High performance wear resistant epoxy resin coating and method of making same
By adding fiber materials and modified bone glue to epoxy resin coatings, combined with the low coefficient of friction of polytetrafluoroethylene and silane coupling agent treatment, the problem of insufficient cohesion in the coatings was solved, achieving a coating effect with high wear resistance and high hardness.
Patent Information
- Application Number
- CN202510575817.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-06
- Publication Date
- 2026-03-20
- Estimated Expiration
- 2045-05-06
AI Technical Summary
Existing epoxy resin coatings have limited cohesion, which affects their strength properties and wear resistance.
By adding fiber materials and modified bone glue to the coating, the strength and toughness of the natural fibers in the fiber materials are utilized, combined with the low coefficient of friction and good wear resistance of polytetrafluoroethylene, to form a dense coating structure. Furthermore, the compatibility and bonding force between the filler and the resin matrix are improved through treatment with silane coupling agents.
It improves the wear resistance and hardness of the coating, enhances the overall structural strength and toughness of the coating, forms a smooth protective film, reduces friction, and enhances the wear resistance of the coating.
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Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of epoxy resin coating, in particular to a high-performance wear-resistant epoxy resin coating and a preparation method thereof. BACKGROUND
[0002] Epoxy resin coating is a coating with epoxy resin as the main film-forming material. It has excellent adhesion and can firmly adhere to the surface of objects, and is widely used in fields such as construction, shipping, automobiles, and electronics. It is a coating with excellent performance and wide application.
[0003] In the prior art, the molecular chains inside the epoxy resin matrix are relatively dispersed, which limits the overall cohesion of the epoxy resin coating and affects the strength performance of the polyethylene insulating material. Based on this, the present application provides a high-performance wear-resistant epoxy resin coating and a preparation method thereof. SUMMARY
[0004] The purpose of the present application is to provide a high-performance wear-resistant epoxy resin coating and a preparation method thereof. The high-performance wear-resistant epoxy resin coating prepared by the present application not only has good wear resistance, but also has excellent hardness, effectively improving the performance of the high-performance wear-resistant epoxy resin coating.
[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions:
[0006] In a first aspect, the present application provides a high-performance wear-resistant epoxy resin coating, comprising the following raw materials by weight: 60-80 parts of epoxy resin, 40-50 parts of deionized water, 30-40 parts of silicone resin, 10-12 parts of filler, 6-8 parts of polyimide, 4-6 parts of glue, 2-4 parts of silicon dioxide, 2-4 parts of curing agent, 1-3 parts of dispersant, and 1-3 parts of antioxidant.
[0007] Further, the glue is prepared by the following method: the fiber material and aggregate are added to a reaction kettle, deionized water is added to the reaction kettle, the mass of the deionized water is 30-50% of the mass of the fiber material, the mass ratio of the fiber material to the aggregate is 1:(0.3-0.5), the reaction kettle is set to a temperature of 70-80°C and a speed of 200-300 r / min, and the mixture is treated by heat preservation and stirring for 1-3 h to obtain the glue.
[0008] Further, the raw materials of the fiber material are selected from coconut shells and pineapple leaves, and the mass ratio of the coconut shells to the pineapple leaves is 1:(2-4).
[0009] Further, the fiber material is prepared by the following method: the coconut shell is sent into an oven, the oven is set to dry treatment at 60-70 DEG C for 2-4h, the product obtained by drying treatment is crushed and ground, the particle size of the ground powder is 20-40um, the powder is prepared, the fresh pineapple leaf is selected, the pineapple leaf is sent into a hammer crusher, the liquid is discarded after hammer crushing treatment, the product is crushed again, the liquid is discarded, and the repeated crushing treatment is performed 4-6 times, the wet fiber is prepared, the powder and the wet fiber are sent into a mixer, the mixer is set to stirring treatment at 400-600r / min for 10-20min, and the fiber material is prepared.
[0010] Further, the modified bone glue is prepared by the following method: the bone glue and water are added into a water bath pot, the water bath is set to heating to 75-85 DEG C, and the heat preservation reaction is performed for 10-20min, then hydrochloric acid is added, the temperature is set to 70-80 DEG C, a magnetic stirrer is set to 120-160r / min, and the heat preservation stirring treatment is performed for 20-30min, after the heat preservation stirring treatment is completed, the temperature is waited to 45 DEG C, the epoxy chloropropane is added and stirred uniformly, and the modified bone glue is prepared.
[0011] Further, the mass of water is 60-80% of the mass of the bone glue, the mass of hydrochloric acid is 3-5% of the mass of the bone glue, the mass concentration of hydrochloric acid is 20-30%, and the mass of the epoxy chloropropane is 1-3% of the mass of the bone glue.
[0012] Further, the filler is prepared by the following method: polytetrafluoroethylene is selected as a base material, the polytetrafluoroethylene is in the form of powder, the particle size is 20-40um, the polytetrafluoroethylene is sent into an oven, the oven is set to dry treatment at 120-140 DEG C for 2-4h, the polytetrafluoroethylene after the dry treatment is added into a reaction kettle, anhydrous ethanol and a silane coupling agent are added into the reaction kettle, the reaction kettle is set to heating to 60-70 DEG C, and the heat preservation stirring treatment is performed at 200-300r / min for 20-30min, after the heat preservation stirring treatment is completed, the product is sent into an oven, the oven is set to dry treatment at 100-120 DEG C for 1-3h, and the filler is prepared, wherein the mass of the anhydrous ethanol is 40-60% of the mass of the polytetrafluoroethylene, and the mass of the silane coupling agent is 2-4% of the mass of the polytetrafluoroethylene.
[0013] Further, the curing agent is selected from any one of ethylenediamine and ethylene triamine, and the dispersing agent is selected from any one of sodium silicate and trisodium phosphate.
[0014] Further, the silica is selected as a powder, the particle size is 2-10um, and the antioxidant is selected from any one of antioxidant 1010 and antioxidant 168.
[0015] In the second aspect, the application further provides a preparation method of the high-performance wear-resistant epoxy resin coating, including the following steps:
[0016] S1: the epoxy resin, deionized water, silicone resin, polyimide, silica are weighed according to the needs and added into a mixer, the mixer is set to 200-300 r / min stirring treatment for 10-20 min, and a mixture is prepared;
[0017] S2: the fillers, glue, curing agent, dispersing agent and antioxidant are weighed according to the needs in the mixture, the mixer is set to 600-800 r / min stirring treatment for 20-30 min, and a high-performance wear-resistant epoxy resin coating is prepared.
[0018] Compared with the prior art, the present application has the following advantages:
[0019] 1. In the present application, the glue is added during the preparation of the epoxy resin coating, the fiber material in the glue, the natural fibers in the coconut shell and the pineapple leaf have good strength and toughness, the fiber material is combined with the modified bone glue to form a mixture with good adhesion, which is dispersed in the coating, the glue can bond other components together, enhance the cohesion of the coating structure, and form a compact whole, thereby improving the wear resistance of the coating, and the presence of the fibers also helps to improve the toughness of the coating, so that it can better resist damage when subjected to external impact, further improving its hardness performance.
[0020] 2. In the present application, polytetrafluoroethylene has a low friction coefficient and good wear resistance, which can form a smooth protective film on the surface of the coating, reducing the friction between the coating and external objects, thereby improving the wear resistance of the coating, after the treatment of the silane coupling agent, the silane coupling agent molecules react with the active groups on the surface of the polytetrafluoroethylene, and the other end can crosslink with the resin matrix, forming a firm chemical bond between the polytetrafluoroethylene and the resin matrix, improving the compatibility and bonding force of the filler and the resin matrix, so that the filler can be better dispersed in the resin matrix and uniformly bear external force, thereby enhancing the overall performance of the coating. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0022] It should be noted that the raw materials used in the following embodiments are commercially available.
[0023] Example 1
[0024] A high-performance wear-resistant epoxy resin coating, comprising the following raw materials by weight: 60 parts of epoxy resin, 40 parts of deionized water, 30 parts of silicone resin, 10 parts of filler, 6 parts of polyimide, 4 parts of glue, 2 parts of silica, 2 parts of curing agent, 1 part of dispersant, 1 part of antioxidant.
[0025] The glue is prepared by the following method: the fiber material and the aggregate are added to the reaction kettle, deionized water is added to the reaction kettle, the mass of the deionized water is 30% of the mass of the fiber material, the mass ratio of the fiber material to the aggregate is 1: (0.3), the reaction kettle is set to heat to 70℃, set to 200r / min, and heat preservation stirring treatment for 1h, to prepare the glue.
[0026] The raw materials of the fiber material are selected from coconut shells and pineapple leaves, and the mass ratio of the coconut shells to the pineapple leaves is 1: (2).
[0027] The fiber material is prepared by the following method: the coconut shells are sent into the oven, the oven is set to 60℃ for drying treatment for 2h, the product obtained by drying treatment is crushed and ground, the particle size of the ground powder is 20μm, the powder is prepared, fresh pineapple leaves are selected, the pineapple leaves are sent into the hammer crusher, the liquid is discarded after hammer crushing treatment, the obtained product is crushed again, the liquid is discarded, and the repeated crushing treatment is performed for 4 times, to prepare the wet fiber, the powder and the wet fiber are sent into the mixer, the mixer is set to 400r / min stirring treatment for 10min, to prepare the fiber material.
[0028] The modified bone glue is prepared by the following method: the bone glue and water are added to the water bath kettle, the water bath is set to heat to 75℃, heat preservation reaction for 10min, then hydrochloric acid is added, the temperature is set to 70℃, a magnetic stirrer is used, set to 120r / min, heat preservation stirring treatment for 20min, after completing the heat preservation stirring treatment, wait for the temperature to 45℃, add epoxy chloropropane and stir uniformly, to prepare the modified bone glue.
[0029] The mass of the water is 60% of the mass of the bone glue, the mass of the hydrochloric acid is 3% of the mass of the bone glue, the mass concentration of the hydrochloric acid is 20%, and the mass of the epoxy chloropropane is 1% of the mass of the bone glue.
[0030] The filler is prepared by the following method: polytetrafluoroethylene is selected as the base material, the polytetrafluoroethylene is in powder form with a particle size of 20μm, the polytetrafluoroethylene is sent into the oven, the oven is set to 120℃ for drying treatment for 2h, the polytetrafluoroethylene after completing the drying treatment is added to the reaction kettle, anhydrous ethanol and silane coupling agent are added to the reaction kettle, the reaction kettle is set to heat to 60℃, set to 200r / min, heat preservation stirring treatment for 20min, after completing the heat preservation stirring treatment, the obtained product is sent into the oven, the oven is set to 100℃ for drying treatment for 1h, to prepare the filler, wherein the mass of the anhydrous ethanol is 40% of the mass of the polytetrafluoroethylene, and the mass of the silane coupling agent is 2% of the mass of the polytetrafluoroethylene.
[0031] The curing agent is selected from ethylenediamine, and the dispersing agent is selected from sodium silicate.
[0032] The silicon dioxide is selected from powder with a particle size of 2 microns, and the antioxidant is selected from antioxidant 1010.
[0033] A preparation method of a high-performance wear-resistant epoxy resin coating, comprising the following steps:
[0034] S1: The epoxy resin, deionized water, silicone resin, polyimide and silicon dioxide are weighed as needed and added to a mixer, the mixer is set to 200 r / min for stirring for 10 min, and a mixture is prepared;
[0035] S2: The fillers, glue, curing agent, dispersing agent and antioxidant are weighed as needed in the mixture, the mixer is set to 600 r / min for stirring for 20 min, and a high-performance wear-resistant epoxy resin coating is prepared.
[0036] Example Two
[0037] A high-performance wear-resistant epoxy resin coating, comprising the following raw materials by weight: 70 parts of epoxy resin, 45 parts of deionized water, 35 parts of silicone resin, 11 parts of filler, 7 parts of polyimide, 5 parts of glue, 3 parts of silicon dioxide, 3 parts of curing agent, 2 parts of dispersing agent and 2 parts of antioxidant.
[0038] The glue is prepared by the following method: the fiber material and aggregate are added to a reaction kettle, deionized water is added to the reaction kettle, the mass of the deionized water is 40% of the mass of the fiber material, the mass ratio of the fiber material to the aggregate is 1:0.4, the reaction kettle is set to heat to 75℃, set to 250 r / min, and heat-stirring treatment is performed for 2 h to prepare the glue.
[0039] The raw materials of the fiber material are selected from coconut shells and pineapple leaves, and the mass ratio of the coconut shells to the pineapple leaves is 1:3.
[0040] The fiber material is prepared by the following method: the coconut shells are sent into an oven, the oven is set to 65℃ for drying for 3 h, the product obtained by drying treatment is crushed and ground, the ground particle size is 30 microns, a powder is prepared, fresh pineapple leaves are selected, the pineapple leaves are sent into a hammer crusher, the liquid is discarded after hammer crushing treatment, the obtained product is crushed again, the liquid is discarded, and the crushing treatment is repeated for 5 times to prepare wet fibers, the powder and the wet fibers are sent into a mixer, the mixer is set to 500 r / min for stirring for 15 min, and the fiber material is prepared.
[0041] The modified bone glue is prepared by the following method: bone glue and water are added into a water bath kettle, the water bath is set to heat to 80℃, and the reaction is kept for 15 min, then hydrochloric acid is added, the temperature is set to 75℃, a magnetic stirrer is set to 140 r / min, and the temperature is kept for 25 min, after the temperature is kept and stirred, the temperature is waited to 45℃, and epoxy chloropropane is added and stirred uniformly to prepare the modified bone glue.
[0042] The mass of water is 70% of the mass of bone glue, the mass of hydrochloric acid is 4% of the mass of bone glue, the mass concentration of hydrochloric acid is 25%, and the mass of epoxy chloropropane is 2% of the mass of bone glue.
[0043] The filler is prepared by the following method: polytetrafluoroethylene is selected as a base material, the polytetrafluoroethylene is in a powder form and has a particle size of 30 μm, the polytetrafluoroethylene is sent into an oven, the oven is set to dry treatment at 130℃ for 3 h, the polytetrafluoroethylene after the dry treatment is added into a reaction kettle, anhydrous ethanol and a silane coupling agent are added into the reaction kettle, the reaction kettle is set to heat to 65℃, and the temperature is kept for 25 min at a stirring speed of 250 r / min, after the temperature is kept and stirred, the obtained product is sent into an oven, the oven is set to dry treatment at 110℃ for 2 h to prepare the filler, wherein the mass of anhydrous ethanol is 50% of the mass of polytetrafluoroethylene, and the mass of the silane coupling agent is 3% of the mass of polytetrafluoroethylene.
[0044] The curing agent is selected to be triethylene triamine, and the dispersing agent is selected to be trisodium phosphate.
[0045] The silicon dioxide is selected to be a powder and has a particle size of 6 μm, and the antioxidant is selected to be antioxidant 168.
[0046] A preparation method of a high-performance wear-resistant epoxy resin coating, comprising the following steps:
[0047] S1: epoxy resin, deionized water, silicone resin, polyimide, and silicon dioxide are weighed as required and added into a mixer, the mixer is set to stirring treatment at 250 r / min for 15 min to prepare a mixture;
[0048] S2: fillers, glue, a curing agent, a dispersing agent, and an antioxidant are weighed as required in the mixture, the mixer is set to stirring treatment at 700 r / min for 25 min to prepare the high-performance wear-resistant epoxy resin coating.
[0049] Example three
[0050] A high-performance wear-resistant epoxy resin coating comprises the following raw materials by weight: 80 parts of epoxy resin, 50 parts of deionized water, 40 parts of silicone resin, 12 parts of fillers, 8 parts of polyimide, 6 parts of glue, 4 parts of silicon dioxide, 4 parts of a curing agent, 3 parts of a dispersing agent, and 3 parts of an antioxidant.
[0051] The glue is prepared by the following method: the fiber material and the aggregate are added into a reaction kettle, deionized water is added into the reaction kettle, the mass of the deionized water is 50% of the mass of the fiber material, the mass ratio of the fiber material to the aggregate is 1: (0.5), the reaction kettle is set to be heated to 80℃, and is set to 300r / min, and is kept for 3h, so as to prepare the glue.
[0052] The raw material of the fiber material is selected from coconut shell and pineapple leaf, and the mass ratio of the coconut shell to the pineapple leaf is 1: (4).
[0053] The fiber material is prepared by the following method: the coconut shell is sent into an oven, the oven is set to 70℃ for drying treatment for 4h, the product obtained by the drying treatment is crushed and ground, the particle size of the ground powder is 40μm, the powder is prepared, fresh pineapple leaves are selected, the pineapple leaves are sent into a hammer crusher, the liquid is discarded after the hammer crushing treatment, the obtained product is crushed again, the liquid is discarded, and the crushing treatment is repeated for 6 times, so as to prepare the wet fiber, the powder and the wet fiber are sent into a mixer, the mixer is set to 600r / min for stirring treatment for 20min, and the fiber material is prepared.
[0054] The modified bone glue is prepared by the following method: the bone glue and water are added into a water bath kettle, the water bath is set to be heated to 85℃, and is kept for 20min, then hydrochloric acid is added, the temperature is set to 80℃, a magnetic stirrer is set to 160r / min, and is kept for 30min, after the keeping stirring treatment, the temperature is waited to 45℃, and the epoxy chloropropane is added and stirred uniformly, so as to prepare the modified bone glue.
[0055] The mass of the water is 80% of the mass of the bone glue, the mass of the hydrochloric acid is 5% of the mass of the bone glue, the mass concentration of the hydrochloric acid is 30%, and the mass of the epoxy chloropropane is 3% of the mass of the bone glue.
[0056] The filler is prepared by the following method: polytetrafluoroethylene is selected as the base material, the polytetrafluoroethylene is in the form of powder, the particle size is 40μm, the polytetrafluoroethylene is sent into an oven, the oven is set to 140℃ for drying treatment for 4h, the polytetrafluoroethylene after the drying treatment is added into a reaction kettle, anhydrous ethanol and a silane coupling agent are added into the reaction kettle, the reaction kettle is set to be heated to 70℃, and is set to 300r / min, and is kept for 30min, after the keeping stirring treatment, the obtained product is sent into an oven, the oven is set to 120℃ for drying treatment for 3h, so as to prepare the filler, wherein, the mass of the anhydrous ethanol is 60% of the mass of the polytetrafluoroethylene, and the mass of the silane coupling agent is 4% of the mass of the polytetrafluoroethylene.
[0057] The curing agent is selected from ethylenediamine, and the dispersing agent is selected from sodium silicate.
[0058] The silicon dioxide is selected in the form of powder, and the particle size is 10μm, and the antioxidant is selected from antioxidant 1010.
[0059] A preparation method of a high-performance wear-resistant epoxy resin coating, comprising the following steps:
[0060] S1: The epoxy resin, deionized water, silicone resin, polyimide, and silicon dioxide are weighed as needed and added to a mixer, and the mixer is set to 300 r / min for stirring for 20 min to obtain a mixture;
[0061] S2: The fillers, glue, curing agent, dispersant, and antioxidant are weighed as needed and added to the mixture, and the mixer is set to 800 r / min for stirring for 30 min to obtain the high-performance wear-resistant epoxy resin coating.
[0062] Comparative Example 1, which is different from Example 1 in that the comparative example does not contain fiber material.
[0063] Comparative Example 2, which is different from Example 1 in that the comparative example does not contain fillers.
[0064] Comparative Example 3, which is different from Example 1 in that the comparative example uses an equal amount of clay to replace the glue.
[0065] Comparative Example 4, which is different from Example 1 in that the comparative example does not contain glue.
[0066] Performance test: The high-performance wear-resistant epoxy resin coatings prepared in Example 1, Example 2, Example 3, Comparative Example 1, Comparative Example 2, Comparative Example 3, and Comparative Example 4 are subjected to performance testing, and the test data obtained are recorded in the following table:
[0067]
[0068] In the performance test, the coatings prepared from the high-performance wear-resistant epoxy resin coatings prepared in Example 1, Example 2, Example 3, Comparative Example 1, Comparative Example 2, Comparative Example 3, and Comparative Example 4 are subjected to wear testing in a wear testing machine, and the wear amount of the coatings is recorded.
[0069] The coatings prepared from the high-performance wear-resistant epoxy resin coatings prepared in Example 1, Example 2, Example 3, Comparative Example 1, Comparative Example 2, Comparative Example 3, and Comparative Example 4 are subjected to pencil hardness testing according to the test standard in GB / T 6739-2006.
[0070] It can be seen that the wear resistance and hardness of the high-performance wear-resistant epoxy resin coating prepared by Comparative Examples 1, 2, 3 and 4 are lower than those of Example 1, 2 and 3, which indicates that the addition of the glue in the preparation process of the epoxy resin coating, the use of the fiber material in the glue, the good strength and toughness of the natural fibers in the coconut shell and the pineapple leaf, the combination of the fiber material and the modified bone glue to form a mixture with good adhesion, the dispersion of the mixture in the coating, the adhesion of the glue to other components and the enhancement of the cohesion of the coating structure make the coating form a compact whole, thereby improving the wear resistance of the coating, and the presence of the fibers also helps to improve the toughness of the coating, so that the coating can better resist damage under external force impact, thereby further improving the hardness of the coating.
[0071] The polytetrafluoroethylene can form a smooth protective film on the surface of the coating due to its low friction coefficient and good wear resistance, thereby reducing the friction between the coating and external objects and improving the wear resistance of the coating. After the treatment of the polytetrafluoroethylene with the silane coupling agent, the silane coupling agent molecules react with the active groups on the surface of the polytetrafluoroethylene at one end, and can crosslink with the resin matrix at the other end, so that a firm chemical bond is formed between the polytetrafluoroethylene and the resin matrix, the compatibility and bonding force between the filler and the resin matrix are improved, the filler can be better dispersed in the resin matrix and uniformly bear external force, thereby enhancing the overall performance of the coating.
[0072] As can be seen from the comparison and analysis of the related data in the table, the high-performance wear-resistant epoxy resin coating prepared by the present application not only has good wear resistance, but also has excellent hardness. Therefore, the high-performance wear-resistant epoxy resin coating provided by the present application has a broader market prospect and is more suitable for promotion.
[0073] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0074] The preferred embodiments of the present application disclosed above are only used to help explain the present application. The preferred embodiments do not describe all the details and limit the present application to the specific embodiments described. Obviously, many modifications and changes can be made according to the content of the present specification. The present specification selects and describes these embodiments in order to better explain the principles and practical applications of the present application, so that those skilled in the art can well understand and utilize the present application. The present application is limited only by the claims and their entire scope and equivalents.
Claims
1. A high-performance wear-resistant epoxy resin coating, characterized in that: The raw materials include the following parts by weight: 60-80 parts epoxy resin, 40-50 parts deionized water, 30-40 parts silicone resin, 10-12 parts filler, 6-8 parts polyimide, 4-6 parts adhesive, 2-4 parts silica, 2-4 parts curing agent, 1-3 parts dispersant, and 1-3 parts antioxidant. The adhesive is prepared by the following method: fiber material and modified bone glue are added to a reaction vessel, deionized water is added to the reaction vessel, the mass of deionized water is 30-50% of the mass of fiber material, the mass ratio of fiber material to modified bone glue is 1:(0.3-0.5), the reaction vessel is set to heat to 70-80℃, set to 200-300 r / min, and kept at the temperature and stirred for 1-3 hours to obtain the adhesive. The fiber material is prepared by the following method: coconut shells are fed into an oven and dried at 60-70°C for 2-4 hours. The dried product is crushed and ground to a particle size of 20-40 μm to obtain powder. Fresh pineapple leaves are selected and fed into a hammer crusher. After hammer crushing, the liquid is discarded. The product is crushed again and the liquid is discarded. The crushing process is repeated 4-6 times to obtain wet fiber. The powder and wet fiber are fed into a mixer and stirred at 400-600 r / min for 10-20 minutes to obtain the fiber material. The modified bone glue is prepared by the following method: bone glue and water are added to a water bath, the water bath is heated to 75-85°C, and the reaction is maintained for 10-20 minutes. Then hydrochloric acid is added, the temperature is set to 70-80°C, a magnetic stirrer is used at 120-160 r / min, and the stirring is maintained for 20-30 minutes. After the stirring is completed, the temperature is allowed to reach 45°C, epichlorohydrin is added and stirred evenly to obtain the modified bone glue. The mass of water is 60-80% of the mass of the bone glue, the mass of hydrochloric acid is 3-5% of the mass of the bone glue, the mass concentration of hydrochloric acid is 20-30%, and the mass of epichlorohydrin is 1-3% of the mass of the bone glue. The filler is prepared by the following method: Polytetrafluoroethylene (PTFE) is selected as the base material. PTFE is in powder form with a particle size of 20–40 μm. The PTFE is placed in an oven and dried at 120–140 °C for 2–4 hours. After drying, the PTFE is added to a reaction vessel. Anhydrous ethanol and a silane coupling agent are added to the reaction vessel. The reaction vessel is heated to 60–70 °C and stirred at 200–300 r / min for 20–30 minutes. After stirring, the resulting product is placed in an oven and dried at 100–120 °C for 1–3 hours to obtain the filler. The mass of anhydrous ethanol is 40–60% of the mass of PTFE, and the mass of the silane coupling agent is 2–4% of the mass of PTFE.
2. The high-performance wear-resistant epoxy resin coating according to claim 1, characterized in that, The raw materials for the fiber material are coconut shells and pineapple leaves, with a mass ratio of coconut shells to pineapple leaves of 1:(2-4).
3. The high-performance wear-resistant epoxy resin coating according to claim 1, characterized in that, The curing agent is selected from either ethylenediamine or ethylenetriamine, and the dispersant is selected from either sodium silicate or trisodium phosphate.
4. The high-performance wear-resistant epoxy resin coating according to claim 1, characterized in that, The silica is selected as powder with a particle size of 2-10 μm, and the antioxidant is selected as either antioxidant 1010 or antioxidant 168.
5. A method for preparing a high-performance wear-resistant epoxy resin coating according to any one of claims 1 to 4, characterized in that, Includes the following steps: S1: Weigh out epoxy resin, deionized water, silicone resin, polyimide, and silica as needed and add them to the mixer. Set the mixer to 200-300 r / min and stir for 10-20 minutes to obtain a mixture. S2: Weigh fillers, adhesives, curing agents, dispersants, and antioxidants as needed into the mixture, set the mixer to 600-800 r / min and stir for 20-30 minutes to obtain a high-performance wear-resistant epoxy resin coating.
Citation Information
Patent Citations
Wear-resistant epoxy resin coating and preparation method thereof
CN118126602A