, and water resistance, which affects the service life. Therefore, improvement is needed. Content of the Utility Model

[0005] The purpose of the utility model is to provide a natural color polyurethane bamboo floor coating layer, which solves the problems that the existing bamboo floor coating layer has a small adhesion between the floors, is easy to fall off, and has poor anti-aging property, wear resistance, scratch resistance, and water resistance, which affects the service life.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a natural color polyurethane bamboo floor coating layer, including a bamboo floor main body, a coating layer is arranged on the upper end of the bamboo floor main body, the coating layer includes a water-resistant layer, an intermediate layer is arranged on the upper surface of the water-resistant layer, an anti-aging layer is arranged on the upper surface of the intermediate layer, and a surface layer is arranged on the upper surface of the anti-aging layer.

[0007] Preferably, a plurality of V-shaped grooves are opened on the upper end of the bamboo floor main body, and the coating layer is embedded in the V-shaped grooves. Through the setting of the V-shaped grooves, the bonding ability between the coating layer and the bamboo floor main body can be increased.

[0008] Preferably, the material of the water-resistant layer is polyurea waterproof coating, and the thickness is 0.2 mm. Through the setting of the water-resistant layer, the water resistance of the coating layer can be increased.

[0009] Preferably, the material of the intermediate layer is epoxy varnish and the thickness is 0.2 mm. Through the setting of the intermediate layer, it is convenient for the transition of the coatings on its upper and lower surfaces.

[0010] Preferably, the material of the anti-aging layer is silicone paint and the thickness is 0.2 mm. Through the setting of the anti-aging layer, the aging and discoloration of the coating layer can be prevented.

[0011] Preferably, the material of the surface layer is natural color waterborne polyurethane paint and the thickness is 0.2 mm. Through the setting of the surface layer, the surface hardness of the coating layer can be improved, and at the same time, the surface friction can be reduced, thereby increasing the wear resistance and scratch resistance of the coating layer.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. In the present utility model, by coating a coating layer on the surface of the bamboo floor main body, the coating layer is composed of a water-resistant layer, an intermediate layer, an anti-aging layer and a surface layer. Among them, the anti-aging layer uses silicone paint, which can increase the anti-aging property of the coating layer and is not easily oxidized and discolored inside due to light. And the surface layer is natural color waterborne polyurethane paint, which can improve the surface hardness of the coating layer and at the same time reduce the surface friction, thereby increasing the wear resistance and scratch resistance of the coating layer.

[0014] 2. In the present utility model, by opening V-shaped grooves on the bamboo floor main body, the bonding ability between the coating layer and the bamboo floor main body can be increased, so that the adhesion of the coating layer is better. And the bottom two layers of the coating layer are respectively a water-resistant layer and an intermediate layer. Among them, the water-resistant layer uses polyurea waterproof paint, which can increase the water resistance of the coating layer, and the intermediate layer is epoxy varnish, which is convenient for the transition of the coatings on its upper and lower surfaces, so as to maintain the natural texture of the bamboo floor main body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a three-dimensional view of the overall structure of the present utility model;

[0016] Figure 2 is of the present utility model Figure 1 structural schematic diagram of the bamboo floor main body;

[0017] Figure 3 is of the present utility model Figure 1 front view;

[0018] Figure 4 is of the present utility model Figure 1 structural schematic diagram of the coating layer.

[0019] In the figure: 1. Bamboo floor main body; 11. V-shaped groove; 2. Coating layer; 21. Water-resistant layer; 22. Intermediate layer; 23. Anti-aging layer; 24. Surface layer. Detailed Implementation Modes

[0020] Next, in combination with the accompanying drawings in the embodiments of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figures 1-4 , a natural color polyurethane bamboo floor coating layer, including a bamboo floor main body 1. A plurality of V-shaped grooves 11 are opened at the upper end of the bamboo floor main body 1, and the coating layer 2 is embedded in the V-shaped grooves 11. Through the setting of the V-shaped grooves 11, the bonding ability between the coating layer 2 and the bamboo floor main body 1 can be increased. A coating layer 2 is provided on the upper end of the bamboo floor main body 1. The coating layer 2 includes a water-resistant layer 21. An intermediate layer 22 is provided on the upper surface of the water-resistant layer 21. An anti-aging layer 23 is provided on the upper surface of the intermediate layer 22. A surface layer 24 is provided on the upper surface of the anti-aging layer 23.

[0022] Please refer to Figure 4 , the material of the water-resistant layer 21 is polyurea waterproof coating, and the thickness is 0.2 mm. Through the setting of the water-resistant layer 21, the water resistance of the coating layer 2 can be increased. The material of the intermediate layer 22 is epoxy varnish, and the thickness is 0.2 mm. Through the setting of the intermediate layer 22, it is convenient for the transition of the coatings on its upper and lower surfaces. The material of the anti-aging layer 23 is silicone coating, and the thickness is 0.2 mm. Through the setting of the anti-aging layer 23, the aging and discoloration of the coating layer 2 can be prevented. The material of the surface layer 24 is natural color waterborne polyurethane coating, and the thickness is 0.2 mm. Through the setting of the surface layer 24, the surface hardness of the coating layer 2 can be improved, and at the same time, the surface friction force can be reduced, thereby increasing the scratch resistance of the coating layer 2.

[0023] The specific implementation process of the present utility model is as follows: First, V-shaped grooves 11 are opened on the bamboo floor main body 1, and then the water-resistant layer 21 is coated on the surface of the bamboo floor main body 1. The water-resistant layer 21 uses polyurea waterproof coating, which can increase the water resistance of the coating layer 2, and the water-resistant layer 21 will penetrate into the V-shaped grooves 11. After it hardens, the intermediate layer 22, the anti-aging layer 23 and the surface layer 24 are continuously coated. The intermediate layer 22 is epoxy varnish, which is convenient for the transition of the coatings on its upper and lower surfaces, so as to maintain the natural texture of the bamboo floor main body 1. The anti-aging layer 23 uses silicone coating, which can increase the anti-aging property of the coating layer 2 and is not easy to cause internal oxidation and discoloration due to light. The surface layer 24 is polyurethane coating, which can improve the surface hardness of the coating layer 2 and at the same time reduce the surface friction force, thereby increasing the wear resistance and scratch resistance of the coating layer 2.

[0024] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A natural color polyurethane bamboo floor coating layer, comprising a bamboo floor main body (1), characterized in that: A coating layer (2) is provided at the upper end of the bamboo floor main body (1), a plurality of V-shaped grooves (11) are provided at the upper end of the bamboo floor main body (1), and the coating layer (2) is embedded in the V-shaped grooves (11), the coating layer (2) comprises a water-resistant layer (21), an intermediate layer (22) is provided on the upper surface of the water-resistant layer (21), an anti-aging layer (23) is provided on the upper surface of the intermediate layer (22), and a surface layer (24) is provided on the upper surface of the anti-aging layer (23).

2. The natural color polyurethane bamboo floor coating layer according to claim 1, characterized in that: The material of the water-resistant layer (21) is polyurea waterproof coating and has a thickness of 0.2 mm.

3. The natural color polyurethane bamboo floor coating layer according to claim 1, characterized in that: The material of the intermediate layer (22) is epoxy varnish and has a thickness of 0.2 mm.

4. The natural color polyurethane bamboo floor coating layer according to claim 1, characterized in that: The anti-aging layer (23) is made of organic silicon coating and has a thickness of 0.2 mm.

5. The natural color polyurethane bamboo floor coating layer according to claim 1, characterized in that: The surface layer (24) is made of natural color water-based polyurethane paint and has a thickness of 0.2 mm.

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