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A kind of ceramic paint for automobile outer surface and its preparation method and application

A technology for ceramic coatings and exterior surfaces, used in antifouling/underwater coatings, coatings, and biocide-containing paints, etc., which can solve the problems of shortening the service life of automobile surface paint, low hardness, and affecting the appearance of automobiles.

Inactive Publication Date: 2017-09-22
SHANGHAI EXCILON NEW MATERIALS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The surface coating of the car is made of organic paint. Due to its low hardness, some fine sand and other substances will inevitably remain on the rag when cleaning the surface, which will cause scratches on the car surface, which will not only affect the appearance of the car, but also shorten the service life of the car surface paint. Recently, a ceramic coating that can be used on the outer surface of automobiles has been developed, with a hardness of 9H. On the one hand, it can greatly alleviate the scratches on the outer surface of the car caused by cleaning; When it rains, the rainwater can clean the dust and dirt on the surface of the car, prolonging the interval between car washes

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A ceramic coating for the exterior surface of automobiles, the raw material composition is: the mass fraction of siloxane is 60%, the mass fraction of solvent is 18%, the mass fraction of water is 2%, and the mass fraction of auxiliary agent is 0.1% , the acid is 19.9%.

[0026] The siloxane is a mixture of methyl trimethoxy silane, ethyl orthosilicate, propyl trimethoxy silane, ethyl trimethoxy silane and epoxy silane, and each component is in an equal volume ratio configuration.

[0027] Described solvent is the mixed solution of polyvinyl alcohol and alcohol water, the volume ratio of alcohol and water in the mixed solution of alcohol water is 1: 1, the mixed solution of alcohol water refers to the mixed solution of alcohol and water; The mixed solution of alcohol and water is also an equal volume configuration;

[0028] The alcohols are ethanol and isopropanol; each component is configured in an equal volume ratio.

[0029] The mass fraction of the alcohol is 5%;...

Embodiment 2

[0039] A ceramic coating for the exterior surface of automobiles, the raw material composition is: the mass fraction of siloxane is 65%, the mass fraction of solvent is 20%, the mass fraction of water is 3%, and the mass fraction of auxiliary agent is 0.5% , the acid is 21.5%.

[0040] The siloxane is a mixture of methyltrimethoxysilane, ethyl orthosilicate and propyltrimethoxysilane. Each component is configured in an equal volume ratio.

[0041] Described solvent is the mixed solution of polyvinyl alcohol and alcohol water, the volume ratio of alcohol and water in the mixed solution of alcohol water is 1: 1, the mixed solution of alcohol water refers to the mixed solution of alcohol and water; The mixed solution of alcohol and water is also an equal volume configuration;

[0042] The alcohols are ethanol, isopropanol and n-butanol; each component is configured in an equal volume ratio.

[0043] The mass fraction of the alcohol is 7%;

[0044] The acids are acetic acid an...

Embodiment 3

[0053] A ceramic coating for the outer surface of automobiles, the raw material composition of which is: the mass fraction of siloxane is 70%, the mass fraction of solvent is 21%, the mass fraction of water is 5%, and the mass fraction of auxiliary agent is 1% , the acid is 3%.

[0054] The siloxane is a mixture of methyl trimethoxy silane, ethyl orthosilicate, propyl trimethoxy silane, ethyl trimethoxy silane and epoxy silane, and each component is equal in volume than configure.

[0055] Described solvent is the mixed solution of polyvinyl alcohol and alcohol water, the volume ratio of alcohol and water in the mixed solution of alcohol water is 1: 1, the mixed solution of alcohol water refers to the mixed solution of alcohol and water; The mixed solution of alcohol and water is also an equal volume configuration;

[0056] The alcohol is a mixture of ethanol, isopropanol, n-butanol and polyvinyl alcohol; each component is configured in an equal volume ratio.

[0057] The m...

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Abstract

The invention relates to a ceramic coating for an automobile surface as well as a preparation method and application thereof. The ceramic coating consists of the following raw materials in percentage by mass: 60-70% of siloxane, 18-21% of solvent, 2-5% of water, 0.1-1% of aid and the balance of acid. According to the ceramic coating for the automobile surface, the hardness is 9H, and thus the phenomenon of surface scratch caused by cleaning of an automobile is greatly relieved; and moreover, the coating has super-hydrophobicity as well as self-cleaning feature, the dust and dirt on the surface can be rinsed off by rainwater, and thus the interval time of each automobile washing can be prolonged. The shelf life of the one-component ceramic coating is about 3 months; the ceramic coating provided by the invention is a one-component ceramic coating; by adopting the ceramic coating to the automobile surface, the surface hardness can be enhanced to avoid scratch of automobile paint; the rain wash realizes an automobile washing effect; and the preparation method and formula are totally different from those of the existing ceramic coating.

Description

【Technical field】 [0001] The invention relates to the technical field of ceramic coatings, in particular to a ceramic coating used for the outer surface of automobiles and a preparation method and application thereof. 【Background technique】 [0002] The surface coating of the car is an organic coating. Due to its low hardness, some fine sand and other substances are inevitably left on the rag when cleaning the surface, which will cause scratches on the surface of the car, which not only affects the appearance of the car, but also shortens the service life of the car surface paint. Recently, a ceramic coating that can be used on the outer surface of automobiles has been developed with a hardness of 9H. On the one hand, it can greatly alleviate the scratches on the outer surface of automobiles caused by cleaning; When it rains, the rainwater can wash away the dust and dirt on the surface of the car, extending the interval between car washes. This ceramic coating is one-compon...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D183/04C09D5/16C09D7/12
Inventor 张浴晖李力锋尤佳
Owner SHANGHAI EXCILON NEW MATERIALS
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