CN111170716B - High-brightness colorful ceramic product and preparation method thereof - Google Patents
High-brightness colorful ceramic product and preparation method thereof Download PDFInfo
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- CN111170716B CN111170716B CN202010057932.5A CN202010057932A CN111170716B CN 111170716 B CN111170716 B CN 111170716B CN 202010057932 A CN202010057932 A CN 202010057932A CN 111170716 B CN111170716 B CN 111170716B
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- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
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- 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
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- 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
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- 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
- C04B2235/3481—Alkaline earth metal alumino-silicates other than clay, e.g. cordierite, beryl, micas such as margarite, plagioclase feldspars such as anorthite, zeolites such as chabazite
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Abstract
The invention provides a high-brightness colorful ceramic product and a preparation method thereof, wherein the high-brightness colorful ceramic product comprises a green body and a glaze applied to the surface of the green body, and the green body comprises the following components in parts by weight: 20-45 parts of kaolin, 8-15 parts of albite, 15-25 parts of quartz sand, 5-10 parts of high-permeability silica powder and 4-8 parts of cordierite; the glaze comprises the following components in parts by weight: 8-15 parts of lead oxide, 5-8 parts of zinc sulfide, 6-10 parts of copper oxide and 4-6 parts of cobalt oxide. The glaze material of the present invention is composed of specific components, not only can obtain colorful ceramic products with colorful colors, but also can excite to generate certain fluorescence, the glaze material is glazed on the green body of the present invention, and the transparent refraction effect of the high-transparency silica powder and the cordierite is added, so that the high-brightness colorful ceramic products can be obtained, and the glaze color is glittering, glossy, bright, has glass texture, and is pleasing to the eyes.
Description
Technical Field
The invention relates to the technical field of ceramic products, in particular to a high-brightness colorful ceramic product and a preparation method thereof.
Background
The development history of ceramics is an important component of the history of Chinese civilization, and ceramics of different generations in history of China have different artistic styles and different technical characteristics. Colorful and colorful colored glaze appears in the period, and cyan is as follows: bean green, shadow green, pink green, Longquan azure, etc.; reddish purple such as: worship red, Langdian red, Junhong, rose violet, drunk beauty, and glaze red; yellow as: titanhuang, picrorhiza, Oreopterus Selfe, and Pink Oreochromis; green as: emerald green, malachite green, aventurine green, gothic green, etc.; black is as follows: black gold, rust flower, dark black; other materials include crystal glaze, crack glaze, and gold sand glaze.
Among these colored glazes, the ceramic products obtained by using the colored glaze with lighter color have fair brightness and luster, but the ceramic products obtained by using the colored glaze with darker color are generally darker and have insufficient visual impact.
In the prior art, in order to increase the brightness of dark-colored glaze ceramic products, such as underglaze red, the bright glaze ceramic products are generally prepared by firstly drawing patterns on a blank by adopting a copper red material, then applying transparent glaze, and finally firing in a kiln. However, since the coloring layer and the transparent glaze layer are not integrated, the firing difficulty is increased, the yield is low, and a ceramic product having high brightness and a bright color is not necessarily obtained.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a high-brightness colorful ceramic product and a preparation method thereof.
The invention provides a high-brightness colorful ceramic product which comprises a green body and a glaze applied to the surface of the green body, wherein the green body comprises the following components in parts by weight: 20-45 parts of kaolin, 8-15 parts of albite, 15-25 parts of quartz sand, 5-10 parts of high-permeability silica powder and 4-8 parts of cordierite;
the glaze comprises the following components in parts by weight: 8-15 parts of lead oxide, 5-8 parts of zinc sulfide, 6-10 parts of copper oxide and 4-6 parts of cobalt oxide.
The glaze material of the present invention is composed of lead oxide, zinc sulfide, copper oxide and cobalt oxide, not only colorful ceramic products with colorful colors can be obtained, but also the interaction among the zinc sulfide, the copper oxide and the cobalt oxide can excite the production of certain fluorescence, the glaze material is applied on the green body of the present invention, and the transparent refraction action of the high transparent silicon micro powder and the cordierite is added, so that the colorful ceramic products with high brightness can be obtained, the glaze color is glittering and translucent, the glass texture is provided, and the present invention is pleasing to the eyes.
In a preferred embodiment of the invention, the green body comprises the following components in parts by weight: 30-35 parts of kaolin, 10-15 parts of albite, 20-25 parts of quartz sand, 8-10 parts of high-permeability silica powder and 4-6 parts of cordierite.
Furthermore, the mesh number of the high-permeability silica micro powder and the cordierite is 400-800 meshes, and the mesh number of the quartz sand, the kaolin and the albite is 200-300 meshes.
The particle sizes of the high-transparency silica powder and cordierite are smaller than those of other components, so that the dispersion degree is increased on one hand, a foundation is provided for high brightness of a product, and on the other hand, different particle size grading of the components of a blank body are beneficial to blank forming and good in compactness.
In a preferred embodiment of the present invention, the glaze further comprises one or more of zirconia, calcined talc, kaolin.
In order to make the glaze layer more uniform and compact, the glaze further comprises an additive with the mass percentage of 0.2-0.8% (based on the total amount of the glaze), wherein the additive is one or more of sodium carboxymethylcellulose, sodium lignosulfonate, sodium silicate and sodium tripolyphosphate.
In a preferred embodiment of the invention, the additive consists of sodium carboxymethyl cellulose and sodium silicate in a mass ratio of 1 (1-3).
The invention also provides a preparation method of the high-brightness colorful ceramic product, which comprises the following steps:
(1) preparing materials: uniformly mixing the components of the blank according to the proportion;
(2) blank preparation: molding or kneading to obtain a molded blank, and air-drying in the shade;
(3) and (3) blank burning: placing the formed blank into a kiln, and carrying out biscuit firing at 1000-1200 ℃;
(4) glazing: uniformly mixing all the components of the glaze, adding water to obtain glaze slurry with the water content of 45-52%, and glazing on the plain body;
(5) firing glaze: and putting the raw blank with the glaze slurry in the kiln again, and burning to 800-900 ℃ to form a colored glaze surface.
The preparation method has mild and non-harsh conditions and high firing yield, the glaze surface diffuses and flows around in the firing process, the colored glaze is mutually infiltrated and blended, the color is natural and harmonious, and the patterns are smooth.
Further, in the step (1), mechanical stirring is firstly adopted for mixing, and then a three-roller machine is used for uniformly dispersing.
The invention adopts a three-roller machine for dispersion, and has better effect than the dispersion modes such as ball milling, mechanical stirring and the like. Preferably, the speed ratio of the slow, medium and fast rollers of the three-roller machine is 1 (2.5-3) to (5-9), and the rotating speed of the slow roller is controlled to be 20-35 r/min.
Further, the bisque firing temperature in the step (3) is 1100 +/-10 ℃.
The invention has the beneficial effects that:
the glaze material of the present invention is composed of specific components, not only can obtain colorful ceramic products with colorful colors, but also can excite to generate certain fluorescence, the glaze material is applied on the green body of the present invention, and the transparent refraction effect of the high-transparency silica powder and the cordierite is added, so that the colorful ceramic products with high brightness can be obtained, and the glaze color is glittering and translucent, has glass texture, and is pleasing to the eyes. The preparation method has the advantages of non-harsh conditions, high firing product rate, diffusion and flow of glaze surfaces to the periphery in the firing process, mutual infiltration and blending of colored glaze, natural and harmonious colors and smooth patterns.
Detailed Description
The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention. The examples do not show the specific techniques or conditions, according to the technical or conditions described in the literature in the field, or according to the product specifications. The reagents or instruments used are conventional products available from regular distributors, not indicated by the manufacturer.
In the following examples, the mesh number of the high-permeability fine silica powder and cordierite was 600 mesh, and the mesh number of the remaining components was 250 mesh.
Example 1
The embodiment provides a high-brightness colorful ceramic product, which comprises a green body and a glaze applied to the surface of the green body, wherein the green body comprises the following components in parts by weight: 32 parts of kaolin, 11 parts of albite, 20 parts of quartz sand, 8 parts of high-transmittance silicon micro powder and 6 parts of cordierite;
the glaze comprises the following components in parts by weight: 12 parts of lead oxide, 8 parts of zinc sulfide, 8 parts of copper oxide and 6 parts of cobalt oxide.
The embodiment also provides a preparation method of the high-brightness colorful ceramic product, which comprises the following steps:
(1) preparing materials: mechanically stirring and mixing the components of the blank according to the proportion, and then uniformly dispersing by using a three-roller machine, wherein the speed ratio of a slow roller, a medium roller and a fast roller of the three-roller machine is 1:3:9, and the rotating speed of the slow roller is controlled to be 20-35 r/min;
(2) blank preparation: molding or kneading to obtain a molded blank, and air-drying in the shade;
(3) and (3) blank burning: placing the formed blank into a kiln, and biscuiting at 1100 ℃;
(4) glazing: uniformly mixing all the components of the glaze, adding water to obtain glaze slurry with the water content of 52%, and glazing on the plain blank;
(5) firing glaze: and putting the blank body with the glaze slurry in the kiln again, and burning to 800 ℃ to form a colored glaze surface.
Example 2
The embodiment provides a high-brightness colorful ceramic product, which comprises a green body and a glaze applied to the surface of the green body, wherein the green body comprises the following components in parts by weight: 35 parts of kaolin, 10 parts of albite, 21 parts of quartz sand, 10 parts of high-transmittance silicon micro powder and 4 parts of cordierite;
the glaze comprises the following components in parts by weight: 12 parts of lead oxide, 8 parts of zinc sulfide, 10 parts of copper oxide, 5 parts of cobalt oxide, 10 parts of kaolin, 0.9 part of sodium carboxymethylcellulose and 0.9 part of sodium silicate.
The embodiment also provides a preparation method of the high-brightness colorful ceramic product, which comprises the following steps:
(1) preparing materials: mechanically stirring and mixing the components of the blank according to the proportion, and then uniformly dispersing by using a three-roller machine, wherein the speed ratio of a slow roller, a medium roller and a fast roller of the three-roller machine is 1:3:9, and the rotating speed of the slow roller is controlled to be 20-35 r/min;
(2) blank preparation: molding or kneading to obtain a molded blank, and air-drying in the shade;
(3) and (3) blank burning: placing the formed blank in a kiln, and biscuiting at 1050 ℃;
(4) glazing: uniformly mixing all the components of the glaze, adding water to obtain glaze slurry with the water content of 50%, and glazing on the plain blank;
(5) firing glaze: and putting the blank body with the glaze slurry in the kiln again, and burning to 850 ℃ to form a colored glaze surface.
Example 3
The embodiment provides a high-brightness colorful ceramic product, which comprises a green body and a glaze applied to the surface of the green body, wherein the green body comprises the following components in parts by weight: 40 parts of kaolin, 9 parts of albite, 25 parts of quartz sand, 9 parts of high-transmittance silicon micro powder and 8 parts of cordierite;
the glaze comprises the following components in parts by weight: 10 parts of lead oxide, 8 parts of zinc sulfide, 6 parts of copper oxide, 6 parts of cobalt oxide, 5 parts of zirconium oxide, 10 parts of kaolin, 0.8 part of sodium carboxymethylcellulose and 1.2 parts of sodium silicate.
The embodiment also provides a preparation method of the high-brightness colorful ceramic product, which comprises the following steps:
(1) preparing materials: mechanically stirring and mixing the components of the blank according to the proportion, and then uniformly dispersing by using a three-roller machine, wherein the speed ratio of a slow roller, a medium roller and a fast roller of the three-roller machine is 1:3:9, and the rotating speed of the slow roller is controlled to be 20-35 r/min;
(2) blank preparation: molding or kneading to obtain a molded blank, and air-drying in the shade;
(3) and (3) blank burning: placing the formed blank into a kiln, and biscuiting at 1100 ℃;
(4) glazing: uniformly mixing all the components of the glaze, adding water to obtain glaze slurry with the water content of 49%, and glazing on the plain blank;
(5) firing glaze: and putting the blank body with the glaze slurry in the kiln again, and burning to 900 ℃ to form a colored glaze.
Performance testing
The ceramic articles obtained in examples 1 to 3 were subjected to the following performance tests:
and (3) testing the glossiness: testing by adopting a gloss meter according to the regulation of the national standard GB/T3295-1996 ceramic product 45-degree specular gloss test method;
and (3) testing the transmittance: according to the specification of the national standard GB 3296-2The ceramic product fragments as samples are respectively ground to the thicknesses of 0.500 mm, 1.000 mm and 1.500mm, a transmittance meter is adopted for testing, the incident light intensity is 100, and the transmittance of the samples is expressed by the relative percentage intensity of the transmitted light of the samples with the thickness of 1 mm;
and (3) testing thermal stability: taking 5 ceramic product fragments as a sample, placing the sample at 280 ℃ for heat preservation for 300 minutes, taking out the sample after heat preservation, performing accounting, putting the sample into water at the temperature of 20 ℃ at a rapid speed within 15s, soaking for 10 minutes, wherein the weight ratio of the water to the weight of the sample is 8:1, the water surface is 25mm higher than the sample, taking out the sample, wiping the sample with cloth, checking whether cracks exist, rechecking once after 24 hours, and the less cracks are generated, so that the thermal stability of the sample is better.
In addition, according to the formula: and (4) calculating the yield, namely the number of finished products fired in one batch/total number of fired products.
The results of all the above tests are shown in table 1.
Table 1 results of performance testing of ceramic articles of examples
| Test items | Example 1 | Example 2 | Example 3 |
| Degree of gloss | 118 | 121 | 122 |
| Transmittance of light | 84％ | 84％ | 86％ |
| Thermal stability | Without cracks | Without cracks | Without cracks |
| Yield of finished products | 85％ | 87％ | 88％ |
As can be seen from the table, the ceramic product prepared by the embodiment of the invention has good brightness, bright color, good stability and high yield.
Although the invention has been described in detail hereinabove with respect to a general description and specific embodiments thereof, it will be apparent to those skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (6)
1. The high-brightness colorful ceramic product is characterized by comprising a green body and a glaze applied to the surface of the green body, wherein the green body comprises the following components in parts by weight: 20-45 parts of kaolin, 8-15 parts of albite, 15-25 parts of quartz sand, 5-10 parts of high-permeability silica powder and 4-8 parts of cordierite;
the glaze material comprises the following components in parts by weight: 10 parts of lead oxide, 8 parts of zinc sulfide, 6 parts of copper oxide, 6 parts of cobalt oxide, 5 parts of zirconium oxide, 10 parts of kaolin, 0.8 part of sodium carboxymethylcellulose and 1.2 parts of sodium silicate.
2. The high brightness multi-colored ceramic article of claim 1, wherein the green body is comprised of the following components in parts by weight: 30-35 parts of kaolin, 10-15 parts of albite, 20-25 parts of quartz sand, 8-10 parts of high-permeability silica powder and 4-6 parts of cordierite.
3. The bright multi-colored ceramic article of claim 2, wherein the fine silica powder and cordierite have a mesh size of 400-800 mesh, and the quartz sand, kaolin and albite have a mesh size of 200-300 mesh.
4. A method of producing a bright, multi-colored ceramic article according to any one of claims 1 to 3, comprising the steps of:
(1) preparing materials: uniformly mixing the components of the blank according to the proportion;
(2) blank preparation: molding or kneading to obtain a molded blank, and air-drying in the shade;
(3) and (3) blank burning: placing the formed blank into a kiln, and carrying out biscuit firing at 1000-1200 ℃;
(4) glazing: uniformly mixing all the components of the glaze, adding water to obtain glaze slurry with the water content of 45-52%, and glazing on the plain body;
(5) firing glaze: and putting the raw blank with the glaze slurry in the kiln again, and burning to 800-900 ℃ to form a colored glaze surface.
5. The method according to claim 4, wherein the step (1) is carried out by mixing with mechanical stirring and then dispersing with a three-roll mill.
6. The method according to claim 4, wherein the bisque firing temperature in the step (3) is 1100 ± 10 ℃.
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| CN108840665A (en) * | 2018-09-11 | 2018-11-20 | 景德镇市华运坊陶瓷有限公司 | A kind of high, Gao Bai, high-strength egg-shell ceramic veneer |
| CN109503126A (en) * | 2018-12-12 | 2019-03-22 | 福建省德化业美陶瓷有限公司 | A kind of thin tire whiteware product of high light transmission and preparation method thereof |
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|---|---|---|---|---|
| CN1040571A (en) * | 1988-08-22 | 1990-03-21 | 郭景年 | Be improved to the porcelain tri-coloured glazed pottery of " combination of two glaze " by the ceramic tri-coloured glazed pottery |
| CN103910539A (en) * | 2014-04-04 | 2014-07-09 | 辉煌水暖集团有限公司 | Ceramic metal glaze |
| CN108840665A (en) * | 2018-09-11 | 2018-11-20 | 景德镇市华运坊陶瓷有限公司 | A kind of high, Gao Bai, high-strength egg-shell ceramic veneer |
| CN109503126A (en) * | 2018-12-12 | 2019-03-22 | 福建省德化业美陶瓷有限公司 | A kind of thin tire whiteware product of high light transmission and preparation method thereof |
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