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A kind of cobalt carbonate high-temperature purple ceramic glaze and preparation method thereof

A technology of cobalt carbonate and ceramic glaze is applied in the field of ceramics, which can solve the problems of unsatisfactory and stable color development effect, and achieve the effects of improving the smoothness of the glaze surface, saving fuel costs, and reducing the firing temperature.

Active Publication Date: 2020-09-25
广东嘉联企业陶瓷有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Purple ceramic glaze has always been a color glaze that is very difficult to fire, and the color development effect has not been ideal and stable for a long time

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A cobalt carbonate high-temperature purple ceramic glaze is prepared by first preparing a cobalt carbonate high-temperature purple ceramic glaze, and then glazing and high-temperature sintering to obtain a cobalt carbonate high-temperature purple ceramic glaze, wherein the cobalt carbonate high-temperature purple ceramic glaze contains raw materials and various The mass percentage of raw material is:

[0035] Nepheline syenite 33.2%, chalk powder 6.8%, silicon dioxide 14.5%, calcined kaolin 25%, dolomite 15%, zinc oxide 5.8%, cobalt carbonate 2%.

[0036] A method for preparing a cobalt carbonate high-temperature purple ceramic glaze, comprising the following steps: firstly preparing a cobalt carbonate high-temperature purple ceramic glaze, glazing and sintering to obtain a cobalt carbonate high-temperature purple ceramic glaze; wherein, the preparation of the cobalt carbonate high-temperature purple ceramic glaze Methods as below:

[0037] Step 1, preparation of cobal...

Embodiment 2

[0043]A cobalt carbonate high-temperature purple ceramic glaze is prepared by first preparing a cobalt carbonate high-temperature purple ceramic glaze, and then glazing and high-temperature sintering to obtain a cobalt carbonate high-temperature purple ceramic glaze, wherein the cobalt carbonate high-temperature purple ceramic glaze contains raw materials and various The mass percentage of raw material is:

[0044] Nepheline syenite 30%, chalk powder 7%, silica 20%, calcined kaolin 18%, dolomite 15%, zinc oxide 7%, cobalt carbonate 3%.

[0045] A method for preparing a cobalt carbonate high-temperature purple ceramic glaze, comprising the following steps: firstly preparing a cobalt carbonate high-temperature purple ceramic glaze, glazing and sintering to obtain a cobalt carbonate high-temperature purple ceramic glaze; wherein, the preparation of the cobalt carbonate high-temperature purple ceramic glaze Methods as below:

[0046] Step 1, preparation of cobalt carbonate high t...

Embodiment 3

[0051] A cobalt carbonate high-temperature purple ceramic glaze is prepared by first preparing a cobalt carbonate high-temperature purple ceramic glaze, and then glazing and high-temperature sintering to obtain a cobalt carbonate high-temperature purple ceramic glaze, wherein the cobalt carbonate high-temperature purple ceramic glaze contains raw materials and various The mass percentage of raw material is:

[0052] Nepheline syenite 33.2%, chalk powder 6.8%, silicon dioxide 16.5%, calcined kaolin 22%, dolomite 13.7%, zinc oxide 5.8%, cobalt carbonate 2%.

[0053] The cobalt carbonate high-temperature purple ceramic glaze also contains manganese dioxide, and the mass of manganese dioxide accounts for the total of (nepheline syenite+chalk powder+silica+calcined kaolin+dolomite+zinc oxide+cobalt carbonate) The mass percentage of mass is 2%.

[0054] The function of adding manganese dioxide to the cobalt carbonate high-temperature purple ceramic glaze is that it can promote the ...

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Abstract

The invention discloses a cobalt carbonate high-temperature purple ceramic glaze and a preparation method thereof and belongs to the field of ceramics. The cobalt carbonate high-temperature purple ceramic glaze is prepared by firstly preparing a cobalt carbonate high-temperature purple ceramic glaze material and by further performing glazing and high-temperature sintering. The cobalt carbonate high-temperature purple ceramic glaze material comprises the following raw materials in percentage by mass: 30-35% of nepheline syenite, 6-7% of chalk powder, 14.5-18.5% of silicon dioxide, 18-25% of calcined kaolin, 12-15% of dolomite, 4-7% of zinc oxide and 1-3% of cobalt carbonate. By adopting the method, the ceramic glaze has a color effect of light lavender purple and a surface smooth effect athigh temperature, and meanwhile physical and chemical property stability of the ceramic glaze is achieved. The formula of the glaze is adjusted and tested for multiple times for a long time, long-termtests at minus 30 DEG C show that no glaze cracking or dropping phenomenon is caused, and the glaze is resistant to common acid / alkali corrosion.

Description

technical field [0001] The invention relates to the technical field of ceramics, in particular to a cobalt carbonate high-temperature purple ceramic glaze and a preparation method thereof. Background technique [0002] Ceramic glaze is an important raw material that must be used in the production of ceramics. It has a strong protective effect on the ceramic body. At the same time, the physical properties of silicate make the glass enamel on the ceramic surface effectively resistant to acid and alkali corrosion. Very good antibacterial properties. Ordinary ceramic color glazes are achieved by adding metal colorants to the glass enamel to achieve color development during the firing process. Such glaze colors are often single in color and cannot highlight the artistic beauty of the ceramic color glaze itself and the high-temperature firing process. special artistic effects produced in Cobalt carbonate high-temperature purple ceramic glaze effectively overcomes the shortcoming...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C8/14C04B41/86
Inventor 沈海泳李菲
Owner 广东嘉联企业陶瓷有限公司
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