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Preparation method of fireproof coating

A fire retardant coating and coating technology, applied in the direction of fire retardant coatings, coatings, etc., can solve the problems of rich coating functions, high coating production cost, poor fire resistance of coatings, etc., and achieves low preparation cost, excellent fire resistance, and drying speed. quick effect

Active Publication Date: 2015-11-18
北京昊天防火材料厂
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AI Technical Summary

Problems solved by technology

[0003] Existing coatings are not very fireproof, and the production cost of coatings is high, the production process is complicated, and the functions of coatings need to be enriched

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Preparation of thermoplastic acrylic resin: Mix methyl methacrylate, ethyl methacrylate, butyl methacrylate and methacrylic acid raw materials at a mass ratio of 20:5:60:5, add the mixture to the reaction solvent, and in a nitrogen atmosphere At 120°C, add the initiator dropwise while stirring, keep warm and reflux for 2 hours after the dropwise addition, and then lower the temperature at a uniform speed to obtain a thermoplastic acrylic resin.

[0021] In parts by weight, respectively weigh 20 parts of thermoplastic acrylic resin, 15 parts of hydroxyacrylic resin, 20 parts of silicone resin, 20 parts of ethyl silicate, and 60 parts of linseed oil prepared above, and add them into a stirrer at 400 Mix and stir at a stirring rate of rpm for 30 minutes to obtain mixture A; in parts by weight, weigh 10 parts of mullite fiber, 8 parts of silica fiber, 10 parts of ammonium dihydrogen phosphate, and 5 parts of hydrotalcite , 2 parts of KH570, 30 parts of water, mixed and stir...

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Abstract

The invention provides a preparation method of a fireproof coating. The preparation method has the beneficial effects that thermoplastic acrylic resin, hydroxy acrylic resin and organic silicon resin are combined to be used as a main body of the fireproof coating; through combination of the three kinds of resin, the coating not only has good light and color retention properties and water and chemical resistance but also is convenient to construct, has high drying speed and saves energy; as high temperature resistant mullite and silica fibers are also added to the coating, not only can the mechanical strength of coats be obviously improved but also the weather and corrosion resistance of the coats can be improved; in case of a fire, through synergy of various components in the formula, the coating has good flame retardant effects and is less in fuming.

Description

technical field [0001] The invention relates to a preparation method of a fireproof coating, which belongs to the technical field of decorative materials. Background technique [0002] Fire retardant coatings are also known as flame retardant coatings. Applying such coatings on the surface of some flammable materials in buildings can improve the fire resistance of flammable materials, or slow down the speed of flame spread, and prevent burning within a certain period of time. Control the growth of the fire and give people time to fight the fire. According to the function and function of fire retardant coatings and the requirements of current national standards for fire retardant coatings, the most suitable classifications are: structural fire retardant coatings and decorative fire retardant coatings; according to their solubility, they can be divided into water-based fire retardant coatings and oil-based fire retardant coatings ; According to its flame retardant mechanism, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/10C09D183/04C09D5/18C09D7/12
Inventor 章俊
Owner 北京昊天防火材料厂
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