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Ceramic coating for pot and preparation method thereof

A technology of ceramic coating and ceramic slurry, which is applied in the direction of coating, metal material coating process, liquid chemical plating, etc., can solve the problems of polyvinyl alcohol not resistant to high temperature, health hazards, easy cracking, etc., to prevent Effects of cracking, increasing bonding strength, and improving brittleness

Active Publication Date: 2015-04-22
NINGBO XIERMEI KITCHENWARE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As disclosed in the Chinese invention patent application "A Zirconium-Aluminum Composite Ceramic Non-stick Pan and Its Preparation Process" (Application No.: 201310683686.4) with application publication number CN103724011A, its main components are zirconia powder, alumina powder, and yttrium oxide powder. And polyvinyl alcohol, etc., the ceramic non-stick pan has good toughness and corrosion resistance, but it uses polyvinyl alcohol as a binder, polyvinyl alcohol is not resistant to high temperatures, it will melt at 200 ° C, and is harmful to human body Potentially hazardous to health
Moreover, the traditional ceramic pot has the problem of easy cracking under high temperature

Method used

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  • Ceramic coating for pot and preparation method thereof
  • Ceramic coating for pot and preparation method thereof
  • Ceramic coating for pot and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] The pot ceramic coating of the present embodiment comprises the following components by weight:

[0030]

[0031] The preparation method of above-mentioned ceramic coating for pot comprises the following steps:

[0032] (1) Preparation of electroless Ni-P alloy coating steel fiber:

[0033] Place steel fibers with a diameter of 20 μm and a length of 10 mm in dilute HCl with a pH value of 5 and a temperature of 40 ° C for 10 minutes, and stir to remove impurities on the surface of the steel fibers, then rinse with water to remove impurities on the surface of the steel fibers. Acids and impurities;

[0034] Use the steel fiber as an anode to electrolytically remove the grease on the surface of the steel fiber, and then pickle it with dilute HCl with a pH value of 5. After pickling for 20 minutes, rinse the acid solution on the surface of the steel fiber with clean water;

[0035] The treated steel fibers are placed in an electroless plating solution, which includes n...

Embodiment 2

[0044] The pot ceramic coating of the present embodiment comprises the following components by weight:

[0045]

[0046] The preparation method of above-mentioned ceramic coating for pot comprises the following steps:

[0047] (1) Preparation of electroless Ni-P alloy coating steel fiber:

[0048] Place steel fibers with a diameter of 100 μm and a length of 5 mm in dilute HCl with a pH value of 5.1 and a temperature of 42°C for 20 minutes, and stir to remove impurities on the surface of the steel fibers, and then rinse with water to remove the impurities on the surface of the steel fibers. Acids and impurities;

[0049] The steel fiber is used as an anode to electrolytically remove the grease on the surface of the steel fiber by electrochemical method, and then pickled with dilute HCl with a pH value of 5.2. After pickling for 15 minutes, rinse the acid solution on the surface of the steel fiber with clean water;

[0050] The treated steel fibers are placed in an electrol...

Embodiment 3

[0059] The pot ceramic coating of the present embodiment comprises the following components by weight:

[0060]

[0061] The preparation method of above-mentioned ceramic coating for pot comprises the following steps:

[0062] (1) Preparation of electroless Ni-P alloy coating steel fiber:

[0063] Place steel fibers with a diameter of 40 μm and a length of 6 mm in dilute HCl with a pH value of 5.2 and a temperature of 45 ° C for 30 minutes, and stir to remove impurities on the surface of the steel fibers, and then rinse with water to remove impurities on the surface of the steel fibers. Acids and impurities;

[0064] Use the steel fiber as an anode to electrolytically remove the grease on the surface of the steel fiber, and then pickle it with dilute HCl with a pH value of 5.1. After pickling for 18 minutes, rinse the acid solution on the surface of the steel fiber with clean water;

[0065] The treated steel fibers are placed in an electroless plating solution, which inc...

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Abstract

The invention relates to a ceramic coating for a pot. The ceramic coating for the pot is characterized by comprising, by weight, 30-40 parts of zirconium oxide, 60-70 parts of aluminum oxide, 4-8 parts of cerium oxide, 1-5 parts of titanium boride, 1-5 parts of boron phosphate, 4-12 parts of steel fiber, 1-10 parts of hollow microspheres, 5-30 parts of aluminium dihydrogen phosphate and 5-15 parts of deionized water, wherein the surfaces of the steel fiber is provided with a Ni-P alloy cladding layer. The invention further relates to a preparation method of the ceramic coating. The aluminium dihydrogen phosphate has good suspension effect and good cohesiveness, is easily dispersed in the materials evenly, has good heat impact resistant performance and accordingly ensures that ceramic does not breaks after a pot body is repeatedly heated and cooled. The aluminium dihydrogen phosphate has good chemical stability and heat stability, so that the ceramic coating does not cause threat to the health of a human body. The hollow microspheres can remarkably improve the abrasion resisting performance of the ceramic coating, the ceramic coating is not easily damaged, and the service life of the ceramic pot is effectively prolonged.

Description

technical field [0001] The invention relates to the technical field of pots, in particular to a ceramic coating for pots and a preparation method thereof. Background technique [0002] For a long time, most of the household pots used by people are aluminum pots or iron pots. Generally, the metal sheet is blanked first, and then the metal sheet is molded into a pot body, and the outer surface of the pot body is coated with a high-temperature resistant coating. According to the use requirements of different types of pots, different types of functional materials are coated on the inner surface of the pot body to realize the use requirements of different types of pots. Among them, the heat distribution of the aluminum pan is better, but it is not easy to clean, and the oil fume is larger when the oil is used for a long time; It is easy to produce burnt paste, which increases the difficulty of cleaning the pot. [0003] At present, the common stew pans on the market are all non...

Claims

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Application Information

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IPC IPC(8): C23C24/00C23C18/36C04B35/76C04B35/10
CPCC04B35/119C04B35/62218C04B35/6309C04B35/74C04B2235/3229C04B2235/3813C23C18/36C23C24/00
Inventor 周国荣
Owner NINGBO XIERMEI KITCHENWARE
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