Thin ceramic coating and production method thereof

A technology of porcelain film coating and production method, applied in fire-resistant coatings, coatings, etc., can solve the problems of poor heat resistance, passenger health threat, adverse environmental and physical effects, etc., and achieves good weather resistance, high density, hardness, etc. high effect

Inactive Publication Date: 2009-06-03
上海瓷龙贸易有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] But it is well known that Teflon coating will have adverse effects on human health when it exceeds 260 °C
[0005] For other types of organic coatings, synthetic resins are usually used to form the coating surface film, and their heat resistance is generally poor.
Moreover, in the high temperature state, it often causes various adverse effects on the environment and the body.
For example, for rail transit locomotives, in the event of a sudden accident, if the interior of the locomotive is burned or smoked at high temperature, if the paint on the inner wall is an organic paint, the harmful substances produced at high temperatures will be destroyed in time. Fleeing passengers pose great health threat

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment 1

[0028] Porcelain coating of the present invention can be formed according to the following formula:

[0029] Composition Weight

[0030] Water-dispersed nano-scale alumina 360kg

[0031] Pigment 100kg

[0032] Packing 95kg

[0033] Potassium titanate whiskers 65kg

[0034] Methyltrimethoxysilane 320kg

[0035] Methyltriethoxysilane 60kg

[0036] These components add up to a total of 1000 kg.

[0037] The particle size of the alumina in the water-dispersed nano-scale alumina can be selected to be 20 nanometers.

[0038] The pigment therein may be iron oxide black. The enamel paint produced in this way has a metallic black color.

[0039] The filler therein can be optional silicon dioxide whiskers. The whiskers have strong dispersibility, which helps to achieve the purpose of uniform mixing in the paint. On the other hand, because of the strength of the whiskers themselves, it is beneficial to strengthen the cohesion of the paint.

[0040] The potassium titanate whiske...

specific Embodiment 2

[0041] Porcelain coating of the present invention can also be composed according to the following formula:

[0042] Composition Weight

[0043] Water-dispersed nano-scale alumina 400kg

[0044] Pigment 90kg

[0045] Packing 70kg

[0046] Potassium titanate whiskers 50kg

[0047] Methyltrimethoxysilane 340kg

[0048] Methyltriethoxysilane 50kg

[0049] These components add up to a total of 1000 kg.

[0050] The particle size of the alumina in the water-dispersed nano-scale alumina can be selected to be 15 nanometers.

[0051] Among them, the pigment in this embodiment can be silica fume powder, which makes the finished ceramic film coating appear taupe, and the effect of dirt resistance and dust resistance is very good.

[0052] The filler therein may be nanoscale precipitated barium sulfate. The particle size of the barium sulfate can be selected to be between 10-100 nanometers.

[0053] The potassium titanate whiskers may be potassium tetratitanate whiskers.

specific Embodiment 3

[0054] A kind of porcelain film paint, also can make according to following formula:

[0055] Composition Weight

[0056] Water-dispersed nano-scale alumina 320kg

[0057] Pigment 110kg

[0058] Packing 120kg

[0059] Potassium titanate whiskers 80kg

[0060] Methyltrimethoxysilane 260kg

[0061] Methyltrichlorosilane 40kg

[0062] Phenyltrimethoxysilane 20kg

[0063] Methyltriethoxysilane 50kg

[0064] Together it is 1000kg.

[0065] The particle size of the alumina in the water-dispersed nano-scale alumina can be selected to be 25 nanometers.

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Abstract

The invention provides a thin ceramic coating and a production method thereof, belonging to the field of functional coatings, in particular to the filed of high temperature resistant coatings. The thin ceramic coating is realized mainly through materials such as water dispersive nanometer alumina, pigments, fillers, potassium titanate whisker, methyl trimethoxysilane and the like. The coating produced by the invention has the qualities of an enamel surface, is complete harmless to a human body, and has the advantages of burning resistance, high temperature resistance, high hardness, high density, and good weatherability.

Description

technical field [0001] The invention belongs to the field of functional coatings, especially the field of high temperature resistant coatings. Background technique [0002] In the current technology, in order to obtain a surface structure with high smoothness and high brightness, surface coating is often used to achieve it. [0003] For the field of high-temperature-resistant coatings, as an example, functional coatings such as Teflon are often used to obtain corrosion-resistant and high-temperature-resistant coatings. [0004] But it is well known that Teflon coating will have adverse effects on human health when it exceeds 260 °C. [0005] For other types of organic coatings, synthetic resins are usually used to form the coating surface film, and their heat resistance is generally poor. Moreover, in a high temperature state, it often causes various adverse effects on the environment and the body. For example, for rail transit locomotives, in the event of a sudden accide...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D5/18
Inventor 李力锋
Owner 上海瓷龙贸易有限公司
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