CN113860736B - Full-polished glaze and ceramic tile with iridescent glittering effect, and preparation method and application thereof - Google Patents
Full-polished glaze and ceramic tile with iridescent glittering effect, and preparation method and application thereof Download PDFInfo
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- CN113860736B CN113860736B CN202111471525.XA CN202111471525A CN113860736B CN 113860736 B CN113860736 B CN 113860736B CN 202111471525 A CN202111471525 A CN 202111471525A CN 113860736 B CN113860736 B CN 113860736B
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
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- C—CHEMISTRY; METALLURGY
- 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
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5022—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with vitreous materials
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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
- C04B41/85—Coating or impregnation with inorganic materials
- C04B41/86—Glazes; Cold glazes
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Abstract
A full-polished glaze and a ceramic tile with iridescent glittering effect, a preparation method and application thereof belong to the field of ceramic glaze, and the full-polished glaze comprises the following raw materials: transparent base glaze and zircon sand; the particle size of the zircon sand is 60-160 meshes; the chemical components of the transparent base glaze comprise: 45-50% of SiO27 to 10% of Al2O38-12% CaO, 1-3% MgO, 0-1% K2O, 3-6% of Na2O, 10-14% ZnO, 5-9% BaO and SrO. The preparation method of the full-polished glaze is used for preparing the full-polished glaze; the ceramic tile is prepared by the preparation method of the full-glazed ceramic tile. In the fully-polished glaze with the iridescent glittering effect after the fully-polished glaze is fired, the zircon sand particles interact with the transparent base glaze at high temperature to be fired to form the iridescent glittering effect with various colors, and the problem that the glittering effect of the ceramic tile in the prior art is too single is solved.
Description
Technical Field
The invention relates to the technical field of ceramic glaze, in particular to a fully-polished glaze and a ceramic tile with iridescent glittering effect, and a preparation method and application thereof.
Background
Glazed tiles are revolutionary products, and have become the most popular product for porcelain tiles due to their surface modification effect far superior to that of polished tiles. How to further improve the performance of the glazed tile product and increase the differentiation of the product is a key point of the development of the current ceramic building material industry. However, the existing polishing products having glitter effect need to be produced using dry particles. The dry granules are prepared by mixing raw materials for glaze, then carrying out high-temperature melting, water quenching, drying, crushing and screening. The particle size of the dry particles is also required, and the fine dry particle powder needs to be melted again at high temperature. Therefore, the production of dry granules consumes a large amount of energy and does not meet the requirement of carbon neutralization.
Disclosure of Invention
The invention aims to provide a full-polished glaze with an iridescent flash effect, wherein zircon sand particles interact with a transparent base glaze at high temperature to be fired to form the iridescent flash effect with various colors, so that the problem that the flash effect of a ceramic tile in the prior art is too single and expensive and energy-consuming dry particles are needed to be used is solved.
The invention also provides a preparation method of the full-polished glaze with the iridescent flash effect, which is used for preparing the full-polished glaze with the iridescent flash effect.
The invention also provides a preparation method of the full-polished glazed ceramic tile with the iridescent glittering effect, which is used for distributing the full-polished glaze prepared by the preparation method of the full-polished glaze on the surface of a ceramic green body, and polishing and edging the full-polished glaze after sintering to prepare the full-polished glazed ceramic tile with the iridescent glittering effect.
The invention also provides a fully-polished glazed ceramic tile with iridescent flash effect, which is prepared by the preparation method of the fully-polished glazed ceramic tile with iridescent flash effect.
The invention also provides the application of the full-polished glaze in the preparation of the full-polished glazed ceramic tile with the iridescent glittering effect.
In order to achieve the purpose, the invention adopts the following technical scheme:
a full-polished glaze with iridescent glittering effect comprises the following raw materials: transparent base glaze and zircon sand;
the particle size of the zircon sand is 60-160 meshes;
the transparent base glaze comprises the following chemical components in percentage by mass: 45-50% of SiO27 to 10% of Al2O38-12% CaO, 1-3% MgO, 0-1% K2O, 3-6% of Na2O, 10-14% of ZnO, 5-9% of BaO and SrO, and 7-11% of ignition loss.
Preferably, the raw materials of the transparent base glaze comprise, by mass: 40-50% of albite, 14-18% of wollastonite, 0-3% of quartz, 0-3% of calcite, 4-8% of dolomite, 10-14% of zinc oxide, 8-16% of combination of barite and celestite and 4-7% of washing kaolin.
Preferably, the chemical components of the albite comprise Na in percentage by mass2O content of 9% or more, K2The content of O is less than or equal to 1 percent.
More preferably, in the barite, the purity of barium sulfate is more than or equal to 85%; in the celestite, the purity of strontium sulfate is more than or equal to 85 percent.
Preferably, the zircon sand has a particle size of 80-120 meshes.
Preferably, the method further comprises the following steps: stamp-pad ink for increasing suspension;
the mass ratio of the dry material of the transparent basic glaze, the zircon sand and the stamp-pad ink is (7-8) to (1-2): 1.
a preparation method of the full-polished glaze with the iridescent glittering effect is used for preparing the full-polished glaze with the iridescent glittering effect, and comprises the following steps:
step (1): adding the transparent base glaze into a ball mill, adding water to control the solid content of the transparent base glaze, wherein the water adding amount can be determined according to actual conditions, the scheme can preferably control the solid content of the transparent base glaze to be more than 72% by adding water, adding a ball milling agent for ball milling, and aging to obtain transparent base glaze slip, wherein the ball milling fineness is 325 meshes and the residual is less than 0.2%;
step (2): mixing dry materials of the transparent base glaze, zircon sand and printing oil according to the mass ratio of (7-8) to (1-2) to 1, adding water, adjusting the specific gravity to be 1.85-1.95, and controlling the flow rate to be 30-60 s to obtain the full-polished glaze with the iridescent glittering effect.
A preparation method of a full-polished glazed ceramic tile with an iridescent glittering effect sequentially comprises the preparation method of the full-polished glaze with the iridescent glittering effect and the following steps:
and (3): applying a decorative layer on the surface of the dried and sprayed ceramic green body, and then applying the full-glazed cloth prepared in the step (2) on the ceramic green body in a glaze spraying manner, wherein the glaze spraying amount is 800-1400 g/m2Drying, firing by a kiln at a firing temperature of 1170 to E1210℃；
And (4): and polishing and edging the fired tile to obtain the full-polished glazed ceramic tile with iridescent glittering effect.
The fully-polished glazed ceramic tile with the iridescent glittering effect is prepared by the preparation method of the fully-polished glazed ceramic tile with the iridescent glittering effect.
The application of the fully-polished glaze in preparing the fully-polished glazed ceramic tile with the iridescent glittering effect uses the fully-polished glaze with the iridescent glittering effect.
The technical scheme provided by the invention can have the following beneficial effects:
in the fully-glazed ceramic tile with the iridescent glittering effect, zircon sand particles interact with the transparent base glaze at high temperature to be fired, crystals or glass phases with extremely large refractive indexes different from those of zircon sand are formed around the incompletely melted zircon sand, and light is reflected, refracted and scattered for multiple times in the area to form the iridescent glittering effect with multiple colors, so that the problem of single glittering effect of the ceramic tile in the prior art is solved, the surface differentiation of the light on the glazed ceramic tile is realized, and the integral ornamental value of the ceramic tile is improved. Meanwhile, the whole raw material is used as the raw material, and dry particles are not needed, so that the production cost is greatly reduced, and the requirement of carbon neutralization is met.
Drawings
Figure 1 is a standard schematic representation of a tile with an optimal iridescent sparkling effect.
Figure 2 is a standard schematic representation of a tile with good iridescent sparkling effect.
Figure 3 is a standard schematic representation of a tile having a general iridescent sparkling effect.
Figure 4 is a standard schematic representation of a tile having poor iridescent sparkling effect.
Figure 5 is a standard schematic view of a tile without iridescent sparkling effect.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical solution of the present solution is further explained by the following embodiments with reference to the accompanying drawings.
A full-polished glaze with iridescent glittering effect comprises the following raw materials: transparent base glaze and zircon sand;
the particle size of the zircon sand is 60-160 meshes;
the transparent base glaze comprises the following chemical components in percentage by mass: 45-50% of SiO27 to 10% of Al2O38-12% CaO, 1-3% MgO, 0-1% K2O, 3-6% of Na2O, 10-14% of ZnO, 5-9% of BaO and SrO, and 7-11% of ignition loss.
In the fully-glazed ceramic tile with the iridescent glittering effect, zircon sand particles interact with the transparent base glaze at high temperature to be fired, crystals or glass phases with extremely large refractive indexes different from those of zircon sand are formed around the incompletely melted zircon sand, and light is reflected, refracted and scattered for multiple times in the area to form the iridescent glittering effect with multiple colors, so that the problem of single glittering effect of the ceramic tile in the prior art is solved, the surface differentiation of the light on the glazed ceramic tile is realized, and the integral ornamental value of the ceramic tile is improved. Meanwhile, the whole raw material is used as the raw material, and dry particles are not needed, so that the production cost is greatly reduced, and the requirement of carbon neutralization is met.
Preferably, the raw materials of the transparent base glaze comprise, by mass: 40-50% of albite, 14-18% of wollastonite, 0-3% of quartz, 0-3% of calcite, 4-8% of dolomite, 10-14% of zinc oxide, 8-16% of combination of barite and celestite and 4-7% of washing kaolin.
Preferably, the chemical components of the albite comprise Na in percentage by mass2O content of 9% or more, K2Content of OLess than or equal to 1 percent.
In contrast to Na2O content of less than 9% and K2In the embodiment where the content of O is more than 1%, albite in the scheme can preferably limit the raw materials, namely in one preferred embodiment, Na2O content of 9% or more, K2The content of O is 1% or less, and the iridescent glittering effect of this example is better.
More preferably, in the barite, the purity of barium sulfate is more than or equal to 85%; in the celestite, the purity of strontium sulfate is more than or equal to 85 percent.
Barium sulfate and strontium sulfate are introduced into barite and celestite to serve as strong fluxing agents, the fluxing effect of the barite and celestite is obviously superior to that of barium carbonate or strontium carbonate which is used conventionally, the ripening temperature of glaze is reduced, and the iridescent flashing effect of full-polished glaze can be improved. The excessive introduction of barite or celestite also can produce devitrification crystallization, wherein in a most preferred embodiment, the purities of barium sulfate and strontium sulfate are controlled to be 95%, and the proper addition amount balances the fluxing property advantages of barium sulfate and strontium sulfate and the defects of devitrification crystallization. The purity of barium sulfate and strontium sulfate in barite and celestite may be 85%, 87%, or 90%, preferably 93%, and preferably 95%, more preferably 96%, further preferably 97% -98%, and most preferably 99-100%.
Preferably, the zircon sand has a particle size of 80-120 meshes.
The particle size of the zircon sand is not too small or too large, and if the particle size of the zircon sand is too small, the zircon sand can easily react with the transparent base glaze, most of the zircon sand is even completely melted in the transparent base glaze, so that the glittering effect is greatly reduced. If the grain diameter of the zircon sand is too large, the zircon sand is easy to precipitate in the glaze slip, and the glazing difficulty is large. Meanwhile, the diameter of zircon sand particles is too large, so that the transparent basic glaze layer can not completely cover zircon sand, obvious zircon sand salient points can appear after sintering, and the combination of the transparent basic glaze and zircon sand is also influenced.
Preferably, the method further comprises the following steps: stamp-pad ink for increasing suspension;
the mass ratio of the dry material of the transparent basic glaze, the zircon sand and the stamp-pad ink is (7-8) to (1-2): 1.
the stamp-pad ink is well known in the field of well-known ceramics, and comprises the following components in percentage by weight: 10 parts of ethylene glycol, 4 parts of cellulose, 2 parts of bentonite, 0.1 part of preservative, 2 parts of defoaming agent, 1 part of flatting agent, 1 part of dispersing agent, 1 part of surfactant and 78.9 parts of water.
A preparation method of the full-polished glaze with the iridescent glittering effect is used for preparing the full-polished glaze with the iridescent glittering effect, and comprises the following steps:
step (1): adding the transparent base glaze into a ball mill, adding water to control the solid content of the transparent base glaze, wherein the water adding amount can be determined according to actual conditions, the scheme can preferably control the solid content of the transparent base glaze to be more than 72% by adding water, adding a ball milling agent for ball milling, and aging to obtain transparent base glaze slip, wherein the ball milling fineness is 325 meshes and the residual is less than 0.2%;
the ball milling fineness is fine enough to ensure that the ripening temperature of the glaze is not too high; the ball grinding agent is a well-known ball grinding agent added as required in a ball grinding process, such as sodium tripolyphosphate and sodium carboxymethyl cellulose; in the scheme, sodium tripolyphosphate accounting for 0.1-0.3% of the total mass of the dry materials and sodium carboxymethylcellulose accounting for 0.1-0.2% of the total mass of the dry materials can be added.
Step (2): mixing dry materials of the transparent base glaze, zircon sand and printing oil according to the mass ratio of (7-8) to (1-2) to 1, adding water, adjusting the specific gravity to be 1.85-1.95, and controlling the flow rate to be 30-60 s to obtain the full-polished glaze with the iridescent glittering effect.
A preparation method of a full-polished glazed ceramic tile with an iridescent glittering effect sequentially comprises the preparation method of the full-polished glaze with the iridescent glittering effect and the following steps:
and (3): applying a decorative layer on the surface of the dried and sprayed ceramic green body, and then applying the full-glazed cloth prepared in the step (2) on the ceramic green body in a glaze spraying manner, wherein the glaze spraying amount is 800-1400 g/m2Drying, and firing by using a kiln at the firing temperature of 1170-1210 ℃;
in this step, the glaze spraying amount is 800-1400 g/m2The glaze spraying amount is2-3 times of the common full-polished glaze, namely, the zircon sand can be basically covered by the basic transparent glaze, so that the zircon sand is prevented from having a convex point defect; firstly, in order to form a thicker transparent glaze layer, the light is beneficial to sufficient reflection, refraction and scattering, and an obvious iridescent glittering effect is formed.
In the step (3), the decorative layer can be constructed in a known manner that the decorative layer is formed on the surface of the ceramic, for example, the decorative layer is subjected to surface modification by methods including digital ink jet, screen printing, roller printing and the like.
And (4): and polishing and edging the fired tile to obtain the full-polished glazed ceramic tile with iridescent glittering effect.
The fully-polished glazed ceramic tile with the iridescent glittering effect is prepared by the preparation method of the fully-polished glazed ceramic tile with the iridescent glittering effect.
The application of the fully-polished glaze in preparing the fully-polished glazed ceramic tile with the iridescent glittering effect uses the fully-polished glaze with the iridescent glittering effect.
Example A
Example A1
The transparent base glaze comprises the following chemical components in percentage by mass: 45.80% SiO29.70% of Al2O39.78% CaO, 1.54% MgO, 0.31% K2O, 4.19% of Na2O, 11.84% ZnO, 4.41% BaO, 2.70% SrO, and the balance loss on ignition.
The purity of barium sulfate in the barite is 95 percent; the purity of strontium sulfate in celestite is 95%, and Na of albite2O content 9.30%, K2The O content is 0.01 percent; the particle size of the zircon sand is between 80 and 120 meshes, wherein the 80 to 90 meshes are 30 percent, the 90 to 110 meshes are 50 percent, and the 110-120 meshes are 20 percent by mass percent;
and mixing the dry material amount of the transparent base glaze, the zircon sand and the printing oil according to the mass ratio of 8:1: 1.
Example A2
The transparent base glaze comprises the following chemical components in percentage by mass: 45.80% SiO29.70% of Al2O39.78% CaO, 1.54% MgO, 0.31% K2O, 4.19% of Na2O, 11.84% ZnO, 4.41% BaO, 2.70% SrO, and the balance loss on ignition.
The purity of barium sulfate in the barite is 95 percent; the purity of strontium sulfate in celestite is 95%, and Na of albite2O content 9.30%, K2The O content is 0.01 percent; the particle size of the zircon sand is between 60 and 90 meshes; wherein, according to the mass percentage, the 60-70 meshes are 30 percent, the 70-80 meshes are 50 percent, and the 80-90 meshes are 20 percent;
and mixing the dry material amount of the transparent base glaze, the zircon sand and the printing oil according to the mass ratio of 8:1: 1.
Example A3
The transparent base glaze comprises the following chemical components in percentage by mass: 45.80% SiO29.70% of Al2O39.78% CaO, 1.54% MgO, 0.31% K2O, 4.19% of Na2O, 11.84% ZnO, 4.41% BaO, 2.70% SrO, and the balance loss on ignition.
The purity of barium sulfate in the barite is 95 percent; the purity of strontium sulfate in celestite is 95%, and Na of albite2O content 9.30%, K2The O content is 0.01 percent; the particle size of the zircon sand is between 100-160 meshes; wherein, the content of 100-120 meshes is 30%, the content of 120-140 meshes is 50%, and the content of 140-160 meshes is 20% by mass percentage;
and mixing the dry material amount of the transparent base glaze, the zircon sand and the printing oil according to the mass ratio of 8:1: 1.
Example A4
The transparent base glaze comprises the following chemical components in percentage by mass: 49.84% SiO27.18% of Al2O312.01 percent of CaO, 1.32 percent of MgO and 0.89 percent of K2O, 3.00% of Na2O, 12.81% ZnO, 2.26% BaO, 3.33% SrO, and the balance loss on ignition.
The purity of barium sulfate in the barite is 95 percent; the purity of strontium sulfate in celestite is 95%, and Na of albite2O content 9.30%, K2The O content is 0.01 percent; the particle size of the zircon sand is between 80 and 120 meshes, wherein the 80 to 90 meshes are 30 percent, the 90 to 110 meshes are 50 percent, and the 110-120 meshes are 20 percent by mass percent;
the dry material amount of the transparent base glaze, the zircon sand and the stamp-pad ink are mixed according to the mass ratio of 7:2: 1.
Comparative example A1
The transparent base glaze comprises the following chemical components in percentage by mass: 45.80% SiO29.70% of Al2O39.78% CaO, 1.54% MgO, 0.31% K2O, 4.19% of Na2O, 11.84% ZnO, 4.41% BaO, 2.70% SrO, and the balance loss on ignition.
The purity of barium sulfate in the barite is 95 percent; the purity of strontium sulfate in celestite is 95%, and Na of albite2O content 9.30%, K2The O content is 0.01 percent; the particle size of the zircon sand is between 100 meshes and 200 meshes; wherein, by mass percentage, 100-130 meshes are 20%, 130-160 meshes are 40%, 160-190 meshes are 20%, and 190-200 meshes are 20%;
and mixing the dry material amount of the transparent base glaze, the zircon sand and the printing oil according to the mass ratio of 8:1: 1.
Comparative example A2
The transparent base glaze comprises the following chemical components in percentage by mass: 45.80% SiO29.70% of Al2O39.78% CaO, 1.54% MgO, 0.31% K2O, 4.19% of Na2O, 11.84% ZnO, 4.41% BaO, 2.70% SrO, and the balance loss on ignition.
The purity of barium sulfate in the barite is 95 percent; the purity of strontium sulfate in celestite is 95%, and Na of albite2O content 9.30%, K2The O content is 0.01 percent; the particle size of the zircon sand is 30 meshes to 60 meshes; wherein, according to the mass percentage, 30 to 40 meshes are 30 percent, 50 percent is 40 to 50 meshes are 50 percent, and 20 percent is 50 to 60 meshes;
and mixing the dry material amount of the transparent base glaze, the zircon sand and the printing oil according to the mass ratio of 8:1: 1.
The raw materials of the transparent base glaze in the above examples A1-A3 and comparative examples A1-A2 were subjected to the following steps;
1) the transparent basic glaze weigh materials of the examples A1-A3 and the comparative examples A1-A2 are added into a ball mill, water is added to control the solid content to be 72 percent, sodium tripolyphosphate with the dry material content of 0.3 percent and sodium carboxymethyl cellulose with the dry material content of 0.2 percent are added for ball milling, the ball milling fineness is 0.19 percent of the residual of a 325-mesh sieve, and the transparent basic glaze slurry is prepared after the materials are aged.
2) Mixing the dry material amount of the transparent base glaze, the zircon sand and the dry grain printing oil according to the mass ratio of 8:1:1, adding a small amount of water, adjusting the specific gravity to 1.92, and obtaining the full-raw glaze-polishing slurry with the flow rate of 45 s.
3) Applying a layer of cosmetic clay on the surface of a ceramic green body with the thickness of 900 x 900mm after drying and spraying water, performing surface modification by adopting digital ink jet, and applying full-raw glaze-polishing glaze slip on the green body by using a bell jar glaze spraying mode, wherein the glaze spraying amount of each tile blank is 950g, and the converted dry material amount is 820g/m2And drying, and firing by using a kiln at the firing temperature of 1190 ℃ for 65 minutes.
4) And polishing and edging the fired tile to obtain the full-glazed ceramic tile with iridescent glittering effect.
The fully polished tiles obtained above were observed as in table 1.
Description of the drawings:
1. comparing comparative example A1 with example A1, it can be seen that the zircon sand used in comparative example A1 has a grain size of 100 to 200 meshes; compared with the example A1, the iridescent flash block on the brick surface is obviously reduced, the permeability is reduced, and the glaze layer has more bubbles; this is because the small particle size zircon sand of comparative example a1 is susceptible to opacifying effects in the glaze; meanwhile, the reduction of the grain size of the zircon sand of the comparative example A1 can cause the zircon sand to be easier to be completely melted in the glaze, and no more zircon sand crystals can be remained after high-temperature firing, so that the flash effect is poor, therefore, the comparative example A1 has the phenomena that a glaze layer is slightly frosted, almost no iridescent flash exists, only punctiform flash exists, and pores on the glaze surface are large.
2. As is clear from comparison of comparative example A2 with example A1, the zircon sand used in comparative example A2 has a grain size of 30 to 60 mesh; because the grain size of the zircon sand is too large, the zircon sand of the embodiment A2 is easy to precipitate in the glaze slip, on one hand, the glazing difficulty is higher, on the other hand, the transparent basic glaze layer can not completely cover the zircon sand, obvious zircon sand salient points can appear after sintering, the combination of the transparent basic glaze and the zircon sand is influenced, and the glaze surface has no iridescent flash effect.
3. Compared with the examples A2-A3, the example A1 of the embodiment A1 has the particle size of zircon sand between 80 and 120 meshes, and the particle size of zircon sand is not too large or too small in the interval, so that the final glaze surface has the best effect, a large number of iridescent flash blocks appear on the glaze surface, and pores of the glaze surface are few;
the zircon sand of example a2 has a particle size of between 60 and 90 mesh; the zircon sand of example A3 has a particle size of between 100-160 mesh, and examples A2 and A3 also have more iridescent lumps with less pores on the glaze, but the iridescent lumps are not as much as in example A, but are still better examples.
Example B: example B is essentially the same as example A1, except that in the preparation of the ceramic, example B had 1228g of glaze sprayed on each green brick, which was converted to 1060g/m of dry material2。
Comparative example B: comparative example B is essentially the same as example A1, except that comparative example B shows 475g of glaze pouring per green brick in the preparation of ceramics, converted to 410g/m dry matter2。
Example B was observed with comparative example B as in table 2.
Description of the drawings:
1. example B the amount of glaze sprayed on each green brick was 1228g, converted to 1060g/m dry matter2The glaze spraying amount is 800-1400 g/m2Thus, the embodiment B has the same glaze effect as the embodiment a1, and a large number of iridescent flash blocks appear, and the glaze has a small number of pores, as shown in fig. 1.
2. As can be seen from comparison of comparative example B with example A1, the glaze spraying amount of comparative example B in the preparation of ceramics is 475g per green brick, and the amount of the converted dry material is 410g/m2The glaze spraying amount is too low, the brick surface almost has no iridescent flash effect, and only a littleThe shaped zircon sand glistens; this is because the glaze pour is too thin and the transparent base glaze cannot substantially cover the zircon sand particles; meanwhile, the glaze layer is too thin due to too low glaze spraying amount, which is not beneficial to multiple reflection, refraction and scattering of light; further, the glaze is overfire and pores are increased due to the fact that the glaze is sprayed to be too thin; therefore, the glaze of comparative example B had almost no iridescent glitter, only punctiform glitter, and had many pores.
Example C
Example C1: example C1 is the same as example A1, and the transparent base glaze used in example A1 comprises: 45% of albite, 16% of wollastonite, 1% of quartz, 2% of calcite, 6% of dolomite, 12% of zinc oxide, 7% of barite, 5% of celestite and 6% of washed kaolin.
Example C2: substantially the same as in example C1, except that the transparent base glaze of example C2 comprises: 50% of albite, 14% of wollastonite, 7% of dolomite, 10% of zinc oxide, 8% of barite, 6% of celestite and 5% of washed kaolin.
Example C3: example C3 is essentially the same as example C1 except that in example C3 Na is used2O content of 8.70% and K2Albite with an O content of 2.63% instead of Na in example C12O content 9.30% and K2Albite with O content of 0.01%.
Comparative example C1: comparative example C1 is substantially the same as example C1 except that comparative example C1 uses barium carbonate instead of barite and strontium carbonate instead of celestite, and the transparent base glaze has the following raw materials: 45% of albite, 16% of wollastonite, 1% of quartz, 2% of calcite, 6% of dolomite, 12% of zinc oxide, 7% of barium carbonate, 5% of strontium carbonate and 6% of washed kaolin.
Examples C1-C4 and comparative example C1 were observed as in Table 3.
Description of the drawings:
1. the transparent base glaze is used in the embodiments C1 and C2, and the raw materials of the transparent base glaze are within the specified content, so the glaze effects of the embodiments C1 and C2 are optimal, a large number of iridescent flash blocks are formed, and the pores of the glaze are small, as shown in figure 1.
2. Comparison of example C3 with example C1 shows that example C3 uses Na2O content of 8.70% and K2Albite with O content of 2.63% replaces Na in example C12Albite with an O content of 9.30, while Na is used2O content of 9% by weight, K2The content of O is more than 1 percent, which causes the reduction of iridescent glittering effect, the number of the multi-iridescent glittering blocks is less than that of the embodiment C1, but the iridescent glittering effect is still achieved, and the method is also one embodiment of the scheme.
3. Comparing comparative example C1 with example C1, it can be seen that the barium carbonate and strontium carbonate added in comparative example C1 result in a small amount of iridescent flash blocks on the brick surface, the glaze surface has many pores, and the glaze layer has poor permeability; compared with example C1 in which barite and celestite were added, barium carbonate and strontium carbonate of comparative example C1 exhibited a poor fluxing effect, resulting in a glaze with a higher ripening temperature, a reduced vitrification of the glaze layer, and a reduced permeability.
Example D:
example D1: essentially the same as example A1, except that the dry amount of clear base glaze, zircon sand and dry granular printing oil of example D1 were mixed in a mass ratio of 7:2: 1.
Example D2: essentially the same as example A1, except that the dry amount of clear base glaze, zircon sand and dry granular printing oil of example D2 were mixed in a mass ratio of 5:2: 1.
Example D3: substantially the same as in example A1, except that in example D2 the dry amount of clear base glaze, zircon sand and dry granular printing oil were mixed in a mass ratio of 10:2: 1.
Description of the drawings:
comparing examples D2-D3 with example D1, it can be seen that the mass ratio of the dry material, zircon sand and dry granular printing oil of the transparent base glaze of example D2 and example D3 exceeds (7-8) to (1-2): 1, the dry matter content of the transparent base glaze of example D2 was too low, resulting in a decrease in the amount of color flash blocks; the dry content of the transparent base glaze of example D3 was too high, but the dry content of the transparent base glaze was increased compared to that of example D1, and instead the amount of iridescent glitters was decreased; the mass ratio of dry materials of the transparent basic glaze, the zircon sand and the dry grain printing oil is (7-8) to (1-2): 1, the glaze effect is best.
The technical principle of the present solution is described above with reference to specific embodiments. These descriptions are only used to explain the principles of the present solution and should not be interpreted in any way as limiting the scope of the present solution. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present solution without any inventive effort, which would fall within the scope of the present solution.
Claims (9)
1. The full-polished glaze with the iridescent glittering effect is characterized by comprising the following raw materials: transparent base glaze and zircon sand;
the particle size of the zircon sand is 60-160 meshes;
the transparent base glaze comprises the following chemical components in percentage by mass: 45-50% of SiO27 to 10% of Al2O38-12% CaO, 1-3% MgO, 0-1% K2O, 3-6% of Na2O, 10-14% of ZnO, 5-9% of BaO and SrO and 7-11% of loss on ignition;
the transparent base glaze comprises the following raw materials in percentage by mass: 40-50% of albite, 14-18% of wollastonite, 0-3% of quartz, 0-3% of calcite, 4-8% of dolomite, 10-14% of zinc oxide, 8-16% of combination of barite and celestite and 4-7% of washing kaolin.
2. The fully-polished glaze with iridescent glittering effect according to claim 1, wherein the albite comprises the chemical components of Na in percentage by mass2O content of 9% or more, K2The content of O is less than or equal to 1 percent.
3. The fully polished glaze with the iridescent glittering effect according to claim 1, wherein the purity of barium sulfate in the barite is greater than or equal to 85%; in the celestite, the purity of strontium sulfate is more than or equal to 85 percent.
4. The fully polished glaze with iridescent glittering effect according to claim 1, wherein the zircon sand has a particle size of 80-120 meshes.
5. The fully polished glaze with iridescent glitter effect according to claim 1, which further comprises: stamp-pad ink for increasing suspension;
the mass ratio of the dry material of the transparent basic glaze, the zircon sand and the stamp-pad ink is (7-8) to (1-2): 1.
6. a method for preparing the full-polished glaze with iridescent glittering effect, which is used for preparing the full-polished glaze with iridescent glittering effect according to any one of claims 1 to 5, and comprises the following steps:
step (1): adding the transparent base glaze into a ball mill, adding water to control the solid content of the transparent base glaze, adding a ball milling agent for ball milling, and aging to obtain transparent base glaze slip, wherein the ball milling fineness is 325 meshes and the residual content is less than 0.2%;
step (2): mixing dry materials of the transparent base glaze, zircon sand and printing oil according to the mass ratio of (7-8) to (1-2) to 1, adding water, adjusting the specific gravity to be 1.85-1.95, and controlling the flow rate to be 30-60 s to obtain the full-polished glaze with the iridescent glittering effect.
7. A method for preparing a fully-glazed ceramic tile with iridescent glittering effect, which is characterized by comprising the method for preparing the fully-glazed ceramic tile with iridescent glittering effect according to claim 6 and the following steps:
and (3): applying a decorative layer on the surface of the dried and sprayed ceramic green body, and then applying the full-glazed cloth prepared in the step (2) on the ceramic green body in a glaze spraying manner, wherein the glaze spraying amount is800 to 1400g/m2Drying, and firing by using a kiln at the firing temperature of 1170-1210 ℃;
and (4): and polishing and edging the fired tile to obtain the full-polished glazed ceramic tile with iridescent glittering effect.
8. A fully-polished glazed ceramic tile with iridescent glittering effect, which is prepared by the preparation method of the fully-polished glazed ceramic tile with iridescent glittering effect according to claim 7.
9. Use of a fully-polished glaze for the preparation of a fully-polished glazed ceramic tile with iridescent glitter effect, wherein a fully-polished glaze with iridescent glitter effect according to any one of claims 1 to 5 is used.
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| CN116023029B (en) * | 2023-01-28 | 2023-06-30 | 广东宏陶陶瓷有限公司 | Preparation method of pearl dry particles, pearl glaze and pearl glazed tile |
| CN116161974B (en) * | 2023-02-22 | 2024-02-27 | 宜兴市金其节能科技有限公司 | Modified compact refractory brick for plasma melting furnace and preparation method |
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