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CN116535248A - Polished glazed hole stone brick with metallic luster and strong third dimension and preparation method thereof - Google Patents

Polished glazed hole stone brick with metallic luster and strong third dimension and preparation method thereof Download PDF

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Publication number
CN116535248A
CN116535248A CN202310585675.6A CN202310585675A CN116535248A CN 116535248 A CN116535248 A CN 116535248A CN 202310585675 A CN202310585675 A CN 202310585675A CN 116535248 A CN116535248 A CN 116535248A
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Prior art keywords
brick
layer
travertine
metallic luster
strong
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CN116535248B (en
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汪成东
黎友海
胡刚勇
秦刚
王恒
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GUANGDONG TIANBI CERAMICS CO Ltd
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GUANGDONG TIANBI CERAMICS CO Ltd
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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
    • 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
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/16Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than 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
    • 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
    • C04B41/90Coating or impregnation for obtaining at least two superposed coatings having different compositions at least one coating being a metal
    • 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
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
    • 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
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3427Silicates other than clay, e.g. water glass
    • C04B2235/3463Alumino-silicates other than clay, e.g. mullite
    • C04B2235/3472Alkali metal alumino-silicates other than clay, e.g. spodumene, alkali feldspars such as albite or orthoclase, micas such as muscovite, zeolites such as natrolite
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    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3427Silicates other than clay, e.g. water glass
    • C04B2235/3463Alumino-silicates other than clay, e.g. mullite
    • C04B2235/3481Alkaline earth metal alumino-silicates other than clay, e.g. cordierite, beryl, micas such as margarite, plagioclase feldspars such as anorthite, zeolites such as chabazite
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    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/349Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
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Abstract

The invention relates to the technical field of travertine bricks, in particular to a glazed travertine brick with metallic luster and strong third dimension and a preparation method thereof. The preparation method of the polished glazed hollow stone brick with metallic luster and strong third dimension comprises the following steps: step A, distributing powder in a mould, and performing compression molding, wherein a plurality of convex blocks are distributed in the mould, so as to prepare a green brick with a plurality of concave holes distributed on the surface; step B, applying surface glaze on the surface of the green brick to form a surface glaze layer; and C, performing primary firing on the adobe coated with the surface glaze to obtain the travertine brick. The preparation method of the glazed hollow stone brick with metallic luster and strong third dimension can prepare the glazed hollow stone brick with the decoration effect of a natural hollow stone structure, concave holes on the brick surface also have rich metallic luster, the concave holes have high texture definition and strong third dimension, and the problems of single decoration effect, unobtrusive concave hole effect, poor texture definition and poor third dimension of the existing hollow stone brick are solved.

Description

Polished glazed hole stone brick with metallic luster and strong third dimension and preparation method thereof
Technical Field
The invention relates to the technical field of travertine bricks, in particular to a glazed travertine brick with metallic luster and strong third dimension and a preparation method thereof.
Background
With the improvement of living standard, ceramic tiles with personalized decorative effects are being sought after by consumers. The natural travertine has clear texture, dense and dense texture, harmonious concave-convex and unique texture and pore structure, thereby having good decorative performance. However, the natural travertine has soft texture, small hardness and easy cracking, and in order to reproduce the texture effect of the natural travertine and meet the requirements of the earthquake resistance and service life of curtain wall decoration, the method for preparing the travertine brick by die press molding is developed, powder is distributed in a die with bumps, the die can reduce deep and shallow natural holes, and the travertine brick imitating the surface texture of the natural travertine can be obtained after press molding, but due to the fact that concave holes on the surface of the travertine brick are similar to the brick surface in color, the surface decoration effect of the conventional travertine brick is single, the concave hole effect is not outstanding, the definition of the concave hole texture is poor, and the three-dimensional sense of the brick surface is poor.
Disclosure of Invention
Aiming at the problems of the background technology, the invention aims to provide the preparation method of the glazed hollow stone brick with metallic luster and strong stereoscopic impression, which can prepare the glazed hollow stone brick with the decoration effect of a natural hollow stone structure, and the concave holes on the brick surface also have rich metallic luster, the concave holes have high texture definition and strong stereoscopic impression, so that the problems of single decoration effect, unobtrusive concave hole effect, poor texture definition and poor stereoscopic impression of the existing hollow stone brick are solved.
The invention further aims to provide the glazed hollow brick with metallic luster and strong third dimension, which is prepared by the preparation method of the glazed hollow brick with metallic luster and strong third dimension, not only has the decoration effect of a natural hollow structure, but also has rich metallic luster in concave holes, and has high texture definition and strong third dimension, thereby solving the problems of single surface decoration effect, unobtrusive concave hole effect, poor texture definition and poor third dimension of the conventional hollow brick.
To achieve the purpose, the invention adopts the following technical scheme:
the preparation method of the polished glazed hollow stone brick with metallic luster and strong third dimension comprises the following steps:
step A, distributing powder in a mould, and performing compression molding, wherein a plurality of convex blocks are distributed in the mould, so as to prepare a green brick with a plurality of concave holes distributed on the surface;
step B, applying surface glaze on the surface of the green brick to form a surface glaze layer;
step C, sintering the adobe distributed with the surface glaze for the first time to obtain a travertine brick;
step D, spraying conductive paint on the surface of the travertine brick, and forming a conductive paint layer on the surface of the overglaze layer;
e, electroplating the surface of the travertine brick to form an electroplated layer on the surface of the conductive coating layer;
step F, uniformly scattering metal powder on the surface of the travertine brick, cleaning the metal powder on the flat surface of the upper end of the travertine brick, retaining the metal powder in the concave hole of the travertine brick, and enabling the melting point of the plating metal of the electroplated layer to be higher than that of the metal powder;
step G, performing secondary sintering on the travertine brick, wherein the sintering temperature of the secondary sintering is higher than the melting point of the metal powder, and the sintering temperature of the secondary sintering is lower than the melting point of the plating metal of the electroplated layer, so that the metal powder is melted in the concave hole, and a metal cladding layer is formed after cooling;
and step H, polishing to remove the conductive coating layer and the electroplated layer corresponding to the flat surface of the upper end of the travertine brick, thereby obtaining the glazed travertine brick with metallic luster and strong third dimension.
Preferably, the plating metal of the plating layer is any one of copper and gold, and the metal powder is tin powder.
Preferably, the plating metal of the plating layer is copper, and the metal powder is tin powder;
in the step G, the firing temperature of the second firing is 270-280 ℃.
Preferably, in the step F, air is blown along the upper flat surface of the travertine brick, and the metal powder on the upper flat surface of the travertine brick is cleaned.
Preferably, in the step H, polishing is performed in a polishing solution, and the polishing solution is a nano zirconium dioxide polishing solution.
Preferably, the raw materials of the powder material comprise the following components in percentage by weight: 30-35% of potassium-sodium feldspar, 13-16% of medium-temperature potassium sand, 2.5-5% of bentonite, 4-6% of permeant, 4-6% of talcum, 20-25% of kaolin, 4-5% of raw ore mud, 8-12% of porcelain clay and 2-4% of bauxite;
the powder contains 60 to 75wt% of silicon dioxide.
Preferably, in the step a, the pressure of the press molding is 45000-55000 KN.
Preferably, in the step B, the overglaze is a transparent glaze, and the conductive coating is a colorless transparent conductive coating.
Preferably, in the step C, the firing temperature of the first firing is 1050 to 1180 ℃.
The utility model provides a glaze-polished hole stone brick that has metallic luster and third dimension is strong, uses the glaze-polished hole stone brick that has metallic luster and third dimension's preparation method preparation obtain, including body layer, overglaze layer, conductive coating layer, electroplated layer and metal cladding layer, the upper surface distribution on body layer has a plurality of shrinkage pool, the upper surface on body layer is equipped with overglaze layer, body layer corresponds shrinkage pool department is equipped with from inside to outside overglaze layer, conductive coating layer and electroplated layer in proper order, the middle part of shrinkage pool is equipped with metal cladding layer, just the height of the horizontal plane at the up end place of metal cladding layer is less than the height of the horizontal plane at the up end place of glaze-polished hole stone brick.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
according to the preparation method of the glazed hollow stone brick with the metallic luster and the strong third dimension, the glazed hollow stone brick with the natural hollow stone structure can be prepared, concave holes on the brick surface also have rich metallic luster, the concave holes are high in texture definition, the third dimension is strong, and the problems of single surface decoration effect, unobtrusive concave hole effect, poor texture definition and poor third dimension of the conventional hollow stone brick are solved.
Drawings
FIG. 1 is a block diagram of a green layer of a polished glazed hollow tile having metallic luster and strong stereoscopic impression according to one embodiment of the present invention;
FIG. 2 is a partial block diagram of a polished glazed hollow tile with metallic luster and strong stereoscopic impression according to one embodiment of the present invention;
wherein: the green body layer 1, the concave hole 11, the overglaze layer 2, the conductive paint layer 3, the electroplated layer 4 and the metal cladding layer 5.
Detailed Description
The preparation method of the polished glazed hollow stone brick with metallic luster and strong third dimension comprises the following steps:
step A, distributing powder in a mould, and performing compression molding, wherein a plurality of convex blocks are distributed in the mould, so as to prepare a green brick with a plurality of concave holes distributed on the surface;
step B, applying surface glaze on the surface of the green brick to form a surface glaze layer;
step C, sintering the adobe distributed with the surface glaze for the first time to obtain a travertine brick;
step D, spraying conductive paint on the surface of the travertine brick, and forming a conductive paint layer on the surface of the overglaze layer;
e, electroplating the surface of the travertine brick to form an electroplated layer on the surface of the conductive coating layer;
step F, uniformly scattering metal powder on the surface of the travertine brick, cleaning the metal powder on the flat surface of the upper end of the travertine brick, retaining the metal powder in the concave hole of the travertine brick, and enabling the melting point of the plating metal of the electroplated layer to be higher than that of the metal powder;
step G, performing secondary sintering on the travertine brick, wherein the sintering temperature of the secondary sintering is higher than the melting point of the metal powder, and the sintering temperature of the secondary sintering is lower than the melting point of the plating metal of the electroplated layer, so that the metal powder is melted in the concave hole, and a metal cladding layer is formed after cooling;
and step H, polishing to remove the conductive coating layer and the electroplated layer corresponding to the flat surface of the upper end of the travertine brick, thereby obtaining the glazed travertine brick with metallic luster and strong third dimension.
The method comprises the steps of preparing a green brick with a plurality of concave holes distributed on the surface by using a die, dispersing a plurality of bumps in the die, forming a plurality of concave holes distributed on the surface of the green brick after powder distributed around the bumps is pressed and demoulded, forming a surface texture and a travertine structure similar to those of a natural travertine, having good decorative effect, then applying overglaze on the surface of the green brick to form an overglaze layer, improving the surface texture of the travertine brick and enhancing the stereoscopic impression.
After the first firing, the conductive coating is sprayed on the surface of the travertine brick in a manner that the conductive coating can uniformly cover the surface of the travertine brick, so that the surface of the travertine brick has certain conductivity, then electroplating treatment is performed to form an electroplated layer on the surface of the conductive coating layer, since the metal powder on the surface of the travertine brick only remains in the concave holes, the firing temperature of the second firing is higher than the melting point of the metal powder, and the firing temperature of the second firing is lower than the melting point of the plated layer metal of the electroplated layer, after the second firing, the metal powder can be melted in the second firing, and the plated layer metal remains solid, so that the metal powder is melted and adhered on the surface of the electroplated layer in the concave holes when the second firing, and is connected with the plated layer metal in the concave holes after cooling to form a metal cladding layer.
After the conductive coating layer and the electroplated layer corresponding to the flat surface of the upper end of the travertine brick are removed through polishing, a plurality of concave holes are distributed on the surface of the obtained polished glazed travertine brick, the surface texture similar to that of a natural travertine is achieved, the decorative effect is good, the electroplated layer with metallic luster is attached to the surface of the concave holes, the metallic powder is mainly distributed in the concave holes in the middle of the concave holes downwards due to the action of gravity, the metallic cladding layer formed after melt cooling is also distributed in the middle of the concave holes, so that the concave holes are provided with uniform surface metallic luster, the metallic cladding layer with different luster with the electroplated layer is further arranged in the middle of the concave holes, and the richness of the metallic luster effect of the surfaces of the travertine bricks is effectively improved. In addition, because the metal cladding layer has the metallic luster different from the electroplated layer, and is located the middle part of shrinkage pool, the visual contrast between shrinkage pool surface and the brick face is big, under metallic luster's effect, shrinkage pool inside texture department can show different gloss effects to effectively show the texture of shrinkage pool, form strong shrinkage pool texture visual effect, effectively strengthen the texture definition of shrinkage pool, the third dimension is strong.
The upper flat surface of the travertine brick refers to the surface of the travertine brick without concave holes.
The preparation method of the glazed hollow stone brick with metallic luster and strong third dimension can prepare the glazed hollow stone brick with the decoration effect of a natural hollow stone structure, concave holes on the brick surface also have rich metallic luster, the concave holes have high texture definition and strong third dimension, and the problems of single decoration effect, unobtrusive concave hole effect, poor texture definition and poor third dimension of the existing hollow stone brick are solved.
Preferably, the plating metal of the plating layer is any one of copper and gold, and the metal powder is tin powder.
The plating metal of electroplated layer is copper or gold, the metal powder is tin powder, the melting point of copper and gold is higher than that of tin, the tin powder can be melted in the second firing, and is connected with the plating metal in the concave hole after cooling, in addition, copper or gold has warm metallic luster, and tin has partial cold metallic luster, so that the color visual contrast between the electroplated layer and the metal cladding layer is larger, a strong concave hole texture visual effect can be formed, and the stereoscopic impression of the concave hole is effectively enhanced.
Preferably, the plating metal of the plating layer is copper, and the metal powder is tin powder;
in the step G, the firing temperature of the second firing is 270-280 ℃.
The plating metal of electroplated layer is copper, the metal powder is tin powder, the melting point of tin is lower, and the difference between the melting point of tin and the melting point of copper is larger, when firing for the second time, tin powder melts, and the plating metal (copper) remains solid, after firing for the second time, a metal cladding layer is formed in the middle of the concave hole, under the action of gravity, because the metal powder is mainly distributed in the concave hole in the middle of the concave hole, the metal cladding layer formed after melting and cooling is also distributed in the middle of the concave hole, and the height of the horizontal plane where the upper end face of the metal cladding layer is lower than the height of the horizontal plane where the upper end face of the polished-glazed hole stone brick is located, thereby effectively improving the stereoscopic impression of the polished-glazed hole stone brick.
Preferably, in the step F, air is blown along the upper flat surface of the travertine brick, and the metal powder on the upper flat surface of the travertine brick is cleaned.
By adopting the cleaning method of blowing along the flat surface of the upper end face of the travertine brick, the metal powder in the concave holes is not easy to blow away, the metal cladding layer can be formed after the second firing, and concretely, a fan with adjustable wind speed can be placed on the side face of the travertine brick, so that the wind blown out by the wind outlet of the fan blows along the flat surface of the upper end of the travertine brick.
Preferably, in the step H, polishing is performed in a polishing solution, and the polishing solution is a nano zirconium dioxide polishing solution.
The nano zirconium dioxide polishing solution can be used for metal polishing and stone brick face polishing, and the color of the nano zirconium dioxide is close to the brick face color, so that the polished surface effect is good.
Further stated, the powder comprises the following raw materials in percentage by weight: 30-35% of potassium-sodium feldspar, 13-16% of medium-temperature potassium sand, 2.5-5% of bentonite, 4-6% of permeant, 4-6% of talcum, 20-25% of kaolin, 4-5% of raw ore mud, 8-12% of porcelain clay and 2-4% of bauxite;
the powder contains 60 to 75wt% of silicon dioxide.
The chemical components of the powder are as follows according to weight percentage: 60 to 75 percent of silicon dioxide, 15 to 25 percent of aluminum oxide, 1.5 to 5.0 percent of potassium oxide, 1.5 to 5.0 percent of sodium oxide, 0.2 to 2.0 percent of calcium oxide, 0.2 to 2.0 percent of magnesium oxide, 0.1 to 1.5 percent of ferric oxide and 0.01 to 0.1 percent of titanium oxide, wherein the content of the silicon dioxide is higher, and the strength of the green brick can be ensured to meet the quality requirement.
Preferably, in the step a, the pressure of the press molding is 45000-55000 KN.
The strength of the green bricks pressed and formed under the pressure of 45000-55000 KN is not lower than 40Mpa, so that the polished glazed hole-stone brick keeps higher flexural strength, and the defect that the green bricks are broken easily even if the green bricks are provided with concave holes and have thinner thickness is avoided.
Preferably, in the step B, the overglaze is a transparent glaze, and the conductive coating is a colorless transparent conductive coating.
The transparent glaze is distributed to serve as the overglaze, and after polishing, the overglaze is exposed and displayed on the surface of the brick, so that the polished glazed hole stone brick has stronger surface texture. The texture of the surface of the polished glazed hollow stone brick is ensured by using colorless transparent conductive paint.
Further, in the step C, the firing temperature for the first firing is 1050 to 1180 ℃.
The first firing is carried out at a temperature higher than 1000 ℃, the high-temperature firing can improve the wear resistance of the overglaze, ensure the use effect of the polished glazed hole stone brick, and the firing time is preferably 60 minutes.
The utility model provides a glaze-polished hole stone brick that has metallic luster and third dimension is strong, uses the glaze-polished hole stone brick that has metallic luster and third dimension's preparation method prepare and obtain, including body layer 1, overglaze layer 2, conductive coating layer 3, electroplated layer 4 and metal cladding layer 5, the upper surface of body layer 1 distributes and has a plurality of shrinkage pool 11, the upper surface of body layer 1 is equipped with overglaze layer 2, body layer 1 corresponds shrinkage pool 11 department is equipped with from inside to outside overglaze layer 2, conductive coating layer 3 and electroplated layer 4 in proper order, the middle part of shrinkage pool 11 is equipped with metal cladding layer 5, just the height of the horizontal plane that the up end of metal cladding layer 5 is located is less than the height of the horizontal plane that the up end of glaze-polished hole stone brick is located.
The term "inner" refers to a direction toward the inside of the green body.
The glazed hole stone brick with metallic luster and strong third dimension not only has the decorative effect of a natural hole stone structure, but also has rich metallic luster in the concave holes 11, and the concave holes 11 are high in texture definition and strong in third dimension, so that the problems of single surface decorative effect, unobtrusive concave hole effect, poor texture definition and poor third dimension of the conventional hole stone brick are solved.
The present invention is described more fully below in order to facilitate an understanding of the present invention. This 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 are not to be construed as limiting the specific techniques or conditions described in the literature in this field or as per the specifications of the product. The reagents or apparatus used were conventional products commercially available without the manufacturer's attention.
Example 1
The preparation method of the polished glazed hollow stone brick with metallic luster and strong third dimension comprises the following steps:
step A, distributing powder in a mould, and performing compression molding, wherein a plurality of convex blocks are distributed in the mould, so as to prepare a green brick with a plurality of concave holes distributed on the surface;
the powder comprises the following raw materials in percentage by weight: 34% of potassium-sodium feldspar, wen Jiasha% of medium Wen Jiasha%, 3% of bentonite, 5% of limestone, 5% of talcum, 22% of kaolin, 4% of raw ore mud, 8% of porcelain clay and 4% of bauxite; in the step A, the pressure of compression molding is 55000KN;
step B, glaze is formed on the surface Shi Touming of the green brick to form an overglaze layer;
step C, performing primary sintering on the adobe distributed with the surface glaze, wherein the sintering temperature is 1180 ℃, and the sintering time is 60 minutes, so as to obtain the travertine brick;
step D, spraying transparent conductive paint on the surface of the travertine brick, and forming a conductive paint layer on the surface of the overglaze layer after normal-temperature drying;
e, electroplating the surface of the travertine brick, directly placing the travertine brick in an electroplating copper plating solution for direct electroplating, wherein the travertine brick is connected with a cathode of a direct-current power supply, an anode is a phosphor copper plate, and the formula of the electroplating solution is 130g/L CuSO 4 ·5H 2 O+60g/L H 2 SO 4 The electroplating condition is room temperature, and the electroplating parameter is 2A/dm 2 Electroplating for 10min, forming an electroplated layer on the surface of the conductive coating layer, wherein the metal of the electroplated layer is copper;
step F, uniformly scattering metal powder on the surface of the travertine brick, wherein the metal powder is tin powder, blowing air along the upper flat surface of the travertine brick, cleaning the metal powder on the upper flat surface of the travertine brick, and reserving the metal powder in the concave hole of the travertine brick;
step G, performing secondary sintering on the travertine bricks, wherein the sintering temperature of the secondary sintering is 280 ℃, the sintering time is 5min, and the metal powder is melted in the concave holes and cooled to form a metal cladding layer;
and step H, removing the corresponding conductive coating layer and electroplated layer on the flat surface of the upper end of the travertine brick by agricultural polishing in a polishing solution, wherein the polishing solution is nano zirconium dioxide polishing solution, so that the glazed travertine brick with metallic luster and strong stereoscopic impression is obtained.
Example 2
The preparation method of the polished glazed hollow stone brick with metallic luster and strong third dimension comprises the following steps:
step A, distributing powder in a mould, and performing compression molding, wherein a plurality of convex blocks are distributed in the mould, so as to prepare a green brick with a plurality of concave holes distributed on the surface;
the powder comprises the following raw materials in percentage by weight: 34% of potassium-sodium feldspar, wen Jiasha% of medium Wen Jiasha%, 3% of bentonite, 5% of limestone, 5% of talcum, 22% of kaolin, 4% of raw ore mud, 8% of porcelain clay and 4% of bauxite; in the step A, the pressure of compression molding is 55000KN;
step B, glaze is formed on the surface Shi Touming of the green brick to form an overglaze layer;
step C, performing primary sintering on the adobe distributed with the surface glaze, wherein the sintering temperature is 1180 ℃, and the sintering time is 60 minutes, so as to obtain the travertine brick;
step D, spraying transparent conductive paint on the surface of the travertine brick, and forming a conductive paint layer on the surface of the overglaze layer after normal-temperature drying;
e, electroplating the surface of the travertine brick, and directly placing the travertine brick in an electroplating copper plating solution for direct electroplating, wherein the method comprises the following specific processesThe travertine brick is connected with a cathode of a direct-current power supply, an anode is a platinum-titanium net, and the formula of the electroplating solution is 12g/L KAu (CN) 2 +90g/L KCN+15g/L K 2 HPO 4 +0.3g/L KAg(CN) 2 +20g/LNa 2 S 2 O 3 The electroplating condition is room temperature, and the electroplating parameter is 0.5A/dm 2 Electroplating for 15min, wherein an electroplated layer is formed on the surface of the conductive coating layer, and the metal of the electroplated layer is gold;
step F, uniformly scattering metal powder on the surface of the travertine brick, wherein the metal powder is tin powder, blowing air along the upper flat surface of the travertine brick, cleaning the metal powder on the upper flat surface of the travertine brick, and reserving the metal powder in the concave hole of the travertine brick;
step G, performing secondary sintering on the travertine bricks, wherein the sintering temperature of the secondary sintering is 280 ℃, the sintering time is 5min, and the metal powder is melted in the concave holes and cooled to form a metal cladding layer;
and step H, removing the corresponding conductive coating layer and electroplated layer on the flat surface of the upper end of the travertine brick by agricultural polishing in a polishing solution, wherein the polishing solution is nano zirconium dioxide polishing solution, so that the glazed travertine brick with metallic luster and strong stereoscopic impression is obtained.
The glazed hollow tile with metallic luster and strong third dimension prepared by the embodiment 1 and the embodiment 2 can clearly see the concave hole texture with the metallic luster on the tile surface, and can see the decoration of the silvery white luster under the warm metallic luster in the concave hole because the tin with the metallic luster different from the electroplated layer is arranged in the middle of the concave hole, so that the concave hole texture of the visual glazed hollow tile is clear, the third dimension is strong, the tile has rich metallic luster, and the decorative effect is rich.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims (10)

1. The preparation method of the polished glazed hollow stone brick with metallic luster and strong third dimension is characterized by comprising the following steps:
step A, distributing powder in a mould, and performing compression molding, wherein a plurality of convex blocks are distributed in the mould, so as to prepare a green brick with a plurality of concave holes distributed on the surface;
step B, applying surface glaze on the surface of the green brick to form a surface glaze layer;
step C, sintering the adobe distributed with the surface glaze for the first time to obtain a travertine brick;
step D, spraying conductive paint on the surface of the travertine brick, and forming a conductive paint layer on the surface of the overglaze layer;
e, electroplating the surface of the travertine brick to form an electroplated layer on the surface of the conductive coating layer;
step F, uniformly scattering metal powder on the surface of the travertine brick, cleaning the metal powder on the flat surface of the upper end of the travertine brick, retaining the metal powder in the concave hole of the travertine brick, and enabling the melting point of the plating metal of the electroplated layer to be higher than that of the metal powder;
step G, performing secondary sintering on the travertine brick, wherein the sintering temperature of the secondary sintering is higher than the melting point of the metal powder, and the sintering temperature of the secondary sintering is lower than the melting point of the plating metal of the electroplated layer, so that the metal powder is melted in the concave hole, and a metal cladding layer is formed after cooling;
and step H, polishing to remove the conductive coating layer and the electroplated layer corresponding to the flat surface of the upper end of the travertine brick, thereby obtaining the glazed travertine brick with metallic luster and strong third dimension.
2. The method for producing a glazed hollow tile having metallic luster and strong three-dimensional effect according to claim 1, wherein the plating metal of the plating layer is any one of copper and gold, and the metal powder is tin powder.
3. The method for producing a glazed hollow tile having metallic luster and strong stereoscopic impression according to claim 1, wherein the plating metal of the plating layer is copper and the metal powder is tin powder;
in the step G, the firing temperature of the second firing is 270-280 ℃.
4. The method for producing a glazed hollow tile having a metallic luster and a strong three-dimensional effect according to claim 1, wherein in step F, air is blown along the upper flat surface of the hollow tile to clean the metal powder on the upper flat surface of the hollow tile.
5. The method for preparing a glazed hollow tile having metallic luster and strong stereoscopic impression according to claim 1, wherein in the step H, polishing is performed in a polishing liquid, and the polishing liquid is a nano zirconium dioxide polishing liquid.
6. The method for preparing a glazed hollow tile having metallic luster and strong stereoscopic impression according to claim 1, wherein the raw materials of the powder material comprise, by weight: 30-35% of potassium-sodium feldspar, 13-16% of medium-temperature potassium sand, 2.5-5% of bentonite, 4-6% of permeant, 4-6% of talcum, 20-25% of kaolin, 4-5% of raw ore mud, 8-12% of porcelain clay and 2-4% of bauxite;
the powder contains 60 to 75wt% of silicon dioxide.
7. The method for producing a glazed hollow tile having metallic luster and strong stereoscopic impression according to claim 1, wherein the pressure of the press molding in the step a is 45000-55000 KN.
8. The method for producing a polished glazed hollow tile having metallic luster and strong stereoscopic impression according to claim 1, wherein in the step B, the overglaze is a transparent glaze, and the conductive paint is a colorless transparent conductive paint.
9. The method for producing a glazed hollow tile having a metallic luster and a strong three-dimensional effect according to claim 1, wherein the firing temperature for the first firing in step C is 1050 to 1180 ℃.
10. The glazed hollow stone brick with the metallic luster and strong third dimension is characterized in that the glazed hollow stone brick is prepared by the preparation method of the glazed hollow stone brick with the metallic luster and strong third dimension according to any one of claims 1-9, and comprises a green body layer, a surface glaze layer, a conductive coating layer, an electroplated layer and a metal cladding layer, wherein a plurality of concave holes are distributed on the upper surface of the green body layer, the surface glaze layer is arranged on the upper surface of the green body layer, the surface glaze layer, the conductive coating layer and the electroplated layer are sequentially arranged at the positions of the green body layer corresponding to the concave holes from inside to outside, the metal cladding layer is arranged in the middle of the concave holes, and the height of the horizontal plane where the upper end surface of the metal cladding layer is located is lower than the height of the horizontal plane where the upper end surface of the glazed hollow stone brick is located.
CN202310585675.6A 2023-05-23 2023-05-23 Polished glazed hole stone brick with metallic luster and strong third dimension and preparation method thereof Active CN116535248B (en)

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