CN115636634A - Antiskid brick that permeates water - Google Patents
Antiskid brick that permeates water Download PDFInfo
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- CN115636634A CN115636634A CN202211121089.8A CN202211121089A CN115636634A CN 115636634 A CN115636634 A CN 115636634A CN 202211121089 A CN202211121089 A CN 202211121089A CN 115636634 A CN115636634 A CN 115636634A
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- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5007—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with salts or salty compositions, e.g. for salt glazing
- C04B41/5011—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with salts or salty compositions, e.g. for salt glazing containing halogen in the anion
- C04B41/5012—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with salts or salty compositions, e.g. for salt glazing containing halogen in the anion chlorides
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
- C04B41/61—Coating or impregnation
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- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
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- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
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Abstract
The invention discloses an anti-skid water permeable brick, and relates to the technical field of building materials. When the antiskid permeable brick is prepared, firstly, cement, sand stone and modified calcium carbonate particles are uniformly mixed with water and placed in a mold to prepare a gully brick, the gully brick is heated by infrared rays to form a pore channel, then sodium chloride permeates into the pore channel to carry out ion exchange to prepare a porous gully brick, modified nano titanium dioxide is added to carry out ultrasonic treatment, modified nano titanium dioxide is combined and deposited on the surface of the porous gully brick, fat-soluble substances are smeared on the edge of the gully, methoxy trimethylsilane is deposited to form a hydrophobic surface, the fat-soluble substances on the edge of the gully are dissolved, ethyl orthosilicate is deposited on the edge of the gully to form a hydrophilic tip by ultrasonic interference, and the antiskid permeable brick is prepared. The anti-skid water permeable brick prepared by the invention has good anti-skid performance and water permeability.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to an anti-skid water permeable brick.
Background
As the main body of building materials, bricks are mainly used as green bricks and red bricks of building walls, as well as floor tiles for floor paving, ceramic tiles for decoration, cement bricks for paving and the like, along with the development of the society, cement bricks refer to a novel wall material called cement bricks which is manufactured by using fly ash, coal cinder, coal gangue, tailing slag, chemical industry slag or one or more of natural sand, tidal marsh mud and the like (as raw materials) as main raw materials, using cement as a coagulant and not calcining at high temperature. The cement brick has heavier dead weight and higher strength, does not need to be fired, uses the pollutant fly ash of an electric power plant as a material, is more environment-friendly, and has been greatly popularized by China. The only disadvantage of the building block is that the building block is combined with plastering mortar, which is not like red brick, and cracks are easily generated on the wall surface, thus affecting the beauty. The water spray should be fully during the construction, and the villa class that requires higher can consider to hang the wire net at the wall, can effectively prevent the crack.
The anti-slip water permeable brick prepared by the invention has good anti-slip performance and water permeability, and has a cleaning function.
Disclosure of Invention
The invention aims to provide an anti-skidding water permeable brick and a preparation method thereof, and aims to solve the problems in the prior art.
The anti-skid water permeable brick is characterized by mainly comprising the following components in parts by weight: 2000 to 2200 parts of cement, 200 to 220 parts of sandstone, 200 to 220 parts of modified calcium carbonate particles, 8 to 14 parts of modified nano titanium dioxide, 6 to 11 parts of methoxytrimethylsilane and 2~4 parts of ethyl orthosilicate.
As optimization, the modified calcium carbonate particles are prepared by reacting calcium chloride with sodium carbonate to prepare porous calcium carbonate particles and polymerizing maleic anhydride among pores of the porous calcium carbonate.
Preferably, the modified nano titanium dioxide is prepared by reacting tetrabutyl titanate with hydrochloric acid to form titanium dioxide sol, grinding the sol to prepare nano titanium dioxide after the sol forms gel, and coating the nano titanium dioxide with tetraethoxysilane.
As optimization, the preparation method of the antiskid water permeable brick mainly comprises the following preparation steps:
(1) Preparing a brick body: mixing cement with grain size3 to 5mm of sandstone, modified calcium carbonate particles and pure water according to the mass ratio of 10:1:1:4 to 10:2:2:5, mixing evenly, placing in a die with the thickness of 300mm 100mm, and using 0.3 to 0.5g/cm for every 6h at the temperature of 20 to 30 ℃ in an indoor environment 2 Spraying water with the amount of the above water on the surface, and standing for 24-30h to prepare a gully brick;
(2) Infrared and salt infiltration: heating the gully brick by using an infrared lamp for 3-5h, then suspending the gully brick, attaching the gully brick to the side surface by using a wood board to form a barrel shape, adding a sodium chloride solution with the mass fraction of 3~5% and the mass of 3~5 times of the gully brick, and draining the gully brick through a pore channel under the action of gravity at 20-30 ℃ to prepare the porous gully brick;
(3) Primary ultrasonic deposition and hydrophobic treatment: placing a porous gully brick gully surface upwards in pure water with the mass of 1.1-1.3 times of that of the porous gully brick, adding modified nano titanium dioxide with the mass of 0.03-0.05 times of that of the porous gully brick and ethyl orthosilicate with the mass of 0.003-0.005 times of that of the porous gully brick, reacting for 3-5 h under ultrasonic oscillation at 20-30 ℃ and 300-500kHz, coating polymethyl acrylate with the width of 1.5-2.5 mm at the gully edge to the thickness of 300-500 mu m at 60-70 ℃, then placing the gully surface upwards in ammonia water with the mass fraction of 15-20% and the mass of 3~5 times of that of the porous gully brick, adding methoxytrimethylsilane with the mass of 0.03-0.05 times of that of the porous gully brick, reacting for 80-10 min under ultrasonic oscillation at 20-30 ℃ and 30-404063 times of that of the porous gully brick, taking out, and placing the brick in pure water for draining for 80-3 min, and then placing the brick under ultrasonic oscillation at 20-5 min;
(4) Secondary ultrasonic deposition: pretreating a hydrophobic gully brick, then placing the gully surface upwards in 15-20% ammonia water with the mass fraction of 1.1-1.3 times of that of the hydrophobic gully brick, adding absolute ethyl alcohol with the mass fraction of 0.3-0.5 times of that of the hydrophobic gully brick and ethyl orthosilicate with the mass fraction of 0.001-0.002 times of that of the hydrophobic gully brick, performing interference wave treatment on one side of the hydrophobic gully brick by using 300-500kHz ultrasonic waves and applying a double-slit interference plate for 40-50min, then placing the hydrophobic gully brick in pure water for 3-5min, draining, wrapping the surface with a concrete curing film at room temperature, and using 0.3-0.5g/cm every 6h for 0.3-0.5g/cm 2 Spraying water with the amount of the above on the surface, and curing for 25 to 28 days to obtain the antiskid water permeable brick.
Preferably, the cement in the step (1) is one or a mixture of more of portland cement, ordinary portland cement, portland slag cement, pozzolanic portland cement, portland fly ash cement and composite portland cement.
As optimization, the preparation method of the modified calcium carbonate particles in the step (1) comprises the following steps: adding sodium dodecyl sulfate which is 0.005 to 0.008 times of the mass of a calcium chloride solution into the calcium chloride solution with the mass fraction of 10%, stirring for 3 to 5min at 20 to 30 ℃ and 2000 to 2500r/min, then adding a sodium carbonate solution with the mass fraction of 1 time of the mass fraction of the calcium chloride solution, stirring for 10 to 15min at 20 to 30 ℃ and 1000 to 1500r/min, then centrifuging for 25 to 30min at 7000 to 8000r/min, collecting precipitates, washing 3~5 times by using pure water and absolute ethyl alcohol respectively, and drying for 4 to 6h at 70 to 80 ℃ to prepare porous calcium carbonate particles; mixing porous calcium carbonate particles, maleic anhydride and isopropanol according to a mass ratio of 1:1:10 to 1:1:15, uniformly mixing, adding a sodium hydroxide solution with the mass fraction of 50 percent and the mass fraction of 3~5 times of the mass of the porous calcium carbonate particles and ferric ammonium sulfate with the mass fraction of 0.03 to 0.05 time of the mass of the porous calcium carbonate particles, heating to 70 to 80 ℃, adding hydrogen peroxide with the mass fraction of 30 percent and the mass fraction of 1 time of the mass of the porous calcium carbonate particles every 30min, reacting for 5 to 6h, continuously preserving the heat for 80 to 100min, cooling to 5 to 25 ℃, filtering, washing 3~5 times by using absolute ethyl alcohol, and drying for 6 to 8h at-10 to-1 ℃ and the pressure of 5 to 10Pa to prepare the calcium carbonate.
And (3) optimizing, wherein the working voltage of the infrared lamp in the step (2) is 380 to 400V, and the power is 3kW.
As optimization, the preparation method of the modified nano titanium dioxide in the step (3) comprises the following steps: tetrabutyl titanate, acetylacetone and absolute ethyl alcohol are mixed according to the mass ratio of 10:1:30 to 10:1:40, uniformly mixing to prepare tetrabutyl titanate solution; mixing a hydrochloric acid solution with the mass fraction of 10-15% and absolute ethyl alcohol according to the mass ratio of 1:4~1:5, uniformly mixing to prepare a hydrochloric acid alcohol solution, dropwise adding the hydrochloric acid alcohol solution with the mass being 1.3-1.5 times of that of the tetrabutyl titanate solution into the tetrabutyl titanate solution at the speed of 20-30 ℃ and the speed of 1500-2000r/min under stirring, continuously stirring at the same rotating speed for 40-48h, filtering, washing with absolute ethyl alcohol and pure water for 3~5 times respectively, and mixing with ammonia water with the mass fraction of 15% and the absolute ethyl alcohol according to the mass ratio of 1:4:4~1:6:6, uniformly mixing, adding tetraethoxysilane with the mass of 2.5 to 2.8 times of that of tetrabutyl titanate, stirring and reacting for 2 to 3 hours at the temperature of 20 to 30 ℃ and at the speed of 1500 to 2000r/min, filtering, sequentially washing 3~5 times by deionized water and absolute ethyl alcohol respectively, and drying for 6 to 8hours at the temperature of minus 10 to minus 1 ℃ and under the pressure of 5 to 10 Pa.
As optimization, the pretreatment method in the step (4) comprises the following steps: and (3) soaking and washing the hydrophobic gully brick with acetone at the temperature of 40-50 ℃ for 3-5 min, and draining.
Compared with the prior art, the invention has the following beneficial effects:
the anti-skid water permeable brick is prepared by preparing a brick body, carrying out infrared salt infiltration, carrying out primary ultrasonic deposition and hydrophobic treatment, and carrying out secondary ultrasonic deposition.
Firstly, polymerizing maleic anhydride in pores of porous calcium carbonate particles to form modified calcium carbonate particles which are wound by polymaleic anhydride in a crossed manner, wherein the long-chain structure of the polymaleic anhydride can increase the toughness of the prepared brick, mixing cement and sand stone, adding the modified calcium carbonate particles, and shaping in a mold to form a gully brick with gullies on one side surface, wherein the gully surface is easy to permeate and run off water and has an anti-slip effect; the polymaleic anhydride in the modified calcium carbonate particles in the gully brick is hydrolyzed into carboxyl through infrared heating, the carboxyl reacts with calcium carbonate to generate organic calcium salt and carbon dioxide, the carbon dioxide is heated and expands to form a pore channel, the water permeability of the gully brick is improved, sodium chloride is used for salt infiltration in a sexual mode, the sodium chloride and the organic calcium salt are subjected to ion exchange through the pore channel to form organic sodium salt, the porous gully brick is prepared, the organic sodium salt is easy to absorb water and dissociate, the concentration of a local aqueous solution is increased, water penetrates through the pore channel under the action of concentration difference, and the water permeability of the gully brick is further improved.
Secondly, forming a photocatalytic layer on the surface of the modified nano titanium dioxide, covering and protecting by polymethyl acrylate on the edge lines of the gullies, forming hydrophobic surfaces on the surfaces of the porous gully bricks and the gullies by organic silicon, and when water drops are on the surfaces of the hydrophobic layers, subjecting the water drops to upward hydrophobic force and downward static pressure, wherein the static pressure is increased along with the increase of the volume of the water drops, and when the static pressure is enough to overcome the hydrophobic force, the water drops penetrate through the hydrophobic layers and penetrate through the thin film under the capillary action of the hydrophilic layers. When the water drops are on the hydrophilic surface, the water drops are spread under the action of strong capillary, so that the static pressure is reduced, and meanwhile, the water drops cannot penetrate through the film due to the large resistance of the hydrophobic layer, so that the one-way permeation of water is realized, in addition, the modified nano titanium dioxide can degrade grease through photocatalysis, the grease is prevented from being retained on the surface, and the anti-skid property is improved; the polymethyl acrylate is dissolved, the ethyl orthosilicate forms stripe-shaped deposition through ultrasonic interference, the stripe-shaped deposition is intersected with the edge line of a gully to form a hydrophilic tip at the edge of the gully, the hydrophilic tip can easily adsorb water on the surface of the gully and flow into the gully at a low rate, the anti-skid effect is improved, meanwhile, when no water exists, water in the air can be adsorbed to be condensed into small water drops on the surface, the water drops slide down into a hydrophobic gully under the action of gravity, dirt is carried away, and the self-cleaning effect is achieved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to more clearly illustrate the method provided by the present invention, the following examples are used to describe the method for testing each index of the antiskid water permeable brick manufactured in the following examples as follows:
anti-skid performance: the anti-slip water permeable bricks obtained in each example were made of the same volume as the comparative example materials, placed in the same outdoor environment with the gully facing upward, and sprayed on the surface with the same amount of the same oil-water mixture, and after being exposed to the sun for 1 hour, the same pressure was applied with the same type of sports shoes, and the frictional force was measured and recorded.
Water permeability: the anti-skid water permeable bricks obtained in the embodiments and the comparative example material are made into the same volume, the anti-skid water permeable bricks are suspended in the air, the gully surfaces of the anti-skid water permeable bricks face upwards, the side surfaces of the anti-skid water permeable bricks are surrounded by the anti-skid water permeable bricks to prevent water from flowing off from the side surfaces, and the same amount of water is added to measure the water permeability at the same time and the same pressure and the same temperature.
Example 1
An antiskid permeable brick mainly comprises the following components in parts by weight: 2000 parts of cement, 200 parts of sandstone, 200 parts of modified calcium carbonate particles, 8 parts of modified nano titanium dioxide, 6 parts of methoxytrimethylsilane and 2 parts of ethyl orthosilicate.
A preparation method of an anti-skid water permeable brick mainly comprises the following preparation steps:
(1) Preparing a brick body: adding sodium dodecyl sulfate which is 0.005 time of the mass of the calcium chloride solution into the calcium chloride solution with the mass fraction of 10%, stirring for 5min at 20 ℃ at 2000r/min, adding a sodium carbonate solution which is 1 time of the mass fraction of the calcium chloride solution and is 10% of the mass fraction of the calcium chloride solution, stirring for 15min at 20 ℃ at 1000r/min, centrifuging for 30min at 7000r/min, collecting precipitates, washing for 3 times respectively by using pure water and absolute ethyl alcohol, and drying for 4h at 70 ℃ to prepare porous calcium carbonate particles; mixing porous calcium carbonate particles, maleic anhydride and isopropanol according to a mass ratio of 1:1:10, uniformly mixing, adding a sodium hydroxide solution with the mass fraction of 50 percent, which is 3 times of the mass of the porous calcium carbonate particles, and ferric ammonium sulfate with the mass fraction of 0.03 time of the mass of the porous calcium carbonate particles, heating to 70 ℃, adding hydrogen peroxide with the mass fraction of 30 percent, which is 1 time of the mass of the porous calcium carbonate particles, into the mixture every 30min, reacting for 6h, keeping the temperature for 100min, cooling to 5 ℃, filtering, washing for 3 times by using absolute ethyl alcohol, and drying for 8h at the temperature of-10 ℃ and under the pressure of 5Pa to obtain modified calcium carbonate particles; mixing cement, gravel with the particle size of 3mm, modified calcium carbonate particles and pure water according to the mass ratio of 10:1:1:4 mixing, placing in a mold with a diameter of 300mm 100mm, and heating at 20 deg.C in a room at a temperature of 0.3g/cm for 6 hr 2 Spraying the water with the amount of the above amount on the surface, and standing for 30 hours to prepare a gully brick;
(2) Infrared and salt infiltration: heating the gully brick for 3 hours by using an infrared lamp, suspending the gully brick in the air, attaching the gully brick to the side surface by using a wood board to form a wooden barrel shape, adding a sodium chloride solution with the mass fraction of 5% and the mass being 3 times that of the gully brick, and draining the gully brick through a pore channel under the action of gravity at 20 ℃ to prepare a porous gully brick;
(3) Primary ultrasonic deposition and hydrophobic treatment: tetrabutyl titanate, acetylacetone and absolute ethyl alcohol are mixed according to the mass ratio of 10:1:30, uniformly mixing to prepare a tetrabutyl titanate solution; mixing a hydrochloric acid solution with the mass fraction of 10% and absolute ethyl alcohol according to the mass ratio of 1:4, uniformly mixing to prepare a hydrochloric acid alcohol solution, dropwise adding the hydrochloric acid alcohol solution with the mass being 1.3 times of that of the tetrabutyl titanate solution into the tetrabutyl titanate solution at the speed of 20 ℃ and 1500r/min under stirring, continuously stirring at the same rotating speed for 48 hours, filtering, washing 3 times with absolute ethyl alcohol and pure water respectively, and then mixing with ammonia water and absolute ethyl alcohol with the mass fraction being 15% according to the mass ratio of 1:4:4, uniformly mixing, adding tetraethoxysilane with the mass 2.5 times that of tetrabutyl titanate, stirring and reacting for 3 hours at the temperature of 20 ℃ and at the speed of 1500r/min, filtering, sequentially washing for 3 times by using deionized water and absolute ethyl alcohol respectively, and drying for 8 hours at the temperature of minus 10 ℃ and under the pressure of 5Pa to prepare modified nano titanium dioxide; placing the gully surface of a porous gully brick upwards in pure water with the mass of 1.1 times of that of the porous gully brick, adding modified nano titanium dioxide with the mass of 0.03 time of that of the porous gully brick and tetraethoxysilane with the mass of 0.003 time of that of the porous gully brick, reacting for 5 hours under ultrasonic oscillation at 20 ℃ and 300kHz, coating polymethyl acrylate with the width of 1.5mm at the gully edge to the thickness of 300 mu m at 60 ℃, placing the gully surface upwards in ammonia water with the mass fraction of 20 percent and the mass of 3 times of that of the porous gully brick, adding methoxytrimethylsilane with the mass of 0.03 time of that of the porous gully brick, reacting for 100 minutes under ultrasonic oscillation at 20 ℃ and 30kHz, taking out and placing in pure water for immersion washing for 5 minutes, and draining to prepare the hydrophobic gully brick;
(4) Secondary ultrasonic deposition: soaking hydrophobic gully brick in 40 deg.C acetone for 5min, draining, placing gully face upward in 15% ammonia water with mass fraction 1.1 times of that of hydrophobic gully brick, adding anhydrous ethanol 0.3 times of that of hydrophobic gully brick and ethyl orthosilicate 0.001 times of that of hydrophobic gully brick, treating one side with 300kHz ultrasonic wave and applying double-seam interference plate to form interference wave for 50min, soaking in pure water for 5min, draining, wrapping the surface with concrete curing film at room temperature, and coating with 0.3g/cm every 6 hr 2 Spraying the water with the amount of the above water on the surface, and maintaining for 25 days to obtain the antiskid water permeable brick.
Example 2
An antiskid permeable brick mainly comprises the following components in parts by weight: 2100 parts of cement, 210 parts of sandstone, 210 parts of modified calcium carbonate particles, 11 parts of modified nano titanium dioxide, 9 parts of methoxytrimethylsilane and 3 parts of ethyl orthosilicate.
A preparation method of an anti-skid water permeable brick mainly comprises the following preparation steps:
(1) Preparing a brick body: adding sodium dodecyl sulfate which is 0.006 time of the mass of the calcium chloride solution into the calcium chloride solution with the mass fraction of 10%, stirring for 4min at 25 ℃ and 2200r/min, adding a sodium carbonate solution with the mass fraction of 1 time of the mass of the calcium chloride solution, stirring for 12min at 25 ℃ and 1300r/min, centrifuging for 28min at 7500r/min, collecting precipitates, washing for 4 times by pure water and absolute ethyl alcohol respectively, and drying for 5h at 75 ℃ to prepare porous calcium carbonate particles; mixing porous calcium carbonate particles, maleic anhydride and isopropanol according to a mass ratio of 1:1:12, uniformly mixing, adding a sodium hydroxide solution with the mass fraction of 50 percent 4 times that of porous calcium carbonate particles and ferric ammonium sulfate with the mass fraction of 0.04 time that of the porous calcium carbonate particles, heating to 75 ℃, adding hydrogen peroxide with the mass fraction of 30 percent 1 time that of the porous calcium carbonate particles every 30min for reaction for 5h, keeping the temperature for 90min, cooling to 15 ℃, filtering, washing for 4 times by using absolute ethyl alcohol, and drying for 7h at the temperature of-5 ℃ and under the pressure of 8Pa to prepare modified calcium carbonate particles; mixing cement, gravel with the particle size of 4mm, modified calcium carbonate particles and pure water according to the mass ratio of 10:1.5:1.5:4.5 mixing, placing in a die with a diameter of 300mm 100mm, and using 0.4g/cm per 6h at 25 deg.C in a room environment 2 Spraying the water with the amount of the above amount on the surface, and standing for 27 hours to prepare a gully brick;
(2) Infrared and salt infiltration: heating the gully brick for 4 hours by using an infrared lamp, suspending the gully brick, attaching the gully brick to the side surface by using a wood board to form a barrel shape, adding a sodium chloride solution with the mass fraction of 4% and the mass of 4 times of that of the gully brick, and draining the gully brick through a pore channel under the action of gravity at 25 ℃ to prepare a porous gully brick;
(3) Primary ultrasonic deposition and hydrophobic treatment: tetrabutyl titanate, acetylacetone and absolute ethyl alcohol are mixed according to the mass ratio of 10:1:35 evenly mixing to prepare tetrabutyl titanate solution; mixing a hydrochloric acid solution with the mass fraction of 12% and absolute ethyl alcohol according to the mass ratio of 1:4.5, uniformly mixing to prepare a hydrochloric acid alcohol solution, dropwise adding the hydrochloric acid alcohol solution with the mass being 1.4 times of that of the tetrabutyl titanate solution into the tetrabutyl titanate solution at the speed of 1mL/s under the stirring of 25 ℃ and 1800r/min, continuously stirring for 44 hours at the same rotating speed, filtering, washing for 4 times by using absolute ethyl alcohol and pure water respectively, and then mixing with ammonia water with the mass fraction of 15% and the absolute ethyl alcohol according to the mass ratio of 1:5:5, uniformly mixing, adding tetraethoxysilane with the mass of 2.6 times that of tetrabutyl titanate, stirring and reacting at 25 ℃ and 1800r/min for 2.5 hours, filtering, sequentially washing with deionized water and absolute ethyl alcohol for 4 times respectively, and drying at-5 ℃ and under the pressure of 8Pa for 7 hours to prepare modified nano titanium dioxide; placing the porous gully brick with the gully surface facing upwards in pure water of which the mass is 1.2 times that of the porous gully brick, adding modified nano titanium dioxide of which the mass is 0.04 times that of the porous gully brick and tetraethoxysilane of which the mass is 0.004 times that of the porous gully brick, reacting for 4 hours under ultrasonic oscillation of 25 ℃ and 400kHz, coating polymethyl acrylate of which the width is 2mm at the gully edge to be 500 mu m thick at 65 ℃, placing the gully surface facing upwards in ammonia water of which the mass fraction is 18% and of which the mass is 4 times that of the porous gully brick, adding methoxy trimethylsilane of which the mass is 0.04 times that of the porous gully brick, reacting for 90 minutes under ultrasonic oscillation of 25 ℃ and 35kHz, taking out, placing in pure water for immersion cleaning for 4 minutes, and draining to prepare the hydrophobic gully brick;
(4) Secondary ultrasonic deposition: soaking and washing hydrophobic gully bricks with acetone of 45 ℃ for 4min, draining, placing gully face upward in ammonia water with mass fraction of 18% and weight 1.2 times of that of the hydrophobic gully bricks, adding anhydrous ethanol with mass 0.4 times of that of the hydrophobic gully bricks and tetraethoxysilane with mass 0.0015 times of that of the hydrophobic gully bricks, treating one side with 400kHz ultrasonic waves and applying a double-seam interference plate to form interference waves for 45min, soaking and washing in pure water for 4min, draining, coating the surface with a concrete protective film at room temperature, and coating with 0.4g/cm per 6h 2 Spraying the water with the amount of the above water on the surface, and maintaining for 26 days to obtain the antiskid water permeable brick.
Example 3
An antiskid permeable brick mainly comprises the following components in parts by weight: 2200 parts of cement, 220 parts of sandstone, 220 parts of modified calcium carbonate particles, 14 parts of modified nano titanium dioxide, 11 parts of methoxytrimethylsilane and 4 parts of ethyl orthosilicate.
A preparation method of an anti-skid water permeable brick mainly comprises the following preparation steps:
(1) Preparing a brick body: adding sodium dodecyl sulfate 0.008 times the mass of the calcium chloride solution into the calcium chloride solution with the mass fraction of 10%, and stirring at 30 ℃ and 2500r/minStirring for 5min, adding a sodium carbonate solution with the mass fraction of 10% and the mass of 1 time that of the calcium chloride solution, stirring for 10min at 30 ℃ and 1500r/min, centrifuging for 25min at 8000r/min, collecting precipitates, washing for 5 times by using pure water and absolute ethyl alcohol respectively, and drying for 4h at 80 ℃ to obtain porous calcium carbonate particles; mixing porous calcium carbonate particles, maleic anhydride and isopropanol according to a mass ratio of 1:1:15, uniformly mixing, adding a sodium hydroxide solution with the mass fraction of 50 percent and the mass fraction of 5 times of the mass of porous calcium carbonate particles and ferric ammonium sulfate with the mass fraction of 0.05 time of the mass of the porous calcium carbonate particles, heating to 80 ℃, adding hydrogen peroxide with the mass fraction of 30 percent and the mass fraction of 1 time of the mass of the porous calcium carbonate particles every 30min for reaction for 6h, continuing to keep the temperature for 80min, cooling to 25 ℃, filtering, washing for 5 times by using absolute ethyl alcohol, and drying for 6h at the temperature of-1 ℃ and under the pressure of 10Pa to prepare modified calcium carbonate particles; mixing cement, gravel with the particle size of 5mm, modified calcium carbonate particles and pure water according to the mass ratio of 10:2:2:5 mixing, placing in a mold with a diameter of 300mm 100mm, and heating at 30 deg.C in a room atmosphere for 6 hr at a temperature of 0.5g/cm 2 Spraying the water with the amount of the above amount on the surface, and standing for 30 hours to prepare a gully brick;
(2) Infrared and salt infiltration: heating the gully brick for 5 hours by using an infrared lamp, suspending the gully brick, attaching the gully brick to the side surface by using a wood board to form a barrel shape, adding a sodium chloride solution with the mass fraction of 3 percent, which is 5 times of the mass of the gully brick, and draining the gully brick through a pore channel under the action of gravity at 30 ℃ to prepare a porous gully brick;
(3) Primary ultrasonic deposition and hydrophobic treatment: tetrabutyl titanate, acetylacetone and absolute ethyl alcohol are mixed according to the mass ratio of 10:1:40, uniformly mixing to prepare tetrabutyl titanate solution; mixing a hydrochloric acid solution with the mass fraction of 15% and absolute ethyl alcohol according to the mass ratio of 1:5, uniformly mixing to prepare a hydrochloric acid alcohol solution, dropwise adding the hydrochloric acid alcohol solution with the mass being 1.5 times of that of the tetrabutyl titanate solution into the tetrabutyl titanate solution at the speed of 1mL/s under the stirring of 2000r/min at the temperature of 30 ℃, continuously stirring for 40h at the same rotating speed, filtering, washing for 5 times by using absolute ethyl alcohol and pure water respectively, and then mixing with ammonia water with the mass fraction of 15% and the absolute ethyl alcohol according to the mass ratio of 1:6:6, uniformly mixing, adding tetraethoxysilane with the mass 2.8 times that of tetrabutyl titanate, stirring and reacting for 2 hours at 30 ℃ and 2000r/min, filtering, sequentially washing with deionized water and absolute ethyl alcohol for 5 times respectively, and drying for 6 hours at-1 ℃ and under the pressure of 10Pa to prepare modified nano titanium dioxide; placing the gully surface of a porous gully brick upwards in pure water with the mass of 1.3 times of that of the porous gully brick, adding modified nano titanium dioxide with the mass of 0.05 times of that of the porous gully brick and tetraethoxysilane with the mass of 0.005 times of that of the porous gully brick, reacting for 3 hours under ultrasonic oscillation of 30 ℃ and 500kHz, smearing polymethyl acrylate with the width of 2.5mm to the thickness of 300 mu m at the temperature of 70 ℃, placing the gully surface upwards in ammonia water with the mass fraction of 15 percent and the mass of 5 times of that of the porous gully brick, adding methoxy trimethylsilane with the mass of 0.05 times of that of the porous gully brick, reacting for 100 minutes under ultrasonic oscillation of 30 ℃ and 40kHz, taking out and placing in pure water for immersion washing for 5 minutes, and draining to prepare the hydrophobic gully brick;
(4) Secondary ultrasonic deposition: soaking hydrophobic gully brick in 50 deg.C acetone for 3min, draining, placing gully face upward in 20% ammonia water with mass fraction 1.3 times of that of hydrophobic gully brick, adding anhydrous ethanol with mass 0.5 times of that of hydrophobic gully brick and ethyl orthosilicate with mass 0.002 times of that of hydrophobic gully brick, treating one side with 500kHz ultrasonic wave and double-seam interference plate to form interference wave for 40min, soaking in pure water for 5min, draining, wrapping the surface with concrete curing film at room temperature, and coating with 0.5g/cm every 6 hr 2 Spraying the water with the amount of the above water on the surface, and maintaining for 28 days to obtain the antiskid water permeable brick.
Comparative example 1
Comparative example 1 was prepared in the same manner as in example 2. The non-slip water permeable brick is different from the brick in example 2 only in that modified calcium carbonate particles are replaced by porous calcium carbonate particles in composition.
Comparative example 2
Comparative example 2 was prepared in the same manner as in example 2. The antiskid water permeable brick is different from the antiskid water permeable brick in example 2 only in that the modified nano titanium dioxide is replaced by the nano titanium dioxide in composition.
Comparative example 3
The composition of comparative example 3 was the same as example 2. The antiskid water permeable brick is different from the antiskid water permeable brick in example 2 in that a mould of 300mm 100mm used in the step (1) has no gully lines and does not form a gully surface; and (3) smearing the polymethyl acrylate on the side edge of the brick body.
Comparative example 4
Comparative example 4 was formulated as in example 2. The preparation method of the antiskid water permeable brick is different from the embodiment 2 only in the difference of the step (4), and the step (4) is modified as follows: soaking and washing the hydrophobic gully brick with acetone at 45 ℃ for 4min, draining, placing the gully surface upwards in ammonia water with mass fraction of 18% and mass 1.2 times of that of the hydrophobic gully brick, adding absolute ethanol with mass 0.4 times of that of the hydrophobic gully brick and tetraethoxysilane with mass 0.0015 of that of the hydrophobic gully brick, stirring for 45min at 2000-3000r/min, soaking and washing in pure water for 4min, draining, wrapping the surface with a concrete curing film at room temperature, and wrapping the surface with 0.4g/cm every 6h 2 Spraying the water with the amount of the above water on the surface, and maintaining for 26 days to obtain the antiskid water permeable brick.
Effects of the invention
The following table 1 shows the performance analysis results of the antiskid performance and the water permeability of the antiskid water permeable bricks of examples 1 to 3 and comparative examples 1 to 4 using the present invention.
TABLE 1
| Frictional force | Water permeability | Frictional force | Water permeability | ||
| Example 1 | 864N | 286g | Comparative example 1 | 865N | 86g |
| Example 2 | 868N | 292g | Comparative example 2 | 552N | 292g |
| Example 3 | 865N | 283g | Comparative example 3 | 692N | 218g |
| Comparative example 4 | 708N | 281g |
From the comparison of the experimental data of examples 1, 2 and 3 and comparative example 1 in table 1, it can be seen that the water permeability of examples 1, 2 and 3 compared with comparative example 1 is large, which illustrates that the modified calcium carbonate prepared by polymerizing maleic anhydride among the pores of porous calcium carbonate, in the subsequent treatment, the polymaleic anhydride in the modified calcium carbonate particles is hydrolyzed into carboxyl, the carboxyl and calcium carbonate react to generate organic calcium salt and carbon dioxide, the carbon dioxide expands under heat to form pores, and sodium chloride and the organic calcium salt perform ion exchange through the pores to form organic sodium salt, the organic sodium salt is easy to absorb water to dissociate, the concentration of the local aqueous solution is increased, and water penetrates through the pores under the action of the concentration difference, so that the water permeability of the antiskid water permeable brick is improved; the embodiment 1, the embodiment 2 and the embodiment 3 have large friction compared with the comparative example 2, which shows that after the nano titanium dioxide is modified, the bonding capacity of the modified nano titanium dioxide and a brick body is enhanced, and the modified nano titanium dioxide is not easy to fall off and run off, so that the capacity of photocatalytic degradation of oil stains is improved, the oil stains are not easy to remain on the surface, and the anti-skid performance of the anti-skid water permeable brick is improved; the experimental data comparison of examples 1, 2 and 3 with comparative example 3 shows that the friction force and the water permeability of examples 1, 2 and 3 with comparative example 3 are large, which indicates that the water permeability effect of the anti-slip water permeable brick can be improved by increasing the liquid pressure when the liquid is gathered in the gullies, and the pressure promotes the water permeation, and meanwhile, the gully surface has the anti-slip function, and the water stain on the surface can be reduced when the liquid is gathered to accelerate the anti-slip performance of the anti-slip water permeable brick; from the comparison of experimental data of examples 1, 2 and 3 with comparative example 4, it can be seen that the friction force of examples 1, 2 and 3 with comparative example 4 is large, and ultrasonic interference intersects with stirring, and the ultrasonic interference causes ethyl orthosilicate to form stripe-shaped deposition, and the stripe-shaped deposition intersects with a gully edge line to form a hydrophilic tip at the gully edge, and the hydrophilic tip is easy to absorb water on the surface of the corresponding gully and flows into the gully, so as to improve the anti-skid effect.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (1)
1. The utility model provides an antiskid brick that permeates water which characterized in that: the adhesive mainly comprises the following components in parts by weight: 2100 parts of cement, 210 parts of sandstone, 210 parts of modified calcium carbonate particles, 11 parts of modified nano titanium dioxide, 9 parts of methoxytrimethylsilane and 3 parts of ethyl orthosilicate;
the preparation method of the antiskid water permeable brick mainly comprises the following preparation steps:
(1) Preparing a brick body: adding sodium dodecyl sulfate which is 0.006 time of the mass of the calcium chloride solution into the calcium chloride solution with the mass fraction of 10%, stirring for 4min at 25 ℃ and 2200r/min, adding a sodium carbonate solution with the mass fraction of 1 time of the mass of the calcium chloride solution, stirring for 12min at 25 ℃ and 1300r/min, centrifuging for 28min at 7500r/min, collecting precipitates, washing for 4 times by pure water and absolute ethyl alcohol respectively, and drying for 5h at 75 ℃ to prepare porous calcium carbonate particles; mixing porous calcium carbonate particles, maleic anhydride and isopropanol according to a mass ratio of 1:1:12, uniformly mixing, adding a sodium hydroxide solution with the mass fraction of 50 percent and 4 times of the mass of porous calcium carbonate particles and ferric ammonium sulfate with the mass fraction of 0.04 time of the mass of the porous calcium carbonate particles, heating to 75 ℃, adding hydrogen peroxide with the mass fraction of 30 percent and 1 time of the mass of the porous calcium carbonate particles every 30min for reaction for 5h, continuing to preserve heat for 90min, cooling to 15 ℃, filtering, washing for 4 times by using absolute ethyl alcohol, and drying for 7h at the pressure of-5 ℃ and 8Pa to prepare modified calcium carbonate particles; mixing cement, gravel with the particle size of 4mm, modified calcium carbonate particles and pure water according to the mass ratio of 10:1.5:1.5:4.5 mix well and place in a die of 300mm 100mm at 25 deg.C in room environment with 0.4g/cm per 6h 2 Spraying the water with the amount of the above amount on the surface, and standing for 27 hours to prepare a gully brick;
(2) Infrared and salt penetration: heating a gully brick for 4 hours by using an infrared lamp, suspending the gully brick in the air, attaching the gully brick to the side surface by using a wood board to form a wooden barrel shape, adding a sodium chloride solution with the mass fraction of 4% and the mass being 4 times that of the gully brick, and draining the gully brick through a pore channel under the action of gravity at 25 ℃ to prepare a porous gully brick;
(3) Primary ultrasonic deposition and hydrophobic treatment: tetrabutyl titanate, acetylacetone and absolute ethyl alcohol are mixed according to the mass ratio of 10:1:35 evenly mixing to prepare tetrabutyl titanate solution; mixing a hydrochloric acid solution with the mass fraction of 12% and absolute ethyl alcohol according to the mass ratio of 1:4.5, uniformly mixing to prepare a hydrochloric acid alcohol solution, dropwise adding the hydrochloric acid alcohol solution with the mass being 1.4 times of that of the tetrabutyl titanate solution into the tetrabutyl titanate solution at the speed of 1mL/s under the stirring of 25 ℃ and 1800r/min, continuously stirring for 44 hours at the same rotating speed, filtering, washing for 4 times by using absolute ethyl alcohol and pure water respectively, and then mixing with ammonia water with the mass fraction of 15% and the absolute ethyl alcohol according to the mass ratio of 1:5:5, uniformly mixing, adding tetraethoxysilane with the mass of 2.6 times that of tetrabutyl titanate, stirring and reacting at 25 ℃ and 1800r/min for 2.5 hours, filtering, sequentially washing with deionized water and absolute ethyl alcohol for 4 times respectively, and drying at-5 ℃ and under the pressure of 8Pa for 7 hours to prepare modified nano titanium dioxide; placing the gully surface of a porous gully brick upwards in pure water with the mass of 1.2 times of that of the porous gully brick, adding modified nano titanium dioxide with the mass of 0.04 time of that of the porous gully brick and tetraethoxysilane with the mass of 0.004 time of that of the porous gully brick, reacting for 4 hours under ultrasonic oscillation at 25 ℃ and 400kHz, coating polymethyl acrylate with the width of 2mm at 65 ℃ on the edge of the gully to the thickness of 500 mu m, placing the gully surface upwards in ammonia water with the mass fraction of 18 percent 4 times of that of the porous gully brick, adding methoxy trimethylsilane with the mass of 0.04 time of that of the porous gully brick, reacting for 90 minutes under ultrasonic oscillation at 25 ℃ and 35kHz, taking out and placing in pure water for immersion washing for 4 minutes, and draining to prepare the hydrophobic gully brick;
(4) Secondary ultrasonic deposition: soaking and washing hydrophobic gully bricks with acetone of 45 ℃ for 4min, draining, placing gully face upward in ammonia water with mass fraction of 18% and weight 1.2 times of that of the hydrophobic gully bricks, adding anhydrous ethanol with mass 0.4 times of that of the hydrophobic gully bricks and tetraethoxysilane with mass 0.0015 times of that of the hydrophobic gully bricks, treating one side with 400kHz ultrasonic waves and applying a double-seam interference plate to form interference waves for 45min, soaking and washing in pure water for 4min, draining, coating the surface with a concrete protective film at room temperature, and coating with 0.4g/cm per 6h 2 Spraying the water with the amount of the above water on the surface, and maintaining for 26 days to obtain the antiskid water permeable brick.
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| US20060257643A1 (en) * | 2003-07-14 | 2006-11-16 | Superseal Ltd. | Hydrophobic composites and particulates and applications thereof |
| CN102553813A (en) * | 2012-02-17 | 2012-07-11 | 天津大学 | Sol-gel method for preparing micro/nano titanium dioxide and lyophobic film thereof on metal surfaces |
| CN106186874A (en) * | 2016-07-12 | 2016-12-07 | 绍兴职业技术学院 | A kind of ecological permeable bricks utilizing building waste to prepare and preparation method thereof |
| CN110540392A (en) * | 2019-09-27 | 2019-12-06 | 成都新柯力化工科技有限公司 | Nano-micropore ecological building water permeable brick and preparation method thereof |
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| CN103864126B (en) * | 2014-03-21 | 2015-01-21 | 扬州大学 | Method for preparing suspended dispersing type calcium carbonate |
| CN108499373A (en) * | 2018-04-09 | 2018-09-07 | 吕莉 | A kind of preparation method of super hydrophilic oleophobic type film base water-oil separating material |
| CN109180097A (en) * | 2018-08-31 | 2019-01-11 | 陈毅忠 | A kind of preparation method of water-permeable brick |
| CN111039595A (en) * | 2018-10-12 | 2020-04-21 | 仁创生态环保科技股份有限公司 | Novel water permeable material and preparation method thereof |
| NL2022583B1 (en) * | 2019-02-15 | 2020-08-28 | Normeco B V | Water permeable brick |
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| US20060257643A1 (en) * | 2003-07-14 | 2006-11-16 | Superseal Ltd. | Hydrophobic composites and particulates and applications thereof |
| CN102553813A (en) * | 2012-02-17 | 2012-07-11 | 天津大学 | Sol-gel method for preparing micro/nano titanium dioxide and lyophobic film thereof on metal surfaces |
| CN106186874A (en) * | 2016-07-12 | 2016-12-07 | 绍兴职业技术学院 | A kind of ecological permeable bricks utilizing building waste to prepare and preparation method thereof |
| CN110540392A (en) * | 2019-09-27 | 2019-12-06 | 成都新柯力化工科技有限公司 | Nano-micropore ecological building water permeable brick and preparation method thereof |
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