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Iron series colored glazes prepared from chlorite and decoration method thereof

A chlorite and color glaze technology, applied in the field of inorganic non-metallic materials, can solve problems such as no research report on ceramic iron-based color glaze, achieve good market prospects, reduce production costs, and widen the application range.

Inactive Publication Date: 2012-07-18
JINGDEZHEN CERAMIC INSTITUTE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, through the retrieval of domestic and foreign literature, there is no relevant research report on the preparation of ceramic iron-based colored glazes with chlorite as the main raw material.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Method for decorating ceramic products with iron-based oil drop glaze

[0025] The first step, raw material: chlorite 100%, wherein the chemical composition weight percentage of chlorite is: SiO 2 58.24%, Al 2 o 3 20.17%, Fe 2 o 3 8.30%, TiO 2 1.27%, CaO 0.27%, MgO 1.70%, K 2 O 4.90%, Na 2 O 1.70%, IL 3.45%;

[0026]The second step, ball milling and sieving: raw materials and water are ball milled at a weight ratio of 1:0.8, and then passed through a 250-mesh sieve;

[0027] The third step, glazing: apply the glaze slurry prepared in the previous step on the ceramic body by dipping the glaze, and the thickness of the glazing is 0.6mm;

[0028] The fourth step, firing: After the green body is dried, it is fired at 1300°C in an oxidizing atmosphere and kept for 30 minutes;

[0029] According to the above method, the ceramic product decorated with oil drop glaze is prepared. The glaze surface has high gloss and metallic luster. The gloss and chromaticity values ​...

Embodiment 2

[0031] Method for decorating ceramic products with iron-based rabbit hair glaze

[0032] The first step, raw materials: 85% chlorite, 10% calcined ashes, 5% Longyan kaolin, wherein the chemical composition weight percentage of chlorite is: SiO 2 60.38%, Al 2 o 3 19.57%, Fe 2 o 3 6.47%, TiO 2 1.60%, CaO 0.34%, MgO 2.82%, K 2 O 2.67%, Na 2 O 3.05%, IL 3.10%;

[0033] The second step, ball milling and sieving: raw materials and water are ball milled at a weight ratio of 1:0.8, and then passed through a 250-mesh sieve;

[0034] The third step, glazing: apply the glaze slurry prepared in the previous step on the ceramic body by dipping the glaze, and the thickness of the glazing is 0.8mm;

[0035] The fourth step, firing: After the green body is dried, it is fired in a reducing atmosphere at 1340 ° C, and it is kept for 5 minutes;

[0036] According to the above method, the ceramic product decorated with rabbit hair flower glaze is prepared. The glaze surface has high glos...

Embodiment 3

[0038] Method for decorating ceramic products with iron-based black metallic luster glaze

[0039] The first step, raw materials: 80% chlorite, 10% calcined ashes, 9% lead silicate, 1% cobalt oxide, wherein the chemical composition weight percentage of chlorite is: SiO 2 61.81%, Al 2 o 3 16.03%, Fe 2 o 3 8.73%, TiO 2 2.59%, CaO 1.26%, MgO 0.87%, K 2 O 3.24%, Na 2 O 1.86%, IL 3.61%;

[0040] The second step, ball milling and sieving: raw materials and water are ball milled at a weight ratio of 1:0.8, and then passed through a 250-mesh sieve;

[0041] The third step, glazing: apply the glaze slurry prepared in the previous step on the ceramic body by blowing the glaze, and the thickness of the glazing is 0.3mm;

[0042] The fourth step, firing: After the green body is dried, it is fired in an oxidizing atmosphere at 1200°C and kept for 60 minutes;

[0043] According to the above method, the ceramic product decorated with black metallic luster glaze is obtained. The glos...

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Abstract

The invention relates to iron series colored glazes prepared from chlorite and a decoration method thereof. The iron series colored glazes are prepared from chlorite mineral in Jingdezhen as a main raw material through compounding, ball milling and screening. The iron series glazes are applied to a ceramic green body, and the ceramic green body is dried and calcined at 1180-1350 DEC C by insulating for 5-120 min to obtain the colored glaze decorated ceramic product. Because the iron series colored glazes are prepared from the local chlorite in Jingdezhen as the raw material, not only are the mineral resources of feldspar, quartz and the like saved, but also the production cost of the ceramic product is greatly lowered. The different prepared colored glazes such as pea green, light greenish blue, plum green, rabbit hair, oil-spot temmoku, brown color and the like and metal luster glaze, mat glaze and the like can be widely applied to the decoration of domestic ceramics, architectural ceramics, sanitary ceramics and art ceramics.

Description

technical field [0001] The invention belongs to the field of inorganic non-metallic materials (ceramics), and in particular relates to a series of iron-based colored glazes prepared by using chlorite in Jingdezhen area and a decoration method thereof. Background technique [0002] There are many varieties of iron-based colored glazes, which can be divided into iron-based black glazes, iron-based red glazes, and iron-based yellow glazes according to the different colors of the glaze surface. , Tuhao, oil drop Tianmu, brown color and so on. The oil drop black glaze ware is called the oil drop Tianmu in the world, and the oil drop glaze was called "oil drop bead" in ancient times. It is a kind of precious iron crystal glaze in the Song Dynasty in my country. Its appearance is characterized by silver gray on the black glaze. Or the star spots with ocher metallic luster, like oil droplets floating on the water surface, give people a feeling of "drops and condensation". Because o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B41/86
Inventor 卢希龙曹春娥陈云霞余峰洪琛沈华荣熊春华
Owner JINGDEZHEN CERAMIC INSTITUTE
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