CN113582547B - Metal glaze and preparation method and application method thereof - Google Patents
Metal glaze and preparation method and application method thereof Download PDFInfo
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- CN113582547B CN113582547B CN202111149831.1A CN202111149831A CN113582547B CN 113582547 B CN113582547 B CN 113582547B CN 202111149831 A CN202111149831 A CN 202111149831A CN 113582547 B CN113582547 B CN 113582547B
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/14—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/02—Frit compositions, i.e. in a powdered or comminuted form
- C03C8/08—Frit compositions, i.e. in a powdered or comminuted form containing phosphorus
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
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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
Abstract
The invention belongs to the technical field of ceramic glaze materials, and relates to a metal glaze as well as a preparation method and an application method thereof; the metal glaze comprises the following raw materials in percentage by weight: 30-37% of albite, 8-15% of quartz, 0-4% of wollastonite, 9-16% of calcined kaolin, 4-6% of calcined zinc oxide, 19-23% of calcined iron phosphate and 13-20% of self-made high-phosphorus clinker powder. On the basis of calcining iron phosphate, the self-made high-phosphorus clinker powder is added to serve as a crystallization promoter, so that the metallic luster is easier to present, and the P element is introduced into the self-made high-phosphorus clinker powder in a form of clinker; the adjustment of metal effects of different colors can be realized by fine adjustment of the ratio of the self-made high-phosphorus clinker powder to the silicon-aluminum of the metal glaze. In addition, the metal glaze combines the roller printing process, so that the glaze surface can present a good three-dimensional effect.
Description
Technical Field
The invention relates to the technical field of ceramic glaze, in particular to metal glaze and a preparation method and an application method thereof.
Background
The decorative metal material is deeply touted by consumers because of the gorgeous and precious decorative style, but the application scene of the decorative metal material is limited due to the high price and poor acid and alkali resistance. With the innovation of decorative material preparation technology, the architectural ceramics with metal effect are widely applied due to the vivid metal luster and excellent corrosion resistance.
Wherein the metal glaze is a special crystal glaze. The preparation method of the metal glaze in the building ceramic industry comprises four steps: coating pyrolysis and imitation gold techniques, thermal spray coating, evaporation and sintering processes. The sintering method is the most common method for preparing metal glaze, and generally, transition metal oxides (such as oxides of Co, Mn, and Fe) are added into a basic glaze formula, water is used as a medium to ball mill and mix raw materials uniformly, then glaze slip (such as a high-temperature metal luster glaze disclosed in publication number CN 101935232A) is obtained by sieving, and then the glaze slip is applied to the surface of a brick body in a glaze spraying or screen printing manner, and after a ceramic tile is sintered, the surface of the brick body can show metal luster. However, in the conventional metallic glaze, crystals for showing metallic luster are difficult to precipitate in the conventional firing process, so that the metallic luster of the fired metallic glaze is not easy to appear, and the stability of the metallic effect (including glossiness and metallic color) is poor, and there is a need to develop a new metallic glaze formula to improve the above-mentioned defects of the metallic glaze.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a metal glaze to solve the problems of difficult presentation of metal luster and poor stability of metal effect of the prior metal glaze.
The second purpose of the invention is to provide a preparation method of the metal glaze.
The invention also aims to provide an application method of the metal glaze, namely the metal glaze or the metal glaze prepared by the preparation method of the metal glaze is applied to the preparation of the ceramic rock plate, so that the problems of poor metal effect and more glaze defects of the existing ceramic rock plate are solved, and the three-dimensional effect can be presented on the ceramic rock plate.
Based on the above, the invention discloses a metal glaze, which comprises the following raw materials in percentage by weight:
30 to 37 percent of albite
8 to 15 percent of quartz
0 to 4 percent of wollastonite
Calcined kaolin 9-16%
4 to 6 percent of calcined zinc oxide
Calcined iron phosphate 19-23%
And (3) preparing 13-20% of high-phosphorus clinker powder by self.
Preferably, the self-made high-phosphorus clinker powder comprises the following raw materials in percentage by weight:
30 to 49 percent of aluminum dihydrogen phosphate
10 to 25 percent of ground phosphate rock
Sodium carbonate 10-15%
Calcined kaolin 5-11%
10 to 15 percent of potassium carbonate
10-14% of alumina.
The self-made high-phosphorus clinker powder with the formula not only has a good promotion effect on the metal luster of the metal glaze, but also is convenient for adjusting the metal color of the metal glaze so as to show metal effects with different colors, and the metal effect is relatively more stable even if the firing temperature fluctuates.
Further preferably, the fineness of the self-made high-phosphorus clinker powder is less than or equal to 325 meshes, so that the subsequent grinding process of each raw material in the metal glaze is simplified, the grinding time is shortened, and the preparation of the metal glaze is facilitated.
Preferably, the color of the metal glaze is platinum, gold, rose gold or black gold.
On the basis that the calcined iron phosphate is added to the metal glaze, the self-made high-phosphorus clinker powder is added to serve as a crystallization promoter of the metal glaze, so that the metal luster is more easily presented, the P element is introduced into the self-made high-phosphorus clinker powder in a clinker form, and compared with a high-phosphorus raw material system, the self-made high-phosphorus clinker powder has a wider firing temperature range, so that the metal effect is more stably presented, and the excellent rate of a ceramic rock plate product prepared from the metal glaze can be greatly improved. Moreover, the adjustment of the metal effects of different colors can be realized only by slightly adjusting the proportion of the self-made high-phosphorus fusion cake powder and the silicon-aluminum in the metal glaze, and the color adjustment of the metal glaze is simpler.
The invention also discloses a preparation method of the metal glaze, which comprises the following steps:
step S11, preparing self-made high phosphorus clinker powder: weighing materials according to the formula of the self-made high-phosphorus clinker powder, uniformly mixing the weighed raw materials, melting at high temperature, discharging a melt, quenching, and grinding a glass lump obtained by quenching to obtain the self-made high-phosphorus clinker powder;
step S12, preparing metal glaze: weighing the materials according to the formula of the metal glaze, and grinding the weighed raw materials to obtain the metal glaze.
Preferably, in the step S11, the temperature of the high-temperature melting is 1000-1100 ℃, and the holding time is 2-5 h.
Preferably, in the step S12, the fineness of the metal glaze is less than or equal to 325 meshes, so as to facilitate the subsequent application of the metal glaze on the ceramic rock plate.
In the conventional metal glaze, the glazing thickness of the metal glaze is limited, and a perfect metal effect is difficult to present, for example, when the metal glaze layer is too thick, the viscosity of the metal glaze is reduced and the fluidity is increased in the high-temperature sintering process, so that the glaze surface is not uniform, and the metal effect is greatly reduced. Moreover, due to the particularity of the formula process of the traditional metal glaze, after the ceramic tile is fired, the defects of bubbles, pinholes and cracked glaze are easy to appear on the glaze surface, so that the antifouling performance of the ceramic tile is reduced, and the decoration and use effects of the ceramic tile are seriously influenced; in order to improve the glaze defects, when a layer of protective glaze is applied on the metal glaze layer, the metal effect is easily covered and loses efficacy.
Based on the above, the invention also discloses an application method of the metal glaze, which is to apply the metal glaze or the metal glaze prepared by the preparation method of the metal glaze to the preparation of the ceramic rock plate, and the application method comprises the following application steps:
step S21, preparing metal glaze slip: mixing and stirring the metal glaze and the roller printing paste uniformly according to the mass ratio, and then adjusting the flow rate of the glaze slip by using water to obtain metal glaze slip;
step S22, preparing a ceramic rock plate: and applying the metal glaze slip on the surface of the pretreated blank by adopting a roller printing process, then carrying out ink-jet printing on the digital protective glaze, drying and firing to obtain the ceramic rock plate.
Preferably, in the step S21, the roll printing paste is a mixture of ethylene glycol, polyethylene glycol 400, epoxy resin, EVA emulsion, carboxymethyl cellulose and water.
Preferably, in the step S21, the metal glaze and the roller paste are mixed in a mass ratio of 1: 0.5-0.6.
By adopting the roller printing paste suitable for the metal glaze, the glaze slip of the metal glaze can be combined with a roller printing process to obtain the ceramic rock plate with better three-dimensional effect and metal effect.
Preferably, in the step S22, the ink-jet amount of the digital protective glaze is 10-20g/m2The firing temperature after drying is 1180-1250 ℃ and the firing time is 55-70 min.
Preferably, the pretreatment step of the green body is as follows: and glazing the dried blank, and then spraying ink to print a pattern layer to obtain a pretreated blank so as to obtain the high-quality ceramic rock plate.
In the ceramic rock plate, the metal glaze is combined with the roller printing process, so that the glaze surface presents metal luster and metal effect superior to the traditional metal glaze, and presents three-dimensional effect which cannot be realized by the traditional process, thereby greatly improving the decorative effect of the ceramic rock plate; and the digital protection glaze technology is matched, so that the antifouling performance of the ceramic rock plate can be improved, and the three-dimensional effect and the metallic luster effect of the ceramic rock plate can not be weakened. Therefore, the metal glaze is applied to the ceramic rock plate, and the grade and the additional value of the ceramic rock plate can be obviously improved.
Compared with the prior art, the invention at least comprises the following beneficial effects:
besides the calcined ferric phosphate, the self-made high-phosphorus clinker powder is added in the formula of the metal glaze of the invention as a crystallization promoter of the metal glaze, so that the crystallization condition in the sintering process of the metal glaze is greatly reduced, crystals are easy to separate out, and the metal luster is stronger. Meanwhile, different metal effects, such as platinum, gold, rose gold and black gold effects, can be obtained by simply adjusting the ratio of the self-made high-phosphorus fusion cake powder to the silicon-aluminum in the metal glaze, and the color of the metal glaze is simpler to adjust.
Drawings
FIG. 1 is a ceramic rock plate having various metallic luster and cubic effect, which is manufactured by using the metallic glaze of the present invention.
FIG. 2 is a ceramic rock plate having different metallic luster and cubic effect, which is manufactured by using the metallic glaze of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example 1
The metal glaze of the embodiment comprises the following raw materials in percentage by weight:
37% of albite, 15% of quartz, 2% of wollastonite, 9% of calcined kaolin, 4% of calcined zinc oxide, 19% of calcined iron phosphate and 14% of self-made high-phosphorus clinker powder.
The self-made high-phosphorus clinker powder comprises the following raw materials in percentage by weight: 40% of aluminum dihydrogen phosphate, 15% of ground phosphate rock, 12% of sodium carbonate, 9% of calcined kaolin, 13% of potassium carbonate and 11% of alumina.
The preparation method of the metal glaze comprises the following steps:
step S11, preparing self-made high phosphorus clinker powder: weighing the materials according to the formula of the self-made high-phosphorus clinker powder, uniformly mixing the weighed raw materials in a mixer, melting the raw materials in a high-temperature clinker furnace, wherein the temperature rise speed in the melting process is 10 ℃ per minute, the highest temperature is 1000 ℃, and the heat preservation time is 3 hours, immediately discharging the melted melt after stopping heat preservation, quenching, grinding the glass lumps obtained after quenching until no residue is left after the glass lumps pass through a 325-mesh sieve, and thus obtaining the self-made high-phosphorus clinker powder.
Step S12, preparing metal glaze: weighing the materials according to the formula of the metal glaze, grinding the weighed raw materials in a vibration mill until the powder completely passes through a 325-mesh sieve to obtain the metal glaze.
The application method of the metal glaze in the ceramic rock plate comprises the following steps:
step S21, preparing metal glaze slip: mixing the metal glaze and the roller printing paste according to the mass ratio of 1: 0.5, mixing and stirring at high speed, adjusting the flow rate of the glaze slip by water after stirring uniformly, wherein the flow rate is required to be 90-100s, and obtaining the metal glaze slip. The following examples are prepared from the following raw materials in percentage by weight: 10% of ethylene glycol, 4005% of polyethylene glycol, 6% of E44 epoxy resin, 5% of Picker AQUATIX 8421 EVA emulsion, 4% of carboxymethyl cellulose and 70% of water as examples; the preparation steps of the roller printing paste are as follows: and adding the weighed ethylene glycol, polyethylene glycol 400, epoxy resin, EVA emulsion and carboxymethyl cellulose into water, and uniformly mixing and dispersing under stirring to obtain the roller printing paste.
Step S22, preparing a ceramic rock plate: drying the blank, applying a cover glaze, spraying ink to print a pattern layer, applying metal glaze slip by adopting a roller printing process, and then spraying ink to print a digital protective glaze, wherein the ink-jet amount of the digital protective glaze is 20g/m2And baking at 1190 ℃ for 70min to obtain the ceramic rock plate with the three-dimensional and platinum metallic luster effect.
Example 2
The metal glaze of the embodiment comprises the following raw materials in percentage by weight:
35% of albite, 8% of quartz, 4% of wollastonite, 11% of calcined kaolin, 4% of calcined zinc oxide, 23% of calcined iron phosphate and 15% of self-made high-phosphorus clinker powder.
The self-made high-phosphorus clinker powder comprises the following raw materials in percentage by weight: 48% of aluminum dihydrogen phosphate, 10% of ground phosphate rock, 11% of sodium carbonate, 5% of calcined kaolin, 12% of potassium carbonate and 14% of alumina.
The preparation method of the metal glaze comprises the following steps:
step S11, preparing self-made high phosphorus clinker powder: weighing the materials according to the formula of the self-made high-phosphorus clinker powder, uniformly mixing the weighed raw materials in a mixer, melting the raw materials in a high-temperature clinker furnace, wherein the heating rate in the melting process is 10 ℃ per minute, the highest temperature is 1050 ℃ and the heat preservation time is 2 hours, immediately discharging the melted mass after stopping heat preservation, quenching, grinding the glass block obtained by quenching until no residue is left after the glass block passes through a 325-mesh sieve, and thus obtaining the self-made high-phosphorus clinker powder.
Step S12, preparing metal glaze: weighing the materials according to the formula of the metal glaze, grinding the weighed raw materials in a vibration mill until the powder completely passes through a 325-mesh sieve to obtain the metal glaze.
The application method of the metal glaze in the ceramic rock plate comprises the following steps:
step S21 preparing a metal glaze slip: mixing the metal glaze and the roller printing paste according to the mass ratio of 1: 0.6, mixing and stirring at high speed, adjusting the flow rate of the glaze slip by water after stirring uniformly, wherein the flow rate is required to be 90-100s, and obtaining the metal glaze slip. See example 1 for the roll paste and the procedure for its preparation.
Step S22, preparing a ceramic rock plate: drying the blank, applying a surface glaze, spraying ink to print a pattern layer, applying metal glaze slip by adopting a roller printing process, and then spraying ink to print a digital protective glaze, wherein the ink-jet amount of the digital protective glaze is 14g/m2And baking at 1200 ℃ for 60min after drying to obtain the ceramic rock plate with the three-dimensional and golden metallic luster effect.
Example 3
The metal glaze of the embodiment comprises the following raw materials in percentage by weight:
34% of albite, 10% of quartz, 16% of calcined kaolin, 4% of calcined zinc oxide, 23% of calcined iron phosphate and 13% of self-made high-phosphorus clinker powder.
The self-made high-phosphorus clinker powder comprises the following raw materials in percentage by weight: 30% of aluminum dihydrogen phosphate, 25% of ground phosphate rock, 15% of sodium carbonate, 5% of calcined kaolin, 15% of potassium carbonate and 10% of aluminum oxide.
The preparation method of the metal glaze comprises the following steps:
step S11, preparing self-made high phosphorus clinker powder: weighing the materials according to the formula of the self-made high-phosphorus clinker powder, uniformly mixing the weighed raw materials in a mixer, melting the raw materials in a high-temperature clinker furnace, wherein the temperature rise speed in the melting process is 10 ℃ per minute, the highest temperature is 1060 ℃, the heat preservation time is 5 hours, immediately discharging the melted melt after stopping heat preservation, quenching, grinding the glass lumps obtained after quenching until no residue is left after the glass lumps pass through a 325-mesh sieve, and thus the self-made high-phosphorus clinker powder is obtained.
Step S12, preparing metal glaze: weighing the materials according to the formula of the metal glaze, grinding the weighed raw materials in a vibration mill until the powder completely passes through a 325-mesh sieve to obtain the metal glaze.
The application method of the metal glaze in the ceramic rock plate comprises the following steps:
step S21, preparing metal glaze slip: mixing the metal glaze and the roller printing paste according to the mass ratio of 1: 0.6, mixing and stirring at high speed, adjusting the flow rate of the glaze slip by water after stirring uniformly, wherein the flow rate is required to be 90-100s, and obtaining the metal glaze slip. See example 1 for the roll paste and the procedure for its preparation.
Step S22, preparing a ceramic rock plate: drying the blank, applying a surface glaze, spraying ink to print a pattern layer, applying metal glaze slip by adopting a roller printing process, and then spraying ink to print a digital protective glaze, wherein the ink-jet amount of the digital protective glaze is 10g/m2And baking at 1250 ℃ for 55min after drying to obtain the ceramic rock plate with the three-dimensional and black gold metallic luster effect.
Example 4
The metal glaze of the embodiment comprises the following raw materials in percentage by weight:
30% of albite, 10% of quartz, 12% of calcined kaolin, 6% of calcined zinc oxide, 22% of calcined iron phosphate and 20% of self-made high-phosphorus clinker powder.
The self-made high-phosphorus clinker powder comprises the following raw materials in percentage by weight: 49% of aluminum dihydrogen phosphate, 10% of ground phosphate rock, 10% of sodium carbonate, 11% of calcined kaolin, 10% of potassium carbonate and 10% of alumina.
The preparation method of the metal glaze comprises the following steps:
step S11, preparing self-made high phosphorus clinker powder: weighing the materials according to the formula of the self-made high-phosphorus clinker powder, uniformly mixing the weighed raw materials in a mixer, melting the raw materials in a high-temperature clinker furnace, wherein the heating rate in the melting process is 10 ℃ per minute, the highest temperature is 1100 ℃, the heat preservation time is 3 hours, immediately discharging the melted mass after stopping heat preservation, quenching, grinding the glass block obtained by quenching until no residue is left after the glass block passes through a 325-mesh sieve, and thus obtaining the self-made high-phosphorus clinker powder.
Step S12, preparing metal glaze: weighing the materials according to the formula of the metal glaze, grinding the weighed raw materials in a vibration mill until the powder completely passes through a 325-mesh sieve to obtain the metal glaze.
The application method of the metal glaze in the ceramic rock plate comprises the following steps:
step S21, preparing metal glaze slip: mixing the metal glaze and the roller printing paste according to the mass ratio of 1: 0.5, mixing and stirring at high speed, adjusting the flow rate of the glaze slip by water after stirring uniformly, wherein the flow rate is required to be 90-100s, and obtaining the metal glaze slip. See example 1 for the roll paste and the procedure for its preparation.
Step S22, preparing a ceramic rock plate: drying the blank, applying a cover glaze, spraying ink to print a pattern layer, applying metal glaze slip by adopting a roller printing process, and then spraying ink to print a digital protective glaze, wherein the ink-jet amount of the digital protective glaze is 13g/m2And baking at 1180 ℃ for 65min after drying to obtain the ceramic rock plate with the three-dimensional and rose gold metallic luster effect.
Example 5
The metal glaze, the preparation method and the application method in the ceramic rock plate of the embodiment refer to the embodiment 4, and the difference from the embodiment 4 is that:
in this example, in step S22, the firing temperature of the ceramic slate was 1190 ℃.
Example 6
The metal glaze, the preparation method and the application method in the ceramic rock plate of the embodiment refer to the embodiment 4, and the difference from the embodiment 4 is that:
in this example, in step S22, the firing temperature of the ceramic rock plate was 1205 ℃.
Comparative example 1
A metallic glaze of this comparative example, a method for preparing the same and a method for applying the same to a ceramic rock plate are referred to in example 5, which is different from example 5 in that:
the metal glaze of the comparative example does not contain the self-made high-phosphorus nugget powder.
Comparative example 2
A metallic glaze of this comparative example, a method for preparing the same and a method for applying the same to a ceramic rock plate are referred to example 6, which is different from example 6 in that:
the metal glaze of the comparative example does not contain the self-made high-phosphorus nugget powder.
Performance testing
The ceramic rock boards of examples 1 to 6 and comparative examples 1 to 2 were subjected to test analysis using a gloss meter and a color difference meter, and the test results are shown in the following table 1:
TABLE 1
Note: l denotes the lightness (luminesitivity), a denotes the range from magenta to green, b denotes the range from yellow to blue, and the ranges of a and b are from +127 to-128.
The test results in table 1 show that: when the metal glaze formula does not contain the self-made high-phosphorus clinker powder, the metal effect (including glossiness and metal color) of the ceramic rock plate is greatly influenced by the firing temperature (as in comparative examples 1-2); when the homemade high-phosphorus clinker powder is added into the metal glaze formula, the metal effect of the ceramic rock plate is slightly influenced by the firing temperature (as in examples 4-6). The self-made high-phosphorus clinker powder in the metal glaze has a promoting effect on the crystallization of the metal glaze, so that the metal glaze is easier to show obvious metal luster, the stability of the metal effect of the metal glaze can be ensured, the use temperature range of the metal glaze is greatly widened, and the goodness of ceramic rock plate products is greatly improved.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.
The technical solutions provided by the present invention are described in detail above, and the principle and the implementation of the present invention are explained in this document by applying specific examples, and the descriptions of the above examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (9)
1. The metal glaze is characterized by comprising the following raw materials in percentage by weight:
30 to 37 percent of albite
8 to 15 percent of quartz
0 to 4 percent of wollastonite
Calcined kaolin 9-16%
4 to 6 percent of calcined zinc oxide
Calcined iron phosphate 19-23%
Self-made high-phosphorus clinker powder 13-20%;
the self-made high-phosphorus clinker powder comprises the following raw materials in percentage by weight:
30 to 49 percent of aluminum dihydrogen phosphate
10 to 25 percent of ground phosphate rock
Sodium carbonate 10-15%
Calcined kaolin 5-11%
10 to 15 percent of potassium carbonate
10-14% of alumina.
2. The metallic glaze according to claim 1, wherein the fineness of the self-made high-phosphorus clinker powder is less than or equal to 325 mesh.
3. The metal glaze according to any one of claims 1-2, wherein the metal glaze has a color of platinum, gold, rose gold or black gold.
4. A method for producing a metallic glaze according to any one of claims 1 to 3, comprising the steps of:
step S11, preparing self-made high phosphorus clinker powder: weighing materials according to the formula of the self-made high-phosphorus clinker powder, uniformly mixing the weighed raw materials, melting at high temperature, discharging a melt, quenching, and grinding a glass lump obtained by quenching to obtain the self-made high-phosphorus clinker powder;
step S12, preparing metal glaze: weighing the materials according to the formula of the metal glaze, and grinding the weighed raw materials to obtain the metal glaze.
5. The method as claimed in claim 4, wherein in step S11, the temperature of the high-temperature melting is 1000-1100 ℃, and the holding time is 2-5 h;
in the step S12, the fineness of the metal glaze is less than or equal to 325 meshes.
6. A method for applying a metallic glaze according to any one of claims 1 to 3 to the preparation of a ceramic rock plate, comprising the following application steps:
step S21, preparing metal glaze slip: mixing and stirring the metal glaze and the roller printing paste uniformly according to the mass ratio, and then adjusting the flow rate of the glaze slip by using water to obtain metal glaze slip;
step S22, preparing a ceramic rock plate: and applying the metal glaze slip on the surface of the pretreated blank by adopting a roller printing process, then carrying out ink-jet printing on the digital protective glaze, drying and firing to obtain the ceramic rock plate.
7. The method for applying a metal glaze according to claim 6, wherein in step S21, the roller paste is a mixture of ethylene glycol, polyethylene glycol 400, epoxy resin, EVA emulsion, carboxymethyl cellulose and water.
8. The method for applying a metal glaze according to claim 6 or 7, wherein in the step S21, the metal glaze and the roller paste are mixed in a mass ratio of 1: 0.5-0.6.
9. The method for applying a metallic glaze according to claim 6, wherein in step S22, the ink-jet amount of the digital protective glaze is 10-20g/m2The firing temperature after drying is 1180-1250 ℃ and the firing time is 55-70 min.
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