CN114634376A - Antifouling and antiskid archaized brick and preparation method thereof - Google Patents
Antifouling and antiskid archaized brick and preparation method thereof Download PDFInfo
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- CN114634376A CN114634376A CN202210540882.5A CN202210540882A CN114634376A CN 114634376 A CN114634376 A CN 114634376A CN 202210540882 A CN202210540882 A CN 202210540882A CN 114634376 A CN114634376 A CN 114634376A
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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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/89—Coating or impregnation for obtaining at least two superposed coatings having different compositions
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/22—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions containing two or more distinct frits having different compositions
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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
- 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
- C04B41/52—Multiple 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
Abstract
The invention discloses an antifouling and antiskid archaized brick and a preparation method thereof, wherein the antifouling and antiskid archaized brick comprises a green body, a surface glaze layer and a protective glaze layer from bottom to top; the protective glaze layer is formed by firing dry particle protective glaze, the dry particle protective glaze comprises base glaze and dry particle slurry, and the weight ratio of the base glaze to the dry particle slurry is (0.8: 1.2) - (1.2: 0.8). The protective glaze layer is formed by mixing and firing a base glaze and dry particle slurry, and in the firing process, the base glaze is melted and serves as a base of the protective glaze layer; the anti-skid dry particles in the dry particle slurry have high melting temperature and are embedded into the base glaze in the firing process, so that fine and compact anti-skid particles can be formed on the surface of the base glaze and can be perfectly attached to contacts, and the fine anti-skid particles can effectively generate resistance to play an anti-skid role. The anti-skid dry particles can not form particularly convex particles on the surface of the base glaze, so that dirt is prevented from being hidden between the base glaze and the anti-skid dry particles, and the cleanability of the anti-fouling anti-skid archaized brick is effectively enhanced.
Description
Technical Field
The invention relates to the technical field of building ceramics, in particular to an antifouling and antiskid archaized brick and a preparation method thereof.
Background
The archaized brick is a glazed brick with an archaized effect, is bright in color and often has a classical flavor, is very popular with consumers, and is applied to various scenes such as kitchens, bathrooms, balconies and the like. But kitchen, bathroom and balcony are equipped with tap usually, go the mouth of a river etc. and the ground is in the wet and slippery state easily, and when the surface of archaize brick had the water film to exist, the coefficient of friction on smooth surface was little, leads to the pedestrian to tumble or fall injury easily, brings huge potential safety hazard from this.
At present, the anti-skidding ceramic tile usually adopts methods such as unsmooth design in surface or predetermine lines to increase the area of contact of sole and ceramic tile to improve frictional force between the two, but the abrasive dust of sole and the dust, the filth that adhere to the sole adsorb the gathering in the uneven department on archaize brick surface easily, cause the decorative effect of ceramic tile to reduce after forming the sanitary dead angle, the problem that the work degree of difficulty of keeping a public place clean increases.
Disclosure of Invention
The invention aims to provide an antifouling and antiskid archaized brick and a preparation method thereof, and aims to solve the contradiction between the antiskid performance and the antifouling performance in the conventional archaized brick.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides an antifouling antiskid antique brick which comprises a blank, a surface glaze layer and a protective glaze layer from bottom to top; the protective glaze layer is formed by firing dry particle protective glaze, the dry particle protective glaze comprises a base glaze and dry particle slurry, and the weight ratio of the base glaze to the dry particle slurry is (0.8: 1.2) - (1.2: 0.8);
the base glaze comprises the following components in parts by weight:
25-30 parts of potassium feldspar, 13-18 parts of albite, 7-10 parts of kaolin, 3-5 parts of zinc oxide, 3-5 parts of corundum, 5-8 parts of wollastonite, 7-10 parts of barium carbonate and 28-51 parts of protective glaze frit;
the dry particle pulp comprises the following components in parts by weight: 30-40 parts of anti-skid dry particles and 18-25 parts of a suspending agent; the fineness of the anti-skid dry particles is 250-350 meshes.
In the antifouling and antiskid antique brick, the protective glaze frit comprises 10-15 parts by weight of high-temperature frit, 10-20 parts by weight of medium-temperature frit and 8-16 parts by weight of low-temperature frit; the high-temperature frit has a melting start temperature of 1100-1200 ℃, the medium-temperature frit has a melting start temperature of 1000-1100 ℃, and the low-temperature frit has a melting start temperature of 900-1000 ℃.
In the antifouling and antiskid archaized brick, the antiskid dry particles comprise the following chemical components in percentage by weight: 62.0 to 62.5% SiO2、21.1～21.8%Al2O3、0.03～0.07%Fe2O3、0.1～0.25%TiO2、8.5～8.9%CaO、0.8～1.4%MgO、1.2～1.8%K2O and 3.2-3.8% of NaO, and the loss on ignition is 0.07-0.9%.
In the antifouling and antiskid archaized brick, the weight ratio of the base glaze to the dry particle slurry is 1: 1.
in the antifouling and antiskid archaized brick, the overglaze layer is formed by firing overglaze, and the overglaze comprises the following components in parts by weight: 28-33 parts of potassium feldspar, 18-32 parts of albite, 8-10 parts of kaolin, 8-15 parts of quartz, 10-13 parts of calcined soil, 5-10 parts of calcined talc and 10-20 parts of zirconium silicate.
The invention provides a preparation method of an antifouling and antiskid archaized brick, which is used for preparing the antifouling and antiskid archaized brick and comprises the following steps:
preparing base glaze and dry particle slurry;
preparing dry particle protective glaze: mixing the base glaze slurry and the dry particle slurry according to a ratio, uniformly stirring to obtain dry particle protective glaze, adding water to the dry particle protective glaze, and adjusting the density of the dry particle protective glaze to 1.3-1.45 g/cm3；
Preparing a cover glaze: weighing the components of the overglaze according to the proportion, mixing, adding water, ball-milling until the fineness is 0.3-0.5% of the sieved residue passing through a 325-mesh sieve, and obtaining the overglaze with the density of 1.88-1.90 g/cm3；
Glazing and firing: and uniformly applying the overglaze on the surface of the green body, applying the dry particle protective glaze on the surface of the overglaze, and firing in a kiln to obtain the antifouling and antiskid archaized brick.
In the preparation method of the antifouling and antiskid archaized brick, the preparation of the base glaze and the dry particle slurry comprises the following steps:
weighing the components of the base glaze according to the proportion, mixing, adding water, ball-milling until the fineness is 0.3-0.5% of the sieved residue passing through a 325-mesh sieve, and obtaining the base glaze with the density of 1.85-1.87 g/cm3；
Weighing the anti-skid dry granules and the suspending agent according to the proportion, mixing and uniformly stirring to obtain dry granule slurry.
In the preparation method of the antifouling and anti-skid archaized brick, in the step of glazing and firing, before the surface glaze is uniformly applied to the blank, water is firstly added to adjust the density of the surface glaze to 1.50-1.55 g/cm3。
In the preparation method of the antifouling antiskid antique brick, the firing temperature is 1220-1250 ℃.
One technical scheme in the invention can have the following beneficial effects:
according to the antifouling and anti-skidding archaized brick, the protective glaze layer is added on the original surface glaze layer, so that the surface glaze is protected, and the abrasion caused by direct contact of the antifouling and anti-skidding archaized brick with the foot surface or other objects in the using process is reduced.
In addition, the protective glaze layer is formed by mixing and firing a base glaze and dry particle slurry, and the base glaze is melted and used as a base of the protective glaze layer in the firing process; the anti-skid dry particles in the dry particle slurry have high melting temperature, do not appear a melting state in the firing process, but are embedded into the base glaze, so that the original physical appearance can be kept, and dense granular glaze surfaces are formed on the surface of the overglaze layer to form a protective glaze layer; the surface of the protective glaze layer can be perfectly attached to a contact object due to the fine and compact anti-slip particles, and the fine anti-slip particles can effectively generate resistance to play a role in skid resistance.
Moreover, the anti-skid dry particles can not form particularly convex particles on the surface of the base glaze, so that dirt is prevented from being hidden between the base glaze and the anti-skid dry particles, and the cleanability of the anti-fouling anti-skid archaized brick is effectively enhanced.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments. In order to facilitate an understanding of the present invention, a more complete description of the present invention is provided below. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
The examples, where specific techniques or conditions are not indicated, are to be construed according to the techniques or conditions described in the literature in the art or according to the product specifications. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products commercially available.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The invention discloses an antifouling and antiskid archaized brick which comprises a blank body, a surface glaze layer and a protective glaze layer from bottom to top; the protective glaze layer is formed by firing dry particle protective glaze, the dry particle protective glaze comprises a base glaze and dry particle slurry, and the weight ratio of the base glaze to the dry particle slurry is (0.8: 1.2) - (1.2: 0.8);
the base glaze comprises the following components in parts by weight:
25-30 parts of potassium feldspar, 13-18 parts of albite, 7-10 parts of kaolin, 3-5 parts of zinc oxide, 3-5 parts of corundum, 5-8 parts of wollastonite, 7-10 parts of barium carbonate and 28-51 parts of protective glaze frit;
the dry particle pulp comprises the following components in parts by weight: 30-40 parts of anti-skid dry particles and 18-25 parts of a suspending agent; the fineness of the anti-skid dry particles is 250-350 meshes.
According to the antifouling and anti-skidding archaized brick, the protective glaze layer is added on the original surface glaze layer, so that the surface glaze is protected, and the abrasion caused by direct contact of the antifouling and anti-skidding archaized brick with the foot surface or other objects in the using process is reduced. In addition, the protective glaze layer is formed by mixing and firing a base glaze and dry particle slurry, and the base glaze is melted and used as a base of the protective glaze layer in the firing process; the anti-skid dry particles in the dry particle slurry have high melting temperature, do not appear a melting state in the sintering process, but are embedded into the base glaze, so that the original physical appearance can be kept, and dense granular glaze surfaces are formed on the surface of the overglaze layer to form a protective glaze layer; the surface of the protective glaze layer can be perfectly attached to a contact object due to the fine and compact anti-slip particles, and the fine anti-slip particles can effectively generate resistance to play a role in skid resistance.
The base glaze mainly plays a role in enhancing the antifouling property of the glaze, and when the base glaze is molten, the antiskid dry particles can be embedded into the base glaze. Because the fineness of the anti-skid dry particles is 250-350 meshes, the particle size of the anti-skid dry particles is small, and particularly convex particles cannot be formed on the surface of the base glaze, so that dirt is prevented from being hidden between the base glaze and the anti-skid dry particles, and the cleanability of the anti-fouling anti-skid archaized brick is effectively enhanced. In addition, the surface of the base glaze and the surface glaze is compact after sintering, pores are few, and the cleaning tool can better contact with stains during cleaning and is easier to clean. If the fineness of the anti-skid dry particles is higher than 350 meshes, the anti-skid dry particles are too small, and the friction force is insufficient, so that the anti-skid performance is deteriorated; if the fineness of the anti-skid dry particles is lower than 250 meshes, the anti-skid dry particles are too large, so that the surface of the protective glaze layer is too rough, the difficulty of removing stains is increased, and even the anti-skid dry particles are rubbed with a cleaning tool in the cleaning process to cause the falling fragments of the cleaning tool, so that the cleaning tool is difficult to remove and the antifouling performance is poor.
In addition, the use amount of the anti-skid dry particles and the weight ratio of the base glaze to the dry particle slurry also influence the anti-skid performance and the antifouling performance of the antifouling and anti-skid archaized brick. If the using amount of the anti-skid dry particles is less than 30 parts, the anti-skid performance is reduced, and the anti-skid dry particles are reduced, so that the gaps among the anti-skid dry particles are too large, the problem of dirt hiding is easy to occur, and the antifouling performance is reduced; if the amount of the dry nonslip particles used is more than 40 parts, the surface of the protective glaze layer becomes too rough, and the antifouling property also deteriorates. In the weight ratio between the base glaze and the dry particle slurry, if the proportion of the protective glaze is too large, the total amount of the anti-skid dry particles is reduced, so that the anti-skid performance is reduced, and meanwhile, the problem that the anti-skid dry particles are easy to hide and dirty due to too large gaps is caused, so that the antifouling performance is reduced; if the ratio of the particles is too large, the protective glaze layer becomes too rough, and the antifouling property also becomes poor.
Specifically, the protective glaze frit comprises, by weight, 10-15 parts of a high-temperature frit, 10-20 parts of a medium-temperature frit and 8-16 parts of a low-temperature frit; the high-temperature frit has a melting start temperature of 1100-1200 ℃, the medium-temperature frit has a melting start temperature of 1000-1100 ℃, and the low-temperature frit has a melting start temperature of 900-1000 ℃.
The base glaze adopts the mixture of the high-temperature frit, the medium-temperature frit and the low-temperature frit, and the matching of the high-temperature frit, the medium-temperature frit and the low-temperature frit can widen the firing temperature range of the base glaze, reduce the loss of the base glaze in firing and reduce the defects of fine pores, open pores, miliaria and the like on the glaze surface after the base glaze is fired.
Specifically, the anti-skid dry particles comprise the following chemical components in percentage by weight: 62.0 to 62.5% SiO2、21.1～21.8%Al2O3、0.03～0.07%Fe2O3、0.1～0.25%TiO2、8.5～8.9%CaO、0.8～1.4%MgO、1.2～1.8%K2O and 3.2-3.8% of NaO, and the loss on ignition is 0.07-0.9%.
The antiskid dry particles mainly comprise mullite crystal phase and a small amount of anorthite crystal phase. The mullite crystal phase has higher Mohs hardness, the specific Mohs hardness of the mullite crystal phase is 6-7, the mullite crystal phase is not easy to wear in the use process, and the service life of the antifouling and antiskid archaized brick is effectively prolonged. Moreover, the melting point of the mullite is 1850 ℃, the melting point is higher, the problem of melt collapse cannot occur in the firing process, and the original particle form of the anti-skid dry particles can be ensured; and the generated anorthite crystal phase can be filled between mullite crystal phases, so that the structure of the antiskid dry particles is more compact, and the physical properties are more stable.
Preferably, the weight ratio of the base glaze to the dry particle slurry is 1: 1. in a preferred embodiment of the invention, the weight ratio of the base glaze to the dry particle slurry is 1: 1, under the proportion, the antifouling performance and the antiskid performance of the antifouling antiskid archaized brick are well balanced.
Specifically, the overglaze layer is formed by firing overglaze, and the overglaze comprises the following components in parts by weight: 28-33 parts of potassium feldspar, 18-32 parts of albite, 8-10 parts of kaolin, 8-15 parts of quartz, 10-13 parts of calcined soil, 5-10 parts of calcined talc and 10-20 parts of zirconium silicate.
The surface glaze adopting the proportion can play a role of whitening the surface of the glaze, is beneficial to color development of products, has compact surface and few pores after being sintered, and can ensure that the brick-shaped pollution resistance meets the requirement.
The invention also discloses a preparation method of the antifouling and antiskid archaized brick, which is used for preparing the antifouling and antiskid archaized brick and comprises the following steps:
preparing base glaze and dry particle slurry;
preparing dry particle protective glaze: mixing the base glaze slurry and the dry particle slurry according to a ratio, uniformly stirring to obtain dry particle protective glaze, adding water to the dry particle protective glaze, and adjusting the density of the dry particle protective glaze to 1.3-1.45 g/cm3；
Preparing a cover glaze: weighing the components of the overglaze according to the proportion, mixing, adding water, ball-milling and ball-milling to finenessThe surplus of the glaze passing through a 325-mesh sieve is 0.3-0.5%, and the density of the obtained overglaze is 1.88-1.90 g/cm3；
The base glaze mainly plays a role in enhancing the antifouling property of the glaze surface, and the anti-skid dry particles can be embedded into the base glaze when the base glaze is molten. The dry grain of antiskid can't directly be laid on the base coat, otherwise, can increase into kiln moisture and appear the brick-frying risk, and the dry grain of antiskid can blow away the dry grain of antiskid when drawing wet through glaze line fan and kiln, cause the dry grain of antiskid to lack, influence anti-skidding performance, need mix base coat thick liquids and dry grain thick liquids according to the proportion just can make the dry grain of antiskid imbed the base coat when the base coat melts, avoid the dry grain of antiskid to be blown away when drawing wet through glaze line fan and kiln. In addition, the anti-skid dry particles can not be directly applied on the overglaze, because the overglaze is higher in melting than the base glaze and can be melted only by high temperature, the anti-skid dry particles are difficult to sink into the overglaze, and the hand feeling of the glaze is rough. The anti-skid dry particles need to be matched with the base glaze to form dense and smooth granular glaze surfaces on the surface of the overglaze layer.
Glazing and firing: and uniformly applying the overglaze on the surface of the green body, applying the dry particle protective glaze on the surface of the overglaze, and firing in a kiln to obtain the antifouling and antiskid archaized brick.
In a specific embodiment of the invention, the glazing amount of the overglaze is 95 g/disc-115 g/disc (300 × 600 disc), the glazing amount of the dry particle protective glaze is 45 g/disc-50 g/disc (300 × 600 disc), the dry particle protective glaze forms a protective glaze layer on the overglaze layer by matching the overglaze and the dry particle protective glaze according to the glazing amounts, and the overglaze and the dry particle protective glaze are compact in surface and less in pores after sintering.
Specifically, the preparation of the base glaze and the dry particle size comprises the following steps:
weighing the components of the base glaze according to the proportion, mixing, adding water, ball-milling until the fineness is 0.3-0.5% of the sieved residue passing through a 325-mesh sieve, and obtaining the base glaze with the density of 1.85-1.87 g/cm3；
Weighing the anti-skid dry particles and the suspending agent according to the proportion, mixing and uniformly stirring to obtain dry particle slurry.
In one embodiment of the invention, the anti-skid dry particles and the suspending agent are stirred uniformly by a dispersing machine.
Specifically, in the glazing and firing step, before the overglaze is uniformly applied to the blank, water is added to adjust the density of the overglaze to 1.50-1.55 g/cm3。
The preparation of dry particle protective glaze and overglaze and the glazing process, the fineness, density and glazing amount parameters of each glaze have great influence on the production. The density of the overglaze or dry particle protective glaze is too low, which can cause the water content in the kiln to be too high, and the risk of brick explosion easily occurs, while the density of the overglaze or dry particle protective glaze is too high, the spray gun of the glaze spraying cabinet can be blocked, which is not beneficial to the production of the antifouling and antiskid antique brick. The glaze slurry with too small fineness is easy to generate thixotropy to destroy the performance of the glaze slurry, and is difficult to sinter when the fineness is too large, so that the glaze surface has a raw burning phenomenon and is rough. When the glazing amount is too small, the phenomena of uneven glazing, glaze shortage and the like can occur, and when the glazing amount is too large, the risk of brick frying can occur due to too high water content in a kiln.
Preferably, the firing temperature is 1220 to 1250 ℃. Firing at the temperature of 1220-1250 ℃, so that the base glaze in the overglaze and the dry particle protective glaze can be successfully fired, and meanwhile, the anti-skid dry particles are prevented from being in a molten state in the firing process and embedded into the base glaze, so that the original physical appearance can be maintained, and the dense granular glaze surface is formed on the surface of the glaze layer.
Example group A
A preparation method of an antifouling and antiskid antique brick comprises the following steps:
preparing base glaze and dry particle slurry: weighing the components of the base glaze according to the table 1, mixing, adding water, ball-milling until the fineness is 0.3-0.5% of the residue sieved by a 325-mesh sieve, and obtaining the base glaze with the density of 1.86g/cm3；
Weighing the anti-skid dry granules and the suspending agent according to the table 1, mixing and uniformly stirring to obtain dry granule slurry;
preparing dry particle protective glaze: mixing the base glaze slurry and the dry particle slurry according to the table 1, uniformly stirring to obtain dry particle protective glaze, adding water to the dry particle protective glaze, and adjusting the density of the dry particle protective glaze to 1.3-1.45 g/cm3；
Preparing a cover glaze: the overglaze was weighed in accordance with Table 2Mixing the components, adding water, ball milling until the fineness is 0.3-0.5 percent of the residue sieved by a 325-mesh sieve, and obtaining the overglaze with the density of 1.89g/cm3；
Glazing and firing: adding water to adjust the density of the overglaze to 1.55g/cm3Uniformly applying the overglaze on the surface of the blank, wherein the glazing amount of the overglaze is 95-115 g/disc (300 x 600 discs); and applying dry particle protective glaze on the surface of the overglaze, wherein the glazing amount of the dry particle protective glaze is 30-45 g/disc (300 x 600 discs), and firing in a kiln 1240 ℃ to obtain the antifouling and antiskid antique brick.
Wherein the high-temperature frit has an initial melting temperature of 1150 ℃, the intermediate-temperature frit has an initial melting temperature of 1000 ℃, and the low-temperature frit has an initial melting temperature of 900 ℃; the anti-skid dry particles comprise the following chemical components in percentage by weight: 62.11% SiO2、21.55%Al2O3、0.05%Fe2O3、0.22%TiO2、8.72%CaO、1.2%MgO、1.66%K2O and 3.67% NaO, loss on ignition 0.82%.
Comparative example 1
The preparation method and raw material composition of comparative example 1 were the same as example 1 except that the fineness of the non-skid dried particles was 150 mesh.
Comparative example 2
The preparation method and raw material composition of comparative example 2 were the same as example 1 except that the fineness of the non-skid dried particles was 400 mesh.
Comparative example 3
Comparative example 3 was prepared in the same manner as in example 1 except that the amount of the non-slip dry particles used in the raw material composition of comparative example 3 was 20 parts and the other components were the same as in example 1.
Comparative example 4
Comparative example 4 was prepared in the same manner as in example 1 except that 50 parts of the dry nonslip particles were used as the raw material components of comparative example 4, and the other components were the same as in example 1.
Comparative example 5
Comparative example 5 was prepared in the same manner as in example 1 except that only low-temperature frit having an onset temperature of 900 c was used as the protective glaze frit in the raw material components of comparative example 5, and the other components were the same as in example 1.
The antifouling and antiskid archaized bricks prepared in the example group A and the comparative examples 1-5 are subjected to antifouling capacity, wet static friction coefficient and antiskid capacity tests, and the test results are shown in Table 3. The antifouling capacity is tested according to the test method of the ceramic tile GB/T3810.14-2006, the wet static friction coefficient is determined according to the national standard GB/T4100-.
According to the embodiments 1 to 5, when the weight ratio of the base glaze to the dry particle size is 1: 1, the antifouling performance and the antiskid performance of the antifouling antiskid archaized brick are well balanced.
According to the example 1, the comparative example 1 and the comparative example 2, if the fineness of the dry anti-skid particles is higher than 350 meshes, the dry anti-skid particles are too small and the friction force is insufficient, so that the anti-skid performance is deteriorated; if the fineness of the anti-skid dry particles is lower than 250 meshes, the anti-skid dry particles are too large, so that the surface of the protective glaze layer is too rough, and the antifouling performance is also poor.
According to the example 1, the comparative example 3 and the comparative example 4, the anti-skid performance is reduced when the using amount of the anti-skid dry particles is less than 30 parts, and the anti-skid dry particles are reduced, so that the gaps among the anti-skid dry particles are too large, the problem of dirt hiding is easy to occur, and the antifouling performance is reduced; if the amount of the dry nonslip particles used is more than 40 parts, the surface of the protective glaze layer becomes too rough, and the antifouling property also deteriorates.
In the comparative example 5, the low-temperature frit with the initial melting temperature of 900 ℃ is used, so that the sintering temperature range is narrow, the sintering loss is large, the glaze surface has defects, and the antifouling capability is reduced.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive step, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined in the appended claims.
Claims (9)
1. An antifouling and antiskid antique brick is characterized by comprising a blank body, a surface glaze layer and a protective glaze layer from bottom to top; the protective glaze layer is formed by firing dry particle protective glaze, the dry particle protective glaze comprises a base glaze and dry particle slurry, and the weight ratio of the base glaze to the dry particle slurry is (0.8: 1.2) - (1.2: 0.8);
the base glaze comprises the following components in parts by weight:
25-30 parts of potassium feldspar, 13-18 parts of albite, 7-10 parts of kaolin, 3-5 parts of zinc oxide, 3-5 parts of corundum, 5-8 parts of wollastonite, 7-10 parts of barium carbonate and 28-51 parts of protective glaze frit;
the dry particle pulp comprises the following components in parts by weight: 30-40 parts of anti-skid dry particles and 18-25 parts of a suspending agent; the fineness of the anti-skid dry particles is 250-350 meshes.
2. The antifouling and anti-slip archaized brick according to claim 1, wherein the protective glaze frit comprises 10-15 parts by weight of high-temperature frit, 10-20 parts by weight of medium-temperature frit and 8-16 parts by weight of low-temperature frit; the high-temperature frit has a melting start temperature of 1100-1200 ℃, the medium-temperature frit has a melting start temperature of 1000-1100 ℃, and the low-temperature frit has a melting start temperature of 900-1000 ℃.
3. The antifouling and antiskid archaized brick according to claim 1, wherein the antiskid dry particles comprise the following chemical components in percentage by weight: 62.0 to 62.5% SiO2、21.1～21.8%Al2O3、0.03～0.07%Fe2O3、0.1～0.25%TiO2、8.5～8.9%CaO、0.8～1.4%MgO、1.2～1.8%K2O and 3.2-3.8% of NaO, and the loss on ignition is 0.07-0.9%.
4. The antifouling and anti-skid archaized brick according to claim 1, wherein the weight ratio of the base glaze to the dry particle slurry is 1: 1.
5. the antifouling and anti-skid archaized brick according to claim 1, wherein the overglaze layer is formed by firing overglaze, and the overglaze comprises the following components in parts by weight: 28-33 parts of potassium feldspar, 18-32 parts of albite, 8-10 parts of kaolin, 8-15 parts of quartz, 10-13 parts of calcined soil, 5-10 parts of calcined talc and 10-20 parts of zirconium silicate.
6. A preparation method of the antifouling and anti-slip archaized brick, which is used for preparing the antifouling and anti-slip archaized brick as claimed in any one of claims 1 to 5, and is characterized by comprising the following steps:
preparing base glaze and dry particle slurry;
preparing dry particle protective glaze: mixing the base glaze slurry and the dry particle slurry according to a ratio, uniformly stirring to obtain dry particle protective glaze, adding water to the dry particle protective glaze, and adjusting the density of the dry particle protective glaze to 1.3-1.45 g/cm3；
Preparing a cover glaze: weighing the components of the overglaze according to the proportion, mixing, adding water, ball-milling until the fineness is 0.3-0.5% of the sieved residue passing through a 325-mesh sieve, and obtaining the overglaze with the density of 1.88-1.90 g/cm3；
Glazing and firing: and uniformly applying the overglaze on the surface of the green body, applying the dry particle protective glaze on the surface of the overglaze, and firing in a kiln to obtain the antifouling and antiskid antique brick.
7. The method for preparing the antifouling and anti-slip archaized brick according to claim 6, wherein the step of preparing the base glaze and the dry particle slurry comprises the following steps:
weighing the components of the base glaze according to the proportion, mixing, adding water and ball millingBall milling is carried out until the fineness is 0.3-0.5% of the residue sieved by a 325-mesh sieve, and the density of the obtained base glaze is 1.85-1.87 g/cm3；
Weighing the anti-skid dry granules and the suspending agent according to the proportion, mixing and uniformly stirring to obtain dry granule slurry.
8. The method for preparing the antifouling and anti-slip archaized brick according to claim 6, wherein in the step of glazing and firing, before the overglaze is uniformly applied to the blank, water is added to adjust the density of the overglaze to 1.50-1.55 g/cm3。
9. The method for preparing the antifouling and antiskid antique brick according to claim 6, wherein the firing temperature is 1220-1250 ℃.
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