Diamond spark coating for wood board as well as preparation method and coating process of diamond spark coating

Abstract

The invention discloses a diamond spark coating for a wood board and a preparation method and a coating process of the diamond spark coating. The coating process comprises the following steps that firstly, the wood board is conveyed to a workbench through a feeding mechanism; thirdly, the surface of the wood board is coated with a UV water-based adhesive layer; then, the UV water-based adhesive agent layer is coated with a filling layer; then, the filling layer is coated with a diamond spark coating; the diamond spark coating comprises at least one wear-resistant primer layer and at least one wear-resistant finish paint layer which are sequentially arranged from inside to outside; and finally, the coated wood board is moved down from the workbench through a discharging mechanism. The invention further discloses the diamond spark coating for the wood board and a preparation method of the diamond spark coating. According to the method, the Mohs hardness of the coating surface of the wood board can be greatly improved, the abrasion of the coating surface is remarkably reduced, the practicability of the wood board is improved, and the surface coating effect of scraping resistance and abrasion resistance is achieved.

Description

Technical Field

[0001] The invention belongs to the technical field of wood board coating, and in particular relates to a diamond mars coating for wood board and a preparation method and coating process thereof, which is suitable for wood board for indoor floor decoration. Background Art

[0002] With the rapid development of modern economy, people have put forward higher and higher requirements for the comprehensive performance of indoor home decoration, such as beauty and practicality. In the field of indoor floor and wall decoration materials, wooden floor is widely used. Most wooden boards are made of wood (such as pine, fir, miscellaneous wood and other logs), with good thermal conductivity, comfortable feeling, real elasticity, durability, natural grain, most of them have the unique fragrance of natural wood, good moisture absorption and air permeability, beneficial to human health, green and pollution-free. The surface of traditional wooden boards is usually coated with a coating for providing protection to protect the wooden boards and increase the service life and beauty of the wooden boards.

[0003] UV curing coating is a new type of green coating that is environmentally friendly, efficient and energy-saving. It is mainly composed of photosensitive resin, active monomer diluent, photoinitiator and various additives. Ultraviolet (UV) curing coating technology uses ultraviolet light of a specific wavelength to trigger the decomposition of the photoinitiator in the coating, generate active free radicals, and then trigger the unsaturated double bonds of the photosensitive resin and the active monomer diluent to cause a chemical reaction, thereby achieving rapid curing of the coating. UV curing coatings are widely used in surface coatings of furniture, floors, mobile phone casings, cosmetics, household appliances and motorcycles.

[0004] The surface of wooden boards is usually coated with UV-curable coatings to prevent the surface of wooden boards from being scratched by hard objects, or from being pitted or decorated. If the hardness of the UV-curable coating is not enough, the purpose of protecting the surface of wooden boards cannot be achieved. Therefore, it is particularly important to improve the hardness of the UV-curable coating. However, the existing UV-curable coatings still do not perform well in terms of hardness and wear resistance, and still cannot completely prevent the UV-curable coatings from being scratched or pitted. Therefore, there is an urgent need for a technology that can improve the hardness and wear resistance of the coating on the surface of wooden boards to effectively protect wooden boards. Summary of the invention

[0005] In order to solve the above problems, the purpose of the present invention is to provide a diamond mars coating for wood board and its preparation method and coating process.

[0006] In order to achieve the above-mentioned invention object, the present invention adopts the following technical scheme: A coating process of a diamond Mars coating for a wood board comprises the following steps: S1, conveying the wooden board to the workbench by the feeding mechanism; S2, coating a layer of UV water-based adhesive on the surface of the wooden board in step S1; S3, coating a filling layer on the UV water-based adhesive layer in step S2; S4, apply a layer of diamond Mars coating on the filling layer in step S3; the diamond Mars coating includes a wear-resistant primer layer and a wear-resistant topcoat layer arranged in sequence from the inside to the outside, and the wear-resistant primer layer includes at least one layer; the wear-resistant primer includes the following raw materials in parts by weight: 3-5 parts of epoxy acrylate, 30-50 parts of polycarbonate polyurethane acrylate, 20-30 parts of acrylate monomer, 15-30 parts of superhard wear-resistant powder, 3-5 parts of photoinitiator, and 1-3 parts of additives; the wear-resistant topcoat includes the following raw materials in parts by weight: epoxy 3-5 parts of acrylate, 20-40 parts of polycarbonate polyurethane acrylate, 30-40 parts of acrylate monomer, 10-20 parts of superhard wear-resistant powder, 5-15 parts of matting powder, 3-5 parts of photoinitiator, and 2-4 parts of auxiliary agent; the superhard wear-resistant powder includes one or a mixture of diamond micropowder, aluminum oxide micropowder, boron carbide micropowder, and silicon carbide micropowder; the particle size of the diamond micropowder is 5-25μm; the particle size of aluminum oxide micropowder, boron carbide micropowder, and silicon carbide micropowder is 20-50μm; S5, the wooden board in step S4 is removed from the workbench by the unloading mechanism.

[0007] Furthermore, in the above step S2, the coating amount of the UV water-based adhesive layer is 10 to 15 g / m 2 The viscosity is 50-90s when measured by coating-4 cups at 40℃; it is achieved by drying with an infrared lamp at a temperature of 85-100℃.

[0008] Furthermore, color concentrate is added to the above-mentioned UV water-based adhesive layer, and the amount of color concentrate added is 3-8% of the mass of the UV water-based adhesive, which is used to enhance the adhesion of the coating and color the wooden board.

[0009] Furthermore, in the above-mentioned step S3, the filling layer includes a UV adhesion primer layer, a UV transparent putty layer, a first UV transparent sanding base layer, a UV wear-resistant base layer, a UV elastic primer layer, a second UV transparent sanding base layer, and a UV transparent primer layer, which are arranged in sequence from the inside to the outside; the filling layer is used to fill the wooden board, which can effectively prevent the wooden board from swelling and collapse.

[0010] Furthermore, in the above-mentioned step S3, the filling layer includes a UV adhesion primer layer, a first UV transparent putty layer, a first UV transparent sanding base layer, a second UV transparent putty layer, a UV wear-resistant base layer, a UV elastic primer layer, a second UV transparent sanding base layer, and a UV transparent primer layer, which are arranged in sequence from the inside to the outside.

[0011] Furthermore, in the above step S3, the total coating amount of the filling layer is 110-220 g / m 2 .

[0012] Furthermore, in the above step S4, the coating amount of the wear-resistant primer layer is 80-120 g / m 2 The viscosity at 25°C is 3000-5000cps; the coating amount of the wear-resistant topcoat layer is 8-15g / m 2 , the viscosity is 50-100s when measured by coating-4 cup at 40℃.

[0013] Furthermore, in the above step S4, the wear-resistant primer layer is applied in four passes.

[0014] Furthermore, in the above step S4, the acrylate monomer includes one or a mixture of methyl methacrylate, propoxylated neopentyl glycol diacrylate, dipropylene glycol diacrylate, tripropylene glycol diacrylate, 1,6-hexanediol diacrylate, trimethylolpropane triacrylate, and ethoxylated trimethylolpropane triacrylate.

[0015] Furthermore, in the above step S4, the auxiliary agent is one or a mixture of defoaming agent, dispersant, anti-settling agent and leveling agent.

[0016] A diamond mars coating for a wood board comprises a wear-resistant primer layer and a wear-resistant topcoat layer, wherein the wear-resistant primer layer comprises the following raw materials in parts by weight: 3-5 parts of epoxy acrylate, 30-50 parts of polycarbonate type polyurethane acrylate, 20-30 parts of acrylate monomer, 15-30 parts of superhard wear-resistant powder, 3-5 parts of photoinitiator, and 1-3 parts of auxiliary agent; the wear-resistant topcoat layer comprises the following raw materials in parts by weight: 3-5 parts of epoxy acrylate, 30-50 parts of polycarbonate type polyurethane acrylate, 20-30 parts of acrylate monomer, 15-30 parts of superhard wear-resistant powder, 3-5 parts of photoinitiator, and 1-3 parts of auxiliary agent. 20-40 parts of ester, 30-40 parts of acrylate monomer, 10-20 parts of superhard wear-resistant powder, 5-15 parts of matting powder, 3-5 parts of photoinitiator, and 2-4 parts of auxiliary agent; the superhard wear-resistant powder includes one or a mixture of diamond micropowder, aluminum oxide micropowder, boron carbide micropowder, and silicon carbide micropowder; the particle size of the diamond micropowder is 5-25μm; the particle size of the aluminum oxide micropowder, boron carbide micropowder, and silicon carbide micropowder are all 20-50μm.

[0017] Furthermore, the above-mentioned acrylate monomer includes one or a mixture of methyl methacrylate, propoxylated neopentyl glycol diacrylate, dipropylene glycol diacrylate, tripropylene glycol diacrylate, 1,6-hexanediol diacrylate, trimethylolpropane triacrylate, and ethoxylated trimethylolpropane triacrylate.

[0018] Furthermore, the above-mentioned auxiliary agent is one or a mixture of defoaming agent, dispersant, anti-settling agent and leveling agent.

[0019] The above-mentioned wooden board is coated with diamond sparks, and its Mohs hardness is 7H~9H and the abrasion is 0.05~0.023 / 100r.

[0020] A method for preparing a diamond Mars coating for a wood board, comprising a method for preparing a wear-resistant primer layer and a method for preparing a wear-resistant topcoat layer, wherein: The preparation method of the wear-resistant primer layer is as follows: epoxy acrylate, polycarbonate polyurethane acrylate and acrylate monomer are added into a paint making tank according to a ratio, and an auxiliary agent and a photoinitiator are added and stirred at a speed of 400 to 600 rpm; then, superhard wear-resistant powder is added into the paint making tank and stirred at a speed of 800 to 1000 rpm, and finally, the viscosity is adjusted to 3000 to 5000 cps / 25°C; The preparation method of the wear-resistant topcoat layer is as follows: epoxy acrylate, polycarbonate polyurethane acrylate, and acrylate monomer are added into a paint tank, and auxiliary agents and photoinitiators are added and stirred at a speed of 400 to 600 rpm; then, superhard wear-resistant powder is added into the paint tank and stirred at a speed of 800 to 1000 rpm, and finally, the viscosity is adjusted to 50 to 100 s coating -4 cups / 40°C.

[0021] Due to the adoption of the above-mentioned technical solution, the present invention has the following advantages: The coating process of the wooden board with diamond Mars coating has a reasonable process flow design, is easy to control, has stable quality, and is easy to operate. Combined with UV curing with different energies, the Mohs hardness of the coating surface of the wooden board is greatly improved, and the wear of the coating surface is significantly reduced. It can solve the problem that the surface hardness of the wooden board does not meet the standard, causing it to collapse and form small pits, and the problem that the coating surface is easy to scratch after long-term use due to the wear resistance coefficient not meeting the standard, thereby improving the practicality of the wooden board and having a scratch-resistant and wear-resistant surface coating effect.

[0022] The Diamond Mars coating for the wood board adopts polycarbonate polyurethane acrylate, which is synthesized by addition polymerization of different types of isocyanates and polycarbonate polyols, and has good mechanical properties, hydrolysis resistance, impact resistance, wear resistance and scratch resistance. The super-hard wear-resistant powder can greatly improve the hardness and wear resistance coefficient of the coating. Through the effective combination of polycarbonate polyurethane acrylate, acrylate monomer and super-hard wear-resistant powder, the coating has good toughness, and at the same time has excellent hardness and wear resistance. DETAILED DESCRIPTION

[0023] The technical scheme of the present invention is further described in detail below in conjunction with the embodiments. It should be understood by those skilled in the art that the embodiments are only used to help understand the present invention and should not be regarded as specific limitations of the present invention.

[0024] The sources of some components in the examples are as follows: The photoinitiator is one or a mixture of 2,4,6-trimethylbenzoyl-diphenylphosphine oxide (PTO), phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide (819), 1-hydroxycyclohexylphenyl ketone (184), and 2-hydroxy-2-methyl-1-phenylpropanone (1173).

[0025] The matting powder is Grace RAD2105 and / or Degussa ACEMATT OK500.

[0026] Example 1 A diamond mars coating for a wood board, comprising a wear-resistant primer layer and a wear-resistant topcoat layer, wherein the wear-resistant primer layer comprises the following raw materials in parts by weight: Epoxy acrylate 5 parts 45 parts of polycarbonate polyurethane acrylate 26.3 parts of ethoxylated trimethylolpropane triacrylate 2 parts of diamond powder 10 parts of aluminum oxide powder Boron carbide powder 6 parts Photoinitiator 184 4 parts Dispersant AFCONA-4010 1 part Defoamer TEGO 920 0.1 part Rheological additive BYK 405 0.1 part 0.5 parts of anti-settling agent fumed silica Cabot M-5; The wear-resistant topcoat layer comprises the following raw materials in parts by weight: Epoxy acrylate 3 parts 35 parts of polycarbonate polyurethane acrylate 31.3 parts of ethoxylated trimethylolpropane triacrylate 2 parts of diamond powder 8 parts of aluminum oxide powder Boron carbide powder 5 parts Photoinitiator 184 4 parts Dispersant AFCONA-4010 1 part Defoaming agent TEGO920 0.1 part Leveling agent TEGO450 0.1 part Rheological additive BYK 405 0.1 part Anti-settling agent fumed silica Cabot M-5 0.5 parts Matting powder Grace RAD2105 10 copies.

[0027] Preferably, the epoxy acrylate is Changxing Etercure 6215-100; the polycarbonate polyurethane acrylate is Changxing Etercure 6157B-80.

[0028] The preparation method of the wear-resistant primer layer is as follows: epoxy acrylate, polycarbonate polyurethane acrylate, and ethoxylated trimethylolpropane triacrylate are added to a paint tank according to a ratio, and dispersant AFCONA-4010, defoamer TEGO 920, rheological additive BYK405, anti-settling agent Cabot M-5, and photoinitiator 184 are added at a speed of 400 to 600 rpm and stirred evenly; then diamond micropowder, aluminum oxide micropowder, and boron carbide micropowder are added to the paint tank, and stirred evenly at a speed of 800 to 1000 rpm, and finally the viscosity is adjusted to 3000 to 5000 cps / 25°C; The preparation method of the above-mentioned wear-resistant topcoat layer is as follows: epoxy acrylate, polycarbonate polyurethane acrylate, and ethoxylated trimethylolpropane triacrylate are added to a paint tank, and dispersant AFCONA-4010, defoamer TEGO 920, leveling agent TEGO 450, rheological additive BYK 405, and anti-settling agent Cabot M-5 are added at a speed of 400-600 rpm and stirred evenly; then diamond micropowder, aluminum oxide micropowder, boron carbide micropowder, and matting powder Grace RAD2105 are added to the paint tank, and stirred evenly at a speed of 800-1000 rpm, and finally the viscosity is adjusted to 50-100s Coating-4 cups / 40°C.

[0029] A coating process of a diamond Mars coating for a wood board comprises the following steps: S1, conveying the wooden board to the workbench by the feeding mechanism; S2: Coat a layer of UV water-based adhesive on the surface of the wooden board in step S1. The coating amount of the UV water-based adhesive is 12 g / m 2 , the viscosity is 60s when measured by coating -4 cups at 40℃, and the temperature is 85~100℃ after drying by infrared lamp; S3, coating a filling layer on the UV water-based adhesive layer in step S2, including the following sub-steps: S3-1, coating a layer of UV adhesion primer on the UV water-based adhesion agent layer in step S2, the coating amount of the UV adhesion primer layer is 21g / m 2 , dried by UV curing lamp, UV energy is 150~200mJ / cm 2 ; S3-2, coating a first UV transparent putty layer on the UV adhesion primer layer, the coating amount of the first UV transparent putty layer is 24g / m 2, dried by UV curing lamp, UV energy is 80~100mJ / cm 2 ; S3-3, coating a first UV transparent sanding bottom layer on the UV transparent putty layer, the coating amount of the first UV transparent sanding bottom layer is 16g / m 2 , dried by UV curing lamp, UV energy is 180~220mJ / cm 2 ; S3-4, use a sanding machine to sand the surface to make it flat and smooth. The sandpaper used for sanding is 320# light sand; S3-5, apply a second UV transparent putty layer, the coating amount of the second UV transparent putty layer is 40g / m 2 , dried by UV curing lamp, UV energy is 80~100mJ / cm 2 ; S3-6, apply a layer of UV wear-resistant bottom layer, the coating amount of UV wear-resistant bottom layer is 20g / m 2 , dried by UV curing lamp, UV energy is 120~180mJ / cm 2 ; S3-7, apply a layer of UV elastic primer layer, the coating amount of the UV elastic primer layer is 12g / m 2 , dried by UV curing lamp, UV energy is 80~100mJ / cm 2 ; S3-8, apply a second UV transparent sanding bottom layer on the UV transparent putty layer, the coating amount of the second UV transparent sanding bottom layer is 12g / m 2 , dried by UV curing lamp, UV energy is 180~220mJ / cm 2 ; S3-9, use a sanding machine to sand the surface to make it flat and smooth. The sandpaper used for sanding is 320# light sand; S3-10, apply a layer of UV transparent primer, the coating amount of UV transparent primer is 15g / m 2 , dried by UV curing lamp, UV energy is 60~120mJ / cm 2 ; S4, coating a layer of diamond Mars coating on the filling layer in step S3, the diamond Mars coating includes a wear-resistant primer layer and a wear-resistant topcoat layer arranged in sequence from the inside to the outside, and the coating amount of the wear-resistant primer layer is 20g / m 2 , dried by UV curing lamp, UV energy is 60~120mJ / cm 2 ; The coating amount of the wear-resistant topcoat layer is 18g / m 2 , dried by UV curing lamp, UV energy is 420~450mJ / cm2 ; S5, the wooden board in step S4 is removed from the workbench by the unloading mechanism.

[0030] Example 2 A diamond martian coating for a wood board and a preparation method thereof are the same as those in Example 1, except that in step S4 of the coating process for the diamond martian coating for the wood board, the wear-resistant primer layer is applied in two layers, and the coating amount of the first wear-resistant primer layer is 25 g / m 2 , dried by UV curing lamp, UV energy is 180~240mJ / cm 2 ; The coating amount of the second wear-resistant primer layer is 20g / m 2 , dried by UV curing lamp, UV energy is 60~120mJ / cm 2 .

[0031] Example 3 A diamond martian coating for a wood board and a preparation method thereof are the same as those in Example 1, except that in step S4 of the coating process for the diamond martian coating for the wood board, the wear-resistant primer layer is applied in three layers, and the coating amount of the first wear-resistant primer layer is 30 g / m 2 , dried by UV curing lamp, UV energy is 180~240mJ / cm 2 ; The coating amount of the second wear-resistant primer layer is 25g / m 2 , dried by UV curing lamp, UV energy is 180~240mJ / cm 2 ; The coating amount of the third wear-resistant primer layer is 20g / m 2 , dried by UV curing lamp, UV energy is 60~120mJ / cm 2 .

[0032] Example 4 A diamond martian coating for a wood board and a preparation method thereof are the same as those in Example 1, except that in step S4 of the coating process for the diamond martian coating for the wood board, the wear-resistant primer layer is applied in four layers, and the coating amount of the first wear-resistant primer layer is 32 g / m 2 , dried by UV curing lamp, UV energy is 60~120mJ / cm 2 ; The coating amount of the second wear-resistant primer layer is 30g / m 2 , dried by UV curing lamp, UV energy is 180~240mJ / cm 2 ; The coating amount of the third wear-resistant primer layer is 25g / m 2 , dried by UV curing lamp, UV energy is 180~240mJ / cm 2; The coating amount of the fourth wear-resistant primer layer is 20g / m 2 , dried by UV curing lamp, UV energy is 60~120mJ / cm 2 .

[0033] Example 5 A preparation method of a diamond Mars coating for wooden panels and a coating process thereof are the same as those in Example 4, the main difference being that the wear-resistant primer layer and the wear-resistant topcoat layer of the diamond Mars coating contain different amounts of diamond micropowder.

[0034] A diamond mars coating for a wood board, comprising a wear-resistant primer layer and a wear-resistant topcoat layer, wherein the wear-resistant primer layer comprises the following raw materials in parts by weight: Epoxy acrylate 5 parts 45 parts of polycarbonate polyurethane acrylate 26.3 parts of ethoxylated trimethylolpropane triacrylate Diamond powder 1 part 10 parts of aluminum oxide powder Boron carbide powder 6 parts Photoinitiator 184 4 parts Dispersant AFCONA-4010 1 part Defoamer TEGO 920 0.1 part Rheological additive BYK 405 0.1 part 0.5 parts of anti-settling agent fumed silica Cabot M-5; The wear-resistant topcoat layer comprises the following raw materials in parts by weight: Epoxy acrylate 3 parts 35 parts of polycarbonate polyurethane acrylate 32.3 parts of ethoxylated trimethylolpropane triacrylate Diamond powder 1 part 8 parts of aluminum oxide powder Boron carbide powder 5 parts Photoinitiator 184 4 parts Dispersant AFCONA-4010 1 part Defoaming agent TEGO920 0.1 part Leveling agent TEGO450 0.1 part Rheological additive BYK 405 0.1 part Anti-settling agent fumed silica Cabot M-5 0.5 parts Matting powder Grace RAD2105 10 copies.

[0035] Example 6 A preparation method of a diamond Mars coating for wooden panels and a coating process thereof are the same as those in Example 4, the main difference being that the wear-resistant primer layer and the wear-resistant topcoat layer of the diamond Mars coating contain different amounts of diamond micropowder.

[0036] A diamond mars coating for a wood board, comprising a wear-resistant primer layer and a wear-resistant topcoat layer, wherein the wear-resistant primer layer comprises the following raw materials in parts by weight: Epoxy acrylate 5 parts 45 parts of polycarbonate polyurethane acrylate 21.3 parts of ethoxylated trimethylolpropane triacrylate 4 parts of diamond powder 10 parts of aluminum oxide powder Boron carbide powder 6 parts Photoinitiator 184 4 parts Dispersant AFCONA-4010 1 part Defoamer TEGO 920 0.1 part Rheological additive BYK 405 0.1 part 0.5 parts of anti-settling agent fumed silica Cabot M-5; The wear-resistant topcoat layer comprises the following raw materials in parts by weight: Epoxy acrylate 3 parts 35 parts of polycarbonate polyurethane acrylate 29.3 parts of ethoxylated trimethylolpropane triacrylate 4 parts of diamond powder 8 parts of aluminum oxide powder Boron carbide powder 5 parts Photoinitiator 184 4 parts Dispersant AFCONA-4010 1 part Defoaming agent TEGO920 0.1 part Leveling agent TEGO450 0.1 part Rheological additive BYK 405 0.1 part Anti-settling agent fumed silica Cabot M-5 0.5 parts Matting powder Grace RAD2105 10 copies.

[0037] Test Example 1 The performance of the wood board surface obtained by the coating process in Examples 1 to 4 above was evaluated, and the results are shown in the following table:

[0038]

[0039] The performance evaluation results in Test Example 1 show that the more times the wear-resistant primer layer is applied and the thicker the coating is, the better the hardness and wear resistance of the coating will be. Considering other properties of the paint film, applying four coats of wear-resistant primer is the best choice.

[0040] Test Example 2 The performance of the wood board surface obtained by the different wear-resistant coatings in Examples 4 to 6 above was evaluated, and the results are shown in the following table:

[0041]

[0042] It can be seen from the performance evaluation results in Test Example 2 that the higher the weight ratio of diamond powder in the wear-resistant coating, the better the hardness and wear resistance of the coating.

[0043] Quick test: When the surface of the coating of the present invention is vigorously polished with an electric grinding wheel, sparks will be generated. The coating is not damaged after polishing, and the surface is not easily scratched by scraping with a coin.

[0044] The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Without departing from the spirit and scope of the present invention, all equivalent changes and modifications made within the scope of the patent application of the present invention shall fall within the scope of patent protection of the present invention.

Claims

1. A coating process for a diamond Mars coating for a wood board, characterized by: It includes the following steps: S1, conveying the wooden board to the workbench by the feeding mechanism; S2, coating a layer of UV water-based adhesive on the surface of the wooden board in step S1; S3, coating a filling layer on the UV water-based adhesive layer in step S2; S4, coating a layer of diamond martian coating on the filling layer in step S3; The diamond Mars coating comprises a wear-resistant primer layer and a wear-resistant topcoat layer arranged in sequence from the inside to the outside, wherein the wear-resistant primer layer comprises at least one layer; the wear-resistant primer comprises the following raw materials in parts by weight: 3-5 parts of epoxy acrylate, 30-50 parts of polycarbonate type polyurethane acrylate, 20-30 parts of acrylate monomer, 15-30 parts of superhard wear-resistant powder, 3-5 parts of photoinitiator, and 1-3 parts of auxiliary agent; the wear-resistant topcoat comprises the following raw materials in parts by weight: 3-5 parts of epoxy acrylate, 30-50 parts of polycarbonate type polyurethane acrylate, 20-30 parts of acrylate monomer, 15-30 parts of superhard wear-resistant powder, 3-5 parts of photoinitiator, and 1-3 parts of auxiliary agent; 20-40 parts of ester type polyurethane acrylate, 30-40 parts of acrylate monomer, 10-20 parts of superhard wear-resistant powder, 5-15 parts of matting powder, 3-5 parts of photoinitiator, and 2-4 parts of auxiliary agent; the superhard wear-resistant powder includes one or a mixture of diamond micropowder, aluminum oxide micropowder, boron carbide micropowder, and silicon carbide micropowder; the particle size of the diamond micropowder is 5-25μm; the particle size of aluminum oxide micropowder, boron carbide micropowder, and silicon carbide micropowder is 20-50μm; S5, the wooden board in step S4 is removed from the workbench by the unloading mechanism.

2. The coating process of the diamond martian coating for the wood board according to claim 1 is characterized by: It also Includes any one or more of the following characteristics: (1) In step S2, the coating amount of the UV water-based adhesive layer is 10 to 15 g / m 2 , the viscosity is 50-90s under the measurement of 4 cups at 40℃; it is achieved by infrared lamp drying, the temperature is 85-100℃; (2) Add color concentrate to the UV water-based adhesive layer. The amount of color concentrate added is 3-8% of the mass of the UV water-based adhesive. (3) In step S3, the total coating amount of the filling layer is 110 to 220 g / m 2 .

3. The coating process of the diamond martian coating for the wood board according to claim 1 is characterized by: In step S3, the filling layer includes a UV adhesion primer layer, a UV transparent putty layer, a first UV transparent sanding bottom layer, a UV wear-resistant bottom layer, a UV elastic primer layer, a second UV transparent sanding bottom layer, and a UV transparent primer layer, which are sequentially arranged from the inside to the outside; Alternatively, the filling layer includes a UV adhesion primer layer, a UV transparent putty layer, a first UV transparent sanding bottom layer, a UV wear-resistant bottom layer, a UV elastic primer layer, a second UV transparent sanding bottom layer, and a UV transparent primer layer, which are arranged in sequence from the inside to the outside.

4. The coating process of the diamond martian coating for the wood board according to claim 1 is characterized by: In step S4, the coating amount of the wear-resistant primer layer is 80-120 g / m 2 The viscosity at 25°C is 3000-5000cps; the coating amount of the wear-resistant topcoat layer is 8-15g / m 2 , the viscosity is 50-100s when measured by coating-4 cup at 40℃.

5. The coating process of the diamond martian coating for the wood board according to claim 1 is characterized by: In step S4, the wear-resistant primer layer is applied in four passes.

6. The coating process of the diamond martian coating for the wood board according to claim 1 is characterized by: It also includes any one or more of the following features: (1) In step S4, the acrylate monomer includes one or a mixture of methyl methacrylate, propoxylated neopentyl glycol diacrylate, dipropylene glycol diacrylate, tripropylene glycol diacrylate, 1,6-hexanediol diacrylate, trimethylolpropane triacrylate, and ethoxylated trimethylolpropane triacrylate; (2) In step S4, the auxiliary agent is one or a mixture of a defoaming agent, a dispersant, an anti-settling agent, and a leveling agent.

7. A diamond martian coating for a wood board in the coating process according to any one of claims 1 to 6, characterized in that: The invention comprises a wear-resistant primer layer and a wear-resistant topcoat layer. The wear-resistant primer layer comprises the following raw materials in parts by weight: 3-5 parts of epoxy acrylate, 30-50 parts of polycarbonate type polyurethane acrylate, 20-30 parts of acrylate monomer, 15-30 parts of superhard wear-resistant powder, 3-5 parts of photoinitiator, and 1-3 parts of auxiliary agent; the wear-resistant topcoat layer comprises the following raw materials in parts by weight: 3-5 parts of epoxy acrylate, 20-40 parts of polycarbonate type polyurethane acrylate, 30-40 parts of acrylate monomer, superhard wear-resistant 10-20 parts of powder, 5-15 parts of matting powder, 3-5 parts of photoinitiator, and 2-4 parts of additives; the superhard wear-resistant powder includes one or a mixture of diamond powder, aluminum oxide powder, boron carbide powder, and silicon carbide powder; the particle size of the diamond powder is 5-25μm; the particle sizes of aluminum oxide powder, boron carbide powder, and silicon carbide powder are all 20-50μm; the Mohs hardness of the diamond Mars coating is 7H-9H, and the abrasion is 0.05-0.023 / 100r.

8. The diamond martian coating for wood board according to claim 7 is characterized by: It also includes any one or more of the following features: (1) The acrylate monomer includes one or a mixture of methyl methacrylate, propoxylated neopentyl glycol diacrylate, dipropylene glycol diacrylate, tripropylene glycol diacrylate, 1,6-hexanediol diacrylate, trimethylolpropane triacrylate, and ethoxylated trimethylolpropane triacrylate; (2) The additive is one or a mixture of defoaming agent, dispersant, anti-settling agent and leveling agent.

9. A method for preparing a diamond martian coating for a wood board according to claim 7 or 8, characterized in that: The invention comprises a method for preparing a wear-resistant primer layer and a method for preparing a wear-resistant topcoat layer, wherein: The preparation method of the wear-resistant primer layer is as follows: epoxy acrylate, polycarbonate polyurethane acrylate and acrylate monomer are added into a paint making tank according to a ratio, and an auxiliary agent and a photoinitiator are added and stirred at a speed of 400 to 600 rpm; then, superhard wear-resistant powder is added into the paint making tank and stirred at a speed of 800 to 1000 rpm, and finally, the viscosity is adjusted to 3000 to 5000 cps / 25°C; The preparation method of the wear-resistant topcoat layer is as follows: epoxy acrylate, polycarbonate polyurethane acrylate, and acrylate monomer are added into a paint tank, and auxiliary agents and photoinitiators are added and stirred at a speed of 400 to 600 rpm; then, superhard wear-resistant powder is added into the paint tank and stirred at a speed of 800 to 1000 rpm, and finally, the viscosity is adjusted to 50 to 100 s coating-4 cups / 40°C.

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