CN111196716A - Glaze-free heat-resistant daily white porcelain prepared from modified graphene and preparation process thereof - Google Patents
Glaze-free heat-resistant daily white porcelain prepared from modified graphene and preparation process thereof Download PDFInfo
- Publication number
- CN111196716A CN111196716A CN202010024415.8A CN202010024415A CN111196716A CN 111196716 A CN111196716 A CN 111196716A CN 202010024415 A CN202010024415 A CN 202010024415A CN 111196716 A CN111196716 A CN 111196716A
- Authority
- CN
- China
- Prior art keywords
- parts
- white porcelain
- modified graphene
- heat
- glaze
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/62204—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products using waste materials or refuse
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3427—Silicates other than clay, e.g. water glass
- C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
- C04B2235/3472—Alkali metal alumino-silicates other than clay, e.g. spodumene, alkali feldspars such as albite or orthoclase, micas such as muscovite, zeolites such as natrolite
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/422—Carbon
- C04B2235/425—Graphite
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/442—Carbonates
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/447—Phosphates or phosphites, e.g. orthophosphate, hypophosphite
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6562—Heating rate
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6565—Cooling rate
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6567—Treatment time
Abstract
The invention relates to the technical field of white porcelain manufacturing, in particular to a glaze-free heat-resistant daily white porcelain prepared from modified graphene and a manufacturing process thereof. The glaze-free heat-resistant daily white porcelain prepared from the modified graphene comprises glaze-free heat-resistant daily white porcelain, and raw materials of the glaze-free heat-resistant daily white porcelain comprise waste white porcelain, aluminum oxide, dolomite, potash feldspar, kaolin, quartz, stalactite, a dispersing agent, modified graphene and tricalcium phosphate. The glaze-free heat-resistant daily white porcelain prepared from the modified graphene is a brand-new glaze-free heat-resistant daily white porcelain, the modified graphene is introduced as a blank raw material, the modified graphene can be fully fused with blank slurry through adjustment of the blank slurry, the graphene is dispersed in the blank, the overall heat resistance and heat conductivity of the ceramic product are improved by virtue of the performance of the graphene, the ceramic product is wear-resistant, and particularly suitable for manufacturing heat-resistant tea sets and tableware, a brand-new application is provided for utilization of the traditional white porcelain, and the ceramic product has positive significance for promoting development of the white porcelain product and has positive economic benefits.
Description
Technical Field
The invention relates to the technical field of white porcelain manufacturing, in particular to a glaze-free heat-resistant daily white porcelain prepared from modified graphene and a manufacturing process thereof.
Background
Graphene is the thinnest and the hardest material in the world at present, the thermal conductivity is higher than that of carbon nanotubes and diamond, the electron mobility is higher than that of carbon nanotubes or silicon crystals at normal temperature, the resistivity is lower than that of copper or silver, the graphene is the material with the smallest resistivity in the world at present, and due to the unique charge mechanical properties, the composite material added with the graphene is more functional, not only shows excellent mechanical and electrical properties, but also has excellent processing performance, and a wider application field is provided for the composite material.
However, graphene with a complete structure is a two-dimensional crystal formed by combining benzene six-membered rings without any unstable bonds, the chemical stability is high, the surface of the graphene is in an inert state, the interaction with other media (such as solvents and the like) is weak, and strong Vanderwa force exists between sheets of the graphene and is easy to generate agglomeration, so that the existing graphene introduced as a ceramic technology is generally to add graphene into ceramic glaze to prepare heat-resistant glaze, for example, the heat-resistant environment-friendly glaze for tableware disclosed in application No. 201710160651.0, which is known to be a primary vitreous layer attached to the surface of a blank, so that if a graphene material can be applied to the ceramic blank, the heat resistance and the heat conductivity of the ceramic blank are improved by utilizing the characteristics of the graphene, and a brand-new application field is provided for the utilization of traditional white porcelain.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the glaze-free heat-resistant daily white porcelain prepared from the modified graphene and the preparation process thereof.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the glaze-free heat-resistant daily white porcelain prepared from the modified graphene comprises the following raw materials in parts by weight: 10-30 parts of waste white porcelain, 20-30 parts of aluminum oxide, 15-20 parts of dolomite, 15-20 parts of potassium feldspar, 5-10 parts of kaolin, 10-20 parts of quartz, 1-5 parts of stalactite, 0-5 parts of a dispersing agent, 1-5 parts of modified graphene and 1-2 parts of tricalcium phosphate.
Further, the modified graphene is water-soluble graphene.
Further, the glaze-free heat-resistant daily white porcelain comprises the following raw materials in parts by weight: 16 parts of waste white porcelain, 23 parts of aluminum oxide, 11 parts of dolomite, 16 parts of potassium feldspar, 6 parts of kaolin, 18 parts of quartz, 4 parts of stalactite, 2 parts of a dispersing agent, 2 parts of modified graphene and 2 parts of tricalcium phosphate.
Further, the glaze-free heat-resistant daily white porcelain comprises the following raw materials in parts by weight: 13 parts of waste white porcelain, 22 parts of aluminum oxide, 16 parts of dolomite, 17 parts of potassium feldspar, 6 parts of kaolin, 18 parts of quartz, 4 parts of stalactite, 3 parts of modified graphene and 1 part of tricalcium phosphate.
Further, the glaze-free heat-resistant daily white porcelain comprises the following raw materials in parts by weight: 21 parts of waste white porcelain, 20 parts of aluminum oxide, 16 parts of dolomite, 15 parts of potassium feldspar, 7 parts of kaolin, 12 parts of quartz, 2 parts of stalactite, 4 parts of a dispersing agent, 2 parts of modified graphene and 1 part of tricalcium phosphate.
A manufacturing process of a glaze-free heat-resistant daily white porcelain prepared from modified graphene comprises the following specific steps:
step 1, preparing raw materials according to raw material components of a glaze-free heat-resistant daily white porcelain blank;
step 2, adding the raw materials of the heat-resistant white porcelain body into a ball mill for wet ball milling, wherein the raw materials comprise: ball: the proportion of water is 2: 1: 1-2, grinding for 4-5 hours, adding the modified graphene after grinding, and continuously stirring for 4-5 hours to obtain blank slurry;
step 3, injecting the blank slurry into a mold within 20-30 minutes;
and 4, sintering, namely placing the blank containing the glaze into a kiln after the blank is dried, and sintering and forming at the sintering temperature of 1320-1328 ℃ to obtain the glaze-free heat-resistant daily white porcelain prepared from the modified graphene.
Further, in the step 3, after the grouting is finished, the mould is placed into a drying room and baked for 10-15 minutes until the water content of the blank body is 5-10%.
Further, the firing control in step 4 is as follows:
a preheating section: raising the temperature from normal temperature to 300 ℃ in 20-30 minutes;
a temperature rising section: the temperature of the kiln is continuously increased to 800 +/-10 ℃ after 3-4 hours;
in the heat preservation stage, the temperature of the kiln is raised to the firing temperature within 4-5 hours, and the heat is preserved for 30-50 minutes after the firing temperature is reached;
a cooling section: the temperature of the kiln is reduced to 200-300 ℃ after 1-2 hours.
The invention provides a brand-new unglazed heat-resistant daily white porcelain, which is prepared by introducing modified graphene as a blank raw material, wherein the modified graphene can be fully fused with blank slurry through the adjustment of the blank slurry, the graphene is dispersed in the blank, and the overall heat resistance, heat conductivity and wear resistance of the ceramic product are improved by virtue of the performance of the graphene.
Detailed Description
The invention is further described below by means of specific embodiments.
The glaze-free heat-resistant daily white porcelain prepared from the modified graphene comprises the following raw materials in parts by weight: 10-30 parts of waste white porcelain, 20-30 parts of aluminum oxide, 15-20 parts of dolomite, 15-20 parts of potassium feldspar, 5-10 parts of kaolin, 10-20 parts of quartz, 1-5 parts of stalactite, 0-5 parts of a dispersing agent, 1-5 parts of modified graphene and 1-2 parts of tricalcium phosphate, wherein the modified graphene is water-soluble graphene.
The first embodiment is as follows:
the glaze-free heat-resistant daily white porcelain prepared from the modified graphene comprises the following raw materials in parts by weight: 16 parts of waste white porcelain, 23 parts of aluminum oxide, 11 parts of dolomite, 16 parts of potassium feldspar, 6 parts of kaolin, 18 parts of quartz, 4 parts of stalactite, 2 parts of a dispersing agent, 2 parts of modified graphene and 2 parts of tricalcium phosphate.
The second embodiment is as follows:
the glaze-free heat-resistant daily white porcelain prepared from the modified graphene comprises the following raw materials in parts by weight: 13 parts of waste white porcelain, 22 parts of aluminum oxide, 16 parts of dolomite, 17 parts of potassium feldspar, 6 parts of kaolin, 18 parts of quartz, 4 parts of stalactite, 3 parts of modified graphene and 1 part of tricalcium phosphate.
The third concrete embodiment:
the glaze-free heat-resistant daily white porcelain prepared from the modified graphene comprises the following raw materials in parts by weight: 21 parts of waste white porcelain, 20 parts of aluminum oxide, 16 parts of dolomite, 15 parts of potassium feldspar, 7 parts of kaolin, 12 parts of quartz, 2 parts of stalactite, 4 parts of a dispersing agent, 2 parts of modified graphene and 1 part of tricalcium phosphate.
A manufacturing process of a glaze-free heat-resistant daily white porcelain prepared from modified graphene comprises the following specific steps:
step 1, preparing raw materials according to raw material components of a glaze-free heat-resistant daily white porcelain blank;
step 2, adding the raw materials of the heat-resistant white porcelain body into a ball mill for wet ball milling, wherein the raw materials comprise: ball: the proportion of water is 2: 1: 1-2, grinding for 4-5 hours, adding the modified graphene after grinding, and continuously stirring for 4-5 hours to obtain blank slurry;
step 3, injecting the blank slurry into a mold within 20-30 minutes, placing the mold into a drying room after the slurry injection is finished, and baking for 10-15 minutes until the water content of the blank is 5-10%;
and 4, sintering, namely placing the glaze-containing blank into a kiln after the blank is dried, sintering and forming, wherein the sintering temperature is 1320-:
a preheating section: raising the temperature from normal temperature to 300 ℃ in 20-30 minutes;
a temperature rising section: the temperature of the kiln is continuously increased to 800 +/-10 ℃ after 3-4 hours;
in the heat preservation stage, the temperature of the kiln is raised to the firing temperature within 4-5 hours, and the heat is preserved for 30-50 minutes after the firing temperature is reached;
a cooling section: the temperature of the kiln is reduced to 200-300 ℃ after 1-2 hours.
The invention provides a brand-new unglazed heat-resistant daily white porcelain, which is prepared by introducing modified graphene as a blank raw material, wherein the modified graphene can be fully fused with blank slurry through the adjustment of the blank slurry, the graphene is dispersed in the blank, and the overall heat resistance, heat conductivity and wear resistance of the ceramic product are improved by virtue of the performance of the graphene.
The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.
Claims (8)
1. The glaze-free heat-resistant daily white porcelain prepared from the modified graphene is characterized in that: the glaze-free heat-resistant daily white porcelain comprises the following raw materials in parts by weight: 10-30 parts of waste white porcelain, 20-30 parts of aluminum oxide, 15-20 parts of dolomite, 15-20 parts of potassium feldspar, 5-10 parts of kaolin, 10-20 parts of quartz, 1-5 parts of stalactite, 0-5 parts of a dispersing agent, 1-5 parts of modified graphene and 1-2 parts of tricalcium phosphate.
2. The unglazed heat-resistant daily white porcelain prepared from the modified graphene according to claim 1, characterized in that: the modified graphene is water-soluble graphene.
3. The unglazed heat-resistant daily white porcelain prepared from the modified graphene according to claim 2, characterized in that: the glaze-free heat-resistant daily white porcelain comprises the following raw materials in parts by weight: 16 parts of waste white porcelain, 23 parts of aluminum oxide, 11 parts of dolomite, 16 parts of potassium feldspar, 6 parts of kaolin, 18 parts of quartz, 4 parts of stalactite, 2 parts of a dispersing agent, 2 parts of modified graphene and 2 parts of tricalcium phosphate.
4. The unglazed heat-resistant daily white porcelain prepared from the modified graphene according to claim 1 or 3, characterized in that: the glaze-free heat-resistant daily white porcelain comprises the following raw materials in parts by weight: 13 parts of waste white porcelain, 22 parts of aluminum oxide, 16 parts of dolomite, 17 parts of potassium feldspar, 6 parts of kaolin, 18 parts of quartz, 4 parts of stalactite, 3 parts of modified graphene and 1 part of tricalcium phosphate.
5. The unglazed heat-resistant daily white porcelain prepared from the modified graphene according to claim 1 or 3, characterized in that: the glaze-free heat-resistant daily white porcelain comprises the following raw materials in parts by weight: 21 parts of waste white porcelain, 20 parts of aluminum oxide, 16 parts of dolomite, 15 parts of potassium feldspar, 7 parts of kaolin, 12 parts of quartz, 2 parts of stalactite, 4 parts of a dispersing agent, 2 parts of modified graphene and 1 part of tricalcium phosphate.
6. A manufacturing process of an unglazed heat-resistant daily white porcelain prepared from modified graphene, which meets the requirements of 1-6, comprises the following specific steps:
step 1, preparing raw materials according to raw material components of a glaze-free heat-resistant daily white porcelain blank;
step 2, adding the raw materials of the heat-resistant white porcelain body into a ball mill for wet ball milling, wherein the raw materials comprise: ball: the proportion of water is 2: 1: 1-2, grinding for 4-5 hours, adding the modified graphene after grinding, and continuously stirring for 4-5 hours to obtain blank slurry;
step 3, injecting the blank slurry into a mold within 20-30 minutes;
and 4, sintering, namely placing the blank containing the glaze into a kiln after the blank is dried, and sintering and forming at the sintering temperature of 1320-1328 ℃ to obtain the glaze-free heat-resistant daily white porcelain prepared from the modified graphene.
7. The manufacturing process of the unglazed heat-resistant daily white porcelain prepared from the modified graphene according to claim 7 is characterized in that: and 3, after the grouting is finished, placing the die into a drying room, and baking for 10-15 minutes until the water content of the blank body is 5-10%.
8. The manufacturing process of the unglazed heat-resistant daily white porcelain prepared from the modified graphene according to claim 7 is characterized in that: the firing control in step 4 is as follows:
a preheating section: raising the temperature from normal temperature to 300 ℃ in 20-30 minutes;
a temperature rising section: the temperature of the kiln is continuously increased to 800 +/-10 ℃ after 3-4 hours;
in the heat preservation stage, the temperature of the kiln is raised to the firing temperature within 4-5 hours, and the heat is preserved for 30-50 minutes after the firing temperature is reached;
a cooling section: the temperature of the kiln is reduced to 200-300 ℃ after 1-2 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010024415.8A CN111196716A (en) | 2020-01-10 | 2020-01-10 | Glaze-free heat-resistant daily white porcelain prepared from modified graphene and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010024415.8A CN111196716A (en) | 2020-01-10 | 2020-01-10 | Glaze-free heat-resistant daily white porcelain prepared from modified graphene and preparation process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111196716A true CN111196716A (en) | 2020-05-26 |
Family
ID=70744703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010024415.8A Withdrawn CN111196716A (en) | 2020-01-10 | 2020-01-10 | Glaze-free heat-resistant daily white porcelain prepared from modified graphene and preparation process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111196716A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111978069A (en) * | 2020-09-02 | 2020-11-24 | 福建泉州顺美集团有限责任公司 | One-step forming surface carved glaze-free thin white porcelain product and integrated manufacturing process thereof |
| CN112028605A (en) * | 2020-09-08 | 2020-12-04 | 福建省德化县腾艺陶瓷有限公司 | Jade white porcelain prepared from modified metakaolin and preparation process thereof |
-
2020
- 2020-01-10 CN CN202010024415.8A patent/CN111196716A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111978069A (en) * | 2020-09-02 | 2020-11-24 | 福建泉州顺美集团有限责任公司 | One-step forming surface carved glaze-free thin white porcelain product and integrated manufacturing process thereof |
| CN112028605A (en) * | 2020-09-08 | 2020-12-04 | 福建省德化县腾艺陶瓷有限公司 | Jade white porcelain prepared from modified metakaolin and preparation process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105130410B (en) | A kind of preparation method of Fast back-projection algorithm CBN grinding tool vitrified bonds | |
| CN101333114A (en) | Method for making high-thermal-conductivity aluminium nitride ceramics substrate | |
| CN103096529B (en) | There is the manufacture method of the silicon nitride heat generating body of higher reliability and fail safe | |
| CN111196716A (en) | Glaze-free heat-resistant daily white porcelain prepared from modified graphene and preparation process thereof | |
| CN103011870B (en) | Forsterite refractory and production method thereof | |
| CN105418086A (en) | Silicon oxide bonded silicon carbide material | |
| CN101654362A (en) | Silicon oxynitride combined carborundum high-temperature ceramic material and preparation method thereof | |
| CN103030415A (en) | High-performance forsterite refractory raw material and preparation method thereof | |
| CN112608028A (en) | High-strength suspension insulator head glaze and preparation method thereof | |
| CN100532319C (en) | Mo-corundum ceramic material and low-temperature sintering method | |
| CN107162620A (en) | A kind of shell ceramic batch of sepiolite nanofiber reinforcing and preparation method thereof | |
| CN106430981A (en) | Cordierite-based glass ceramics containing modified fly ash and preparation process thereof | |
| CN112723746B (en) | Low-temperature fancy glaze prepared from high-barium copper ore tailings and preparation method thereof | |
| CN112340992B (en) | Surface glazing process of Jun porcelain plate | |
| CN100509692C (en) | Tungsten corundum ceramic material and low temperature sintering method | |
| KR101262809B1 (en) | Composite for buncheong ceramic wear available for slip casting and manufacturing method of buncheong porcelain | |
| CN109336614B (en) | Preparation method of Sialon/Ti-22Al-25Nb ceramic matrix composite material | |
| CN108178615B (en) | Microwave ceramic dielectric sintered powder material, microwave dielectric ceramic and application thereof | |
| CN105924231B (en) | A kind of wear-resisting glaze for electric porcelain and preparation method thereof | |
| CN112897885B (en) | High-purity silica glass ceramic material and preparation method thereof | |
| CN102060510A (en) | Material of porcelain-like industrial purple-sand product and manufacturing method thereof | |
| CN109231961B (en) | Deformation-resistant rapid-fired fine pottery blank and preparation and application method thereof | |
| CN113213905A (en) | Cordierite-based microcrystalline glass combined Al2O3-SiO2System ceramic material and preparation method thereof | |
| CN111925205A (en) | Low-thermal expansion coefficient complex phase ceramic and preparation method thereof | |
| CN103044043A (en) | Compact forsterite fire-resistant raw material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200526 |