Pot with composite non-stick layer
By spraying the composite non-stick layer of inorganic ceramic material and organic material on the inner surface of the pot body, the problem of poor non-stick effect of the existing non-stick pan is solved, and better non-stick performance and pot body protection are achieved.
Patent Information
- Application Number
- CN202411738188.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-03-04
AI Technical Summary
The non-stick effect of existing non-stick pans is poor, especially the ceramic coating has poor non-stick properties due to the high surface energy of the material.
A composite non-stick layer of inorganic ceramic material and organic material is sprayed on the inner surface of the pot body through plasma spraying process. The volume ratio of inorganic ceramic material to organic material is set to be 7:3, and the particle size is 10 μm-50 μm and 5 μm-20 μm respectively to form a non-stick layer with a porosity of 5%-10%.
It significantly improves the non-stick effect, the pores are evenly distributed, and grease can be stored in the pores, achieving better non-stick performance. At the same time, the micro-arc oxide layer on the inner surface of the pot provides additional protection.
Smart Images
Figure CN119548030A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to a non-stick pan. Background Art
[0002] Metal cookware itself does not have non-stick properties, and it is necessary to add an anti-stick coating to optimize the use experience of the cookware. Currently, the non-stick coatings commonly used in cookware are divided into three categories: fluorine-containing materials, silicone resins, and ceramic materials.
[0003] Fluorine-containing coatings are not wear-resistant and cannot adapt to environments such as shovels and steel wool; the non-stick effect of silicone resins will decay rapidly during use and has poor high-temperature resistance; ceramic coatings have poor non-stick properties due to the high surface energy of the material. In comparison, non-toxic, harmless and stable ceramic coatings are more popular.
[0004] Ceramic coating is a protective layer formed by coating a single or multiple inorganic materials on the surface of a substrate. Ceramic materials have excellent wear resistance, corrosion resistance, high temperature resistance and other properties. They can protect the base material of cookware and extend its service life. Ceramic coatings have stable performance and chemical properties, do not decompose when heated, and do not release harmful substances. Therefore, ceramic coatings are excellent protective coatings for cookware.
[0005] Ceramics are inorganic oxides with high surface energy. Although they can provide certain non-stick properties by constructing a rough and porous structure, they are currently unable to achieve an ideal non-stick effect as cookware for daily use. Summary of the invention
[0006] In order to overcome the above-mentioned shortcomings of the existing non-stick pans, the present invention provides a pan with a composite non-stick layer having a better non-stick effect.
[0007] The technical solution of the present invention to solve the technical problem is: a cookware with a composite non-stick layer, comprising a cooker body, the inner surface of the cooker body having a non-stick layer, and the non-stick layer comprising an inorganic material and an organic material.
[0008] Furthermore, the inorganic material is an inorganic ceramic material, and the organic material is polyphenyl p-hydroxybenzoate powder and / or polysiloxane powder.
[0009] Furthermore, the inorganic ceramic material is titanium oxide powder, or aluminum oxide powder, or silicon oxide powder, or zirconium oxide powder, or titanium nitride powder, or silicon carbide powder, or any combination of the above inorganic ceramic materials.
[0010] Furthermore, the inorganic ceramic material and the organic material are sprayed onto the inner surface of the pot body by a plasma spraying process.
[0011] Furthermore, the particle size of the inorganic ceramic material is 10 μm-50 μm, and the particle size of the organic material is 5 μm-20 μm; During plasma spraying, the inorganic ceramic material and the organic material are uniformly mixed in a volume ratio of 7:3, and the mixed material of the inorganic ceramic material and the organic material is plasma sprayed on the inner surface of the pot body. The plasma spraying process parameters are voltage 60V, current 260A, powder feeding speed 50L / min, and the porosity of the obtained non-stick layer is 5%-10%.
[0012] Furthermore, the pot body is a magnesium alloy pot body.
[0013] Furthermore, a micro-arc oxidation layer is provided on the inner surface of the pot body, and the non-stick layer is provided on the micro-arc oxidation layer.
[0014] The beneficial effect of the present invention is that the composite material of inorganic material and organic material is used as the non-stick layer, and the non-stick effect is better. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the present invention. DETAILED DESCRIPTION
[0016] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0017] Reference Figure 1 A cookware with a composite non-stick layer comprises a cookware body, the inner surface of the cookware body has a non-stick layer, and the non-stick layer comprises an inorganic material and an organic material.
[0018] The inorganic material is an inorganic ceramic material, and the inorganic ceramic material can be selected from inorganic ceramic powders commonly used in the prior art, such as titanium oxide powder, aluminum oxide powder, silicon oxide powder, zirconium oxide powder, titanium nitride powder, silicon carbide powder, or any combination of the above inorganic ceramic powders. If it is a combination of the above inorganic ceramic powders, since each component is sprayed onto the inner surface of the cookware as a ceramic non-stick material, the ratio between the components is not set and can be any ratio.
[0019] The organic material is polyphenyl parahydroxybenzoate powder, or polysiloxane powder, or a combination of polyphenyl parahydroxybenzoate powder and polysiloxane powder. If it is a combination of polyphenyl parahydroxybenzoate powder and polysiloxane powder, since each component is sprayed onto the inner surface of the cookware as an organic non-stick material, the ratio between the components is not set and can be any ratio.
[0020] The inorganic ceramic powder and organic material powder are sprayed onto the inner surface of the pot body by plasma spraying process: The particle size of the inorganic ceramic material is selected to be between 10 μm and 50 μm, and the particle size of the organic material is selected to be between 5 μm and 20 μm; During plasma spraying, the inorganic ceramic material and the organic material are uniformly mixed in a volume ratio of 7:3, and the mixed material of the inorganic ceramic material and the organic material is plasma sprayed on the inner surface of the pot body. The plasma spraying process parameters are voltage 60V, current 260A, and powder feeding speed 50L / min.
[0021] The applicant has found that the porosity of the coating can be adjusted by controlling the voltage, current and powder feeding speed of plasma spraying. High-power spraying can produce a dense coating to achieve a coating with high adhesion and high wear resistance; reducing the power and weakening the melting state of the powder will make the coating contain a certain void structure, thus achieving a porous and rough coating structure.
[0022] In this application, the voltage of plasma spraying is 60V, the current is 260A, and the powder feeding speed is 50L / min. The particle size of the inorganic ceramic material is selected to be between 10μm-50μm, and the particle size of the organic material is selected to be between 5μm-20μm. In addition, some organic materials are volatilized and released during the spraying process, resulting in an increase in voids. Under the superposition of these factors, the non-stick layer formed by plasma spraying in this application can reach a porosity of 5%-10%, and the pores are evenly distributed. When cooking, grease can be stored in the pores, which can achieve a good non-stick effect. In particular, some organic materials are volatilized and released during the spraying process, and some pores can form a through-hole structure that penetrates the non-stick layer, which does not enhance the non-stick effect.
[0023] In one embodiment, the pot body is a magnesium alloy pot body. Magnesium alloy material is light and can improve the disadvantage of being too heavy. However, magnesium alloy material is relatively active in nature, so a layer of micro-arc oxidation layer must be firstly provided on the surface of the pot body to protect the pot body, and the non-stick layer is provided on the micro-arc oxidation layer.
[0024] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.
[0025] The above is an explanation of the embodiments of the present invention. However, the present invention is not limited to the above embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A cookware with a composite non-stick layer, comprising a cooker body, wherein the inner surface of the cooker body has a non-stick layer, and wherein: The non-stick layer comprises inorganic materials and organic materials.
2. The cookware with a composite non-stick layer according to claim 1, characterized in that: The inorganic material is an inorganic ceramic material, and the organic material is polyphenyl p-hydroxybenzoate powder and / or polysiloxane powder.
3. The cookware with a composite non-stick layer according to claim 2, characterized in that: The inorganic ceramic material is titanium oxide powder, aluminum oxide powder, silicon oxide powder, zirconium oxide powder, titanium nitride powder, silicon carbide powder, or any combination of the above inorganic ceramic materials.
4. The cookware with a composite non-stick layer according to claim 3, characterized in that: The inorganic ceramic material and the organic material are sprayed onto the inner surface of the pot body by a plasma spraying process.
5. The cookware with a composite non-stick layer according to claim 4, characterized in that: The particle size of the inorganic ceramic material is 10 μm-50 μm, and the particle size of the organic material is 5 μm-20 μm; During plasma spraying, the inorganic ceramic material and the organic material are uniformly mixed in a volume ratio of 7:3, and the mixed material of the inorganic ceramic material and the organic material is plasma sprayed on the inner surface of the pot body. The plasma spraying process parameters are voltage 60V, current 260A, powder feeding speed 50L / min, and the porosity of the obtained non-stick layer is 5%-10%.
6. The cookware with a composite non-stick layer according to any one of claims 1 to 5, characterized in that: The pot body is a magnesium alloy pot body.
7. The cookware with a composite non-stick layer according to claim 6, characterized in that: The inner surface of the pot body is provided with a micro-arc oxidation layer, and the non-stick layer is provided on the micro-arc oxidation layer.