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Intermediate glaze used for ceramic

A ceramic and range technology, applied in the field of ceramic glaze, can solve the problems of high defective product rate, poor melting performance, difficult to combine, etc., and achieve the effect of no accumulation of glaze, smooth glaze surface and high yield rate

Inactive Publication Date: 2019-02-01
宜兴市金鱼陶瓷有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the make-up clay itself is also a mud material with poor melting performance. It cannot completely cover many flaws on the green body, and is easy to crack, peel off, and difficult to combine with glaze, etc., which can easily lead to an increase in the defective product rate of the product.

Method used

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  • Intermediate glaze used for ceramic

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] SiO 2 : 51.0, Al 2 o 3 : 7.8, K 2 O: 5.5, Na 2 O: 1.9, CaO: 10.4, MgO: 1.8, P 2 o 5 : 0.9, B 2 o 3 : 1.4, ZnO: 9.0, ZrO 2 : 9.5.

Embodiment 2

[0026] SiO 2 : 51.5, Al 2 o 3 : 8.0, K 2 O: 5.7, Na 2 O: 2.0, CaO: 10.6, MgO: 2.0, P 2 o 5 : 1.1, B 2 o 3 : 1.5, ZnO: 9.1, ZrO 2 : 9.7.

[0027] In order to better highlight the beneficial effects of the present invention, two different intermediate glazes are purchased on the market at will, and applied to the ceramic surface respectively. After testing and comparing, the superior effect of the present invention is shown.

[0028] Select two different intermediate glazes from Example 1 and Example 2 respectively and apply them on the ceramic surface, and in the application process, ensure that the concentration of the intermediate glaze reaches 68°~72°Be during glazing, and when glazing, its calcining temperature The temperature range is from 1120°C to 1150°C; and two kinds of intermediate glazes on the market are randomly selected, and the glaze is applied to the surface of the ceramic according to the existing processing method on the market, and then the ceramic pot...

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Abstract

The invention provides an intermediate glaze used for ceramic. The concentration of the intermediate glaze used for ceramic in glazing reaches 68 to 72 DEG Be, the sintering temperature ranges from 1120 to 1150 DEG C in glazing, and the intermediate glaze used for ceramic comprises 51.0 to 51.5 parts of SiO2, 7.8 to 8.0 parts of Al2O3, 5.5 TO 5.7 parts of K2O, 1.9 to 2.0 parts of Na2O, 10.4 to 10.6 parts of CaO, 1.8 to 2.0 parts of MgO, 0.9 to 1.1 parts of P2O5, 1.4 TO 1.5 parts of B2O3, 9.0 to 9.1 parts of ZnO, and 9.5 to 9.7 parts of ZrO2. After sintering of the intermediate glaze, obtainedglaze surfaces are smooth, and are soft in visual effect, no glaze accumulation, sagging, or glaze hanging is caused, and no fine pore is formed.

Description

technical field [0001] The invention mainly relates to the technical field of ceramic glazes, in particular to an intermediate glaze for ceramics. Background technique [0002] Glaze is a kind of silicate. The glaze applied on ceramics is generally made of quartz, feldspar, and clay. After grinding and adding water, it is coated on the surface of the green body and melted by roasting at a certain temperature. The temperature drops When, a glassy thin layer on the ceramic surface is formed. It makes ceramics increase mechanical strength, thermal stability, dielectric strength and prevent liquid and gas erosion. Glaze also has the functions of increasing the appearance of porcelain, making it easy to wash and wipe, and preventing it from being stained by dust. In the existing ceramic production, there are many defects after firing the medium-temperature glaze on the ordinary body, such as the hole in the body, the glaze surface is not smooth, the glaze pinhole, the color is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C8/00C04B41/86
CPCC03C8/00C04B41/5022C04B41/86C04B41/0072
Inventor 马协初王剑鹏
Owner 宜兴市金鱼陶瓷有限公司
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