CN115745587A - Preparation method of porcelain and prepared porcelain - Google Patents
Preparation method of porcelain and prepared porcelain Download PDFInfo
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- CN115745587A CN115745587A CN202211428022.9A CN202211428022A CN115745587A CN 115745587 A CN115745587 A CN 115745587A CN 202211428022 A CN202211428022 A CN 202211428022A CN 115745587 A CN115745587 A CN 115745587A
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- 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
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- 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
Abstract
The invention provides a preparation method of porcelain and the prepared porcelain, and belongs to the technical field of ceramics. The porcelain comprises a porcelain body and a glaze layer arranged on the surface of the porcelain body, wherein the porcelain body is prepared from a pottery clay material which is prepared from the following raw materials: 10-15 parts of kaolin, 5-10 parts of bentonite, 4-7 parts of feldspar, 20-40 parts of talcum powder, 5-7 parts of nano alumina and 3-5 parts of clay; the glaze material for forming the glaze layer is prepared from the following raw materials: 5-10 parts of fluorine-containing nano silicon-aluminum-titanium-cobalt oxide and 12-20 parts of kaolin. After the glaze prepared by the invention is sprayed on the surface of a biscuit firing blank, the surface contains rich fluorine-containing groups, so that the prepared surface glaze layer has good hydrophobic and oleophobic properties and a self-cleaning effect, and the prepared porcelain has a wider application range.
Description
Technical Field
The invention relates to the technical field of ceramics, in particular to a preparation method of porcelain and the prepared porcelain.
Background
Along with the progress and development of society, the increasingly improvement of cultural level of people and the interaction of cultural industry, the art and the practicality of porcelain are exerted more and more, become indispensable and satisfy the cultural dinner that people viewed and admire.
The porcelain is an art porcelain integrating appreciation and use. It is wind, rain, fog, sunlight and durable, and may not be replaced by any material. The novel multifunctional toy is installed in buildings, parks and public places, and adds colors to the life of people. Therefore, the porcelain has wide market and development prospect in various big cities and abroad.
In the manufacturing process of traditional porcelain products, how to select and control raw materials of the products and the temperature during processing is not high-temperature resistant if the pug is not well prepared, and the porcelain is easy to crack in the processing and production process, so that the composition control of blank pugs and the control of the sintering process are particularly important, and in addition, the raw materials are continuously exhausted due to the limitation of regions.
Disclosure of Invention
The invention aims to provide a preparation method of a porcelain and the prepared porcelain, which can obviously improve the high-temperature resistance of a porcelain pug, the biscuit body prepared by high-temperature biscuit firing has uniform pores, does not generate irregular bubbling and has high stability, and meanwhile, the oxide surface contains abundant fluorine-containing groups, so that the surface contains abundant fluorine-containing groups after the prepared glaze is sprayed on the surface of the biscuit body, and the prepared surface glaze layer has good hydrophobic and oleophobic properties and a self-cleaning effect.
The technical scheme of the invention is realized as follows:
the invention provides a porcelain, which comprises a porcelain body and a glaze layer arranged on the surface of the porcelain body, wherein the porcelain body is prepared from a clay material, and the clay material is prepared from the following raw materials: 10-15 parts of kaolin, 5-10 parts of bentonite, 4-7 parts of feldspar, 20-40 parts of talcum powder, 5-7 parts of nano alumina and 3-5 parts of clay; the glaze material for forming the glaze layer is prepared from the following raw materials: 5-10 parts of fluorine-containing nano silicon-aluminum-titanium-cobalt oxide and 12-20 parts of kaolin.
As a further improvement of the invention, the preparation method of the nano alumina comprises the following steps:
s1, dissolving aluminum isopropoxide in an organic solvent to obtain an oil phase;
s2, dissolving an emulsifier in water to obtain a water phase;
and S3, adding the oil phase into the water phase, emulsifying, centrifuging, drying and calcining to obtain the nano aluminum oxide.
As a further improvement of the present invention, the organic solvent in step S1 is at least one selected from dichloromethane, chloroform, carbon tetrachloride, ethyl acetate, propanol, isopropanol, butyl acetate, acetonitrile and tetrahydrofuran.
As a further improvement of the present invention, in step S2, the emulsifier is at least one selected from sodium dodecylbenzene sulfonate, sodium dodecylsulfonate, sodium dodecylsulfate, sodium tetradecyl benzene sulfonate, sodium tetradecyl sulfide, sodium hexadecylbenzene sulfonate, sodium hexadecyl sulfate, sodium octadecyl sulfonate, sodium octadecyl benzene sulfonate, and sodium octadecyl sulfate.
As a further improvement of the invention, the mass ratio of the aluminum isopropoxide to the emulsifier is 10.5-1; the mass ratio of the oil phase to the water phase is 5-7; the emulsification condition is 12000-15000r/min for 3-5min; the calcining temperature is 500-600 ℃, and the time is 1-2h.
As a further improvement of the invention, the preparation method of the fluorine-containing nano silicon-aluminum-titanium-cobalt oxide comprises the following steps:
t1, dissolving aluminum nitrate, titanium nitrate and cobalt nitrate in water, adding sodium citrate, heating and evaporating to form gel, increasing the temperature, reducing the pressure intensity to obtain dry gel, and igniting the dry gel to obtain aluminum-titanium-cobalt oxide;
and T2, dispersing the aluminum-titanium-cobalt oxide and an emulsifier in an alkaline aqueous solution, adding an organic solution containing fluorine-containing silane, emulsifying, stirring for reaction, filtering, washing and drying to obtain the fluorine-containing nano silicon-aluminum-titanium-cobalt oxide.
As a further improvement of the invention, in the step T1, the mass ratio of the aluminum nitrate to the titanium nitrate to the cobalt nitrate to the sodium citrate is 1-3; the temperature of the heating evaporation is 70-90 ℃, the temperature is increased to 120-150 ℃, and the pressure is reduced to 0.01-0.1MPa.
As a further improvement of the invention, the organic solution is at least one selected from dichloromethane, chloroform, carbon tetrachloride, ethyl acetate and butyl acetate; the mass ratio of the alkaline aqueous solution to the organic solution containing the fluorine-containing silane is (3-5); the fluorine-containing silane is selected from 1H, 2H-perfluorodecyltriethoxysilane, 1H, 2H-perfluorodecyltrimethoxysilane, dodecafluoroheptylpropyltrimethoxysilane, dodecafluoroheptylpropylmethyldimethoxysilane, dodecafluorodecyltrimethoxysilane, and mixtures thereof 3,3,3-trifluoropropylmethyldimethoxysilane, 3,3,3-trifluoropropyltrimethoxysilane, 1H, 2H-perfluorooctyltriethoxysilane, or 1H, 2H-perfluorooctyltrimethoxysilane.
As a further improvement of the invention, the pH value of the alkaline aqueous solution in the step T2 is 9-10, the emulsification condition is 10000-12000r/min emulsification for 3-5min, and the stirring reaction time is 3-5h.
The invention further provides a preparation method of the porcelain, which comprises the following steps:
(1) Preparing a blank: weighing the raw materials according to a certain proportion, uniformly mixing, performing ball milling treatment for 1-2h, adding clear water, stirring and mixing, removing iron and ageing to prepare mud cakes, and then performing pugging on the mud cakes to obtain blanks;
(2) Preparing glaze: weighing the raw materials according to a proportion, mixing, grinding, sieving, removing iron, adding clear water, and blending to obtain glaze;
(3) Molding: processing and forming the blank prepared in the step (1), and naturally drying to form a blank body;
(4) Glaze spraying: biscuit firing the blank prepared in the step (3) at 1200-1400 ℃ for 10-12h to form a biscuit firing blank, then uniformly rotating the biscuit firing blank, spraying the glaze prepared in the step (2) on the surface of the biscuit firing blank to form a glaze layer, and naturally drying to obtain a glaze spraying blank;
(5) And (3) firing: and (4) firing the glaze spraying blank prepared in the step (4) at 1000-1200 ℃ for 12-15h, naturally cooling after firing, rapidly cooling to-10-0 ℃, and naturally heating to obtain the porcelain.
The invention has the following beneficial effects:
according to the invention, the nano alumina is added into the ceramic mud material, so that the high temperature resistance of the ceramic mud material is obviously improved, a biscuit firing blank prepared by high-temperature biscuit firing has uniform pores, does not generate irregular foaming and has high stability;
furthermore, the fluorine-containing nano silicon-aluminum-titanium-cobalt oxide added into the glaze has better antibacterial property because of containing titanium oxide, and meanwhile, the surface of the oxide contains rich fluorine-containing groups, so that after the prepared glaze is sprayed on the surface of a biscuit firing body, the surface of the glaze contains rich fluorine-containing groups, and the prepared surface glaze layer has good hydrophobic and oleophobic properties and a self-cleaning effect, and the prepared porcelain has a wider application range.
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 of the 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.
Example 1
The embodiment provides a porcelain, which comprises a porcelain body and a glaze layer arranged on the surface of the porcelain body, wherein the porcelain body is prepared from a clay material.
The pottery mud material is prepared from the following raw materials: 10 parts of kaolin, 5 parts of bentonite, 4 parts of feldspar, 20 parts of talcum powder, 5 parts of nano alumina and 3 parts of clay.
The preparation method of the nano-alumina comprises the following steps:
s1, dissolving aluminum isopropoxide in dichloromethane to obtain an oil phase;
s2, dissolving sodium octadecyl sulfonate in water to obtain a water phase;
s3, adding 50 parts by weight of oil phase into 60 parts by weight of water phase, emulsifying for 3min at the mass ratio of aluminum isopropoxide to emulsifier of 10.5 at 12000r/min, centrifuging, drying, and calcining for 1h at 500 ℃ to obtain the nano-alumina.
The glaze material for forming the glaze layer is prepared from the following raw materials: 5 parts of fluorine-containing nano silicon-aluminum-titanium-cobalt oxide and 12 parts of kaolin.
The preparation method of the fluorine-containing nano silicon-aluminum-titanium-cobalt oxide comprises the following steps:
t1, dissolving 1 part by weight of aluminum nitrate, 3 parts by weight of titanium nitrate and 1 part by weight of cobalt nitrate in 100 parts by weight of water, adding 15 parts by weight of sodium citrate, heating to 70 ℃, evaporating to form gel, increasing the temperature to 120 ℃, reducing the pressure to 0.01MPa to obtain dry gel, and igniting the dry gel to obtain aluminum-titanium-cobalt oxide;
and T2, dispersing 10 parts by weight of aluminum-titanium-cobalt oxide and an emulsifier in 50 parts by weight of alkaline aqueous solution with the pH value of 9, adding 100 parts by weight of ethyl acetate solution containing 5 parts by weight of dodecafluoroheptyl-propyl-trimethoxy silane, emulsifying for 3min at the speed of 10000r/min, stirring for reacting for 3h, filtering, washing and drying to obtain the fluorine-containing nano silicon-aluminum-titanium-cobalt oxide.
The preparation method of the porcelain comprises the following steps:
(1) Preparing a blank: weighing the raw materials according to a certain proportion, uniformly mixing, performing ball milling treatment for 1h, adding clear water, stirring and mixing, removing iron and ageing to prepare mud cakes, and then pugging the mud cakes to obtain blanks;
(2) Preparing glaze: weighing the raw materials in proportion, mixing, grinding, sieving, removing iron, adding clear water, and blending to obtain glaze;
(3) Molding: processing and molding the blank prepared in the step (1), and naturally drying to form a blank body;
(4) Glaze spraying: biscuiting the blank prepared in the step (3) at 1200 ℃ for 10h to form a biscuited blank, then uniformly rotating the biscuited blank, spraying the glaze prepared in the step (2) on the surface of the biscuited blank to form a glaze layer, and naturally drying to obtain a glaze-sprayed blank;
(5) And (3) firing: and (4) firing the glaze spraying blank prepared in the step (4) at 1000 ℃ for 12h, naturally cooling after firing, rapidly cooling to-10 ℃, and naturally heating to obtain the porcelain.
Example 2
The embodiment provides porcelain, which comprises a porcelain body and a glaze layer arranged on the surface of the porcelain body, wherein the porcelain body is prepared from a clay material.
The pottery pug is prepared from the following raw materials: 15 parts of kaolin, 10 parts of bentonite, 7 parts of feldspar, 40 parts of talcum powder, 7 parts of nano aluminum oxide and 5 parts of clay.
The preparation method of the nano-alumina comprises the following steps:
s1, dissolving aluminum isopropoxide in ethyl acetate to obtain an oil phase;
s2, dissolving sodium tetradecyl sulfonate in water to obtain a water phase;
s3, adding 50 parts by weight of oil phase into 70 parts by weight of water phase, emulsifying for 5min at the mass ratio of aluminum isopropoxide to emulsifier of 10 at 15000r/min, centrifuging, drying, and calcining for 2h at 600 ℃ to obtain the nano-alumina.
The glaze material for forming the glaze layer is prepared from the following raw materials: 10 parts of fluorine-containing nano silicon-aluminum-titanium-cobalt oxide and 20 parts of kaolin.
The preparation method of the fluorine-containing nano silicon-aluminum-titanium-cobalt oxide comprises the following steps:
t1, dissolving 3 parts by weight of aluminum nitrate, 7 parts by weight of titanium nitrate and 2 parts by weight of cobalt nitrate in 100 parts by weight of water, adding 20 parts by weight of sodium citrate, heating to 90 ℃, evaporating to form gel, increasing the temperature to 150 ℃, reducing the pressure to 0.1MPa to obtain dry gel, and igniting the dry gel to obtain aluminum-titanium-cobalt oxide;
and T2, dispersing 10 parts by weight of aluminum-titanium-cobalt oxide and an emulsifier in 50 parts by weight of an alkaline aqueous solution with the pH value of 10, adding 100 parts by weight of a butyl acetate solution containing 5 parts by weight of 1H,2H and 2H-perfluorodecyl triethoxysilane, emulsifying for 5min at a speed of 12000r/min, stirring for reacting for 5h, filtering, washing and drying to obtain the fluorine-containing nano silicon-aluminum-titanium-cobalt oxide.
The preparation method of the porcelain comprises the following steps:
(1) Preparing a blank: weighing the raw materials according to a certain proportion, uniformly mixing, performing ball milling treatment for 2 hours, adding clear water, stirring and mixing, removing iron and ageing to prepare mud cakes, and then pugging the mud cakes to obtain blanks;
(2) Preparing glaze: weighing the raw materials according to a proportion, mixing, grinding, sieving, removing iron, adding clear water, and blending to obtain glaze;
(3) Molding: processing and molding the blank prepared in the step (1), and naturally drying to form a blank body;
(4) Glaze spraying: carrying out biscuit firing for 12h at 1400 ℃ on the blank prepared in the step (3) to form a biscuit firing blank, then uniformly rotating the biscuit firing blank, spraying the glaze prepared in the step (2) on the surface of the biscuit firing blank to form a glaze layer, and naturally drying to obtain a glaze spraying blank;
(5) And (3) firing: and (4) firing the glaze spraying blank prepared in the step (4) at 1200 ℃ for 15h, naturally cooling after firing, rapidly cooling to 0 ℃, and naturally heating to obtain the porcelain.
Example 3
The embodiment provides a porcelain, which comprises a porcelain body and a glaze layer arranged on the surface of the porcelain body, wherein the porcelain body is prepared from a clay material.
The pottery pug is prepared from the following raw materials: 12 parts of kaolin, 7 parts of bentonite, 5 parts of feldspar, 30 parts of talcum powder, 6 parts of nano alumina and 4 parts of clay.
The preparation method of the nano aluminum oxide comprises the following steps:
s1, dissolving aluminum isopropoxide in carbon tetrachloride to obtain an oil phase;
s2, dissolving sodium dodecyl sulfate in water to obtain a water phase;
s3, adding 50 parts by weight of oil phase into 65 parts by weight of water phase, emulsifying for 4min at a mass ratio of aluminum isopropoxide to emulsifier of 10.7 at 13500r/min, centrifuging, drying, and calcining for 1.5h at 550 ℃ to obtain the nano-alumina.
The glaze material for forming the glaze layer is prepared from the following raw materials: 7 parts of fluorine-containing nano silicon-aluminum-titanium-cobalt oxide and 15 parts of kaolin.
The preparation method of the fluorine-containing nano silicon-aluminum-titanium-cobalt oxide comprises the following steps:
t1, dissolving 2 parts by weight of aluminum nitrate, 5 parts by weight of titanium nitrate and 1.5 parts by weight of cobalt nitrate in 100 parts by weight of water, adding 17 parts by weight of sodium citrate, heating to 80 ℃, evaporating to form gel, raising the temperature to 135 ℃, reducing the pressure to 0.05MPa to obtain dry gel, and igniting the dry gel to obtain aluminum-titanium-cobalt oxide;
and T2, dispersing 10 parts by weight of aluminum-titanium-cobalt oxide and an emulsifier in 50 parts by weight of alkaline aqueous solution with the pH value of 9.5, adding 100 parts by weight of ethyl acetate solution containing 5 parts by weight of 3, 3-trifluoropropylmethyldimethoxysilane, emulsifying for 4min at the speed of 11000r/min, stirring for reacting for 4h, filtering, washing and drying to obtain the fluorine-containing nano silicon-aluminum-titanium-cobalt oxide.
The preparation method of the porcelain comprises the following steps:
(1) Preparing a blank: weighing the raw materials according to a certain proportion, uniformly mixing, performing ball milling treatment for 1.5h, adding clear water, stirring and mixing, removing iron and ageing to prepare mud cakes, and then performing pugging on the mud cakes to obtain blanks;
(2) Preparing glaze: weighing the raw materials according to a proportion, mixing, grinding, sieving, removing iron, adding clear water, and blending to obtain glaze;
(3) Molding: processing and molding the blank prepared in the step (1), and naturally drying to form a blank body;
(4) Glaze spraying: biscuiting the blank prepared in the step (3) at 1300 ℃ for 11h to form a biscuited blank, then uniformly rotating the biscuited blank, spraying the glaze prepared in the step (2) on the surface of the biscuited blank to form a glaze layer, and naturally drying to obtain a glaze-sprayed blank;
(5) And (3) firing: and (5) firing the glaze spraying blank body prepared in the step (4) at 1100 ℃ for 13h, naturally cooling after firing, then carrying out quenching to-10 to 0 ℃, and then naturally heating to obtain the porcelain.
Comparative example 1
Compared with the example 3, the difference is that the nano alumina is not added into the ceramic pug.
Comparative example 2
Compared with example 3, the difference is that the fluorine-containing nano silicon-aluminum-titanium-cobalt oxide is not added in the glaze.
Test example 1
The methods of examples 1-3 of the present invention and comparative examples 1-2 were compared and the results are shown in Table 1.
TABLE 1
| Group of | Number of baking (one) | Number of cracks | Success rate (%) |
| Example 1 | 100 | 100 | 100 |
| Example 2 | 100 | 100 | 100 |
| Example 3 | 100 | 100 | 100 |
| Comparative example 1 | 100 | 85 | 85 |
| Comparative example 2 | 100 | 92 | 92 |
As can be seen from the above table, the methods of examples 1 to 3 of the present invention have a higher firing success rate.
Test example 2
The ceramics obtained in examples 1 to 3 and comparative examples 1 to 2 were measured by a contact angle measuring instrument, and the results are shown in Table 2.
TABLE 2
| Group of | Water contact Angle (°) | Hexadecane contact Angle (°) |
| Example 1 | 155 | 162 |
| Example 2 | 157 | 164 |
| Example 3 | 156 | 165 |
| Comparative example 1 | 132 | 140 |
| Comparative example 2 | 89 | 90 |
As can be seen from the table, the porcelain manufactured in the embodiments 1-3 of the invention has good hydrophobic and oleophobic properties and certain self-cleaning capability.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The porcelain is characterized by comprising a porcelain body and a glaze layer arranged on the surface of the porcelain body, wherein the porcelain body is prepared from a clay material which is prepared from the following raw materials: 10-15 parts of kaolin, 5-10 parts of bentonite, 4-7 parts of feldspar, 20-40 parts of talcum powder, 5-7 parts of nano alumina and 3-5 parts of clay; the glaze material for forming the glaze layer is prepared from the following raw materials: 5-10 parts of fluorine-containing nano silicon-aluminum-titanium-cobalt oxide and 12-20 parts of kaolin.
2. The porcelain of claim 1, wherein the nano-alumina is prepared by a method comprising:
s1, dissolving aluminum isopropoxide in an organic solvent to obtain an oil phase;
s2, dissolving an emulsifier in water to obtain a water phase;
and S3, adding the oil phase into the water phase, emulsifying, centrifuging, drying and calcining to obtain the nano-alumina.
3. The chinaware of claim 2, wherein the organic solvent in step S1 is selected from at least one of dichloromethane, chloroform, carbon tetrachloride, ethyl acetate, propanol, isopropanol, butyl acetate, acetonitrile, and tetrahydrofuran.
4. The porcelain according to claim 2, wherein in step S2 said emulsifier is at least one selected from the group consisting of sodium dodecylbenzene sulfonate, sodium dodecylsulfonate, sodium dodecylsulfate, sodium tetradecyl benzene sulfonate, sodium tetradecyl sulfide, sodium hexadecylbenzene sulfonate, sodium hexadecyl sulfate, sodium octadecyl sulfonate, sodium octadecyl benzene sulfonate, and sodium octadecyl sulfate.
5. The porcelain as claimed in claim 2, wherein the mass ratio of the aluminum isopropoxide to the emulsifier is 10; the mass ratio of the oil phase to the water phase is 5-7; the emulsification condition is 12000-15000r/min for 3-5min; the calcination temperature is 500-600 ℃, and the calcination time is 1-2h.
6. The porcelain as claimed in claim 1, wherein the fluorine-containing nano silicon-aluminum-titanium-cobalt oxide is prepared by a method comprising:
t1, dissolving aluminum nitrate, titanium nitrate and cobalt nitrate in water, adding sodium citrate, heating and evaporating to form gel, increasing the temperature, reducing the pressure intensity to obtain dry gel, and igniting the dry gel to obtain aluminum-titanium-cobalt oxide;
and T2, dispersing the aluminum-titanium-cobalt oxide and an emulsifier in an alkaline aqueous solution, adding an organic solution containing fluorine-containing silane, emulsifying, stirring for reaction, filtering, washing and drying to obtain the fluorine-containing nano silicon-aluminum-titanium-cobalt oxide.
7. The porcelain according to claim 6, wherein in step T1, the mass ratio of the aluminum nitrate to the titanium nitrate to the cobalt nitrate to the sodium citrate is 1-3; the temperature of the heating evaporation is 70-90 ℃, the temperature is increased to 120-150 ℃, and the pressure is reduced to 0.01-0.1MPa.
8. The porcelain of claim 6, wherein the organic solution is selected from at least one of methylene chloride, chloroform, carbon tetrachloride, ethyl acetate, butyl acetate; the mass ratio of the alkaline aqueous solution to the organic solution containing the fluorine-containing silane is (3-5); the fluorine-containing silane is selected from 1H, 2H-perfluorodecyltriethoxysilane, 1H, 2H-perfluorodecyltrimethoxysilane, dodecafluoroheptylpropyltrimethoxysilane, dodecafluoroheptylpropylmethyldimethoxysilane, dodecafluorodecyltrimethoxysilane, and mixtures thereof 3,3,3-trifluoropropylmethyldimethoxysilane, 3,3,3-trifluoropropyltrimethoxysilane, 1H, 2H-perfluorooctyltriethoxysilane, or 1H, 2H-perfluorooctyltrimethoxysilane.
9. The porcelain according to claim 6, wherein the pH of the alkaline aqueous solution in step T2 is 9 to 10, the emulsification condition is 10000 to 12000r/min for 3 to 5min, and the stirring reaction time is 3 to 5 hours.
10. A method of making porcelain according to any one of claims 1-9, comprising the steps of:
(1) Preparing a blank: weighing the raw materials according to a certain proportion, uniformly mixing, performing ball milling treatment for 1-2h, adding clear water, stirring and mixing, removing iron and ageing to prepare mud cakes, and then performing pugging on the mud cakes to obtain blanks;
(2) Preparing glaze: weighing the raw materials according to a proportion, mixing, grinding, sieving, removing iron, adding clear water, and blending to obtain glaze;
(3) Molding: processing and molding the blank prepared in the step (1), and naturally drying to form a blank body;
(4) Glaze spraying: biscuit firing the blank prepared in the step (3) at 1200-1400 ℃ for 10-12h to form a biscuit firing blank, then uniformly rotating the biscuit firing blank, spraying the glaze prepared in the step (2) on the surface of the biscuit firing blank to form a glaze layer, and naturally drying to obtain a glaze spraying blank;
(5) And (3) firing: and (4) firing the glaze spraying blank prepared in the step (4) at 1000-1200 ℃ for 12-15h, naturally cooling after firing, rapidly cooling to-10-0 ℃, and naturally heating to obtain the porcelain.
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| CN112979349A (en) * | 2021-03-24 | 2021-06-18 | 江西金唯冠建材有限公司 | Wear-resistant antifouling ceramic starlight glazed brick and preparation method thereof |
| CN114213922A (en) * | 2022-01-24 | 2022-03-22 | 东莞市安宿泰电子科技有限公司 | Heat dissipation coating and preparation method thereof |
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