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Medium-temperature matte glaze and preparation method thereof

A matte glaze and medium temperature technology, applied in the field of ceramic glazes, can solve the problems of strict product quality assurance, unsuitable for large-scale production, complex process requirements, etc., and achieve good ornamental, smooth touch, and strong artistry. Effect

Inactive Publication Date: 2018-05-29
HUNAN HUALIAN CHINA IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In general, matt kiln variable glaze products are very artistic, highly ornamental, and highly valued, and are deeply loved by consumers. However, the product has poor reproducibility and complex process requirements, especially for the firing system and fine glaze. Degree, thickness of glaze layer and even green body are very strict
Matte kiln color-changing glaze daily-use porcelain products are mainly not suitable for large-scale production, and the product quality assurance requirements are strict

Method used

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  • Medium-temperature matte glaze and preparation method thereof
  • Medium-temperature matte glaze and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0053] Get 20 parts in parts by weight of potassium feldspar powder, 5 parts in quartz powder, 22 parts in calcite powder, 25 parts in calcined talcum powder, 7 parts in calcined zinc oxide, 5 parts in calcined bone charcoal powder, 10 parts in calcined alumina, 2 parts in high territory, Add 4 parts of cobalt black to the ball mill for ball milling, and then add water to the ball mill. The mass ratio of raw materials: balls: water is 1:2:0.6. Among the high alumina balls, the large balls, medium balls, and small balls are divided into 2: The mass ratio of 5:3 is added to the ball mill, and the ball milling time is 24 hours. The fineness of the glaze obtained after ball milling is controlled at 0.1-0.2% of the 325 mesh sieve. After the glaze leaves the ball mill, pass through a 120-mesh sieve to obtain a glaze slurry, then measure the concentration of the glaze slurry, determine the required concentration of the glaze slurry according to different types of vessels, add water to...

Embodiment 2

[0055] Get 25 parts in parts by weight of potassium feldspar powder, 10 parts in quartz powder, 18 parts in calcite powder, 20 parts in calcined talcum powder, 5 parts in calcined zinc oxide, 5 parts in calcined bone charcoal powder, 10 parts in calcined alumina, 5 parts in high territory, Add 2 parts of red brown to the ball mill for ball milling, and then add water to the ball mill. The mass ratio of raw materials: balls: water is 1:2:0.6. Among the high alumina balls, the large balls, medium balls, and small balls are divided into 2: The mass ratio of 5:3 is added to the ball mill, and the ball milling time is 24 hours. The fineness of the glaze obtained after ball milling is controlled at 0.1-0.2% of the 325 mesh sieve. After the glaze leaves the ball mill, pass through a 120-mesh sieve to obtain the glaze slurry, then measure the concentration of the glaze slurry, determine the required concentration of the glaze slurry according to different types of vessels, add water to...

Embodiment 3

[0057] Get 30 parts in parts by weight of potassium feldspar powder, 7 parts in quartz powder, 18 parts in calcite powder, 25 parts in calcined talcum powder, 7 parts in calcined zinc oxide, 3 parts in calcined bone charcoal powder, 7 parts in calcined alumina, 2 parts in high territory, Add 1 part of malachite green to the ball mill for ball milling, and then add water to the ball mill. The mass ratio of raw materials: balls: water is 1:2:0.6. Among the high alumina balls, the large balls, medium balls, and small balls are divided into 2: The mass ratio of 5:3 is added to the ball mill, and the ball milling time is 24 hours. The fineness of the glaze obtained after ball milling is controlled at 0.1-0.2% of the 325 mesh sieve. After the glaze comes out of the ball mill, pass through a 120-mesh sieve to obtain the glaze slurry, then measure the concentration of the glaze slurry, determine the required concentration of the glaze slurry according to different types of utensils, ad...

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Abstract

The invention discloses medium-temperature matte glaze. The medium-temperature matte glaze is prepared from the following components: potassium feldspar powder, quartz powder, calcite powder, calcinedtalc powder, calcined zinc oxide, calcined bone carbon powder, calcined alumina, kaolin and a colorant. A preparation method of the medium-temperature matte glaze comprises the following steps: materials are prepared in accordance with the components in parts by mass, wet ball milling is preformed, and glaze is obtained; the glaze is treated by a 120-mesh sieve after being discharged from a ballmill, glaze slurry is obtained, and water and an electrolyte are added to adjust the concentration and thixotropy of the glaze slurry respectively; a glaze body is immersed in the glaze slurry and dried and enters a roller kiln to be sintered. According to the medium-temperature matte glaze, dense pyroxene crystals are prepared from the raw materials under the condition of medium temperature to generate matt; besides, phosphorus pentoxide introduced by adding the bone carbon powder can form a silicate glass phase and a phosphate glass phase with silicon dioxide and metal oxide, the two phasesare not soluble mutually and have different dissolving capacities to the colorant, color differences are produced, and ceramic products of various colors can be obtained.

Description

technical field [0001] The invention belongs to the technical field of ceramic glazes, and in particular relates to a medium-temperature matte glaze and a preparation method thereof. Background technique [0002] At present, the domestically produced 1250-1280°C medium-temperature kiln color-changing glaze products are mainly bright glazed surfaces. In some occasions, the gloss of the glazed surface is high, which cannot meet people's requirements, such as glazed tiles used in some buildings. We do not want it to reflect strong light, so as to create a quiet, soft and comfortable environment, while maintaining the excellent performance of glaze in other aspects, so matte glaze appeared. Matte glaze refers to a glaze that has a mercerized or jade-like luster without strong reflection of light. Its thermal stability and glaze hardness are better than ordinary transparent glazes. The matte glaze is mainly ordinary color glaze, and the color-changing glaze products of matt kiln...

Claims

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Application Information

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IPC IPC(8): C04B41/86C03C8/00
CPCC03C8/00C04B41/5022C04B41/86C04B41/4535
Inventor 彭宏徐亮
Owner HUNAN HUALIAN CHINA IND
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