Raw material matting glaze

A matte glaze and raw material technology, applied in the field of ceramic glazes, to achieve the effect of fine glaze, wide firing range, and solve the problems of gloss and texture

Inactive Publication Date: 2010-12-22
张垠
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The research on raw material matte glaze has not been involved, especially the research on high-grade daily-use bone china raw material glaze is still blank

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The raw matte glaze described in Example 1 is prepared from the following raw materials by weight percentage:

[0029] Feldspar 64.0%, alumina 4.5%, zinc oxide 8.0%, limestone 14.0%, calcined talc 1.5%, titanium dioxide 1.0%, zirconium silicate 1.5%, barium carbonate 1.5%, and Suzhou soil 4.0%.

[0030] Firstly, various raw materials are weighed according to the above-mentioned ratio; secondly, they are added into a ball mill at the ratio of batch material: ball stone: water=1:2:1, and then 0.05% of the dispersant CMC is added to make a glaze slurry. The size of the glaze slurry is controlled to be less than 10 μm. The particles with a particle size of 80 to 87% are made into a slurry that is aged for 48 hours for use.

[0031] The prepared glaze slurry is applied to the unfired bone china greenware and fired at a temperature of 1120-1150°C to obtain a high-quality matte bone china product. The porcelain surface of the product is as polished as wax, and it has a smooth, delic...

Embodiment 2

[0033] The raw matte glaze described in Example 2 is prepared from the following raw materials by weight percentage:

[0034] Feldspar 64.5%, alumina 4.0%, zinc oxide 9.0%, limestone 14.0%, calcined talc 1.0%, titanium dioxide 1.0%, zirconium silicate 1.0%, barium carbonate 1.0%, and Suzhou soil 4.5%.

[0035] Firstly, various raw materials are weighed according to the above-mentioned ratio; secondly, they are added into a ball mill at the ratio of batch material: ball stone: water=1:2:1, and then 0.05% of the dispersant CMC is added to make a glaze slurry. The size of the glaze slurry is controlled to be less than 10 μm. The particles with a particle size of 80 to 87% are made into a slurry that is aged for 48 hours for use.

[0036] The prepared glaze slurry is applied to the unfired bone china greenware and fired at a temperature of 1130-1170°C to obtain a high-quality matte bone china product. The porcelain surface of the product is as polished as wax, and it has a smooth, delic...

Embodiment 3

[0038] The raw material matte glaze described in Example 3 is prepared from the following raw materials by weight percentage:

[0039] Feldspar 65.0%, alumina 4.0%, zinc oxide 10.0%, limestone 13.5%, calcined talc 1.0%, titanium dioxide 0.5%, zirconium silicate 0.5%, barium carbonate 0.5%, Suzhou soil 5.0%.

[0040] Firstly, various raw materials are weighed according to the above-mentioned ratio; secondly, they are added into a ball mill at the ratio of batch material: ball stone: water=1:2:1, and then 0.05% of the dispersant CMC is added to make a glaze slurry. The size of the glaze slurry is controlled to be less than 10 μm. The particles with a particle size of 80 to 87% are made into a slurry that is aged for 48 hours for use.

[0041] The prepared glaze slurry is applied to the unfired bone china greenware and fired at a temperature of 1140-1180°C to obtain a high-quality matte bone china product. The porcelain surface of the product is as polished as wax, and it has a smooth,...

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Abstract

The invention relates to ceramic glaze, in particular to raw material matting glaze used for producing high-quality matting bone china products. The raw material matting glaze comprises the following chemical components in percent by weight: 48-60 percent of SiO2, 12.0-22.0 percent of Al2O3, 5.0-12.0 percent of ZnO, 5-12 percent of CaO, 0.5-2.0 percent of MgO, 0.0-3 percent of BaO, 0.0-3.0 percent of ZrO2, 0.0-2.0 percent of TiO2 and 5.0-15.0 percent of K2O and Na2O. The feldspar of the mineral raw material is mainly introduced. The invention has simple, scientific and reasonable constituent and is the raw material glaze; and the glaze does not need to be made into frits, therefore, energy sources are largely saved; the blank glaze has good adaptability, low firing temperature and wide firing range; the fired finished-product ceramic glaze surface is fine, moist, smooth and soft and does not have strong reflect light; and the glaze surface has strong corrosion resistance, high mechanical strength and good thermal shock stability and is easy to clean, therefore, the glaze is especially suitable for tableware dish-washing machines. The invention thoroughly solves the problems of the gloss and the texture of high-grade bone china.

Description

Technical field [0001] The invention relates to a ceramic glaze, in particular to a lead-free raw matte glaze for producing high-grade matte bone china products. technical background [0002] The ceramic glaze is obtained through various changes in physical-chemical reactions by the action of fire. It is a glassy substance formed by complex physical and chemical reactions of various mineral raw materials and inorganic chemical materials under high temperature conditions. Glaze is a silicate, orthosilicate SiO 2 H 2 O or H 2 SiO 3 The combination of divalent acid and alkali metal or alkaline earth metal produces a transparent glassy glaze layer with beautiful luster, and the combination with aluminum in the metal can obtain beautiful luster [Non-Patent Reference 1]. Bone China is a high-end porcelain species recognized worldwide. For a long time, high-gloss transparent frit glaze has been used in the production of bone china glaze. [0003] Matte glaze is a micro-crystalline glaze...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B41/86
Inventor 张垠
Owner 张垠
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