CN110791172A - Weather-proof wear-resistant coating for agricultural electric tricycle and preparation method thereof - Google Patents

Weather-proof wear-resistant coating for agricultural electric tricycle and preparation method thereof Download PDF

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CN110791172A
CN110791172A CN201911085916.0A CN201911085916A CN110791172A CN 110791172 A CN110791172 A CN 110791172A CN 201911085916 A CN201911085916 A CN 201911085916A CN 110791172 A CN110791172 A CN 110791172A
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parts
resistant
epoxy
weather
wear
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卜祥俊
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Fengxian Zhonglian Electric Vehicle Technology Co Ltd
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Fengxian Zhonglian Electric Vehicle Technology Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D163/00Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08Anti-corrosive paints
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
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    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
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    • C08K2003/2296Oxides; Hydroxides of metals of zinc
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08K3/00Use of inorganic substances as compounding ingredients
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Abstract

The invention discloses a weather-resistant wear-resistant paint for an agricultural electric tricycle and a preparation method thereof, wherein the paint is prepared from the following raw materials in parts by weight: 55-65 parts of modified bisphenol A epoxy resin, 20-30 parts of polymethylphenyl silicone resin, 8-12 parts of trioctyl phosphate, 5-10 parts of epoxy gutta-percha, 6-8 parts of lac, 3-7 parts of clam shell powder, 4-6 parts of aluminum nitride, 2-5 parts of nano alumina ceramic microspheres, 2-4 parts of carbon fibers, 5-10 parts of polyethylene fiber powder, 3-5 parts of sodium carboxymethyl cellulose, 2-4 parts of antirust pigment, 2-4 parts of lubricant, 1-4 parts of dimethyl silicone oil, 2-3 parts of antifreeze agent, 1-2 parts of curing agent, 1.5-2.5 parts of water-based defoamer and 0.5-1.0 part of modified nano zinc oxide. The coating disclosed by the invention has the advantages of good wear resistance, good impact resistance, strong adhesive force and good durability, can realize strong weather resistance, and is safe and environment-friendly.

Description

Weather-proof wear-resistant coating for agricultural electric tricycle and preparation method thereof
Technical Field
The invention relates to a weather-resistant wear-resistant coating for an agricultural electric tricycle and a preparation method thereof, belonging to the technical field of electric vehicles.
Background
The agricultural electric tricycle is a very common traffic and manned carrying tool, and is popular among people due to low price, convenient operation, light structure and energy conservation, a layer of coating is coated on the surface of a manufactured metal carriage in the manufacturing process, so that the effects of abrasion resistance, rust resistance, corrosion resistance and the like are achieved. How to improve the wear resistance and weather resistance of a carriage is a hot spot of research of researchers.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a weather-resistant wear-resistant coating for an agricultural electric tricycle and a preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a weather-resistant wear-resistant paint for an agricultural electric tricycle is prepared from the following raw materials in parts by weight:
55-65 parts of modified bisphenol A epoxy resin, 20-30 parts of polymethylphenyl silicone resin, 8-12 parts of trioctyl phosphate, 5-10 parts of epoxy gutta-percha, 6-8 parts of lac, 3-7 parts of clam shell powder, 4-6 parts of aluminum nitride, 2-5 parts of nano alumina ceramic microspheres, 2-4 parts of carbon fibers, 5-10 parts of polyethylene fiber powder, 3-5 parts of sodium carboxymethyl cellulose, 2-4 parts of antirust pigment, 2-4 parts of lubricant, 1-4 parts of dimethyl silicone oil, 2-3 parts of antifreeze agent, 1-2 parts of curing agent, 1.5-2.5 parts of water-based defoamer and 0.5-1.0 part of modified nano zinc oxide.
A weather-resistant wear-resistant paint for an agricultural electric tricycle is prepared from the following raw materials in parts by weight:
55 parts of modified bisphenol A epoxy resin, 20 parts of polymethyl phenyl organic silicon resin, 8 parts of trioctyl phosphate, 5 parts of epoxy gutta-percha, 6 parts of lac, 3 parts of clam shell powder, 4 parts of aluminum nitride, 2 parts of nano alumina ceramic microspheres, 2 parts of carbon fibers, 5 parts of polyethylene fiber powder, 3 parts of sodium carboxymethyl cellulose, 2 parts of antirust pigment, 2 parts of lubricant, 1 part of dimethyl silicone oil, 2 parts of antifreeze agent, 1 part of curing agent, 1.5 parts of water-based defoaming agent and 0.5 part of modified nano zinc oxide.
A weather-resistant wear-resistant paint for an agricultural electric tricycle is prepared from the following raw materials in parts by weight:
65 parts of modified bisphenol A epoxy resin, 30 parts of polymethylphenyl silicone resin, 12 parts of trioctyl phosphate, 10 parts of epoxy gutta-percha, 8 parts of lac, 7 parts of clam shell powder, 6 parts of aluminum nitride, 5 parts of nano alumina ceramic microspheres, 4 parts of carbon fibers, 10 parts of polyethylene fiber powder, 5 parts of sodium carboxymethyl cellulose, 4 parts of antirust pigment, 4 parts of lubricant, 4 parts of dimethyl silicone oil, 3 parts of antifreeze agent, 2 parts of curing agent, 2.5 parts of water-based defoaming agent and 1.0 part of modified nano zinc oxide.
A weather-resistant wear-resistant paint for an agricultural electric tricycle is prepared from the following raw materials in parts by weight:
60 parts of modified bisphenol A epoxy resin, 25 parts of polymethyl phenyl organic silicon resin, 10 parts of trioctyl phosphate, 8 parts of epoxy gutta-percha, 7 parts of lac, 5 parts of clam shell powder, 5 parts of aluminum nitride, 3.5 parts of nano alumina ceramic microspheres, 3 parts of carbon fibers, 8 parts of polyethylene fiber powder, 4 parts of sodium carboxymethyl cellulose, 3 parts of antirust pigment, 3 parts of lubricant, 2.5 parts of dimethyl silicone oil, 2.5 parts of antifreeze agent, 1.5 parts of curing agent, 2 parts of water-based defoaming agent and 0.8 part of modified nano zinc oxide.
A weather-resistant wear-resistant paint for an agricultural electric tricycle is prepared from the following raw materials in parts by weight:
58 parts of modified bisphenol A epoxy resin, 24 parts of polymethylphenyl silicone resin, 11 parts of trioctyl phosphate, 9 parts of epoxy gutta-percha, 6.5 parts of lac, 6 parts of clam shell powder, 4.7 parts of aluminum nitride, 4 parts of nano alumina ceramic microspheres, 3.2 parts of carbon fibers, 7 parts of polyethylene fiber powder, 4.5 parts of sodium carboxymethyl cellulose, 2.8 parts of antirust pigment, 2.8 parts of lubricant, 3 parts of dimethyl silicone oil, 2.8 parts of antifreeze agent, 1.3 parts of curing agent, 1.8 parts of water-based defoamer and 0.6 part of modified nano zinc oxide.
The preparation method of the modified bisphenol A epoxy resin comprises the following steps:
mixing bisphenol A epoxy resin, nano titanium dioxide and nano silicon dioxide, adding the mixture into an internal mixer, heating to 350-380 ℃, introducing nitrogen, boosting the pressure to 3-5MPa, adjusting the rotating speed to 100-120r/min, preserving heat, maintaining pressure, permeating for 2-4h, recovering to normal pressure, adding an initiator, uniformly stirring, preserving heat, and grafting for 2-3h to obtain the modified bisphenol A epoxy resin.
The epoxy gutta-percha is epoxidized by adopting an emulsion method, and the epoxy degree of the epoxy gutta-percha is 21.3%.
The clam shell powder is treated by the following steps: placing the clam shells in an ultrasonic pool, and ultrasonically cleaning the clam shells by using clear water to remove organic residues and silt on the clam shells for later use; desalting and degreasing the cleaned mussel shell; putting the mussel shells subjected to desalting and degreasing treatment into clear water for cleaning, airing and crushing into powder in a crusher; calcining the crushed clam shell in a high-temperature furnace at the temperature of 550-850 ℃ for 4-6 hours, and cooling the calcined clam shell for later use.
The particle size of the nano alumina ceramic micro-beads is 20-50 nm. The nano alumina ceramic micro-beads are added into the coating, so that the wear-resisting coefficient can be obviously increased.
The rust-proof pigment adopts iron oxide red, aluminum tripolyphosphate, zinc phosphate and an anti-flash rust agent according to the ratio of 3-5:1-3:1-3: 0.5-1.
The modified nano zinc oxide is modified by a silane coupling agent.
Preferably, the curing agent is formed by mixing triglycidyl isocyanurate and cyan acrylic acid gum in a mass ratio of 2: 1.
Preferably, the aqueous defoamer is BYK-093.
The preparation method of the weather-resistant wear-resistant coating for the agricultural electric tricycle comprises the following steps:
(1) mixing modified bisphenol A epoxy resin, polymethyl phenyl organic silicon resin, trioctyl phosphate, epoxy gutta percha and lac, adding the mixture into an internal mixer, heating to 340-360 ℃, introducing nitrogen, boosting the pressure to 3-5MPa, adjusting the rotating speed to 80-100r/min, and carrying out heat preservation, pressure maintaining and mixing for 2-4h to obtain a coating base material for later use;
(2) mixing clam shell powder, aluminum nitride and nano-alumina ceramic microspheres, adding the mixture into a sintering furnace for sintering, heating to 600-700 ℃, carrying out heat preservation sintering for 1-2h, then naturally cooling to room temperature, adding the mixture into a ball mill for mixing and grinding to obtain a sintered material for later use;
(3) and (3) adding the auxiliary materials prepared in the step (2) into the internal mixer in the step (1) to mix with the coating base material, adding the rest raw materials, keeping the temperature and mixing for 4-8h, and naturally cooling to room temperature to obtain the product.
Preferably, the step (1) is carried out at a pressure increasing rate of 500-650KPa/min and a pressure decreasing rate of 50-100 KPa/min.
Preferably, the step (3) is mixed and ground to a particle size of 0.01-0.02 mm.
Compared with the prior art, the weather-resistant wear-resistant coating for the agricultural electric tricycle and the preparation method thereof have the advantages that:
(1) according to the invention, the bisphenol A epoxy resin is modified by nano titanium dioxide and nano silicon dioxide, so that nano particles are directionally arranged and uniformly dispersed in the bisphenol A epoxy resin emulsion, the paint has good leveling property, the nano particles do not have any adverse effect on the appearance of the prepared paint film of the battery tricycle, and the prepared automobile paint has smooth and bright paint film, good adhesion, high glossiness and excellent aging resistance and ultraviolet resistance;
(2) the modified bisphenol A epoxy resin is matched with polymethyl phenyl organic silicon resin, trioctyl phosphate, epoxy gutta percha and lac to obtain a coating base material, so that the mechanical strength and the adhesive force of the coating can be effectively improved, the anti-cracking performance of the coating is effectively improved, the coating is prevented from cracking caused by the fact that a carriage is exposed to air all the year round, the carriage is corroded by the outside, the normal use of the carriage is influenced, the anti-cracking performance and the weather resistance of the coating are good, the service life is long, and the using effect is good;
(3) the addition of the aluminum nitride, the nano alumina ceramic microspheres, the carbon fibers and the polyethylene fiber powder has the advantages of low elongation at break, large work at break, strong energy absorption capability, outstanding impact resistance and cutting resistance, ultraviolet radiation resistance, chemical corrosion resistance, wear resistance and longer deflection life, and can effectively improve the wear resistance and aging resistance of the coating;
(4) the addition of epoxy gutta-percha and lac can enhance the acting force of the coating and the metal matrix and effectively delay the corrosion of the coating.
(5) The coating disclosed by the invention has the advantages of good wear resistance, good impact resistance, strong adhesive force and good durability, can realize strong weather resistance, and is safe and environment-friendly; according to experimental detection, the impact strength is 57-63kg/cm, the foaming and peeling are avoided after 1000h of an aging-resistant experiment, the gloss retention rate after scraping is 94-96%, the static adhesive force is less than or equal to 1, and the chalking, the fissioning and the light loss are less than or equal to 5% at the temperature of-35 ℃ to 80 ℃. The raw materials used in the invention do not contain harmful substances such as formaldehyde or benzene, are environment-friendly and pollution-free, and have good industrial application prospect.
Detailed Description
The invention is illustrated by the following specific examples, which are not intended to be limiting.
Example 1
A weather-resistant wear-resistant paint for an agricultural electric tricycle is prepared from the following raw materials in parts by weight:
58 parts of modified bisphenol A epoxy resin, 24 parts of polymethylphenyl silicone resin, 11 parts of trioctyl phosphate, 9 parts of epoxy gutta-percha, 6.5 parts of lac, 6 parts of clam shell powder, 4.7 parts of aluminum nitride, 4 parts of nano alumina ceramic microspheres, 3.2 parts of carbon fibers, 7 parts of polyethylene fiber powder, 4.5 parts of sodium carboxymethyl cellulose, 2.8 parts of antirust pigment, 2.8 parts of lubricant, 3 parts of dimethyl silicone oil, 2.8 parts of antifreeze agent, 1.3 parts of curing agent, 1.8 parts of water-based defoamer and 0.6 part of modified nano zinc oxide.
The preparation method of the modified bisphenol A epoxy resin comprises the following steps:
mixing bisphenol A epoxy resin, nano titanium dioxide and nano silicon dioxide, adding the mixture into an internal mixer, heating to 350 ℃, introducing nitrogen, boosting the pressure to 3MPa, adjusting the rotating speed to 100r/min, preserving heat, maintaining pressure, permeating for 2 hours, recovering to normal pressure, adding an initiator, uniformly stirring, preserving heat, and grafting for 2 hours to obtain the modified bisphenol A epoxy resin.
The epoxy gutta-percha is epoxidized by adopting an emulsion method, and the epoxy degree of the epoxy gutta-percha is 21.3%.
The clam shell powder is treated by the following steps: placing the clam shells in an ultrasonic pool, and ultrasonically cleaning the clam shells by using clear water to remove organic residues and silt on the clam shells for later use; desalting and degreasing the cleaned mussel shell; putting the mussel shells subjected to desalting and degreasing treatment into clear water for cleaning, airing and crushing into powder in a crusher; and calcining the crushed clam shell in a high-temperature furnace at 550 ℃ for 4 hours, and cooling the calcined clam shell for later use.
The particle size of the nano alumina ceramic microspheres is 20 nm. The nano alumina ceramic micro-beads are added into the coating, so that the wear-resisting coefficient can be obviously increased.
The rust-proof pigment adopts iron oxide red, aluminum tripolyphosphate, zinc phosphate and a flash rust inhibitor according to the ratio of 3:1:1: 0.5.
The modified nano zinc oxide is modified by a silane coupling agent.
Preferably, the curing agent is formed by mixing triglycidyl isocyanurate and cyan acrylic acid gum in a mass ratio of 2: 1.
Preferably, the aqueous defoamer is BYK.
The preparation method of the weather-resistant wear-resistant coating for the agricultural electric tricycle comprises the following steps:
(1) mixing modified bisphenol A epoxy resin, polymethyl phenyl organic silicon resin, trioctyl phosphate, epoxy gutta percha and lac, adding the mixture into an internal mixer, heating to 340 ℃, introducing nitrogen, boosting the pressure to 3MPa, adjusting the rotating speed to 80r/min, and carrying out heat preservation, pressure maintaining and mixing for 2 hours to obtain a coating base material for later use;
(2) mixing clam shell powder, aluminum nitride and nano-alumina ceramic microspheres, adding the mixture into a sintering furnace for sintering, heating to 600 ℃, carrying out heat preservation sintering for 1 hour, naturally cooling to room temperature, adding the mixture into a ball mill for mixing and grinding to obtain a sintered material for later use;
(3) and (3) adding the auxiliary materials prepared in the step (2) into the internal mixer in the step (1) to mix with the coating base material, adding the rest raw materials, keeping the temperature and mixing for 4 hours, and naturally cooling to room temperature to obtain the product.
In the step (1), the pressure is increased at a speed of 500KPa/min, and the pressure is decreased at a speed of 50 KPa/min.
And (4) mixing and grinding in the step (3) until the granularity is 0.01 mm.
Example 2
A weather-resistant wear-resistant paint for an agricultural electric tricycle is prepared from the following raw materials in parts by weight:
55 parts of modified bisphenol A epoxy resin, 20 parts of polymethyl phenyl organic silicon resin, 8 parts of trioctyl phosphate, 5 parts of epoxy gutta-percha, 6 parts of lac, 3 parts of clam shell powder, 4 parts of aluminum nitride, 2 parts of nano alumina ceramic microspheres, 2 parts of carbon fibers, 5 parts of polyethylene fiber powder, 3 parts of sodium carboxymethyl cellulose, 2 parts of antirust pigment, 2 parts of lubricant, 1 part of dimethyl silicone oil, 2 parts of antifreeze agent, 1 part of curing agent, 1.5 parts of water-based defoaming agent and 0.5 part of modified nano zinc oxide.
The preparation method of the modified bisphenol A epoxy resin comprises the following steps:
mixing bisphenol A epoxy resin, nano titanium dioxide and nano silicon dioxide, adding the mixture into an internal mixer, heating to 380 ℃, introducing nitrogen, boosting the pressure to 5MPa, adjusting the rotating speed to 120r/min, preserving heat, maintaining pressure, permeating for 4 hours, recovering to normal pressure, adding an initiator, uniformly stirring, preserving heat, and grafting for 3 hours to obtain the modified bisphenol A epoxy resin.
The epoxy gutta-percha is epoxidized by adopting an emulsion method, and the epoxy degree of the epoxy gutta-percha is 21.3%.
The clam shell powder is treated by the following steps: placing the clam shells in an ultrasonic pool, and ultrasonically cleaning the clam shells by using clear water to remove organic residues and silt on the clam shells for later use; desalting and degreasing the cleaned mussel shell; putting the mussel shells subjected to desalting and degreasing treatment into clear water for cleaning, airing and crushing into powder in a crusher; and calcining the crushed clam shell in a high-temperature furnace at 850 ℃ for 6 hours, and cooling the calcined clam shell for later use.
The particle size of the nano alumina ceramic microspheres is 50 nm. The nano alumina ceramic micro-beads are added into the coating, so that the wear-resisting coefficient can be obviously increased.
The rust-proof pigment adopts iron oxide red, aluminum tripolyphosphate, zinc phosphate and a flash rust inhibitor according to the ratio of 5:3:3: 0.1.
The modified nano zinc oxide is modified by a silane coupling agent.
Preferably, the curing agent is formed by mixing triglycidyl isocyanurate and cyan acrylic acid gum in a mass ratio of 2: 1.
Preferably, the aqueous defoamer is BYK-093.
The preparation method of the weather-resistant wear-resistant coating for the agricultural electric tricycle comprises the following steps:
(1) mixing modified bisphenol A epoxy resin, polymethyl phenyl organic silicon resin, trioctyl phosphate, epoxy gutta percha and lac, adding the mixture into an internal mixer, heating to 360 ℃, introducing nitrogen, boosting the pressure to 5MPa, adjusting the rotating speed to 100r/min, and carrying out heat preservation, pressure maintaining and mixing for 4 hours to obtain a coating base material for later use;
(2) mixing clam shell powder, aluminum nitride and nano-alumina ceramic microspheres, adding the mixture into a sintering furnace for sintering, heating to 700 ℃, carrying out heat preservation sintering for 2 hours, naturally cooling to room temperature, adding the mixture into a ball mill for mixing and grinding to obtain a sintered material for later use;
(3) and (3) adding the auxiliary materials prepared in the step (2) into the internal mixer in the step (1) to mix with the coating base material, adding the rest raw materials, keeping the temperature and mixing for 8 hours, and naturally cooling to room temperature to obtain the product.
In the step (1), the pressure is increased at a speed of 650KPa/min, and the pressure is decreased at a speed of 100 KPa/min.
And (4) mixing and grinding in the step (3) until the granularity is 0.02 mm.
Example 3
A weather-resistant wear-resistant paint for an agricultural electric tricycle is prepared from the following raw materials in parts by weight:
65 parts of modified bisphenol A epoxy resin, 30 parts of polymethylphenyl silicone resin, 12 parts of trioctyl phosphate, 10 parts of epoxy gutta-percha, 8 parts of lac, 7 parts of clam shell powder, 6 parts of aluminum nitride, 5 parts of nano alumina ceramic microspheres, 4 parts of carbon fibers, 10 parts of polyethylene fiber powder, 5 parts of sodium carboxymethyl cellulose, 4 parts of antirust pigment, 4 parts of lubricant, 4 parts of dimethyl silicone oil, 3 parts of antifreeze agent, 2 parts of curing agent, 2.5 parts of water-based defoaming agent and 1.0 part of modified nano zinc oxide.
The preparation method of the modified bisphenol A epoxy resin comprises the following steps:
mixing bisphenol A epoxy resin, nano titanium dioxide and nano silicon dioxide, adding the mixture into an internal mixer, heating to 360 ℃, introducing nitrogen, boosting the pressure to 4MPa, adjusting the rotating speed to 110r/min, preserving heat, maintaining pressure, permeating for 3 hours, recovering to normal pressure, adding an initiator, uniformly stirring, preserving heat, and grafting for 2.5 hours to obtain the modified bisphenol A epoxy resin.
The epoxy gutta-percha is epoxidized by adopting an emulsion method, and the epoxy degree of the epoxy gutta-percha is 21.3%.
The clam shell powder is treated by the following steps: placing the clam shells in an ultrasonic pool, and ultrasonically cleaning the clam shells by using clear water to remove organic residues and silt on the clam shells for later use; desalting and degreasing the cleaned mussel shell; putting the mussel shells subjected to desalting and degreasing treatment into clear water for cleaning, airing and crushing into powder in a crusher; calcining the crushed clam shell in a high-temperature furnace at the temperature of 550-850 ℃ for 4-6 hours, and cooling the calcined clam shell for later use.
The particle size of the nano alumina ceramic micro-beads is 20-50 nm. The nano alumina ceramic micro-beads are added into the coating, so that the wear-resisting coefficient can be obviously increased.
The rust-proof pigment adopts iron oxide red, aluminum tripolyphosphate, zinc phosphate and a flash rust inhibitor according to the ratio of 4:2:2: 1.
The modified nano zinc oxide is modified by a silane coupling agent.
The curing agent is formed by mixing triglycidyl isocyanurate and cyan acrylic acid ester glue in a mass ratio of 2: 1.
The water-based defoaming agent is BYK-093.
The preparation method of the weather-resistant wear-resistant coating for the agricultural electric tricycle comprises the following steps:
(1) mixing modified bisphenol A epoxy resin, polymethyl phenyl organic silicon resin, trioctyl phosphate, epoxy gutta percha and lac, adding the mixture into an internal mixer, heating to 350 ℃, introducing nitrogen, boosting the pressure to 4MPa, adjusting the rotating speed to 90r/min, preserving heat, maintaining pressure and mixing for 3 hours to obtain a coating base material for later use;
(2) mixing clam shell powder, aluminum nitride and nano-alumina ceramic microspheres, adding the mixture into a sintering furnace for sintering, heating to 650 ℃, carrying out heat preservation sintering for 1.5h, naturally cooling to room temperature, adding the mixture into a ball mill for mixing and grinding to obtain a sintered material for later use;
(3) and (3) adding the auxiliary materials prepared in the step (2) into the internal mixer in the step (1) to mix with the coating base material, adding the rest raw materials, keeping the temperature and mixing for 4-8h, and naturally cooling to room temperature to obtain the product.
In the step (1), the pressure is increased at a speed of 600KPa/min, and the pressure is decreased at a speed of 80 KPa/min.
And (4) mixing and grinding in the step (3) until the granularity is 0.01-0.02 mm.
Example 4
A weather-resistant wear-resistant paint for an agricultural electric tricycle is prepared from the following raw materials in parts by weight:
60 parts of modified bisphenol A epoxy resin, 25 parts of polymethyl phenyl organic silicon resin, 10 parts of trioctyl phosphate, 8 parts of epoxy gutta-percha, 7 parts of lac, 5 parts of clam shell powder, 5 parts of aluminum nitride, 3.5 parts of nano alumina ceramic microspheres, 3 parts of carbon fibers, 8 parts of polyethylene fiber powder, 4 parts of sodium carboxymethyl cellulose, 3 parts of antirust pigment, 3 parts of lubricant, 2.5 parts of dimethyl silicone oil, 2.5 parts of antifreeze agent, 1.5 parts of curing agent, 2 parts of water-based defoaming agent and 0.8 part of modified nano zinc oxide.
The preparation method of the modified bisphenol A epoxy resin comprises the following steps:
mixing bisphenol A epoxy resin, nano titanium dioxide and nano silicon dioxide, adding the mixture into an internal mixer, heating to 370 ℃, introducing nitrogen, boosting the pressure to 4MPa, adjusting the rotating speed to 1020r/min, preserving heat, maintaining pressure, permeating for 3 hours, recovering to normal pressure, adding an initiator, uniformly stirring, preserving heat, and grafting for 2.5 hours to obtain the modified bisphenol A epoxy resin.
The epoxy gutta-percha is epoxidized by adopting an emulsion method, and the epoxy degree of the epoxy gutta-percha is 21.3%.
The clam shell powder is treated by the following steps: placing the clam shells in an ultrasonic pool, and ultrasonically cleaning the clam shells by using clear water to remove organic residues and silt on the clam shells for later use; desalting and degreasing the cleaned mussel shell; putting the mussel shells subjected to desalting and degreasing treatment into clear water for cleaning, airing and crushing into powder in a crusher; calcining the crushed clam shell in a high-temperature furnace at the temperature of 550-850 ℃ for 4-6 hours, and cooling the calcined clam shell for later use.
The particle size of the nano alumina ceramic micro-beads is 20-50 nm. The nano alumina ceramic micro-beads are added into the coating, so that the wear-resisting coefficient can be obviously increased.
The rust-proof pigment adopts iron oxide red, aluminum tripolyphosphate, zinc phosphate and an anti-flash rust agent according to the ratio of 5:2:2: 1.
The modified nano zinc oxide is modified by a silane coupling agent.
The curing agent is formed by mixing triglycidyl isocyanurate and cyan acrylic acid ester glue in a mass ratio of 2: 1.
The water-based defoaming agent is BYK-093.
The preparation method of the weather-resistant wear-resistant coating for the agricultural electric tricycle comprises the following steps:
(1) mixing modified bisphenol A epoxy resin, polymethyl phenyl organic silicon resin, trioctyl phosphate, epoxy gutta percha and lac, adding the mixture into an internal mixer, heating to 350 ℃, introducing nitrogen, boosting the pressure to 5MPa, adjusting the rotating speed to 90r/min, preserving heat, maintaining pressure and mixing for 3 hours to obtain a coating base material for later use;
(2) mixing clam shell powder, aluminum nitride and nano-alumina ceramic microspheres, adding the mixture into a sintering furnace for sintering, heating to 680 ℃, carrying out heat preservation and sintering for 2 hours, naturally cooling to room temperature, adding the mixture into a ball mill for mixing and grinding to obtain a sintered material for later use;
(3) and (3) adding the auxiliary materials prepared in the step (2) into the internal mixer in the step (1) to mix with the coating base material, adding the rest raw materials, keeping the temperature and mixing for 8 hours, and naturally cooling to room temperature to obtain the product.
In the step (1), the pressure is increased at 580KPa/min, and the pressure is decreased at 70 KPa/min.
And (4) mixing and grinding in the step (3) until the granularity is 0.01-0.02 mm.
Finally, it should be noted that the above embodiments are only used for illustrating and not limiting the technical solutions of the present invention, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the present invention without departing from the spirit and scope of the present invention, and all modifications or partial substitutions should be covered by the scope of the claims of the present invention.

Claims (10)

1. The weather-resistant wear-resistant paint for the agricultural electric tricycle is characterized by being prepared from the following raw materials in parts by weight:
55-65 parts of modified bisphenol A epoxy resin, 20-30 parts of polymethylphenyl silicone resin, 8-12 parts of trioctyl phosphate, 5-10 parts of epoxy gutta-percha, 6-8 parts of lac, 3-7 parts of clam shell powder, 4-6 parts of aluminum nitride, 2-5 parts of nano alumina ceramic microspheres, 2-4 parts of carbon fibers, 5-10 parts of polyethylene fiber powder, 3-5 parts of sodium carboxymethyl cellulose, 2-4 parts of antirust pigment, 2-4 parts of lubricant, 1-4 parts of dimethyl silicone oil, 2-3 parts of antifreeze agent, 1-2 parts of curing agent, 1.5-2.5 parts of water-based defoamer and 0.5-1.0 part of modified nano zinc oxide.
2. The weather-resistant and wear-resistant paint for the agricultural electric tricycle as claimed in claim 1, wherein the paint is prepared from the following raw materials in parts by weight:
55 parts of modified bisphenol A epoxy resin, 20 parts of polymethyl phenyl organic silicon resin, 8 parts of trioctyl phosphate, 5 parts of epoxy gutta-percha, 6 parts of lac, 3 parts of clam shell powder, 4 parts of aluminum nitride, 2 parts of nano alumina ceramic microspheres, 2 parts of carbon fibers, 5 parts of polyethylene fiber powder, 3 parts of sodium carboxymethyl cellulose, 2 parts of antirust pigment, 2 parts of lubricant, 1 part of dimethyl silicone oil, 2 parts of antifreeze agent, 1 part of curing agent, 1.5 parts of water-based defoaming agent and 0.5 part of modified nano zinc oxide.
3. The weather-resistant and wear-resistant paint for the agricultural electric tricycle as claimed in claim 1, wherein the paint is prepared from the following raw materials in parts by weight:
65 parts of modified bisphenol A epoxy resin, 30 parts of polymethylphenyl silicone resin, 12 parts of trioctyl phosphate, 10 parts of epoxy gutta-percha, 8 parts of lac, 7 parts of clam shell powder, 6 parts of aluminum nitride, 5 parts of nano alumina ceramic microspheres, 4 parts of carbon fibers, 10 parts of polyethylene fiber powder, 5 parts of sodium carboxymethyl cellulose, 4 parts of antirust pigment, 4 parts of lubricant, 4 parts of dimethyl silicone oil, 3 parts of antifreeze agent, 2 parts of curing agent, 2.5 parts of water-based defoaming agent and 1.0 part of modified nano zinc oxide.
4. The weather-resistant and wear-resistant paint for the agricultural electric tricycle as claimed in claim 1, wherein the paint is prepared from the following raw materials in parts by weight:
60 parts of modified bisphenol A epoxy resin, 25 parts of polymethyl phenyl organic silicon resin, 10 parts of trioctyl phosphate, 8 parts of epoxy gutta-percha, 7 parts of lac, 5 parts of clam shell powder, 5 parts of aluminum nitride, 3.5 parts of nano alumina ceramic microspheres, 3 parts of carbon fibers, 8 parts of polyethylene fiber powder, 4 parts of sodium carboxymethyl cellulose, 3 parts of antirust pigment, 3 parts of lubricant, 2.5 parts of dimethyl silicone oil, 2.5 parts of antifreeze agent, 1.5 parts of curing agent, 2 parts of water-based defoaming agent and 0.8 part of modified nano zinc oxide.
5. The weather-resistant and wear-resistant coating for the agricultural electric tricycle as claimed in claim 1, wherein the modified bisphenol A epoxy resin is prepared by the following steps:
mixing bisphenol A epoxy resin, nano titanium dioxide and nano silicon dioxide, adding the mixture into an internal mixer, heating to 350-380 ℃, introducing nitrogen, boosting the pressure to 3-5MPa, adjusting the rotating speed to 100-120r/min, preserving heat, maintaining pressure, permeating for 2-4h, recovering to normal pressure, adding an initiator, uniformly stirring, preserving heat, and grafting for 2-3h to obtain the modified bisphenol A epoxy resin.
6. The weather-resistant and wear-resistant paint for the agricultural electric tricycle as claimed in claim 1, wherein the epoxy gutta percha is subjected to epoxidation by an emulsion method, and the epoxy degree of the epoxy gutta percha is 21.3%.
7. The weather-resistant and wear-resistant coating for the agricultural electric tricycle as claimed in claim 1, wherein the clam shell powder is treated by the following steps: placing the clam shells in an ultrasonic pool, and ultrasonically cleaning the clam shells by using clear water to remove organic residues and silt on the clam shells for later use; desalting and degreasing the cleaned mussel shell; putting the mussel shells subjected to desalting and degreasing treatment into clear water for cleaning, airing and crushing into powder in a crusher; calcining the crushed clam shell in a high-temperature furnace at the temperature of 550-850 ℃ for 4-6 hours, and cooling the calcined clam shell for later use.
8. The weather-resistant and wear-resistant paint for the agricultural electric tricycle as claimed in claim 1, wherein the nano alumina ceramic micro-beads have a particle size of 20-50 nm;
the rust-proof pigment adopts iron oxide red, aluminum tripolyphosphate, zinc phosphate and an anti-flash rust agent according to the ratio of 3-5:1-3:1-3: 0.5-1;
the modified nano zinc oxide is modified by a silane coupling agent.
9. The weather-resistant and wear-resistant coating for the agricultural electric tricycle as claimed in claim 1, wherein the curing agent is formed by mixing triglycidyl isocyanurate and cyanocyan acrylate gum in a mass ratio of 2: 1;
the water-based defoaming agent is BYK-093.
10. A preparation method of a weather-resistant wear-resistant coating for an agricultural electric tricycle is characterized by comprising the following steps:
(1) mixing modified bisphenol A epoxy resin, polymethyl phenyl organic silicon resin, trioctyl phosphate, epoxy gutta percha and lac, adding the mixture into an internal mixer, heating to 340-360 ℃, introducing nitrogen, boosting the pressure to 3-5MPa, adjusting the rotating speed to 80-100r/min, and carrying out heat preservation, pressure maintaining and mixing for 2-4h to obtain a coating base material for later use;
(2) mixing clam shell powder, aluminum nitride and nano-alumina ceramic microspheres, adding the mixture into a sintering furnace for sintering, heating to 600-700 ℃, carrying out heat preservation sintering for 1-2h, then naturally cooling to room temperature, adding the mixture into a ball mill for mixing and grinding to obtain a sintered material for later use;
(3) and (3) adding the auxiliary materials prepared in the step (2) into the internal mixer in the step (1) to mix with the coating base material, adding the rest raw materials, keeping the temperature and mixing for 4-8h, and naturally cooling to room temperature to obtain the product.
CN201911085916.0A 2019-11-08 2019-11-08 Weather-proof wear-resistant coating for agricultural electric tricycle and preparation method thereof Pending CN110791172A (en)

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CN116265546A (en) * 2023-02-10 2023-06-20 常州威斯双联科技有限公司 Power battery module failure protection coating and preparation method thereof
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