CN114644530B - One-glaze two-side ceramic rock plate, one-glaze two-side transparent glaze and preparation method thereof - Google Patents
One-glaze two-side ceramic rock plate, one-glaze two-side transparent glaze and preparation method thereof Download PDFInfo
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- 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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- C03—GLASS; MINERAL OR SLAG WOOL
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- 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
- C03C8/04—Frit compositions, i.e. in a powdered or comminuted form containing zinc
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- 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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- 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
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Abstract
The invention relates to a glaze double-sided ceramic rock plate, a glaze double-sided transparent glaze and a preparation method thereof. The glazed double-sided ceramic rock plate sequentially comprises from bottom to top: a body layer, a bottom glaze layer, an ink-jet decoration layer, a rubber roller ink-printing protection layer and a glaze two-sided transparent glaze layer. The glaze double-side transparent glaze comprises the following components in percentage by weight: 6.06% of lithium porcelain stone, 3.03% of calcined zinc oxide, 15.15% of sodalite powder, 7.07% of dolomite, 30.30% of DW transparent frit, 20.20% of GW transparent frit, 2.02% of barium carbonate, 3.03% of strontium carbonate, 8.09% of kaolin, 2.02% of corundum powder and 3.03% of superfine quartz powder. According to the invention, through adjusting the proportion of the GW transparent frit and the DW transparent frit, a glaze layer with stable color gamut, 8-20 degrees of glossiness, good transparency and fine and smooth hand feeling is obtained after firing, and the polishing condition is met.
Description
Technical Field
The invention belongs to the technical field of ceramic rock plates, and particularly relates to a glaze double-sided ceramic rock plate, a glaze double-sided transparent glaze and a preparation method thereof.
Background
With the continuous upgrade of the requirements of people on living quality, ceramic rock plates become main decoration materials for home decoration or engineering application, the glaze texture of the ceramic rock plate products in China at present mainly comprises two types of polished surfaces and matt surfaces, and in the application process of the ceramic rock plate products, in order to realize the individuality of consumers or different design concepts and meet the difference of application scenes, the polished ceramic rock plates and the matt ceramic rock plates are usually matched for use, so that two rock plate products with the same pattern, different color numbers and different glaze textures are required.
However, at present, the polished rock plate usually adopts a dry particle method glazing process, wherein the dry particle method glazing process comprises the following steps: drying biscuit → spraying ground glaze → ink-jet printing → spraying protective glaze → dry-method cloth dry-grain → spraying fixing glue → drying → kiln burning → polishing → edging → graded packing; the wet dry granulation process flow comprises the following steps: drying biscuit → spraying ground glaze → ink-jet printing → spraying dry grain glaze → drying → kiln burning → polishing → edging → grading and packaging. The dry grain glazing process has the advantages of large glazing amount, good glaze surface flatness, strong permeability and the like for polished rock plates, and has the defects that the dry grain process easily generates glaze defects such as bubbles, pinholes and the like due to large glazing amount, and dry grain process products have high requirements on glazing equipment and kiln firing, blank glaze matching performance and operation flow, in addition, the dry grain cost is high, and the factors such as low survival rate and excellent rate in the manufacturing process of the dry grain rock plates severely restrict the wide popularization of the polished rock plates. The present matt rock plate products produced at home and abroad mainly use a digital ink-jet process, and the main process flow is as follows: dry biscuit → jet printing white ink → jet printing color ink → jet printing digital ink → firing → edging → graded packaging. However, most of the ceramic rock plate processes are Italian technology, and although some domestic manufacturers introduce Italian technology on the whole line, the ceramic rock plate processes have no independent property right, and the digital ink consumption is large, so that the manufacturing cost is high. Although domestic ceramic ink enterprises strengthen autonomous research and development in recent two years, the core technology and the main market are still firmly mastered by foreign enterprises.
The polishing type and matte type ceramic rock boards produced by the two process types have the advantages that the glazing process and the production process are completely different, the difference of the color generation color gamut of ink is large, the color tone variation and the layering effect of the ceramic rock boards manufactured by the different process types cannot obtain the consistent effect due to the color gamut difference, and therefore the product cannot meet the requirements of consumers or designers in the aspect of color effect matching.
Disclosure of Invention
The invention aims to provide a ceramic rock plate blank spray-printed decorative layer or a non-ink-jet decorative layer surface, a special glaze layer of a ceramic rock plate is sprayed, after the special glaze layer is fired at 1204-1240 ℃, the surface glossiness is 8-20 degrees, the glaze is fine, smooth and lubricated, the surface permeability is strong, the glaze layer meets the basic requirements of a surface polishing process, the color is close before and after polishing, the color difference value delta E range before and after single-color polishing is 0.3-1.1, and the problem of large color change before and after polishing of the traditional glaze polishing product is solved. The invention also aims to provide a production process platform for the integrated ceramic rock plate, which combines the polished face (polished type) rock plate and the natural face (matt type) rock plate into a whole by adopting primary classification, can change the polished face products into polished face products for the natural face products with dirt and pit defect degradation, changes waste into valuable and realizes the effective utilization of resources. The invention further aims to provide a frit with similar formula structure and different sintering temperature, which is beneficial to expanding the sintering range of the glaze, and the formula of the transparent glaze on the two surfaces of one glaze of the glaze layer, which has stable color gamut, 8-20 degrees of sintering glossiness and fine and smooth hand feeling, can be obtained by adjusting the ratio of the GW transparent frit to the DW transparent frit.
The technical scheme of the invention is that the glazed double-faced ceramic rock plate is characterized by sequentially comprising the following components from bottom to top: the glaze comprises a blank layer, a ground coat layer, an ink-jet decorative layer, a rubber roller ink-printing protective layer and a glaze double-side transparent glaze layer, wherein the formula of the ground coat layer is as follows: the composition comprises the following components in percentage by weight: 41.86% of nepheline syenite powder, 11.16% of calcined flint clay, 9.30% of diopside, 16.74% of superfine quartz powder, 13.95% of zirconium silicate, 6.52% of kaolin and 0.47% of modified bentonite; wherein the fineness of the nepheline syenite powder and the superfine quartz powder is controlled to be 70-150 mu m;
the roll printing ink protective layer formula comprises: the composition comprises the following components in percentage by weight: 15% of ground glaze slip, 45% of transparent glaze slip on one glaze surface and 40% of polyethylene glycol modifier; the polyethylene glycol modifier comprises the following components: 99% of polyethylene glycol, 0.3% of defoaming agent and 0.7% of surfactant;
the formula of the transparent glaze layer comprises: the composition comprises the following components in percentage by weight: 6.06% of lithium porcelain, 3.03% of calcined zinc oxide, 15.15% of sodalite powder, 7.07% of dolomite, 30.30% of DW transparent frit, 20.20% of GW transparent frit, 2.02% of barium carbonate, 3.03% of strontium carbonate, 8.09% of kaolin, 2.02% of corundum powder and 3.03% of superfine quartz powder.
Preferably, the GW transparent frit is a high-temperature matte transparent frit, and the chemical components of the GW transparent frit are composed of the following components in weight percent: 0.43% burn and SiO 2 49.14％，Al 2 O 3 19.55％，Fe 2 O 3 0.13％，CaO 10.68％，MgO 2.70％，K 2 O 2.92％，Na 2 O 2.79％，ZnO 3.29％，TiO 2 0.05％，B 2 O 3 0.21％，BaO 8.11％。
Preferably, the method comprises the following steps: the DW transparent frit is a low-temperature matte transparent frit, and comprises the following chemical components in percentage by weight: burn down by 2.49%, siO 2 48.66％，Al 2 O 3 14.56％，Fe 2 O 3 0.13％，CaO 13.30％，MgO 2.71％，K 2 O 2.89％，Na2O 2.75％，ZnO 4.22％，TiO 2 0.05％，B 2 O 3 0.21％，BaO 8.03％。
The invention also provides another technical scheme that the transparent glaze with two surfaces of one glaze is characterized in that the transparent glaze comprises the following components in percentage by weight: 6.06% of lithium porcelain, 3.03% of calcined zinc oxide, 15.15% of sodalite powder, 7.07% of dolomite, 30.30% of DW transparent frit, 20.20% of GW transparent frit, 2.02% of barium carbonate, 3.03% of strontium carbonate, 8.09% of kaolin, 2.02% of corundum powder and 3.03% of superfine quartz powder.
Preferably, the method comprises the following steps: the GW transparent frit is a high-temperature matte transparent frit, and comprises the following chemical components in percentage by weight: 0.43% burn and SiO 2 49.14％，Al 2 O 3 19.55％，Fe 2 O 3 0.13％，CaO 10.68％，MgO 2.70％，K 2 O 2.92％，Na 2 O 2.79％，ZnO 3.29％，TiO 2 0.05％，B 2 O 3 0.21％，BaO 8.11％。
Preferably, the method comprises the following steps: the DW transparent frit is a low-temperature matte transparent frit, and comprises the following chemical components in percentage by weight: 2.49% burn and SiO 2 48.66％，Al 2 O 3 14.56％，Fe 2 O 3 0.13％，CaO 13.30％，MgO 2.71％，K 2 O 2.89％，Na 2 O 2.75％，ZnO 4.22％，TiO 2 0.05％，B 2 O 3 0.21％，BaO 8.03％。
The invention also provides a technical scheme for preparing the glazed double-faced ceramic rock plate, which is characterized by comprising the following steps of:
firstly, pressing a blank;
applying a ground coat;
performing ink-jet decoration: the ink-jet printer sprays and prints design patterns, and the types of color ink comprise: 6 types of blue, brown, scarlet, orange, golden yellow and black are adopted, ink-jet printing quality is not limited, and the total gray level of each channel of the product design is controlled to be 0-180 percent so as to ensure the transparency and polishing effect of the product;
fourthly, rolling and printing an ink protective layer;
fifthly, carrying out transparent glaze on both sides of the first glaze;
sixthly, burning: the kiln length is 350 m, the kiln speed is 83Hz, the firing period is 123 minutes, and the maximum firing temperature is 1240 ℃;
ranking for the first time: in the firing process, due to the influence of the circulating atmosphere or environment of the kiln, part of discharged products have the defects of dirt and hard fine particles, the products with the defects on the surfaces are directly judged to be degraded products according to the finished product control standard, the products with the defects on the surfaces are classified and polished, and after the dirt on the surfaces of the products and the defects of the hard fine particles are removed, polished products with high quality are obtained, so that the products are changed into valuable, the production efficiency is improved, and the resource waste is avoided;
polishing: polishing products on two sides of a glaze according to the product development requirements, wherein the mesh number and the group number of polishing grinding heads are set as follows:
preferably, the method comprises the following steps: the step further includes:
(2.1) the ground glaze consists of the following components in percentage by weight: 41.86% of nepheline syenite powder, 11.16% of calcined flint clay, 9.30% of diopside, 16.74% of superfine quartz powder, 13.95% of zirconium silicate, 6.52% of kaolin and 0.47% of modified bentonite; wherein the fineness of the nepheline syenite powder and the superfine quartz powder is controlled to be 70-150 mu m.
(2.2) priming parameters:
A. adopting a glaze spraying process: the specific gravity of the glaze slip is 1.35, and the glazing amount is 500g/m 2 The glaze spraying adopts high-pressure glaze spraying with the pressure of 10 MPa-15 MPa, the glaze surface of the sprayed glaze is flat, and the problem of glaze surface dusting is solved;
B. adopting a glaze spraying process: the specific gravity of the glaze slip is 1.91, and the glazing amount is 380g/m 2 。
Preferably, the method comprises the following steps: the step fourth includes:
(4.1) formula of roller printing ink protective layer: 15% of ground glaze slip, 45% of transparent glaze slip on the two surfaces of one glaze and 40% of polyethylene glycol modifier;
(4.2) the polyethylene glycol modifier comprises the following components: 99% of polyethylene glycol, 0.3% of defoaming agent and 0.7% of surfactant, uniformly mixing the polyethylene glycol, the defoaming agent and the surfactant, and screening the mixture by a standard sieve of 325 meshes to obtain a polyethylene glycol modifier; wherein the defoaming agent is a polyether defoaming agent, and the surfactant is one or more of polyethoxylated alcohol, fatty alcohol-polyoxyethylene ether and alkylolamide;
(4.3) adding 40% of water into a formula in which zirconium silicate is removed and the formula is used as a ground glaze layer formula, ball-milling the mixture to 40 mu m, and sieving the mixture by a standard sieve with 325 meshes to obtain the ground glaze slurry, wherein the ground glaze slurry comprises the following components in parts by weight: 48.65% of nepheline syenite powder, 12.97% of calcined flint clay, 10.81% of diopside, 19.46% of superfine quartz powder, 7.57% of kaolin and 0.54% of modified bentonite;
(4.4) the transparent glaze slip on the two sides of one glaze is a transparent glaze formulation on the two sides of one glaze with 40% of water added, ball-milled to 40 μm, and sieved by a standard sieve with 325 meshes;
(4.5) uniformly mixing the three components, printing by adopting a fully transparent roller rubber roll to obtain the ink protective layer, and engraving the rubber roll by adopting a common engraving method, wherein the engraving gray level is 30%.
Preferably, the method comprises the following steps: step fifthly further comprises:
(5.1) a glaze double-surface transparent glaze which comprises the following components in parts by weight: 6.06% of lithium porcelain, 3.03% of calcined zinc oxide, 15.15% of sodium stone powder, 7.07% of dolomite, 30.30% of DW transparent frit, 20.20% of GW transparent frit, 2.02% of barium carbonate, 3.03% of strontium carbonate, 8.09% of kaolin, 2.02% of corundum powder and 3.03% of superfine quartz powder;
the GW transparent frit is a high-temperature matte transparent frit, and comprises the following chemical components in percentage by weight: 0.43% burn and SiO 2 49.14％，Al 2 O 3 19.55％，Fe 2 O 3 0.13％，CaO 10.68％，MgO 2.70％，K 2 O 2.92％，Na 2 O 2.79％，ZnO 3.29％，TiO 2 0.05％，B 2 O 3 0.21％，BaO 8.11％；
The DW transparent frit is a low-temperature matte transparent frit, and comprises the following chemical components in percentage by weight: 2.49% burn and SiO 2 48.66％，Al 2 O 3 14.56％，Fe 2 O 3 0.13％，CaO 13.30％，MgO 2.71％，K 2 O 2.89％，Na 2 O 2.75％，ZnO 4.22％，TiO 2 0.05％，B 2 O 3 0.21％，BaO 8.03％；
(5.2) glazing parameters:
A. adopting a glaze spraying process: the glazing specific gravity is 1.55, and the glazing amount is 620g/m 2 The glaze spraying adopts high-pressure glaze spraying with the pressure of 10 MPa-15 MPa, the glaze surface of the sprayed glaze is flat, and the problem of glaze surface dusting is solved;
B. adopting a glaze pouring process: the specific gravity of glazing is 1.88, and the glazing amount is 500g/m 2 。
Compared with the prior art, the invention has the following beneficial effects:
compared with the traditional ground glaze or the makeup soil which adopts quartz and potash-sod feldspar as main formulas, the invention adopts nepheline syenite as the main formula, the nepheline syenite has a wider high-temperature sintering range relative to other feldspars, and the nepheline syenite has good fused silica capacity, when the nepheline syenite and the quartz are introduced with 70-150 mu m powder fineness, the reaction is more sufficient after the high-temperature reaction, the stable state of the quartz after the high-temperature sintering is facilitated, the large-specification ceramic rock plate is represented as stable brick shape and product color during the production, and the phenomena that the quartz in the traditional ground glaze formula usually exists in the form of free quartz after the sintering, the crystal forms in the formula are different due to different degrees of quartz participation in the reaction caused by the fluctuation of the sintering temperature, the expansion coefficient of the ground glaze is unstable, the brick shape of the large-specification product plates or rock plates is fluctuated, or the color of the large-specification product is represented by the inconsistent color of the ink due to the inconsistent degree of participation in the quartz in the reaction are avoided.
The roll printing ink protective layer can reduce the contrast between the ground coat and the transparent glaze, enhance the associativity of the ground coat and the transparent glaze, reduce the influence of single factor change of the ground coat on the color of the product, and simultaneously form more stable color by combining the protective layer with the ink jet pattern, thereby weakening the color change of the polished product; on the other hand, the roll printing protective layer of the full-through roll printing with the engraving gray level of 30% is adopted, the roll printing surface is smooth, the formula has good moisture retention, the glaze surface flatness after transparent glaze is applied is good, and the smooth and flat glaze texture can be obtained after sintering.
(3) The glaze double-sided transparent glaze formula of the invention is beneficial to expanding the sintering range of glaze by introducing two frits with similar formula structures and different sintering temperatures, can obtain a glaze layer with stable color gamut, 8-20 degrees of sintered glossiness and fine and smooth hand feeling by adjusting the proportion of the GW transparent frit and the DW transparent frit, has the surface color close to that of the polished glaze layer, measures 6 single-color L, A and B values of blue, brown, scarlet, orange, golden yellow and black before and after polishing, and is based on a color difference formula:
△E*＝[(△L*) 2 +(△a*) 2 +(△b*) 2 ] 1/2 calculating to obtain a color difference change range of 0.3-1.1;
experiments prove that: testing in a roller kiln with the highest temperature of 1200-1240 ℃, and independently firing the GW transparent frit to be semitransparent, wherein the glossiness is 3-5 degrees, and the surface has smooth hand feeling; the DW transparent frit fired independently is in a full-transparent state, the glossiness is 70-85 degrees, and the surface feels smooth.
Drawings
FIG. 1 is a schematic view of the layered structure of the ceramic rock plate of the present invention.
Detailed Description
The invention will be further described in detail with reference to the following examples:
referring to fig. 1, the glazed double-sided ceramic rock plate sequentially comprises, from bottom to top: a body layer, a bottom glaze layer, an ink-jet decoration layer, a rubber roller ink-printing protection layer and a glaze two-sided transparent glaze layer.
The preparation method of the glazed double-sided ceramic rock plate comprises the following steps:
firstly, pressing a green body;
applying a base coat: the step further includes:
(2.1) the ground glaze consists of the following components in parts by weight: 41.86% of nepheline syenite powder, 11.16% of calcined flint clay, 9.30% of diopside, 16.74% of superfine quartz powder, 13.95% of zirconium silicate, 6.52% of kaolin and 0.47% of modified bentonite;
(2.2) priming parameters:
A. adopting a glaze spraying process: the specific gravity of the glaze slip is 1.35, and the glazing amount is 500g/m 2 The glaze spraying adopts high-pressure glaze spraying with the pressure of 10 MPa-15 MPa, the glaze surface of the sprayed glaze is flat, and the problem of glaze surface dusting is solved;
B. adopting a glaze spraying process: the specific gravity of the glaze slip is 1.91, and the glazing amount is 380g/m 2 。
Performing ink-jet decoration: the ink-jet printer sprays and prints design patterns, and the types of color ink comprise: 6 types of blue, brown, scarlet, orange, golden yellow and black are adopted, ink-jet printing quality is not limited, and the total gray level of each channel of the product design is controlled to be 0-180 percent so as to ensure the transparency and polishing effect of the product;
fourth, an ink protection layer is printed on the roller; the step fourth includes:
(4.1) formula of roller printing ink protective layer: 15% of ground glaze slip, 45% of transparent glaze slip on the two surfaces of one glaze and 40% of polyethylene glycol modifier;
(4.2) the polyethylene glycol modifier comprises the following components: 99% of polyethylene glycol, 0.3% of defoaming agent and 0.7% of surfactant, uniformly mixing the polyethylene glycol, the defoaming agent and the surfactant, and screening the mixture through a standard sieve of 325 meshes to obtain a polyethylene glycol modifier; wherein the defoaming agent is a polyether defoaming agent, and the surfactant is one or more of polyethoxylated alcohol, fatty alcohol-polyoxyethylene ether and alkylolamide;
(4.3) the ground glaze slurry is prepared by adding 40% of water into a formula of a ground glaze layer formula after zirconium silicate is removed, ball-milling the mixture to 40 mu m, and sieving the mixture by a standard sieve of 325 meshes, wherein the ground glaze slurry formula comprises the following components in percentage by weight: 4548.65% nepheline syenite powder, 12.97% calcined flint clay, 10.81% diopside, 19.46% superfine quartz powder, 7.57% kaolin and 0.54% modified bentonite;
(4.4) the transparent glaze slip on one surface and two surfaces is a transparent glaze formulation on one surface and two surfaces, 40% of water is added, the ball milling is carried out until the water is 40 mu m, and the water passes through a standard sieve with 325 meshes;
(4.5) uniformly mixing the three components, printing by adopting a fully transparent roller rubber roller to obtain an ink protective layer, and engraving the rubber roller by adopting a common engraving method, wherein the engraving gray level of the rubber roller is 30%;
fifthly, carrying out transparent glaze on both sides of the first glaze; step fifthly further comprises:
(5.1) a glaze double-surface transparent glaze which comprises the following components in parts by weight: 6.06% of lithium porcelain, 3.03% of calcined zinc oxide, 15.15% of sodium stone powder, 7.07% of dolomite, 30.30% of DW transparent frit, 20.20% of GW transparent frit, 2.02% of barium carbonate, 3.03% of strontium carbonate, 8.09% of kaolin, 2.02% of corundum powder and 3.03% of superfine quartz powder;
the GW transparent frit is a high-temperature matte transparent frit, and comprises the following chemical components in percentage by weight: 0.43% burn and SiO 2 49.14％，Al 2 O 3 19.55％，Fe 2 O 3 0.13％，CaO 10.68％，MgO 2.70％，K 2 O 2.92％，Na 2 O 2.79％，ZnO 3.29％，TiO 2 0.05％，B 2 O 3 0.21％，BaO 8.11％；
Wherein, the DW transparent frit is low-temperature matteThe transparent frit comprises the following chemical components in percentage by weight: 2.49% burn and SiO 2 48.66％，Al 2 O 3 14.56％，Fe 2 O 3 0.13％，CaO 13.30％，MgO2.71％，K 2 O 2.89％，Na 2 O 2.75％，ZnO 4.22％，TiO 2 0.05％，B 2 O 3 0.21％，BaO 8.03％；
(5.2) glazing parameters:
A. adopting a glaze spraying process: the glazing specific gravity is 1.55, and the glazing amount is 620g/m 2 The glaze spraying adopts high-pressure glaze spraying with the pressure of 10 MPa-15 MPa, the glaze surface of the sprayed glaze is flat, and the problem of glaze surface dusting is solved;
B. adopting a glaze spraying process: the specific gravity of glazing is 1.88, and the glazing amount is 500g/m 2 ；
Sixthly, high-temperature firing: the kiln length is 350 m, the kiln speed is 83Hz, the firing period is 123 minutes, and the maximum firing temperature (environment temperature) is 1240 ℃;
first-order ranking: in the firing process, due to the influence of the circulating atmosphere or environment of a kiln, part of discharged products possibly have the defects of dirt, hard fine particles and the like, the products with the defects on the surfaces are directly judged to be degraded products according to the control standard of finished products, the products with the defects on the surfaces are classified and polished, and after the defects of dirt, hard fine particles and the like on the surfaces of the products are removed, polished products with high quality are obtained, the products are changed into valuable, the production efficiency is improved, and the waste of resources is avoided;
polishing: polishing products on two surfaces of one glaze according to the development requirements of the products, wherein the mesh number and the group number of polishing grinding heads are set as follows:
the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.
Claims (6)
1. The utility model provides a glaze two-sided ceramic rock plate which characterized in that, ceramic rock plate from the bottom up includes in proper order: the glaze comprises a blank layer, a ground coat layer, an ink-jet decorative layer, a rubber roller ink-printing protective layer and a glaze double-side transparent glaze layer, wherein the formula of the ground coat layer is as follows: the composition comprises the following components in percentage by weight: 41.86% of nepheline syenite powder, 11.16% of calcined flint clay, 9.30% of diopside, 16.74% of superfine quartz powder, 13.95% of zirconium silicate, 6.52% of kaolin and 0.47% of modified bentonite; wherein the fineness of the nepheline syenite powder and the superfine quartz powder is controlled to be 70-150 mu m;
roller printing ink protective layer formula: the composition comprises the following components in percentage by weight: 15% of ground glaze slip, 45% of transparent glaze slip on the two surfaces of one glaze and 40% of polyethylene glycol modifier; the polyethylene glycol modifier comprises the following components: 99% of polyethylene glycol, 0.3% of defoaming agent and 0.7% of surfactant;
the ground glaze slurry is prepared by adding 40% of water into a formula in which zirconium silicate is removed from a ground glaze formula, performing ball milling to 40 mu m, and sieving the ground glaze slurry with a standard sieve of 325 meshes, wherein the ground glaze slurry comprises the following components in percentage by weight: 48.65% of nepheline syenite powder, 12.97% of calcined flint clay, 10.81% of diopside, 19.46% of superfine quartz powder, 7.57% of kaolin and 0.54% of modified bentonite;
the two-side one-glaze transparent glaze slip is prepared by adding 40% of water into a two-side one-glaze transparent glaze formula, performing ball milling to 40 mu m, and sieving the glaze slurry with a standard sieve of 325 meshes;
the formula of the transparent glaze layer comprises: the composition comprises the following components in percentage by weight: 6.06% of lithium porcelain, 3.03% of calcined zinc oxide, 15.15% of sodium stone powder, 7.07% of dolomite, 30.30% of DW transparent frit, 20.20% of GW transparent frit, 2.02% of barium carbonate, 3.03% of strontium carbonate, 8.09% of kaolin, 2.02% of corundum powder and 3.03% of superfine quartz powder;
the GW transparent frit is a high-temperature matte transparent frit, and comprises the following chemical components in percentage by weight: 0.43% burn and SiO 2 49.14％，Al 2 O 3 19.55％，Fe 2 O 3 0.13％，CaO 10.68％，MgO 2.70％，K 2 O 2.92％，Na 2 O 2.79％，ZnO 3.29％，TiO 2 0.05％，B 2 O 3 0.21％，BaO 8.11％；
The DW transparent frit is lowThe matte transparent frit comprises the following chemical components in percentage by weight: burn down by 2.49%, siO 2 48.66％，Al 2 O 3 14.56％，Fe 2 O 3 0.13％，CaO 13.30％，MgO 2.71％，K 2 O 2.89％，Na2O 2.75％，ZnO 4.22％，TiO 2 0.05％，B 2 O 3 0.21％，BaO 8.03％；
Independently firing the GW transparent frit to be semitransparent, wherein the glossiness is 3-5 degrees, and the surface hand feeling is smooth; the DW transparent frit fired independently is in a full-transparent state, the glossiness is 70-85 degrees, and the surface hand feeling is smooth.
2. The transparent glaze with two surfaces on one glaze is characterized by comprising the following components in percentage by weight: 6.06% of lithium porcelain stone, 3.03% of calcined zinc oxide, 15.15% of sodalite powder, 7.07% of dolomite, 30.30% of DW transparent frit, 20.20% of GW transparent frit, 2.02% of barium carbonate, 3.03% of strontium carbonate, 8.09% of kaolin, 2.02% of corundum powder and 3.03% of superfine quartz powder;
the GW transparent frit is a high-temperature matte transparent frit, and comprises the following chemical components in percentage by weight: burn down by 0.43%, siO 2 49.14％，Al 2 O 3 19.55％，Fe 2 O 3 0.13％，CaO 10.68％，MgO 2.70％，K 2 O 2.92％，Na 2 O 2.79％，ZnO 3.29％，TiO 2 0.05％，B 2 O 3 0.21％，BaO 8.11％；
The DW transparent frit is a low-temperature matt transparent frit, and comprises the following chemical components in percentage by weight: burn down by 2.49%, siO 2 48.66％，Al 2 O 3 14.56％，Fe 2 O 3 0.13％，CaO 13.30％，MgO 2.71％，K 2 O 2.89％，Na 2 O 2.75％，ZnO 4.22％，TiO 2 0.05％，B 2 O 3 0.21％，BaO 8.03％；
Independently firing the GW transparent frit to be semitransparent, wherein the glossiness is 3-5 degrees, and the surface hand feeling is smooth;
the DW transparent frit fired independently is in a full-transparent state, the glossiness is 70-85 degrees, and the surface hand feeling is smooth.
3. A method for preparing a glazed double-sided ceramic rock panel according to claim 1, comprising the steps of:
firstly, pressing a green body;
applying a ground coat;
performing ink-jet decoration: the ink-jet printer sprays and prints design patterns, and the types of color ink comprise: 6 types of blue, brown, scarlet, orange, golden yellow and black, ink-jet printing quality is not limited, and the total gray level of each channel of the product design is controlled to be 0-180 percent so as to ensure the transparency and polishing effect of the product;
fourthly, rolling and printing an ink protective layer;
fifthly, carrying out transparent glaze on both sides of the first glaze;
sixthly, burning: the kiln length is 350 m, the kiln speed is 83Hz, the firing period is 123 minutes, and the maximum firing temperature is 1240 ℃;
ranking for the first time: in the firing process, due to the influence of the circulating atmosphere or environment of the kiln, part of discharged products have the defects of dirt and hard fine particles, the products with the defects on the surfaces are directly judged to be degraded products according to the finished product control standard, the products with the defects on the surfaces are classified and polished, and after the dirt on the surfaces of the products and the defects of the hard fine particles are removed, polished products with high quality are obtained, so that the products are changed into valuable, the production efficiency is improved, and the resource waste is avoided;
and polishing: polishing products on two sides of a glaze according to the product development requirements, wherein the mesh number and the group number of polishing grinding heads are set as follows:
4. the method for preparing a glazed ceramic rock plate according to claim 3, wherein the steps further comprise:
(2.1) the ground glaze consists of the following components in percentage by weight: 41.86% of nepheline syenite powder, 11.16% of calcined flint clay, 9.3% of diopside, 16.74% of superfine quartz powder, 13.95% of zirconium silicate, 6.52% of kaolin and 0.47% of modified bentonite; wherein the fineness of the nepheline syenite powder and the superfine quartz powder is controlled to be 70-150 mu m;
(2.2) priming parameters:
A. adopting a glaze spraying process: the specific gravity of the glaze slip is 1.35, and the glazing amount is 500g/m 2 The glaze spraying adopts high-pressure glaze spraying with the pressure of 10 MPa-15 MPa, the glaze surface of the sprayed glaze is flat, and the problem of glaze surface dusting is solved;
B. adopting a glaze pouring process: the specific gravity of the glaze slip is 1.91, and the glazing amount is 380g/m 2 。
5. The method for preparing an enamelled two-sided ceramic rock according to claim 3, wherein step four further includes:
(4.1) roller printing ink protective layer formula: 15% of ground glaze slip, 45% of transparent glaze slip on the two surfaces of one glaze and 40% of polyethylene glycol modifier;
(4.2) the polyethylene glycol modifier comprises the following components: 99% of polyethylene glycol, 0.3% of defoaming agent and 0.7% of surfactant, uniformly mixing the polyethylene glycol, the defoaming agent and the surfactant, and screening the mixture by a standard sieve of 325 meshes to obtain a polyethylene glycol modifier; wherein the defoaming agent is a polyether defoaming agent, and the surfactant is one or more of polyethoxylated alcohol, fatty alcohol-polyoxyethylene ether and alkylolamide;
(4.3) adding 40% of water into the formula after zirconium silicate is removed from the ground glaze formula, ball-milling the mixture to 40 mu m, and sieving the mixture by a standard sieve with 325 meshes to obtain the ground glaze slurry, wherein the ground glaze slurry consists of the following components in percentage by weight: 48.65% of nepheline syenite powder, 12.97% of calcined flint clay, 10.81% of diopside, 19.46% of superfine quartz powder, 7.57% of kaolin and 0.54% of modified bentonite;
(4.4) the transparent glaze slip on the two sides of one glaze is a transparent glaze formulation on the two sides of one glaze with 40% of water added, ball-milled to 40 μm, and sieved by a standard sieve with 325 meshes;
(4.5) uniformly mixing the three components, printing by adopting a fully transparent roller rubber roll to obtain the ink protective layer, and engraving the rubber roll by adopting a common engraving method, wherein the engraving gray level is 30%.
6. The method of making a glazed double-sided ceramic rock plate as claimed in claim 3, wherein the step of fifthly further comprises:
(5.1) transparent glaze with two surfaces, which consists of the following components in percentage by weight: 6.06% of lithium porcelain, 3.03% of calcined zinc oxide, 15.15% of sodium stone powder, 7.07% of dolomite, 30.30% of DW transparent frit, 20.20% of GW transparent frit, 2.02% of barium carbonate, 3.03% of strontium carbonate, 8.09% of kaolin, 2.02% of corundum powder and 3.03% of superfine quartz powder;
the GW transparent frit is a high-temperature matte transparent frit, and comprises the following chemical components in percentage by weight: 0.43% burn and SiO 2 49.14％，Al 2 O 3 19.55％，Fe 2 O 3 0.13％，CaO 10.68％，MgO 2.70％，K 2 O 2.92％，Na 2 O 2.79％，ZnO 3.29％，TiO 2 0.05％，B 2 O 3 0.21％，BaO 8.11％；
The DW transparent frit is a low-temperature matt transparent frit, and comprises the following chemical components in percentage by weight: 2.49% burn and SiO 2 48.66％，Al 2 O 3 14.56％，Fe 2 O 3 0.13％，CaO 13.30％，MgO 2.71％，K 2 O 2.89％，Na 2 O 2.75％，ZnO 4.22％，TiO 2 0.05％，B 2 O 3 0.21％，BaO 8.03％；
(5.2) glazing parameters:
A. adopting a glaze spraying process: the specific gravity of the glazing is 1.55, and the glazing amount is 620g/m 2 The glaze spraying adopts high-pressure glaze spraying with the pressure of 10 MPa-15 MPa, the glaze surface of the sprayed glaze is flat, and the problem of glaze surface dusting is solved;
B. adopting a glaze spraying process: the specific gravity of glazing is 1.88, and the glazing amount is 500g/m 2 。
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| CN115466130B (en) * | 2022-08-30 | 2023-08-25 | 广东家美陶瓷有限公司 | Diffusion preventing method for ceramic ink-jet printing, diffusion preventing agent and green body powder |
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