CN114804928A - Preparation method of one-time sintered gold-plated dry grain glazed rock plate - Google Patents
Preparation method of one-time sintered gold-plated dry grain glazed rock plate Download PDFInfo
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- CN114804928A CN114804928A CN202210569126.5A CN202210569126A CN114804928A CN 114804928 A CN114804928 A CN 114804928A CN 202210569126 A CN202210569126 A CN 202210569126A CN 114804928 A CN114804928 A CN 114804928A
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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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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/52—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
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Abstract
The invention relates to a preparation method of a once-fired gold-plated dry-grain glazed rock plate, which sequentially comprises the following steps from bottom to top: the method comprises the steps of printing a glue pattern on a digital glue layer, matching a glue printing pattern with a remaining white dot or line according to the design of a pattern decorative layer, sucking dry particles in an area which is not left white after the dry particles are applied, reserving a designed concave area on the dry particle glaze layer, applying a gold-plated glaze, firing, wherein the gold-plated glaze layer does not react with the dry particle glaze layer, and retaining the gold-plated glaze in the concave area through a polishing process, so that the once-fired gold-plated dry particle glaze rock plate is obtained.
Description
Technical Field
The invention relates to the technical field of ceramic tiles, in particular to a preparation method of a one-time sintered gold-plated dry-grain glazed rock plate.
Background
The building ceramic is used in building, road, water supply and drainage, yard and other civil engineering. There are ceramic face brick, colour ceramic grain, ceramic pipe, etc. The product materials are divided into four types, namely crude pottery, fine pottery, semi-porcelain and porcelain; the sintering degree of the blank is divided into porosity, compactness, glazed products and unglazed products. The building ceramic has the common characteristics of high strength, moisture resistance, fire resistance, acid resistance, alkali resistance, freezing resistance, aging resistance, deterioration resistance, fading resistance, easy cleaning and the like, and has rich artistic decoration effect.
In the decoration of building ceramics, gold is plated on the brick surface to increase the metal effect on the brick surface, thereby greatly improving the decoration effect, improving the grade of the product and increasing the added value of the product.
Chinese patent CN201110305736.6 discloses a ceramic tile with gold plated surface and a manufacturing method thereof, which prints gold paste on the surface of the fired ceramic tile for secondary sintering, but the effect of gold paste fusing with the ceramic tile glaze is poor and the process is complex. Chinese patent CN202010517957.9 discloses a method for preparing soft gold-plated ceramic tile and its product, which is colored by vacuum ion plating and needs secondary firing. At present, a gold plating process is available in the market, a sinking line is formed on a full-glazed layer by using sinking ink, a layer of gold powder is sprayed on the whole brick surface after sintering to perform low-temperature secondary sintering, and then polishing is performed, so that the gold plating powder in a sinking area is not thrown away and is reserved. Another common gold plating process is available in the market: the process of slotting the surface of the ceramic tile and plating metal is more complex, the operability is very low, and the manufacturing cost is also very high.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a preparation method of a once-fired gold-plated dry-grain glaze rock plate, which has the advantages of simple process, no need of secondary processing or firing, vivid gold-plated pattern and good decorative effect.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a preparation method of a once-fired gold-plated dry-grain enameled rock plate comprises the following steps:
(1) preparing a rock plate blank: pressing and molding the rock plate base material to obtain a rock plate blank;
(2) coating of overglaze: uniformly coating the overglaze on the rock plate blank, and drying to obtain the rock plate blank with the overglaze;
(3) ink-jet printing: printing a pattern on the rock plate blank with the overglaze in an ink-jet manner to form a pattern decorative layer, and obtaining the rock plate blank with the decorative layer;
(4) ink-jet printing of digital glue: printing digital glue on the pattern decoration layer in an ink-jet manner to form a digital glue layer, so as to obtain a rock plate blank body applied with the digital glue layer;
(5) applying full-polishing dry grain glaze or half-polishing dry grain glaze: according to the glaze effect and the gold plating effect, selectively applying full-throwing dry grain glaze or semi-throwing dry grain glaze on the rock board blank applied with the digital glue layer, sucking dry grains in the area where the digital glue is not printed to form a dry grain glaze layer, and obtaining the rock board blank applied with the dry grain glaze layer; the softening temperature of the full-polished dry grain glaze is 980-1117 ℃, and the softening temperature of the half-polished dry grain glaze is 1060-1175 ℃;
(6) coating of gold plating glaze: spraying gold-plating glaze on the rock plate blank body applied with the dry granular glaze layer to form a gold-plating glaze layer, so as to obtain the rock plate blank body applied with the gold-plating glaze layer;
(7) and (3) firing: placing the rock plate blank body with the gold-plated glaze layer into a roller kiln for sintering, wherein the sintering temperature is 1100-1220 ℃, and the sintering period is 50-80 min, so as to obtain a gold-plated rock plate primary finished product;
(8) polishing: polishing the primary finished product of the gold-plated rock plate in the step (7) to obtain the primary sintered gold-plated dry-grain glaze rock plate;
wherein the full-polished dry granular glaze comprises SiO in percentage by weight 2 ：58.62%～59.92%、Al 2 O 3 ：11.30%～14.20%、CaO：11.73%～13.87%、MgO：0.61%～1.43%、K 2 O：5.43%～6.34%、Na 2 O：1.56%～1.88%、ZnO：5.76%～6.71%、ZrO 2 ：0.12%～0.29%；
The semi-polished dry granular glaze comprises the following components in percentage by weight: SiO 2 2 ：61.72%～63.29%、Al 2 O 3 ：112.26%～13.85%、CaO：10.10%～11.43%、MgO：1.20%～1.34%、K 2 O：4.99%～5.55%、Na 2 O：0.94%～1.25%、ZnO：4.34%～6.49%、ZrO 2 ：0.14%～0.35%。
Further, the grain-grade proportion of the fully-polished dry glaze grains is as follows: 60 meshes below: 0% -3%, 60-80 mesh: 0% -5%, 80-120 mesh: 9% -19%, 120-180 mesh: 70-80%, 180-325 mesh: 8% -15%, over 325 mesh: 0 to 8 percent.
Further, the application amount of the fully-polished dry granular glaze is 200-800 g/m 2 。
Further, the particle-level proportion of the semi-polished dry glaze particles is as follows: 60 meshes below: 0% -6%, 60-80 mesh: 3% -15%, 80-120 meshes: 43% -56%, 120-180 mesh: 20% -30%, 180-325 mesh: 4% -10%, over 325 mesh: 0 to 3 percent.
Further, the application amount of the semi-polished dry granular glaze is 80-300 g/m 2 。
Further, the gold-plating glaze consists of metal pearl powder and ceramic glue, and the mass ratio of the metal pearl powder to the ceramic glue in the gold-plating glaze is (0.5-5): 100, respectively; the specific gravity of glaze water of the gold-plated glaze is controlled to be 1.01-1.11, the flow rate of glaze slip is controlled to be 18-28 s, and the glazing amount is controlled to be 50-250 g/m 2 。
Furthermore, the particle size of the metal pearl powder is 5-1000 μm.
Furthermore, the metal pearl powder is a decorative material with optical interference effect, which is obtained by coating one or more layers of metal oxides on a base material which is sheet material such as synthetic mica and aluminum oxide which can resist temperature of 1050 ℃ or higher.
Further, the metal oxide is SnO 2 、TiO 2 、Fe 2 O 3 、Al 2 O 3 、Co 2 O 3 、Fe 3 O 4 One or more of MgO, ZnO, CaO, CuO and ZrO.
Further, the once-fired gold-plated dry-grain glazed rock plate sequentially comprises from bottom to top: a green body layer, a surface glaze layer, a pattern decoration layer, a digital glue layer, a dry particle glaze layer and a gold-plated glaze layer.
The invention relates to a preparation method of a once-fired gold-plated dry-grain glazed rock plate, which comprises the steps of printing a glue pattern on a digital glue layer, matching the glue pattern with a spot or line with remained white according to the design of a pattern decoration layer, sucking away dry grains in an area which is not remained white after the dry grains are applied, leaving a designed sunken area on a dry-grain glaze layer, applying gold-plated glaze, firing, wherein the gold-plated glaze layer does not react with the dry-grain glaze layer, and retaining the gold-plated glaze in the sunken area through a polishing process, so that the once-fired gold-plated dry-grain glazed rock plate is obtained.
The invention relates to a preparation method of a once-fired gold-plated dry-grain glaze rock plate, which can be used for selectively applying full-polished dry-grain glaze or semi-polished dry-grain glaze on a rock plate blank applied with a digital glue layer according to the glaze effect and the gold-plating effect, when a full-polishing process is used, the full-polished dry-grain glaze is selected, the melting temperature of the full-polished dry-grain glaze layer is lower, the dry-grain glaze layer is thicker, the dry-grain glaze layer is melted, gold-plating glaze on the dry-grain glaze layer area stuck by the digital glue can be completely polished, translucent full-polished dry-grain glaze texture is presented, a concave area formed by leaving white patterns on the digital glue layer is reserved, and the gold-plating glaze is reserved and presents a gold-plating effect with bright metal luster; when the semi-polishing process is used, the semi-polishing dry grain glaze is selected, the designed pattern area has a gold plating effect, the dry grain glaze layer selected by the semi-polishing process has a high melting temperature, the glaze surface has strong granular sensation after firing, the gold plating glaze at the gaps of the dry grains can be retained after the semi-polishing process, a star-dot-shaped gold plating effect is achieved, and the gold plating decorative effect is bright and beautiful when the designed gold plating effect is achieved.
According to the preparation method of the once-fired gold-plated dry-particle glazed rock plate, the full-polished dry-particle glaze or the half-polished dry-particle glaze can be selectively applied to the rock plate blank applied with the digital glue layer according to the glaze effect and the gold-plating effect, parameters such as softening temperature, application amount, particle-level proportion and the like of the full-polished dry-particle glaze and the half-polished dry-particle glaze are adjusted, the rock plate blank applied with the full-polished dry-particle glaze and the rock plate blank applied with the half-polished dry-particle glaze can be subjected to mixed firing, the production process is simpler and more convenient, and more production requirements can be met.
Drawings
FIG. 1 is a schematic structural view of a once-fired gold-plated dry-grained glaze rock plate according to the present invention;
in the figure: 1. the ceramic tile comprises a rock slab body layer, 2 a surface glaze layer, 3 a pattern decoration layer, 4 a digital glue layer, 5 a dry grain glaze layer, 6 a gold-plated glaze layer.
Detailed Description
The following examples may help one skilled in the art to more fully understand the present invention, but are not intended to limit the invention in any way.
The invention relates to a preparation method of a one-time gold-plated dry-grain glaze rock plate.A rock plate blank body is prepared by a known common rock plate base material according to a conventional method and can also be prepared by powder for preparing the rock plate blank body defined by the application; specifically, the rock plate base material used for the rock plate blank in the following examples comprises the following chemical components in percentage by weight: si0 2 ：67%、A1 2 O 3 ：21.5%、K 2 0：3.5%、Na 2 0：2%、MgO：0.5%、CaO：0.3%、Fe 2 O 3 : 0.5%, IL: 4.7 percent; and sieving the powder for preparing the rock plate blank by a 250-mesh sieve, wherein the residual is 0.6-0.8%.
The invention relates to a preparation method of a one-time sintered gold-plated dry-grain glazed rock plate, wherein metal pearl powder in gold-plated glaze can be purchased from the market, and the purchased metal pearl powder is a decorative material with optical interference effect, which is obtained by coating one or more layers of metal oxides on a base material of sheet materials such as synthetic mica, alumina and the like which can resist temperature of more than 1050 ℃; the pearl powder shows different effects in use according to different sizes of particles of the pearl powder, and the particle size of the metal pearl powder needs to be controlled to be 5-1000 mu m in order to obtain a better decorative effect; the metal oxide coated on the substrate is SnO 2 、TiO 2 、Fe 2 O 3 、Al 2 O 3 、Co 2 O 3 、Fe 3 O 4 One or more of MgO, ZnO, CaO, CuO and ZrOSeed growing; according to the types and the sequence of the coated oxides and the different coating thicknesses, the metallic pearl powder presents different metallic color luster and refractive index, and has flip-flop property and bright and colorful metallic luster; in order to meet specific requirements of customers, the metal pearl powder suitable for use can be prepared or ordered with suppliers according to actual needs of customers and markets.
The invention relates to a preparation method of a one-time sintered gold-plated dry-grain glaze rock plate, which can select overglaze with different composition ratios, and the overglaze applying mode comprises but is not limited to glaze spraying, glaze pouring and the like. Under the overglaze with different composition ratios, the covering power of the metal pearl powder to the ground color is different, and the flickering effect of the metal pearl powder is also influenced by the overglaze; the overglaze used in the following examples comprises the following chemical components in percentage by weight: loss on ignition: 1.82% and SiO 2 ：53.14%、Al 2 O 3 ：32.04%、Fe 2 O 3 ：0.25%、TiO 2 ：0.13%、CaO：0.42%、MgO：0.35%、K 2 O：2.29%、Na 2 O：4.32%、ZrO 2 : 5.24 percent; by applying the overglaze, the metallic pearl powder has strong covering power to the ground color, good flickering effect and gorgeous gold-plated decorative effect.
The invention relates to a preparation method of a once-burning gold-plated dry grain glaze rock plate, which prints digital glue layers with different patterns by using digital glue, sticks a dry grain glaze layer, sucks away dry grains in an area where the digital glue is not printed, the dry grain glaze layer can leave a designed dot-shaped or linear sunken pattern, the sunken pattern area is a polished gold-plated area, and the once-burning gold-plated dry grain glaze rock plate prepared after burning and polishing has gold-plated grains with gorgeous and colorful metal luster, thereby enriching the decorative effect of products; in addition, compared with the traditional glaze product, the dry grain glaze has the advantages of high transparency, high hardness and the like, and can be made into gold-plated dry grain glazed rock plate products with two different processes of dry grain half-polishing and dry grain full-polishing by changing the dry grain type and glaze amount of a dry grain glaze layer; in addition, the method has simple and rapid operation and flexible process, and can prepare the gold-plated dry-grain glazed rock plate with high-end atmosphere without multiple sintering or multiple processing.
The invention relates to a preparation method of a once-fired gold-plated dry-grain glazed rock plate, which is characterized in that a pattern decorative layer is printed by a digital ink-jet printer, and the used ceramic color ink can be blue, brown, orange, yellow-black, black and the like; the digital glue layer is printed by a digital ink-jet printer, a glue printing pattern with left white dots or lines is matched according to the design of the pattern decoration layer, and the components of the digital glue ink are not particularly limited and can be glue ink known in the field.
The invention relates to a preparation method of a one-time gold-plated dry particle glaze rock plate, which comprises a belt type material distributor, a roller type material distributor and the like, wherein dry particles are driven by a belt or a roller, are uniformly distributed on a brick blank printed with a digital glue layer and are adhered by the digital glue, then an air exhaust pipe matched with a particle dryer is used for sucking away an area not printed with the digital glue, namely the dry particles which are not adhered, and the thickness of a dry particle glaze layer can be adjusted simultaneously according to the printing amount of the digital glue and the blanking amount of the particle dryer.
The invention relates to a preparation method of a once-fired gold-plated dry-grain glaze rock plate, wherein the grain size below 60 meshes in the dry-grain glaze grain size is 10-60 meshes, and the grain size above 325 meshes is 325-1000 meshes.
The invention relates to a preparation method of a one-time gold-plated dry-grain glaze rock plate, which comprises the following chemical components in example 1: loss on ignition by mass percent: 0.40% of SiO 2 ：31.63%、Al 2 O 3 ：31.42%、Fe 2 O 3 ：22.72%、SnO 2 ：5.54%、TiO 2 ：0.74%、CaO：0.08%、MgO：0.43%、K 2 O：6.36%、Na 2 O: 0.64 percent; the chemical composition of the metallic pearl powder used in examples 2 to 3 and comparative examples 1 to 2 was: loss on ignition by mass percent: 0.47% of SiO 2 ：39.98%、Al 2 O 3 ：31.38%、Fe 2 O 3 ：8.86%、SnO 2 ：3.68%、TiO 2 ：0.89%、CaO：4.73%、MgO：0.90%、K 2 O：8.52%、Na 2 O：0.54%。
The invention relates to a preparation method of a once-fired gold-plated dry-grain enameled rock plate, wherein the polishing technological parameters of full-polishing treatment in the following embodiments are as follows:
the polishing process parameters of the half-polishing treatment in the following examples are as follows:
the present invention will be described in detail by way of examples. It is to be understood that the following examples are illustrative of the present invention and are not to be construed as limiting the scope of the invention, and that certain insubstantial modifications and adaptations of the invention by those skilled in the art in light of the foregoing description are intended to be included within the scope of the invention. The specific process parameters and the like of the following examples are also only one example of suitable ranges, i.e., those skilled in the art can select the appropriate ranges through the description herein, and are not limited to the specific values exemplified below.
Example 1
A once burn gilt dry grain glaze rock plate includes from bottom to top in proper order: a green body layer, a surface glaze layer, a pattern decoration layer, a digital glue layer, a dry particle glaze layer and a gold-plated glaze layer; the preparation method of the once-fired gold-plated dry-grain enameled rock plate comprises the following steps of:
(1) preparing a rock plate blank: pressing and molding the rock plate base material to obtain a rock plate blank;
(2) coating of overglaze: uniformly coating the overglaze on the rock plate blank, and drying to obtain the rock plate blank with the overglaze; the surface glaze applying mode is glaze spraying, the specific gravity of the surface glaze is 1.85, and the glaze applying amount is 400g/m 2 (ii) a The overglaze comprises the following chemical components in percentage by weight: loss on ignition: 1.82% and SiO 2 ：53.14%、Al 2 O 3 ：32.04%、Fe 2 O 3 ：0.25%、TiO 2 ：0.13%、CaO：0.42%、MgO：0.35%、K 2 O：2.29%、Na 2 O：4.32%、ZrO 2 ：5.24%；
(3) Ink-jet printing: printing a pattern on the rock plate blank with the overglaze in an ink-jet manner to form a pattern decorative layer, and obtaining the rock plate blank with the decorative layer;
(4) ink-jet printing of digital glue: printing digital glue on the pattern decoration layer in an ink-jet manner to form a digital glue layer, so as to obtain a rock plate blank body applied with the digital glue layer; the printing quantity of the digital glue ink is 20g/m 2 ；
(5) Respectively applying full-throwing dry grain glaze and half-throwing dry grain glaze: according to the glaze effect and the gold plating effect, selectively applying full-throwing dry grain glaze or semi-throwing dry grain glaze on the rock board blank applied with the digital glue layer, sucking dry grains in the area where the digital glue is not printed to form a dry grain glaze layer, and obtaining the rock board blank applied with the dry grain glaze layer; the softening temperature of the full-polished dry grain glaze is 980-1117 ℃, and the softening temperature of the half-polished dry grain glaze is 1060-1175 ℃;
the rock plate blank body applied with the dry grain glaze layer is respectively as follows: distributing a rock plate blank body with fully-polished dry granular glaze and distributing a rock plate blank body with half-polished dry granular glaze;
(6) coating of gold plating glaze: respectively spraying gold-plating glaze on the rock plate blank body coated with the full-polished dry granulated glaze and the rock plate blank body coated with the semi-polished dry granulated glaze to form gold-plating glaze layers, and respectively obtaining the rock plate blank body coated with the gold-plating glaze layer which is fully polished and the rock plate blank body coated with the gold-plating glaze layer which is semi-polished;
the gold-plated glaze consists of metal pearl powder and ceramic glue, the particle size of the metal pearl powder is 5-300 mu m, the metal pearl powder is a decorative material with optical interference effect obtained by coating one or more layers of metal oxides on a base material which is a sheet material such as synthetic mica and aluminum oxide capable of resisting temperature of above 1050 ℃; the mass ratio of the metallic pearl powder to the ceramic glue in the gold-plated glaze is 0.5: 100, respectively; the specific gravity of glaze water of the gold-plated glaze is controlled to be 1.01, the flow rate of glaze slip is controlled to be 18s, and the glazing amount is controlled to be 50g/m 2 ；
(7) And (3) firing: putting the fully-polished rock plate blank body applied with the gold-plated glaze layer and the semi-polished rock plate blank body applied with the gold-plated glaze layer into a roller kiln for co-firing at 1100 ℃ for 50min to obtain a primary gold-plated rock plate finished product;
(8) polishing: polishing the primary finished product of the gold-plated rock plate in the step (7) to obtain a fully-polished primary sintered gold-plated dry-grained vitreous enamel plate and a semi-polished primary sintered gold-plated dry-grained vitreous enamel plate;
wherein the full-polished dry granular glaze comprises SiO in percentage by weight 2 ：58.62%～59.92%、Al 2 O 3 ：11.30%～14.20%、CaO：11.73%～13.87%、MgO：0.61%～1.43%、K 2 O：5.43%～6.34%、Na 2 O：1.56%～1.88%、ZnO：5.76%～6.71%、ZrO 2 ：0.12%～0.29%；
The application amount of the fully-polished dry granular glaze is 200g/m 2 ；
The grain-level proportion of the fully-polished dry glaze grains is as follows: 60 meshes below: 0% -3%, 60-80 mesh: 0% -5%, 80-120 mesh: 9% -19%, 120-180 mesh: 70-80%, 180-325 mesh: 8% -15%, more than 325 meshes: 0% -8%;
the semi-polished dry granular glaze comprises the following components in percentage by weight: SiO 2 2 ：61.72%～63.29%、Al 2 O 3 ：112.26%～13.85%、CaO：10.10%～11.43%、MgO：1.20%～1.34%、K 2 O：4.99%～5.55%、Na 2 O：0.94%～1.25%、ZnO：4.34%～6.49%、ZrO 2 ：0.14%～0.35%；
The application amount of the semi-polished dry granular glaze is 80g/m 2 ；
The particle grade proportion of the semi-polished dry granular glaze is as follows: 60 meshes below: 0% -6%, 60-80 mesh: 3% -15%, 80-120 mesh: 43% -56%, 120-180 mesh: 20% -30%, 180-325 mesh: 4% -10%, over 325 mesh: 0 to 3 percent.
The glaze of the fully-polished once-fired gold-plated dry-grain glazed rock plate prepared by the embodiment is clear in transparency, the pattern is fine in color, the gold-plated texture is bright and has golden red metal luster, the designed pattern is fine in transparency, and the glossiness of the dry-grain glaze layer reaches 96-100 degrees;
the semi-polished once-fired gold-plated dry-grained glaze rock plate prepared by the embodiment has metal lines in a designed area, and also has densely distributed gold-plated points in a dry-grained glaze layer, the glossiness of the semi-polished dry-grained glaze layer reaches more than 80 degrees, the dry-grained glaze layer and the gold-plated layer have strong contrast in color and obvious contrast in glossiness, the whole layer is rich, the gold-plated points are densely distributed, and the texture is strong.
Example 2
A once burn gilt dry grain glaze rock plate includes from bottom to top in proper order: a green body layer, a surface glaze layer, a pattern decoration layer, a digital glue layer, a dry particle glaze layer and a gold-plated glaze layer; the preparation method of the once-fired gold-plated dry-grain enameled rock plate comprises the following steps of:
(1) preparing a rock plate blank: pressing and molding the rock plate base material to obtain a rock plate blank;
(2) coating of overglaze: uniformly coating the overglaze on the rock plate blank, and drying to obtain the rock plate blank with the overglaze; the surface glaze applying mode is glaze spraying, the specific gravity of the surface glaze is 1.89, and the glaze applying amount is 600g/m 2 (ii) a The overglaze comprises the following chemical components in percentage by weight: loss on ignition: 1.82% and SiO 2 ：53.14%、Al 2 O 3 ：32.04%、Fe 2 O 3 ：0.25%、TiO 2 ：0.13%、CaO：0.42%、MgO：0.35%、K 2 O：2.29%、Na 2 O：4.32%、ZrO 2 ：5.24%；
(3) Ink-jet printing: printing a pattern on the rock plate blank with the overglaze in an ink-jet manner to form a pattern decorative layer, and obtaining the rock plate blank with the decorative layer;
(4) ink-jet printing of digital glue: printing digital glue on the pattern decoration layer in an ink-jet manner to form a digital glue layer, so as to obtain a rock plate blank body applied with the digital glue layer; the printing quantity of the digital glue ink is 60g/m 2 ；
(5) Respectively applying full-throwing dry grain glaze and half-throwing dry grain glaze: according to the glaze effect and the gold plating effect, selectively applying full-throwing dry grain glaze or semi-throwing dry grain glaze on the rock board blank applied with the digital glue layer, sucking dry grains in the area where the digital glue is not printed to form a dry grain glaze layer, and obtaining the rock board blank applied with the dry grain glaze layer; the softening temperature of the full-polished dry grain glaze is 980-1117 ℃, and the softening temperature of the half-polished dry grain glaze is 1060-1175 ℃;
the rock plate blank body applied with the dry grain glaze layer is respectively as follows: distributing a rock plate blank body with fully-polished dry granular glaze and distributing a rock plate blank body with half-polished dry granular glaze;
(6) coating of gold plating glaze: respectively spraying gold-plating glaze on the rock plate blank body coated with the full-polished dry granulated glaze and the rock plate blank body coated with the semi-polished dry granulated glaze to form gold-plating glaze layers, and respectively obtaining the rock plate blank body coated with the gold-plating glaze layer which is fully polished and the rock plate blank body coated with the gold-plating glaze layer which is semi-polished;
the gold-plated glaze consists of metal pearl powder and ceramic glue, the particle size of the metal pearl powder is 200-500 mu m, the metal pearl powder is a decorative material with optical interference effect obtained by coating one or more layers of metal oxides on a base material which is a sheet material such as synthetic mica and aluminum oxide capable of resisting temperature of above 1050 ℃; the mass ratio of the metallic pearl powder to the ceramic glue in the gold-plated glaze is 5: 100, respectively; the specific gravity of glaze water of the gold-plated glaze is controlled to be 1.11, the flow rate of glaze slip is controlled to be 28 s, and the glazing amount is controlled to be 250g/m 2 ；
(7) And (3) firing: putting the fully-polished rock plate blank body with the gold-plated glaze layer and the semi-polished rock plate blank body with the gold-plated glaze layer into a roller kiln for co-firing at the firing temperature of 1220 ℃ for 80min to obtain a primary gold-plated rock plate finished product;
(8) polishing: polishing the primary finished product of the gold-plated rock plate in the step (7) to obtain a fully-polished primary sintered gold-plated dry-grained vitreous enamel plate and a semi-polished primary sintered gold-plated dry-grained vitreous enamel plate;
wherein the full-polished dry granular glaze comprises SiO in percentage by weight 2 ：58.62%～59.92%、Al 2 O 3 ：11.30%～14.20%、CaO：11.73%～13.87%、MgO：0.61%～1.43%、K 2 O：5.43%～6.34%、Na 2 O：1.56%～1.88%、ZnO：5.76%～6.71%、ZrO 2 ：0.12%～0.29%；
The spreading amount of the fully-polished dry granular glaze is 800g/m 2 ；
The grain-level proportion of the fully-polished dry glaze grains is as follows: 60 meshes below: 0% -3%, 60-80 mesh: 0% -5%, 80-120 mesh: 9% -19%, 120-180 mesh: 70-80%, 180-325 mesh: 8% -15%, over 325 mesh: 0% -8%;
the semi-polished dry granular glaze comprises the following components in percentage by weight: SiO 2 2 ：61.72%～63.29%、Al 2 O 3 ：112.26%～13.85%、CaO：10.10%～11.43%、MgO：1.20%～1.34%、K 2 O：4.99%～5.55%、Na 2 O：0.94%～1.25%、ZnO：4.34%～6.49%、ZrO 2 ：0.14%～0.35%；
The application amount of the semi-polished dry granular glaze is 300g/m 2 ；
The particle grade proportion of the semi-polished dry glaze particles is as follows: 60 meshes below: 0% -6%, 60-80 mesh: 3% -15%, 80-120 meshes: 43% -56%, 120-180 mesh: 20% -30%, 180-325 mesh: 4% -10%, over 325 mesh: 0 to 3 percent.
The glaze of the fully-polished once-fired gold-plated dry-grain glazed rock plate prepared by the embodiment is clear in transparency, the pattern is fine in color, the gold-plated texture is bright and has silvery metallic luster, the designed pattern is fine and smooth in transparency, and the glossiness of the dry-grain glaze layer reaches 96-100 degrees;
the semi-polished once-fired gold-plated dry-grained glaze rock plate prepared by the embodiment has metal lines in a designed area, and also has densely distributed gold-plated points in a dry-grained glaze layer, the glossiness of the semi-polished dry-grained glaze layer reaches more than 80 degrees, the dry-grained glaze layer and the gold-plated layer have strong contrast in color and obvious contrast in glossiness, the whole layer is rich, the gold-plated points are densely distributed, and the texture is strong.
Example 3
A once burn gilt dry grain glaze rock plate includes from bottom to top in proper order: a green body layer, a surface glaze layer, a pattern decoration layer, a digital glue layer, a dry particle glaze layer and a gold-plated glaze layer; the preparation method of the once-fired gold-plated dry-grain enameled rock plate comprises the following steps of:
(1) preparing a rock plate blank: pressing and molding the rock plate base material to obtain a rock plate blank;
(2) coating of overglaze: uniformly coating the overglaze on the rock plate blank, and drying to obtain the rock plate blank with the overglaze; the glazing mode is glaze spraying, the specific gravity of the glaze is 1.87, and the glazing amount is 500g/m 2 (ii) a The overglaze comprises the following chemical components in percentage by weight: loss on ignition:1.82%、SiO 2 ：53.14%、Al 2 O 3 ：32.04%、Fe 2 O 3 ：0.25%、TiO 2 ：0.13%、CaO：0.42%、MgO：0.35%、K 2 O：2.29%、Na 2 O：4.32%、ZrO 2 ：5.24%；
(3) ink-jet printing: printing a pattern on the rock plate blank with the overglaze in an ink-jet manner to form a pattern decorative layer, and obtaining the rock plate blank with the decorative layer;
(4) ink-jet printing of digital glue: printing digital glue on the pattern decoration layer in an ink-jet manner to form a digital glue layer, so as to obtain a rock plate blank body applied with the digital glue layer; the printing quantity of the digital glue ink is 50g/m 2 ；
(5) Respectively applying full-throwing dry grain glaze and half-throwing dry grain glaze: according to the glaze effect and the gold plating effect, selectively applying full-throwing dry grain glaze or semi-throwing dry grain glaze on the rock board blank applied with the digital glue layer, sucking dry grains in the area where the digital glue is not printed to form a dry grain glaze layer, and obtaining the rock board blank applied with the dry grain glaze layer; the softening temperature of the full-polished dry grain glaze is 980-1117 ℃, and the softening temperature of the half-polished dry grain glaze is 1060-1175 ℃;
the rock plate blank body applied with the dry grain glaze layer is respectively as follows: distributing a rock plate blank body with fully-polished dry granular glaze and distributing a rock plate blank body with half-polished dry granular glaze;
(6) coating of gold plating glaze: respectively spraying gold-plating glaze on the rock plate blank body coated with the full-polished dry granulated glaze and the rock plate blank body coated with the semi-polished dry granulated glaze to form gold-plating glaze layers, and respectively obtaining the rock plate blank body coated with the gold-plating glaze layer which is fully polished and the rock plate blank body coated with the gold-plating glaze layer which is semi-polished;
the gold-plated glaze consists of metal pearl powder and ceramic glue, the particle size of the metal pearl powder is 50-300 mu m, the metal pearl powder is a decorative material with optical interference effect obtained by coating one or more layers of metal oxides on a base material which is a sheet material such as synthetic mica and aluminum oxide capable of resisting temperature of above 1050 ℃; the mass ratio of the metallic pearl powder to the ceramic glue in the gold-plated glaze is 2.5: 100, respectively; the specific gravity of glaze water of the gold-plated glaze is controlled to be 1.07, the flow rate of glaze slurry is controlled to be 22s, and the glazing amount is controlledAt 150g/m 2 ；
(7) And (3) firing: putting the fully-polished rock plate blank body with the gold-plated glaze layer and the semi-polished rock plate blank body with the gold-plated glaze layer into a roller kiln for co-firing at 1180 ℃ for 65min to obtain a primary gold-plated rock plate finished product;
(8) polishing: polishing the primary finished product of the gold-plated rock plate in the step (7) to obtain a fully-polished primary sintered gold-plated dry-grained vitreous enamel plate and a semi-polished primary sintered gold-plated dry-grained vitreous enamel plate;
wherein the full-polished dry granular glaze comprises SiO in percentage by weight 2 ：58.62%～59.92%、Al 2 O 3 ：11.30%～14.20%、CaO：11.73%～13.87%、MgO：0.61%～1.43%、K 2 O：5.43%～6.34%、Na 2 O：1.56%～1.88%、ZnO：5.76%～6.71%、ZrO 2 ：0.12%～0.29%；
The spreading amount of the fully-polished dry granular glaze is 400g/m 2 ；
The grain-grade proportion of the fully-polished dry granular glaze is as follows: 60 meshes below: 0% -3%, 60-80 mesh: 0% -5%, 80-120 mesh: 9% -19%, 120-180 mesh: 70-80%, 180-325 mesh: 8% -15%, over 325 mesh: 0% -8%;
the semi-polished dry granular glaze comprises the following components in percentage by weight: SiO 2 2 ：61.72%～63.29%、Al 2 O 3 ：112.26%～13.85%、CaO：10.10%～11.43%、MgO：1.20%～1.34%、K 2 O：4.99%～5.55%、Na 2 O：0.94%～1.25%、ZnO：4.34%～6.49%、ZrO 2 ：0.14%～0.35%；
The application amount of the semi-polished dry granular glaze is 150g/m 2 ；
The particle grade proportion of the semi-polished dry glaze particles is as follows: 60 meshes below: 0% -6%, 60-80 mesh: 3% -15%, 80-120 meshes: 43% -56%, 120-180 mesh: 20% -30%, 180-325 mesh: 4% -10%, over 325 mesh: 0 to 3 percent.
The glaze of the fully-polished once-fired gold-plated dry-grain glazed rock plate prepared by the embodiment is clear in transparency, the pattern is fine in color, the gold-plated texture is bright and has silvery metallic luster, the designed pattern is fine and smooth in transparency, and the glossiness of the dry-grain glaze layer reaches 96-100 degrees;
the semi-polished once-fired gold-plated dry-grained glaze rock plate prepared by the embodiment has metal lines in a designed area, and also has densely distributed gold-plated points in a dry-grained glaze layer, the glossiness of the semi-polished dry-grained glaze layer reaches more than 80 degrees, the dry-grained glaze layer and the gold-plated layer have strong contrast in color and obvious contrast in glossiness, the whole layer is rich, the gold-plated points are densely distributed, and the texture is strong.
Comparative example 1
A once burn gilt dry grain glaze rock plate includes from bottom to top in proper order: a green body layer, a surface glaze layer, a pattern decoration layer, a digital glue layer, a dry particle glaze layer and a gold-plated glaze layer; the preparation method of the once-fired gold-plated dry-grain enameled rock plate comprises the following steps of:
(1) preparing a rock plate blank: pressing and molding the rock plate base material to obtain a rock plate blank;
(2) coating of overglaze: uniformly coating the overglaze on the rock plate blank, and drying to obtain the rock plate blank with the overglaze; the glazing mode is glaze spraying, the specific gravity of the glaze is 1.87, and the glazing amount is 500g/m 2 (ii) a The overglaze comprises the following chemical components in percentage by weight: loss on ignition: 1.82% of SiO 2 ：53.14%、Al 2 O 3 ：32.04%、Fe 2 O 3 ：0.25%、TiO 2 ：0.13%、CaO：0.42%、MgO：0.35%、K 2 O：2.29%、Na 2 O：4.32%、ZrO 2 ：5.24%；
(3) Ink-jet printing: printing a pattern on the rock plate blank body applied with the overglaze in an inkjet manner to form a pattern decorative layer and obtain the rock plate blank body applied with the decorative layer;
(4) ink-jet printing of digital glue: printing digital glue on the pattern decoration layer in an ink-jet manner to form a digital glue layer, so as to obtain a rock plate blank body applied with the digital glue layer; the printing quantity of the digital glue ink is 50g/m 2 ；
(5) Respectively applying full-throwing dry grain glaze and half-throwing dry grain glaze: according to the glaze effect and the gold plating effect, selectively applying full-throwing dry grain glaze or semi-throwing dry grain glaze on the rock board blank applied with the digital glue layer, sucking dry grains in the area where the digital glue is not printed to form a dry grain glaze layer, and obtaining the rock board blank applied with the dry grain glaze layer;
the rock plate blank body applied with the dry grain glaze layer is respectively as follows: distributing a rock plate blank body with fully-polished dry granular glaze and distributing a rock plate blank body with half-polished dry granular glaze;
(6) coating of gold plating glaze: respectively spraying gold-plating glaze on the rock plate blank body coated with the full-polished dry granulated glaze and the rock plate blank body coated with the semi-polished dry granulated glaze to form gold-plating glaze layers, and respectively obtaining the rock plate blank body coated with the gold-plating glaze layer which is fully polished and the rock plate blank body coated with the gold-plating glaze layer which is semi-polished;
the gold-plated glaze consists of metal pearl powder and ceramic glue, the particle size of the metal pearl powder is 50-300 mu m, the metal pearl powder is a decorative material with optical interference effect obtained by coating one or more layers of metal oxides on a base material which is a sheet material such as synthetic mica and aluminum oxide capable of resisting temperature of above 1050 ℃; the mass ratio of the metallic pearl powder to the ceramic glue in the gold-plated glaze is 2.5: 100, respectively; the specific gravity of glaze water of the gold-plated glaze is controlled to be 1.07, the flow rate of glaze slip is controlled to be 22s, and the glazing amount is controlled to be 150g/m 2 ；
(7) And (3) firing: putting the fully-polished rock plate blank body with the gold-plated glaze layer and the semi-polished rock plate blank body with the gold-plated glaze layer into a roller kiln for co-firing at 1180 ℃ for 65min to obtain a primary gold-plated rock plate finished product;
(8) polishing: polishing the primary finished product of the gold-plated rock plate in the step (7) to obtain a fully-polished primary sintered gold-plated dry-grained vitreous enamel plate and a semi-polished primary sintered gold-plated dry-grained vitreous enamel plate;
wherein the full-polished dry granular glaze comprises SiO in percentage by weight 2 ：60.02%～61.12%、Al 2 O 3 ：12.20%～13.20%、CaO：10.20%～11.10%、MgO：0.61%～1.43%、K 2 O：5.43%～6.34%、Na 2 O：1.56%～1.88%、ZnO：5.76%～6.71%、ZrO 2 ：0.12%～0.29%；
The spreading amount of the fully-polished dry granular glaze is 400g/m 2 ；
The grain-level proportion of the fully-polished dry glaze grains is as follows: 60 meshes below: 1% -3%, 60-80 mesh: 0% -5%, 80-120 mesh: 20% -25%, 120-180 mesh: 60% -70%, 180-325 mesh: 8% -15%, over 325 mesh: 0% -8%;
the semi-polished dry granular glaze comprises the following components in percentage by weight: SiO 2 2 ：60.10%～61.20%、Al 2 O 3 ：11.10%～12.10%、CaO：12.20%～13.34%、MgO：1.20%～1.34%、K 2 O：4.99%～5.55%、Na 2 O：0.94%～1.25%、ZnO：4.34%～6.49%、ZrO 2 ：0.14%～0.35%；
The application amount of the semi-polished dry granular glaze is 150g/m 2 ；
The particle grade proportion of the semi-polished dry glaze particles is as follows: 60 meshes below: 0% -6%, 60-80 mesh: 3% -15%, 80-120 meshes: 58% -62%, 120-180 mesh: 18% -27%, 180-325 mesh: 6-8%, more than 325 meshes: 0 to 3 percent.
The qualified rate of the co-fired product is reduced to below 12 percent.
Comparative example 2
A once burn gilt dry grain glaze rock plate includes from bottom to top in proper order: a green body layer, a surface glaze layer, a pattern decoration layer, a digital glue layer, a dry particle glaze layer and a gold-plated glaze layer; the preparation method of the once-fired gold-plated dry-grain enameled rock plate comprises the following steps of:
(1) preparing a rock plate blank: pressing and molding the rock plate base material to obtain a rock plate blank;
(2) coating of overglaze: uniformly coating the overglaze on the rock plate blank, and drying to obtain the rock plate blank with the overglaze; the glazing mode is glaze spraying, the specific gravity of the glaze is 1.87, and the glazing amount is 500g/m 2 (ii) a The overglaze comprises the following chemical components in percentage by weight: loss on ignition: 1.82% and SiO 2 ：53.14%、Al 2 O 3 ：32.04%、Fe 2 O 3 ：0.25%、TiO 2 ：0.13%、CaO：0.42%、MgO：0.35%、K 2 O：2.29%、Na 2 O：4.32%、ZrO 2 ：5.24%；
(3) Ink-jet printing: printing a pattern on the rock plate blank with the overglaze in an ink-jet manner to form a pattern decorative layer, and obtaining the rock plate blank with the decorative layer;
(4) ink-jet printing of digital glue: ink-jet printing digital glue on the pattern decorative layer to form digital glueWater layer to obtain a rock plate blank body applied with the digital glue layer; the printing quantity of the digital glue ink is 50g/m 2 ；
(5) Respectively applying full-throwing dry grain glaze and half-throwing dry grain glaze: according to the glaze effect and the gold plating effect, selectively applying full-throwing dry grain glaze or semi-throwing dry grain glaze on the rock board blank applied with the digital glue layer, sucking dry grains in the area where the digital glue is not printed to form a dry grain glaze layer, and obtaining the rock board blank applied with the dry grain glaze layer;
the rock plate blank body applied with the dry granular glaze layer is respectively as follows: distributing a rock plate blank body with fully-polished dry granular glaze and distributing a rock plate blank body with half-polished dry granular glaze;
(6) coating of gold plating glaze: respectively spraying gold-plating glaze on the rock plate blank body coated with the full-polished dry granulated glaze and the rock plate blank body coated with the semi-polished dry granulated glaze to form gold-plating glaze layers, and respectively obtaining the rock plate blank body coated with the gold-plating glaze layer which is fully polished and the rock plate blank body coated with the gold-plating glaze layer which is semi-polished;
the gold-plated glaze consists of metal pearl powder and ceramic glue, the particle size of the metal pearl powder is 50-300 mu m, the metal pearl powder is a decorative material with optical interference effect obtained by coating one or more layers of metal oxides on a base material which is a sheet material such as synthetic mica and aluminum oxide capable of resisting temperature of above 1050 ℃; the mass ratio of the metallic pearl powder to the ceramic glue in the gold-plated glaze is 2.5: 100; the specific gravity of glaze water of the gold-plated glaze is controlled to be 1.07, the flow rate of glaze slip is controlled to be 22s, and the glazing amount is controlled to be 150g/m 2 ；
(7) And (3) firing: putting the fully-polished rock plate blank body with the gold-plated glaze layer and the semi-polished rock plate blank body with the gold-plated glaze layer into a roller kiln for co-firing at 1180 ℃ for 65min to obtain a primary gold-plated rock plate finished product;
(8) polishing: polishing the primary finished product of the gold-plated rock plate in the step (7) to obtain a fully-polished primary sintered gold-plated dry-grained vitreous enamel plate and a semi-polished primary sintered gold-plated dry-grained vitreous enamel plate;
wherein the full-polishing dry granular glaze comprises SiO in percentage by weight 2 ：57.20%～58.20%、Al 2 O 3 ：10.00%～11.20%、CaO：13.90%～14.98%、MgO：1.50%～2.60%、K 2 O：5.43%～6.34%、Na 2 O：1.56%～1.88%、ZnO：5.76%～6.71%、ZrO 2 ：0.12%～0.29%；
The spreading amount of the fully-polished dry granular glaze is 400g/m 2 ；
The grain-level proportion of the fully-polished dry glaze grains is as follows: 60 meshes below: 0% -3%, 60-80 mesh: 0% -5%, 80-120 mesh: 9% -19%, 120-180 mesh: 70-80%, 180-325 mesh: 8% -15%, over 325 mesh: 0% -8%;
the semi-polished dry granular glaze comprises the following components in percentage by weight: SiO 2 2 ：63.50%～64.85%、Al 2 O 3 ：11.10%～12.25%、CaO：8.90%～9.80%、MgO：1.20%～1.34%、K 2 O：4.99%～5.55%、Na 2 O：0.94%～1.25%、ZnO：4.34%～6.49%、ZrO 2 ：0.14%～0.35%；
The application amount of the semi-polished dry granular glaze is 150g/m 2 ；
The particle grade proportion of the semi-polished dry glaze particles is as follows: 60 meshes below: 0% -6%, 60-80 mesh: 3% -15%, 80-120 meshes: 43% -56%, 120-180 mesh: 20% -30%, 180-325 mesh: 4% -10%, over 325 mesh: 0 to 3 percent.
The qualified rate of the co-fired product is reduced to below 9 percent.
According to the test results of the embodiment, the method for preparing the once-fired gold-plated dry-grain glazed rock plate comprises the steps of printing a glue pattern on a digital glue layer, matching the glue pattern with a dot or line which leaves a blank according to the design of a pattern decoration layer, sucking dry grains in an area which is not blank after the dry grains are applied, leaving a designed concave area on a dry-grain glaze layer, applying gold-plated glaze, firing the dry-grain glaze layer to ensure that the gold-plated glaze layer does not react with the dry-grain glaze layer, and retaining the gold-plated glaze in the concave area through a polishing process, so that the once-fired gold-plated dry-grain glazed rock plate is obtained, wherein the gold-plated texture can be flexibly changed according to the design pattern, the gold-plated texture is bright, the stereoscopic impression is strong, the dry-grain glaze is strong in transparent sense, the hardness is high, the texture of the rock plate glaze is rich, the product is high-end, the decoration is strong, and the market competitiveness is high; according to the glaze effect and the gold plating effect, full-throwing dry grain glaze or semi-throwing dry grain glaze can be selectively applied on the rock board blank body applied with the digital glue layer, when a full-throwing process is used, the full-throwing dry grain glaze is selected, the melting temperature of the full-throwing dry grain glaze layer is lower, the dry grain glaze layer is thicker, the dry grain glaze layer is melted and leveled, the gold plating glaze on the dry grain glaze layer area stuck by the digital glue can be completely thrown off, the translucent full-throwing dry grain glaze texture is presented, the digital glue layer pattern is left white to form a concave area, the gold plating glaze is retained, and the gold plating effect with bright metal luster is presented; when the semi-polishing process is used, the semi-polishing dry grain glaze is selected, so that not only is the designed pattern area provided with a gold plating effect, but also the dry grain glaze layer selected by the semi-polishing process has higher melting temperature and strong granular feeling of the glaze surface after firing, and after the semi-polishing, the gold plating glaze at the gaps of the dry grains can be retained to present a star-dot-shaped gold plating effect and present the designed gold plating effect at the same time, so that the gold plating decorative effect is bright; according to the glaze effect and the gold plating effect, the full-polishing dry grain glaze or the half-polishing dry grain glaze can be selectively applied to the rock board blank applied with the digital glue layer, the softening temperature, the application amount, the grain-level proportion and other parameters of the full-polishing dry grain glaze and the half-polishing dry grain glaze are adjusted, the rock board blank applied with the full-polishing dry grain glaze and the rock board blank applied with the half-polishing dry grain glaze can be mixed and burnt, the production process is simpler and more convenient, and more production requirements can be met.
Although the invention has been described in detail hereinabove with respect to a general description and specific embodiments thereof, it will be apparent to those skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. A preparation method of a once-fired gold-plated dry-grain glazed rock plate is characterized by comprising the following steps of:
(1) preparing a rock plate blank: pressing and molding the rock plate base material to obtain a rock plate blank;
(2) coating of overglaze: uniformly coating the overglaze on the rock plate blank, and drying to obtain the rock plate blank with the overglaze;
(3) ink-jet printing: printing a pattern on the rock plate blank with the overglaze in an ink-jet manner to form a pattern decorative layer, and obtaining the rock plate blank with the decorative layer;
(4) ink-jet printing of digital glue: printing digital glue on the pattern decoration layer in an ink-jet manner to form a digital glue layer, so as to obtain a rock plate blank body applied with the digital glue layer;
(5) applying full-polishing dry grain glaze or half-polishing dry grain glaze: according to the glaze effect and the gold plating effect, selectively applying full-throwing dry grain glaze or semi-throwing dry grain glaze on the rock board blank applied with the digital glue layer, sucking dry grains in the area where the digital glue is not printed to form a dry grain glaze layer, and obtaining the rock board blank applied with the dry grain glaze layer; the softening temperature of the full-polished dry grain glaze is 980-1117 ℃, and the softening temperature of the half-polished dry grain glaze is 1060-1175 ℃;
(6) coating of gold plating glaze: spraying gold-plating glaze on the rock plate blank body applied with the dry granular glaze layer to form a gold-plating glaze layer, so as to obtain the rock plate blank body applied with the gold-plating glaze layer;
(7) and (3) firing: placing the rock plate blank body with the gold-plated glaze layer into a roller kiln for sintering, wherein the sintering temperature is 1100-1220 ℃, and the sintering period is 50-80 min, so as to obtain a gold-plated rock plate primary finished product;
(8) polishing: polishing the primary finished product of the gold-plated rock plate in the step (7) to obtain the primary sintered gold-plated dry-grain glaze rock plate;
wherein the full-polished dry granular glaze comprises SiO in percentage by weight 2 ：58.62%～59.92%、Al 2 O 3 ：11.30%～14.20%、CaO：11.73%～13.87%、MgO：0.61%～1.43%、K 2 O：5.43%～6.34%、Na 2 O：1.56%～1.88%、ZnO：5.76%～6.71%、ZrO 2 ：0.12%～0.29%；
The semi-polished dry granular glaze comprises the following components in percentage by weight: SiO 2 2 ：61.72%～63.29%、Al 2 O 3 ：112.26%～13.85%、CaO：10.10%～11.43%、MgO：1.20%～1.34%、K 2 O：4.99%～5.55%、Na 2 O：0.94%～1.25%、ZnO：4.34%～6.49%、ZrO 2 ：0.14%～0.35%。
2. The method for preparing the once-fired gold-plated dry-grain enameled rock plate according to claim 1, wherein the grain fraction ratio of the fully-polished dry-grain enamel is as follows: 60 meshes below: 0% -3%, 60-80 mesh: 0% -5%, 80-120 mesh: 9% -19%, 120-180 mesh: 70-80%, 180-325 mesh: 8% -15%, over 325 mesh: 0 to 8 percent.
3. The method for preparing the once-fired gold-plated dry-grain glazed rock slab as claimed in claim 1, wherein the application amount of the fully-polished dry-grain glaze is 200-800 g/m 2 。
4. The method for preparing the once-fired gold-plated dry-grain enameled rock plate according to claim 1, wherein the grain fraction ratio of the half-polished dry-grain enamel is as follows: 60 meshes below: 0% -6%, 60-80 mesh: 3% -15%, 80-120 meshes: 43% -56%, 120-180 mesh: 20% -30%, 180-325 mesh: 4% -10%, over 325 mesh: 0 to 3 percent.
5. The method for preparing a once-fired gold-plated dry-grained enameled rock plate according to claim 1, characterized in that the application amount of the half-polished dry-grained glaze is 80-300 g/m 2 。
6. The method for preparing the once-fired gold-plated dry-grained enameled rock plate according to claim 1, characterized in that the gold-plated glaze consists of metal pearl powder and ceramic glue, and the mass ratio of the metal pearl powder to the ceramic glue in the gold-plated glaze is (0.5-5): 100, respectively; the specific gravity of glaze water of the gold-plated glaze is controlled to be 1.01-1.11, the flow rate of glaze slip is controlled to be 18-28 s, and the glazing amount is controlled to be 50-250 g/m 2 。
7. The method for preparing a once-fired gold-plated dry-grain enameled rock plate according to claim 6, wherein the particle size of the metal pearl powder is 5-1000 μm.
8. The method for preparing a once-fired gold-plated dry-grained vitreous enamel slab as claimed in claim 6, wherein the metal pearl powder is a decorative material with optical interference effect obtained by coating one or more layers of metal oxides on a base material of sheet materials such as synthetic mica and alumina which can resist temperature of 1050 ℃ or higher.
9. The method for preparing a once-fired gold-plated dry-grained enameled rock plate according to claim 8, characterized in that the metal oxide is SnO 2 、TiO 2 、Fe 2 O 3 、Al 2 O 3 、Co 2 O 3 、Fe 3 O 4 One or more of MgO, ZnO, CaO, CuO and ZrO.
10. The method for preparing a once-fired gold-plated dry-grained enameled rock plate according to claim 1, characterized in that the once-fired gold-plated dry-grained enameled rock plate comprises from bottom to top: a green body layer, a surface glaze layer, a pattern decoration layer, a digital glue layer, a dry particle glaze layer and a gold-plated glaze layer.
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| CN117986044B (en) * | 2024-04-03 | 2024-06-11 | 山东硅元新型材料股份有限公司 | High-siliceous high-grade daily-use fine porcelain with bucket golden color and preparation method thereof |
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