CN111170638B - Super stain-resistant ceramic tile color-preserving glaze, stain-resistant ceramic tile and preparation process thereof - Google Patents
Super stain-resistant ceramic tile color-preserving glaze, stain-resistant ceramic tile and preparation process thereof Download PDFInfo
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- CN111170638B CN111170638B CN202010064671.XA CN202010064671A CN111170638B CN 111170638 B CN111170638 B CN 111170638B CN 202010064671 A CN202010064671 A CN 202010064671A CN 111170638 B CN111170638 B CN 111170638B
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- ceramic tile
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- 239000000919 ceramic Substances 0.000 title claims abstract description 155
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 48
- 238000010304 firing Methods 0.000 claims abstract description 35
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229960000892 attapulgite Drugs 0.000 claims abstract description 28
- 229910052625 palygorskite Inorganic materials 0.000 claims abstract description 28
- 239000011787 zinc oxide Substances 0.000 claims abstract description 24
- 239000001506 calcium phosphate Substances 0.000 claims abstract description 20
- 229910000389 calcium phosphate Inorganic materials 0.000 claims abstract description 20
- 235000011010 calcium phosphates Nutrition 0.000 claims abstract description 20
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 claims abstract description 20
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 19
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 19
- 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 abstract description 19
- HGHPQUIZVKPZEU-UHFFFAOYSA-N boranylidynezirconium Chemical compound [B].[Zr] HGHPQUIZVKPZEU-UHFFFAOYSA-N 0.000 claims abstract description 18
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 18
- 239000010453 quartz Substances 0.000 claims abstract description 17
- 239000000454 talc Substances 0.000 claims abstract description 16
- 229910052623 talc Inorganic materials 0.000 claims abstract description 16
- 235000012222 talc Nutrition 0.000 claims abstract description 16
- 229910052656 albite Inorganic materials 0.000 claims abstract description 15
- 239000010433 feldspar Substances 0.000 claims abstract description 12
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims abstract description 10
- 229940072033 potash Drugs 0.000 claims abstract description 10
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims abstract description 10
- 235000015320 potassium carbonate Nutrition 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims description 24
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 20
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 20
- 230000005484 gravity Effects 0.000 claims description 13
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 13
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 11
- CHWRSCGUEQEHOH-UHFFFAOYSA-N potassium oxide Chemical compound [O-2].[K+].[K+] CHWRSCGUEQEHOH-UHFFFAOYSA-N 0.000 claims description 11
- 229910001950 potassium oxide Inorganic materials 0.000 claims description 11
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 11
- 229910001948 sodium oxide Inorganic materials 0.000 claims description 11
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 10
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 claims description 10
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 10
- 239000000292 calcium oxide Substances 0.000 claims description 10
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 10
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 10
- 239000000395 magnesium oxide Substances 0.000 claims description 10
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 10
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 10
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims description 10
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 10
- 230000000630 rising effect Effects 0.000 claims description 9
- 238000000498 ball milling Methods 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 229910052810 boron oxide Inorganic materials 0.000 claims description 7
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 6
- 238000007873 sieving Methods 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims description 6
- 238000009736 wetting Methods 0.000 claims description 6
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 6
- 229910000464 lead oxide Inorganic materials 0.000 claims description 5
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 16
- 230000008569 process Effects 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 11
- 238000002844 melting Methods 0.000 abstract description 5
- 230000008018 melting Effects 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 abstract description 5
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 11
- 239000002245 particle Substances 0.000 description 9
- 239000007789 gas Substances 0.000 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 description 6
- 239000003344 environmental pollutant Substances 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- 230000003373 anti-fouling effect Effects 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000003599 detergent Substances 0.000 description 3
- 206010034972 Photosensitivity reaction Diseases 0.000 description 2
- 206010057040 Temperature intolerance Diseases 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 230000008543 heat sensitivity Effects 0.000 description 2
- 238000009830 intercalation Methods 0.000 description 2
- 230000002687 intercalation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052863 mullite Inorganic materials 0.000 description 2
- 230000006911 nucleation Effects 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000036211 photosensitivity Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000004017 vitrification Methods 0.000 description 2
- 235000014692 zinc oxide Nutrition 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- OBNDGIHQAIXEAO-UHFFFAOYSA-N [O].[Si] Chemical compound [O].[Si] OBNDGIHQAIXEAO-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
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- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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- 230000006872 improvement Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010494 opalescence Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
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
- C03C8/14—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions
- C03C8/20—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions containing titanium compounds; containing zirconium compounds
-
- 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
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Glass Compositions (AREA)
- Finishing Walls (AREA)
Abstract
The invention discloses a super stain-resistant ceramic tile color-retaining glaze, a stain-resistant ceramic tile and a preparation process thereof, wherein the super stain-resistant ceramic tile color-retaining glaze comprises the following components in percentage by weight: 20-25% of potash feldspar, 15-20% of albite, 6-15% of kaolin, 0.5-3% of talc, 6-10% of quartz, 2-3% of zinc oxide, 2.5-3% of boron zirconium frit, 10.5-20% of attapulgite and 5-9% of calcium phosphate; the mass ratio of the boron-zirconium frit, the attapulgite and the calcium phosphate is 1: (3-6): (2-3). Through adding the attapulgite with the laminated structure, as the glaze and the blank body both contain more bound water, the glaze discharges water when firing, more air holes can be generated in the water discharging process, the formed capillary channel is used for the escape of gas generated in the firing process of the carbonate raw material in the follow-up glaze, the glaze continues to heat up the component for further melting to fill and level up the capillary channel, the air holes on the surface of the ceramic tile are reduced, the gas generated when firing is discharged along the capillary channel, the air holes of the ceramic tile are obviously reduced, the surface is smoother, and the stain resistance effect of the stain-resistant ceramic tile color-preserving glaze is enhanced.
Description
Technical Field
The invention relates to the technical field of ceramic tiles, in particular to a super stain-resistant ceramic tile color-retaining glaze, a stain-resistant ceramic tile and a preparation process thereof.
Background
The ceramic tile has the characteristics of easy cleaning and long service life, can be used for more than 10 years under the condition of no external force damage, is widely used in the field of home buildings, and has a plurality of types which are extended after years of development, and mainly comprises glazed tiles, full-body tiles, polished tiles, vitrified tiles and mosaics, wherein the glazed tiles are prepared by applying different types of glaze layers on the surface of the ceramic tile, have rich color patterns, higher surface strength, more specification types and convenient cleaning, and are the most extensive type used in the ceramic tile.
However, in the process of firing the existing glazed tile, because the firing process and the raw materials are selected unreasonably, the surface of the prepared glazed tile has many micropores and microcracks, stains can be attached to the micropores after the ceramic tile is used for a period of time, the surface of the ceramic tile can be wholly yellowed or grayed after the stains are accumulated for a period of time, the stains are difficult to remove in the micropores by simply wiping, the stains in the micropores need to be removed by a detergent, but the glaze structure on the surface layer of the ceramic tile can be damaged after the detergent is used for many times, the glossiness of the surface of the ceramic tile is reduced, and most of the detergents contain many organic solvents, so that the environment pollution is great in the washing process.
Disclosure of Invention
The invention mainly aims to provide super stain-resistant ceramic tile color-preserving glaze, a stain-resistant ceramic tile and a preparation process thereof, and aims to solve the technical problem that stains are easy to attach to micropores and cracks to cause the whole ceramic tile to turn yellow or gray after the ceramic tile is used for a period of time due to the fact that part of holes and microcracks exist after the existing overglaze is used on the surface of the ceramic tile.
In order to achieve the purpose, the invention provides super stain-resistant ceramic tile color-preserving glaze which comprises the following components in percentage by weight: 20-25% of potash feldspar, 15-20% of albite, 6-16% of kaolin, 0.5-3% of talc, 6-10% of quartz, 2-3% of zinc oxide, 2.5-3% of boron-zirconium frit, 10.5-20% of attapulgite and 5-9% of calcium phosphate;
the mass ratio of the attapulgite to the calcium phosphate is 1: (3-6): (2-3).
Preferably, the cerium oxide is also included by 1-2% by weight.
Preferably, the composition comprises the following components in percentage by weight: 24% of potassium feldspar, 18% of albite, 16% of kaolin, 2% of talc, 8% of quartz, 3% of zinc oxide, 2% of cerium oxide, 3% of boron zirconium frit, 17% of attapulgite and 7% of calcium phosphate.
The invention also provides a preparation process of the stain-resistant ceramic tile, and the super stain-resistant ceramic tile color-preserving glaze using any one of the above ceramic tiles comprises the following steps: weighing crushed potash feldspar, albite, kaolin, talc, quartz, zinc oxide, cerium oxide, boron-zirconium frit, attapulgite and calcium phosphate according to the weight percentage, adding water, mixing, and then performing ball milling for 6-7h, wherein the mass ratio of the total mass of each component to the water is 100: (40-50), sieving to obtain the super stain-resistant ceramic tile color-preserving glaze;
and drying the blank body, spraying water on the surface of the blank body for wetting, then applying a ground glaze on the surface of the blank body, applying a super stain-resistant ceramic tile color-preserving glaze on the surface of the ground glaze, and putting the ceramic tile color-preserving glaze into a kiln for firing to obtain the stain-resistant ceramic tile.
Preferably, the chemical composition of the ground glaze is as follows: 58-63% of silicon oxide, 15-20% of aluminum oxide, 5-8% of potassium oxide, 4-8% of sodium oxide, 0.05-0.1% of ferric oxide, 6-9% of calcium oxide, 1-1.5% of magnesium oxide, 1.5-2% of lead oxide, 0.01-0.03% of zirconium oxide, 1-1.5% of barium oxide, 2-3% of zinc oxide, 0.1-0.6% of titanium oxide and 0.01-0.03% of boron oxide.
Preferably, the chemical composition of the body is: 68-72% of silicon oxide, 16-18% of aluminum oxide, 3-4% of calcium oxide, 1-1.5% of magnesium oxide, 0.5-0.6% of ferric oxide, 3-4% of potassium oxide, 3-4% of sodium oxide and 0.2-0.6% of titanium oxide.
Preferably, the "kiln firing" step comprises three temperature raising stages: heating to 700-800 deg.C at a rate of 5-6 deg.C/min, heating to 900-950 deg.C at a rate of 3-5 deg.C/min, heating to 1150-1250 deg.C at a rate of 1.5-2 deg.C/min, holding for 45-60min, and naturally cooling.
Preferably, the fineness of the super pollution-resistant ceramic tile color-retaining glaze is 325 meshes of residual 0.1-0.2%.
Preferably, the specific gravity of the ground glaze is 1.7-1.84g/ml, and the specific gravity of the color-preserving glaze of the super stain-resistant ceramic tile is 1.87-1.9g/ml.
In addition, the invention also provides a stain-resistant ceramic tile, which uses the preparation process of any one of the stain-resistant ceramic tiles, and the stain-resistant ceramic tile sequentially comprises the following components from bottom to top: the green body layer is 8-10mm in thickness, the ground glaze layer is 0.5-0.8mm in thickness, and the super stain-resistant ceramic tile color-retaining glaze layer is 0.08-0.16mm in thickness.
The super stain-resistant ceramic tile color-preserving glaze provided by the invention has the following beneficial effects: by adding the zinc oxide, the melting range of the glaze is expanded, the cracking of the glaze in the firing process is prevented, the fineness of the glaze is improved, and the possibility that pollutants are attached to the surface of the ceramic tile is reduced. In addition, the attapulgite with a layered structure is added, as the glaze and the blank contain more bound water, the glaze can discharge water when being heated to about 1000 ℃ during firing, more air holes can be generated during the water discharging process, and the formed capillary channel can be used for subsequent glazeThe gas generated in the firing process of the carbonate raw material in the material escapes, the glaze material is continuously heated and fired to further melt the components to fill and level the capillary channel, so that the pores on the surface of the ceramic tile are reduced, and the gas generated in the firing process is discharged along the capillary channel, so that the pores on the fired ceramic tile are obviously reduced, the surface is smooth, and the stain resistance effect of the stain-resistant ceramic tile color-preserving glaze is further enhanced. By adding cerium oxide, the cerium oxide can enter the layered intercalation of the attapulgite, so that the crystallization effect of the attapulgite is good, the glaze structure is more compact, the particles of the oxide are fine, the grains are refined, and the existence form of the cerium oxide in the glaze is Ce 2+ And Ce 4+ ，Ce 4+ Has better photosensitivity and heat sensitivity, and is easy to react in the firing process to initiate the spontaneous nucleation of glaze, thereby reducing the crystallization activation energy, refining the grains of the glaze and having compact structure.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of the layered structure of the attapulgite of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the technical solutions in the embodiments may be combined with each other, but must be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a super stain-resistant ceramic tile color-preserving glaze. The super stain-resistant ceramic tile color-retaining glaze is mainly used in the preparation of ceramic tiles, plays a role in protecting the surfaces of the ceramic tiles, reduces holes on the surfaces of the ceramic tiles, and avoids the phenomenon that pollutants are attached to the holes on the surfaces of the ceramic tiles to form stains which are difficult to remove and the phenomenon that the overall glossiness of the ceramic tiles is greatly reduced after the ceramic tiles are used for a period of time.
In one embodiment of the invention, the super stain-resistant ceramic tile color-preserving glaze comprises the following components in percentage by weight: 20-25% of potash feldspar, 15-20% of albite, 6-16% of kaolin, 0.5-3% of talc, 6-10% of quartz, 2-3% of zinc oxide, 2.5-3% of boron-zirconium frit, 10.5-20% of attapulgite and 5-9% of calcium phosphate;
the mass ratio of the attapulgite to the calcium phosphate is 1: (3-6): (2-3).
Specifically, the super stain-resistant ceramic tile color-preserving glaze comprises the following basic components: quartz, talc, kaolin, potassium feldspar and albite, wherein the quartz mainly provides silicon dioxide, is a main component for generating vitreous glaze, can improve the melting temperature and viscosity of the glaze, and reduces the thermal expansion coefficient of the glaze; potassium and nano feldspar are melted at high temperature to form a viscous glass melt which can be used as a solvent to dissolve part of kaolin decomposition products and quartz particles, so that mutual diffusion among the kaolin particles is promoted, and generation and development of mullite crystals are accelerated; the kaolin has better plasticity and sintering property, and has certain improvement effect on the suspension property and stability of the glaze, the content of the potassium feldspar and the sodium feldspar is respectively 20-25% and 15-20%, and the addition amount of the kaolin clay raw material is more, so that the generation of a glass phase is facilitated at high temperature, the liquid phase amount of the glaze is increased, the vitrification degree is improved, the capillary porosity is reduced, and the antifouling property of the super-stain-resistant ceramic tile color-preserving glaze is improved. The addition amount of the talc in the glaze is 0.5-3%, so that the melting temperature of the glaze can be reduced, the generation of mullite is further accelerated, and the transparency of the color-preserving glaze of the super stain-resistant ceramic tile is improved. Besides the basic components, the super stain-resistant ceramic tile color-preserving glaze is added with zinc oxide, and 2-3% of zinc oxide is added, so that the melting range of glaze can be enlarged, cracking of the glaze in the firing process is prevented, the fineness of the glaze is improved, cracks of the super stain-resistant ceramic tile color-preserving glaze and a blank body after firing are fewer, the possibility that pollutants are attached to the surface of a ceramic tile is reduced, the whiteness and the glossiness of the surface of the ceramic tile are improved in a small range by adding the zinc oxide, and the super stain-resistant ceramic tile color-preserving glaze on the surface of the ceramic tile still has better whiteness and glossiness after being used for a long time due to better stain-resistant effect.
Besides the primary anti-fouling performance of zinc oxide, the super-fouling-resistant ceramic tile color-preserving glaze is also added with boron-zirconium frit, attapulgite and calcium phosphate in a mass ratio of 1: (3-6): (2-3), blending boron zirconium frit and calcium phosphate to improve the opacifying effect and improve the opalescence of the glaze, wherein the boron zirconium frit consists of boron oxide and zirconium oxide. In addition, the attapulgite with a relatively large proportion is added, as shown in fig. 1, the attapulgite has a layered structure, as the glaze contains more bound water, the glaze can discharge the water when heated to about 1000 ℃ during firing, and more air holes can be generated during the water discharging process, so that the formed capillary channel can be used for the escape of gas generated during the firing process of carbonate raw materials in the subsequent glaze, the glaze is continuously heated and fired to further melt the components to fill and level the capillary channel, so that the air holes on the surface of the ceramic tile are reduced, and the gas generated during firing is discharged along the capillary channel, so that the air holes of the ceramic tile after firing are obviously reduced, the surface is smooth, and the stain resistance effect of the super-glaze color ceramic tile is further enhanced.
Further, the cerium oxide is also included by 1-2% by weight. Thus, the cerium oxide is added into the color-preserving glaze of the super-stain-resistant ceramic tile, so that bubbles can be obviously reduced, the surface of a glaze layer is flat and smooth and is rich in luster, the viscosity of the color-preserving glaze of the super-stain-resistant ceramic tile is reduced and the suspension property is enhanced due to the addition of the cerium oxide, so that the fluidity of glaze is improved, the ceramic tile is more compact during firing, and the bubbles are promoted to flow from the color-preserving glaze of the super-stain-resistant ceramic tileThe cerium oxide escapes, and can enter into the layered intercalation of the attapulgite, so that the crystallization effect of the attapulgite is good, the glaze structure is more compact, and the cerium oxide has stronger oxidability and exists in the glaze in the form of Ce 2+ And Ce 4+ ，Ce 4+ The glaze has better photosensitivity and heat sensitivity, and is easy to react in the firing process to initiate spontaneous nucleation of the glaze, so that the crystallization activation energy is reduced, the grains of the glaze are refined, the structure is compact, the particles of the oxide are fine, and the grains are refined.
Further, the paint comprises the following components in percentage by weight: 24% of potassium feldspar, 18% of albite, 16% of kaolin, 2% of talc, 8% of quartz, 3% of zinc oxide, 2% of cerium oxide, 3% of boron zirconium frit, 17% of attapulgite and 7% of calcium phosphate. The embodiment is an optimal group of mixture ratio, and the stain resistance effect of the super stain resistant ceramic tile color-retaining glaze is the best within the range.
The invention also provides a preparation process of the stain-resistant ceramic tile, and the super stain-resistant ceramic tile color-preserving glaze using any one of the above ceramic tiles comprises the following steps: weighing crushed potash feldspar, albite, kaolin, talc, quartz, zinc oxide, cerium oxide, boron-zirconium frit, attapulgite and calcium phosphate according to the weight percentage, adding water, mixing, and then performing ball milling for 6-7h, wherein the mass ratio of the total mass of each component to the water is 100: (40-50), sieving to obtain the super stain-resistant ceramic tile color-preserving glaze; and drying the blank body, spraying water on the surface of the blank body for wetting, then applying a ground glaze on the surface of the blank body, applying a super stain-resistant ceramic tile color-preserving glaze on the surface of the ground glaze, and putting the ceramic tile color-preserving glaze into a kiln for firing to obtain the stain-resistant ceramic tile.
The preparation process of the stain-resistant ceramic tile comprises the steps of preparing the stain-resistant ceramic tile color-preserving glaze and preparing the ceramic tile, wherein the components of the stain-resistant ceramic tile color-preserving glaze are prepared, mixing and ball milling are carried out, the ball milling time is long, the agglomeration of large particles of the stain-resistant ceramic tile color-preserving glaze is avoided, the particle size of the finally obtained stain-resistant ceramic tile color-preserving glaze is small, then the ceramic tile is prepared, the blank body is dried firstly, redundant water in the blank body is removed, the surface of the dried blank body needs to be wetted by water spraying, and then the application of the ground glaze is carried out. The viscosity of the finally prepared super stain-resistant ceramic tile color-retaining glaze is 0.14-0.18 Pa.s, the viscosity is in a better range, the dispersion of the glaze is ensured, the glaze is tightly adhered to the ground glaze and the ceramic tile and fully reacted, the glazing efficiency is higher, the thickness of the glaze layer is uniform, and the glaze shrinkage phenomenon is avoided.
Further, the chemical composition of the ground glaze is as follows: 58-63% of silicon oxide, 15-20% of aluminum oxide, 5-8% of potassium oxide, 4-8% of sodium oxide, 0.05-0.1% of ferric oxide, 6-9% of calcium oxide, 1-1.5% of magnesium oxide, 1.5-2% of lead oxide, 0.01-0.03% of zirconium oxide, 1-1.5% of barium oxide, 2-3% of zinc oxide, 0.1-0.6% of titanium oxide and 0.01-0.03% of boron oxide.
The ground glaze contains various oxides, the silicon-oxygen ratio in the ground glaze is also higher, the vitrification temperature is lower, more bubbles can not be generated during firing, a small amount of boron oxide is contained, the water absorption of the ceramic tile is reduced, the bending strength is improved, the ground glaze is used as a first layer of glaze applied on a ceramic tile blank, fine microcracks on the surface of the blank are filled, the surface smoothness of the blank is improved, the stain resistance of the ceramic tile is enhanced, the adhesive force of the color-preserving glaze of the super stain-resistant ceramic tile is enhanced, and the production cost is reduced.
Further, the chemical composition of the blank is as follows: 68-72% of silicon oxide, 16-18% of aluminum oxide, 3-4% of calcium oxide, 1-1.5% of magnesium oxide, 0.5-0.6% of ferric oxide, 3-4% of potassium oxide, 3-4% of sodium oxide and 0.2-0.6% of titanium oxide. It can be understood that the green body in this embodiment contains 58-62% of silicon oxide, and if the silicon oxide is added too much, the strength of the green body is too low, and the green body may be easily cracked due to shrinkage of the green body during firing, and the content of the silicon oxide should not be added too little, otherwise the shrinkage of the green body is too large during firing, and the green body is peeled from the glaze. The addition amount of the aluminum oxide is also less and is 16-18%, so that the sintering temperature of the green body is not overhigh, and the potassium oxide and the sodium oxide are also added into the green body, so that the sintering range of the green body is expanded.
Further, the step of kiln firing comprises three temperature rising stages: heating to 700-800 deg.C at a rate of 5-6 deg.C/min, heating to 900-950 deg.C at a rate of 3-5 deg.C/min, heating to 1150-1250 deg.C at a rate of 1.5-2 deg.C/min, holding for 45-60min, and naturally cooling.
Thus, the firing in the kiln is divided into three temperature rising stages, the temperature rises section by section, refractory particles in the green body, the ground glaze and the super stain-resistant ceramic tile color-preserving glaze are all in a molten state in the firing process, the glaze surface is smooth, the stain resistance of the ceramic tile is enhanced, the temperature of the first temperature rising stage is 700-800 ℃, the temperature of the second temperature rising stage is 900-950 ℃, the temperature of the third temperature rising stage is 1150-1250 ℃, and the method is suitable for the firing range of the green body, the ground glaze and the super stain-resistant ceramic tile color-preserving glaze.
Further, the fineness of the super stain-resistant ceramic tile color-retaining glaze is 0.1-0.2% of 325-mesh sieve residue. The fineness of the glaze is smaller, particularly the screen mesh allowance of 325 meshes is 0.1-0.2%, the fineness of the glaze layer on the surface of the ceramic tile is ensured, the contact area of the surface of the ceramic tile and pollutants is smaller, so that fewer pollutants are adsorbed on the surface of the ceramic tile, when the glaze particles are thicker, more unmelted fine particles, and unsealed bubbles and pinholes can be present after firing, the fine particles, the bubbles and the pinholes can cause roughness of the surface of the ceramic tile, and the pollutant absorption capacity of the surface of the ceramic tile is intensified, so that the fineness of the glaze needs to be controlled to be 0.1-0.2% of the screen mesh allowance of 325 meshes, in addition, the fineness of the glaze is not too thin, the glaze powder with the thinner particles is very fast sintered in the sintering process, the firing shrinkage is intensified, the glaze can cause higher viscosity of the glaze when the temperature is lower, the stress can also be concentrated, the surface of the ceramic tile is cracked, and the antifouling performance of the surface of the ceramic tile is further reduced.
Further, the specific gravity of the ground glaze is 1.7-1.84g/ml, and the specific gravity of the super stain-resistant ceramic tile color-retaining glaze is 1.87-1.9g/ml. The specific gravity difference between the ground glaze and the super stain-resistant ceramic tile color-preserving glaze is small, the specific gravity of the ground glaze is small, the adhesiveness of the super stain-resistant ceramic tile color-preserving glaze is improved, the specific gravity of the ground glaze during glazing is lower than that of the super stain-resistant ceramic tile color-preserving glaze, organic gas can be discharged from a blank body, the glaze quality is greatly improved, and the stain resistance of the ceramic tile is further improved.
In addition, the invention also provides a stain-resistant ceramic tile, which uses the preparation process of any one of the stain-resistant ceramic tiles, and the stain-resistant ceramic tile sequentially comprises the following components from bottom to top: the green body layer is 8-10mm in thickness, the ground glaze layer is 0.5-0.8mm in thickness, and the super stain-resistant ceramic tile color-retaining glaze layer is 0.08-0.16mm in thickness.
The bottom glaze and the super stain-resistant ceramic tile color-preserving glaze applied on the body improve the stain resistance of the ceramic tile, the thickness of the bottom glaze is larger, the thickness of the super stain-resistant ceramic tile color-preserving glaze on the surface layer is relatively thinner, the gas in the body and the bottom glaze is favorably discharged during firing, the time for the gas to diffuse to the super stain-resistant ceramic tile color-preserving glaze is shorter, the prepared ceramic tile has better glossiness, and the surface is smoother.
Example 1
Weighing 24% of crushed potassium feldspar, 18% of albite, 16% of kaolin, 2% of talc, 8% of quartz, 3% of zinc oxide, 2% of cerium oxide, 3% of boron-zirconium frit, 17% of attapulgite and 7% of calcium phosphate according to weight percentage, adding water, mixing, and then carrying out ball milling for 6 hours, wherein the mass ratio of the total mass of each component to the mass of water is 100:45, obtaining the super stain-resistant ceramic tile color-retaining glaze after sieving, wherein the fineness of the super stain-resistant ceramic tile color-retaining glaze is 0.1 percent of the surplus of a 325-mesh sieve, the specific gravity of the ground glaze is 1.75g/ml, and the specific gravity of the super stain-resistant ceramic tile color-retaining glaze is 1.87g/ml;
after drying the blank, spraying water on the surface of the blank for wetting, wherein the blank comprises the following chemical components: 71.4% of silicon oxide, 16% of aluminum oxide, 3% of calcium oxide, 1.5% of magnesium oxide, 0.5% of ferric oxide, 3% of potassium oxide, 4% of sodium oxide and 0.6% of titanium oxide; then applying a ground coat on the surface of the blank, wherein the ground coat comprises 58% of silicon oxide, 15.15% of aluminum oxide, 6% of potassium oxide, 7% of sodium oxide, 0.1% of ferric oxide, 6% of calcium oxide, 1% of magnesium oxide, 1.7% of lead oxide, 0.03% of zirconium oxide, 1.5% of barium oxide, 3% of zinc oxide, 0.5% of titanium oxide and 0.02% of boron oxide; applying super stain-resistant ceramic tile color-preserving glaze on the surface of the ground glaze, putting the ceramic tile color-preserving glaze into a kiln to be fired to prepare the stain-resistant ceramic tile, wherein the step of putting the ceramic tile into the kiln to be fired comprises three temperature rising stages: heating to 700 ℃ at the heating rate of 6 ℃/min, heating to 950 ℃ at the heating rate of 5 ℃/min, heating to 1200 ℃ at the heating rate of 1.5 ℃/min, keeping the temperature for 60min, and then naturally cooling.
Example 2
Weighing 20% of crushed potassium feldspar, 20% of albite, 10% of kaolin, 3% of talc, 10% of quartz, 2% of zinc oxide, 3% of cerium oxide, 3% of boron-zirconium frit, 20% of attapulgite and 9% of calcium phosphate according to weight percentage, adding water, mixing, and then carrying out ball milling for 7 hours, wherein the mass ratio of the total mass of each component to the mass of water is 100:50, obtaining the super stain-resistant ceramic tile color-retaining glaze after sieving, wherein the fineness of the super stain-resistant ceramic tile color-retaining glaze is 0.2 percent of the residual amount of a 325-mesh sieve, the specific gravity of the ground glaze is 1.84g/ml, and the specific gravity of the super stain-resistant ceramic tile color-retaining glaze is 1.9g/ml;
after drying the blank, spraying water on the surface of the blank for wetting, wherein the blank comprises the following chemical components: 69% of silicon oxide, 18% of aluminum oxide, 4% of calcium oxide, 1% of magnesium oxide, 0.6% of ferric oxide, 4% of potassium oxide, 3% of sodium oxide and 0.4% of titanium oxide; then applying a ground coat on the surface of the blank, wherein the ground coat comprises 60% of silicon oxide, 17.21% of aluminum oxide, 5% of potassium oxide, 4% of sodium oxide, 0.05% of ferric oxide, 7% of calcium oxide, 1.5% of magnesium oxide, 2% of lead oxide, 0.01% of zirconium oxide, 1% of barium oxide, 2% of zinc oxide, 0.2% of titanium oxide and 0.03% of boron oxide; applying super stain-resistant ceramic tile color-preserving glaze on the surface of the ground glaze, putting the ceramic tile color-preserving glaze into a kiln to be fired to prepare the stain-resistant ceramic tile, wherein the step of putting the ceramic tile into the kiln to be fired comprises three temperature rising stages: heating to 800 ℃ at a heating rate of 7 ℃/min, heating to 920 ℃ at a heating rate of 5 ℃/min, heating to 1250 ℃ at a heating rate of 2 ℃/min, keeping the temperature for 55min, and naturally cooling.
Comparative example
The data of the pair of proportions are different from those of the example 1 in that attapulgite and cerium oxide are not added, and the components of the super stain-resistant ceramic tile color-retaining glaze comprise 28% of potash feldspar, 20% of albite, 20% of kaolin, 11% of talc, 8% of quartz, 3% of zinc oxide, 3% of boron zirconium frit and 7% of calcium phosphate, and the rest parameters are unchanged.
To better illustrate the effects of the examples of the present application, performance tests were performed on 2 groups of examples and comparative examples, and the performance test parameters are shown in the following table:
as can be seen from the detection results in the table above, compared with the comparative example, the color-retaining glaze for the super stain-resistant ceramic tile disclosed by the invention has fewer holes and cracks on the surface of the ceramic tile after being used on the ceramic tile, simulates a natural use environment, and has better stain-resistant effect on the surface after being heated and cooled for multiple times.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The super stain-resistant ceramic tile color-preserving glaze is characterized by comprising the following components in percentage by weight: 20-25% of potash feldspar, 15-20% of albite, 6-16% of kaolin, 0.5-3% of talc, 6-10% of quartz, 2-3% of zinc oxide, 2.5-3% of boron-zirconium frit, 10.5-20% of attapulgite, 5-9% of calcium phosphate and 1-2% of cerium oxide;
the mass ratio of the attapulgite to the calcium phosphate is 1: (3-6): (2-3);
the preparation process of the stain-resistant ceramic tile comprises the following steps:
weighing crushed potash feldspar, albite, kaolin, talc, quartz, zinc oxide, cerium oxide, boron-zirconium frit, attapulgite and calcium phosphate according to the weight percentage, adding water, mixing, and then performing ball milling for 6-7h, wherein the mass ratio of the total mass of each component to the water is 100: (40-50), sieving to obtain the super stain-resistant ceramic tile color-preserving glaze;
after drying the blank body, spraying water on the surface of the blank body for wetting, then applying a ground coat on the surface of the blank body, applying the super stain-resistant ceramic tile color-preserving glaze on the surface of the ground coat, and putting the ceramic tile color-preserving glaze into a kiln for firing to obtain the stain-resistant ceramic tile;
the step of firing in the kiln comprises three temperature rising stages: heating to 700-800 deg.C at a rate of 5-6 deg.C/min, heating to 900-950 deg.C at a rate of 3-5 deg.C/min, heating to 1150-1250 deg.C at a rate of 1.5-2 deg.C/min, holding for 45-60min, and naturally cooling.
2. The super stain-resistant ceramic tile color-preserving glaze as claimed in claim 1, which comprises the following components in percentage by weight: 24% of potash feldspar, 18% of albite, 16% of kaolin, 2% of talc, 8% of quartz, 3% of zinc oxide, 2% of cerium oxide, 3% of boron-zirconium frit, 17% of attapulgite and 7% of calcium phosphate.
3. A process for preparing a stain-resistant ceramic tile using the stain-resistant ceramic tile glaze of any one of claims 1-2, comprising the steps of:
weighing crushed potash feldspar, albite, kaolin, talc, quartz, zinc oxide, cerium oxide, boron-zirconium frit, attapulgite and calcium phosphate according to the weight percentage, adding water, mixing, and then carrying out ball milling for 6-7h, wherein the mass ratio of the total mass of each component to the water is 100: (40-50), sieving to obtain the super stain-resistant ceramic tile color-preserving glaze;
drying the green body, spraying water on the surface of the green body for wetting, then applying a ground glaze on the surface of the green body, applying the super stain-resistant ceramic tile color-retaining glaze on the surface of the ground glaze, and firing in a kiln to obtain the stain-resistant ceramic tile;
the step of firing in the kiln comprises three temperature rising stages: heating to 700-800 deg.C at a rate of 5-6 deg.C/min, heating to 900-950 deg.C at a rate of 3-5 deg.C/min, heating to 1150-1250 deg.C at a rate of 1.5-2 deg.C/min, holding for 45-60min, and naturally cooling.
4. The process for preparing a stain resistant ceramic tile according to claim 3 wherein the base coat has a chemical composition of: 58-63% of silicon oxide, 15-20% of aluminum oxide, 5-8% of potassium oxide, 4-8% of sodium oxide, 0.05-0.1% of ferric oxide, 6-9% of calcium oxide, 1-1.5% of magnesium oxide, 1.5-2% of lead oxide, 0.01-0.03% of zirconium oxide, 1-1.5% of barium oxide, 2-3% of zinc oxide, 0.1-0.6% of titanium oxide and 0.01-0.03% of boron oxide.
5. The process for preparing a stain resistant ceramic tile according to claim 3 wherein the chemical composition of the body is: 68-72% of silicon oxide, 16-18% of aluminum oxide, 3-4% of calcium oxide, 1-1.5% of magnesium oxide, 0.5-0.6% of ferric oxide, 3-4% of potassium oxide, 3-4% of sodium oxide and 0.2-0.6% of titanium oxide.
6. The process for preparing the stain-resistant ceramic tile according to claim 3, wherein the fineness of the color-retaining glaze of the super stain-resistant ceramic tile is 325 meshes and the residual content is 0.1-0.2%.
7. The process for preparing the stain-resistant ceramic tiles according to claim 3, wherein the specific gravity of the ground glaze is 1.7-1.84g/ml, and the specific gravity of the color-preserving glaze for the super stain-resistant ceramic tiles is 1.87-1.9g/ml.
8. A process for preparing a stain-resistant ceramic tile according to any one of claims 3-7, wherein the stain-resistant ceramic tile comprises, in order from bottom to top: the green body layer is 8-10mm in thickness, the ground glaze layer is 0.5-0.8mm in thickness, and the super stain-resistant ceramic tile color-retaining glaze layer is 0.08-0.16mm in thickness.
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Effective date of registration: 20230413 Address after: 528000 building 02, block C, east area, China ceramic industry headquarters base, No. 68, Jihua West Road, Chancheng District, Foshan City, Guangdong Province Patentee after: Guangdong hetaofang Ceramics Co.,Ltd. Address before: No. 101, Xiye, Guxiang Si Village, Guxiang Town, Chao'an County, Chaozhou City, Guangdong Province, 515647 Patentee before: Chen Manxia |