Preparation method of composite opaque glaze

A technology of compounding milk and glaze powder is applied in the field of building sanitary ceramic decoration, which can solve the problems of scarcity of resources, discoloration of glaze, high viscosity of opaque glaze at high temperature, etc., and achieves simple process, complete glaze and good opacity effect. Effect

Active Publication Date: 2013-10-02
美艺陶(福建)高新建材有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Tin oxide system opacity glaze has good opacification effect but is expensive and high cost; zircon system opacity glaze has high viscosity at high temperature, is easy to produce glaze but small, and its resources are becoming more and more scarce, and the price has risen sharply in recent years; Tita

Method used

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  • Preparation method of composite opaque glaze

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Embodiment 1

[0013] (1) According to weight percentage, 30% feldspar, 22.5% quartz, 10% wollastonite, 3%-8% zirconium silicate, 15% Suzhou soil, 6% calcined and 2.5% of , after weighing each material, mix and grind evenly, and sieve to obtain glaze powder, the fineness of the glaze powder is less than 2% after passing through the million-hole sieve;

[0014] (2) Mix and grind the glaze powder prepared in step (1) with water and a ball mill in a ratio of 1: (0.9-1): (0.6-0.8) to obtain a composite opacified glaze;

[0015] (3) Glaze the composite opacified glaze on the ceramic body by spraying glaze, the thickness of the glaze is 1mm, after the glazed body is dried, it is fired at 1150°C to 1250°C for 1 hour, and the furnace Ceramic products with high white opacity effect can be obtained after cooling.

[0016] In the above preparation method, the glaze powder, water, and ball mill are used in a ratio of 1: (0.9-1): (0.6-0.8) to make a composite opaque glaze, which is evenly applied on ...

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Abstract

The invention provides a preparation method of composite opaque glaze. The preparation method of the composite opaque glaze comprises the following steps of: (1) weighing the following materials in percentage by weight: 25 to 33 percent of feldspar, 17 to 25 percent of quartz, 6 to 15 percent of aedelforsite, 3 to 8 percent of zirconium silicate, 12 to 17 percent of Suzhou soil, 4 to 10 percent of calcined ZnO and 1 to 4 percent of CeO2, mixing and grinding the materials uniformly, and sieving to obtain glaze powder; and (2) uniformly mixing and grinding the glaze powder prepared in the step (1), water and ball-milling stones according to the ratio of 1:(0.9-1):(0.6-0.8) to prepare the composite opaque glaze. The composite opaque glaze is low in cost and has high whiteness, good opacifying effect and high brightness, the whole glaze surface is in good condition, and the composite opaque glaze can be prepared into various light glaze, wherein the composite opaque glaze is prepared from the glaze powder, the water and the ball-milling stones according to the ratio; and the diameter values of different ball-milling stones can correspondingly influence the grinding fineness of the materials. Glossy glaze surfaces with a high-whiteness opacifying effect can be respectively obtained by uniformly applying composite opaque glaze with the thickness of 0.3 to 1mm to the surface of a green body, drying and sintering at 1,150 and 1,250 DEG C for 1 hour.

Description

technical field [0001] The invention relates to the technical field of architectural sanitary ceramic decoration, in particular to a method for preparing a composite opacified glaze. Background technique [0002] With the improvement of living standards, people's demand for daily-use porcelain is getting higher and higher, but the contradiction between supply and demand is becoming increasingly prominent due to the fact that the production of high-grade daily-use porcelain requires less and less high-quality raw materials. Drastic cost reduction is the only way to go. Therefore, the production of high-grade daily-use porcelain using cheap raw materials is also the only way in the future. The pigment produced by inferior raw materials will reduce the whiteness of the body. Therefore, in order to improve the grade, it is necessary to develop an opaque glaze with a simple production process and strong hiding power. At present, opacifying glazes commonly used in architectural ...

Claims

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Application Information

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IPC IPC(8): C04B41/86
Inventor 欧金福
Owner 美艺陶(福建)高新建材有限公司
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