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Ceramic composite paint, antivirus ceramic composite paint, preparation method and coating thereof

A ceramic composite, coating technology, applied in the direction of coating and so on

Active Publication Date: 2021-07-06
BEIJING YINHEHUI NEW MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main purpose of the present invention is to provide a ceramic composite coating and its manufacturing method and coating, the technical problem to be solved is how to prepare a coating with good storage stability, room temperature curing and excellent physical and chemical properties of the film layer; The VOC content of the coating is low, and has good safety and productivity, and the VOC emission in the film-forming process of the coating is very low, which is beneficial to environmental protection; the hardness of the coating is high, the flexibility is good, and it is not easy to crack; the coating can be used at room temperature Curing can also be cured by heating, no need to mix two dosage forms on site, convenient construction, cost saving, and thus more suitable for practical use

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  • Ceramic composite paint, antivirus ceramic composite paint, preparation method and coating thereof

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preparation example Construction

[0071] The present invention also proposes a kind of preparation method of coating, and it comprises the following steps:

[0072] 1) Preparation of inorganic solution: Mix organic alkoxysilane, organic solvent and silica sol together, stir at 40-50°C for 5-10 minutes, and make an inorganic solution in sol state; the organic alkoxy The mass ratio of silane, organic solvent and silica sol is 1~1.6:0.5~0.8:1;

[0073] 2) Making inorganic resin: extract alcohol from the above inorganic solution under vacuum conditions, and add deionized water at the same time to obtain inorganic resin;

[0074] 3) Stirring and mixing solution: the inorganic resin and other raw materials are mixed and stirred together to form an inorganic ceramic mixture; in terms of mass percentage, the inorganic ceramic mixture includes: inorganic resin 30~99.9%, silicon nitride 0.1~ 70%, functional additives 0-10%, inorganic pigments 0-18% and other functional additives 0-2%; the total amount of the inorganic ...

Embodiment 1

[0091] The invention provides a kind of ceramic composite coating / antivirus ceramic composite coating, the preparation method is as follows:

[0092] 1) Make an inorganic solution: select one or two mixtures of organosilane from methyltrimethoxysilane or tetraethoxysilane, 28 parts. In this example, methyltrimethoxysilane and 14 parts of ethanol are used. , 28 parts of silica sol are mixed together and stirred at 40~50°C for 5~10 minutes. The mixture of alkoxysilane and silica sol will react chemically and generate heat. As the reaction progresses, it will gradually change from a turbid state to Become a transparent liquid and obtain an inorganic solution in a sol state;

[0093] 2) Making inorganic resin: vacuumize the above inorganic solution at 40~50°C for 5 minutes, and add deionized water at the same time to make up the amount of the solvent separated from the extraction alcohol to obtain an inorganic resin; the VOC content of the inorganic resin is 8.7 %, the solid cont...

Embodiment 2

[0099] The present invention provides a kind of ceramic composite coating / antivirus ceramic composite coating, its preparation method is the same as embodiment 1, and its raw material comprises following component:

[0100] 85% inorganic resin; the raw material of the inorganic resin includes the following components: 40.8 parts of tetraethoxysilane, 18.7 parts of ethanol, 25.5 parts of silica sol; the particle size of silicon dioxide in the silica sol is 10 ~ 50nm; The VOC content of the inorganic resin is 9.6%, and the solid content is 25%;

[0101] 5% silicon nitride; the particle size of the silicon nitride is 1 μm to 3 μm;

[0102] Potassium titanate 5%, nano silicon oxide 1%, aluminum oxide 4%; the particle size of other powders added are all less than 800nm;

[0103] After detection and analysis, the composition of the coating formed by the coating of this embodiment is as follows: 61.38% of silicon oxide, 13.19% of silicon nitride, 13.79% of potassium titanate and 11....

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Abstract

The invention relates to a ceramic composite paint, an anti-virus ceramic composite paint, a preparation method and a coating thereof. The coating includes 30-99.9% inorganic resin, 0.1-70% silicon nitride, 0-10% functional additives, 0-18% inorganic pigments and 0-2% other functional additives; the inorganic resin is composed of organic alkoxysilane , organic solvent and silica sol are mixed and reacted, alcohol is extracted, and deionized water is added; the mass ratio of organoalkoxysilane, organic solvent and silica sol is 1~1.6:0.5~0.8:1. The technical problem to be solved is how to prepare a coating with good storage stability, room temperature curing and excellent physical and chemical properties of the film layer; the coating has low VOC content, has good safety and productivity, and the VOC in the coating film forming process The emission is very low, which is good for environmental protection; the film layer has high hardness, good flexibility, is not easy to crack, and can kill viruses and bacteria by contact; the coating can be cured at room temperature or heated, and there is no need for two formulations on site. The construction is convenient, the cost is saved, and thus it is more suitable for practical use.

Description

technical field [0001] The invention belongs to the technical field of paint manufacture, and in particular relates to a ceramic composite paint, an anti-virus ceramic composite paint, a manufacturing method thereof and a coating. Background technique [0002] Because anti-corrosion coatings or building coatings contain a large amount of organic components, and there are many defects in their physical and chemical properties, most of the traditional ceramic coatings or coatings are prone to serious cracking due to their strong hardness, which is difficult to paint. Coating construction, especially the recently introduced inorganic ceramic coating agent needs to be heated and dried at 200 ° C, and there are many problems in the field construction. [0003] In view of the above status quo, the applicant has devoted himself to the research of inorganic coatings for many years, and proposed a room temperature curing inorganic coating and its manufacturing method in 2015, patent ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D1/00C09D7/61
CPCC09D1/00C09D7/61C09D7/70
Inventor 刘晓东
Owner BEIJING YINHEHUI NEW MATERIAL TECH
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