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Inorganic ceramic non-stick pan coating and preparing method thereof

A technology of inorganic ceramics and composite coatings, applied in the direction of coatings, devices for coating liquid on the surface, special materials for cooking utensils, etc., to achieve the effect of non-stick performance

Inactive Publication Date: 2019-02-15
浙江宇达新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an inorganic ceramic non-stick pan composite coating to solve how to improve the long-term non-stick property of the non-stick pan, especially when the surface film layer is slightly damaged, it can also maintain good non-stick property

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Inorganic ceramic non-stick pan composite coating, which is composed of a primer coating and a layer of top coating, the primer coating is an inorganic ceramic coating, the thickness of the primer coating is 15 μm, and there is a thickness of 1.0 μm roughness; the surface coating is a silane film coating, and the thickness of each layer of the surface coating is 0.5 μm.

[0015] The primer coating is obtained by spraying the primer paint first, and then drying. The primer paint is prepared by mixing silane, silica sol, pigments and auxiliary agents. The silane is methyltrimethoxysilane, The proportioning ratio of the silane and silica sol is 0.7:1.0; the auxiliary agent is formic acid, and the addition amount is based on adjusting the pH value of the primer coating at 4.0; the pigments include colored pigments and temperature-resistant pigments, wherein the colored pigments Determined according to the paint coloring requirements, the ratio of the temperature-resistant p...

Embodiment 2

[0020] Inorganic ceramic non-stick pan composite coating, which consists of a primer coating and two layers of top coating, the primer coating is an inorganic ceramic coating, the thickness of the primer coating is 50 μm, and there are 3.5 μm roughness; the surface coating is a silane film coating, and the thickness of each layer of the surface coating is 10 μm.

[0021] The primer coating is firstly sprayed with primer paint and then dried. The primer paint is prepared by mixing silane, silica sol, pigments and additives. The silane is methyltriethoxysilane , the proportioning of described silane, silica sol is 1.0:1.0; Described auxiliary agent is acetic acid, and add-on is as the criterion with the pH value of adjusting primer coating at 5.0; Described pigment comprises coloring pigment and heat-resistant pigment, wherein coloring The pigment is determined according to the paint coloring requirements, and the ratio of the heat-resistant pigment to the silica sol is 0.6:1.0,...

Embodiment 3

[0026] Inorganic ceramic non-stick pan composite coating, which is composed of a primer coating and a top coating layer, the primer coating is an inorganic ceramic coating, the thickness of the primer coating is 20 μm, and there are 1.5 μm roughness; the surface coating is a silane film coating, and the thickness of each layer of the surface coating is 1 μm.

[0027] The primer coating is obtained by spraying and drying the primer first. The primer is prepared by mixing silane, silica sol, pigments and auxiliary agents. The silane is tetraethoxysilane. The proportioning of above-mentioned silane, colloidal silica is 0.8:1.0; Described auxiliary agent is the mixture of formic acid, acetic acid, and add-on is as the criterion with adjusting the pH value of primer coating at 4.1; Described pigment comprises colored pigment and heat-resistant pigment, Wherein the coloring pigment is determined according to the coloring requirements of the paint, the ratio of the temperature-resist...

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PUM

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Abstract

The invention discloses an inorganic ceramic non-stick pan coating and a preparing method thereof. The inorganic ceramic non-stick pan coating is composed of a bottom coating layer and 1-2 surface coating layers. The bottom coating layer is an inorganic ceramic coating and has the thickness of 15-50 micron and the roughness Ra larger than or equal to 1.0 and smaller than or equal to 3.5 micron. The surface coating layers are silane film coatings and each have the thickness of 0.5-10 micron. The long-acting non-stick performance of a non-stick pan is improved, and especially the good non-stickperformance can be kept when the surface coating layers are slightly damaged.

Description

technical field [0001] The invention relates to an inorganic ceramic composite coating with a non-stick effect on metal surfaces, in particular to an inorganic ceramic non-stick composite coating suitable for coating the surface of cooking utensils. Background technique [0002] At present, non-stick pan coatings are basically divided into two categories, one is water-based non-stick fluorocarbon coatings, which are mainly provided by PTEE, and the other is inorganic ceramic coatings that have only emerged in recent years. [0003] Water-based non-stick fluorocarbon coating, commonly known as "Teflon", has very good non-stick properties, but its disadvantages are that its hardness is not high, and its wear resistance is not good. At the same time, it was later found that PTEE may cause cancer, so inorganic ceramic coatings are used instead pregnancy. The existing inorganic ceramic non-stick pan coating is to spray a layer of non-stick ceramic paint on the pretreated metal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47J36/02B05D7/00B05D7/24
CPCA47J36/025B05D7/24B05D7/54
Inventor 章浩龙
Owner 浙江宇达新材料有限公司