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Antifouling and antibacterial ceramic glaze and preparation method thereof

An antibacterial ceramic and glaze technology, applied in the field of ceramic glaze, can solve the problems of ceramic surface pollution, difficult to remove, affecting cleaning and aesthetics, etc., and achieve the effects of low production cost, continuous antibacterial, and good stain resistance.

Active Publication Date: 2022-03-08
潮州市华利达陶瓷制作有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Pollutants are basically composed of soluble colored inorganic or organic substances in water, usually acidic or alkaline, such as sewage, tea, dust, ink and organic oil in daily life, which make the surface of ceramics polluted and difficult to remove, affecting clean and nice

Method used

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  • Antifouling and antibacterial ceramic glaze and preparation method thereof

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preparation example Construction

[0052] The preparation method of described antifouling and antibacterial ceramic glaze comprises the steps:

[0053] Step 1. Take calcium oxide, calcium carbonate, and aluminum hydroxide according to parts by weight, and fully mix them in a mixer:

[0054] Step 2. Put the phosphoric acid aqueous solution in a water bath at 55°C. When the temperature rises above 50°C, start stirring at a constant speed of 80r / min. Slowly add the uniformly mixed powder in step 1 to the phosphoric acid aqueous solution, and keep stirring at a constant speed while feeding. ;

[0055] Step 3. After adding the materials, continue to stir for 30 minutes, then naturally cool to 25-35 ° C, put it into a ball mill, add an aqueous solution of yttrium nitrate to the ball mill, and ball mill to obtain the first mixture;

[0056] Step 4, adding the first mixture, basic glaze slurry, antibacterial agent, dispersant and nano-zinc oxide into the ball mill for rapid ball milling for 20 minutes, and passing the...

Embodiment 1

[0060] The antifouling and antibacterial ceramic glaze is made of the following raw materials in parts by weight: 50 parts of basic glaze slurry, 7 parts of calcium oxide, 3 parts of calcium carbonate, 4 parts of aluminum hydroxide, 4 parts of antibacterial agent, 5 parts of nano-zinc oxide, six 2 parts of sodium metaphosphate, 8 parts of 35% phosphoric acid aqueous solution, 2 parts of 6% yttrium nitrate aqueous solution;

[0061] The preparation method of described antifouling and antibacterial ceramic glaze comprises the steps:

[0062] Step 1. Take calcium oxide, calcium carbonate, and aluminum hydroxide according to parts by weight, and fully mix them in a mixer:

[0063] Step 2. Put the phosphoric acid aqueous solution in a water bath at 55°C. When the temperature rises above 50°C, start stirring at a constant speed of 80r / min. Slowly add the uniformly mixed powder in step 1 to the phosphoric acid aqueous solution, and keep stirring at a constant speed while feeding. ; ...

Embodiment 2

[0068] The antifouling and antibacterial ceramic glaze is made of the following raw materials in parts by weight: 55 parts of basic glaze slurry, 8 parts of calcium oxide, 4 parts of calcium carbonate, 5 parts of aluminum hydroxide, 4.5 parts of antibacterial agent, 6 parts of nano-zinc oxide, six 2.5 parts of sodium metaphosphate, 9 parts of 38% phosphoric acid aqueous solution, 2.5 parts of 7% yttrium nitrate aqueous solution;

[0069] The preparation method of described antifouling and antibacterial ceramic glaze comprises the steps:

[0070] Step 1. Take calcium oxide, calcium carbonate, and aluminum hydroxide according to parts by weight, and fully mix them in a mixer:

[0071] Step 2. Put the phosphoric acid aqueous solution in a water bath at 55°C. When the temperature rises above 50°C, start stirring at a constant speed of 80r / min. Slowly add the uniformly mixed powder in step 1 to the phosphoric acid aqueous solution, and keep stirring at a constant speed while feedin...

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Abstract

The invention discloses an antifouling and antibacterial ceramic glaze, which is made of the following raw materials in parts by weight: 50-60 parts of basic glaze slurry, 7-9 parts of calcium oxide, 3-5 parts of calcium carbonate, and 4-6 parts of aluminum hydroxide 5 parts, 4-5 parts of antibacterial agent, 5-7 parts of nano-zinc oxide, 2-3 parts of sodium hexametaphosphate, 8-10 parts of phosphoric acid aqueous solution, 2-3 parts of yttrium nitrate aqueous solution; Preparation method of antibacterial ceramic glaze. In the present invention, an antibacterial agent is added to the basic glaze, and the antibacterial agent can be evenly distributed in the glaze, and the fired ceramics can continuously and slowly release silver ions in water to achieve a continuous antibacterial effect; Phosphoric acid aqueous solution and yttrium nitrate aqueous solution are used, so that the ceramics fired by the glaze have good hydrophobicity, and the dirt cannot be firmly adhered to the surface of the coating. When water droplets flow through the surface, the dirt can be washed away to achieve antifouling. effect; and the preparation process is simple, the conditions are easy to control, and the production cost is low.

Description

technical field [0001] The invention belongs to the technical field of ceramic glazes, and in particular relates to an antifouling and antibacterial ceramic glaze and a preparation method thereof. Background technique [0002] Ceramics are various products made of natural clay and various natural minerals as the main raw materials through crushing, kneading, molding and calcination. Ceramic art has always occupied a relatively important position in various art cultures. As for ceramic art, the glaze is a key part. Generally speaking, the so-called ceramic glaze is a thin uniform glassy layer covering the surface of the ceramic body. For ceramic products, ceramic glazes can improve performance and play a decorative role. Since the microstructure of ceramic materials is composed of crystal phase, glass phase and pores, the final product has a porosity of 5% to 10% (volume). At the same time, the surface of ceramic materials has a certain lipophilicity. When pollutants come ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C8/00C04B41/86
CPCC03C8/00C04B41/86C04B41/5022C03C2204/02C04B41/4539C04B41/0072
Inventor 不公告发明人
Owner 潮州市华利达陶瓷制作有限公司
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