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Copper-red glaze and preparation method thereof

A technology of copper red glaze and red glaze, which is applied in the field of copper red glaze and its preparation, can solve the problems of difficulty in firing products with stable color and unsatisfactory color, and achieve high yield, good gloss, Effects of Unique Artistic Effects

Inactive Publication Date: 2017-01-25
崔松伟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, copper red glaze has very strict requirements on process conditions and atmosphere, and it is difficult to produce products with stable color.
In modern times, some people try to fire copper red glaze in an oxidizing atmosphere, but the color is not satisfactory.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A copper red glaze, which is composed of the following raw materials in parts by weight: 5 parts of kaolin, 18 parts of quartz, 10 parts of calcium phosphate, 15 parts of albite feldspar, 15 parts of potassium feldspar, 2 parts of talc, 1 part of copper oxalate, tin oxide 0.5 parts, 8 parts of calcite, 0.5 parts of zinc oxide, 10 parts of borax.

[0014] The preparation method of copper red glaze comprises the following steps:

[0015] (1) Use a ball mill with a rotating speed of 300r / min to wet ball mill the above-mentioned various raw materials for 25 minutes. The ratio of material, balls and water is 1:2:0.75, and then pass through a 250-mesh sieve. The iron remover with a magnetic field strength of 10,000 gauss removes iron 5 times to obtain a glaze slurry;

[0016] (2) The green body is bisque fired at 900°C and dried, and the glaze slurry in step (1) is applied to the dried green body to obtain a glazed green body with a glaze layer thickness of 1 mm;

[0017] (...

Embodiment 2

[0019] A copper red glaze, which is composed of the following raw materials in parts by weight: 8 parts of kaolin, 26 parts of quartz, 13 parts of calcium phosphate, 18 parts of albite, 19 parts of potassium feldspar, 8 parts of talc, 1 part of copper oxalate, tin oxide 0.8 parts, 13 parts of calcite, 0.9 parts of zinc oxide, 12 parts of borax.

[0020] The preparation method of described copper red glaze comprises the following steps:

[0021] (1) Use a ball mill with a rotating speed of 300r / min to wet ball mill the above-mentioned various raw materials for 30 minutes. The ratio of material, balls and water is 1:2:0.75, and then pass through a 250-mesh sieve. The iron remover with a magnetic field strength of 10,000 gauss removes iron 5 times to obtain a glaze slurry;

[0022] (2) The green body is bisque fired at 920°C and dried, and the glaze slurry in step (1) is applied to the dried green body to obtain a glazed green body with a glaze layer thickness of 1mm;

[0023] ...

Embodiment 3

[0025] A copper red glaze, which is composed of the following raw materials in parts by weight: 10 parts of kaolin, 35 parts of quartz, 16 parts of calcium phosphate, 22 parts of albite, 24 parts of potassium feldspar, 9 parts of talc, 2 parts of copper oxalate, tin oxide 1.5 parts, 16 parts of calcite, 1.5 parts of zinc oxide, 13 parts of borax.

[0026] The preparation method of copper red glaze comprises the following steps:

[0027] (1) Use a ball mill with a rotating speed of 300r / min to wet ball mill the above-mentioned various raw materials for 30 minutes. The ratio of material, balls and water is 1:2:0.75, and then pass through a 250-mesh sieve. The iron remover with a magnetic field strength of 10,000 gauss removes iron 5 times to obtain a glaze slurry;

[0028] (2) The body is bisque fired at 950°C and dried, and the glaze slurry in step (1) is applied to the dried body to obtain a glazed body with a thickness of 1.1 mm;

[0029] (3) Put the dried glazed body into ...

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Abstract

The invention relates to copper-red glaze and a preparation method thereof. The copper-red glaze comprises, by weight, 5-10 parts of kaolin, 18-35 parts of quartz, 10-16 parts of calcium phosphate, 15-22 parts of albite, 15-24 parts of potassium feldspar, 2-9 parts of talcum, 1-2 parts of cupric oxalate, 0.5-1.5 parts of tin oxide, 8-16 parts of calcite, 0.5-1.5 parts of zinc oxide and 10-13 parts of borax. The copper-red glaze has the advantages that the glaze is even in color and good in glossiness, and porcelain processed by the copper-red glaze is even in color and thick in glaze, has an unique artistic effect, gives an impression of depth, steadiness, dignity and elegance to people, has a bright red color and is even in glaze color distribution and high in yield.

Description

technical field [0001] The invention relates to the technical field, in particular to a copper red glaze and a preparation method thereof. Background technique [0002] With the continuous development and changes of the times, people continue to show their pursuit of aesthetics and art. The color glaze fully displays the combination of earth and fire art, so it is more and more popular among people. High-temperature copper-red glaze is one of the famous colored glazes in ancient my country. It is famous for its crystal clearness and uniform moisture. In addition, it has good stability and high collection value, which makes it a dazzling pearl in the history of ceramic arts and crafts in the world. The firing history of copper red glaze can be traced back to the Tang Dynasty. Red glaze wares appeared in the famous Changsha kiln at that time, but this was only an accidental production and did not become a common decoration; Copper red was used extensively for decoration. In...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C8/14C04B41/86
CPCC03C8/14C04B41/5022C04B41/86C04B41/4535
Inventor 崔松伟
Owner 崔松伟
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