CN110407469B - Low-temperature transparent glaze, ceramic product with glaze and preparation method - Google Patents
Low-temperature transparent glaze, ceramic product with glaze and preparation method Download PDFInfo
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- 239000000919 ceramic Substances 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000000843 powder Substances 0.000 claims abstract description 112
- 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 53
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 45
- 239000010703 silicon Substances 0.000 claims abstract description 45
- 229910001570 bauxite Inorganic materials 0.000 claims abstract description 38
- 239000002994 raw material Substances 0.000 claims abstract description 36
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 28
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 28
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910052656 albite Inorganic materials 0.000 claims abstract description 25
- 239000010453 quartz Substances 0.000 claims abstract description 25
- 239000002689 soil Substances 0.000 claims abstract description 25
- 238000005406 washing Methods 0.000 claims abstract description 24
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052661 anorthite Inorganic materials 0.000 claims abstract description 23
- 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 claims abstract description 23
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims description 24
- 229910001404 rare earth metal oxide Inorganic materials 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 17
- 239000002002 slurry Substances 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 12
- 229910052796 boron Inorganic materials 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000010304 firing Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 238000000498 ball milling Methods 0.000 claims description 6
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical group [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 239000012856 weighed raw material Substances 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 239000000758 substrate Substances 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 28
- 238000000034 method Methods 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 229910052573 porcelain Inorganic materials 0.000 description 5
- HYXGAEYDKFCVMU-UHFFFAOYSA-N scandium oxide Chemical compound O=[Sc]O[Sc]=O HYXGAEYDKFCVMU-UHFFFAOYSA-N 0.000 description 5
- 229910003451 terbium oxide Inorganic materials 0.000 description 5
- SCRZPWWVSXWCMC-UHFFFAOYSA-N terbium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Tb+3].[Tb+3] SCRZPWWVSXWCMC-UHFFFAOYSA-N 0.000 description 5
- 239000010433 feldspar Substances 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- 230000002195 synergetic effect Effects 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 229910021532 Calcite Inorganic materials 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 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
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 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 1
- AYJRCSIUFZENHW-DEQYMQKBSA-L barium(2+);oxomethanediolate Chemical compound [Ba+2].[O-][14C]([O-])=O AYJRCSIUFZENHW-DEQYMQKBSA-L 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001605 fetal effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005829 trimerization reaction Methods 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
-
- 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
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5022—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with vitreous materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
- C04B41/86—Glazes; Cold glazes
-
- 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)
- 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)
- Inorganic Chemistry (AREA)
- Structural Engineering (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention discloses a low-temperature transparent glaze, a ceramic product with the glaze and a preparation method, wherein the low-temperature transparent glaze is prepared from the following raw materials in parts by weight: 28-35 parts of anorthite powder, 20-26 parts of albite powder, 6-10 parts of sericite powder, 15-20 parts of metakaolin, 11-15 parts of calcined kaolin, 4-6 parts of washing soil, 7-11 parts of quartz, 5-8 parts of high-silicon bauxite powder and 2.5-3.5 parts of titanium oxide. The low-temperature transparent glaze disclosed by the invention is prepared by selecting raw materials and reasonably proportioning, and the low-temperature transparent glaze or ceramic product is formed on the surface of the prepared substrate, so that lead is hardly dissolved out and the low-temperature transparent glaze is healthy; the low-temperature transparent glaze fired at low temperature and the ceramic product thereof have high whiteness and glossiness; is pure, transparent and beautiful.
Description
Technical Field
The invention relates to the field of ceramic products, in particular to a low-temperature transparent glaze, a ceramic product with the glaze and a preparation method.
Background
The ceramic product is one of the most common appliances in daily life of people, the development history of the ceramic is an important component of the Chinese civilization history, wherein the invention and the development of the ceramic have unique significance, along with the development of modern science and technology, a plurality of new ceramic varieties appear in recent centuries, the ceramic varieties do not use or rarely use traditional ceramic raw materials such as clay, feldspar, quartz and the like, but use other special raw materials, even expand the range of non-silicate and non-oxide, and a plurality of new processes appear, so that the ceramic has various special functions.
The ceramic product is fired, and has a plurality of defects, and glazing can make up the defects and add charm to the works. The white glaze is one of the traditional glaze colors of the porcelain, the real white glaze is milky opaque glaze, and the glaze is invented recently. In ancient China, only the first generation Shufu glaze is opaque, other white glazes are not white glazes, but the glazes which do not contain metal oxide coloring elements are applied to devices with white fetal bones and are fired in a kiln at high temperature to form transparent glazes, and the glaze color is white due to the reflection of white run porcelain bodies.
The transparent glaze is glaze which can see the color of the underglaze blank and various sculptures and decorations through the glaze layer. The color of the underglaze blank, various sculptures and color decorations and the like can be seen through the glaze layer. The transparent glaze has many kinds, such as lime glaze used on daily porcelain and sanitary porcelain, feldspar glaze, lead-boron glaze used on glazed tile, etc.
For example, application No. 200610138174.X discloses a transparent glaze and a manufacturing method thereof, the glaze is prepared by mixing potassium feldspar powder, calcite, kaolin, quartz, calcined kaolin, calcined talc, alumina, barium carbonate, transparent frit, methyl, trimerization and water. The transparent glaze is not suitable for daily ceramics such as tableware, household appliances and the like, and along with the increasing and diversified colors and strong decorative effect of the daily ceramics, the transparent glaze provides higher requirements for the glossiness of the transparent glaze and becomes a problem which is generally concerned by daily ceramic production enterprises.
However, the transparent glaze and the ceramic ware having the same used at present have the following problems:
in the traditional ceramic production, the glaze material which takes lead-containing heavy metal raw materials as main components has the advantages of excellent melting performance, good high-temperature fluidity, higher refractive index, better glaze surface gloss, wide firing range and the like; however, lead is easily separated out from the lead glaze product in the daily life and use process of people, and is harmful to the health of users. In addition, the required glaze surface has high sintering temperature, and the requirement that the liquid phase generates the glaze with transparent luster at the lower temperature stage and the raw materials do not participate in high-temperature physical and chemical reaction is difficult to achieve by adopting a quasi-non-reaction sintering mechanism in the prior art, so that the glaze surface glossiness is reduced.
Disclosure of Invention
Based on the above situation, the present invention aims to provide a low-temperature transparent glaze, a ceramic product having the same and a preparation method thereof, which can effectively solve the above problems.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
the low-temperature transparent glaze is prepared from the following raw materials in parts by weight: 28-35 parts of anorthite powder, 20-26 parts of albite powder, 6-10 parts of sericite powder, 15-20 parts of metakaolin, 11-15 parts of calcined kaolin, 4-6 parts of washing soil, 7-11 parts of quartz, 5-8 parts of high-silicon bauxite powder and 2.5-3.5 parts of titanium oxide.
Preferably, the low-temperature transparent glaze is prepared from the following raw materials in parts by weight: 32 parts of anorthite powder, 23 parts of albite powder, 8.2 parts of sericite powder, 17.5 parts of metakaolin, 13 parts of calcined kaolin, 5.5 parts of washing soil, 9.3 parts of quartz, 6.6 parts of high-silicon bauxite powder and 3 parts of titanium oxide.
Preferably, the feed also comprises the following raw materials in parts by weight: 3-4 parts of rare earth oxide.
Preferably, the rare earth oxide is mixed with the rare earth oxide in a mass ratio of 1: (0.7-0.8) a mixture of scandium oxide and terbium oxide.
Preferably, the feed also comprises the following raw materials in parts by weight: 4-6 parts of high-boron frit.
Preferably, the ratio of aluminum to silicon of the high-silicon bauxite powder is 1: (0.21-0.26).
Preferably, the particle sizes of the anorthite powder, the albite powder, the sericite powder, the metakaolin, the washing soil, the quartz and the high-silicon bauxite powder are not less than 1000 meshes.
Preferably, the calcined kaolin has a particle size of 5000 mesh; the titanium oxide is nano titanium dioxide.
The invention also provides a ceramic product, which comprises a blank body and a glaze layer covering the surface of the blank body, wherein the glaze layer is the low-temperature transparent glaze.
The invention also provides a preparation method of the ceramic product, which is characterized by comprising the following steps:
(1) weighing the following raw materials in parts by weight: the high-silicon bauxite powder comprises anorthite powder, albite powder, sericite powder, metakaolin, calcined kaolin, washing soil, quartz, high-silicon bauxite powder and titanium oxide;
(2) mixing the weighed raw materials to obtain a mixture, and performing ball milling for 35-45 min, wherein the weight ratio of the mixture to balls to water is as follows: 1: 2.2: (0.6-0.65);
(3) then carrying out vacuum defoaming for 25-35 min to obtain glaze slurry, continuing stirring for 20-30 min, and adjusting the solid content of the glaze slurry to 60-65%;
(4) and applying glaze slip on the surface of the blank, gradually heating to 375-400 ℃ at the heating rate of 5-10 ℃/min, preheating for 15-20 min at a constant temperature, gradually heating to 1030-1050 ℃ at the heating rate of 10-15 ℃/min, and firing for 90-150 min to obtain the ceramic product.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the low-temperature transparent glaze disclosed by the invention is prepared by selecting raw materials, reasonably proportioning and selecting anorthite powder, albite powder, sericite powder, metakaolin, calcined kaolin, washing soil, quartz, high-silicon bauxite powder, rare earth oxide, titanium oxide and the like in proper proportion, so that the respective advantages are fully exerted, mutually supplemented and mutually promoted, and the prepared substrate surface is formed with the low-temperature transparent glaze or ceramic product, almost no lead is dissolved out and is healthy; the low-temperature transparent glaze fired at low temperature and the ceramic product thereof have high whiteness and high (good) glossiness; is pure, transparent and beautiful.
The low-temperature transparent glaze is added with the calcium feldspar powder and the sodium feldspar powder in a proper proportion, and is matched with other components, so that a good synergistic effect is achieved, the sintering temperature of the low-temperature transparent glaze is mainly reduced, and the surface whiteness and the glossiness are improved; metakaolin and calcined kaolin which are added in proper proportion are matched and are matched with other components, so that a good synergistic effect is achieved, and the whiteness and the glossiness of the low-temperature transparent glaze are mainly improved; the water-washing soil (a raw material/semi-finished product for preparing high-grade kaolin, which is mainly used for improving plasticity when the low-temperature transparent glaze raw material system is used for preparing a green body) is added in a proper proportion, so that the dispersibility of the low-temperature transparent glaze raw material system is improved, the plasticity is improved, the prepared green body is more uniform, and the fired low-temperature transparent glaze disclosed by the invention is also more uniform, so that the low-temperature transparent glaze has higher mechanical properties such as strength and the like, and high glossiness, and is ensured to be flat, smooth, fine, pure, transparent and beautiful; adding high-silicon bauxite powder with a proper proportion, wherein the ratio of aluminum to silicon of the high-silicon bauxite powder is 1: (0.21-0.26), and the low-temperature transparent glaze is matched with other components to play a good synergistic effect, so that the appearance performances such as surface whiteness, glossiness and the like of the low-temperature transparent glaze can be greatly improved, and the strength of the low-temperature transparent glaze is further improved; the rare earth oxide with a proper proportion is added and is matched with other components, so that a good synergistic effect is achieved, and the surface whiteness and the glossiness of the low-temperature transparent glaze are further improved.
The preparation method of the invention can be used for glazing or not glazing, has simple process, simple and convenient operation, low sintering temperature, energy consumption saving, environmental protection and production cost reduction.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in connection with specific examples, which should not be construed as limiting the present patent.
The test methods or test methods described in the following examples are conventional methods unless otherwise specified; the reagents and materials, unless otherwise indicated, are conventionally obtained commercially or prepared by conventional methods.
The blank body can be prepared according to the conventional method in the field, the manufacturing method is not described again, and the shape of the blank body can be any shape; after shaping and air drying, the glaze slurry can be used for glazing by adopting the glaze slurry, and then the next procedure is carried out.
Example 1:
the low-temperature transparent glaze is prepared from the following raw materials in parts by weight: 28-35 parts of anorthite powder, 20-26 parts of albite powder, 6-10 parts of sericite powder, 15-20 parts of metakaolin, 11-15 parts of calcined kaolin, 4-6 parts of washing soil, 7-11 parts of quartz, 5-8 parts of high-silicon bauxite powder and 2.5-3.5 parts of titanium oxide.
Preferably, the low-temperature transparent glaze is prepared from the following raw materials in parts by weight: 32 parts of anorthite powder, 23 parts of albite powder, 8.2 parts of sericite powder, 17.5 parts of metakaolin, 13 parts of calcined kaolin, 5.5 parts of washing soil, 9.3 parts of quartz, 6.6 parts of high-silicon bauxite powder and 3 parts of titanium oxide.
Preferably, the feed also comprises the following raw materials in parts by weight: 3-4 parts of rare earth oxide.
Preferably, the rare earth oxide is mixed with the rare earth oxide in a mass ratio of 1: (0.7-0.8) a mixture of scandium oxide and terbium oxide.
Preferably, the feed also comprises the following raw materials in parts by weight: 4-6 parts of high-boron frit.
Preferably, the ratio of aluminum to silicon of the high-silicon bauxite powder is 1: (0.21-0.26).
Preferably, the particle sizes of the anorthite powder, the albite powder, the sericite powder, the metakaolin, the washing soil, the quartz and the high-silicon bauxite powder are not less than 1000 meshes.
Preferably, the calcined kaolin has a particle size of 5000 mesh; the titanium oxide is nano titanium dioxide.
The embodiment also provides a ceramic product, which comprises a blank body and a glaze layer covering the surface of the blank body, wherein the glaze layer is the low-temperature transparent glaze.
The present invention also provides a method for preparing the ceramic product, which comprises the following steps:
(1) weighing the following raw materials in parts by weight: the high-silicon bauxite powder comprises anorthite powder, albite powder, sericite powder, metakaolin, calcined kaolin, washing soil, quartz, high-silicon bauxite powder and titanium oxide;
(2) mixing the weighed raw materials to obtain a mixture, and performing ball milling for 35-45 min, wherein the weight ratio of the mixture to balls to water is as follows: 1: 2.2: (0.6-0.65);
(3) then carrying out vacuum defoaming for 25-35 min to obtain glaze slurry, continuing stirring for 20-30 min, and adjusting the solid content of the glaze slurry to 60-65%;
(4) and applying glaze slip on the surface of the blank, gradually heating to 375-400 ℃ at the heating rate of 5-10 ℃/min, preheating for 15-20 min at a constant temperature, gradually heating to 1030-1050 ℃ at the heating rate of 10-15 ℃/min, and firing for 90-150 min to obtain the ceramic product.
Example 2:
the low-temperature transparent glaze is prepared from the following raw materials in parts by weight: 28 parts of anorthite powder, 20 parts of albite powder, 6 parts of sericite powder, 15 parts of metakaolin, 11 parts of calcined kaolin, 4 parts of washing soil, 7 parts of quartz, 5 parts of high-silicon bauxite powder and 2.5 parts of titanium oxide.
Preferably, the feed also comprises the following raw materials in parts by weight: 3 parts of rare earth oxide.
Preferably, the rare earth oxide is mixed with the rare earth oxide in a mass ratio of 1: 0.7 of a mixture of scandium oxide and terbium oxide.
Preferably, the feed also comprises the following raw materials in parts by weight: 4 parts of high-boron frit.
Preferably, the ratio of aluminum to silicon of the high-silicon bauxite powder is 1: 0.21.
preferably, the particle sizes of the anorthite powder, the albite powder, the sericite powder, the metakaolin, the washing soil, the quartz and the high-silicon bauxite powder are not less than 1000 meshes.
Preferably, the calcined kaolin has a particle size of 5000 mesh; the titanium oxide is nano titanium dioxide.
The embodiment also provides a ceramic product, which comprises a blank body and a glaze layer covering the surface of the blank body, wherein the glaze layer is the low-temperature transparent glaze.
The present invention also provides a method for preparing the ceramic product, which comprises the following steps:
(1) weighing the following raw materials in parts by weight: the high-silicon bauxite powder comprises anorthite powder, albite powder, sericite powder, metakaolin, calcined kaolin, washing soil, quartz, high-silicon bauxite powder and titanium oxide;
(2) mixing the weighed raw materials to obtain a mixture, and performing ball milling for 35min, wherein the weight ratio of the mixture to balls to water is as follows: 1: 2.2: 0.6;
(3) then carrying out vacuum defoaming for 25min to obtain glaze slurry, continuing stirring for 20min, and adjusting the solid content of the glaze slurry to 60%;
(4) and (3) applying glaze slip on the surface of the green body, gradually heating to 375 ℃ at the heating rate of 5 ℃/min, preheating for 15min at a constant temperature, gradually heating to 1030 ℃ at the heating rate of 10 ℃/min, and firing for 150min to obtain the ceramic product.
Example 3:
the low-temperature transparent glaze is prepared from the following raw materials in parts by weight: 35 parts of anorthite powder, 26 parts of albite powder, 10 parts of sericite powder, 20 parts of metakaolin, 15 parts of calcined kaolin, 6 parts of washing soil, 11 parts of quartz, 8 parts of high-silicon bauxite powder and 3.5 parts of titanium oxide.
Preferably, the feed also comprises the following raw materials in parts by weight: 4 parts of rare earth oxide.
Preferably, the rare earth oxide is mixed with the rare earth oxide in a mass ratio of 1: 0.8 of a mixture of scandium oxide and terbium oxide.
Preferably, the feed also comprises the following raw materials in parts by weight: 6 parts of high-boron frit.
Preferably, the ratio of aluminum to silicon of the high-silicon bauxite powder is 1: 0.26.
preferably, the particle sizes of the anorthite powder, the albite powder, the sericite powder, the metakaolin, the washing soil, the quartz and the high-silicon bauxite powder are not less than 1000 meshes.
Preferably, the calcined kaolin has a particle size of 5000 mesh; the titanium oxide is nano titanium dioxide.
The embodiment also provides a ceramic product, which comprises a blank body and a glaze layer covering the surface of the blank body, wherein the glaze layer is the low-temperature transparent glaze.
The present invention also provides a method for preparing the ceramic product, which comprises the following steps:
(1) weighing the following raw materials in parts by weight: the high-silicon bauxite powder comprises anorthite powder, albite powder, sericite powder, metakaolin, calcined kaolin, washing soil, quartz, high-silicon bauxite powder and titanium oxide;
(2) mixing the weighed raw materials to obtain a mixture, and performing ball milling for 45min, wherein the weight ratio of the mixture to balls to water is as follows: 1: 2.2: 0.65;
(3) then carrying out vacuum defoaming for 35min to obtain glaze slurry, continuing stirring for 30min, and adjusting the solid content of the glaze slurry to 65%;
(4) and (3) applying glaze slip on the surface of the blank, gradually heating to 400 ℃ at the heating rate of 10 ℃/min, preheating at the constant temperature for 20min, gradually heating to 1050 ℃ at the heating rate of 15 ℃/min, and firing for 90min to obtain the ceramic product.
Example 4:
the low-temperature transparent glaze is prepared from the following raw materials in parts by weight: 32 parts of anorthite powder, 23 parts of albite powder, 8.2 parts of sericite powder, 17.5 parts of metakaolin, 13 parts of calcined kaolin, 5.5 parts of washing soil, 9.3 parts of quartz, 6.6 parts of high-silicon bauxite powder and 3 parts of titanium oxide.
Preferably, the feed also comprises the following raw materials in parts by weight: 3.5 parts of rare earth oxide.
Preferably, the rare earth oxide is mixed with the rare earth oxide in a mass ratio of 1: 0.75 of a mixture of scandium oxide and terbium oxide.
Preferably, the feed also comprises the following raw materials in parts by weight: 5 parts of high-boron frit.
Preferably, the ratio of aluminum to silicon of the high-silicon bauxite powder is 1: 0.23.
preferably, the particle sizes of the anorthite powder, the albite powder, the sericite powder, the metakaolin, the washing soil, the quartz and the high-silicon bauxite powder are not less than 1000 meshes.
Preferably, the calcined kaolin has a particle size of 5000 mesh; the titanium oxide is nano titanium dioxide.
The embodiment also provides a ceramic product, which comprises a blank body and a glaze layer covering the surface of the blank body, wherein the glaze layer is the low-temperature transparent glaze.
The present invention also provides a method for preparing the ceramic product, which comprises the following steps:
(1) weighing the following raw materials in parts by weight: the high-silicon bauxite powder comprises anorthite powder, albite powder, sericite powder, metakaolin, calcined kaolin, washing soil, quartz, high-silicon bauxite powder and titanium oxide;
(2) mixing the weighed raw materials to obtain a mixture, and performing ball milling for 40min, wherein the weight ratio of the mixture to balls to water is as follows: 1: 2.2: 0.62;
(3) then carrying out vacuum defoaming for 30min to obtain glaze slurry, continuing stirring for 25min, and adjusting the solid content of the glaze slurry to 62.5%;
(4) and (3) applying glaze slip on the surface of the green body, gradually heating to 390 ℃ at the heating rate of 8 ℃/min, preheating for 18min at a constant temperature, gradually heating to 1040 ℃ at the heating rate of 12 ℃/min, and firing for 120min to obtain the ceramic product.
Comparative example 1:
the difference from example 4 is that the albite powder was replaced with albite powder, and the others were the same as example 4.
Comparative example 2:
the difference from example 4 is that metakaolin was replaced with calcined kaolin, and the rest is the same as example 4.
Comparative example 3:
the difference from example 4 is that the soil was not washed with water, and the other examples were the same as example 4.
Comparative example 4:
the difference from example 4 is that there is no high silica bauxite powder, otherwise the same as example 4.
Comparative example 5:
the difference from example 4 is that the ratio of aluminum to silicon of the high-silicon bauxite powder is 1: 0.15, the rest is the same as example 4.
Comparative example 6:
the difference from example 4 is that rare earth oxide is not present, and the rest is the same as example 4.
The following performance tests were performed on the ceramic products obtained in examples 2 to 4 of the present invention and comparative examples 1 to 6, and the test results are shown in table 1:
wherein, the whiteness is measured by adopting a method for measuring the whiteness of the daily ceramic in QBT 1503 and 2011;
the gloss and the amount of lead released were measured by GBT 3532 and 2009 porcelain for daily use.
TABLE 1
From the above table, the low-temperature transparent glaze disclosed by the invention is prepared by selecting raw materials, reasonably proportioning and selecting anorthite powder, albite powder, sericite powder, metakaolin, calcined kaolin, washing soil, quartz, high-silicon bauxite powder, rare earth oxide, titanium oxide and the like in a proper proportion, and the prepared substrate surface is formed with the low-temperature transparent glaze or ceramic product, so that lead is hardly dissolved out and the ceramic product is healthy; the low-temperature transparent glaze fired at low temperature and the ceramic product thereof have high whiteness and high (good) glossiness; is pure, transparent and beautiful.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and these modifications and adaptations should be considered within the scope of the invention.
Claims (1)
1. The preparation method of the ceramic product is characterized in that the ceramic product comprises a blank body and a glaze layer covering the surface of the blank body, wherein the glaze layer is low-temperature transparent glaze, and the low-temperature transparent glaze is prepared from the following raw materials in parts by weight: 28-35 parts of anorthite powder, 20-26 parts of albite powder, 6-10 parts of sericite powder, 15-20 parts of metakaolin, 11-15 parts of calcined kaolin, 4-6 parts of washing soil, 7-11 parts of quartz, 5-8 parts of high-silicon bauxite powder, 2.5-3.5 parts of titanium oxide, 3-4 parts of rare earth oxide and 4-6 parts of high-boron frit, wherein the rare earth oxide is prepared from the following raw materials in parts by mass: (0.7-0.8), wherein the ratio of aluminum to silicon of the high-silicon bauxite powder is 1: (0.21-0.26), wherein the particle sizes of the anorthite powder, the albite powder, the sericite powder, the metakaolin, the washing soil, the quartz and the high-silicon bauxite powder are not less than 1000 meshes, and the particle size of the calcined kaolin is 5000 meshes; the titanium oxide is nano titanium dioxide; the preparation method comprises the following steps:
(1) weighing the following raw materials in parts by weight: the high-boron alumina ceramic comprises anorthite powder, albite powder, sericite powder, metakaolin, calcined kaolin, washing soil, quartz, high-silicon bauxite powder, titanium oxide, rare earth oxide and high-boron frit;
(2) mixing the weighed raw materials to obtain a mixture, and performing ball milling for 35-45 min, wherein the weight ratio of the mixture to balls to water is as follows: 1: 2.2: (0.6-0.65);
(3) then carrying out vacuum defoaming for 25-35 min to obtain glaze slurry, continuing stirring for 20-30 min, and adjusting the solid content of the glaze slurry to 60-65%;
(4) and applying glaze slip on the surface of the blank, gradually heating to 375-400 ℃ at the heating rate of 5-10 ℃/min, preheating for 15-20 min at a constant temperature, gradually heating to 1030-1050 ℃ at the heating rate of 10-15 ℃/min, and firing for 90-150 min to obtain the ceramic product.
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| CN112876078A (en) * | 2021-04-14 | 2021-06-01 | 亚细亚建筑材料股份有限公司 | High-transparency overglaze |
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Application publication date: 20191105 Assignee: Fujian Dehua County Guiye Ceramics Co.,Ltd. Assignor: Fujian Dehua Tianjun Ceramics Co.,Ltd. Contract record no.: X2024980003430 Denomination of invention: Low temperature transparent glaze, ceramic products with the same glaze, and preparation method Granted publication date: 20220426 License type: Common License Record date: 20240417 |