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Dark green transmutation glaze ceramic product and preparation method thereof

A technology for ceramic products and kiln changing glaze, applied in the field of dark green kiln changing glaze ceramic products and their preparation, can solve the problems of inconspicuous texture, uneven color, easy wear and tear of kiln changing glaze, etc., and achieves a clear and uniform texture effect, good dispersion, The effect of increasing the fullness of the paint

Inactive Publication Date: 2020-12-04
福建省春秋陶瓷实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this kind of copper-based kiln-changing glaze is prone to uneven color and inconspicuous texture. At the same time, the kiln-changing glaze is easy to wear and tear, and needs to be further improved.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A method for preparing the dark green kiln glaze ceramic product, comprising the following steps:

[0021] S1 glaze preparation: Weigh 64 parts of kaolin, 40 parts of glass powder, 6 parts of talc, 10 parts of quartz, 4 parts of calcium carbonate, 3 parts of iron oxide, 3 parts of copper oxide, 1 part of chrome green, 2 1 part of phosphorus, crushed for later use;

[0022] S2 Slurry preparation: Mix the above glazes, ball mill with the ratio of material: ball: water = 1:1.5:0.4, pass through a 200-mesh sieve, and the ball milling time is 30 minutes to obtain the slurry;

[0023] S3 Glazing: glaze the slurry obtained in step S2 on the ceramic body by dipping the glaze, controlling the thickness of the glaze layer to 0.5mm, and drying at 24°C;

[0024] S4 Firing: Put the dried green body into the kiln, raise the temperature to 400°C, keep it warm for 1.5h, then raise the temperature to 800°C, keep it warm for 2.5h, and finally put the green body in a room at 20°C Natura...

Embodiment 2

[0026] A method for preparing the dark green kiln glaze ceramic product, comprising the following steps:

[0027] S1 glaze preparation: weigh 68 parts of kaolin, 42 parts of glass powder, 7 parts of talc, 11 parts of quartz, 5 parts of calcium carbonate, 5 parts of iron oxide, 4 parts of copper oxide, 2 parts of chrome green, 1 part of phosphorus, crushed for later use;

[0028] S2 Slurry preparation: Mix the above glazes, ball mill with a ratio of material: ball: water = 1:1.8:0.6, pass through a 200-mesh sieve, and the ball milling time is 35 minutes to obtain a slurry;

[0029] S3 glazing: glazing the slurry obtained in step S2 on the ceramic body by dipping the glaze, controlling the thickness of the glaze layer to 0.6mm, and drying at a temperature of 27°C;

[0030] S4 Firing: Put the dried green body into the kiln, raise the temperature to 400°C, keep it warm for 1.5h, then raise the temperature to 900°C, keep it warm for 3.2h, and finally put the green body in a room a...

Embodiment 3

[0032] A method for preparing the dark green kiln glaze ceramic product, comprising the following steps:

[0033] S1 glaze preparation: Weigh 72 parts of kaolin, 45 parts of glass powder, 10 parts of talc, 12 parts of quartz, 9 parts of calcium carbonate, 5 parts of iron oxide, 8 parts of copper oxide, 3 parts of chrome green, 2 2 parts of phosphorus, crushed for later use;

[0034] S2 Slurry preparation: Mix the above glazes, ball mill with the ratio of material: ball: water = 1:2.1:0.8, pass through a 200-mesh sieve, and the ball milling time is 40 minutes to obtain the slurry;

[0035] S3 glazing: glazing the slurry obtained in step S2 on the ceramic body by dipping the glaze, controlling the thickness of the glaze layer to 0.8mm, and drying it at a temperature of 30°C;

[0036] S4 Firing: Put the dried body into the kiln, raise the temperature to 400°C, keep it warm for 1.5 hours, then raise the temperature to 1000°C, keep it warm for 4 hours, and finally put the green bo...

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Abstract

The invention relates to the technical field of ceramic preparation, and concretely relates to a dark green transmutation glaze ceramic product and a preparation method thereof. The dark green transmutation glaze ceramic product is prepared from, by weight, 64-72 parts of kaolin, 40-45 parts of glass powder, 6-10 parts of talc, 10-12 parts of quartz, 4-9 parts of calcium carbonate, 3-5 parts of ferric oxide, 3-8 parts of copper oxide, 1-3 parts of chrome green and 1-2 parts of phosphorus pentoxide. The preparation method comprises the following steps: S1, glaze preparation; S2, slurry preparation; S3, glazing; and S4, sintering. The ceramic product has the characteristics of bright color, uniform and clear texture, wear resistance and scratch resistance.

Description

technical field [0001] The invention relates to the technical field of ceramic preparation, in particular to a dark green kiln-changing glaze ceramic product and a preparation method thereof. Background technique [0002] The theory of kiln transformation originated from the earth kiln and dragon kiln period of ancient pottery making. At that time, due to the limitation of science and technology, it was impossible to predict and control the fired products, and unexpected decorative effects appeared after the kiln came out. Whether it is good or not, it is the magical effect of kiln transformation, and the situation of one kiln with one treasure also happens from time to time. In layman's terms, ceramics is a technology of mud glaze fire, and it is explained by the thermal engineering theory of modern science that it is caused by the change of firing system. The specific performance is that the firing atmosphere, pressure and temperature cannot be accurate and stable. Gener...

Claims

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Application Information

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IPC IPC(8): C03C8/00C04B41/86
CPCC03C8/00C04B41/5022C04B41/86
Inventor 徐昌毅
Owner 福建省春秋陶瓷实业有限公司
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