CN114105478B - Multi-dimensional optically variable glaze, multi-dimensional optically variable ceramic tile and preparation method thereof - Google Patents
Multi-dimensional optically variable glaze, multi-dimensional optically variable ceramic tile and preparation method thereof Download PDFInfo
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- CN114105478B CN114105478B CN202111647489.8A CN202111647489A CN114105478B CN 114105478 B CN114105478 B CN 114105478B CN 202111647489 A CN202111647489 A CN 202111647489A CN 114105478 B CN114105478 B CN 114105478B
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- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 48
- 239000011449 brick Substances 0.000 claims description 24
- 239000011787 zinc oxide Substances 0.000 claims description 24
- 238000005245 sintering Methods 0.000 claims description 23
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 21
- 238000005507 spraying Methods 0.000 claims description 18
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 15
- 238000010304 firing Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000002994 raw material Substances 0.000 claims description 14
- 239000000126 substance Substances 0.000 claims description 13
- 239000010453 quartz Substances 0.000 claims description 12
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 11
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- 239000005995 Aluminium silicate Substances 0.000 claims description 7
- 229910021532 Calcite Inorganic materials 0.000 claims description 7
- 235000012211 aluminium silicate Nutrition 0.000 claims description 7
- DLHONNLASJQAHX-UHFFFAOYSA-N aluminum;potassium;oxygen(2-);silicon(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Si+4].[Si+4].[Si+4].[K+] DLHONNLASJQAHX-UHFFFAOYSA-N 0.000 claims description 7
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 7
- 239000010434 nepheline Substances 0.000 claims description 7
- 229910052664 nepheline Inorganic materials 0.000 claims description 7
- 239000000454 talc Substances 0.000 claims description 7
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- 229910010413 TiO 2 Inorganic materials 0.000 claims description 6
- 239000002689 soil Substances 0.000 claims description 5
- 230000007480 spreading Effects 0.000 claims description 5
- 238000003892 spreading Methods 0.000 claims description 5
- 229910052656 albite Inorganic materials 0.000 claims description 4
- 238000001354 calcination Methods 0.000 claims description 4
- 239000010459 dolomite Substances 0.000 claims description 4
- 229910000514 dolomite Inorganic materials 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 4
- AYJRCSIUFZENHW-DEQYMQKBSA-L barium(2+);oxomethanediolate Chemical compound [Ba+2].[O-][14C]([O-])=O AYJRCSIUFZENHW-DEQYMQKBSA-L 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 32
- 230000008569 process Effects 0.000 abstract description 13
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- 238000007590 electrostatic spraying Methods 0.000 abstract description 6
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- 239000010410 layer Substances 0.000 description 65
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Inorganic materials [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 21
- 230000000052 comparative effect Effects 0.000 description 11
- IATRAKWUXMZMIY-UHFFFAOYSA-N strontium oxide Inorganic materials [O-2].[Sr+2] IATRAKWUXMZMIY-UHFFFAOYSA-N 0.000 description 10
- 238000011161 development Methods 0.000 description 7
- 230000018109 developmental process Effects 0.000 description 7
- 239000007921 spray Substances 0.000 description 7
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- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- 239000002932 luster Substances 0.000 description 5
- 230000002411 adverse Effects 0.000 description 4
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 description 4
- 238000005034 decoration Methods 0.000 description 4
- 239000010433 feldspar Substances 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
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- 239000000377 silicon dioxide Substances 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 230000003373 anti-fouling effect Effects 0.000 description 2
- 229910052788 barium Inorganic materials 0.000 description 2
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
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- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910052661 anorthite Inorganic materials 0.000 description 1
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- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000003181 co-melting Methods 0.000 description 1
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- 239000002537 cosmetic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004031 devitrification Methods 0.000 description 1
- GWWPLLOVYSCJIO-UHFFFAOYSA-N dialuminum;calcium;disilicate Chemical compound [Al+3].[Al+3].[Ca+2].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] GWWPLLOVYSCJIO-UHFFFAOYSA-N 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
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- 150000002500 ions Chemical class 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
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- 239000003921 oil Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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- 239000002002 slurry Substances 0.000 description 1
- 229910000018 strontium carbonate Inorganic materials 0.000 description 1
- -1 strontium carbonate compound Chemical class 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- 230000000007 visual effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Structural Engineering (AREA)
- Finishing Walls (AREA)
Abstract
The invention relates to the technical field of ceramic tiles and discloses a multidimensional optically variable glaze, a multidimensional optically variable ceramic tile and a preparation method thereof; the multidimensional optically variable glaze has high transparency, proper high-temperature viscosity and good high-temperature heat plastic deformation resistance; the multi-dimensional optically variable ceramic tile has three-dimensional, different-azimuth and multi-angle light and shadow variation effects under the irradiation of light rays; the preparation method comprehensively utilizes various glazes with performance difference, combines with a frame-type composition technique, and utilizes multiple processes such as a grafting electrostatic spraying glazing method and two ink-jet printing devices for sectional printing through optimization of a glazing production process, so that the protective glaze is thinner and more uniform, and the stereoscopic impression of the multidimensional optically variable glaze is improved.
Description
Technical Field
The invention relates to the technical field of tiles and preparation methods thereof, in particular to a multi-dimensional optically variable glaze, a multi-dimensional optically variable tile and a preparation method thereof.
Background
China is a large country for producing building and sanitary tiles, has huge consumer markets for building and sanitary tiles, and has low overall product grade in the direction of matt bright products, and particularly, the improvement in the aspects of glaze technology and color pattern treatment is urgently needed.
Along with the increasing of life quality, people do not meet the decoration requirements of the existing ceramic tiles, so as to further meet market demands, change the current situation of the industry and cater to the consumption trend of young consumer groups, in recent years, scientific researchers in China continuously develop a plurality of new glaze varieties for improving the building decoration effect besides continuously increasing flower colors and colored varieties, and the novel glazed light sense texture ceramic tiles different from the existing ceramic tile glaze effect are developed so as to create new indoor decoration climax, promote the innovation of the whole technology of the industry and have the multidimensional light change ceramic tiles with special luster texture, and are one of typical representative products.
It can be seen that there is a need for improvements and improvements in the art.
Disclosure of Invention
In view of the shortcomings of the prior art, the invention aims to provide a multi-dimensional optically variable glaze, a multi-dimensional optically variable ceramic tile and a preparation method thereof, wherein the multi-dimensional optically variable glaze and the multi-dimensional optically variable ceramic tile have three-dimensional, different-azimuth and multi-angle optical shadow variation effects under the irradiation of light.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the chemical composition of the multidimensional optically variable glaze comprises the following components in percentage by mass: siO (SiO) 2 55% -60% of Al 2 O 3 16.5 to 18 percent, 0.3 to 0.5 percent of MgO, 2.5 to 3.5 percent of CaO,Na 2 O is 2.0-3.0%, K 2 3.0 to 4.0 percent of O, 2.5 to 3.5 percent of ZnO, 5.5 to 6.5 percent of BaO and Fe 2 O 3 0.1 to 0.25 percent and the balance of loss on ignition.
The multi-dimensional optically variable glaze comprises the following raw materials in percentage by mass: 28 to 33 percent of frit, 15 to 20 percent of quartz powder, 15 to 18 percent of potassium feldspar, 0 to 3 percent of calcined talcum, 2 to 6 percent of calcite, 9 to 13 percent of nepheline, 7 to 10 percent of kaolin, 7 to 10 percent of barium carbonate, 2 to 5 percent of zinc oxide and 1 to 3 percent of calcined alumina.
The multidimensional optically variable ceramic tile comprises a green brick layer, a ground coat layer, a printing layer, a protective glaze layer, a functional ink layer and a multidimensional optically variable glaze layer from bottom to top in sequence; the protective glaze layer is formed by firing protective glaze, and the protective glaze comprises the following chemical components in percentage by mass: siO (SiO) 2 45% -46% of Al 2 O 3 20.5 to 21.5 percent, 2.8 to 3.5 percent of MgO, 6.5 to 7.0 percent of CaO and Na 2 O is 1.5-2.0%, K 2 2.5 to 3.0 percent of O, 5.5 to 6.5 percent of ZnO, 3.0 to 4.0 percent of BaO and Fe 2 O 3 0.2 to 0.35 percent of TiO 2 0.13 to 0.25 percent, 0 to 3 percent of SrO and the balance of loss on ignition; the multi-dimensional optically variable glaze layer is formed by firing the multi-dimensional optically variable glaze.
The multidimensional optically variable ceramic tile comprises the following raw materials in percentage by mass: 5 to 7 percent of potassium feldspar, 17 to 19 percent of albite, 7 to 9 percent of quartz powder, 17 to 20 percent of calcite, 20 to 24 percent of kaolin, 3 to 5 percent of nepheline, 9 to 11 percent of air knife soil, 1 to 2 percent of calcined alumina, 5 to 7 percent of dolomite and 5 to 7 percent of calcined talcum.
The multidimensional optically variable ceramic tile has the specific gravity of 1.82-1.85 g/cm 3 The fineness screen residue of 325 meshes is 0.6-1.0%, and the flow rate is 45-60 seconds; the protective glaze also comprises water, wherein the water accounts for 28-31% of the total mass of the protective glaze.
The multidimensional optically variable ceramic tile is characterized in that the ground coat layer is formed by firing ground coat, and the ground coat comprises the following chemical components in percentage by mass: siO (SiO) 2 52% -56% of Al 2 O 3 26 to 29 percent of MgO, 0.45 to 0.5 percent of CaO, 1.0 to 1.5 percent of Na 2 O is 3.5-4.0%, K 2 1.8 to 2.3 percent of O, 0.02 to 0.08 percent of ZnO, 0.02 to 0.08 percent of BaO and Fe 2 O 3 0.2 to 0.3 percent of TiO 2 0.13 to 0.25 percent and the balance of loss on ignition.
The preparation method of the multidimensional light-changing ceramic tile comprises the following steps:
step A, spreading ground coat on the surface of the green brick;
step B, printing on the surface of the adobe coated with the primer;
step C, spraying the protective glaze by adopting an electrostatic method;
step D, printing functional ink on the surface of the green brick sprayed with the protective glaze;
e, drying the green bricks in the step D;
step F, distributing the multidimensional optically variable glaze on the surface of the dried green brick;
step G, firing and forming to obtain the multi-dimensional optically variable ceramic tile;
wherein the sintering temperature of the protective glaze in the step C is higher than that of the multidimensional optically variable glaze in the step F.
The preparation method of the multidimensional optically variable ceramic tile comprises the step D of printing functional ink by adopting ink-jet printing equipment, wherein the functional ink comprises oily refined carving ink and oily stripping ink; the line diameter of the ink jet printed line ranges from 6PX to 8PX.
The preparation method of the multidimensional optically variable ceramic tile comprises the steps of printing lines by ink jet with an angle ranging from 35 degrees to 85 degrees and from 100 degrees to 165 degrees.
The preparation method of the multidimensional optically variable ceramic tile comprises the following steps of: calcining for 50-60 minutes under the condition that the sintering temperature is 1200 ℃; the sintering temperature of the protective glaze is 1250-1255 ℃, and the sintering temperature of the multi-dimensional optically variable glaze is 1195-1200 ℃.
The beneficial effects are that:
the invention provides a multidimensional optically variable glaze, which is characterized in that high-content barium oxide and zinc oxide are added to ensure that the transparency of a glaze layer is high, fine grains in the glaze layer are utilized to ensure that the glaze layer has good high-temperature heat-resistant plastic deformation capability at high temperature, so that the texture effect of fine engraving is well maintained, the line diameter and angle of directional arrangement lines in textures are adjusted by referring to a frame type composition technique, and the three-dimensional and flash conversion effects of the surface textures of ceramic tiles under different angles are realized by utilizing the difference between the incidence angles of light rays.
The invention also provides a multi-dimensional optically variable ceramic tile, which has the special luster effect that the surfaces of the ceramic tiles with multiple dimensions, different angles and different directions show the light shadow variation, the geometric line textures of the surfaces are exquisite and fine, and the surfaces show platinum light to be shiny and silk to be glaring under the irradiation of lamplight.
The invention also provides a preparation method of the multidimensional optically variable ceramic tile, which comprehensively utilizes various glazes with different performances, combines with a frame type composition technique, and ensures that the protective glaze is thinner and more uniform by the application of multiple processes such as a grafting electrostatic spraying glazing method, two ink jet printing devices and the like through the optimization of the production glazing process; the mould of the blank body is not needed to be carved, the cost of the mould is reduced, and the research and development expenditure cost is reduced.
Drawings
Fig. 1 is a schematic illustration of electrostatic glazing.
FIG. 2 is a schematic diagram II of electrostatic glazing; from top to bottom refer to: spray gun, negatively charged glaze particles, positively charged green bricks, transport drive equipment and green bricks.
Fig. 3 is a line diameter comparison diagram of 5PX, 6PX, 7PX, 8PX, and 9PX in this order from right to left.
Fig. 4 is a schematic diagram of a line angle layout.
FIG. 5 is a schematic diagram of a multi-dimensional optically variable tile glazed texture design.
FIG. 6 is a graph showing the effect of the glaze on the multi-dimensional optically variable tile produced in example 4.
FIG. 7 is a graph showing the effect of the glaze on the multi-dimensional optically variable tile produced in example 5.
Detailed Description
The invention provides a multi-dimensional optically variable glaze, a multi-dimensional optically variable ceramic tile and a preparation method thereof, which are used for making the purposes, the technical scheme and the effects of the invention clearer and more definite, and the invention is further described in detail below by referring to the accompanying drawings and examples. It should be understood that the detailed description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the invention.
The invention provides a multi-dimensional optically variable glaze, which comprises the following chemical components in percentage by mass: siO (SiO) 2 55% -60% of Al 2 O 3 16.5 to 18 percent, 0.3 to 0.5 percent of MgO, 2.5 to 3.5 percent of CaO and Na 2 O is 2.0-3.0%, K 2 3.0 to 4.0 percent of O, 2.5 to 3.5 percent of ZnO, 5.5 to 6.5 percent of BaO and Fe 2 O 3 0.1 to 0.25 percent and the balance of loss on ignition.
Specifically, the preparation raw materials of the multidimensional optically variable glaze comprise the following components in percentage by mass: 28 to 33 percent of frit, 15 to 20 percent of quartz powder, 15 to 18 percent of potassium feldspar, 0 to 3 percent of calcined talcum, 2 to 6 percent of calcite, 9 to 13 percent of nepheline, 7 to 10 percent of kaolin, 7 to 10 percent of barium carbonate, 2 to 5 percent of zinc oxide and 1 to 3 percent of calcined alumina. The chemical composition of the frit is as follows: siO (SiO) 2 49% -53% of Al 2 O 3 18 to 21 percent, 13 to 15 percent of CaO, 8 to 12 percent of BaO and K 2 O and Na 2 3-5% of O, 2-4% of ZnO and the balance of loss on ignition.
The main component of quartz in the multidimensional optically variable glaze is SiO 2 Is used for generating glass phase and improving the transparency and glossiness of an oil layer. The frit and feldspar raw materials are used for reducing the sintering temperature and the initial melting point of the multidimensional optically variable glaze, improving the melting property of the glaze layer, improving the sintering degree of the glaze layer and reducing the pores of the glaze surface. The glossiness of the glaze is mainly determined by the refractive index of the glaze and the smoothness of the surface of the glaze, and the multidimensional optically variable glaze comprisesThe barium oxide has high fluxing capability at high temperature, can obviously improve the refractive index of the glaze and increase the glossiness of the glaze, and the barium oxide with excessive content is easy to generate barium feldspar crystalline phase, so that the glaze layer is devitrified and the transparency is reduced. The zinc oxide in the range plays a role in fluxing on one hand and increases the luster of the glaze; on the other hand, the method is used for reducing the expansion coefficient of the multidimensional optically variable glaze and improving the elasticity of the glaze layer. The addition of the calcined alumina is used for improving the high-temperature viscosity and the sintering melting temperature range of the multidimensional optically variable glaze, so that the sintered glaze has a certain concave-convex hand feeling, and the addition of the excessive calcined alumina reduces the glossiness of the glaze, and the devitrification of the glaze affects the color development effect of the glaze layer and the printing layer. The multidimensional optically variable glaze has high glossiness, high transparency and proper high temperature viscosity, and tiny grains in the glaze layer ensure that the glaze layer has good high temperature thermal plastic deformation resistance at high temperature, and the multidimensional optically variable glaze is matched with functional ink, line diameter, angle and frame pattern composition technique printed by ink-jet printing equipment to realize the effects of three-dimensional and flash variation of the surface textures of products under different visual angles.
The invention also provides a multi-dimensional optically variable ceramic tile, which comprises a green brick layer, a ground coat layer, a printing layer, a protective glaze layer, a functional ink layer and a multi-dimensional optically variable glaze layer from bottom to top in sequence; the protective glaze layer is formed by firing protective glaze, and the protective glaze comprises the following chemical components in percentage by mass: siO (SiO) 2 45% -46% of Al 2 O 3 20.5 to 21.5 percent, 2.8 to 3.5 percent of MgO, 6.5 to 7.0 percent of CaO and Na 2 O is 1.5-2.0%, K 2 2.5 to 3.0 percent of O, 5.5 to 6.5 percent of ZnO, 3.0 to 4.0 percent of BaO and Fe 2 O 3 0.2 to 0.35 percent of TiO 2 0.13 to 0.25 percent, 0 to 3 percent of SrO and the balance of loss on ignition. Specifically, the preparation raw materials of the protective glaze comprise the following components in percentage by mass: 5 to 7 percent of potassium feldspar, 17 to 19 percent of albite, 7 to 9 percent of quartz powder, 17 to 20 percent of calcite, 20 to 24 percent of kaolin, 3 to 5 percent of nepheline, 9 to 11 percent of air knife soil, 1 to 2 percent of calcined alumina and 5 to 7 percent of dolomite to obtain the composite material5 to 7 percent of calcined talcum. The specific gravity of the protective glaze is 1.82-1.85 g/cm 3 The fineness screen residue of 325 meshes is 0.6-1.0%, and the flow rate is 45-60 seconds; the protective glaze also comprises water, wherein the water accounts for 28-31% of the total mass of the protective glaze. The multi-dimensional optically variable glaze layer is formed by firing the multi-dimensional optically variable glaze.
The aluminum oxide content of the protective glaze reaches 20.5% -21.5%, the firing temperature is high, excessive silicon oxide causes lower aluminum oxide content and insufficient components forming a framework, so that the glaze surface has high glossiness and high-temperature fluidity, and the stereoscopic impression of the multidimensional optically variable glaze layer is reduced. Zinc oxide, barium oxide, strontium oxide and the like have strong fluxing capability, and the strontium oxide is used for reducing the high Wen E maturation temperature of the protective glaze on one hand and promoting the further sintering of the glaze layer; on the other hand, the high-temperature viscosity of the protective glaze is optimized, the firing viscosity is properly reduced, and the high-temperature ductility of the glaze layer is improved. The zinc oxide plays a role in improving the flatness and the fineness of the glaze, simultaneously well keeps the compactness and the stereoscopic impression of the glaze layer, and ensures that the transparency and the color development capability of the glaze layer are better, but the addition of the zinc oxide with too high brings slight weak yellow color to the glaze layer, and brings certain adverse effects to the expression of patterns. By reducing the content of ferric oxide and titanium oxide, the purity and the transparency of the glaze surface are obviously improved, and patterns and colors under the glaze layer are clear, the color is bright and the texture is transparent. The glossiness of the glaze surface after the protective glaze is sintered is 3-8 degrees, and the glaze surface is matt.
The protective glaze is used for isolating the printing layer on one hand, and is convenient for decoration of subsequent procedures; on the other hand, the protective glaze simultaneously satisfies high transparency and strong color rendering capability, and simultaneously satisfies high-temperature viscosity, namely high-temperature fluidity is not strong, and the three-dimensional sense after sintering of the multi-dimensional optically variable glaze and concave-convex hand feeling of refined texture are satisfied under the conditions that the sintering temperature of the protective glaze is 1200 ℃ and the sintering temperature of the multi-dimensional optically variable glaze is 1195-1200 ℃ and the sintering time is 50-60 minutes by utilizing the large difference of the temperature characteristics of the protective glaze and the multi-dimensional optically variable glaze.
The invention also provides a preparation method of the multidimensional optically variable ceramic tile, which comprises the following steps:
step A, spreading ground coat on the surface of the green brick; the chemical composition of the ground coat is as follows: siO (SiO) 2 52% -56% of Al 2 O 3 26 to 29 percent of MgO, 0.45 to 0.5 percent of CaO, 1.0 to 1.5 percent of Na 2 O is 3.5-4.0%, K 2 1.8 to 2.3 percent of O, 0.02 to 0.08 percent of ZnO, 0.02 to 0.08 percent of BaO and Fe 2 O 3 0.2 to 0.3 percent of TiO 2 0.13 to 0.25 percent and the balance of loss on ignition. Specifically, the preparation raw materials of the base glaze comprise the following components in percentage by mass: 13 to 16 percent of potassium feldspar, 5.0 to 7.0 percent of kaolin, 5.0 to 7.0 percent of air knife soil, 1 to 3 percent of calcined talcum, 16 to 20 percent of albite A11, 10 to 14 percent of water-washed ball clay WS-65, 5 to 7 percent of nepheline feldspar powder H2, 5 to 7 percent of zirconium silicate, 5 to 7 percent of dolomite, 5 to 7 percent of calcite, 4 to 6 percent of zinc oxide, 7 to 10 percent of matte XT-1816 frit and 14 percent of 628 glaze. Specifically, the water absorption of the 628 glazed product is lower than 0.5%; the chemical composition of the 628 glazed product is as follows: 8% CaO, 4% ZnO, 17% Al 2 O 3 、4％MgO、3％Na 2 O、50％SiO 2 、2％K 2 O, the balance of loss on ignition. The specific gravity of the ground coat is 1.82-1.85 g/cm 3 The ground glaze also contains water, the mass fraction of the water in the total mass of the ground glaze is 28-29%, the fineness screen residue (325 mesh screen residue) is 0.3-0.8%, and the flow rate is 35-55 seconds. The ground glaze contains high content of alumina, and is sintered together with the green bricks, so that the sintering degree is high; the titanium oxide in the above range plays a role in covering the ground color of the green brick.
The preparation method of the ground coat comprises the following steps: weighing the raw materials according to the proportion, putting the raw materials into a ball mill, ball milling for 10 hours to obtain ground enamel, separating coarse particles by a precipitation test separation method, controlling the mass fraction of the residue of a 325-mesh sieve to be 0.2-0.7%, and ageing the slurry for more than 24 hours.
Step B, printing on the surface of the green bricks coated with the primer by using inkjet printing equipment; the embodiment is preferably to print white ink in an inkjet mode, and is used for further covering the ground color of the green brick, reducing the glazing quantity of ground glaze and reducing the cost.
And C, spraying protective glaze by adopting an electrostatic method.
Referring to fig. 1 and 2, the invention introduces an electrostatic glaze spraying process, and the working principle is as follows: and when the voltage reaches high enough, air in the area near the gun head of the spray gun generates strong corona discharge to form a gas ion area. When the glaze particles atomized by the electrostatic spray gun are in the area, the atomized glaze particles are negatively charged, when the ceramic tile passes through the grounded conveying line, the surface of the ceramic tile is positively charged, and according to the electrostatic principle of opposite attraction, the negatively charged atomized glaze particles have a tendency to move towards the positively charged ceramic tile surface, so that the atomized glaze particles are adsorbed and deposited on the surface of the ceramic tile. The invention uses ionization principle to spray the charged protective glaze on the surface of the green brick, to achieve thin and uniform glaze spraying effect, to control the glazing thickness to be 30-40 μm, to effectively reduce co-fusion with multi-position optically variable glaze, to ensure better stereoscopic impression and clearer boundary. Compared with the existing glaze spraying equipment, the glaze spraying is more uniform and the glaze layer is thinner; compared with the digital glaze spraying process, the cost of equipment and glaze is reduced, and meanwhile, compared with the digital glaze, the water-based protective glaze is more environment-friendly.
In order to ensure that the surface of the ceramic tile has stronger concave-convex hand feeling and fine geometric texture, the water infiltration amount of the green body should be reduced as much as possible before the multidimensional optically variable glaze is sprayed, and the water of the green body should be controlled at 35-45 g/m 2 Within the range, the glaze is not too thick, and the dry glazing quantity of the glaze is controlled to be 50g/m 2 The thickness of the glaze layer cannot be realized by the traditional water jet glaze spraying or bell jar glaze spraying equipment. The adoption of the ink-jet printing equipment for glazing is not beneficial to the reduction of production cost, and the glaze property of the protective glaze is oily, so that adverse effects are generated on the expression of the refined texture, therefore, the electrostatic spraying method is adopted for spraying the protective glaze, the performance advantages of lower glazing quantity, thinner glazing layer, more uniform glazing coverage, no chromatic aberration, no stripping and the like are realized, and a good foundation is laid for the glazing of the subsequent multidimensional optically variable glaze.
When the electrostatic spraying method is adopted to spray the protective glaze, the parameters of the table are used for running, the glaze application of the protective glaze is carried out within the parameter range, the production operation is stable, the glaze drop particles are dispersed and atomized orderly, and the thickness of the glaze layer is uniform.
When the voltage is less than 80KV, the flatness of the sprayed glaze gram is difficult to control, and when the voltage is more than 120KV, the protective glaze can shade color and definition, so that production is unstable. While the speed of rotation of the lance is proportional to the pressure. When the height distance between the spray gun and the brick surface is smaller than 20 cm, the phenomenon of uneven glaze surface, glaze collection and the like can be easily caused, and when the height distance is larger than 30 cm, the cost can be wasted, and the atomization range can be enlarged.
Step D, printing functional ink on the surface of the green brick sprayed with the protective glaze by using ink-jet printing equipment; the functional ink comprises oily cnc ink and oily stripping ink. The protective glaze and the multidimensional optically variable glaze are both water-based glaze, and the oily ink is favorable for forming deeper sinking lines after being repelled with the water-based glaze, so that the stereoscopic impression of the glaze surface is improved. In the embodiment, refined carving ink with the brand of T019 is adopted as a smooth new material; the ink was stripped using Tao Lixi, trade name CZN 00078.
The line diameter and angle of the ink-jet printing lines have larger influence on multidimensional three-dimensional optically variable effect of the surface of the ceramic tile, concave-convex hand feeling of geometric textures and the like, the line diameter which is too thin is not favorable for stripping the textures and the concave-convex hand feeling is poor, and the line diameter which is too thick can achieve better stripping of the textures and strong concave-convex hand feeling, but the smoothness of the glaze is easy to reduce. As can be seen from the table below, when the line diameter value of the geometric texture is within the range of 6-8 PX, the texture can achieve better stripping subsidence depth, and in addition, the concave-convex hand feeling and the glaze flatness of the ceramic tile surface can be well combined. When the wire diameter is too small (5 PX or less) or too large (9 PX or more), the effect is not ideal, see FIG. 3.
The effect of geometric texture line diameter size is compared to the following table:
referring to fig. 4, when the angle of the ink-jet printing line is between 35 and 85 degrees in the area B and between 100 and 165 degrees in the area D, the obvious effect of changing the light and shadow appears on the glazed surface of the ceramic tile, but the effect is not obvious or does not appear in other areas. The reason is that: the angle is almost a flat angle in the range of 0-35 degrees and 165-180 degrees; in the range of 85-100 degrees, the angle is almost right angle, the inclination is smaller, and the obvious effect of changing the light shadow is not favorable for the glaze. Therefore, the range of the angle between the control lines is between 35 and 85 degrees and the range of the angle between 100 and 165 degrees is suitable, and the tile glazed texture map shown in fig. 5 is designed according to the angle range.
And E, placing the green bricks in the step D into a drying kiln at 150 ℃ for drying.
And F, spreading the multidimensional optically variable glaze on the surface of the dried green brick.
And G, sintering and forming, wherein the conditions are as follows: calcining for 50-60 min at 1200 deg.C to obtain the multi-dimensional optically variable ceramic tile. The firing temperature is matched with the melting temperature of the protective glaze and the multidimensional optically variable glaze, so that the glossiness of the protective glaze after firing is 3-8 degrees, the protective glaze is matte, the glossiness of the multidimensional optically variable glaze is 55-62 degrees, the protective glaze and the multidimensional optically variable glaze are glossy, the two forms a gloss difference, and the protective glaze is combined with refined carving ink and frame type composition techniques, so that a matte and glossy binary structure system existing in the original industry is broken, and the multidimensional optically variable ceramic tile has a micro-light structure with concave-convex hand feeling, high transparency, strong color development capability and high compactness, and the excellent antifouling property of the glaze surface is ensured.
According to the preparation method of the multidimensional optically variable ceramic tile, two digital ink-jet printing devices are used for synchronously and serially working, the first ink-jet printing device is used for carrying out the spray printing of white ink, the traditional cosmetic soil bell jar glaze spraying process is replaced, on one hand, the operation efficiency of a production line can be greatly improved, on the other hand, the labor cost can be saved, the waste of the water glaze process is reduced, and the working environment of a workshop is obviously improved. And then, the second ink-jet printing equipment is used for spraying functional ink such as refined carving ink, stripping ink and the like, and as the surface of the ceramic tile is covered with a layer of high-temperature protective glaze in the early stage, the oily surface layer of the white ink is covered, so that the performance difference between the position of the refined carving pattern and a non-oily base surface beside the pattern can be obviously enlarged, the effective discharge of the glaze layer at the position of the refined carving ink is ensured, the detail fineness of the geometric texture of the multidimensional optically variable ceramic tile is greatly improved, and the higher stripping concave-convex hand feeling is ensured.
The preparation method of the multidimensional optically variable ceramic tile does not need to carve a blank mould, reduces the cost of the mould and reduces the research and development expenditure cost. The precise carving ink and the stripping ink are used for spraying, so that stable output of printing quantity is ensured, the stereoscopic impression of geometric line textures can be fully ensured, adverse effects of kiln temperature fluctuation on concave-convex hand feeling of the glaze can be effectively counteracted, the production operation is simple and convenient, and the stability is strong.
The invention comprehensively utilizes various ground enamels, protective glazes and multidimensional optically variable glazes with performance difference, combines frame-type patterning technique of design textures, adopts the comprehensive means of multiple processes such as spraying high-temperature protective glazes by adopting an electrostatic spraying method and sectional printing by two ink-jet printing devices through modification and optimization of a glazing process, ensures that the surfaces of the ceramic tiles have special luster effects of changing light shadows on the surfaces of the ceramic tiles with multiple dimensions, different angles and different directions after the ceramic tiles are sintered at high temperature, and has exquisite and fine geometric line textures on the surfaces, and platinum light is shiny and silk glaring under the irradiation of lamplight.
To further illustrate a multi-dimensional optically variable glaze, multi-dimensional optically variable tile and methods of making the same of the present invention, the following examples are provided.
The preparation method of the multidimensional optically variable ceramic tile comprises the following steps:
step A, spreading ground coat on the surface of the green brick.
And B, printing on the surface of the green brick coated with the primer by using ink-jet printing equipment.
And C, spraying the protective glaze by adopting an electrostatic method.
Step D, printing functional ink on the surface of the green brick sprayed with the protective glaze by using ink-jet printing equipment; the functional ink comprises oily cnc ink and oily stripping ink.
And E, placing the green bricks in the step D into a drying kiln at 150 ℃ for drying.
And F, spreading the multidimensional optically variable glaze on the surface of the dried green brick.
And G, sintering and forming, wherein the conditions are as follows: calcining for 50-60 min at 1200 deg.C to obtain the multi-dimensional optically variable ceramic tile.
Pouring cement and ink on the surface of the multidimensional optically variable ceramic tile, and cleaning the surface by water after the cement and the ink are dried, so that the surface can be cleaned cleanly, and the antifouling grade reaches five grades. The Mohs hardness is five, the national standard is met, and the thermal stability of the ceramic tile meets the national standard requirement.
The preparation raw materials of the base glaze in each embodiment are prepared according to the following proportion (wt%):
the chemical components of the protective glaze in each embodiment are prepared according to the following proportion:
the chemical composition of the protective glaze in examples 1 to 3 is the same as in example 5.
The protective glazes obtained in comparative examples 1 to 4 and examples 4 to 5 were tested and the results are shown in the following table:
the results of each example and comparative example in the protective glaze were analyzed as follows:
(1) In comparative examples 1 and 2, too much silica was introduced, but the content of alumina was low, so that the skeleton component in the formulation was insufficient, resulting in a high glaze gloss, and the glaze layer had too high fluidity at high temperature, low viscosity at high temperature, the glaze layer could not be shaped at high temperature, and the three-dimensional feel of the surface layer was lost. In addition, the total amount of the calcium and magnesium components in the formula is higher, anorthite crystalline phases are formed at high temperature, so that the glaze is obviously devitrified, the color below the glaze layer cannot be developed, and the color development effect is poor.
(2) In comparative example 3, the content of alumina is increased by reducing the content of part of silica, so that the skeleton component in the formula is integrally improved, the glossiness of the glaze is obviously reduced to 9-15 degrees, the high-temperature fluidity is obviously improved, the measured data of a plate method is reduced from 70-73 mm to 48-50 mm, but the glaze effect is thicker, the transparency is slightly poor, and the color layer below the glaze layer is not clear.
(3) Comparative example 4 based on comparative example 3, the content of silica was further reduced, while introducing strontium carbonate compound for providing strontium oxide, which acts as a flux, can reduce the high temperature ripening temperature of the protective glaze, promoting the further sintering of the glaze layer; the high-temperature viscosity of the protective glaze is improved, the firing viscosity is properly reduced, the high-temperature ductility of the glaze layer is improved, the measured data of the plate method is increased from 48-50 mm to 50-53 mm, the color development capability is further improved, but the texture of the glaze is still insufficient, and the surface fineness is insufficient.
(4) In the embodiment 4, on the basis of the comparative example 4, the proportion of zinc oxide is greatly improved, the content of silicon oxide is reduced, the smoothness and the fineness of the glaze surface are obviously improved, meanwhile, the delicacy and the third dimension of the glaze layer are better kept, the high-temperature viscosity of the glaze layer is further optimized and improved, the transparency and the color development capability of the glaze layer are good, and the glossiness of the glaze surface also meets the matte requirement of 3-8 degrees. However, excessive zinc oxide is introduced, so that the glaze has slight weak yellow color and has certain adverse effect on the pattern.
(5) In the embodiment 5, the high-purity quartz powder is adopted to replace the existing quartz raw materials, the contents of ferric oxide and titanium oxide are respectively reduced to 0.2 percent and 0.14 percent, the purity and the transparency of the glaze are obviously improved, and the color of the pattern under the glaze layer is clean, bright in color and transparent in texture.
The raw materials of the multidimensional optically variable glaze are prepared according to the following proportion (wt%):
the raw material components for preparing the multidimensional optically variable glaze in examples 1 to 3 are the same as those in example 5.
The multi-dimensional optically variable glaze effect is compared as follows:
the results of each comparative example in the multidimensional optically variable glazing were analyzed as follows:
(1) The addition of a proper amount of barium carbonate is favorable for improving the smoothness and glossiness of the glaze, plays a role of fluxing, and improves the refractive index of the glaze layer, but excessive barium carbonate is added in comparative example 5, so that barium feldspar crystalline phases are gradually generated in the high-temperature sintering process of the introduced barium oxide, the glaze layer starts to be devitrified, and the transparency is reduced.
(2) Quartz is a key component of transparency and glossiness of a glaze layer, and comparative example 6 contains 24% of quartz, so that the melting temperature and high-temperature viscosity of the multidimensional optically variable glaze are greatly reduced, defects such as pinholes and ripples are generated on the glaze surface, the smoothness of the glaze surface is poor, the glossiness of the glaze surface is greatly increased, and excessive silicon oxide is introduced, so that insufficient high-temperature melting is easily generated, a residual quartz crystal phase exists in the glaze layer, and the transparency of the glaze layer is reduced.
(3) The addition of calcined alumina was used to make a glaze with a multidimensional optically variable glaze possess a certain concave-convex feel, and the sintering temperature of calcined alumina was high, but comparative example 7 added excessive calcined alumina too coarsely to make the concave-convex of the glaze, devitrify the glaze layer, reduce the glossiness of the glaze layer, and affect the color development ability of the pattern layer.
The multidimensional optically variable glaze contains high content of barium oxide and zinc oxide, has high transparency and proper high-temperature viscosity, ensures that the glaze layer has good high-temperature heat plastic deformation resistance at high temperature by utilizing tiny crystal grains in the glaze layer, thereby better maintaining the fine engraving texture effect, and realizes the effects of three-dimensional and flash conversion of the tile surface texture under different angles by adjusting the line diameter and angle of directional arrangement lines in the texture and utilizing the difference between the incident angles of light rays by referring to a frame type composition technique.
The protective glaze is high-temperature low-glossiness protective glaze, contains high-content alumina, is matched with fluxing agents zinc oxide, barium oxide and strontium oxide, has glossiness of 3-8 degrees on the glaze surface, plays a role in isolating pattern ink layers, and forms a sintering temperature difference with the multidimensional optically variable glaze, so that the stereoscopic impression of the multidimensional optically variable glaze is enhanced; in addition, by introducing an electrostatic glaze spraying process, the charged protective glaze is sprayed on the surface of the ceramic tile by utilizing an ionization principle, so that a thin and uniform glaze spraying effect is achieved, the glazing thickness is controlled to be 30-40 mu m, the co-melting with multidimensional light-changing glaze is effectively reduced, and better standing feeling and clear boundaries are ensured.
Referring to fig. 6 and 7, the glaze effect diagrams of the multidimensional optically variable ceramic tile prepared in example 4 and example 5 are shown, and the special luster effects of multiple dimensions, different angles and different direction light shadows can be seen from the diagrams, and the geometric line textures of the surfaces are exquisite and fine, so that platinum light shines and silks are shown under the irradiation of lamplight.
In summary, the preparation method of the multi-dimensional optically variable ceramic tile provided by the invention comprehensively utilizes various glazes with performance difference, is combined with a frame type composition technique, and utilizes multiple processes such as a grafting electrostatic spraying glazing method, two ink jet printing devices for sectional printing and the like through optimization of a production glazing process, so that a green body die is not needed to be carved, the cost of the die is reduced, and the research and development expenditure cost is reduced.
It will be understood that equivalents and modifications will occur to those skilled in the art based on the present invention and its spirit, and all such modifications and substitutions are intended to be included within the scope of the present invention.
Claims (9)
1. The multi-dimensional optically variable ceramic tile is characterized by sequentially comprising a green brick layer, a ground coat layer, a printing layer, a protective glaze layer, a functional ink layer and a multi-dimensional optically variable glaze layer from bottom to top; the protective glaze layer is formed by firing protective glaze, and the protective glaze comprises the following chemical components in percentage by mass: siO (SiO) 2 45% -46% of Al 2 O 3 20.5 to 21.5 percent, 2.8 to 3.5 percent of MgO, 6.5 to 7.0 percent of CaO and Na 2 O is 1.5-2.0%, K 2 2.5 to 3.0 percent of O, 5.5 to 6.5 percent of ZnO, 3.0 to 4.0 percent of BaO and Fe 2 O 3 0.2 to 0.35 percent of TiO 2 0.13 to 0.25 percent, 0 to 3 percent of SrO and the balance of loss on ignition; the multi-dimensional optically variable glaze layer is formed by firing multi-dimensional optically variable glaze, and the chemical composition of the multi-dimensional optically variable glaze comprises the following components in percentage by mass: siO (SiO) 2 55% -60% of Al 2 O 3 16.5 to 18 percent, 0.3 to 0.5 percent of MgO, 2.5 to 3.5 percent of CaO and Na 2 O is 2.0-3.0%, K 2 3.0 to 4.0 percent of O, 2.5 to 3.5 percent of ZnO, 5.5 to 6.5 percent of BaO and Fe 2 O 3 0.1 to 0.25 percent and the balance of loss on ignition.
2. The multi-dimensional optically variable tile according to claim 1, wherein the raw materials for preparing the multi-dimensional optically variable glaze comprise the following components in percentage by mass: 28 to 33 percent of frit, 15 to 20 percent of quartz powder, 15 to 18 percent of potassium feldspar, 0 to 3 percent of calcined talcum, 2 to 6 percent of calcite, 9 to 13 percent of nepheline, 7 to 10 percent of kaolin, 7 to 10 percent of barium carbonate, 2 to 5 percent of zinc oxide and 1 to 3 percent of calcined alumina.
3. The multi-dimensional optically variable tile according to claim 1, wherein the raw materials for preparing the protective glaze comprise the following components in percentage by mass: 5 to 7 percent of potassium feldspar, 17 to 19 percent of albite, 7 to 9 percent of quartz powder, 17 to 20 percent of calcite, 20 to 24 percent of kaolin, 3 to 5 percent of nepheline, 9 to 11 percent of air knife soil, 1 to 2 percent of calcined alumina, 5 to 7 percent of dolomite and 5 to 7 percent of calcined talcum.
4. A multi-dimensional optically variable tile according to claim 3, wherein the protective glaze has a specific gravity of 1.82 to 1.85g/cm 3 The fineness screen residue of 325 meshes is 0.6-1.0%, and the flow rate is 45-60 seconds; the protective glaze also comprises water, wherein the water accounts for 28-31% of the total mass of the protective glaze.
5. The multi-dimensional optically variable tile according to claim 1, wherein said primer layer is fired from a primer, said primer having a chemical composition, in mass percent: siO (SiO) 2 52% -56% of Al 2 O 3 26 to 29 percent of MgO, 0.45 to 0.5 percent of CaO, 1.0 to 1.5 percent of Na 2 O is 3.5-4.0%, K 2 1.8 to 2.3 percent of O, 0.02 to 0.08 percent of ZnO, 0.02 to 0.08 percent of BaO and Fe 2 O 3 0.2 to 0.3 percent of TiO 2 0.13 to 0.25 percent and the balance of loss on ignition.
6. A method for preparing a multi-dimensional optically variable tile according to any one of claims 1 to 5, comprising the steps of:
step A, spreading ground coat on the surface of the green brick;
step B, printing on the surface of the adobe coated with the primer;
step C, spraying the protective glaze by adopting an electrostatic method;
step D, printing functional ink on the surface of the green brick sprayed with the protective glaze;
e, drying the green bricks in the step D;
step F, distributing the multidimensional optically variable glaze on the surface of the dried green brick;
step G, firing and forming to obtain the multi-dimensional optically variable ceramic tile;
wherein the sintering temperature of the protective glaze in the step C is higher than that of the multidimensional optically variable glaze in the step F.
7. The method for preparing a multi-dimensional optically variable tile according to claim 6, wherein in step D, the functional ink is printed by an inkjet printing apparatus, and the functional ink includes oily engraving ink and oily stripping ink; the line diameter of the ink jet printed line ranges from 6PX to 8PX.
8. The method of producing a multi-dimensional optically variable tile according to claim 7, wherein the angle of the inkjet printed lines ranges from 35 to 85 ° and from 100 to 165 °.
9. The method for preparing a multi-dimensional optically variable tile according to claim 6, wherein the firing forming conditions in step G are as follows: calcining for 50-60 minutes under the condition that the sintering temperature is 1200 ℃; the sintering temperature of the protective glaze is 1250-1255 ℃, and the sintering temperature of the multi-dimensional optically variable glaze is 1195-1200 ℃.
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|---|---|---|---|---|
| CN110357668A (en) * | 2019-08-09 | 2019-10-22 | 东莞市唯美陶瓷工业园有限公司 | A kind of full throwing glaze Ceramic Tiles and preparation method thereof with graininess flashing ornaments |
| CN110436936A (en) * | 2019-08-09 | 2019-11-12 | 东莞市唯美陶瓷工业园有限公司 | A kind of photochromic Ceramic Tiles of decorative pattern and preparation method thereof |
| CN113480174A (en) * | 2021-07-27 | 2021-10-08 | 蒙娜丽莎集团股份有限公司 | Semi-bright dry granular glaze with fine texture and application of semi-bright dry granular glaze in ceramic plate |
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2021
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110357668A (en) * | 2019-08-09 | 2019-10-22 | 东莞市唯美陶瓷工业园有限公司 | A kind of full throwing glaze Ceramic Tiles and preparation method thereof with graininess flashing ornaments |
| CN110436936A (en) * | 2019-08-09 | 2019-11-12 | 东莞市唯美陶瓷工业园有限公司 | A kind of photochromic Ceramic Tiles of decorative pattern and preparation method thereof |
| CN113480174A (en) * | 2021-07-27 | 2021-10-08 | 蒙娜丽莎集团股份有限公司 | Semi-bright dry granular glaze with fine texture and application of semi-bright dry granular glaze in ceramic plate |
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