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High-hardness sterilization ceramic cold glaze and preparation method thereof

A high-hardness, ceramic technology, applied in the field of ceramics, can solve the problems of glaze layer compressive resistance, low flexural strength, reduced performance of ceramic products, and inability to effectively save energy, etc., to achieve good glaze adaptability, good mechanical Performance, smooth glaze effect

Inactive Publication Date: 2016-07-27
GUANGXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] We understand that the consequence of ultra-low temperature glazing technology is that the compressive and bending strength of the glaze layer is relatively low, which reduces the performance of ceramic products. Therefore, it is necessary to mechanically strengthen the glaze layer
However, neither the traditional high-temperature sintering technology nor the existing crystalline glaze technology can effectively save energy, reduce fuel consumption, and improve production efficiency

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A ceramic cold glaze with high hardness and sterilizable properties, the raw materials are composed according to the following ratios:

[0019] 5 parts of tetrabutyl titanate, 3 parts of tetraethyl orthosilicate, 2 parts of absolute ethanol, 1 part of metakaolin, 3 parts of alumina, 1 part of water glass solution, 0.5 parts of sodium hydroxide, 2 parts of water, silicon carbide 1 part fiber, 2 parts concentrated ammonia water.

[0020] The high sterilizable ceramic cold glaze of a kind of hardness comprises the following steps:

[0021] (1) Mix tetrabutyl titanate, silicon carbide fiber, ethyl orthosilicate and absolute ethanol, stir for 2 hours, then add concentrated ammonia water therein, and continue stirring for 3 hours to obtain a premix;

[0022] (2) Add metakaolin, aluminum oxide, water glass solution, sodium hydroxide, water successively to the premix, stir and mix for 3 hours to form a mixed slurry;

[0023] (4) Brush or spray the mixed slurry onto the cerami...

Embodiment 2

[0025] A ceramic cold glaze with high hardness and sterilizable properties, the raw materials are composed according to the following ratios:

[0026] 13 parts of tetrabutyl titanate, 12 parts of ethyl orthosilicate, 9 parts of absolute ethanol, 3 parts of metakaolin, 4 parts of alumina, 3 parts of water glass solution, 2.5 parts of sodium hydroxide, 9 parts of water, silicon carbide 4 parts of fiber, 5 parts of concentrated ammonia water.

[0027] The high sterilizable ceramic cold glaze of a kind of hardness comprises the following steps:

[0028] (1) Mix tetrabutyl titanate, silicon carbide fiber, ethyl orthosilicate and absolute ethanol, stir for 6 hours, then add concentrated ammonia water therein, and continue stirring for 4 hours to obtain a premixed solution;

[0029] (2) Add metakaolin, alumina, water glass solution, sodium hydroxide, water successively to the premix, stir and mix for 4 hours to form a mixed slurry;

[0030] (4) Brush or spray the mixed slurry onto ...

Embodiment 3

[0032] A ceramic cold glaze with high hardness and sterilizable properties, the raw materials are composed according to the following ratios:

[0033] 7 parts of tetrabutyl titanate, 6 parts of ethyl orthosilicate, 5 parts of absolute ethanol, 2 parts of metakaolin, 3 parts of alumina, 2 parts of water glass solution, 0.8 parts of sodium hydroxide, 6 parts of water, silicon carbide 3 parts of fiber, 4 parts of concentrated ammonia water.

[0034] The high sterilizable ceramic cold glaze of a kind of hardness comprises the following steps:

[0035] (1) Mix tetrabutyl titanate, silicon carbide fiber, ethyl orthosilicate and absolute ethanol, stir for 5 hours, then add concentrated ammonia water therein, and continue stirring for 4 hours to obtain a premix;

[0036] (2) Add metakaolin, alumina, water glass solution, sodium hydroxide, water successively to the premix, stir and mix for 4 hours to form a mixed slurry;

[0037] (4) Brush or spray the mixed slurry onto the ceramic b...

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Abstract

The invention discloses a high-hardness sterilization ceramic cold glaze which is prepared from the following raw materials in parts: 5-13 parts of tetrabutyl titanate, 3-12 parts of tetraethoxysilane, 2-9 parts of absolute ethyl alcohol, 1-3 parts of metakaolin, 3-4 parts of aluminum oxide, 1-3 parts of water glass solution, 0.5-2.5 parts of sodium hydroxide, 2-9 parts of water, 1-4 parts of silicon carbide fiber and 2-5 parts of stronger ammonia water. The cold glaze disclosed by the invention is applicable to the retouching of various ceramic bodies; after glazing, the gaze surface is smooth and has pale grey and clean color, the body does not deform, the glaze layer is crack-free, and the glaze body adaptability is perfect; and the product has good mechanical property, the compressive strength exceeds 25MPa, and the market needs are met. With titanium dioxide nanoparticles, the cold glaze disclosed by the invention has the functions of sterilization and the like under illumination; through 30-60min of natural illumination, the sterilization rate of escherichia coli and staphylococcus aureus is not less than 80%.

Description

technical field [0001] The invention relates to the field of ceramics, in particular to a high hardness and sterilizable ceramic cold glaze and a preparation method thereof. Background technique [0002] "Glaze" is a glossy glass-like thin layer covering the surface of the ceramic body, and its function is to improve the physical and chemical properties of the body surface. Generally, the surface of the ceramic body is loose, porous, rough and dull, easy to stain and absorb moisture, etc., which affect the mechanical properties of the product, and the use of glaze can overcome these shortcomings and improve the mechanical properties of the product, improve the hardness of the product, and increase its thermal stability. sex. Based on the role of glaze on ceramic products, the importance of glaze in the ceramic industry is constantly being highlighted and enhanced, which directly affects the quality and cost of ceramic products. [0003] The traditional glaze making technol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B41/86
CPCC04B41/5089C04B41/86C04B41/5074C04B41/4596
Inventor 张玉华
Owner GUANGXI UNIV
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