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Laterite underglaze porcelain and its preparation method

A technology of underglaze color and red clay, which is applied to clay products, other household utensils, household utensils, etc., and can solve the problems of difficulty in forming the middle layer of glaze, poor hand feeling, and low market price.

Active Publication Date: 2020-05-12
德化县诚艺特种纸业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The main raw material of laterite body is rich in laterite resources, has good plasticity and is easy to shape, and has a wide range of firing temperatures, from 1000°C to 1250°C. However, due to the internal structure of the product material, it is difficult for red clay pottery to form a stable intermediate glaze layer. For this reason, most of the red soil pottery appears in the form of plain color, that is, the surface is decorated with mud paint and organic paint. Such products have a rough surface, poor hand feeling, and no smooth and delicate surface of porcelain, resulting in a generally low product grade and low market price. The reason for the low height limits its development space and needs further improvement

Method used

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  • Laterite underglaze porcelain and its preparation method
  • Laterite underglaze porcelain and its preparation method
  • Laterite underglaze porcelain and its preparation method

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preparation example Construction

[0032] The preparation method of the laterite underglaze color craft porcelain comprises the following steps:

[0033] (1) weigh the ingredients according to the raw material formula of laterite body and make-up soil, crush respectively, pass through a 200-mesh sieve, and wet ball mill to obtain base slurry and make-up soil slurry;

[0034] (2) Mix the Dehua low-temperature stone, Dehua limestone, Dehua quartz, borax and boric acid in the glaze formula evenly, put it into the melting furnace, and melt it into a frit at 1230-1270°C. After the frit is quenched, it is mixed with Dehua high territory wet ball milling to prepare glaze slurry;

[0035] (3) making the base slurry obtained in step (1) into a ceramic body;

[0036] (4) After the ceramic green body is dried, apply a layer of make-up soil slurry on its surface, send it into a kiln, and burn it at 880-920°C for 4-5 hours to obtain a ceramic green body;

[0037] (5) Carry out plain painting decoration on the surface of t...

Embodiment 1

[0046] Laterite underglaze craft porcelain, including laterite body, make-up clay and glaze;

[0047] The laterite body includes the following raw materials in parts by weight: 75 parts of Dehua Sanban laterite, 10 parts of dolomite, 20 parts of Dehua quartz, 10 parts of sepiolite, and 10 parts of wollastonite;

[0048] And the chemical composition of the laterite body is as follows: SiO 2 : 63.5%, Al 2 o 3 : 14.6%, Fe 2o 3 : 3.8%, K 2 O: 1.9%, Na 2 O: 0.2%, MgO: 3.2%, CaO: 4.9%, TiO 2 : 0.3%, I.L: 7.6%;

[0049] The make-up soil includes the following raw materials in parts by weight: 32 parts of Dehua clay, 35 parts of Dehua low-temperature stone, 10 parts of dolomite, and 20 parts of Dehua quartz.

[0050] And the chemical composition of makeup soil is as follows: SiO 2 : 66.2%, Al 2 o 3 : 13.7%, K 2 O: 4.1%, Na 2 O: 1.4%, MgO: 2.6%, CaO: 4.9%, Fe 2 o 3 : 0.4%, I.L: 6.7%.

[0051] The glaze includes the following raw materials in parts by weight: 22 parts of...

Embodiment 2

[0070] Laterite underglaze craft porcelain, including laterite body, make-up clay and glaze;

[0071] The laterite body includes the following raw materials in parts by weight: 65 parts of Dehua Sanban laterite, 15 parts of dolomite, 15 parts of Dehua quartz, 12 parts of sepiolite, and 8 parts of wollastonite;

[0072] And the chemical composition of the laterite body is as follows: SiO 2 : 57.8%, Al 2 o 3 : 17.8%, Fe 2 o 3 : 3.2%, K 2 O: 2.3%, Na 2 O: 0.4%, MgO: 2.6%, CaO: 6.1%, TiO 2 : 0.5%, I.L: 9.3%;

[0073] The make-up soil includes the following raw materials in parts by weight: 28 parts of Dehua clay, 45 parts of Dehua low-temperature stone, 15 parts of dolomite, and 15 parts of Dehua quartz.

[0074] And the chemical composition of makeup soil is as follows: SiO 2 : 59.4%, Al 2 o 3 : 16.7%, K 2 O: 5.1%, Na 2 O: 1.2%, MgO: 3.2%, CaO: 6.1%, Fe 2 o 3 : 0.2%, I.L: 8.1%.

[0075] The glaze includes the following raw materials in parts by weight: 28 parts of...

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Abstract

The invention relates to a red soil underglaze color art porcelain and a preparation method thereof. The red soil underglaze color art porcelain comprises a red soil blank body, engobe and a glaze material, wherein the red soil blank body comprises the following raw materials: Dehua class-three red soil, dolomite, Dehua quartz, sepiolite and wollastonite; the engobe comprises the following raw materials: Dehua clay, Dehua low-temperature stone, dolomite and Dehua quartz; the main raw materials of the red soil blank body and the engobe have similar chemical compositions so as to be beneficial to forming a middle layer through combining; the red soil blank body, the engobe and the glaze material have basically same thermal expansion coefficients, and the thermal expansion coefficient of theengobe is larger than that of the glaze material and smaller than that of the red soil blank body, so that the thermal shock property of the prepared red soil underglaze color art porcelain is stable,and the glaze is not cracked.

Description

technical field [0001] The invention belongs to the field of porcelain preparation, and in particular relates to a laterite underglaze craft porcelain and a preparation method thereof. Background technique [0002] The main raw material of laterite body is rich in laterite resources, has good plasticity and is easy to shape, and has a wide range of firing temperatures, from 1000°C to 1250°C. However, due to the internal structure of the product material, it is difficult for red clay pottery to form a stable intermediate glaze layer. For this reason, most of the red soil pottery appears in the form of plain color, that is, the surface is decorated with mud paint and organic paint. Such products have a rough surface, poor hand feeling, and no smooth and delicate surface of porcelain, resulting in a generally low product grade and low market price. The reason for the low height limits its development space and needs further improvement. Contents of the invention [0003] The...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B33/13C04B33/16C03C8/02C04B41/89C03C8/14
CPCC03C8/02C03C8/14C04B33/131C04B33/16C04B41/52C04B41/89C04B2235/321C04B2235/3418C04B2235/3445C04B2235/3454C04B41/5037C04B41/5022
Inventor 李双展许建星彭照耀林志辉郑长龙卢迪榛邱建智
Owner 德化县诚艺特种纸业有限公司
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