CN110563419A - Preparation method of cement decorative hanging plate - Google Patents
Preparation method of cement decorative hanging plate Download PDFInfo
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- CN110563419A CN110563419A CN201810575808.0A CN201810575808A CN110563419A CN 110563419 A CN110563419 A CN 110563419A CN 201810575808 A CN201810575808 A CN 201810575808A CN 110563419 A CN110563419 A CN 110563419A
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- hanging plate
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- decorative hanging
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- slag
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
- B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/36—Inorganic materials not provided for in groups C04B14/022 and C04B14/04 - C04B14/34
- C04B14/363—Ferrites
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/1055—Coating or impregnating with inorganic materials
- C04B20/1062—Metals
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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
- C04B28/08—Slag cements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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
- C04B2111/2092—Resistance against biological degradation
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
The invention discloses a method for preparing a cement decorative hanging plate, which comprises the steps of mixing and stirring ferrous chloride, ferric chloride, cupric chloride, sodium citrate, polyvinyl alcohol and distilled water, transferring the mixture into a reaction kettle for reaction and centrifugal separation to obtain CuFeO2A nanocube aqueous dispersion; adding silver nitrate, stirring for reaction, and centrifugally separating to obtain silver-plated CuFeO2a nanocube; stirring with sodium bentonite to obtain antibacterial agent; adding a polycarboxylic acid water reducer into the slag and the steel slag respectively, adding water, wet-milling, and mixing to obtain a mixture; the mixture is mixed with the antibacterial agent, cement clinker, ceramsite and triethanolamine, and water is added for mixing and stirring to prepare decorative hanging plate slurry; decoration (VIA)Pouring the slurry into a template of the transfer printing film with specific patterns, standing, tearing off the transfer printing film, and washing the surface under high pressure until the patterns are shown. The cement decorative hanging plate prepared by the invention is nontoxic, tasteless, crack-free, biological parasitic, various in patterns, attractive in appearance, light in weight, high in hardness, not easy to damage, easy to carry and wide in application field.
Description
Technical Field
The invention relates to a concrete material, in particular to a preparation method of a cement decorative hanging plate.
background
The building exterior wall cladding is generally a multilayer composite material, although the performance is excellent, the service life is short, and certain toxic and side effects exist. The concrete is used for wall decoration, so that the service life of building coats can be greatly prolonged, the service life of the building coats can be the same as that of buildings, and meanwhile, the concrete used for building outer wall decoration can also make up for the defects of high material price, complex preparation process and the like of the existing hanging plate material, so that the concrete is more and more concerned.
For example, CN106699030A discloses a green decorative board for building, which is prepared by preheating maleated rosin and preserving heat, adding molybdenum ore, zirconium-silicon slag, blast furnace slag, cement, glass powder, purple sand mud, silicon boride and water, stirring, adding modified olivine and heat-preserved maleated rosin, stirring to obtain slurry, pouring the slurry into a forming die to form gel, pressing and dehydrating to obtain a blank, pressing patterns on the surface of the blank, maintaining, trimming and drying.
CN102633524B discloses a production method of a fly ash outer wall decorative board, which comprises the following raw material formula: taking fly ash, epoxy resin, polyvinyl chloride, a foaming regulator, an AC foaming agent, stearic acid and calcium stearate; fully mixing and stirring; extruding and molding the mixed material through an extruder; heating and maintaining the formed blank; preparing the cured semi-finished product into a fly ash outer wall decorative plate blank with a certain specification and shape by using a plate pressing machine; conveying the pressed fly ash outer wall decorative plate blank to a drying kiln for drying; carrying out atomization glaze spraying on the dried fly ash outer wall decorative plate according to a conventional method; and drying the glazed coal ash outer wall decorative plate in a drying box.
Disclosure of Invention
the invention aims to provide a preparation method of a cement decorative hanging plate which is nontoxic, tasteless, crack-free, biological parasitic-free, various in patterns, attractive in appearance, light in weight, high in hardness, heat-insulating and sound-insulating and meets the performance requirements, aiming at the current situation.
The invention aims to realize a preparation method of a cement decorative hanging plate, which comprises the following specific steps:
1) Taking 1-2 parts of ferrous chloride, 1-2 parts of ferric chloride, 2-4 parts of copper chloride, 0.5-1 part of sodium citrate, 0.5-1 part of polyvinyl alcohol and 10-20 parts of distilled water by weight, mixing and stirring for 2 hours, transferring into a reaction kettle for reaction for 2-4 hours at 200 ℃, and obtaining CuFeO by centrifugal separation2a nanocube aqueous dispersion;
2) Taking 15-20 parts of CuFeO obtained in the step 1) by weight2Adding 4-6 parts of silver nitrate into the nano cubic water dispersion, stirring and reacting for 1-2h at 40-50 ℃, and centrifugally separating to obtain silver-plated CuFeO2A nanocube;
3) Adding 12-20 parts by weight of sodium bentonite into the silver-plated CuFeO obtained in the step 2)24-6 parts of nanocubes, and stirring for 3-5 minutes to obtain an antibacterial agent;
4) 100 parts of slag and 0.15-0.7 part of polycarboxylic acid water reducing agent are taken, and water is added according to the water-solid ratio of 0.5 for wet milling until the slag slurry D50 is 2-8 mu m; taking 50-100 parts of steel slag and 0.15-0.7 part of polycarboxylic acid water reducing agent by weight, adding water according to the water-solid ratio of 0.5, and wet-grinding until the steel slag slurry D10 is less than 0.5mm and the D50 is 0.8-1.2 mm; mixing the slag slurry and the steel slag slurry to obtain a mixture;
5) Adding 20-50 parts of cement clinker, 200 parts of ceramsite 150 and 0.3-0.8 part of triethanolamine into the mixture obtained in the step 4) and the antibacterial agent obtained in the step 3), adding water until the water-solid ratio is 0.5, and mixing and stirring for 4 minutes in a homogenizer at normal temperature to prepare slurry for the decorative hanging plate;
6) Pouring the decorative hanging plate slurry obtained in the step 5) into a template paved with a transfer printing film with a required pattern, and standing for 20-24 h; tearing off the transfer printing film, exposing the cement decorative hanging plate, and washing the surface of the exposed cement decorative hanging plate with high-pressure water until the pattern is shown to obtain the cement decorative hanging plate.
The invention has the following advantages:
1. The slag is used as a main cementing material, the inert RO phase in the steel slag is used as an aggregate, and compared with the main cementing material which only uses cement as the decorative hanging plate, the contrast of the washed pattern is obvious and the pattern is clear because the slag is white in color and the steel slag is grey; the slag and the steel slag belong to solid wastes, and are green and environment-friendly.
2. through a wet grinding preparation process, the particle surface is crushed, on one hand, slag is crushed into small particles from original large particles, the specific surface area is increased, the number of particles capable of undergoing hydration reaction is increased, on the other hand, most alkaline ions are dissolved out when the particles are crushed, and slag slurry can be directly hydrated and hardened in an alkaline water environment, has no potential activity and is low in mixing amount; meanwhile, the Si-O bond and the Al-O bond of slag particles are broken, surface ions are dissolved out, dislocation and gaps are increased, only a small amount of cement is needed for providing excitation, the later strength can be greatly improved, and the using amount of the cement is reduced.
3. The wet-grinding slag particles are finer, although the activity is improved, the surface charge of the slag particles is changed, the cohesiveness is enhanced, and the yield stress is large.
4. By using silver-plated CuFeO2The nanocubes enable the board to have an antibacterial function, good weather resistance and dispersion in the board materialA synergistic enhancement effect is formed, the antibacterial effect of the plate is realized for a long time, and the plate has an excellent radiation shielding effect; and in the material forming process, the refining of hydration products is promoted, and the mechanical property of the board surface is enhanced.
5. The ceramsite is adopted to replace a part of steel slag, the density of the ceramsite is far lighter than that of steel slag aggregate, but the slag slurry has high viscosity, so that the ceramsite can be stably suspended in the slurry, the dead weight of the decorative plate is reduced, the bearing capacity of a building cannot be influenced, the investment cost can be reduced in design, and the decorative plate has the functions of heat preservation and sound insulation of an outer wall.
6. The transfer printing film with the needed patterns is adopted to manufacture the decorative patterns, and the transfer printing film is non-toxic, tasteless, free of cracking and biological parasitism, various in patterns, attractive in appearance, light in weight, high in hardness, not easy to damage, easy to carry and wide in application field.
The cement decorative hanging plate prepared by the invention is particularly suitable for the external wall heat-insulating energy-saving decoration of office buildings, markets, hotels, houses and the like and the renovation and the reconstruction of the external wall surface of old buildings.
Detailed Description
The invention takes ferrous chloride, ferric chloride, cupric chloride, sodium citrate, polyvinyl alcohol and distilled water to mix and stir, transfers into a reaction kettle to react and centrifugally separate to obtain CuFeO2A nanocube aqueous dispersion; adding silver nitrate, stirring for reaction, and centrifugally separating to obtain silver-plated CuFeO2A nanocube; silver plated CuFeO2the oil absorption value of the nanocube is less than or equal to 40gDOP/100g and the nanocube is uniformly dispersed. Silver plated CuFeO2Stirring the nano cube and sodium bentonite to obtain the antibacterial agent.
Adding a polycarboxylic acid water reducer into the slag and the steel slag respectively, adding water, and wet-grinding to obtain the specific particle size. The KH-5 type polycarboxylic acid water reducer has an effective solid content of 40%. The slag slurry is obtained by wet grinding slag of ferrous metallurgy industry, the alkalinity coefficient of the slag is more than 1, the mass coefficient is more than or equal to 1.2, and the density is 2.9-3.1g/cm3The slag slurry D50 after wet grinding was 2-8 μm. The steel slag material is obtained by directly wet-grinding industrial waste slag in the steel-making industry, the alkalinity of the steel slag is 3.0-4.5, and the density is 3.3-3.5g/cm3The steel slag slurry D10 is less than 0.5mm after wet grinding, and D50 is 0.8-1.2 mm. And mixing the slag slurry and the steel slag slurry to obtain a mixture.
During the wet grinding process of the slag and the steel slag, the broken Si-O bonds of the slag and the steel slag react with water molecules in water, and Si is bonded with OH-O adsorbing H+Hydroxyl is hung on the surface of the glass body to weaken the adjacent Si-O bond; and after the M (metal ion) -O bond is broken, the M ion is transferred into a liquid phase to generate metal hydroxyl complex ions in water, so that the pH value of the cementing material is increased, the breakage of the Si-O bond is further promoted, a layer of porous high silicon film is formed on the surface of the particles, the polymerization degree of the surface hanging of the particles is reduced, and the slag and steel slag slurry is subjected to hydration hardening in the solution. At the moment, the levigated RO phase minerals in the steel slag can fill the pores left by water consumption or dissipation in the hardened slurry to play a role in filling the micro-aggregates.
The mixture is mixed with the antibacterial agent, cement clinker, ceramsite and triethanolamine, and water is added for mixing and stirring to prepare decorative hanging plate slurry; the cement clinker is silicate cement clinker with specific surface area not less than 350m2Kg, density of 3.1-3.3g/cm3(ii) a The density of the ceramsite is 0.31-0.36g/cm3The fineness modulus is 2.6-3.3.
Pouring the slurry of the decorative hanging plate into a template of a transfer printing film paved with a specific pattern, standing, tearing off the transfer printing film, and washing the surface at high pressure until the pattern is shown to obtain the cement decorative hanging plate. The specific pattern is a character, a landscape painting or a portrait of a person and the like.
The present invention is described in detail below with reference to specific examples.
Example 1
1) Mixing and stirring 1 part of ferrous chloride, 1 part of ferric chloride, 2 parts of copper chloride, 0.5 part of sodium citrate, 0.5 part of polyvinyl alcohol and 10 parts of distilled water for 2 hours, transferring the mixture into a reaction kettle to react for 2 hours at the temperature of 200 ℃, and performing centrifugal separation to obtain CuFeO2A nanocube aqueous dispersion;
2) Taking 15 parts of CuFeO obtained in the step 1) by weight2Adding 4 parts of silver nitrate into the nano cubic water dispersion, stirring and reacting for 1h at the temperature of 40 ℃, and performing centrifugal separation to obtain silver-plated CuFeO2a nanocube;
3) Taking 12 parts by weight of sodium bentonite, adding the mixture into the step 2) The obtained silver-plated CuFeO24 parts of nanocubes, and stirring for 3 minutes to obtain an antibacterial agent;
4) 100 parts of slag in parts by weight are taken, 0.15 part of polycarboxylic acid water reducing agent is added, and water is added according to the water-solid ratio of 0.5 for wet grinding until the slag slurry D50 is 8 mu m; 100 parts of steel slag in parts by weight are taken, 0.15 part of polycarboxylic acid water reducing agent is added, water is added according to the water-solid ratio of 0.5, and wet grinding is carried out until the steel slag slurry D10 is 0.46mm and the D50 is 1.2 mm; mixing the slag slurry and the steel slag slurry to obtain a mixture;
Slag density of 2.9g/cm3The density of the steel slag is 3.3g/cm3；
5) Adding 20 parts of cement clinker, 200 parts of ceramsite and 0.8 part of triethanolamine into the mixture obtained in the step 4) and the antibacterial agent obtained in the step 3), adding water until the water-solid ratio is 0.5, and mixing and stirring for 4 minutes in a homogenizer at normal temperature to prepare slurry for the decorative hanging plate;
The density of the cement clinker is 3.1g/cm3The density of the ceramsite is 0.31g/cm3；
6) Pouring the decorative hanging plate slurry obtained in the step 5) into a template of the transfer printing film paved with characters, and standing for 24 hours; tearing off the transfer printing film, exposing the cement decorative hanging plate, and washing the surface of the exposed cement decorative hanging plate with high pressure water until the characters and patterns are displayed to obtain the cement decorative hanging plate with characters and patterns.
The decorative hanging plate prepared by the embodiment has clear and complete surface fonts, uniform color and luster and no fracture of corners; according to JISZ 2801: 2000 detection and evaluation of antibacterial property of antibacterial product, 99% of antibacterial property; the compressive strength is 22.1 Pa; density 0.68g/cm3(ii) a The thermal conductivity was 0.17W/(mK).
Example 2, the same as example 1, except that,
5) adding 20 parts of cement clinker, 200 parts of wet-milled steel slag and 0.8 part of triethanolamine into the mixture obtained in the step 4) and the antibacterial agent obtained in the step 3), adding water until the water-solid ratio is 0.5, and mixing and stirring for 4 minutes in a homogenizer at normal temperature to prepare slurry for the decorative hanging plate;
The density of the cement clinker is 3.1g/cm3(ii) a The density of the steel slag is 3.3g/cm3；
6) Pouring the decorative hanging plate slurry obtained in the step 5) into a template of a transfer printing film paved with landscape paintings, and standing for 24 hours; tearing off the transfer printing film, exposing the cement decorative hanging plate, and washing the surface of the exposed cement decorative hanging plate with high pressure water until the landscape painting pattern is shown to obtain the landscape painting cement decorative hanging plate.
the landscape painting on the surface of the decorative hanging board prepared by the embodiment is fine, rich and realistic; according to JISZ 2801: 2000 detection and evaluation of antibacterial property of antibacterial product, 99% of antibacterial property; compressive strength of 30.7MPa and density of 1.84g/cm3(ii) a The thermal conductivity was 1.78W/(mK).
As can be seen from examples 1 and 2, the steel slag is used to replace ceramsite, and the density of the cement decorative hanging plate is from 0.68g/cm3it became 1.84g/cm3The weight of the cement decorative hanging plate needs to be increased a lot, so the selection of the porcelain granules is more reasonable.
Examples 3,
1) mixing and stirring 2 parts by weight of ferrous chloride, 2 parts by weight of ferric chloride, 4 parts by weight of copper chloride, 1 part by weight of sodium citrate, 1 part by weight of polyvinyl alcohol and 20 parts by weight of distilled water for 2 hours, transferring the mixture into a reaction kettle, reacting for 4 hours at 200 ℃, and performing centrifugal separation to obtain CuFeO2A nanocube aqueous dispersion;
2) Taking 20 parts of CuFeO obtained in the step 1) by weight2Adding 6 parts of silver nitrate into the nanocube aqueous dispersion, stirring and reacting for 2 hours at the temperature of 50 ℃, and centrifugally separating to obtain silver-plated CuFeO2A nanocube;
3) Adding 20 parts by weight of sodium bentonite into the silver-plated CuFeO obtained in the step 2)26 parts of nanocubes, and stirring for 5 minutes to obtain an antibacterial agent;
4) 100 parts of slag by weight are taken, 0.7 part of polycarboxylic acid water reducing agent is added, and water is added according to the water-solid ratio of 0.5 for wet milling until the slag slurry D50 is 2 mu m; taking 50 parts by weight of steel slag, adding 0.7 part of polycarboxylic acid water reducer, adding water according to the water-solid ratio of 0.5, and wet-grinding until the steel slag slurry D10 is 0.4mm and the D50 is 0.8 mm; mixing the slag slurry and the steel slag slurry to obtain a mixture;
Slag density of 3.1g/m3The density of the steel slag is 3.5g/m3；
5) Adding 50 parts of cement clinker, 150 parts of ceramsite and 0.3 part of triethanolamine into the mixture obtained in the step 4) and the antibacterial agent obtained in the step 3), adding water until the water-solid ratio is 0.5, and mixing and stirring for 4 minutes in a homogenizer at normal temperature to prepare slurry for the decorative hanging plate;
The density of the cement clinker is 3.3g/m3The density of the ceramsite is 0.36g/cm3；
6) Pouring the decorative hanging plate slurry obtained in the step 5) into a template paved with a landscape painting pattern transfer film, and standing for 20 hours; tearing off the transfer printing film, exposing the cement decorative hanging plate, and washing the surface of the exposed cement decorative hanging plate with high pressure water until the landscape painting pattern is shown to obtain the landscape painting cement decorative hanging plate.
The portrait on the surface of the decorative hanging plate prepared by the embodiment is beautiful, the line change is rich, the brightness is natural, and the integral sense is strong; according to JISZ 2801: 2000 detection and evaluation of antibacterial property of antibacterial product, 99% of antibacterial property; the compressive strength is 26.5 MPa; density 0.81g/cm3(ii) a The thermal conductivity was 0.13W/(mK).
Examples 4,
1) Taking 1.5 parts by weight of ferrous chloride, 1.5 parts by weight of ferric chloride, 3 parts by weight of copper chloride, 0.75 part by weight of sodium citrate, 0.6 part by weight of polyvinyl alcohol and 15 parts by weight of distilled water, mixing and stirring for 2 hours, transferring into a reaction kettle, reacting for 3 hours at 200 ℃, and centrifugally separating to obtain CuFeO2A nanocube aqueous dispersion;
2) Taking 18 parts of CuFeO obtained in the step 1) by weight2Adding 5 parts of silver nitrate into the nanocube aqueous dispersion, stirring and reacting for 1.5h at the temperature of 45 ℃, and performing centrifugal separation to obtain silver-plated CuFeO2a nanocube;
3) Adding 16 parts by weight of sodium bentonite into the silver-plated CuFeO obtained in the step 2)25 parts of nanocubes, and stirring for 4 minutes to obtain the antibacterial agent;
4) 100 parts of slag by weight are taken, 0.5 part of polycarboxylic acid water reducing agent is added, and water is added according to the water-solid ratio of 0.5 for wet milling until the slag slurry D50 is 2 mu m; taking 75 parts by weight of steel slag, adding 0.5 part of polycarboxylic acid water reducer, adding water according to the water-solid ratio of 0.5, wet-grinding the steel slag slurry D10 to be 0.42mm, and D50 to be 1.0 mm; mixing the slag slurry and the steel slag slurry to obtain a mixture;
Density of slag3.0g/cm3the density of the steel slag is 3.4g/cm3；
5) Adding 35 parts of cement clinker, 200 parts of ceramsite and 0.6 part of triethanolamine into the mixture obtained in the step 4) and the antibacterial agent obtained in the step 3), adding water until the water-solid ratio is 0.5, and mixing and stirring for 4 minutes in a homogenizer at normal temperature to prepare slurry for the decorative hanging plate;
the density of the cement clinker is 3.2g/cm3The density of the ceramsite is 0.33g/cm3；
6) pouring the decorative hanging plate slurry obtained in the step 5) into a template paved with a landscape painting pattern transfer film, and standing for 22 hours; tearing off the transfer printing film, exposing the cement decorative hanging plate, and washing the surface of the exposed cement decorative hanging plate with high pressure water until the landscape painting pattern is shown to obtain the landscape painting cement decorative hanging plate.
the landscape painting on the surface of the decorative hanging board prepared by the embodiment is fine, rich and realistic; according to JISZ 2801: 2000 detection and evaluation of antibacterial property of antibacterial product, 99% of antibacterial property; the compressive strength is 24.2 MPa; density 0.70g/cm3(ii) a The thermal conductivity was 0.15W/(mK).
Claims (7)
1. The preparation method of the cement decorative hanging plate is characterized by comprising the following steps: the method comprises the following specific steps:
1) taking 1-2 parts of ferrous chloride, 1-2 parts of ferric chloride, 2-4 parts of copper chloride, 0.5-1 part of sodium citrate, 0.5-1 part of polyvinyl alcohol and 10-20 parts of distilled water by weight, mixing and stirring for 2 hours, transferring into a reaction kettle for reaction for 2-4 hours at 200 ℃, and obtaining CuFeO by centrifugal separation2a nanocube aqueous dispersion;
2) Taking 15-20 parts of CuFeO obtained in the step 1) by weight2adding 4-6 parts of silver nitrate into the nano cubic water dispersion, stirring and reacting for 1-2h at 40-50 ℃, and centrifugally separating to obtain silver-plated CuFeO2A nanocube;
3) Adding 12-20 parts by weight of sodium bentonite into the silver-plated CuFeO obtained in the step 2)24-6 parts of nanocubes, and stirring for 3-5 minutes to obtain an antibacterial agent;
4) 100 parts of slag and 0.15-0.7 part of polycarboxylic acid water reducing agent are taken, and water is added according to the water-solid ratio of 0.5 for wet milling until the slag slurry D50 is 2-8 mu m; taking 50-100 parts of steel slag and 0.15-0.7 part of polycarboxylic acid water reducing agent by weight, adding water according to the water-solid ratio of 0.5, and wet-grinding until the steel slag slurry D10 is less than 0.5mm and the D50 is 0.8-1.2 mm; mixing the slag slurry and the steel slag slurry to obtain a mixture;
5) Adding 20-50 parts of cement clinker, 200 parts of ceramsite 150 and 0.3-0.8 part of triethanolamine into the mixture obtained in the step 4) and the antibacterial agent obtained in the step 3), adding water until the water-solid ratio is 0.5, and mixing and stirring for 4 minutes in a homogenizer at normal temperature to prepare slurry for the decorative hanging plate;
6) Pouring the decorative hanging plate slurry obtained in the step 5) into a template paved with a transfer printing film with a required pattern, and standing for 20-24 h; tearing off the transfer printing film, exposing the cement decorative hanging plate, and washing the surface of the exposed cement decorative hanging plate with high-pressure water until the pattern is shown to obtain the cement decorative hanging plate.
2. The method for preparing a cement decorative hanging plate according to claim 1, wherein the method comprises the following steps: silver-plated CuFeO obtained in step 2)2The oil absorption value of the nanocube is less than or equal to 40gDOP/100g and the nanocube is uniformly dispersed.
3. The method for preparing a cement decorative hanging plate according to claim 1, wherein the method comprises the following steps: the effective solid content of the KH-5 type polycarboxylic acid water reducer used in the step 4) is 40%.
4. the method for preparing a cement decorative hanging plate according to claim 1, wherein the method comprises the following steps: the slag slurry used in the step 4) is obtained by wet grinding slag of ferrous metallurgy industry, wherein the alkalinity coefficient of the slag is more than 1, the mass coefficient is more than or equal to 1.2, and the density is 2.9-3.1g/cm3And the average particle size after wet grinding is 2-8 μm.
5. The method for preparing a cement decorative hanging plate according to claim 1, wherein the method comprises the following steps: the steel slag material used in the step 4) is obtained by directly wet-grinding industrial waste slag in the steel-making industry, the alkalinity of the steel slag is 3.0-4.5, and the density is 3.3-3.5g/cm3the steel slag material D10 is less than 0.5mm after wet grinding, and D50 is 0.8-1.2 mm.
6. The method for preparing a cement decorative hanging plate according to claim 1, wherein the cement clinker used in the step 3) is silicate cement clinker with a specific surface area of 350m or more2kg, density of 3.1-3.3g/cm3(ii) a The density of the ceramsite is 0.31-0.36g/cm3the fineness modulus is 2.6-3.3.
7. the method for preparing a cement decorative hanging plate according to claim 1, wherein the method comprises the following steps: and 6) the specific pattern is a character, a landscape painting or a portrait of a person.
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| CN113233855A (en) * | 2021-05-24 | 2021-08-10 | 深圳市聚和星环境有限公司 | Method for processing fireproof plate by using industrial solid waste |
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| CN104211433A (en) * | 2014-08-25 | 2014-12-17 | 安徽博大纤维素科技有限公司 | Antibacterial and lightweight high-strength steel fiber partition board |
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