Mutton fat jade ceramic material and production process of mutton fat jade ceramic

Abstract

The invention discloses a mutton fat jade ceramic material and a production process of mutton fat jade ceramic, and belongs to the technical field of ceramic. The mutton fat jade ceramic material comprises the following components in parts by mass: 40-50 parts of Liaoning feldspar, 5-8 parts of goose soft stone, 25-32 parts of Longyan kaolin, 8-14 parts of Guangxi kaolin, 6-10 parts of Inner Mongolia bentonite, 20-26 parts of quartz stone and 20-30 parts of a reinforcing material, the reinforcing material is prepared from the following components in parts by mass: 12 to 16 parts of titanium oxide, 15 to 17 parts of mullite, 9 to 11 parts of cerium oxide and 11 to 15 parts of nano zeolite powder. The mutton fat jade ceramic material prepared by the invention has a high-whiteness effect, mild color and luster, high strength and no scratches.

Description

Technical Field

[0001] This invention belongs to the field of ceramic technology, specifically relating to a mutton fat jade ceramic material and a production process for mutton fat jade ceramic. Background Art

[0002] Currently, the market offers a dazzling array of ceramic products, some pursuing vibrant colors and others unique patterns. Ceramic companies need to conduct extensive innovation and research to meet market demands.

[0003] Mutton fat jade ceramics, a local specialty, are renowned for their "warm and lustrous color" and "pure white and moist texture." Traditional mutton fat jade ceramics are made by firing the clay body and the glaze adhering to its surface. The firing process demands extremely high precision, resulting in a low yield and consequently, a high market price. For example: Chinese invention patent application document with application number 202210161939.0 discloses a mutton fat white Ru jade ceramic and its preparation method. It achieves the effect of mutton fat white Ru jade glaze by controlling the iron content. However, the process is relatively complicated by the body, glaze, and egg yolk glaze spots between the two. Moreover, it requires controlling the oxidizing atmosphere at 1.8 to 2.3 atmospheres during firing, which is relatively material-intensive and time-consuming, and it is not easy to produce a large number of finished products.

[0004] Therefore, it is necessary to develop a simple firing process for mutton fat jade ceramics and a production process for mutton fat jade ceramics that saves materials and time. Summary of the Invention

[0005] The purpose of this invention is to overcome the shortcomings of the prior art and provide a simple firing process, material-saving and time-saving mutton fat jade ceramic material and a production process for mutton fat jade ceramic.

[0006] The present invention adopts the following technical solutions: The mutton fat jade ceramic material includes the following components by weight: 40-50 parts of Liaoning feldspar, 5-8 parts of cobblestone, 25-32 parts of Longyan kaolin, 8-14 parts of Guangxi kaolin, 6-10 parts of Inner Mongolia bentonite, 20-26 parts of quartz, and 20-30 parts of reinforcing material. The reinforcing material comprises the following components in parts by mass: 12-16 parts titanium oxide, 15-17 parts mullite, 9-11 parts cerium oxide, and 11-15 parts nano zeolite powder.

[0007] The production process for preparing mutton fat jade ceramics using the aforementioned mutton fat jade ceramic material includes the following steps: Step 1: Preparation of reinforcing material: S1. According to the stated mass fractions, the titanium oxide, mullite, cerium oxide and nano zeolite powder are mixed, crushed and sieved to obtain the first mixture; S2. Ball milling is performed according to the following mass ratio: First mixture: styrene-butadiene emulsion: dibutyl phthalate: water = 1:0.3:0.2:1.0~1.1 to obtain ball milling material; S3. The ball milling material obtained in S22 is dried and then fired to obtain the reinforcing material; Step 2: Mixing: According to the stated mass fractions, the Liaoning feldspar, cobblestone, Longyan kaolin, Guangxi kaolin, Inner Mongolia bentonite, and quartz are mixed and crushed to obtain a second mixture. Step 3: Prepare the main ingredients The second mixture obtained in step two is ball-milled, dried, and sieved to obtain the main material; Step 4: Practicing and Shaping the Clay The reinforcing material obtained in step one and the main material obtained in step three are mixed and kneaded into clay. At the same time, the resulting clay is shaped to obtain a blank to be fired. Step 5: Firing: The blank obtained in step four is fired and cooled to obtain a semi-finished product. Step Six: Place the semi-finished product obtained in Step Five into a high-alumina ball polisher for polishing to obtain mutton fat jade ceramic.

[0008] Furthermore, the sieves used in S1 and step three are both 200-250 mesh.

[0009] Furthermore, in step S2, the ball milling speed is 350~400 r / min and the ball milling time is 24~36 h; in step S3, the ball milling speed is 500~600 r / min and the ball milling time is 24~36 h.

[0010] Furthermore, the drying temperature in step S3 is 70~80℃, and the drying time is 1~2h; the firing temperature in step S3 is 120~130℃, and the firing time is 60~90min. During the calcination described in step five, the temperature is increased to 1330-1370℃ at a heating rate of 1.1-1.2℃ / min, held at the temperature for 15-20 minutes, and then allowed to cool naturally.

[0011] Furthermore, the polishing time described in step six is ​​15-20 minutes. Beneficial effects

[0012] Compared with the prior art, the present invention has the following advantages: The mutton fat jade ceramic of the present invention uses Longyan kaolin, Guangxi kaolin, quartz and reinforcing materials as the main raw materials. It consists only of ceramic body materials and does not require glazing on the surface, which can better save raw materials.

[0013] Meanwhile, in order not to affect the hardness of the ceramic, titanium dioxide, mullite, cerium oxide and nano zeolite powder are used as reinforcing materials, mixed with styrene-butadiene emulsion and dibutyl phthalate and ball-milled. The adsorption effect of nano zeolite powder, the lubricant of styrene-butadiene emulsion and the viscosity provided by dibutyl phthalate give the reinforcing materials a strong adhesive effect in the entire green body raw material. Unlike the traditional segmented firing method, it is fired by uniform heating. Finally, it is polished in a high-alumina ball polisher for 15 to 20 minutes to obtain mutton fat jade ceramic.

[0014] The manufacturing method of this invention has a low cost, but the resulting mutton fat jade ceramic also has a high whiteness, a warm and lustrous color, high strength, and no scratches. Detailed Implementation

[0015] All raw materials used in this invention are commercially available products: The styrene-butadiene emulsion was purchased from Nanjing Danpei Chemical Co., Ltd. as M-3628. Example 1

[0016] The mutton fat jade ceramic material comprises the following components by weight: 40 parts Liaoning feldspar, 5 parts cobblestone, 25 parts Longyan kaolin, 8 parts Guangxi kaolin, 6 parts Inner Mongolia bentonite, 20 parts quartz, and 20 parts reinforcing material.

[0017] The reinforcing material comprises the following components in parts by mass: 12 parts titanium oxide, 15 parts mullite, 9 parts cerium oxide, and 11 parts nano zeolite powder.

[0018] The production process for preparing mutton fat jade ceramics using the aforementioned mutton fat jade ceramic material includes the following steps: Step 1: Preparation of reinforcing material: S1. According to the stated mass fractions, the titanium oxide, mullite, cerium oxide and nano zeolite powder are mixed, crushed and sieved through a 200-mesh sieve to obtain the first mixture. S2. Ball milling is performed according to the following mass ratio: first mixture: styrene-butadiene emulsion: dibutyl phthalate: water = 1:0.3:0.2:1.0, the ball milling speed is 350 r / min, and the ball milling time is 24 h to obtain the ball milling material; S3. The ball milling material obtained in S22 is dried at a temperature of 70°C for 1 hour, and then fired at a temperature of 120°C for 60 minutes to obtain a reinforcing material. Step 2: Mixing: According to the stated mass fractions, the Liaoning feldspar, cobblestone, Longyan kaolin, Guangxi kaolin, Inner Mongolia bentonite, and quartz are mixed and crushed to obtain a second mixture. Step 3: Prepare the main ingredients The second mixture obtained in step two is ball-milled, dried, and sieved to obtain the main material, wherein: the ball milling speed is 500 r / min, the ball milling time is 24 h, the drying temperature is 70 ℃, the drying time is 1 h, and the sieve is 200 mesh; Step 4: Practicing and Shaping the Clay The reinforcing material obtained in step one and the main material obtained in step three are mixed and kneaded into clay. At the same time, the resulting clay is shaped to obtain a blank to be fired. Step 5: Firing: The blank obtained in step four is fired by heating it to 1330°C at a heating rate of 1.1°C / min, holding it at that temperature for 15 minutes, and then naturally cooling it to obtain a semi-finished product. Step Six: Place the semi-finished product obtained in Step Five into a high-alumina ball polisher and polish for 15-20 minutes to obtain mutton fat jade ceramic. Example 2

[0019] The mutton fat jade ceramic material comprises the following components by weight: 50 parts Liaoning feldspar, 8 parts cobblestone, 32 parts Longyan kaolin, 14 parts Guangxi kaolin, 10 parts Inner Mongolia bentonite, 26 parts quartz, and 30 parts reinforcing material.

[0020] The reinforcing material comprises the following components in parts by mass: 16 parts titanium oxide, 17 parts mullite, 11 parts cerium oxide, and 15 parts nano zeolite powder.

[0021] The production process for preparing mutton fat jade ceramics using the aforementioned mutton fat jade ceramic material includes the following steps: Step 1: Preparation of reinforcing material: S1. According to the mass fractions, the titanium oxide, mullite, cerium oxide and nano zeolite powder are mixed, crushed and sieved through a 250-mesh sieve to obtain the first mixture. S2. Ball milling is performed according to the following mass ratio: first mixture: styrene-butadiene emulsion: dibutyl phthalate: water = 1:0.3:0.2:1.1, the ball milling speed is 400 r / min, and the ball milling time is 36 h to obtain the ball milled material; S3. The ball milling material obtained in S22 is dried at a temperature of 80°C for 2 hours, and then fired at a temperature of 130°C for 90 minutes to obtain the reinforcing material. Step 2: Mixing: According to the stated mass fractions, the Liaoning feldspar, cobblestone, Longyan kaolin, Guangxi kaolin, Inner Mongolia bentonite, and quartz are mixed and crushed to obtain a second mixture. Step 3: Prepare the main ingredients The second mixture obtained in step two is ball-milled, dried, and sieved to obtain the main material, wherein: the ball milling speed is 600 r / min, the ball milling time is 36 h, the drying temperature is 80 ℃, the drying time is 2 h, and the sieve is 250 mesh; Step 4: Practicing and Shaping the Clay The reinforcing material obtained in step one and the main material obtained in step three are mixed and kneaded into clay. At the same time, the resulting clay is shaped to obtain a blank to be fired. Step 5: Firing: The blank obtained in step four is fired by heating it to 1370°C at a heating rate of 1.2°C / min, holding it at the temperature for 20 minutes, and then naturally cooling it to obtain a semi-finished product. Step Six: Place the semi-finished product obtained in Step Five into a high-alumina ball polisher and polish for 20 minutes to obtain mutton fat jade ceramic. Example 3

[0022] The mutton fat jade ceramic material comprises the following components by weight: 45 parts of Liaoning feldspar, 6 parts of cobblestone, 30 parts of Longyan kaolin, 10 parts of Guangxi kaolin, 8 parts of Inner Mongolia bentonite, 24 parts of quartz, and 26 parts of reinforcing material.

[0023] The reinforcing material comprises the following components in parts by mass: 14 parts titanium oxide, 16 parts mullite, 10 parts cerium oxide, and 13 parts nano zeolite powder.

[0024] The production process for preparing mutton fat jade ceramics using the aforementioned mutton fat jade ceramic material includes the following steps: Step 1: Preparation of reinforcing material: S1. According to the mass fractions, the titanium oxide, mullite, cerium oxide and nano zeolite powder are mixed, crushed and sieved through a 200-mesh sieve to obtain the first mixture. S2. Ball milling is performed according to the following mass ratio: first mixture: styrene-butadiene emulsion: dibutyl phthalate: water = 1:0.3:0.2:1.1, the ball milling speed is 400 r / min, and the ball milling time is 36 h to obtain the ball milled material; S3. The ball milling material obtained in S22 is dried at a temperature of 75°C for 1.5 hours and then fired at a temperature of 125°C for 80 minutes to obtain the reinforcing material. Step 2: Mixing: According to the stated mass fractions, the Liaoning feldspar, cobblestone, Longyan kaolin, Guangxi kaolin, Inner Mongolia bentonite, and quartz are mixed and crushed to obtain a second mixture. Step 3: Prepare the main ingredients The second mixture obtained in step two is ball-milled, dried, and sieved to obtain the main material, wherein: the ball milling speed is 600 r / min, the ball milling time is 36 h, the drying temperature is 75 ℃, the drying time is 1.5 h, and the sieve is 250 mesh; Step 4: Practicing and Shaping the Clay The reinforcing material obtained in step one and the main material obtained in step three are mixed and kneaded into clay. At the same time, the resulting clay is shaped to obtain a blank to be fired. Step 5: Firing: The blank obtained in step four is fired by heating it to 1350°C at a heating rate of 1.1°C / min, holding it at that temperature for 20 minutes, and then naturally cooling it to obtain a semi-finished product. Step Six: Place the semi-finished product obtained in Step Five into a high-alumina ball polisher and polish for 20 minutes to obtain mutton fat jade ceramic. Comparison Example

[0025] The mutton fat jade ceramic material comprises the following components by weight: 45 parts Liaoning feldspar, 6 parts cobblestone, 30 parts Longyan kaolin, 10 parts Guangxi kaolin, 8 parts Inner Mongolia bentonite, and 24 parts quartz.

[0026] The production process for preparing mutton fat jade ceramics using the aforementioned mutton fat jade ceramic material includes the following steps: Step 1: Mixing materials According to the stated mass fractions, the Liaoning feldspar, cobblestone, Longyan kaolin, Guangxi kaolin, Inner Mongolia bentonite, and quartz are mixed and crushed to obtain a mixture. Step 2: Prepare the main ingredients The mixture obtained in step one is ball-milled, dried, and sieved to obtain the main material, wherein: the ball milling speed is 600 r / min, the ball milling time is 36 h, the drying temperature is 75 ℃, the drying time is 1.5 h, and the sieve is 250 mesh; Step 3: Practicing and Shaping the Clay The main materials obtained in step two are mixed and kneaded into clay. At the same time, the clay is shaped to obtain the blank to be fired. Step 4: Firing: The blank obtained in step three is fired by heating it to 1350℃ at a heating rate of 1.1℃ / min, holding it at that temperature for 20 minutes, and then naturally cooling it to obtain a semi-finished product. Step 5: Place the semi-finished product obtained in Step 4 into a high-alumina ball polisher and polish for 20 minutes to obtain mutton fat jade ceramic.

[0027] The mutton fat jade ceramics prepared in the above three examples and the control example were tested. The lead leaching amount of the mutton fat jade ceramics in the four examples was less than 2.0 mg / L, the chromium leaching amount was less than 0.30 mg / L, and they did not crack after one heat exchange from 180℃ to 20℃.

[0028] The remaining test results are as follows:

[0029] As can be seen from Table 1, the structure of the mutton fat jade ceramics prepared in Examples 1 to 3 of the present invention shows that they have high whiteness, warm color, high strength, and no scratches.

[0030] The above description represents the preferred embodiments of the present invention. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of the present invention, and these improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. Mutton-fat jade ceramic material, characterized in that: The invention comprises the following components by weight: 40-50 parts of Liaoning feldspar, 5-8 parts of goose soft stone, 25-32 parts of Longyan kaolin, 8-14 parts of Guangxi kaolin, 6-10 parts of Inner Mongolia bentonite, 20-26 parts of quartz stone and 20-30 parts of reinforcing material; The reinforcing material comprises the following components in parts by mass: 12 to 16 parts of titanium oxide, 15 to 17 parts of mullite, 9 to 11 parts of cerium oxide, and 11 to 15 parts of nano zeolite powder.

2. A production process for preparing mutton-fat jade ceramics using the mutton-fat jade ceramic material according to claim 1, characterized in that: The steps include: Step 1: Preparation of reinforcing material: S1. According to the mass fractions, the titanium oxide, mullite, cerium oxide and nano zeolite powder are mixed and crushed, and sieved to obtain a first mixed material; S2, ball milling is performed according to the following mass ratio: first mixed material: styrene butadiene emulsion: dibutyl phthalate: water = 1:0.3:0.2:1.0-1.1 to obtain a ball mill material; S3, drying the ball mill material obtained in S22, and firing it to obtain a reinforced material; Step 2: Mixing: According to the mass fractions, the Liaoning feldspar, goose soft stone, Longyan kaolin, Guangxi kaolin, Inner Mongolia bentonite and quartz stone are mixed and crushed to obtain a second mixed material; Step 3: Make the main ingredients The second mixed material obtained in step 2 is ball-milled, dried, and sieved to obtain the main material; Step 4: Kneading and forming The reinforcing material obtained in step 1 and the main material obtained in step 3 are mixed and kneaded, and at the same time, the obtained clay material is formed to obtain a green body to be fired; Step 5: Firing: The green body to be fired obtained in step 4 is fired, and after cooling, a semi-finished product is obtained; Step six: Place the semi-finished product obtained in step five in a high-aluminum ball polisher for polishing to obtain mutton-fat jade ceramics.

3. The production process of mutton-fat jade ceramics according to claim 2, characterized in that: The sieves used in the sieving in step S1 and the sieving in step 3 are both 200-250 mesh.

4. The production process of mutton-fat jade ceramics according to claim 2, characterized in that: In step 1 S2, the rotation speed of the ball mill is 350-400 r / min, and the ball milling time is 24-36 h. In step 3, the rotation speed of the ball mill is 500-600 r / min, and the ball milling time is 24-36 h.

5. The production process of mutton-fat jade ceramics according to claim 2, characterized in that: The drying temperature in step 1 S3 and step 3 is 70-80°C, and the drying time is 1-2h; the firing temperature in step 1 S3 is 120-130°C, and the firing time is 60-90min; During the calcination in step 5, the temperature is raised to 1330-1370° C. at a heating rate of 1.1-1.2° C. / min, maintained at the constant temperature for 15-20 minutes, and then cooled naturally.

6. The production process of mutton-fat jade ceramics according to claim 2, characterized in that: The polishing time in step six is ​​15 to 20 minutes.

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