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Manufacturing method of nano ceramic coating with super long service life for water boiling

A technology of nano-ceramic and production method, applied in the direction of coating, can solve the problems of color fading, adverse reactions of the human body, whitening and discoloration of the coating, etc., and achieve the effect of safety and environmental protection in the production process and simple and reasonable production method.

Inactive Publication Date: 2018-07-24
清远市伟畅达化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The ceramic coating produced by the traditional method will be destroyed after 200 hours of continuous boiling water, and the coating will appear whitish, discolored, and faded. If the quality of the machine is still intact, it will be scrapped ahead of time. At the same time, the damaged coating will penetrate into the food after it comes into contact with food during cooking, causing adverse reactions to the human body.

Method used

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Experimental program
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Embodiment Construction

[0007] The manufacture method of the ultra-long nano-ceramic coating with boiling water life, the steps are as follows: A. take each raw material by the following percentages: silicon dioxide 40%, methyltrimethoxysilane 20%, isopropanol 12%, copper chromium Black 14%, silicon powder 7%, silicon carbide 2%, silicone oil 2%, aluminum oxide 2%, titanium dioxide 1%; B. isopropanol, copper chromium black, silicon powder, silicon carbide, aluminum oxide, titanium dioxide, silicone oil Put them all into the grinding machine and grind them at high speed for 4 hours; C. mix and mature silicon dioxide and methyltrimethoxysilane for 24 hours, and then mix them with the raw materials obtained in step B; D. use the liquid obtained in step C with air The method of spraying is applied to the surface of the sanded workpiece, the film thickness should be controlled above 30μm, and it is completed after baking at 280°C for 10 minutes. This production method is relatively simple and reasonable, ...

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PUM

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Abstract

The invention discloses a manufacturing method of a nano ceramic coating with a super long service life for water boiling. The manufacturing method comprises following steps: step A, weighing following raw materials in percentage by weight: 40% of silicon dioxide, 20% of methyl trimethoxysilane, 12% of isopropanol, 14% of copper chromite black, 7% of silica micro powder, 2% of silicon carbide, 2%of silicone oil, 2% of alumina, and 1% of titanium dioxide; step B, adding isopropanol, copper chromite black, silica micro powder, silicon carbide, alumina, titanium dioxide, and silicone oil into agrinding machine, and grinding the raw materials for 4 hours at a high speed; step C, mixing silicon dioxide and methyl trimethoxysilane, carrying out aging for 24 hours, and mixing the mixture with the raw materials obtained in the step B; and step D, painting the liquid obtained in the step C on the surface of a workpiece, which has been subjected to a sanding treatment, in an air spraying mode,wherein the coating thickness should be 30 [mu]m or more than 30 [mu]m, and finally baking the coating for 10 minutes at a temperature of 280 DEG C. The steps are simple, the manufacturing is convenient, and the manufactured coating is resistant to blushing, fading and paint shedding.

Description

technical field [0001] The invention relates to a method for making a nano-ceramic coating with a super-long boiling life. Background technique [0002] Ceramic coatings are widely used on tableware such as electric rice cookers and frying pans. Ceramic coatings can have many functions such as anti-rust, anti-sticking, and prolonging the service life of tableware. The ceramic coating produced by the traditional method will be destroyed after 200 hours of continuous boiling water, and the coating will appear whitish, discolored, and faded. When the quality of the machine is still intact, it will be scrapped ahead of time. At the same time, the damaged coating will penetrate into the food after it comes into contact with the food during the cooking process, causing adverse reactions to the human body. Contents of the invention [0003] In order to overcome the deficiencies of the prior art, the invention provides a method for manufacturing a nano-ceramic coating that has si...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D7/61C09D7/63
Inventor 廖成伟
Owner 清远市伟畅达化工有限公司