CN109081589B - Feather-shaped transmutation glaze and preparation method thereof - Google Patents
Feather-shaped transmutation glaze and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a feather-shaped transmutation glaze, wherein a ground glaze comprises the following components: SiO 22、B2O3、Al2O3、Na2O、CaO、K2O、Fe2O3、MnO2MgO, and other ingredients; the overglaze comprises the following components: SiO 22、CaO、Al2O3、K2O、Na2O、ZnO、TiO2BaO, and other ingredients. The application also provides a preparation method of the feather-shaped transmutation glaze, which comprises the following steps: (1) preparing base glaze slip and surface glaze slip; (2) glazing; (3) and (5) sintering the blank. Under the conditions of the components, the raw materials and the preparation method, the feather-shaped transmutation glaze can be prepared, more pleasure is added for the production of people, the elution amount of lead and cadmium in the transmutation glaze is not detected, the transmutation glaze is safe to be used as ceramic artware and daily tableware decoration, and the health of people is ensured.
Description
Technical Field
The invention particularly relates to a feather-shaped transmutation glaze and a preparation method thereof.
Technical Field
The ceramic ware is a common utensil in people's life, including various tableware, decorators and the like, provides convenience and beauty for people, and can not meet the needs of people with the improvement of aesthetic interest of people.
Disclosure of Invention
The invention aims to meet the continuously improved aesthetic taste of people, and firstly provides a feather-shaped transmutation glaze which has smooth surface, background ground glaze and patterns with vitreous luster, and undetected lead and cadmium elution amount in products, and can be used as ceramic artware and daily tableware decoration. The specific technical scheme is as follows:
the feather-shaped transmutation glaze comprises a ground glaze and a base glaze, wherein the ground glaze comprises the following components:
SiO257.5-63.2 parts; b is2O37.6-9.2 parts; al (Al)2O38.8 to 12.4 portions; na (Na)22.2-3.1 parts of O; 1.8-3.5 parts of CaO; k22.4-3.8 parts of O; fe2O32.3-4.2 parts; MnO22.4-3.3 parts; 0.5-1.6 parts of MgO; other components are less than 0.6;
the overglaze comprises the following components:
SiO259.8 to 64.3 portions; 8.5-10.1 parts of CaO; al (Al)2O39.6 to 12.1 portions; k23.8-4.5 parts of O; na (Na)20.8-1.7 parts of O; 11.3-14.8 parts of ZnO; TiO 225.2 to 7.8 portions; 3.0-5.6 parts of BaO; other components are less than 0.8 part; the parts are parts by mass.
In order to achieve the components, when the feather-shaped transmutation glaze is produced, the ground glaze comprises the following raw materials in parts by weight:
10-20 parts of feldspar, 4-8 parts of Suzhou soil, 8-20 parts of quartz, 4-9 parts of calcite, 56-68 parts of clinker and MnO22-5 parts of Fe2O32.5-5.5 parts of ceramic melanin and 0.5-3.5 parts of ceramic melanin;
the overglaze comprises the following raw materials in parts by weight: 38.7-44.3 parts of feldspar, 10.6-17.5 parts of calcite, 17.5-23 parts of quartz, 0.5-3 parts of Suzhou soil, 5-8.5 parts of titanium dioxide, 3.2-6.5 parts of barium carbonate, 11-14.5 parts of zinc oxide, 1.8-2.5 parts of bone charcoal and 1-2.5 parts of dolomite.
Preferably, the frit consists of the following components in percentage by weight:
60.5-65.8% SiO211.4-15.6% of B2O37.8-11.3% of Al2O33.6-7.9% of Na2O, CaO 2.1-6.0%, K1.6-4.2%2O, 0.5-2.0% of BaO.
Under the conditions of the components and the use of the raw materials, the feather-shaped transmutation glaze can be prepared, more pleasure is added for the production of people, the elution amount of lead and cadmium in the transmutation glaze is not detected, the transmutation glaze is safe for being used as ceramic artware and daily tableware decoration, and the health of people is ensured.
In order to achieve the purpose, the application also provides a preparation method of the feather-shaped transmutation glaze, which comprises the following steps:
(1) preparing base glaze slip and surface glaze slip: preparing a base glaze slip: ball-milling the ground glaze raw material by a wet method, sieving to prepare ground glaze slip, and controlling the specific gravity of the ground glaze slip to be 1.5-1.6g/cm3(ii) a Preparing overglaze slip: wet ball milling and sieving the overglaze material to obtain the ground glaze slip, and controlling the specific weight of the ground glaze slip to be 1.45-1.55g/cm3；
(2) Glazing: uniformly coating the ground glaze slip on a ceramic biscuit firing blank to form a ground glaze layer, drying the ground glaze layer, and coating the overglaze slip on the ground glaze layer to form an overglaze layer to prepare a glazed blank;
(3) and (3) sintering of the blank: roasting the glazed body in an oxidizing atmosphere, heating at the speed of 150 ℃/h at the beginning, heating to 1150-1180 ℃, and starting phase splitting of the overglaze; then continuously raising the temperature at the speed of 40-70 ℃/h to 1250-.
Preferably, in the step (2), the thickness of the ground glaze layer is 0.2-0.5mm and the thickness of the overglaze layer is 0.1-0.3mm during glazing.
In the present invention, Fe is used2O3And MnO2As a coloring agent, adding a proper amount of ceramic melanin as a coloring correction agent, under the above firing conditions, enabling the feather-shaped transmutation glaze to be perfectly presented, particularly when the firing temperature is limited to two sections, firstly, phase splitting is performed on the overglaze to form two liquid phases with different chemical compositions, and after cooling, two vitreous glazes with different components are formed, wherein one phase has better transparency, so that the color of the under glaze can be presented, and a foundation guarantee is provided for the appearance of feather-shaped patterns; and continuously heating to enable the highest firing temperature to reach 1250-. When the firing temperature is lower than the lower limit of the temperature range, the ground glaze and the overglaze can not be completely melted, and a plurality of pores can be formed on the glaze surface, so that the appearance is influenced; when the firing temperature is higher than the upper limit of the above temperature range, the ground coat and the over coat are excessively melted, and the feathering disappears, so that the expected transmutation effect cannot be achieved.
Further, in order to reduce the adverse effect of organic matters in the raw materials on the overglaze, in the step (1), the raw materials of zinc oxide and titanium dioxide are pre-calcined before the overglaze slip is prepared, wherein the pre-calcination temperature is 1200-1300 ℃, and the heat preservation time is 30-60 min. After the precalcination is finished, the residual organic impurities in the zinc oxide and the titanium dioxide are removed, and the organic impurities are prevented from being brought into the overglaze.
Further, in order to ensure the smoothness of the glaze surface, in the step (1), the sieving mesh number of the ground glaze slip and the surface glaze slip is 250 meshes, and the sieving residue is 0.08-0.12 wt%.
Further, in the step (2), the water absorption of the ceramic bisque-fired body is 12-15%. The water absorption rate can be in the range, so that the thickness of the glaze layer can be ensured, and the glazing defects can be reduced.
Drawings
Fig. 1 shows a pattern produced by the example.
The specific implementation mode is as follows:
example 1:
the No. 1 feather-shaped transmutation glaze comprises the following ground glaze components:
SiO257.5 parts; b is2O37.6 parts; al (Al)2O38.8 parts; na (Na)22.2 parts of O; 1.8 parts of CaO; k22.4 parts of O; fe2O32.3 parts; MnO22.4 parts; 0.5 part of MgO; other components are less than 0.5;
the overglaze comprises the following components:
SiO259.8 parts; 8.5 parts of CaO; al (Al)2O39.6 parts; k23.8 parts of O; na (Na)20.8 part of O; 11.3 parts of ZnO; TiO 225.2 parts; 3.0 parts of BaO; other components are less than 0.7 part;
the parts are parts by mass.
The preparation method specifically adopts the following raw materials for preparation, wherein,
the ground glaze comprises the following raw materials in parts by weight:
10 parts of feldspar, 4 parts of Suzhou soil, 8 parts of quartz, 4 parts of calcite, 66 parts of clinker, MnO22.2 parts of Fe2O32.5 parts of ceramic black0.5 part of pigment;
the overglaze comprises the following raw materials in parts by weight: 38.7 parts of feldspar, 10.6 parts of calcite, 17.5 parts of quartz, 0.5 part of Suzhou soil, 5 parts of titanium dioxide, 3.2 parts of barium carbonate, 11 parts of zinc oxide, 1.8 parts of bone charcoal and 1 part of dolomite.
The frit comprises the following components in percentage by weight:
60.5% SiO211.4% of B2O37.8% of Al2O33.6% of Na2O, 2.1% CaO, 1.6% K2O, 0.5% BaO.
The preparation method of the No. 1 feather-shaped transmutation glaze comprises the following steps:
firstly, the raw materials of zinc oxide and titanium dioxide are pre-calcined at the temperature of 1200-1300 ℃ for 30-60 min. Then the following steps are carried out.
(1) Preparing base glaze slip and surface glaze slip:
preparing a base glaze slip: ball-milling the ground glaze raw material by a wet method, sieving to prepare ground glaze slip, and controlling the specific gravity of the ground glaze slip to be 1.5g/cm3；
Preparing overglaze slip: wet ball milling the overglaze material, sieving to obtain the ground glaze slurry with specific weight of 1.45g/cm3；
(2) Glazing:
uniformly coating the ground glaze slip on a ceramic biscuit firing blank to form a ground glaze layer, drying the ground glaze layer, and coating the overglaze slip on the ground glaze layer to form an overglaze layer to prepare a glazed blank;
(3) and (3) sintering of the blank:
roasting the glazed body in an oxidizing atmosphere, heating up to 1150 ℃ at the speed of 120 ℃/h, and firstly, splitting phases of the glaze components; heating at 40 deg.C/h, heating to 1280 deg.C, maintaining for 20min, and cooling to room temperature.
In the step (1), the sieving mesh number of the ground glaze slip and the surface glaze slip is 250 meshes, and the screen residue is 0.08 wt%.
In the step (2), during glazing, the thickness of the ground glaze layer is 0.2mm, and the thickness of the surface glaze layer is 0.1 mm.
The water absorption of the ceramic biscuit body is 12%.
The floral pattern produced using this example is shown in FIG. 1.
Example 2
(1) The ground glaze comprises the following raw materials in parts by weight:
20 parts of feldspar, 6 parts of Suzhou soil, 18 parts of quartz, 9 parts of calcite, 58 parts of clinker, 23.5 parts of MnO23.5 parts of Fe2O35.5 parts of ceramic melanin, 2 parts of ceramic melanin;
the overglaze comprises the following raw materials in parts by weight: 44.3 parts of feldspar, 16 parts of calcite, 23 parts of quartz, 2 parts of Suzhou soil, 8.5 parts of titanium dioxide, 3.5 parts of barium carbonate, 14 parts of zinc oxide, 2 parts of bone charcoal and 1 part of dolomite.
The preparation method of the No. 2 feather-shaped transmutation glaze comprises the following steps:
preparing base glaze slip and surface glaze slip:
preparing a base glaze slip: ball-milling the ground glaze raw material by a wet method, sieving to prepare ground glaze slip, and controlling the specific gravity of the ground glaze slip to be 1.55g/cm3；
Preparing overglaze slip: wet ball milling the overglaze material, sieving to obtain the ground glaze slurry with specific weight of 1.50g/cm3；
(2) Glazing:
uniformly coating the ground glaze slip on a ceramic biscuit firing blank to form a ground glaze layer, drying the ground glaze layer, and coating the overglaze slip on the ground glaze layer to form an overglaze layer to prepare a glazed blank;
(3) and (3) sintering of the blank:
roasting the glazed body in an oxidizing atmosphere, heating up at the speed of 150 ℃/h, heating up to 1150 ℃, and carrying out phase separation on the components of the overglaze; heating at 40 deg.C/h, heating to 1250 deg.C, maintaining for 40min, and cooling to room temperature.
In the step (1), the sieving mesh number of the ground glaze slip and the surface glaze slip is 250 meshes, and the screen residue is 0.10 wt%.
In the step (2), during glazing, the thickness of the ground glaze layer is 0.5mm, and the thickness of the surface glaze layer is 0.2 mm.
The water absorption of the ceramic biscuit body is 15%.
Example 3
(1) The ground glaze comprises the following raw materials in parts by weight:
15 parts of feldspar, 8 parts of Suzhou soil, 14 parts of quartz, 7 parts of calcite, 62 parts of clinker and MnO22 parts of Fe2O33 parts of ceramic melanin, 3.5 parts of ceramic melanin;
the overglaze comprises the following raw materials in parts by weight: 41 parts of feldspar, 13 parts of calcite, 19 parts of quartz, 3 parts of Suzhou soil, 7 parts of titanium dioxide, 6 parts of barium carbonate, 11.5 parts of zinc oxide, 2.5 parts of bone charcoal and 2.5 parts of dolomite.
The preparation method of the No. 2 feather-shaped transmutation glaze comprises the following steps:
preparing base glaze slip and surface glaze slip:
preparing a base glaze slip: ball-milling the ground glaze raw material by a wet method, sieving to prepare ground glaze slip, and controlling the specific gravity of the ground glaze slip to be 1.55g/cm3；
Preparing overglaze slip: wet ball milling the overglaze material, sieving to obtain the ground glaze slurry with specific weight of 1.50g/cm3；
(2) Glazing:
uniformly coating the ground glaze slip on a ceramic biscuit firing blank to form a ground glaze layer, drying the ground glaze layer, and coating the overglaze slip on the ground glaze layer to form an overglaze layer to prepare a glazed blank;
(3) and (3) sintering of the blank:
roasting the glazed body in an oxidizing atmosphere, heating up to 1150 ℃ at the speed of 130 ℃/h, and starting phase splitting of the overglaze; heating at 40 deg.C/h, heating to 1270 deg.C, maintaining for 30min, and cooling to room temperature.
In the step (1), the sieving mesh number of the ground glaze slip and the surface glaze slip is 250 meshes, and the screen residue is 0.08 wt%.
In the step (2), during glazing, the thickness of the ground glaze layer is 0.4mm, and the thickness of the surface glaze layer is 0.2 mm.
The water absorption of the ceramic biscuit body is 12%.
The glaze of the product manufactured by the process in the embodiment is moist and uniform in color, the glaze is free of glaze bubbles, and the pinhole rate is less than 1.5%; the thermal stability is good, and the glaze layer does not crack under the heat exchange of 1 time at the temperature of 20-180 ℃; the product strength can adapt to strong collision of the automatic dishwasher; the lead elution amount of the glaze layer is lower than 0.2mg/L (detection limit), the cadmium elution amount is lower than 0.02mg/L (detection limit), and the glaze layer is safe to human bodies and can be used as decoration of ceramic artware and daily tableware.
Claims (5)
1. The feather-shaped transmutation glaze comprises a ground glaze and a base glaze, wherein the ground glaze comprises the following components:
SiO257.5-63.2 parts; b is2O37.6-9.2 parts; al (Al)2O38.8 to 12.4 portions; na (Na)22.2-3.1 parts of O; 1.8-3.5 parts of CaO; k22.4-3.8 parts of O; fe2O32.3-4.2 parts; MnO22.4-3.3 parts; 0.5-1.6 parts of MgO; other components are less than 0.6;
the overglaze comprises the following components:
SiO259.8 to 64.3 portions; 8.5-10.1 parts of CaO; al (Al)2O39.6 to 12.1 portions; k23.8-4.5 parts of O; na (Na)20.8-1.7 parts of O; 11.3-14.8 parts of ZnO; TiO 225.2 to 7.8 portions; 3.0-5.6 parts of BaO; other components are less than 0.8 part;
the parts are parts by mass;
the ground glaze comprises the following raw materials in parts by weight:
10-20 parts of feldspar, 4-8 parts of Suzhou soil, 8-20 parts of quartz, 4-9 parts of calcite, 56-68 parts of clinker, 2-5 parts of MnO22, and Fe2O32.5-5.5 parts of ceramic melanin and 0.5-3.5 parts of ceramic melanin;
the overglaze comprises the following raw materials in parts by weight: 38.7-44.3 parts of feldspar, 10.6-17.5 parts of calcite, 17.5-23 parts of quartz, 0.5-3 parts of Suzhou soil, 5-8.5 parts of titanium dioxide, 3.2-6.5 parts of barium carbonate, 11-14.5 parts of zinc oxide, 1.8-2.5 parts of bone charcoal and 1-2.5 parts of dolomite;
the frit comprises the following components in percentage by weight:
60.5-65.8％SiO of (2)211.4-15.6% of B2O37.8-11.3% of Al2O33.6-7.9% of Na2O, CaO 2.1-6.0%, K1.6-4.2%2O, 0.5-2.0% BaO;
the preparation method of the feather-shaped transmutation glaze comprises the following steps:
(1) preparing base glaze slip and surface glaze slip:
preparing a base glaze slip: ball-milling the ground glaze raw material by a wet method, sieving to prepare ground glaze slip, and controlling the specific gravity of the ground glaze slip to be 1.5-1.6g/cm3；
Preparing overglaze slip: wet ball milling and sieving the overglaze material to obtain the ground glaze slip, and controlling the specific weight of the ground glaze slip to be 1.45-1.55g/cm3；
(2) Glazing:
uniformly coating the ground glaze slip on a ceramic biscuit firing blank to form a ground glaze layer, drying the ground glaze layer, and coating the overglaze slip on the ground glaze layer to form an overglaze layer to prepare a glazed blank;
(3) and (3) sintering of the blank:
roasting the glazed body in an oxidizing atmosphere, heating at the speed of 150 ℃/h at the beginning, heating to 1150-1180 ℃, and starting phase splitting of the overglaze; then heating up to 1250-1280 ℃ at the speed of 40-70 ℃/h, preserving the heat for 20-60min, and finally cooling to room temperature.
2. The feather kiln glaze of claim 1,
in the step (1), before the preparation of the overglaze slip, the raw materials of zinc oxide and titanium dioxide are pre-calcined at the temperature of 1200-1300 ℃ for 30-60 min.
3. The feather kiln glaze of claim 1,
in the step (1), the sieving mesh number of the ground glaze slip and the surface glaze slip is 250 meshes, and the residue is 0.08-0.12 wt%.
4. The production method according to claim 1,
in the step (2), the thickness of the ground glaze layer is 0.2-0.5mm and the thickness of the surface glaze layer is 0.1-0.3mm during glazing.
5. The production method according to claim 1,
in the step (2), the water absorption of the ceramic biscuit body is 12-15%.
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| CN114315136B (en) * | 2021-12-02 | 2024-01-09 | 江苏高淳陶瓷股份有限公司 | Low-cost antibacterial ceramic glaze and preparation method thereof |
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