CN116354699B - Wear-resistant negative ion ceramic tile and preparation method thereof - Google Patents

Wear-resistant negative ion ceramic tile and preparation method thereof Download PDF

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CN116354699B
CN116354699B CN202310472778.1A CN202310472778A CN116354699B CN 116354699 B CN116354699 B CN 116354699B CN 202310472778 A CN202310472778 A CN 202310472778A CN 116354699 B CN116354699 B CN 116354699B
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mixture
parts
negative ion
anion
functional material
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CN116354699A (en
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陈艳林
杨宇航
张名旗
卢广坚
付琼
黄康
魏枫
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Hubei University of Technology
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
    • C04B33/13Compounding ingredients
    • C04B33/132Waste materials; Refuse; Residues
    • C04B33/1321Waste slurries, e.g. harbour sludge, industrial muds
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
    • C04B33/13Compounding ingredients
    • C04B33/132Waste materials; Refuse; Residues
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
    • C04B33/13Compounding ingredients
    • C04B33/132Waste materials; Refuse; Residues
    • C04B33/1324Recycled material, e.g. tile dust, stone waste, spent refractory material
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
    • C04B33/13Compounding ingredients
    • C04B33/132Waste materials; Refuse; Residues
    • C04B33/1328Waste materials; Refuse; Residues without additional clay
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/24Manufacture of porcelain or white ware
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/52Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81Coating or impregnation
    • C04B41/89Coating or impregnation for obtaining at least two superposed coatings having different compositions
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/60Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes

Abstract

The invention relates to a wear-resistant anion ceramic tile and a preparation method thereof. The wear-resisting anion ceramic tile from the top down includes: the negative ion functional material layer, the binder layer and the ceramic matrix. The preparation method comprises the following steps: grinding and mixing sandstone slag and marble Dan Feidan, preparing a ceramic matrix by high-temperature sintering, firing a mixture A and a mixture B of limestone waste slag and quartz powder, preparing a binder, preparing an aqueous slurry of a negative ion functional material, and the like. Finally, coating an adhesive and an anion functional material on the ceramic matrix, and completing interlayer bonding through carbonization and maintenance. The wear-resistant anion ceramic tile provided by the invention has excellent wear resistance and anion release performance.

Description

Wear-resistant negative ion ceramic tile and preparation method thereof
Technical Field
The invention belongs to the technical field of building materials, and particularly relates to a wear-resistant negative ion ceramic tile and a preparation method thereof.
Background
The anion ceramic tile is a novel environment-friendly building material, can release anions, has the functions of purifying air, sterilizing, disinfecting, reducing noise and shock absorption and the like, and is widely applied to the building fields of public places, houses, hospitals, schools and the like.
In modern cities, the content of negative ions in the air is low due to the influence of factors such as industrial pollution, traffic pollution, electromagnetic radiation and the like. It is counted that the negative ion content in cities is typically below 1000 per cm, whereas healthy negative ion content should be above 5000 per cm. Therefore, there is a need for improving the indoor environment by increasing the indoor negative ion content using a negative ion generator, plants, etc.
The negative ion ceramic tile has the advantages of improving indoor air quality, preventing disease transmission, saving energy sources, beautifying indoor environment and the like. The negative ion ceramic tile can generate negative ions, can adsorb harmful substances in the air, such as formaldehyde, benzene and the like, and can purify the indoor air; the negative ions on the surface of the negative ion ceramic tile can kill bacteria, prevent mold growth and keep indoor environment clean and sanitary; the anion ceramic tile has good sound insulation and heat insulation properties, can reduce indoor noise and reduce energy consumption; the anion ceramic tile has the characteristics of high strength, wear resistance, corrosion resistance and the like, and simultaneously has attractive appearance and easy cleaning and maintenance.
The publication No. CN115028198A discloses a method for producing healthy ceramic tiles capable of releasing anions, which comprises the steps of introducing nano composite anion functional powder capable of releasing anions into a ceramic matrix, and sintering the ceramic tiles at 1080-1200 ℃ in a roller kiln, wherein the finally sintered anion ceramic tiles have an anion releasing function. The formula of the nano composite negative ion functional powder is as follows: lithium tourmaline, magnesium tourmaline, nano titanium dioxide and rare earth composite salt.
The publication No. CN108530030A discloses a preparation method of an anion glazed tile, which comprises the steps of preparing an anion glazed tile, coating the surface of a tile blank with the anion glazed tile, and finally firing the tile in a kiln. The raw materials of the negative ion glazed tile comprise: kaolin, quartz stone, fly ash, potassium feldspar, talcum powder, nano silica powder, nano germanium oxide powder, pearl powder and zeolite powder. The method is based on the following steps: GB/T28628-2012 test method for ion measurement of Material induced air, ion measurement value of sample air is 8.56×10 6 ions/(s·m 2 ) Whereas the blank air anion measurement was 2.48×10 6 ions/ ions/(s·m 2 ) The negative ion glazed tile produced by the method has obvious negative ion release effect.
The publication No. CN109437569A discloses a preparation method of an anion ceramic tile, wherein the anion ceramic tile comprises a green body layer, a surface glaze layer and a protective glaze layer from bottom to top, and the ceramic tile has an anion release function by doping an anion material into the protective glaze layer, wherein the protective glaze layer mainly comprises the following raw materials of potassium feldspar, sodium feldspar, calcined talcum powder, calcined zinc oxide, barium carbonate, quartz powder, corundum powder, kaolin, calcined kaolin, low-temperature frit, rare earth anion material and tourmaline. The glazed ceramic tile blank is dried and then put into a roller kiln to be sintered, the sintering system is that the sintering temperature is 1165-1225 ℃, and the heat preservation time is 35-95 min.
The publication No. CN109437569A discloses a preparation method of an anion ceramic tile, wherein the anion ceramic tile comprises a green body layer and a glaze layer, and the raw materials of the glaze layer are anion powder, attapulgite, porous diatomite, microcrystalline glass, titanium dioxide, zinc oxide, modified phenolic resin and titanate coupling agent; the negative ion powder is prepared from tourmaline powder, nano cuprous oxide, stannous chloride and nano zinc oxide; the surface negative ion concentration of the ceramic tile after being put into a roller kiln for firing is 1370 pieces/cm 3 The effect of releasing negative ions is remarkable.
The invention provides a wear-resistant anion ceramic tile, which realizes good adhesion performance, strong wear-resistant capability, lasting and efficient anion release and antibacterial functions through the design of a ceramic matrix with a surface microporous structure, an adhesive layer and an anion functional material layer. The ceramic tile is prepared from various waste materials, and has the advantages of environmental protection and sustainability. The invention is different from the wear-resistant anion ceramic tile prepared by the patent, the anion ceramic tile firmly adheres the anion functional material layer on the substrate in a carbonization and hydration curing mode, and the problem that the anion functional material fails in the sintering process is avoided because the anion functional material layer is not sintered at a high temperature, meanwhile, the ceramic substrate with the surface microporous structure has good sound absorption and insulation performance, the adhesive layer can effectively prevent layering phenomenon among ceramic tile layers, and the overall strength and stability of the ceramic tile are improved. The preparation method is simple, the cost is low, the sources of raw materials are wide, and the preparation method has good application prospect. The wear-resistant anion ceramic tile can be used in the fields of indoor and outdoor decoration, ground pavement, wall decoration and the like, and can provide a healthier, environment-friendly and comfortable living environment.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention provides the wear-resistant negative ion ceramic tile. The ceramic matrix, the adhesive layer and the negative ion functional material layer are prepared, the adhesion of the negative ion functional material layer is tight through the micropore structure on the surface of the ceramic matrix after polishing and the carbonization maintenance of the adhesive, the durability of the negative ion ceramic tile is enhanced, and the release capability of the negative ions is obviously enhanced through the synergistic effect generated by the combination of different negative ion materials.
The invention adopts the following technical scheme for solving the problems in the prior art:
1) The wear-resistant anion ceramic tile consists of a ceramic matrix, an adhesive layer and an anion functional material layer;
2) Grinding sandstone slag and marble Dan Feidan into powder, sieving with a 100-target standard sieve, and adding 1-3% of industrial waste alkali by mass fraction;
ball milling the mixture for 30min, sintering at a high temperature of 1100-1200 ℃ for 30-60 min to prepare a ceramic matrix, and opening pores on the surface of the ceramic matrix by using a polishing machine to enable the surface porosity to reach 60% -70%;
3) According to the weight portions, 38 to 79 portions of limestone waste residue and 20 to 38 portions of quartz powder are uniformly mixed and then fired to 1200 to 1300 ℃ for heat preservation for 1.5 to 2.5 hours, and the mixture A is obtained after furnace cooling;
according to the weight portions, 38 to 79 portions of limestone waste residue, 20 to 38 portions of quartz powder and 1 to 2 portions of sintering aid are uniformly mixed and then fired to 1200 to 1300 ℃ for heat preservation for 1.5 to 2.5 hours, and the mixture B is obtained after furnace cooling;
15 to 25 parts of mixture B and mixture A are mixed according to parts by weightMixing 65-75 parts uniformly to prepare a binder;
4) Mixing 40-60 parts of nano titanium dioxide, 10-20 parts of bismuth vanadate and 10-30 parts of bismuth oxide according to parts by weight, adding 20-40 parts of ethanol and 0.5-1.5 parts of polyvinyl alcohol, and preparing an anion functional material aqueous slurry by ultrasonic treatment for 20-40 min;
5) Sequentially spraying the aqueous slurry of the binder and the negative ion functional material onto the ceramic matrix in an electrostatic spraying manner;
6) And (3) finishing the combination of the matrix layer and the adhesive layer, and the adhesive layer and the negative ion functional material layer through carbonization and hydration maintenance.
Preferably, the polishing machine has a speed of 500-1000 rpm and a polishing pressure of 2-10 kg.
Preferably, the sintering aid is borax mine waste residue. Wherein the borate is a main component, accounting for 60 to 70 parts of the total weight of borax mine waste residue, and the borate is silicate and oxide accounting for 20 to 30 parts.
Preferably, the purity of the nano titanium dioxide, bismuth vanadate and bismuth oxide serving as preparation raw materials in the negative ion functional material layer is required to be more than 99%.
Preferably, the ball milling in the negative ion functional material layer is carried out for 1-2 hours, and the mixture is sieved by a 300-mesh sieve after ball milling, wherein the fineness of the mixture particles is less than or equal to 150 mu m.
Preferably, the technological parameters of the electrostatic spraying are as follows: the electrostatic voltage is 30-80 KV, the spraying pressure is 0.05-0.1 MPa, the nozzle diameter is 0.5-1 mm, and the spraying distance is 10-20 cm.
Preferably, the thickness of the adhesive layer formed after spraying is 100-200 mu m; the thickness of the negative ion functional material layer is 50-200 mu m.
Preferably, the carbonization and solidification reaction is to introduce CO into a carbonization reactor at a rate of 0.5-2L/min under normal pressure 2 The carbonization time is 1-3 h.
The invention has the beneficial effects and advantages that:
1. the preparation method comprises the following steps of: the raw materials used in this patent, such as sandstone slag, marble waste, industrial waste alkali, limestone waste residue, etc., are all derived from waste or byproducts, which is beneficial to recycling of resources and reduction of environmental pollution.
2. Negative ion functional material layer: the negative ion functional material layer is prepared from the raw materials such as nano titanium dioxide, bismuth vanadate, bismuth oxide and the like, so that a healthier and comfortable living environment can be provided for people, and the added value of the ceramic tile is improved. And this patent has avoided the negative ion functional material to reduce by a wide margin in the sintering process performance. Compared with the traditional anion ceramic, the anion functional material has stronger anion releasing capability and better durability.
3. Ceramic matrix: the ceramic matrix is formed by high-temperature sintering, has good light weight and heat preservation performance, and can reduce the load of a building and save energy.
4. The carbonization activity of dicalcium silicate is utilized, and normal pressure carbonization maintenance is adopted to bond ceramic brick layers, so that the bonding among the matrix layer, the binder layer and the anion functional material layer is firmer, the high-temperature sintering process is avoided, and a large amount of cost is saved.
Description of the embodiments
The embodiment of the invention further describes the technical scheme. These embodiments are only a part of the present invention, and all other embodiments are within the scope of the present invention as would be understood by one skilled in the relevant art without making any inventive effort.
Example 1
Step 1: preparing ceramic matrix with surface microporous structure, binder and anion functional material.
1): weighing 5kg of sandstone slag powder, 0.5kg of marble powder Dan Fei and 0.05kg of industrial waste alkali, grinding and mixing, and then placing into a ball mill for ball milling for 30min; pouring the mixture after ball milling into a die, pressing into cylindrical sheets with phi=3 cm under the pressure of 8 MPa in a tablet press, putting into an alumina crucible, firing to 1150 ℃ in a tube furnace, preserving heat for 0.5 h, and cooling along with the furnace to obtain a ceramic matrix; fixing the ceramic substrate on a polishing machine, ensuring the stability of the ceramic substrate, adjusting the speed and the pressure of the polishing machine to be 600 rpm and the pressure to be 8 kg, starting polishing, polishing the ceramic surface by using a grinding wheel, and taking the attention that the ceramic substrate cannot be excessively polished; and cleaning the surface of the ceramic matrix by using a cleaning agent after polishing, removing dust and dirt generated by grinding, observing whether the surface of the ceramic matrix forms a microporous structure, and if not, repeating the steps until the expected effect is achieved.
2): weighing limestone waste residue and quartz powder according to a molar ratio of 2:1, placing into a ball mill for ball milling for 3h, drying, adding 10 percent of wt percent of water, uniformly mixing, pouring into a die, and pressing into a tablet press under the pressure of 8 MPaA cylindrical piece with phi=3 cm is put into an alumina crucible, burned to 1250 ℃ in a tube furnace, and kept at the temperature of 2h, and cooled along with the furnace to obtain a mixture A; weighing limestone waste residue and quartz powder according to a molar ratio of 2:1, adding a sintering aid with a mass fraction of 1wt%, putting the mixture into a ball mill for ball milling of 3h, adding 10 wt% of water after drying, uniformly mixing, pouring the mixture into a die, pressing the mixture into cylindrical tablets with phi=3 cm under a pressure of 8 MPa in a tablet press, putting the cylindrical tablets into an alumina crucible, firing the cylindrical tablets in a tube furnace to 1250 ℃, preserving heat of 2h, and cooling the cylindrical tablets in the furnace to obtain the limestone powderMixture BThe method comprises the steps of carrying out a first treatment on the surface of the The mass fraction ratio is 19:80, and the mixture B and the mixture A are uniformly mixed.
3): uniformly mixing 40 parts by weight of titanium dioxide, 15 parts by weight of bismuth vanadate and 15 parts by weight of bismuth oxide powder, adding the mixed powder into ethanol, and uniformly stirring; adding polyvinyl alcohol into the mixture while stirring, and continuing stirring until the polyvinyl alcohol is completely dissolved; putting the mixture into an oven for drying treatment; and adding the dried mixture into deionized water, and uniformly stirring to prepare the negative ion functional material aqueous slurry.
Step 2: sequentially spraying the aqueous slurry of the binder and the negative ion functional material onto the ceramic matrix in an electrostatic spraying manner; the technological parameters of electrostatic spraying are as follows: the electrostatic voltage is 60KV, the spraying pressure is 0.05MPa, the nozzle diameter is 0.6mm, and the spraying distance is 15cm.
Step 3: putting the glazed green bricks into a carbonization reactor, and setting carbonization and hydration maintenance procedures as follows:
s1, carbonization rate: CO is introduced at a rate of 0.5L/min under normal pressure 2
S2, carbonization time: 2h.
S3, spraying a layer of deionized water, and repeating the carbonization and maintenance process again.
Example 2
Step 1: preparing ceramic matrix with surface microporous structure, binder and anion functional material.
1): weighing 5kg of sandstone slag powder, 0.5kg of marble powder Dan Fei and 0.05kg of industrial waste alkali, grinding and mixing, and then placing into a ball mill for ball milling for 30min; pouring the mixture after ball milling into a die, pressing into cylindrical sheets with phi=3 cm under the pressure of 8 MPa in a tablet press, putting into an alumina crucible, firing to 1150 ℃ in a tube furnace, preserving heat for 0.5 h, and cooling along with the furnace to obtain a ceramic matrix; fixing the ceramic substrate on a polishing machine, ensuring the stability of the ceramic substrate, adjusting the speed and the pressure of the polishing machine to be 600 rpm and the pressure to be 8 kg, starting polishing, polishing the ceramic surface by using a grinding wheel, and taking the attention that the ceramic substrate cannot be excessively polished; and cleaning the surface of the ceramic matrix by using a cleaning agent after polishing, removing dust and dirt generated by grinding, observing whether the surface of the ceramic matrix forms a microporous structure, and if not, repeating the steps until the expected effect is achieved.
2): weighing limestone waste residue and quartz powder according to a molar ratio of 2:1, placing into a ball mill for ball milling to 3h, mixing with 10 wt% of water after drying, pouring into a die, pressing into cylindrical tablets with phi=3 cm under 8 MPa in a tablet press, placing into an alumina crucible, firing in a tube furnace to 1250 ℃, preserving heat to 2h, and cooling with the furnace to obtain the final productMixture AThe method comprises the steps of carrying out a first treatment on the surface of the Weighing limestone waste residue and quartz powder according to a molar ratio of 2:1, adding a sintering aid with a mass fraction of 1wt%, putting the mixture into a ball mill for ball milling of 3h, adding 10 wt% of water after drying, uniformly mixing, pouring the mixture into a die, pressing the mixture into cylindrical tablets with phi=3 cm under a pressure of 8 MPa in a tablet press, putting the cylindrical tablets into an alumina crucible, firing the cylindrical tablets in a tube furnace to 1250 ℃, preserving heat of 2h, and cooling the cylindrical tablets in the furnace to obtain the limestone powderMixture BThe method comprises the steps of carrying out a first treatment on the surface of the The mass fraction ratio is 19:80, 80Mixture BMixture AUniformly mixing, wherein the water-gel ratio is 8:1.
3): uniformly mixing 40 parts by weight of titanium dioxide, 15 parts by weight of bismuth vanadate and 15 parts by weight of bismuth oxide powder, adding the mixed powder into ethanol, and uniformly stirring; adding polyvinyl alcohol into the mixture while stirring, and continuing stirring until the polyvinyl alcohol is completely dissolved; putting the mixture into an oven for drying treatment; and adding the dried mixture into deionized water, and uniformly stirring to prepare the negative ion functional material aqueous slurry.
Step 2: sequentially spraying the aqueous slurry of the binder and the negative ion functional material onto the ceramic matrix in an electrostatic spraying manner; the technological parameters of electrostatic spraying are as follows: the electrostatic voltage is 60KV, the spraying pressure is 0.05MPa, the nozzle diameter is 0.6mm, and the spraying distance is 15cm.
Step 3: putting the glazed green bricks into a carbonization reactor, and setting a carbonization and hydration program as follows:
s1, carbonization rate: CO is introduced at a rate of 1L/min under normal pressure 2
S2, carbonization time: 2h.
S3, spraying a layer of deionized water, and repeating the carbonization and maintenance process again.
Example 3
Step 1: preparing ceramic matrix with surface microporous structure, binder and anion functional material.
1): weighing 5kg of sandstone slag powder, 0.5kg of marble powder Dan Fei and 0.05kg of industrial waste alkali, grinding and mixing, and then placing into a ball mill for ball milling for 30min; pouring the mixture after ball milling into a die, pressing into cylindrical sheets with phi=3 cm under the pressure of 8 MPa in a tablet press, putting into an alumina crucible, firing to 1150 ℃ in a tube furnace, preserving heat for 0.5 h, and cooling along with the furnace to obtain a ceramic matrix; fixing the ceramic substrate on a polishing machine, ensuring the stability of the ceramic substrate, adjusting the speed and the pressure of the polishing machine to be 600 rpm and the pressure to be 8 kg, starting polishing, polishing the ceramic surface by using a grinding wheel, and taking the attention that the ceramic substrate cannot be excessively polished; and cleaning the surface of the ceramic matrix by using a cleaning agent after polishing, removing dust and dirt generated by grinding, observing whether the surface of the ceramic matrix forms a microporous structure, and if not, repeating the steps until the expected effect is achieved.
2): weighing limestone waste residue and quartz powder according to a molar ratio of 2:1, placing into a ball mill for ball milling to 3h, mixing with 10 wt% of water after drying, pouring into a die, pressing into cylindrical tablets with phi=3 cm under 8 MPa in a tablet press, placing into an alumina crucible, firing in a tube furnace to 1250 ℃, preserving heat to 2h, and cooling with the furnace to obtain the final productMixture AThe method comprises the steps of carrying out a first treatment on the surface of the Weighing limestone waste residue and quartz powder according to a molar ratio of 2:1, adding 1wt% of sintering aid, ball-milling in a ball mill for 3h, and dryingMixing with 10 wt% water, pouring into a mold, pressing into cylindrical sheet with phi= cm under 8 MPa in a tablet press, placing into an alumina crucible, firing in a tube furnace to 1250 deg.C, maintaining the temperature at 2h, and coolingMixture BThe method comprises the steps of carrying out a first treatment on the surface of the The mass fraction ratio is 19:80, 80Mixture BMixture AUniformly mixing, wherein the water-gel ratio is 8:1.
3): uniformly mixing 40 parts by weight of titanium dioxide, 15 parts by weight of bismuth vanadate and 15 parts by weight of bismuth oxide powder, adding the mixed powder into ethanol, and uniformly stirring; adding polyvinyl alcohol into the mixture while stirring, and continuing stirring until the polyvinyl alcohol is completely dissolved; putting the mixture into an oven for drying treatment; and adding the dried mixture into deionized water, and uniformly stirring to prepare the negative ion functional material aqueous slurry.
Step 2: sequentially spraying the aqueous slurry of the binder and the negative ion functional material onto the ceramic matrix in an electrostatic spraying manner; the technological parameters of electrostatic spraying are as follows: the electrostatic voltage is 60KV, the spraying pressure is 0.1MPa, the nozzle diameter is 1mm, and the spraying distance is 15cm.
Step 3: putting the glazed green bricks into a carbonization reactor, and setting a carbonization and hydration program as follows:
s1, carbonization rate: CO is introduced at a rate of 0.5L/min under normal pressure 2
S2, carbonization time: 2h.
S3, spraying a layer of deionized water, and repeating the carbonization and maintenance process again.
Example 4
Step 1: preparing ceramic matrix with surface microporous structure, binder and anion functional material.
1): weighing 5kg of sandstone slag powder, 0.5kg of marble powder Dan Fei and 0.05kg of industrial waste alkali, grinding and mixing, and then placing into a ball mill for ball milling for 30min; pouring the mixture after ball milling into a die, pressing into cylindrical sheets with phi=3 cm under the pressure of 8 MPa in a tablet press, putting into an alumina crucible, firing to 1150 ℃ in a tube furnace, preserving heat for 0.5 h, and cooling along with the furnace to obtain a ceramic matrix; fixing the ceramic substrate on a polishing machine, ensuring the stability of the ceramic substrate, adjusting the speed and the pressure of the polishing machine to be 800 rpm and 5kg, starting polishing, polishing the ceramic surface by using a grinding wheel, and taking the attention that the ceramic substrate cannot be excessively polished; and cleaning the surface of the ceramic matrix by using a cleaning agent after polishing, removing dust and dirt generated by grinding, observing whether the surface of the ceramic matrix forms a microporous structure, and if not, repeating the steps until the expected effect is achieved.
2): weighing limestone waste residue and quartz powder according to a molar ratio of 2:1, placing into a ball mill for ball milling to 3h, mixing with 10 wt% of water after drying, pouring into a die, pressing into cylindrical tablets with phi=3 cm under 8 MPa in a tablet press, placing into an alumina crucible, firing in a tube furnace to 1250 ℃, preserving heat to 2h, and cooling with the furnace to obtain the final productMixture AThe method comprises the steps of carrying out a first treatment on the surface of the Weighing limestone waste residue and quartz powder according to a molar ratio of 2:1, adding a sintering aid with a mass fraction of 1wt%, putting the mixture into a ball mill for ball milling of 3h, adding 10 wt% of water after drying, uniformly mixing, pouring the mixture into a die, pressing the mixture into cylindrical tablets with phi=3 cm under a pressure of 8 MPa in a tablet press, putting the cylindrical tablets into an alumina crucible, firing the cylindrical tablets in a tube furnace to 1250 ℃, preserving heat of 2h, and cooling the cylindrical tablets in the furnace to obtain the limestone powderMixture BThe method comprises the steps of carrying out a first treatment on the surface of the The mass fraction ratio is 19:80, 80Mixture BMixture AUniformly mixing, wherein the water-gel ratio is 8:1.
3): uniformly mixing 30 parts by weight of titanium dioxide, 15 parts by weight of bismuth vanadate and 15 parts by weight of bismuth oxide powder, adding the mixed powder into ethanol, and uniformly stirring; adding polyvinyl alcohol into the mixture while stirring, and continuing stirring until the polyvinyl alcohol is completely dissolved; putting the mixture into an oven for drying treatment; and adding the dried mixture into deionized water, and uniformly stirring to prepare the negative ion functional material aqueous slurry.
Step 2: sequentially spraying the aqueous slurry of the binder and the negative ion functional material onto the ceramic matrix in an electrostatic spraying manner; the technological parameters of electrostatic spraying are as follows: the electrostatic voltage is 60KV, the spraying pressure is 0.05MPa, the nozzle diameter is 0.6mm, and the spraying distance is 15cm.
Step 3: putting the glazed green bricks into a carbonization reactor, and setting a carbonization and hydration program as follows:
s1, carbonization rate: CO is introduced at a rate of 0.5L/min under normal pressure 2
S2, carbonization time: 2h.
S3, spraying a layer of deionized water, and repeating the carbonization and maintenance process again.
Example 5
Step 1: preparing ceramic matrix with surface microporous structure, binder and anion functional material.
1): weighing 4kg of sandstone slag powder, 0.5kg of marble powder Dan Fei and 0.05kg of industrial waste alkali, grinding and mixing, and putting into a ball mill for ball milling for 30min; pouring the mixture after ball milling into a die, pressing into cylindrical sheets with phi=3 cm under the pressure of 8 MPa in a tablet press, putting into an alumina crucible, firing to 1150 ℃ in a tube furnace, preserving heat for 0.5 h, and cooling along with the furnace to obtain a ceramic matrix; fixing the ceramic substrate on a polishing machine, ensuring the stability of the ceramic substrate, adjusting the speed and the pressure of the polishing machine to be 600 rpm and the pressure to be 8 kg, starting polishing, polishing the ceramic surface by using a grinding wheel, and taking the attention that the ceramic substrate cannot be excessively polished; and cleaning the surface of the ceramic matrix by using a cleaning agent after polishing, removing dust and dirt generated by grinding, observing whether the surface of the ceramic matrix forms a microporous structure, and if not, repeating the steps until the expected effect is achieved.
2): weighing limestone waste residue and quartz powder according to a molar ratio of 2:1, placing into a ball mill for ball milling to 3h, mixing with 10 wt% of water after drying, pouring into a die, pressing into cylindrical tablets with phi=3 cm under 8 MPa in a tablet press, placing into an alumina crucible, firing in a tube furnace to 1250 ℃, preserving heat to 2h, and cooling with the furnace to obtain the final productMixture AThe method comprises the steps of carrying out a first treatment on the surface of the Weighing limestone waste residue and quartz powder according to a molar ratio of 2:1, adding a sintering aid with a mass fraction of 1wt%, putting the mixture into a ball mill for ball milling of 3h, adding 10 wt% of water after drying, uniformly mixing, pouring the mixture into a die, pressing the mixture into cylindrical tablets with phi=3 cm under a pressure of 8 MPa in a tablet press, putting the cylindrical tablets into an alumina crucible, firing the cylindrical tablets in a tube furnace to 1250 ℃, preserving heat of 2h, and cooling the cylindrical tablets in the furnace to obtain the limestone powderMixture BThe method comprises the steps of carrying out a first treatment on the surface of the Will be of the qualityThe weight fraction ratio was 19:80, 80Mixture BMixture AUniformly mixing, wherein the water-gel ratio is 8:1.
3): uniformly mixing 40 parts by weight of titanium dioxide, 15 parts by weight of bismuth vanadate and 15 parts by weight of bismuth oxide powder, adding the mixed powder into ethanol, and uniformly stirring; adding polyvinyl alcohol into the mixture while stirring, and continuing stirring until the polyvinyl alcohol is completely dissolved; putting the mixture into an oven for drying treatment; and adding the dried mixture into deionized water, and uniformly stirring to prepare the negative ion functional material aqueous slurry.
Step 2: sequentially spraying the aqueous slurry of the binder and the negative ion functional material onto the ceramic matrix in an electrostatic spraying manner; the technological parameters of electrostatic spraying are as follows: the electrostatic voltage is 60KV, the spraying pressure is 0.05MPa, the nozzle diameter is 0.6mm, and the spraying distance is 15cm.
Step 3: putting the glazed green bricks into a carbonization reactor, and setting a carbonization and hydration program as follows:
s1, carbonization rate: CO is introduced at a rate of 0.5L/min under normal pressure 2
S2, carbonization time: 2h.
S3, spraying a layer of deionized water, and repeating the carbonization and maintenance process again.
Performance test:
the following antibacterial properties, negative ion release amount, abrasion resistance and glaze adhesion properties were tested, and the main test methods were as follows:
(1) And (3) dropwise adding an aldehyde solution with the concentration of 5% into beakers respectively provided with the five baking-free antibacterial self-cleaning samples, respectively dropwise adding a Schiff reagent (fuchsin aldehyde reagent) into test tubes after 0h/12h, and detecting the formaldehyde removal effect of the product by utilizing the characteristic that the Schiff reagent (colorless) turns into purple when meeting aldehyde.
(2) Electrometer method: and measuring the negative ions released by the negative ion ceramic by using an electrometer. An electrometer was placed near the anion ceramic to measure the concentration of anions in the air.
(3) Abrasion resistance: the test was performed using the GB/T4100-2015 annex G dry pressed ceramic tile detection standard.
(4) Compressive strength: the compressive strength measurement method is a static compression test. The test measures the ability of a sample to withstand a maximum pressure by subjecting the sample to compressive stress by applying a pressure normal to the surface of the sample. The method comprises the following specific steps: preparing a sample: preparing a ceramic material into a cylindrical or square sample with standard size; device test equipment: placing the sample in a test apparatus so that it is perpendicular to the direction of pressure; applying pressure: pressure was gradually applied until the sample ruptured. In the whole process, the relation between the pressure and the deformation of the sample is required to be recorded; compressive strength was calculated: the compressive strength of the sample was calculated from the test data.
(5) Glazing adhesion test: the test was performed using the standard test method for adhesion measurement by the U.S. tape test (D3359-08).
The testing steps are as follows: at an area of 125mm 2 A 5 x 5 mm-sized grid was cut with a knife, the center of the tape was placed over the grid, and the grid center was smoothed into place with a finger. Then after a time of 90±30 s, the free end is grasped, the tape is torn off, and the tape is torn off rapidly (without shaking) at an angle as close to 180 ° as possible. Finally, the test area is inspected with a magnifying glass, and the material dropping proportion is determined by comparing the material attaching area before the test. The whole experiment was repeated three times.
By combining the above test methods, various performance indexes of the product are measured as follows,
example Performance index Schiff reagent color development results Anion concentration (ions/cm) Wear resistance Compressive strength (MPa) Adhesion property of glaze
Example 1 Change from purple to colorless 5324 Meets the national standard 3.95 5B
Example 2 Change from purple to colorless 5232 Meets the national standard 3.64 4B
Example 3 Change from purple to colorless 4954 Meets the national standard 3.73 4B
Example 4 Change from purple to colorless 4867 Meets the national standard 4.12 4B
Example 5 Change from purple to colorless 4983 Meets the national standard 4.05 3B

Claims (7)

1. The preparation method of the wear-resistant anion ceramic tile is characterized in that the wear-resistant anion ceramic tile comprises the following steps from top to bottom: an anion functional material layer, an adhesive layer and a ceramic matrix; the combination of the matrix layer and the adhesive layer and the negative ion functional material layer is completed through carbonization and hydration maintenance;
according to weight percentage, the raw materials of the ceramic matrix comprise 70-85% of sandstone slag, 5-15% of marble waste and 1-3% of industrial waste alkali; the sandstone slag mainly comes from rock scraps and slurry in the petroleum drilling process, and comprises the following components in percentage by weight: 45-80% of silicon dioxide, 10-20% of aluminum oxide, 2-12% of ferric oxide, 1-15% of calcium oxide, 1-15% of magnesium oxide, 0-1% of potassium oxide and 0-1% of sodium oxide;
the marble Dan Feidan is derived from residues in the production of marble slabs in quarry or processing factories, wherein the calcium carbonate content is 98-99%;
according to weight percentage, the raw materials of the binder layer comprise 40-80% of limestone waste residue, 20-30% of quartz, 1-2% of sintering auxiliary agent and the balance of water;
the preparation method of the adhesive comprises the following steps: according to the weight portions, 38 to 79 portions of limestone waste residue and 20 to 38 portions of quartz powder are uniformly mixed and then fired to 1200 to 1300 ℃ for heat preservation for 1.5 to 2.5 hours, and the mixture A is obtained after furnace cooling; according to the weight portions, 38 to 79 portions of limestone waste residue, 20 to 38 portions of quartz powder and 1 to 2 portions of sintering aid are uniformly mixed and then fired to 1200 to 1300 ℃ for heat preservation for 1.5 to 2.5 hours, and the mixture B is obtained after furnace cooling; uniformly mixing 15-25 parts of mixture B and 65-75 parts of mixture A according to parts by weight to prepare a binder;
the sintering aid is borax ore waste residue; wherein the borate is a main component, accounting for 60 to 70 parts of the total weight of borax ore waste residue, and the borate is silicate and oxide accounting for 20 to 30 parts;
according to weight percentage, the raw materials of the negative ion functional material layer comprise 40-60% of nano titanium dioxide, 10-20% of bismuth vanadate, 10-30% of bismuth oxide, 20-40% of ethanol, 0.5-1.5% of polyvinyl alcohol and the balance of deionized water;
the industrial waste alkali is waste containing high-concentration alkaline compounds generated in an industrial process, wherein the content of sodium carbonate is 50-60%, and the content of sodium chloride is 5-10%;
the limestone waste residue is derived from waste residue and byproducts generated in the processing process of limestone, and the composition and the content of the limestone waste residue are 50-70% of calcium oxide, 5-20% of silicon oxide, 1-5% of magnesium oxide, 1-3% of aluminum oxide and 0.5-2% of ferric oxide.
2. The method for preparing the wear-resistant anion ceramic tile according to claim 1, comprising the following preparation steps:
grinding sandstone slag and marble Dan Feidan into powder, sieving with a 100-target standard sieve, and adding 1-3% of industrial waste alkali by mass fraction;
step B, ball milling the mixture in the step A for 30min, sintering at a high temperature of 1100-1200 ℃ for 30-60 min to prepare a ceramic matrix, and opening pores on the surface of the ceramic matrix by using a polishing machine to enable the surface porosity to reach 60% -70%;
step C, according to the weight portions, 38 to 79 portions of limestone waste residue and 20 to 38 portions of quartz powder are uniformly mixed and then fired to 1200 to 1300 ℃ for heat preservation for 1.5 to 2.5 hours, and a mixture A is obtained after furnace cooling, wherein the mixture A is mainlyγ-Ca 2 SiO 4 And contains a small amount of Ca 3 SiO 5 、CaAl 2 O 4 And CaFeAlO 4 The method comprises the steps of carrying out a first treatment on the surface of the According to the weight portions, 38 to 79 portions of limestone waste residue, 20 to 38 portions of quartz powder and 1 to 2 portions of sintering aid are uniformly mixed and then fired to 1200 to 1300 ℃ for heat preservation for 1.5 to 2.5 hours, and the mixture is carried out along with a furnaceCooling to obtain a mixture B, wherein the mixture B is mainlyβ-Ca 2 SiO 4 And contains a small amount of Ca 3 SiO 5 、CaAl 2 O 4 And CaFeAlO 4
Step D, evenly mixing 15-25 parts of mixture A and 65-75 parts of mixture B according to parts by weight to prepare a binder;
step E, mixing 40-60 parts of nano titanium dioxide, 10-20 parts of bismuth vanadate and 10-30 parts of bismuth oxide according to parts by weight, adding 20-40 parts of ethanol and 0.5-1.5 parts of polyvinyl alcohol, and preparing an anion functional material aqueous slurry by ultrasonic treatment for 20-40 min;
and F, coating a binder and an anion functional material on the ceramic matrix, wherein the method specifically comprises the following steps of: spraying the binder onto the ceramic substrate using an electrostatic spraying process; after spraying the adhesive layer, lightly pressing the adhesive layer by using a leveling plate; completely drying the adhesive layer after compacting, and polishing the surface by using sand paper; after polishing, removing dust generated by polishing by using an air gun; uniformly spraying the aqueous slurry of the negative ion functional material on a ceramic matrix by using an electrostatic spraying method;
and G, finishing the combination of the matrix layer and the adhesive layer, and the adhesive layer and the negative ion functional material layer through carbonization and hydration maintenance.
3. The method for preparing the wear-resistant negative ion ceramic tile according to claim 2, wherein the technological parameters of the polishing machine in the step B are as follows: the speed is 500-1000 rpm, and the pressure is 2-10 kg.
4. The method for preparing the wear-resistant anion ceramic tile according to claim 2, wherein the purity of the raw materials of nano titanium dioxide, bismuth vanadate and bismuth oxide prepared in the step E is required to be more than 99%.
5. The method for preparing the wear-resistant negative ion ceramic tile according to claim 2, wherein the electrostatic spraying process parameters in the step F are as follows: the electrostatic voltage is 30-80 KV, the spraying pressure is 0.05-0.1 MPa, and the nozzle diameter is 0.5-1 mm.
6. The method for preparing the wear-resistant anion ceramic tile according to claim 2, wherein the thickness of the adhesive layer formed after spraying in the step F is 100-200 mu m; the thickness of the negative ion functional material layer is 50-200 mu m.
7. The method for preparing the wear-resistant anion ceramic tile according to claim 2, wherein the carbonization and hydration mode in the step G is normal pressure carbonization, and the carbonization time is 1-3 h.
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