Ceramic coating with high hardness in hot environment

A ceramic coating, high hardness technology, applied in the direction of coating, to achieve the effect of reducing cost, reasonable proportion and saving energy

Inactive Publication Date: 2016-09-21
FOSHAN POLIMA ADVANCED TECH & SUPPLIES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The ceramic coating prepared by this scheme has better non-stick and wear resistance, but its preparation method also requires 1.5-12 hours of aging process

Method used

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  • Ceramic coating with high hardness in hot environment
  • Ceramic coating with high hardness in hot environment
  • Ceramic coating with high hardness in hot environment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] 100g of silica sol, 25g of titanium dioxide, 3g of talc and 3g of mica powder are fully dispersed until the precipitate disappears completely as a color slurry; 55.5g of organosilane, 0.5g of citric acid and 1g of hydroxyl silicone oil are mixed uniformly as a resin slurry, and then the resin slurry is mixed with The color paste is fully mixed evenly, and finally filtered through a 100-150 mesh filter to prepare a ceramic coating with high hardness in a hot environment.

Embodiment 2

[0036] 100g of silica sol, 24g of titanium dioxide, 20g of boron nitride, 5g of kaolin and 5g of titanium dioxide are fully dispersed until the precipitate disappears completely as a color slurry; 57g of organosilane, 0.7g of citric acid and 2g of hydroxy silicone oil are mixed uniformly as a resin slurry, and then The resin paste and the color paste are fully mixed evenly, and finally filtered through a 100-150 mesh filter screen to prepare a ceramic coating with high hardness in a hot environment.

Embodiment 3

[0038] 100g of silica sol, 22g of titanium dioxide, 10g of boron nitride, 5g of kaolin and 5g of titanium dioxide are fully dispersed until the precipitation completely disappears as a color slurry; 59g of organosilane, 0.9g of citric acid and 4g of hydroxy silicone oil are mixed uniformly as a resin slurry, and then The resin paste and the color paste are fully mixed evenly, and finally filtered through a 100-150 mesh filter screen to prepare a ceramic coating with high hardness in a hot environment.

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Abstract

The invention provides a ceramic coating with high hardness in a hot environment. The ceramic coating consists of silica sol, organosilane, a catalyst, titanium dioxide, hydroxyl silicone oil, a filler and a toner, wherein the weight ratio of the silica sol, the organosilane, the catalyst, the titanium dioxide, the hydroxyl silicone oil, the filler and the toner is 100:(55.5-60.5):(21-25):(1-5):(2-30):(0-30), the content of Si2O in the silica sol is 25 to 30 percent, silica sol emulsion particles are 500 to 600 nm, the particle size of the titanium dioxide is 40 to 50 nm, and the hydroxyl content of the hydroxyl silicone oil is 4.2 to 4.5 percent. The prepared ceramic coating can be directly used without curing, and has high cold and heat stability, wear resistance and non-adhesion.

Description

technical field [0001] The invention belongs to the field of coatings, and in particular relates to a high-hardness ceramic coating in a thermal environment. Background technique [0002] Ceramic coating is a new type of environmentally friendly and non-toxic coating with low VOC emissions. It has many advantages such as non-stick, high temperature resistance, high hardness, non-flammable and smoke-free, super weather resistance, self-cleaning, corrosion resistance, high temperature oxidation resistance, etc. It is an ideal paint. In recent years, the trend of industrialization and commercialization of ceramic coatings in chemical anticorrosion, aviation, automobiles, kitchen equipment and other fields has become more and more obvious, and its research work has become a hot spot of concern. In recent years, ceramic coatings have begun to be applied to cookware, and have developed rapidly because of their safety advantages. In terms of non-stick cookware, current kitchen ut...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D7/12
CPCC09D1/00C09D7/61C09D7/63C09D7/65
Inventor 曾志玲梁文波
Owner FOSHAN POLIMA ADVANCED TECH & SUPPLIES CO LTD
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