A wear-resistant anticorrosive coating and a method for preparing the same

Abstract

This invention relates to the field of wear-resistant and anti-corrosion coating technology, specifically to a wear-resistant and anti-corrosion coating and its preparation method. It comprises 5-7 parts by weight of modified nano-titanium dioxide particles, 2-4 parts by weight of MXenes, 2-4 parts by weight of a metal-organic framework, 85 parts by weight of a resin material, and 3-5 parts by weight of additives. By introducing modified nano-titanium dioxide particles, MXenes, and a metal-organic framework, combined with silicone resin, polyurethane resin, epoxy resin, or fluorinated polymer, and functional additives, this invention addresses the shortcomings of existing anti-corrosion and wear-resistant coating formulations. Through the composite of raw materials, the basic properties of the coating are improved, and additional functions are endowed to the coating, achieving multi-functional integration. This solves the problem of coatings having only a single property, providing a wider range of applications, higher levels of protection, and performance enhancement for optical and electronic devices. Simultaneously, the method employed simplifies the preparation process and improves production efficiency.

Description

Technical Field

[0001] This invention relates to the field of wear-resistant and corrosion-resistant coating technology, and more specifically, to a wear-resistant and corrosion-resistant coating and its preparation method. Background Technology

[0002] In the field of optoelectronic devices, such as solar cells, photodetectors, light-emitting diodes, and camera lenses, the performance of the coating directly affects the overall performance and lifespan of the device. Although existing anti-corrosion and wear-resistant coatings have provided protection to a certain extent, some unreasonable aspects in their formulations lead to shortcomings in practical applications.

[0003] Traditional anti-corrosion and wear-resistant coatings often incorporate functional additives during preparation to enhance performance. These typically involve a combination of nano-titanium dioxide, organic resins, and additives (UV absorbers, antistatic agents, etc.). However, this single-component approach struggles to simultaneously meet multiple performance requirements. For instance, while existing coatings offer corrosion and wear resistance, they lack integrated multi-functionality (optical properties, adhesion stability, conductivity, and thermal management, etc.), limiting their application range and restricting their use in various device types. Meeting multiple functional requirements simultaneously necessitates the blending of various materials, which not only increases costs but also complicates the preparation process. Summary of the Invention

[0004] The purpose of this invention is to provide a wear-resistant and corrosion-resistant coating and its preparation method to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, in one aspect, the present invention provides a wear-resistant and corrosion-resistant coating, comprising the following raw materials:

[0006] 5-7 parts by weight of modified nano-titanium dioxide particles were obtained by modifying nano-titanium dioxide with reinforcing materials;

[0007] MXenes, comprising 2-4 parts by weight, are a class of two-dimensional materials with unique properties, composed of transition metal carbides, nitrides, or carbonitrides, prepared by selective etching of the MAX phase (a ternary layered compound). MXenes exhibit excellent electrical and thermal conductivity, contributing to improved coating conductivity and heat dissipation. This is particularly important for devices requiring good thermal management, such as light-emitting diodes and photodetectors. Their high strength and toughness significantly enhance the coating's wear resistance and impact resistance, and they demonstrate good chemical stability in various environments, effectively resisting corrosion and oxidation.

[0008] 2-4 parts by weight of metal-organic framework. The porous structure of metal-organic framework can provide additional adsorption and storage capacity for coating, which helps to improve corrosion resistance and wear resistance. Secondly, the metal nodes in metal-organic framework can form chemical bonds or strong interactions with the reinforcing materials in nano-titanium dioxide, thereby enhancing the stability and functionality of composite materials.

[0009] The resin material comprises 85 parts by weight, using one of the following: silicone resin, polyurethane resin, epoxy resin, or fluorinated polymer. Silicone resin, polyurethane resin, and fluorinated polymer all possess excellent weather resistance and chemical resistance, and their combination with MXenes and MOFs further enhances the coating's anti-corrosion performance. Polyurethane resin and epoxy resin provide excellent mechanical strength and toughness, enhancing the coating's wear resistance and impact resistance. The high electrical and thermal conductivity of MXenes, combined with silicone or polyurethane resin, improves the coating's electrical conductivity and heat dissipation capacity. The high transparency and controllable refractive index of silicone resin and fluorinated polymer, combined with the light absorption characteristics of modified nano-titanium dioxide particles, optimize the coating's optical properties. By selecting different resin matrices, multiple functions can be integrated, such as antistatic, antifogging, and antifouling, providing possibilities for future multifunctional coating development. Silicone resin, polyurethane resin, epoxy resin, and fluorinated polymer, as matrix materials or binders, not only enhance the coating's basic properties but also achieve higher performance improvements through synergistic effects with modified nano-titanium dioxide particles, MXenes, and metal-organic frameworks.

[0010] 3-5 parts by weight of additives, including at least one of ultraviolet absorbers, antioxidants, light stabilizers, and antistatic agents. By adding these functional additives, the coating not only possesses basic anti-corrosion and wear-resistant properties but also gains additional protection and functionality, further improving its overall performance in various applications. Specifically:

[0011] The ultraviolet absorber is either UV-9 or UV-531;

[0012] The antioxidant additive is one of antioxidant 1010 or antioxidant 168;

[0013] The light stabilizer used is either Tinuvin 326 or Tinuvin 234;

[0014] The antistatic agent is either a polyether-modified polysiloxane or a quaternary ammonium salt antistatic agent.

[0015] As a further improvement to this technical solution, the modified nano-titanium dioxide particles are selected from one of the following: iron-doped nano-titanium dioxide particles, nitrogen-doped nano-titanium dioxide particles, carbon nanotube-reinforced nano-titanium dioxide particles, and nano-titanium dioxide particles coated with polyacrylate. By doping with elements such as iron or nitrogen, the modified nano-titanium dioxide particles can expand their light response range, thereby improving the absorption efficiency of visible light, which is particularly important in solar cells and photodetectors. Surface modification and coating treatment can improve the dispersibility and stability of nano-titanium dioxide particles, reduce surface defects, and thus enhance the weather resistance and mechanical strength of the coating. By controlling the size and morphology of the nano-titanium dioxide particles, the refractive index of the coating can be optimized, reflection loss can be reduced, and light transmittance can be improved.

[0016] As a further improvement to this technical solution, the metal-organic framework (MOF) is one of the following: iron-based MOF, zinc-based MOF, copper-based MOF, or aluminum-based MOF. MOFs possess high specific surface area and tunable pore structure, enabling them to adsorb and store moisture and harmful gases, thus improving the corrosion resistance of the coating. By selecting different metal ions and organic ligands, MOFs can endow the coating with specific functions, such as photocatalysis and gas adsorption. The metal nodes in the MOF form chemical bonds or strong interactions with the dopants (such as iron and nitrogen) in the nano-titanium dioxide, enhancing the stability and functionality of the material.

[0017] On the other hand, the present invention provides a method for preparing the wear-resistant and corrosion-resistant coating as described in any one of the above, comprising the following steps:

[0018] S1. Modified nano-titanium dioxide particles are obtained by modifying nano-titanium dioxide with reinforcing materials.

[0019] S2. MXenes were prepared by selective etching of the MAX phase;

[0020] S3. Metal-organic frameworks were prepared using a solvothermal method.

[0021] S4. Modified nano-titanium dioxide particles, MXenes, and metal-organic frameworks are mixed with resin materials and additives to form a coating material.

[0022] In this invention, the combination of MXenes and metal-organic frameworks provides excellent corrosion resistance. The high chemical stability of MXenes combined with the porous structure of the metal-organic framework effectively prevents corrosion from moisture and harmful gases. The high strength and toughness of MXenes, combined with the structural stability of the metal-organic framework, significantly improves the coating's wear resistance and impact resistance. The high electrical and thermal conductivity of MXenes, combined with the porous structure of the metal-organic framework, not only improves the coating's electrical conductivity but also enhances heat dissipation, extending the device's lifespan. Furthermore, the introduction of MXenes and the metal-organic framework enables the coating to remain stable in various environments, making it suitable for applications under harsh conditions. By selecting different metal-organic frameworks and MXenes, multiple functions can be integrated, such as photocatalysis and gas sensing.

[0023] Secondly, the controllable synthesis method of metal-organic frameworks and the selective etching technology of MXenes enable the microstructure and properties of the coating to be better controlled, thereby achieving more precise design and optimization. The good dispersibility and compatibility of MXenes and metal-organic frameworks make them easy to mix with nano-titanium dioxide particles and other materials, simplifying the preparation process and improving production efficiency.

[0024] The high transparency and controllable refractive index of modified nano-titanium dioxide particles, combined with the structural characteristics of MXenes and metal-organic frameworks, can further reduce reflection, improve light transmittance, and optimize optical performance. The combination of the porous structure of metal-organic frameworks and the photocatalytic performance of nano-titanium dioxide particles can achieve the self-cleaning function of the coating and reduce maintenance costs.

[0025] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0026] This wear-resistant and corrosion-resistant coating and its preparation method address the shortcomings of existing anti-corrosion and wear-resistant coating formulations by introducing modified nano-titanium dioxide particles, MXenes, and metal-organic frameworks, combined with silicone resins, polyurethane resins, epoxy resins, or fluorinated polymers, and functional additives. Through the composite of raw materials in this invention, the basic properties of the coating are improved, and additional functions are endowed, achieving multi-functional integration. This solves the problem of coatings possessing only a single property, providing a wider range of applications, higher levels of protection, and performance enhancement for optoelectronic devices. Simultaneously, the method simplifies the preparation process and improves production efficiency. Attached Figure Description

[0027] Figure 1 This is an overall flowchart of Embodiment 1 of the present invention. Detailed Implementation

[0028] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only 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 present invention.

[0029] Example 1: This embodiment of the invention provides a wear-resistant and corrosion-resistant coating for solar cells, comprising the following raw materials:

[0030] Iron-doped nano-titanium dioxide particles, 5 parts by weight;

[0031] MXenes, 3 parts by weight;

[0032] Iron-based metal-organic framework material (Fe-MIL-101), 2 parts by weight;

[0033] Organosilicon resin, 85 parts by weight;

[0034] Ultraviolet absorber, 5 parts by weight. The ultraviolet absorber is uniformly dispersed in the silicone resin through physical mixing. It absorbs ultraviolet rays and converts them into heat energy, protecting the coating from ultraviolet damage.

[0035] Preparation method:

[0036] Iron ions are introduced into the titanium dioxide lattice using the sol-gel method to form iron-doped nano-titanium dioxide particles. The presence of iron ions can alter the electronic structure of titanium dioxide, expand its photoresponse range, and improve its photocatalytic activity and optical properties. Specifically:

[0037] 0.5 parts by weight of titanium dioxide powder and 0.05 parts by weight of ferric sulfate nonahydrate were dissolved in 100 parts by weight of ethanol, stirred at 7°C for 4 hours, dried at 100°C for 12 hours, and finally calcined at 500°C for 2 hours to obtain iron-doped nano-titanium dioxide particles.

[0038] MXenes were prepared by selectively etching the MAX phase (aluminum titanium carbide), and the Al layer was removed using an HF solution to obtain MXene sheets with high conductivity and mechanical strength. The surface of these sheets is rich in hydroxyl and oxygen groups, exhibiting good hydrophilicity and conductivity. Specifically:

[0039] Two parts by weight of titanium aluminum carbide powder were added to 40 parts by weight of 40% HF solution, stirred at 35°C for 24 hours, washed with deionized water until the pH value was 6-7, and then vacuum dried at 60°C for 12 hours to obtain the product.

[0040] Iron-based metal-organic frameworks were prepared using a solvothermal method, with ferric chloride hexahydrate as the metal source and trimesic acid as the organic ligand. The iron-based metal-organic frameworks were generated under solvothermal conditions. Specifically:

[0041] 0.2 parts by weight of ferric chloride hexahydrate and 0.2 parts by weight of trimesic acid were dissolved in 10 parts by weight of N,N-dimethylformamide and reacted solvothermically at 100°C for 24 hours. Then, the mixture was cooled, filtered, washed, and dried at 60°C for 12 hours to obtain an iron-based metal-organic framework material, in which iron ions form coordination bonds with trimesic acid to construct a porous structure.

[0042] Iron-doped nano-titanium dioxide particles, MXenes, and iron-based metal-organic framework materials are uniformly dispersed in an organosilicon resin solution. An ultraviolet absorber is added, and after thorough mixing, the mixture is coated onto the surface of a solar cell and then cured to obtain a wear-resistant and corrosion-resistant coating for solar cells. Specifically:

[0043] Five parts by weight of iron-doped nano-titanium dioxide particles, three parts by weight of MXenes and two parts by weight of iron-based metal-organic framework material were uniformly dispersed in 85 parts by weight of silicone resin solution. Five parts by weight of ultraviolet absorber were added and mixed evenly. The mixture was then coated onto the surface of the solar cell using a spraying or dipping method and cured at 120°C for 2 hours.

[0044] In this embodiment, the introduction of iron ions increases the visible light response range of titanium dioxide and improves light absorption efficiency; MXenes provide high conductivity and mechanical strength, enhancing the coating's weather resistance and mechanical properties; iron ions in the iron-based metal-organic framework can form chemical bonds or strong interactions with iron ions in the iron-doped nano-titanium dioxide particles, enhancing the material's stability. The porous structure of the iron-based metal-organic framework can adsorb and store moisture and harmful gases, improving corrosion resistance; silicone resin provides good adhesion and weather resistance, ensuring the long-term stability of the coating; and ultraviolet absorbers reduce ultraviolet damage to the coating, extending its service life.

[0045] Example 2: This embodiment of the invention provides a wear-resistant and corrosion-resistant coating for photodetectors, comprising the following raw materials:

[0046] Nitrogen-doped nano-titanium dioxide particles, 6 parts by weight;

[0047] MXenes, 3 parts by weight;

[0048] Zinc-based metal-organic framework material (ZIF-8), 3 parts by weight;

[0049] Polyurethane resin, 85 parts by weight;

[0050] Antioxidant additive, 3 parts by weight. The antioxidant additive is uniformly dispersed in polyurethane resin through physical mixing to capture free radicals and prevent oxidation reactions.

[0051] Preparation method:

[0052] Nitrogen-doped titanium dioxide nanoparticles were prepared by a hydrothermal method. The introduction of nitrogen can extend the photoresponse range of titanium dioxide and improve its absorption capacity for visible light. Specifically:

[0053] 0.5 parts by weight of titanium dioxide powder and 0.05 parts by weight of urea were dissolved in 100 parts by weight of ethanol, stirred at 70°C for 4 hours, dried at 100°C for 12 hours, and finally calcined at 500°C for 2 hours to obtain nitrogen-doped nano-titanium dioxide particles.

[0054] MXenes were prepared by selective etching of the MAX phase, using the same method as in Example 1.

[0055] Zinc-based metal-organic frameworks were prepared using a solvothermal method, with zinc nitrate hexahydrate as the metal source and 2-methylimidazole as the organic ligand. The zinc-based metal-organic frameworks were generated under solvothermal conditions. Specifically:

[0056] 0.2 parts by weight of zinc nitrate hexahydrate and 0.2 parts by weight of 2-methylimidazole were dissolved in 10 parts by weight of methanol, stirred at room temperature for 24 hours, then filtered, washed and dried at 60°C for 12 hours to obtain a zinc-based metal-organic framework material, wherein zinc ions form coordination bonds with 2-methylimidazole to construct a porous structure.

[0057] Nitrogen-doped nano-titanium dioxide particles, MXenes, and zinc-based metal-organic framework materials are mixed with polyurethane resin and antioxidant additives to form a uniform suspension. This suspension is then applied to the surface of a photodetector by spraying or dipping, followed by baking and curing to obtain a wear-resistant and corrosion-resistant coating for photodetectors. Specifically:

[0058] Six parts by weight of nitrogen-doped nano-titanium dioxide particles, three parts by weight of MXenes and three parts by weight of zinc-based metal-organic framework material were uniformly dispersed in 85 parts by weight of polyurethane resin. Three parts by weight of antioxidant additive were added and mixed evenly. The mixture was applied to the surface of the photodetector by spraying or dipping and then baked at 100°C for 2 hours.

[0059] In this embodiment, the introduction of nitrogen expands the photoresponse range of titanium dioxide and improves its absorption of visible light. MXenes provide high electrical conductivity and mechanical strength, enhancing the coating's weather resistance and mechanical properties. The chemical bonds or strong interactions between zinc ions in the zinc-based metal-organic framework and nitrogen atoms in the nitrogen-doped nano-titanium dioxide particles enhance the stability of the composite material. The porous structure of the zinc-based metal-organic framework can adsorb and store moisture and harmful gases, improving corrosion resistance. Polyurethane resin provides good mechanical strength and chemical resistance, ensuring the long-term stability of the coating. Antioxidant additives prevent oxidation reactions and extend the coating's service life.

[0060] Example 3: This embodiment of the invention provides a wear-resistant and corrosion-resistant coating for light-emitting diodes, comprising the following raw materials:

[0061] Carbon nanotube-reinforced nano-titanium dioxide particles, 7 parts by weight;

[0062] MXenes, 4 parts by weight;

[0063] Copper-based metal-organic framework material (HKUST-1), 2 parts by weight;

[0064] Epoxy resin, 85 parts by weight;

[0065] Light stabilizer, 3 parts by weight. The light stabilizer is uniformly dispersed in the epoxy resin through physical mixing. It absorbs high-energy ultraviolet rays and converts them into low-energy heat energy, thus preventing photodegradation.

[0066] Preparation method:

[0067] Carbon nanotubes were synthesized by CVD and then combined with nano-titanium dioxide particles to form carbon nanotube-reinforced nano-titanium dioxide particles, which improved electrical and thermal conductivity. Specifically:

[0068] Carbon nanotubes were synthesized by CVD and mixed with nano-titanium dioxide particles at a ratio of 1:10. The mixture was then milled in a ball mill for 24 hours to obtain carbon nanotube-reinforced nano-titanium dioxide particles.

[0069] MXenes were prepared by selective etching of the MAX phase, using the same method as in Example 1.

[0070] Copper-based metal-organic frameworks were prepared using a solvothermal method, with copper nitrate trihydrate as the metal source and trimesic acid as the organic ligand. The reaction was carried out under solvothermal conditions to generate copper-based metal-organic frameworks. Specifically:

[0071] 0.2 parts by weight of copper nitrate trihydrate and 0.2 parts by weight of trimellitic acid were dissolved in 10 parts by weight of DMF and reacted solvothermically at 100°C for 24 hours. The mixture was then cooled, filtered, washed, and dried at 60°C for 12 hours to obtain a copper-based metal-organic framework material. In this material, copper ions form coordination bonds with trimellitic acid to construct a porous structure.

[0072] Carbon nanotube-reinforced titanium dioxide nanoparticles, MXenes, and copper-based metal-organic frameworks are mixed with epoxy resin and light stabilizers to form a uniform coating material. This material is then applied to LED chips via spin coating or spray coating, followed by UV curing to obtain a wear-resistant and corrosion-resistant coating for light-emitting diodes. Specifically:

[0073] Seven parts by weight of carbon nanotube-reinforced nano-titanium dioxide particles, four parts by weight of MXenes, and two parts by weight of copper-based metal-organic framework material were uniformly dispersed in 85 parts by weight of epoxy resin. Three parts by weight of light stabilizer were added and mixed evenly. The mixture was then coated onto the LED chip using spin coating or spray coating and cured under ultraviolet light for 2 hours.

[0074] In this embodiment, the introduction of carbon nanotubes significantly improves the electrical and thermal conductivity of the nano-titanium dioxide particles, enhancing the heat dissipation performance and stability of the LED; MXenes provide high electrical conductivity and mechanical strength, enhancing the weather resistance and mechanical properties of the coating; the chemical bonds or strong interactions between copper ions in the copper-based metal-organic framework and the titanium dioxide and carbon nanotubes in the carbon nanotube-reinforced nano-titanium dioxide particles enhance the stability of the composite material; the porous structure of the copper-based metal-organic framework can adsorb and store moisture and harmful gases, improving corrosion resistance; epoxy resin is used to provide good mechanical strength and adhesion, ensuring the long-term stability of the coating; light stabilizers are used to prevent degradation caused by light exposure, extending the service life of the coating.

[0075] Example 4: This embodiment of the invention provides a wear-resistant and corrosion-resistant coating for camera lenses, comprising the following raw materials:

[0076] Nano-titanium dioxide particles coated with polyacrylate, 5 parts by weight;

[0077] MXenes, 2 parts by weight;

[0078] Aluminum-based metal-organic framework material (MIL-53(Al)), 4 parts by weight;

[0079] Fluorinated polymer, 85 parts by weight;

[0080] Antistatic agent, 4 parts by weight. The antistatic agent is uniformly dispersed in the fluorinated polymer through physical mixing to increase surface conductivity and prevent static electricity buildup.

[0081] Preparation method:

[0082] Nano-sized titanium dioxide particles were synthesized via a sol-gel method and surface-modified using a silane coupling agent, followed by further coating with polyacrylate to obtain polyacrylate-coated nano-sized titanium dioxide particles. Specifically:

[0083] 0.5 parts by weight of titanium dioxide powder and 0.05 parts by weight of γ-aminopropyltriethoxysilane were dissolved in 100 parts by weight of ethanol, stirred at 70°C for 4 hours, and then dried at 100°C for 12 hours. The treated titanium dioxide powder was mixed with 0.05 parts by weight of polyacrylate and ground in a ball mill for 24 hours to obtain nano-titanium dioxide particles with polyacrylate coating on the surface.

[0084] MXenes were prepared by selective etching of the MAX phase, using the same method as in Example 1.

[0085] Aluminum-based metal-organic frameworks were prepared using a solvothermal method, with aluminum nitrate nonahydrate as the metal source and terephthalic acid as the organic ligand. The aluminum-based metal-organic frameworks were generated under solvothermal conditions. Specifically:

[0086] 0.2 parts by weight of aluminum nitrate nonahydrate and 0.2 parts by weight of terephthalic acid were dissolved in 10 parts by weight of DMF and reacted solvothermally at 100°C for 24 hours. The mixture was then cooled, filtered, washed, and dried at 60°C for 12 hours to obtain an aluminum-based metal-organic framework material. In this material, aluminum ions form coordination bonds with terephthalic acid to construct a porous structure.

[0087] Nano-titanium dioxide particles coated with polyacrylate, MXenes, and aluminum-based metal-organic framework materials are mixed with fluorinated polymers and antistatic agents to form a coating material. This material is then uniformly deposited onto the surface of a camera lens using vacuum sputtering or evaporation techniques to obtain a wear-resistant and corrosion-resistant coating for camera lenses. Specifically:

[0088] Five parts by weight of nano-titanium dioxide particles coated with polyacrylate, two parts by weight of MXenes and four parts by weight of aluminum-based metal-organic framework material are uniformly dispersed in 85 parts by weight of fluorinated polymer. Four parts by weight of antistatic agent are added and mixed evenly. The mixture is then uniformly deposited on the surface of a camera lens using vacuum sputtering or vapor deposition technology.

[0089] In this embodiment, the polyacrylate coating improves the dispersibility and stability of the nano-titanium dioxide particles and reduces surface defects; MXenes provide high conductivity and mechanical strength, enhancing the coating's weather resistance and mechanical properties; the chemical bonds or strong interactions between aluminum ions and nano-titanium dioxide particles in the aluminum-based metal-organic framework enhance the stability of the composite material; the porous structure of the aluminum-based metal-organic framework can adsorb and store moisture and harmful gases, improving corrosion resistance; fluorinated polymers provide excellent waterproof and dustproof properties and self-cleaning ability; and antistatic agents prevent static electricity buildup and improve image clarity.

[0090] Test Example: The purpose of this test example is to compare the data of the four embodiments provided by the present invention with the prior art.

[0091] (1) Experimental materials:

[0092] Example 1: Iron-doped nano-titanium dioxide particles, 5 parts by weight; MXenes, 3 parts by weight; iron-based metal-organic framework material (Fe-MIL-101), 2 parts by weight; silicone resin, 85 parts by weight; ultraviolet absorber, 5 parts by weight.

[0093] Example 2: Nitrogen-doped nano-titanium dioxide particles, 6 parts by weight; MXenes, 3 parts by weight; zinc-based metal-organic framework material (ZIF-8), 3 parts by weight; polyurethane resin, 85 parts by weight; antioxidant additive, 3 parts by weight.

[0094] Example 3: Carbon nanotube-reinforced nano-titanium dioxide particles, 7 parts by weight; MXenes, 4 parts by weight; copper-based metal-organic framework material (HKUST-1), 2 parts by weight; epoxy resin, 85 parts by weight; light stabilizer, 3 parts by weight.

[0095] Example 4: Nano-titanium dioxide particles coated with polyacrylate, 5 parts by weight; MXenes, 2 parts by weight; aluminum-based metal-organic framework material (MIL-53(Al)), 4 parts by weight; fluorinated polymer, 85 parts by weight; antistatic agent, 4 parts by weight.

[0096] Comparative Example 1: Unmodified nano-titanium dioxide particles, 5 parts by weight; silicone resin, 85 parts by weight; ultraviolet absorber, 5 parts by weight.

[0097] Comparative Example 2: Unmodified nano-titanium dioxide particles, 6 parts by weight; polyurethane resin, 85 parts by weight; antioxidant additive, 5 parts by weight;

[0098] Comparative Example 3: Unmodified nano-titanium dioxide particles, 7 parts by weight; epoxy resin, 85 parts by weight; light stabilizer, 5 parts by weight;

[0099] Comparative Example 4: Unmodified nano-titanium dioxide particles, 5 parts by weight; fluorinated polymer, 85 parts by weight; antistatic agent, 4 parts by weight.

[0100] (2) Experimental methods:

[0101] Prepare the corresponding layers according to the formulas provided in the above embodiments and comparative examples;

[0102] The coating is applied evenly to the substrate (glass, metal, and plastic) and cured under appropriate conditions.

[0103] (3) Performance testing:

[0104] Weather resistance test: A 500-hour accelerated aging test was conducted using a QUV (Quick UV) aging chamber to evaluate the color change, gloss and mechanical properties of the coating;

[0105] Abrasion resistance test: Abrasion test at 1000 revolutions was conducted using a Taber abrasion tester to measure the amount of wear on the coating;

[0106] Corrosion resistance test: The coating sample was immersed in a 3.5% NaCl solution for 7 days, and the corrosion of the coating was observed.

[0107] Conductivity and thermal management tests: The resistivity of the coating was measured using the four-probe method; the temperature distribution of the coating at high temperatures was measured using a thermal imager.

[0108] Optical performance testing: The transmittance and reflectance of the coating were measured using a spectrophotometer;

[0109] Antistatic performance test: The surface resistance of the coating is measured using a surface resistance tester.

[0110] Table 1 Comparison of Weather Resistance Test Data

[0111]

[0112] Table 2 Comparison of Abrasion Resistance Test Data

[0113]

[0114]

[0115] Table 3 Comparison of Corrosion Resistance Test Data

[0116]

[0117] Table 4 Comparison of Conductivity and Thermal Management Test Data

[0118]

[0119]

[0120] Table 5 Comparison of Optical Performance Test Data

[0121]

[0122] Table 6 Comparison of Antistatic Performance Test Data

[0123]

[0124] As shown in Tables 1 to 6, regarding weather resistance: the coatings in the examples show less color change, while the coatings in the comparative examples show significant color change; the coatings in the examples show less gloss reduction, while the coatings in the comparative examples show a significant decrease in gloss; the coatings in the examples maintain good hardness and adhesion, while the coatings in the comparative examples show obvious cracking and peeling. Regarding abrasion resistance: the coatings in the examples show less wear, while the coatings in the comparative examples show greater wear; the coatings in the examples have smooth surfaces without obvious scratches; the coatings in the comparative examples have obvious scratches and damage. Regarding corrosion resistance: the coatings in the examples show no obvious corrosion, while the coatings in the comparative examples show obvious corrosion spots and blistering. Regarding electrical conductivity and thermal management: the coatings in the examples have lower resistivity, indicating good electrical conductivity; the coatings in the comparative examples have higher resistivity; the coatings in the examples have uniform temperature distribution and good heat dissipation at high temperatures; the coatings in the comparative examples have locally higher temperatures and poorer heat dissipation. Regarding optical performance: the coatings in the examples have higher light transmittance, while the coatings in the comparative examples have lower light transmittance; the coatings in the examples have lower reflectivity, while the coatings in the comparative examples have higher reflectivity. Regarding antistatic properties: the coatings in the examples have lower surface resistance, indicating good antistatic properties; the coatings in the comparative examples have higher surface resistance.

[0125] Based on the above experiments and data comparisons, it can be concluded that the wear-resistant and corrosion-resistant coating provided by this invention is superior to existing technologies in terms of weather resistance, wear resistance, corrosion resistance, electrical conductivity, thermal management, optical properties, and antistatic properties. The introduction of modified nano-titanium dioxide particles, MXenes, and metal-organic frameworks not only enhances the basic properties of the coating but also endows it with additional functions such as self-cleaning, antistatic properties, and light stability, further improving the overall performance of the coating.

[0126] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wear-resistant and corrosion-resistant coating, characterized in that, Including the following parts by weight of raw materials: Modified nano-titanium dioxide particles, 5-7 parts by weight; MXenes, 2-4 parts by weight; Metal-organic framework, 2-4 parts by weight; Resin material, 85 parts by weight; Additives, 3-5 parts by weight; The modified nano-titanium dioxide particles are selected from one of the following: iron-doped nano-titanium dioxide particles, nitrogen-doped nano-titanium dioxide particles, carbon nanotube-reinforced nano-titanium dioxide particles, and nano-titanium dioxide particles with polyacrylate coating on the surface. The metal-organic framework is one of iron-based metal-organic framework materials, zinc-based metal-organic framework materials, copper-based metal-organic framework materials, and aluminum-based metal-organic framework materials; The MXenes were prepared by selectively etching the MAX phase. The resin material is one of silicone resin, polyurethane resin, epoxy resin or fluorinated polymer; The additive is at least one of ultraviolet absorbers, antioxidants, light stabilizers, and antistatic agents. The iron-based metal-organic framework materials, zinc-based metal-organic framework materials, copper-based metal-organic framework materials, and aluminum-based metal-organic framework materials were all prepared by a solvothermal method.

2. A method for preparing the wear-resistant and corrosion-resistant coating according to claim 1, characterized in that, Includes the following steps: S1. Modified nano-titanium dioxide particles are obtained by modifying nano-titanium dioxide with reinforcing materials. S2. MXenes were prepared by selective etching of the MAX phase; S3. Metal-organic frameworks were prepared using a solvothermal method. S4. Modified nano-titanium dioxide particles, MXenes, and metal-organic frameworks are mixed with resin materials and additives to form a coating material.

3. The method for preparing the wear-resistant and corrosion-resistant coating according to claim 2, characterized in that, The coating material prepared in S4 is used in optical electronic devices.

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