CN110628295A - Anti-skid high-adhesion wear-resistant anticorrosive paint and preparation method thereof - Google Patents
Anti-skid high-adhesion wear-resistant anticorrosive paint and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/61—Additives non-macromolecular inorganic
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention discloses an anti-slip high-adhesion wear-resistant anticorrosive paint and a preparation method thereof, belonging to the field of paints. The coating comprises the following components in percentage by weight: 6 to 16 percent of modified epoxy resin, 6 to 16 percent of curing agent, 2 to 5 percent of bentonite, 0.3 to 1 percent of modified rosin, 0.003 to 0.008 percent of fluorine-containing active agent, 0.06 to 0.12 percent of penetrating agent, 1 to 4 percent of water-soluble phenolic resin, 0.01 to 0.06 percent of polyvinyl butyral, 0.01 to 0.06 percent of liquid nitrile rubber, 2 to 5.5 percent of nano mixture, 30 to 55 percent of ceramsite mixture and the balance of diluent. The coating formed by the coating has smooth surface without large raised particles, has excellent wear resistance, corrosion resistance and self-cleaning property, has good wetting property on steel base materials, and has better anti-skid effect on rubber tires.
Description
Technical Field
The invention relates to the field of coatings, and particularly relates to an anti-skid high-adhesion wear-resistant anticorrosive coating and a preparation method thereof.
Background
With the high-speed development of high-grade toll roads in China and the national strategic requirements of the highways on towns with access to more than 20 million people. More and more express highway exits will appear, and because the express highway of China adopts the mode of weighing charge to the charge of freight vehicles, a large amount of weighing devices need to be adopted.
The existing weighing equipment is manufactured by welding steel, the high-speed toll station is located outdoors and is often attacked by wind, sand, rain and snow, particularly, the southern area of China has much rain and high humidity, and seawater thrown by marine product pulling vehicles can exist in coastal areas. The natural environment of the high-speed weighing device is severe. Highway toll weighing devices pass a large number of heavy vehicles and small cars each day and must be slowed down and restarted as the vehicle passes through the weighing device. The weighing device table top is required to have high anti-skid performance so as to prevent the vehicle from rushing out and sideslipping to cause safety accidents.
At present, a weighing device manufacturer adopts a table top to weld a checkered plate or build-up welding anti-slip strips and adopts coating materials for protection when leaving a factory. After a lot of research, the following problems exist: 1. the existing coating protection material is generally not wear-resistant and has short effective protection time, and the corrosion prevention failure caused by the exposure of a metal body of a working table surface of a weighing device in a short time causes the corrosion of the working table surface of the weighing device. 2. The existing coating protection material generally has poor wettability to a steel structure body, and after a local protection material is abraded or falls off, the corrosion extension speed is high, so that the protection material falls off in a large area, and the corrosion prevention is caused to lose efficacy quickly. 3. The existing coating protection material generally has poor anti-skid effect on rubber tires, and is particularly serious under the condition that a table top of a weighing device is wet and slippery, so that a great number of accidents and dangers caused by poor anti-skid effect of the table top are caused.
Disclosure of Invention
The invention aims to provide an anti-skid high-adhesion wear-resistant anticorrosive coating and a preparation method thereof.
On one hand, in order to achieve the purpose, the invention provides an anti-skid high-adhesion wear-resistant anticorrosive coating which comprises the following components in percentage by weight: 6 to 16 percent of modified epoxy resin, 6 to 16 percent of curing agent, 2 to 5 percent of bentonite, 0.3 to 1 percent of modified rosin, 0.003 to 0.008 percent of fluorine-containing active agent, 0.06 to 0.12 percent of penetrating agent, 1 to 4 percent of water-soluble phenolic resin, 0.01 to 0.06 percent of polyvinyl butyral, 0.01 to 0.06 percent of liquid nitrile rubber, 2 to 5.5 percent of nano mixture, 30 to 55 percent of ceramsite mixture and the balance of diluent.
Further, the coating also contains a pigment.
Further, the modified epoxy resin is specifically a liquid chloroprene-hydroxyethyl methacrylate copolymer modified epoxy resin.
Further, the curing agent is a mixed curing agent of polyamide and epoxy resin; the diluent is a mixed alcohol-based diluent.
Further, the fluorine-containing active agent is preferably FCS 100; the penetrating agent is preferably fatty alcohol-polyoxyethylene ether JFC-T; the water-soluble phenolic resin is preferably alkaline phenolic SQJ 610.
Further, the nano mixture is a mixture of nano aluminum oxide, nano silicon and nano titanium oxide; preferably, the nano mixture consists of 15-30 wt% of nano alumina, 35-50 wt% of nano silicon and 25-35 wt% of nano titanium oxide.
Furthermore, the ceramsite mixture consists of 35 to 55 weight percent of silicon micropowder, 20 to 40 weight percent of corundum and 5 to 25 weight percent of high-purity quartz.
In another aspect, the invention provides a preparation method of the anti-skid high-adhesion wear-resistant anticorrosive coating, which comprises the following steps:
taking a proper amount of diluent to dilute and disperse the bentonite, and fully ball-milling to obtain a first mixture;
diluting and dispersing the nano mixture by taking a proper amount of diluent, and fully dispersing and stirring, ball milling and colloid milling to obtain a second mixture;
taking a proper amount of diluent, mixing and soaking the diluent with water-soluble phenolic resin, polyvinyl butyral, liquid nitrile rubber, modified rosin, fluorine-containing active agent and penetrating agent for more than 12 hours, and stirring for more than 10 hours to obtain a third mixture;
mixing the first mixture, the second mixture and the third mixture to form a fourth mixture, and dividing the fourth mixture into A, B parts of mixture according to the weight ratio of 1: 1;
adding the modified epoxy resin into the mixture A according to a proportion, stirring for 2-3h, standing for 50-70min, then adding part of ceramsite mixture while stirring, stirring uniformly, adjusting the concentration to 1.6-2.2g/ml by using a diluent, and packaging and storing to form a component A;
adding the curing agent into the mixture B according to the proportion, stirring for 2-3h, standing for 50-70min, then adding the rest ceramsite mixture while stirring, uniformly stirring, adjusting the concentration to 1.6-2.2g/ml by using a diluent, and packaging and storing to form a component B;
mixing the component A and the component B according to the proportion of 1: and (3) uniformly mixing the components in a mass ratio of 0.6-1.2 to obtain the anti-skid high-adhesion wear-resistant anticorrosive coating.
Further, still include: and adding the ceramsite mixture into the mixture A, uniformly stirring, adding the pigment according to the requirement, stirring for 15-25min, and then carrying out colloid milling for 4-5 times to obtain the anti-skid high-adhesion wear-resistant anticorrosive coating.
Furthermore, the preparation process of the method is completed at the ambient temperature of 10-40 ℃.
Compared with the prior art, the invention can obtain the following technical effects or advantages:
according to the anti-slip high-adhesion wear-resistant anticorrosive coating provided by the embodiment of the invention, the anti-slip function is realized by utilizing the micropore adsorption function of rubber and an elastic variable material, the anticorrosion and anti-aging functions of the coating on a matrix are realized by utilizing a modified epoxy resin as a basic binder, the excellent infiltration and diffusion functions of the coating on a base material are realized by utilizing a fluorine-containing active agent and a penetrating agent, the wear-resistant long-life function of the coating is realized by utilizing a high-hardness ceramsite mixture added in the coating, and the self-cleaning function of the coating is realized by utilizing a nano mixture added in the coating; the coating formed by the coating has smooth surface without large raised particles, has excellent wear resistance, corrosion resistance and self-cleaning property, has good wetting property on steel base materials, and has better anti-skidding effect on rubber tires.
Detailed Description
The present application is described in further detail below. It should be noted that specific features in the embodiments and examples of the present application are described in detail in the present application, but are not limited to the present application, and the features in the embodiments and examples of the present application may be combined with each other without conflict.
The embodiment of the invention provides an anti-slip high-adhesion wear-resistant anticorrosive coating, which comprises the following components in percentage by weight: 6 to 16 percent of modified epoxy resin, 6 to 16 percent of curing agent, 2 to 5 percent of bentonite, 0.3 to 1 percent of modified rosin, 0.003 to 0.008 percent of fluorine-containing active agent, 0.06 to 0.12 percent of penetrating agent, 1 to 4 percent of water-soluble phenolic resin, 0.01 to 0.06 percent of polyvinyl butyral, 0.01 to 0.06 percent of liquid nitrile rubber, 2 to 5.5 percent of nano mixture, 30 to 55 percent of ceramsite mixture and the balance of diluent.
Further, the coating of the embodiments of the present application may further include a pigment. Specifically, the pigment is selected and added according to the required color, such as any one or more of carbon black, iron oxide red, titanium dioxide, chrome yellow, sea ash, airplane ash, sky blue, dark blue and the like. The pigment is added in the conventional amount, and generally accounts for 1.5 to 3 percent of the total amount of the coating.
In this embodiment, the modified epoxy resin is specifically a liquid chloroprene-hydroxyethyl methacrylate copolymer modified epoxy resin. Too much or too little amount thereof causes defects such as decrease in strength, shortening of usable time, and decrease in flexibility.
Specifically, the preparation method of the modified epoxy resin comprises the following steps: stirring and heating E44(6101) epoxy resin to 40-45 ℃, adding chloroprene-hydroxyethyl methacrylate accounting for 12 percent of the mass of the epoxy resin in a stirring state, stirring for 30 minutes to obtain the modified epoxy resin, and cooling to room temperature for storage. Preferably, the stirring speed is 200-300 rpm. The chloroprene-hydroxyethyl methacrylate modified E44(6101) epoxy resin can improve the strength adhesive force and the corrosion and ultraviolet resistance effects of the coating, ensure that the coating has good strength, flexibility, adhesive force and corrosion resistance, reduce the stripping and aging process of the coating, and prolong the protection time and protection effect of the coating on the matrix.
The curing agent is a mixed curing agent of polyamide and epoxy resin. Preferably, polyamide 651 is mixed with epoxy resin curing agent 593. Preferably, the mass ratio of the polyamide 651 to the epoxy resin curing agent 593 is 1: 0.5-0.7. The curing agent mixed according to the proportion range has good curing effect and good coating toughness.
The modified rosin is polymerized rosin, and the high temperature resistance of the coating is poor and the coating becomes brittle due to the excessive use amount of the polymerized rosin.
FCS100 is preferable as the fluorine-containing activator, and an excessive amount thereof may deteriorate the toughness of the coating material.
The penetrating agent is preferably fatty alcohol-polyoxyethylene ether JFC-T, and the toughness of the coating is deteriorated due to excessive use amount of the penetrating agent.
The water-soluble phenolic resin is preferably alkaline phenolic SQJ610, and the storage time of the coating is shortened due to the excessive using amount of the water-soluble phenolic resin, so that single-component agglomeration and the like are caused.
The liquid nitrile rubber is preferably 25265-19-4 liquid nitrile rubber, and the excessive use of the liquid nitrile rubber can prolong the curing time of the coating, reduce the impact strength, reduce the wear resistance of the coating after curing and the like.
The nano mixture is a mixture of nano aluminum oxide, nano silicon and nano titanium oxide. The excessive consumption of the nano mixture can reduce the fluidity of the coating, improve the setting accelerating speed and shorten the service time of the coating. The dosage is too small, so that the ageing resistance, the strength, the scratch resistance and the like of the coating are reduced.
Preferably, the nano mixture consists of 15 to 30 weight percent of nano aluminum oxide, 35 to 50 weight percent of nano silicon and 25 to 35 weight percent of nano titanium oxide. The nano mixture formed according to the proportion can play a self-cleaning role to the maximum extent, and the fouling of oil stains on the coating can be reduced.
Preferably, the average particle size of the nano-mixture is less than 150 nm.
The ceramsite mixture consists of 35 to 55 weight percent of silicon micropowder, 20 to 40 weight percent of corundum and 5 to 25 weight percent of high-purity quartz. Too much of the ceramsite mixture can reduce the strength of the coating, and too little can reduce the wear resistance of the coating. The ceramsite mixture formed according to the proportion is added into the coating, so that the coating has good wear resistance. Preferably, the screening particle size of the ceramsite mixture is 400-600 meshes.
The diluent is a mixed alcohol-based diluent, and is specifically formed by mixing methanol, edible ethanol and glycerol. Preferably, the composition comprises 30-50% of methanol, 45-60% of edible ethanol and 4-10% of glycerol by weight ratio. Excessive diluent usage can cause adverse effects such as reduced solid content of the coating, poor coating performance, reduced coating deposition thickness rate, and the like.
The following is a detailed description of the functions of the components in the anti-slip, high-adhesion, wear-resistant and anti-corrosive coating of the present application:
in the coating composition, the bentonite is a good porous charged particle adsorption material, the microporous adsorption anti-skid function aiming at rubber and elastic variable materials is realized under the condition that the surface of the coating is smooth, and the smooth surface of the coating greatly reduces the deposition of impurities on the surface of the coating so as to reduce the cleaning difficulty. After the coating is cured, the self-cleaning function of the nano mixture plays a role, and the fouling of oil stains on the coating is reduced. The anti-skid property of the coating is improved through the micropore adsorption function of the liquid nitrile rubber. The modified epoxy resin can improve the strength adhesive force and the corrosion and ultraviolet resistant effects of the coating, ensure that the coating has good strength, flexibility, adhesive force and corrosion resistant effect, reduce the stripping and aging process of the coating, and prolong the protection time and the protection effect of the coating on a matrix. The fluorine-containing active agent and the penetrating agent can greatly improve the wettability and the permeability of the coating to a matrix, play a role in curing and strengthening when the surface of the matrix is slightly rusted, and play a role in secondary protection when the surface coating is locally stripped and shed, so that the abrasion and corrosion to the matrix can be delayed. The ceramsite mixture can improve the wear resistance of the coating and prolong the service life of the coating. The curing agent reacts with the modified epoxy resin to generate the high-strength high-hardness epoxy adhesive, and the performance of the modified epoxy resin is improved. The modified rosin can improve the adhesion of the coating to rubber during use. The water-soluble phenolic resin can improve the heat resistance and the heat strength of the coating and improve the thermal fatigue life of the coating. The polyvinyl butyral can improve the high-low temperature toughness and the adhesion to base materials of the coating.
Through the synergistic effect of the components, the coating formed by the coating has smooth surface, excellent wear resistance, corrosion resistance and self-cleaning property, good wettability and adhesion to steel base, cement wood and other materials, and better anti-skid effect on rubber tires.
The paint has no toxic and odorous components, is nontoxic and odorless in construction engineering and use, and reduces the harm of the paint to the environment and personnel to the maximum extent. After being cured, the coating can work at the temperature of minus 40 to 150 ℃ for a long time, and has extremely high environmental adaptability to outdoor work.
The embodiment of the invention also provides a preparation method of the anti-skid high-adhesion wear-resistant anticorrosive coating, which comprises the following steps:
step S110: taking a proper amount of diluent to dilute and disperse the bentonite, and fully ball-milling to obtain a first mixture;
in the step, the using amount of the diluent accounts for 3% -5% of the total amount of the diluent, and the ball milling time is 23-25 h.
Step S120: diluting and dispersing the nano mixture by taking a proper amount of diluent, and fully dispersing and stirring, ball milling and colloid milling to obtain a second mixture;
in the step, the amount of the diluent accounts for 20-30% of the total amount of the diluent.
The rotation speed of the dispersion stirring is 1000-1500r/min, and the stirring time is 3-5 h. Ball milling time is 10-13 h; colloid milling for 1.5-2.5 h.
Step S130: taking a proper amount of diluent, mixing and soaking the diluent with water-soluble phenolic resin, polyvinyl butyral, liquid nitrile rubber, modified rosin, fluorine-containing active agent and penetrating agent for more than 12 hours, and stirring for more than 10 hours to obtain a third mixture;
in the step, the rotation speed of the stirring is 750-1200 r/min.
Step S140: mixing the first mixture, the second mixture and the third mixture to form a fourth mixture, and dividing the fourth mixture into A, B parts of mixture according to the weight ratio of 1: 1;
step S150: adding the modified epoxy resin into the mixture A according to a proportion, stirring for 2-3h, standing for 50-70min, then adding part of ceramsite mixture while stirring, stirring uniformly, adjusting the concentration to 1.6-2.2g/ml by using a diluent, and packaging and storing to form a component A;
in the step, the total amount of the ceramsite mixture added is 1/2.
Step S160: adding the curing agent into the mixture B according to the proportion, stirring for 2-3h, standing for 50-70min, then adding the rest ceramsite mixture while stirring, uniformly stirring, adjusting the concentration to 1.6-2.2g/ml by using a diluent, and packaging and storing to form a component B;
step S170: when in use, the component A and the component B are mixed according to the proportion of 1: and (3) uniformly mixing the components in a mass ratio of 0.6-1.2 to obtain the anti-skid high-adhesion wear-resistant anticorrosive coating.
Further, still include: and adding the ceramsite mixture into the mixture A, uniformly stirring, adding the pigment according to the requirement, stirring for 15-25min, and then carrying out colloid milling for 4-5 times to obtain the anti-skid high-adhesion wear-resistant anticorrosive coating.
In this embodiment, the preparation process of the method is completed at an ambient temperature of 10-40 ℃.
In order to enable those skilled in the art to further understand the scheme of the embodiment of the present invention, the following detailed description of the scheme of the present application is provided by the specific embodiment.
Example 1
The coating composition comprises, in a total amount of 1000 g: 60g of modified epoxy resin, 60g of curing agent, 20g of bentonite, 3g of modified rosin, 1000.03g of fluorine-containing active agent FCS, 0.6g of fatty alcohol-polyoxyethylene ether JFC-T, 0.1g of alkaline phenolic SQJ 61010 g, 0.1g of polyvinyl butyral, 0.1g of 25265-19-4 liquid nitrile rubber, 20g of nano mixture, 550g of ceramsite mixture and 276.17g of diluent.
Wherein the curing agent is prepared from polyamide 651 and epoxy resin curing agent 593 according to the mass ratio of 1: 0.6 mixing. The nanometer mixture consists of 20 wt% of nanometer alumina, 50 wt% of nanometer silicon and 30 wt% of nanometer titanium oxide. The ceramsite mixture consists of 45 weight percent of silicon micropowder, 30 weight percent of corundum and 25 weight percent of high-purity quartz. The diluent consists of 40% of methanol, 50% of edible ethanol and 10% of glycerol by weight ratio.
The preparation process comprises the following steps: s1: taking 40g of diluent to dilute and disperse the bentonite, and performing ball milling for 23 hours to obtain a first mixture;
s2: diluting and dispersing the nano mixture by taking 60g of diluent, and stirring for 3 hours, ball milling for 10 hours and colloid milling for 2 hours by using a high-speed dispersion machine to obtain a second mixture;
s3: mixing 100g of diluent with water-soluble phenolic resin, polyvinyl butyral, liquid nitrile rubber, modified rosin, fluorine-containing active agent and penetrating agent, soaking for 12 hours, and stirring at low speed for 10 hours to obtain a third mixture;
s4: mixing the first mixture, the second mixture and the third mixture to form a fourth mixture, and dividing the fourth mixture into A, B parts of mixture according to the weight ratio of 1: 1;
s5: adding 60g of modified epoxy resin into the mixture A, stirring for 3h, standing for 50min, then adding 1/2 ceramsite mixture while stirring, stirring at the rotating speed of 550r/min for 10min, adjusting the concentration to 1.6-2.2g/ml by using a diluent, and packaging and storing to form a component A;
s6: adding the curing agent into the mixture B according to the proportion, stirring for 2h, standing for 50min, then adding the rest ceramsite mixture while stirring, stirring for 10min at the rotating speed of 550r/min, adjusting the concentration to 1.6-2.2g/ml by using a diluent, and packaging and storing to form a component B;
s7: the component A and the component B are mixed according to the proportion of 1: and (3) uniformly mixing the components in a mass ratio of 0.8 to obtain the anti-skid high-adhesion wear-resistant anticorrosive coating.
Example 2
The coating composition comprises, in a total amount of 1000 g: 100g of modified epoxy resin, 80g of curing agent, 30g of bentonite, 5g of modified rosin, 1000.05g of fluorine-containing active agent FCS1000, 0.8g of fatty alcohol-polyoxyethylene ether JFC-T, 0.3g of alkaline phenolic SQJ 61030 g, 0.3g of polyvinyl butyral, 0.3g of 25265-19-4 liquid nitrile rubber, 35g of nano mixture, 400g of ceramsite mixture and 318.55g of diluent.
Wherein the curing agent is prepared from polyamide 651 and epoxy resin curing agent 593 according to the mass ratio of 1: 0.5 mixing. The nanometer mixture consists of 15 wt% of nanometer alumina, 50 wt% of nanometer silicon and 35 wt% of nanometer titanium oxide. The ceramsite mixture consists of 35 weight percent of silicon micropowder, 40 weight percent of corundum and 25 weight percent of high-purity quartz. The diluent consists of 50% of methanol, 45% of edible ethanol and 5% of glycerol by weight ratio.
The preparation process comprises the following steps: s1: diluting and dispersing bentonite by 60g of diluent, and performing ball milling for 24 hours to obtain a first mixture;
s2: diluting and dispersing the nano mixture by taking 80g of diluent, and stirring for 4 hours, ball milling for 12 hours and colloid milling for 2 hours by using a high-speed dispersion machine to obtain a second mixture;
s3: mixing 100g of diluent with water-soluble phenolic resin, polyvinyl butyral, liquid nitrile rubber, modified rosin, fluorine-containing active agent and penetrating agent, soaking for 12 hours, and stirring at low speed for 10 hours to obtain a third mixture;
s4: mixing the first mixture, the second mixture and the third mixture to form a fourth mixture, and dividing the fourth mixture into A, B parts of mixture according to the weight ratio of 1: 1;
s5: adding 100g of modified epoxy resin into the mixture A, stirring for 3h, standing for 60min, then adding 1/2 ceramsite mixture while stirring, stirring at the rotating speed of 500r/min for 12min, adding pigment, stirring for 20min, then carrying out colloid milling for 4-5 times, adjusting the concentration to 1.6-2.2g/ml by using a diluent, and packaging and storing to form a component A;
s6: adding the curing agent into the mixture B according to the proportion, stirring for 3h, standing for 60min, then adding the rest ceramsite mixture while stirring, stirring for 12min at the rotating speed of 500r/min, adjusting the concentration to 1.6-2.2g/ml by using a diluent, and packaging and storing to form a component B;
s7: the component A and the component B are mixed according to the proportion of 1: 0.6 mass ratio;
example 3
The coating composition comprises, in a total amount of 1000 g: 140g of modified epoxy resin, 120g of curing agent, 45g of bentonite, 8g of modified rosin, 1000.06g of fluorine-containing active agent FCS1000, 0.8g of fatty alcohol-polyoxyethylene ether JFC-T, 0.45g of alkaline phenolic SQJ 61035 g, 0.45g of polyvinyl butyral, 0.45g of 25265-19-4 liquid nitrile rubber, 55g of nano mixture, 350g of ceramsite mixture and 245.24g of diluent.
Wherein the curing agent is prepared from polyamide 651 and epoxy resin curing agent 593 according to the mass ratio of 1: 0.7 mixing the components. The nanometer mixture consists of 30 weight percent of nanometer alumina, 40 weight percent of nanometer silicon and 30 weight percent of nanometer titanium oxide. The ceramsite mixture consists of 55 weight percent of silicon micropowder, 40 weight percent of corundum and 5 weight percent of high-purity quartz. The diluent consists of 30% of methanol, 60% of edible ethanol and 10% of glycerol by weight ratio.
The preparation process comprises the following steps: s1: diluting and dispersing bentonite by 50g of diluent, and performing ball milling for 25 hours to obtain a first mixture;
s2: diluting and dispersing the nano mixture by taking 60g of diluent, and stirring for 5 hours, ball milling for 13 hours and colloid milling for 1.5 hours by using a high-speed dispersion machine to obtain a second mixture;
s3: mixing 65g of diluent with water-soluble phenolic resin, polyvinyl butyral, liquid nitrile rubber, modified rosin, fluorine-containing active agent and penetrating agent, soaking for 14h, and stirring at low speed for 12h to obtain a third mixture;
s4: mixing the first mixture, the second mixture and the third mixture to form a fourth mixture, and dividing the fourth mixture into A, B parts of mixture according to the weight ratio of 1: 1;
s5: adding the modified epoxy resin into the mixture A, stirring for 2.5h, standing for 70min, then adding 1/2 ceramsite mixture while stirring, stirring at the rotating speed of 450r/min for 15min, adjusting the concentration to 1.6-2.2g/ml by using a diluent, and packaging and storing to form a component A;
s6: adding a curing agent into the mixture B according to a ratio, stirring for 2.5h, standing for 70min, then adding the rest ceramsite mixture while stirring, stirring for 15min at a rotating speed of 450r/min, adding a pigment and stirring for 25min, then carrying out colloid milling for 4-5 times, adjusting the concentration to 1.6-2.2g/ml by using a diluent, and packaging and storing to form a component B;
s7: the component A and the component B are mixed according to the proportion of 1: 1.2, mixing evenly;
example 4
The coating composition comprises, in a total amount of 1000 g: 160g of modified epoxy resin, 160g of curing agent, 50g of bentonite, 10g of modified rosin, 1000.08g of fluorine-containing active agent FCS1000, 1.2g of fatty alcohol-polyoxyethylene ether JFC-T, 1.2g of alkaline phenolic aldehyde SQJ 61040 g, 0.6g of polyvinyl butyral, 0.6g of 25265-19-4 liquid nitrile rubber, 40g of nano mixture, 300g of ceramsite mixture and 237.52g of diluent.
Wherein the curing agent is prepared from polyamide 651 and epoxy resin curing agent 593 according to the mass ratio of 1: 0.65 mixing. The nanometer mixture consists of 25 wt% of nanometer alumina, 50 wt% of nanometer silicon and 25 wt% of nanometer titanium oxide. The ceramsite mixture consists of 55 weight percent of silicon micropowder, 25 weight percent of corundum and 20 weight percent of high-purity quartz. The diluent consists of 35% of methanol, 57% of edible ethanol and 8% of glycerol by weight ratio.
The preparation process comprises the following steps: s1: diluting and dispersing bentonite by 60g of diluent, and performing ball milling for 24 hours to obtain a first mixture;
s2: diluting and dispersing the nano mixture by taking 60g of diluent, and stirring for 3.5 hours, ball milling for 12 hours and colloid milling for 2.5 hours by using a high-speed dispersion machine to obtain a second mixture;
s3: mixing 60g of diluent with water-soluble phenolic resin, polyvinyl butyral, liquid nitrile rubber, modified rosin, fluorine-containing active agent and penetrating agent, soaking for 13 hours, and stirring at low speed for 12 hours to obtain a third mixture;
s4: mixing the first mixture, the second mixture and the third mixture to form a fourth mixture, and dividing the fourth mixture into A, B parts of mixture according to the weight ratio of 1: 1;
s5: adding the modified epoxy resin into the mixture A, stirring for 3h, standing for 65min, then adding 1/2 ceramsite mixture while stirring, stirring at the rotating speed of 480r/min for 14min, adjusting the concentration to 1.6-2.2g/ml by using a diluent, and packaging and storing to form a component A;
s6: adding a curing agent into the mixture B according to a ratio, stirring for 3h, standing for 65min, then adding the rest ceramsite mixture while stirring, stirring for 14min at a rotating speed of 480r/min, adjusting the concentration to 1.6-2.2g/ml by using a diluent, and packaging and storing to form a component B;
s7: the component A and the component B are mixed according to the proportion of 1: and uniformly mixing the components in a mass ratio of 1 to obtain the anti-skid high-adhesion wear-resistant anticorrosive coating.
The coatings obtained in examples 1 to 4 are applied by conventional coating techniques, such as simple application methods like roll coating and brush coating, to uniformly coat the coatings on substrates to be protected, such as steel plate cement. Generally, 4 or more layers of coatings are needed, and the coating interval of each coating is determined according to the surface dryness of the previous layer of coating, and the coating thickness of more than 4 layers of coatings can reach more than 0.5-0.6 mm. The curing time of the coating is adjusted between 36 and 72 hours depending on the ambient temperature.
The results of the performance tests of the coatings obtained by applying the coatings of the examples of the present application to steel sheets are shown in table 1.
TABLE 1 Performance test results for coating coatings of the examples of the present application
| Detecting items | The result of the detection | Detection method |
| Surface smoothness | Is smooth and smooth | Visual inspection of |
| Flexibility/(mm) | 2 | GB/T 1731-1993 |
| Impact resistance/(cm) | 30 | GB/T 1732-1993 |
| Adhesion force/(grade) | 0 | GB/T 9286-1998 |
| Abrasion resistance/(g) | 0.0009 | GB/T 1768-2006 |
| Water resistance | After 7 days, the paint film does not blister, fall off or change color | GB/T 1733-1993 |
| Oil resistance | After 3 days, the paint film does not bubble, fall off or change color | GB/T 1734-1993 |
| Acid resistance | After 48 hours, the paint film does not bubble, fall off or change color | GB/T 9274-1998 |
| Alkali resistance | After 48 hours, the paint film does not bubble, fall off or change color | GB/T 9274-1998 |
| Salt water resistance | After 3 days, the paint film does not bubble, fall off or change color | GB/T 9274-1998 |
| Argon arc lamplight aging for 24h | 0 grade of light loss and 0 grade of color change | GB/T 1865-2009 |
| Freeze-thaw cycle test (5 cycles) | No drop, no crack, no bubble, no rust | SY/T 0320-2010 |
The test results show that the coating formed by the coating disclosed by the embodiment of the application has excellent effects of smooth surface antiskid, high wear resistance, high adhesion, corrosion resistance, long service life and the like aiming at rubber and flexible variable materials.
While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The anti-slip high-adhesion wear-resistant anticorrosive paint is characterized by comprising the following components in percentage by weight: 6 to 16 percent of modified epoxy resin, 6 to 16 percent of curing agent, 2 to 5 percent of bentonite, 0.3 to 1 percent of modified rosin, 0.003 to 0.008 percent of fluorine-containing active agent, 0.06 to 0.12 percent of penetrating agent, 1 to 4 percent of water-soluble phenolic resin, 0.01 to 0.06 percent of polyvinyl butyral, 0.01 to 0.06 percent of liquid nitrile rubber, 2 to 5.5 percent of nano mixture, 30 to 55 percent of ceramsite mixture and the balance of diluent.
2. The anti-slip high adhesion wear resistant corrosion protective coating of claim 1 further comprising a pigment.
3. The anti-slip high-adhesion wear-resistant anticorrosive coating according to claim 1, wherein the modified epoxy resin is a liquid chloroprene-hydroxyethyl methacrylate copolymer modified epoxy resin.
4. The anti-slip high-adhesion wear-resistant anticorrosive coating as claimed in claim 1, wherein the curing agent is a mixed curing agent of polyamide and epoxy resin; the diluent is a mixed alcohol-based diluent.
5. The anti-slip high-adhesion wear-resistant anticorrosive coating according to claim 1, wherein the fluorine-containing activator is preferably FCS 100; the penetrating agent is preferably fatty alcohol-polyoxyethylene ether JFC-T; the water-soluble phenolic resin is preferably alkaline phenolic SQJ 610.
6. The anti-slip high-adhesion wear-resistant anticorrosive coating as claimed in claim 1, wherein the nano mixture is a mixture of nano alumina, nano silicon and nano titanium oxide; preferably, the nano mixture consists of 15-30 wt% of nano alumina, 35-50 wt% of nano silicon and 25-35 wt% of nano titanium oxide.
7. The anti-slip high-adhesion wear-resistant anticorrosive coating as claimed in claim 1, wherein the ceramsite mixture comprises 35-55% by weight of silica micropowder, 20-40% by weight of corundum and 5-25% by weight of high-purity quartz.
8. The method for preparing the anti-slip high-adhesion wear-resistant anticorrosive paint according to claim 1, wherein the method comprises the following steps:
taking a proper amount of diluent to dilute and disperse the bentonite, and fully ball-milling to obtain a first mixture;
diluting and dispersing the nano mixture by taking a proper amount of diluent, and fully dispersing and stirring, ball milling and colloid milling to obtain a second mixture;
taking a proper amount of diluent, mixing and soaking the diluent with water-soluble phenolic resin, polyvinyl butyral, liquid nitrile rubber, modified rosin, fluorine-containing active agent and penetrating agent for more than 12 hours, and stirring for more than 10 hours to obtain a third mixture;
mixing the first mixture, the second mixture and the third mixture to form a fourth mixture, and dividing the fourth mixture into A, B parts of mixture according to the weight ratio of 1: 1;
adding the modified epoxy resin into the mixture A according to a proportion, stirring for 2-3h, standing for 50-70min, then adding part of ceramsite mixture while stirring, stirring uniformly, adjusting the concentration to 1.6-2.2g/ml by using a diluent, and packaging and storing to form a component A;
adding the curing agent into the mixture B according to the proportion, stirring for 2-3h, standing for 50-70min, then adding the rest ceramsite mixture while stirring, uniformly stirring, adjusting the concentration to 1.6-2.2g/ml by using a diluent, and packaging and storing to form a component B;
mixing the component A and the component B according to the proportion of 1: and (3) uniformly mixing the components in a mass ratio of 0.6-1.2 to obtain the anti-skid high-adhesion wear-resistant anticorrosive coating.
9. The method for preparing the anti-slip high-adhesion wear-resistant anticorrosive paint according to claim 8, further comprising: and adding the ceramsite mixture into the mixture A, uniformly stirring, adding the pigment according to the requirement, stirring for 15-25min, and then carrying out colloid milling for 4-5 times to obtain the anti-skid high-adhesion wear-resistant anticorrosive coating.
10. The preparation method of the anti-slip high-adhesion wear-resistant anticorrosive paint as claimed in claim 8 or 9, wherein the preparation process of the method is completed at an ambient temperature of 10-40 ℃.
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