CN113122085A - Colored anti-skid paint for road surface and preparation method thereof - Google Patents
Colored anti-skid paint for road surface and preparation method thereof Download PDFInfo
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- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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- 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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- C09D5/29—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for multicolour effects
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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Abstract
The application relates to the field of coatings, and particularly discloses a colored anti-skid coating for a pavement and a preparation method thereof; the colored antiskid paint for the pavement is prepared from the following raw materials in parts by weight: 10-100 parts of acrylic emulsion, 20-60 parts of ceramic particles, 2-8kg of high-performance auxiliary agent, 10-35 parts of imported pigment and 2-10 parts of moisture-proof agent; the preparation method comprises the following steps: weighing acrylic emulsion and ceramic particles, mixing and stirring, adding a high-performance auxiliary agent and an imported pigment, continuously stirring, adding a moisture-proof agent, and continuously stirring to prepare the colored anti-skid paint for the pavement; has better waterproof and moisture-proof performance.
Description
Technical Field
The application relates to the field of coatings, in particular to a colored anti-skid coating for a pavement and a preparation method thereof.
Background
The color antiskid pavement is a new pavement beautifying technology and has the advantages of safer driving, easy traffic management, more beautiful pavement and the like compared with the traditional black asphalt concrete and gray cement concrete pavement, so the color antiskid pavement is widely applied to areas such as parks, gardens, sidewalks, bicycle lanes, overpasses, bus lanes and the like.
In the related technology, a color antiskid coating is generally coated on an asphalt concrete pavement, and the color antiskid pavement is formed after the coating is dried and cured; in rainy seasons in the south, the color antiskid pavement is soaked in rainwater for a long time, and the rainwater easily causes cracks, pits and the like on the asphalt concrete pavement, thereby influencing the service life of the pavement.
Therefore, it is urgently needed to provide a colored anti-skid coating with good waterproof and moisture-proof performances, which can isolate the moisture and humidity in the external environment from contacting the asphalt concrete pavement, thereby prolonging the service life of the pavement.
Disclosure of Invention
In order to provide the colored anti-skid coating with good waterproof and moisture-proof properties, which can isolate the moisture and humidity in the external environment from contacting with the asphalt concrete pavement and prolong the service life of the pavement, the application provides the colored anti-skid coating for the pavement and the preparation method thereof.
In a first aspect, the application provides a colored anti-slip coating for a road surface, which adopts the following technical scheme:
the colored anti-skid paint for the road surface is prepared from the following raw materials in parts by weight: 10-100 parts of acrylic emulsion, 20-60 parts of ceramic particles, 2-8kg of high-performance auxiliary agent, 10-35 parts of imported pigment and 2-10 parts of moisture-proof agent.
By adopting the technical scheme, the acrylic emulsion and the moisture-proof agent are matched, so that the prepared road surface color anti-skid coating has good waterproof and moisture-proof performances, and a coating is formed on the surface of the asphalt concrete road surface after the coating is cured, so that the contact between moisture and humidity in the external environment and the asphalt concrete road surface can be isolated, and the service life of the road surface is prolonged.
The acrylic emulsion is matched with the ceramic particles, so that the antiskid pavement has better wear resistance, corrosion resistance and antiskid property; the anti-skid road surface is rich in color by matching with imported pigment, and can play a good warning role on the road surface.
Preferably, the high-performance auxiliary agent consists of a defoaming agent, an early strength agent and a water reducing agent in a weight ratio of 1:0.6-1.5: 0.4-1.2.
By adopting the technical scheme, the defoaming agent can reduce bubbles generated in the preparation process of the coating, so that the leveling property of the coating after the coating is laid is improved, the coating forms a compact and uniform coating on the asphalt concrete pavement, and the waterproof effect of the coating is improved.
The early strength agent is matched with the acrylic emulsion, so that the acrylic emulsion can be quickly cured, and the early strength of the coating is improved; the early strength agent is matched with the ceramic particles, so that the strength, the wear resistance and the corrosion resistance of the coating are further improved.
The water reducing agent is matched with the acrylic emulsion, and the water in the acrylic emulsion is quickly removed by utilizing the water reducing effect of the water reducing agent, so that the curing speed of the coating is improved.
Preferably, the early strength agent is calcium formate.
By adopting the technical scheme, the calcium formate, the acrylic emulsion and the moisture-proof agent are matched, so that the waterproof and moisture-proof performances of the coating can be improved, and the early strength of a coating formed after the coating is cured is improved.
Preferably, the ceramic particles are modified ceramic particles, and the modified ceramic particles are prepared by the following method:
weighing propolis ethanol solution, spraying the propolis ethanol solution on the surface of ceramic particles, wherein the weight ratio of the ceramic particles to the propolis ethanol solution is 2-5:1, and preparing coated ceramic particles;
and II, weighing polyacrylonitrile fibers, adding the polyacrylonitrile fibers to the coated ceramic particles in a weight ratio of 1:0.8-1.4, stirring and mixing, and drying to obtain the modified ceramic particles.
By adopting the technical scheme, because the ceramic particles have better strength, after the colored anti-skid paint on the road surface prepared by the ceramic particles is coated on the surface of the asphalt concrete, the ceramic particles have harder texture, so that the road surface has stronger granular feeling, and the thinner rubber soles of people in summer can easily generate the feeling of hurting feet when walking on the road surface coated with the colored anti-skid paint on the road surface.
The surface of the ceramic particle has better cohesiveness by utilizing the bonding effect of the propolis ethanol solution, then polyacrylonitrile fiber is mixed with the coated ceramic particle, and the polyacrylonitrile fiber is bonded on the surface of the coated ceramic particle by utilizing the better cohesiveness of the propolis ethanol solution; the better elastic coating effect of the polyacrylonitrile fiber is utilized, so that the surface of the ceramic particles has good elastic buffering effect, and when people step on the road surface coated with the road surface color anti-skid paint, the feeling of hurting feet caused by the ceramic particles can be relieved through elastic buffering.
Preferably, the ceramic particles in step i are pretreated ceramic particles, and the pretreated ceramic particles are prepared by the following steps: and (3) soaking the open porous ceramic particles in ethanol for 10-30min to obtain the pretreated ceramic particles.
By adopting the technical scheme, the open porous ceramic particles are soaked in the ethanol, the porous performance of the open porous ceramic particles is utilized to enable the porous ceramic particles to absorb the ethanol, the ethanol is blocked in the open porous ceramic particles by matching with the bonding effect of the propolis ethanol solution, when the polyacrylonitrile fibers are coated on the surfaces of the coated ceramic particles, the ethanol in the open porous ceramic particles is gradually volatilized in the drying process, the volatilized ethanol gas rushes out a film layer formed by the propolis ethanol solution, and a pore can be rushed out between adjacent polyacrylonitrile fibers in the rushing-out process, the pore can provide space position storage for deformation of the polyacrylonitrile fibers after stress, the polyacrylonitrile fibers can conveniently restore the original shape after stress, and the modified ceramic particles can keep the elastic buffering effect for a long time.
Preferably, the semi-finished product is prepared after drying in the step II, silica gel is weighed and sprayed on the surface of the semi-finished product, the weight ratio of the silica gel to the semi-finished product is 1:0.8-1.5, and the modified ceramic particles are prepared after drying and crushing.
By adopting the technical scheme, the silica gel and the polyacrylonitrile fiber are matched, the silica gel can be attached to the surface of the polyacrylonitrile fiber, the elastomer with better elasticity is formed after the silica gel is cured, and the better elasticity performance of the silica gel is matched with the better elasticity effect of the polyacrylonitrile fiber, so that the surface of the prepared modified ceramic particle has good elasticity buffering effect, and the feeling of hurting feet caused by the pavement paved by the ceramic particles is relieved.
The elastomer formed after the silica gel is cured coats polyacrylonitrile fibers on the surfaces of the ceramic particles, and when people step on a pavement paved with the pavement color anti-slip coating, the polyacrylonitrile fibers can be prevented from being directly stressed by the elastic effect of the silica gel, so that the elastic buffering time of the polyacrylonitrile fibers is prolonged, and the modified ceramic particles have a good elastic buffering effect for a long time.
The silica gel and the propolis ethanol solution are matched to coat the polyacrylonitrile fiber inside to prevent the polyacrylonitrile fiber from absorbing water, so that the waterproof time of the colored anti-skid paint for the pavement is prolonged, and the colored anti-skid paint for the pavement still has better waterproof performance even if soaked for a long time by moisture.
Preferably, the granules are prepared after the crushing in the step II, hydroxyl silicone oil is weighed and sprayed on the surfaces of the granules, the weight ratio of the hydroxyl silicone oil to the granules is 1:2-4, and the modified ceramic granules are prepared after drying.
By adopting the technical scheme, the hydroxyl silicone oil, the silica gel and the propolis ethanol solution are matched, so that the modified ceramic particles have good hydrophobicity, and the polyacrylonitrile fiber is prevented from absorbing water, thereby improving the hydrophobic effect of the colored road surface anti-skid paint, and the prepared colored road surface anti-skid paint has good waterproof and moistureproof effects.
The hydroxyl silicone oil and the acrylic emulsion are matched, hydrogen bonds are formed by hydroxyl in the hydroxyl silicone oil and hydroxyl in the acrylic emulsion, so that the compatibility of the modified ceramic particles and the acrylic emulsion is improved, the modified ceramic particles are stably and firmly bonded in the acrylic emulsion, the modified ceramic particles are filled in the acrylic emulsion in a dispersing manner, and after the colored anti-skid paint for the pavement is prepared by adopting the modified ceramic particles, a compact and uniformly dispersed coating can be formed on the asphalt concrete pavement, so that moisture and humid gas in the external environment are better isolated from being contacted with the asphalt concrete, cracks and pits are not easy to generate on the asphalt concrete pavement, and the service life of the pavement is prolonged.
Preferably, the coated ceramic particles in the step II are stirred at the rotating speed of 200-350r/min, and polyacrylonitrile fibers are added into the coated ceramic particles within 60-180 s.
By adopting the technical scheme, the stirring speed of the coated ceramic particles is limited, so that the membrane material on the surface of the ceramic particles is prevented from being peeled off from the surface of the ceramic particles under the condition of high-speed stirring; meanwhile, the speed of adding polyacrylonitrile fiber is limited, so that the polyacrylonitrile fiber is uniformly contacted with the coated ceramic particles, the polyacrylonitrile fiber is uniformly dispersed and bonded on the surfaces of the coated ceramic particles to form a space network coating structure, and the modified ceramic particles have a good elastic buffering effect.
Preferably, the stirring speed in the step II is 80-180 r/min.
By adopting the technical scheme, the stirring speed of the mixed polyacrylonitrile fiber and the coated ceramic particles is limited, so that the raw materials are uniformly mixed, the membrane structure on the surface of the coated ceramic particles can be prevented from being damaged, the polyacrylonitrile fiber is firmly bonded on the surface of the coated ceramic particles, and the prepared modified ceramic particles have a good elastic buffering effect.
In a second aspect, the application provides a preparation method of a colored anti-skid paint for a pavement, which adopts the following technical scheme: a preparation method of a colored anti-skid paint for a pavement comprises the following steps:
weighing acrylic emulsion and ceramic particles, mixing and stirring, adding high-performance auxiliary agent and imported pigment, continuously stirring, then adding moisture-proof agent, and continuously stirring to obtain the colored anti-skid paint for the pavement.
By adopting the technical scheme, the prepared colored anti-skid paint for the pavement has good waterproof and moistureproof effects, and has rich colors and good anti-skid and wear-resistant performances.
In summary, the present application has the following beneficial effects:
1. the acrylic emulsion and the moisture-proof agent are matched, so that the prepared road surface color anti-skid coating has good waterproof and moisture-proof performances, a coating is formed on the surface of the asphalt concrete road surface after the coating is cured, and the contact between moisture and humidity in the external environment and the asphalt concrete road surface can be isolated, so that the service life of the road surface is prolonged.
2. Mixing the propolis ethanol solution, the polyacrylonitrile fiber and the coated ceramic particles, and adhering the polyacrylonitrile fiber to the surfaces of the coated ceramic particles by utilizing the good adhesion of the propolis ethanol solution; the better elastic coating effect of the polyacrylonitrile fiber is utilized, so that the surface of the ceramic particles has good elastic buffering effect, and when people step on the road surface coated with the road surface color anti-skid paint, the feeling of hurting feet caused by the ceramic particles can be relieved through elastic buffering.
3. The silica gel and the polyacrylonitrile fiber are matched, and the better elastic property of the silica gel is matched with the better elastic effect of the polyacrylonitrile fiber, so that the surface of the prepared modified ceramic particle has a good elastic buffering effect, and the feeling of hurting feet caused by the pavement paved by the ceramic particles is further relieved.
Detailed Description
The present application will be described in further detail with reference to examples.
Preparation example of modified ceramic particles
The ceramic particles in the following raw materials are purchased from a processing plant of Yingbo mineral products in Lingshou county, and the particle size is 1-3 mm; silica gel is purchased from Hongye Jie science and technology Limited in Shenzhen city; the polyacrylonitrile fiber is purchased from Tai' an Songze composite material Co., Ltd, and has a thickness of 15 μm and a length of 2-4 mm; hydroxyl silicone oil is purchased from Jinan silicon harbor chemical Co., Ltd; other raw materials and equipment are all sold in the market.
Preparation example 1: the modified ceramic particles are prepared by the following method:
weighing 100g of propolis, adding the propolis into 300g of ethanol with the mass fraction of 95%, and stirring for dissolving to obtain a propolis ethanol solution; weighing propolis ethanol solution, spraying the propolis ethanol solution on the surface of the ceramic particles, wherein the weight ratio of the ceramic particles to the propolis ethanol solution is 3.5:1, and preparing the coated ceramic particles;
and II, weighing coated ceramic particles, stirring at the rotating speed of 280r/min, weighing polyacrylonitrile fibers, adding the polyacrylonitrile fibers into the coated ceramic particles at a constant speed within 120s, wherein the weight ratio of the polyacrylonitrile fibers to the coated ceramic particles is 1:1, stirring at the rotating speed of 120r/min for 5min, and drying at room temperature to obtain the modified ceramic particles.
Preparation example 2: the modified ceramic particles are prepared by the following method:
weighing 100g of propolis, adding the propolis into 300g of ethanol with the mass fraction of 95%, and stirring for dissolving to obtain a propolis ethanol solution; weighing propolis ethanol solution, spraying the propolis ethanol solution on the surface of the ceramic particles, wherein the weight ratio of the ceramic particles to the propolis ethanol solution is 2:1, and preparing coated ceramic particles;
and II, weighing and stirring the coated ceramic particles at the rotating speed of 280r/min, then weighing polyacrylonitrile fibers, adding the polyacrylonitrile fibers into the coated ceramic particles at a constant speed within 120s, wherein the weight ratio of the polyacrylonitrile fibers to the coated ceramic particles is 1:0.8, then stirring at the rotating speed of 120r/min for 5min, and drying at room temperature to obtain the modified ceramic particles.
Preparation example 3: the modified ceramic particles are prepared by the following method:
weighing 100g of propolis, adding the propolis into 300g of ethanol with the mass fraction of 95%, and stirring for dissolving to obtain a propolis ethanol solution; weighing propolis ethanol solution, spraying the propolis ethanol solution on the surface of the ceramic particles, wherein the weight ratio of the ceramic particles to the propolis ethanol solution is 5:1, and preparing coated ceramic particles;
and II, weighing and stirring the coated ceramic particles at the rotating speed of 280r/min, then weighing polyacrylonitrile fibers, adding the polyacrylonitrile fibers into the coated ceramic particles at a constant speed within 120s, wherein the weight ratio of the polyacrylonitrile fibers to the coated ceramic particles is 1:1.4, then stirring at the rotating speed of 120r/min for 5min, and drying at room temperature to obtain the modified ceramic particles.
Preparation example 4: the difference between the preparation example and the preparation example 1 is that:
weighing 100g of propolis, adding the propolis into 300g of ethanol with the mass fraction of 95%, and stirring for dissolving to obtain a propolis ethanol solution; soaking the open porous ceramic particles in ethanol with the mass fraction of 95% for 20min to prepare pretreated ceramic particles; and weighing propolis ethanol solution, spraying the propolis ethanol solution on the surface of the pretreated ceramic particles, wherein the weight ratio of the pretreated ceramic particles to the propolis ethanol solution is 3.5:1, and thus obtaining the coated ceramic particles.
Preparation example 5: the difference between the preparation example and the preparation example 1 is that:
weighing 100g of propolis, adding the propolis into 300g of ethanol with the mass fraction of 95%, and stirring for dissolving to obtain a propolis ethanol solution; soaking the open porous ceramic particles in ethanol with the mass fraction of 95% for 10min to prepare pretreated ceramic particles; and weighing propolis ethanol solution, spraying the propolis ethanol solution on the surface of the pretreated ceramic particles, wherein the weight ratio of the pretreated ceramic particles to the propolis ethanol solution is 3.5:1, and thus obtaining the coated ceramic particles.
Preparation example 6: the difference between the preparation example and the preparation example 1 is that:
weighing 100g of propolis, adding the propolis into 300g of ethanol with the mass fraction of 95%, and stirring for dissolving to obtain a propolis ethanol solution; soaking the open porous ceramic particles in ethanol with the mass fraction of 95% for 30min to prepare pretreated ceramic particles; and weighing propolis ethanol solution, spraying the propolis ethanol solution on the surface of the pretreated ceramic particles, wherein the weight ratio of the pretreated ceramic particles to the propolis ethanol solution is 3.5:1, and thus obtaining the coated ceramic particles.
Preparation example 7: the difference between the preparation example and the preparation example 4 is that:
II, weighing coated ceramic particles, stirring at a rotating speed of 280r/min, weighing polyacrylonitrile fibers, adding the polyacrylonitrile fibers to the coated ceramic particles at a constant speed within 120s, wherein the weight ratio of the polyacrylonitrile fibers to the coated ceramic particles is 1:1, stirring at a rotating speed of 120r/min for 5min, and drying at room temperature to obtain a semi-finished product; weighing silica gel, spraying the silica gel on the surface of the semi-finished product, wherein the weight ratio of the silica gel to the semi-finished product is 1:1, drying at room temperature, crushing, and sieving with a 20-mesh sieve to obtain the modified ceramic particles.
Preparation example 8: the difference between the preparation example and the preparation example 4 is that:
II, weighing coated ceramic particles, stirring at a rotating speed of 280r/min, weighing polyacrylonitrile fibers, adding the polyacrylonitrile fibers to the coated ceramic particles at a constant speed within 120s, wherein the weight ratio of the polyacrylonitrile fibers to the coated ceramic particles is 1:0.8, stirring at a rotating speed of 120r/min for 5min, and drying at room temperature to obtain a semi-finished product; weighing silica gel, spraying the silica gel on the surface of the semi-finished product, wherein the weight ratio of the silica gel to the semi-finished product is 1:0.8, drying at room temperature, crushing, and sieving with a 20-mesh sieve to obtain the modified ceramic particles.
Preparation example 9: the difference between the preparation example and the preparation example 4 is that:
II, weighing coated ceramic particles, stirring at a rotating speed of 280r/min, weighing polyacrylonitrile fibers, adding the polyacrylonitrile fibers into the coated ceramic particles at a constant speed within 120s, wherein the weight ratio of the polyacrylonitrile fibers to the coated ceramic particles is 1:1.5, stirring at a rotating speed of 120r/min for 5min, and drying at room temperature to obtain a semi-finished product; weighing silica gel, spraying the silica gel on the surface of the semi-finished product, wherein the weight ratio of the silica gel to the semi-finished product is 1:1.5, drying at room temperature, crushing, and sieving with a 20-mesh sieve to obtain the modified ceramic particles.
Preparation example 10: the difference between this preparation and preparation 7 is that:
and II, crushing to obtain particles after sieving with a 20-mesh sieve, weighing hydroxyl silicone oil, spraying the hydroxyl silicone oil on the surfaces of the particles, wherein the weight ratio of the hydroxyl silicone oil to the particles is 1:3, and drying at room temperature to obtain the modified ceramic particles.
Preparation example 11: the difference between this preparation and preparation 7 is that:
and II, crushing the mixture to obtain particles after sieving the particles by a sieve of 20 meshes, weighing hydroxyl silicone oil, spraying the hydroxyl silicone oil on the surfaces of the particles, wherein the weight ratio of the hydroxyl silicone oil to the particles is 1:2, and drying the particles at room temperature to obtain the modified ceramic particles.
Preparation example 12: the difference between this preparation and preparation 7 is that:
and II, crushing to obtain particles after sieving with a 20-mesh sieve, weighing hydroxyl silicone oil, spraying the hydroxyl silicone oil on the surfaces of the particles, wherein the weight ratio of the hydroxyl silicone oil to the particles is 1:4, and drying at room temperature to obtain the modified ceramic particles.
Preparation example 13: the difference between the present preparation example and preparation example 10 is that:
and II, weighing coated ceramic particles, stirring at a rotating speed of 200r/min, weighing polyacrylonitrile fibers, adding the polyacrylonitrile fibers to the coated ceramic particles at a constant speed within 120s, wherein the weight ratio of the polyacrylonitrile fibers to the coated ceramic particles is 1:1, stirring at a rotating speed of 120r/min for 5min, and drying at room temperature to obtain a semi-finished product.
Preparation example 14: the difference between the present preparation example and preparation example 10 is that:
II, weighing coated ceramic particles, stirring at a rotating speed of 350r/min, weighing polyacrylonitrile fibers, adding the polyacrylonitrile fibers to the coated ceramic particles at a constant speed within 120s, wherein the weight ratio of the polyacrylonitrile fibers to the coated ceramic particles is 1:1, stirring at a rotating speed of 120r/min for 5min, and drying at room temperature to obtain a semi-finished product.
Preparation example 15: the difference between the present preparation example and preparation example 10 is that:
II, weighing coated ceramic particles, stirring at the rotating speed of 280r/min, weighing polyacrylonitrile fibers, adding the polyacrylonitrile fibers to the coated ceramic particles at a constant speed within 120s, wherein the weight ratio of the polyacrylonitrile fibers to the coated ceramic particles is 1:1, stirring at the rotating speed of 80r/min for 5min, and drying at room temperature to obtain a semi-finished product.
Preparation example 16: the difference between the present preparation example and preparation example 10 is that:
II, weighing coated ceramic particles, stirring at the rotating speed of 280r/min, weighing polyacrylonitrile fibers, adding the polyacrylonitrile fibers to the coated ceramic particles at a constant speed within 120s, wherein the weight ratio of the polyacrylonitrile fibers to the coated ceramic particles is 1:1, stirring at the rotating speed of 180r/min for 5min, and drying at room temperature to obtain a semi-finished product.
Examples
Acrylic emulsions of the following raw materials were purchased from acrylic emulsions manufactured by dow chemical, model 968 LO; the ceramic particles are purchased from a processing plant of the Yingbo mineral products in Lingshou county; imported pigment was purchased from pigment manufactured by bayer corporation, germany, specification BAYFERX 5337; the moisture-proof agent is purchased from the moisture-proof agent produced by Wake, Germany, and has the model of fh-f 16; the defoamer was purchased from the german mingling chemical group, model P841; calcium formate was purchased from guang lake science ltd, guang zhou; the water reducing agent is purchased from polycarboxylic acid high-efficiency water reducing agent manufactured by Basfugue corporation, model 2651; other raw materials and equipment are all sold in the market.
Example 1: the colored anti-skid paint for the pavement is prepared by the following method:
weighing 65kg of acrylic emulsion and 40kg of ceramic particles, mixing, stirring at the rotating speed of 800r/min for 5min, adding 5kg of high-performance auxiliary agent and 25kg of inlet pigment, continuously stirring for 3min, adding 6kg of moisture-proof agent, and continuously stirring for 1min to prepare the colored anti-skid paint for the pavement; the high-performance auxiliary agent consists of a defoaming agent, an early strength agent and a water reducing agent in a weight ratio of 1:1: 0.8; the defoaming agent is emulsified silicone oil; the early strength agent is calcium formate; the water reducing agent is a polycarboxylic acid high-efficiency water reducing agent; the grain diameter of the ceramic particles is 1-3 mm.
Example 2: the colored anti-skid paint for the pavement is prepared by the following method:
weighing 10kg of acrylic emulsion and 20kg of ceramic particles, mixing, stirring at the rotating speed of 800r/min for 5min, adding 2kg of high-performance auxiliary agent and 10kg of inlet pigment, continuously stirring for 3min, adding 2kg of moisture-proof agent, and continuously stirring for 1min to prepare the colored anti-skid paint for the pavement; the high-performance auxiliary agent consists of a defoaming agent, an early strength agent and a water reducing agent in a weight ratio of 1:0.6: 0.4; the defoaming agent is polydimethylsiloxane; the early strength agent is calcium formate; the water reducing agent is a polycarboxylic acid water reducing agent, and the grain diameter of the ceramic particles is 1-3 mm.
Example 3: the colored anti-skid paint for the pavement is prepared by the following method:
weighing 100kg of acrylic emulsion and 60kg of ceramic particles, mixing, stirring at the rotating speed of 800r/min for 5min, adding 8kg of high-performance auxiliary agent and 35kg of inlet pigment, continuously stirring for 3min, adding 10kg of moisture-proof agent, and continuously stirring for 1min to prepare the colored anti-skid paint for the pavement; the high-performance auxiliary agent consists of a defoaming agent, an early strength agent and a water reducing agent in a weight ratio of 1:1.5: 1.2; the defoaming agent is emulsified silicone oil; the early strength agent is potassium chloride; the water reducing agent is a naphthalene-based high-efficiency water reducing agent, and the grain diameter of ceramic particles is 1-3 mm.
Example 4: the present embodiment is different from embodiment 1 in that: the modified ceramic particles prepared in preparation example 1 were selected as the ceramic particles in the raw materials.
Example 5: the present embodiment is different from embodiment 1 in that: the modified ceramic particles prepared in preparation example 2 were selected as the ceramic particles in the raw materials.
Example 6: the present embodiment is different from embodiment 1 in that: the modified ceramic particles prepared in preparation example 3 were selected as the ceramic particles in the raw materials.
Example 7: this embodiment is different from embodiment 4 in that: the modified ceramic particles prepared in preparation example 4 were selected as the ceramic particles in the raw materials.
Example 8: this embodiment is different from embodiment 4 in that: the modified ceramic particles prepared in preparation example 5 were selected as the ceramic particles in the raw materials.
Example 9: this embodiment is different from embodiment 4 in that: the modified ceramic particles prepared in preparation example 6 were selected as the ceramic particles in the raw materials.
Example 10: this embodiment is different from embodiment 4 in that: the modified ceramic particles prepared in preparation example 7 were selected as the ceramic particles in the raw materials.
Example 11: this embodiment is different from embodiment 4 in that: the modified ceramic particles prepared in preparation example 8 were selected as the ceramic particles in the raw materials.
Example 12: this embodiment is different from embodiment 4 in that: the modified ceramic particles prepared in preparation example 9 were selected as the ceramic particles in the raw materials.
Example 13: this embodiment is different from embodiment 4 in that: the modified ceramic particles prepared in preparation example 10 were selected as the ceramic particles in the raw materials.
Example 14: this embodiment is different from embodiment 4 in that: the modified ceramic particles prepared in preparation example 11 were selected as the ceramic particles in the raw materials.
Example 15: this embodiment is different from embodiment 4 in that: the modified ceramic particles prepared in preparation example 12 were selected as the ceramic particles in the raw materials.
Example 16: this embodiment is different from embodiment 13 in that: the modified ceramic particles prepared in preparation example 13 were used as the ceramic particles in the raw materials.
Example 17: this embodiment is different from embodiment 13 in that: the modified ceramic particles prepared in preparation example 14 were selected as the ceramic particles in the raw materials.
Example 18: this embodiment is different from embodiment 13 in that: the modified ceramic particles prepared in preparation example 15 were selected as the ceramic particles in the raw materials.
Example 19: this embodiment is different from embodiment 13 in that:
the modified ceramic particles prepared in preparation example 16 were selected as the ceramic particles in the raw materials.
Example 20: this embodiment is different from embodiment 4 in that:
the polyacrylonitrile fiber is replaced by the glass fiber chopped strand with the same mass in the modified ceramic particle raw material.
Example 21: this embodiment is different from embodiment 4 in that:
the modified ceramic particle raw material is not added with the propolis ethanol solution.
Example 22: this embodiment is different from embodiment 7 in that:
the modified ceramic particles are prepared by the following steps: the pretreated ceramic particles are prepared by the following method: and (3) placing the open porous ceramic particles in water for cleaning, and drying at room temperature to obtain the pretreated ceramic particles.
Example 23: the present embodiment is different from embodiment 10 in that:
the modified ceramic particles are prepared by the following steps: the raw materials are replaced by epoxy resin with the same mass.
Example 24: this embodiment is different from embodiment 13 in that:
the modified ceramic particles are prepared by the following steps: the raw materials are replaced by the same mass of methyl silicone oil.
Example 25: this embodiment is different from embodiment 4 in that:
the modified ceramic particles are prepared by the following steps:
II, weighing coated ceramic particles, stirring at the rotating speed of 280r/min, weighing polyacrylonitrile fibers, adding the polyacrylonitrile fibers and the coated ceramic particles into the coated ceramic particles at one time, wherein the weight ratio of the polyacrylonitrile fibers to the coated ceramic particles is 1:1, stirring at the rotating speed of 120r/min for 5min, and drying at room temperature to obtain the modified ceramic particles.
Example 26: this embodiment is different from embodiment 4 in that:
the modified ceramic particles are prepared by the following steps:
and II, weighing coated ceramic particles, stirring at the rotating speed of 280r/min, weighing polyacrylonitrile fibers, adding the polyacrylonitrile fibers to the coated ceramic particles at a constant speed within 120s, wherein the weight ratio of the polyacrylonitrile fibers to the coated ceramic particles is 1:1, stirring at the rotating speed of 500r/min for 5min, and drying at room temperature to obtain the modified ceramic particles.
Example 27: this embodiment is different from embodiment 4 in that:
the high-performance auxiliary agent raw material is not added with a defoaming agent.
Comparative example
Comparative example 1: this comparative example differs from example 1 in that: moisture-proof agent is not added in the raw materials.
Comparative example 2: this comparative example differs from example 1 in that: the raw materials are replaced by epoxy resin with the same mass.
Comparative example 3: this comparative example differs from example 1 in that: the colored anti-skid paint for the road surface is purchased from a commercially available colored anti-skid road surface paint produced by Guangdong Baoluwei environmental protection materials Co.
Performance test
1. Detection of water resistance
Preparing the colored road surface anti-skid coatings by adopting the preparation methods of the examples 1 to 27 and the comparative examples 1 to 3 respectively, then respectively coating the prepared coatings on the surfaces of 30 cement concrete blocks to prepare test blocks, weighing the test blocks and recording the weights as initial weights; the specification of the cement concrete block is as follows: 1m2The square cement concrete block of (a); placing the test block at 1m3The test block is divided into an upper cavity and a lower cavity, water is injected into the upper cavity, the water is in contact with the coating solidified on the test block, the lower cavity is anhydrous, the coating solidified on the test block is in contact with the water for 3d and 30d, then the test block is taken out, the surface of the test block is wiped and dried, the weight of the test block is weighed and recorded as the weight of the test block after soaking, the weight-initial weight of the test block after soaking is a difference value, the difference value is recorded as a waterproof difference value, and the waterproof difference value reflects the water absorption degree of the test block, so that the waterproof performance of a coating formed after the colored antiskid coating on the pavement is solidified is represented.
2. Moisture resistance detection
Preparing the colored road surface anti-skid coatings by adopting the preparation methods of the examples 1 to 27 and the comparative examples 1 to 3 respectively, then coating the prepared coatings on the surfaces of 30 cement concrete blocks respectively to prepare test blocks, weighing the test blocks and recording the weights as initial weights; the specification of the cement concrete block is as follows: 1m2The square cement concrete block of (a); placing the test block at 1m3The test block is divided into an upper cavity and a lower cavity, the relative humidity in the air in the upper cavity is kept to be 85%, the coating solidified on the test block is positioned under the condition that the relative humidity in the upper cavity is 85%, the relative humidity in the lower cavity is 50%, the test block is placed in the room for 10 days, the test block is taken out, then the surface of the test block is wiped, the weight of the test block is weighed, and the weight is recorded as the weight after soakingAnd (3) the weight of the test block is the difference between the weight of the soaked test block and the initial weight, the difference is recorded as a moisture-proof difference, and the moisture-proof difference reflects the moisture absorption degree of the test block so as to represent the moisture-proof performance of the coating formed after the colored anti-skid paint on the pavement is cured.
3. Detection of elastic buffering performance of colored anti-skid paint for road surface
Preparing the colored anti-skid paint for the pavement by adopting the preparation methods of the examples 1 to 27 and the comparative examples 1 to 3 respectively, and then respectively coating the prepared paint on the surfaces of 30 cement concrete blocks to prepare test blocks; selecting a volunteer who steps on a rubber sole shoe with a thickness of 0.5cm, wherein the sole is in contact with the cured colored anti-slip coating on the road surface, and the volunteer respectively scores the foot pressing degree of 30 test blocks according to the following scoring standards: do not attack the foot (10 cents) → attack the foot seriously (0 cents).
4. Detection of elastic properties of ceramic particles
Modified ceramic particles were prepared by the preparation methods of examples 4 to 24, respectively, and the elastic properties of the ceramic particles of examples 1 to 27 were examined by the following steps: one of the ceramic particles of examples 1 to 27 was selected, respectively, and the ceramic particle having a radius of about 3mm (error of not more than 0.5) was pressed with a pressure of 100N to record the amount of deformation (the amount of deformation is a distance compressed).
TABLE 1 Performance test Table
As can be seen by combining examples 1-3 with Table 1, the colored road anti-skid coatings prepared in examples 1-3 have good waterproof and moisture-proof properties, but the scores are low, the ceramic particles have no deformation, and the problem that the colored road anti-skid coatings prepared in examples 1-3 are easy to damage feet is illustrated.
It can be seen from the combination of examples 1 and 4-6 and table 1 that, the modified ceramic particles prepared in preparation examples 1-3 are respectively selected as the ceramic particles in the raw materials of examples 4-6, compared with example 1, the colored road antiskid coatings prepared in examples 4-6 have good waterproof and moisture-proof properties, have good waterproof properties even if the coatings are soaked for a long time, and have a higher rating than that of example 1, and the deformation amount is larger than that of example 1; the propolis ethanol solution and the polyacrylonitrile fiber are coated on the surface of the ceramic particle, and the modified ceramic particle has good elastic buffer performance by utilizing the good flexible bonding effect of the polyacrylonitrile fiber and the propolis ethanol solution, so that the problem that the coating formed after the coating is cured generates foot damage can be solved.
By combining the example 4 and the examples 7 to 9 and combining the table 1, it can be seen that, in the preparation process of the modified ceramic particle in the example 7, the pretreated ceramic particle is prepared by using the open porous ceramic particle and soaking the open porous ceramic particle in ethanol, compared with the example 4, the colored road surface antiskid coating prepared in the examples 7 to 9 has good waterproof and moisture-proof performances, but the waterproof performance of the coating after 30d is inferior to that of the example 4, the scores of the examples 7 to 9 are higher than that of the example 4, and the deformation amount is larger than that of the example 4; the open porous ceramic particles are soaked in the ethanol, pores exist among the polyacrylonitrile fibers by virtue of the volatilization of the ethanol, and after the modified ceramic particles are stressed, the pores provide space position storage for the polyacrylonitrile fibers, so that the elastic buffer performance of the modified ceramic particles is further improved, and the foot-rubbing phenomenon is relieved.
Combining example 4 and examples 10-12 with table 1, it can be seen that the modified ceramic particles of examples 10-12 are prepared by adding silica gel to the raw materials, compared to example 4, the colored road anti-skid coatings prepared in examples 10-12 have good waterproof and moisture-proof properties, and the waterproof properties after 30d are better than those of example 4, and the scores of examples 10-12 are higher than those of example 4, and the deformation amount is larger than that of example 4; the cooperation of silica gel and polyacrylonitrile fiber is illustrated, the better elastic property of the silica gel elastomer is utilized to cooperate with the better flexible property of the polyacrylonitrile fiber, so that the elastic buffer property of the modified ceramic particles is further improved, and the feeling of hurting feet caused by paving the road surface with the ceramic particles is further relieved.
By combining example 4 and examples 13-15 with table 1, it can be seen that the modified ceramic particles of examples 13-15 are prepared by adding hydroxyl silicone oil to the raw materials during the preparation process, compared with example 4, the colored road anti-skid coatings prepared by examples 13-15 have good waterproof and moisture-proof properties, and after 30d, the waterproof property is better than that of example 4, and the grade is higher than that of example 4, and the deformation is higher than that of example 4; the hydroxyl silicone oil, the silica gel and the propolis ethanol solution are matched, so that the modified ceramic particles have good hydrophobicity, the hydrophobic effect of the road surface color anti-skid coating is improved, and the prepared road surface color anti-skid coating has good waterproof and moistureproof effects.
Combining example 13 with examples 16-17 and table 1, it can be seen that examples 16-17 have a slightly lower score than example 13 and a slightly lower amount of deformation than example 13, indicating that the stirring speed during the preparation of the coated ceramic granule is limited so that the modified ceramic granule produced has a good elastic cushioning effect.
Combining example 13 and examples 18-19 with table 1, it can be seen that the scores of examples 18-19 are slightly lower than example 13, and the deformation amount is slightly lower than example 13, which illustrates that the stirring speed after mixing the polyacrylonitrile fiber and the coated ceramic particles is limited, so that the raw materials are uniformly mixed, the membrane structure on the surface of the coated ceramic particles can be prevented from being damaged, the polyacrylonitrile fiber is firmly bonded on the surface of the coated ceramic particles, and the prepared modified ceramic particles have good elastic buffer effect.
It can be seen from the combination of example 4 and examples 20-21 and table 1 that, in example 20, the deformation amount of the modified ceramic particles prepared in example 20 is lower than that of example 4, and the grade of example 20 is lower than that of example 4, compared with the modified ceramic particles prepared in example 4, in which the polyacrylonitrile fibers are replaced by the glass chopped fibers of the same quality, which indicates that the modified ceramic particles can be endowed with better elastic buffer effect and alleviate foot-punch phenomenon of the road surface prepared by the road surface color anti-skid coating by utilizing the better flexibility of the polyacrylonitrile fibers.
Example 21 in which no propolis ethanol solution was added to the modified ceramic particle raw material, compared to example 4, the road surface colored anti-slip paint prepared in example 21 was inferior in waterproof performance after 30d to example 4, lower in score than example 4, and lower in deformation amount than example 4; the matching of the propolis ethanol solution and the polyacrylonitrile fiber is demonstrated, the good hydrophobicity of the propolis is utilized to improve the hydrophobicity of the modified ceramic particles, so that the waterproof performance of the colored anti-skid pavement is improved, and the good viscosity of the propolis ethanol solution is utilized to ensure that the polyacrylonitrile fiber is firmly attached to the surface of the ceramic particles, so that the elastic buffer performance of the modified ceramic particles is improved.
Combining example 7 and example 22, and table 1, it can be seen that example 22 modified ceramic particles were produced during the process: the pretreated ceramic particles are prepared by the following method: placing the open porous ceramic particles in water for cleaning, and drying at room temperature to obtain pretreated ceramic particles; compared with example 7, the road surface color anti-slip coating prepared in example 22 has poorer waterproof performance after 30d than that of example 7, lower score than that of example 7, and lower deformation amount than that of example 7; the ethanol adsorbed in the open porous ceramic particles is shown to volatilize during drying and break through a film layer solidified by the propolis ethanol solution, so that pores are provided between adjacent polyacrylonitrile fibers, and the spatial pores can provide spatial position storage for the elastic deformation of the polyacrylonitrile fibers, thereby further improving the elastic buffering performance of the modified ceramic particles.
Combining example 10 and example 23 and table 1, it can be seen that the modified ceramic particles of example 23 were prepared by replacing the colloidal silica with an equal mass of epoxy resin in the raw materials, and compared to example 10, example 23 scored less than example 10 and the amount of deformation was less than example 10; the better elastic property of the silica gel is matched with the flexibility of the polyacrylonitrile fiber, so that the elastic buffer property of the modified ceramic particles is further improved, the epoxy resin has higher hardness after being cured, and the modified ceramic particles prepared by using the epoxy resin as a raw material have higher hardness and are easy to generate the foot-pressing phenomenon.
By combining example 13 and example 24 and table 1, it can be seen that, in the preparation process of the modified ceramic particles, the hydroxy silicone oil is replaced by the same mass of methyl silicone oil in the raw materials, compared with example 13, the waterproof performance of the road surface color anti-slip coating prepared in example 24 after 30 days is weaker than that of example 13; the hydroxyl silicone oil is connected with the acrylic emulsion through hydrogen bonds, and the compatibility of the modified ceramic particles and the acrylic emulsion is further improved, so that the prepared road surface color anti-skid coating has good waterproof performance.
Combining example 4 with examples 25-27 and table 1, it can be seen that polyacrylonitrile fibers were added to the coated ceramic particles at one time during the preparation of the modified ceramic particles of example 25, and compared to example 4, the score of example 25 was lower than that of example 4, and the deformation amount was lower than that of example 4; the polyacrylonitrile fiber is not easy to uniformly contact with the coated ceramic particles after being added at one time, and the polyacrylonitrile fiber is easy to be distributed in the coating in a conglobation manner, so that the elastic buffering performance of the modified ceramic particles is influenced.
Example 26 during the preparation of the modified ceramic particle, the polyacrylonitrile fiber and the coated ceramic particle are mixed and stirred at the rotating speed of 500r/min, compared with example 4, the score of example 26 is lower than that of example 4, and the deformation amount is lower than that of example 4; the higher stirring speed is proved to easily influence the winding and coating effect of the polyacrylonitrile fibers on the surface of the ceramic particles, and the polyacrylonitrile fibers are easily cut off to form broken filaments which are distributed in the coating, so that the elastic buffering performance of the modified ceramic particles is influenced.
In example 27, no defoaming agent is added to the high-performance assistant raw material, and compared with example 4, the waterproof performance of the road surface color anti-skid paint prepared in example 27 is weaker than that of example 4 in 30d, which indicates that a uniform and dense coating can be formed by matching the defoaming agent and the acrylic emulsion, so that the waterproof performance of the coating cured by the road surface color anti-skid paint is improved.
As can be seen by combining example 1 and comparative examples 1 to 3 with Table 1, the moisture-proof and waterproof properties of the colored road surface anti-slip coating prepared in comparative example 1 are inferior to those of example 1 compared with example 1 because no moisture-proof agent is added to the raw material in comparative example 1; the moisture-proof agent and the acrylic emulsion are matched, so that the colored anti-skid paint for the pavement has good waterproof and moisture-proof performances.
Comparative example 2 the color road surface anti-skid paint prepared in comparative example 2 has a poorer waterproof performance after 30d than example 1 and a lower score than example 1 compared with example 1 in which the acrylic emulsion is replaced by the same mass of epoxy resin; the phenomenon that the high hardness of the cured epoxy resin enables the cured color anti-skid paint for the pavement to have high hardness and easily damage feet is shown.
Comparative example 3 the colored road anti-skid paint is a commercial paint, and compared with example 1, the waterproof performance of the paint of comparative example 3 after 30d is weaker than that of example 1; the road surface color anti-skid paint prepared by the method has good waterproof and moisture-proof performances, and still has good waterproofness after being soaked in water for a long time.
5. Drying time detection
The colored road surface antiskid coating is prepared by the preparation methods of the embodiments 1 to 3 respectively, and the surface drying time and the actual drying time are detected by a GB/T16777-2008 building waterproof coating test method, wherein the standard requirement of the surface drying time is less than or equal to 6h, and the test result of the application is 3 h; the requirement of the real dry time standard is ≦ 48h, and the test result of the application is 9 h.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (10)
1. The colored road surface antiskid coating is characterized by being prepared from the following raw materials in parts by weight: 10-100 parts of acrylic emulsion, 20-60 parts of ceramic particles, 2-8kg of high-performance auxiliary agent, 10-35 parts of imported pigment and 2-10 parts of moisture-proof agent.
2. The colored road surface antiskid coating of claim 1, wherein: the high-performance auxiliary agent consists of a defoaming agent, an early strength agent and a water reducing agent in a weight ratio of 1:0.6-1.5: 0.4-1.2.
3. The colored pavement antiskid coating of claim 1 wherein the early strength agent is calcium formate.
4. The colored road surface antiskid coating of claim 1, wherein the ceramic particles are modified ceramic particles, and the modified ceramic particles are prepared by a method comprising:
weighing propolis ethanol solution, spraying the propolis ethanol solution on the surface of ceramic particles, wherein the weight ratio of the ceramic particles to the propolis ethanol solution is 2-5:1, and preparing coated ceramic particles;
and II, weighing polyacrylonitrile fibers, adding the polyacrylonitrile fibers to the coated ceramic particles in a weight ratio of 1:0.8-1.4, stirring and mixing, and drying to obtain the modified ceramic particles.
5. The colored road surface antiskid coating of claim 4, wherein the ceramic particles in step I are pre-treated ceramic particles, and the pre-treated ceramic particles are prepared by the following steps: and (3) soaking the open porous ceramic particles in ethanol for 10-30min to obtain the pretreated ceramic particles.
6. The colored road surface antiskid coating of claim 4, wherein the semi-finished product is prepared after drying in the step II, silica gel is weighed and sprayed on the surface of the semi-finished product, the weight ratio of the silica gel to the semi-finished product is 1:0.8-1.5, and the modified ceramic particles are prepared after drying and crushing.
7. The colored road surface antiskid coating of claim 6, wherein the step II comprises the steps of crushing to obtain particles, weighing hydroxyl silicone oil, spraying the hydroxyl silicone oil on the surfaces of the particles, wherein the weight ratio of the hydroxyl silicone oil to the particles is 1:2-4, and drying to obtain the modified ceramic particles.
8. The colored road surface antiskid paint as claimed in claim 4, wherein the coated ceramic particles obtained in step II are stirred at a rotation speed of 200-350r/min, and polyacrylonitrile fibers are added to the coated ceramic particles within 60-180 s.
9. The colored road surface antiskid paint of claim 4, wherein the stirring speed in step II is 80-180 r/min.
10. The method for preparing a colored anti-skid paint for road surfaces as claimed in any one of claims 1 to 9, which is characterized by comprising the following steps:
weighing acrylic emulsion and ceramic particles, mixing and stirring, adding high-performance auxiliary agent and imported pigment, continuously stirring, then adding moisture-proof agent, and continuously stirring to obtain the colored anti-skid paint for the pavement.
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