Aerogel composite thermal insulation coating and preparation method thereof

By using aerogel composite technology in the exterior wall insulation coating, and using modified montmorillonite and zirconium oxide, the problems of complex construction and insufficient flame retardant performance of traditional coatings are solved, and efficient thermal insulation and good water and flame retardant performance are achieved.

CN119955357AActive Publication Date: 2025-05-09FENGCHENG NEW CITY INVESTMENT & CONSTRUCTION GROUP CO LTD
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Patent Information

Application Number
CN202510288511.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-12
Publication Date
2025-05-09
Estimated Expiration
2045-03-12

AI Technical Summary

Technical Problem

During the construction process, the existing exterior wall insulation coating has problems such as complex processes, difficult joint processing, poor impact resistance, easy aging and falling off, and insufficient flame retardant performance.

Method used

Aerogel composite insulation coating is used, including composite emulsions, aerogels, modified montmorillonite, titanium dioxide, epoxy resins, dispersants, dodecanol and sodium methyl silicate, and montmorillonite is treated with acid solution, zirconium oxide is loaded and surface treatment to improve the hydrophobicity, flame retardant and thermal insulation properties of the coating.

Benefits of technology

It improves the hydrophobicity, flame retardant and thermal insulation properties of the coating, reduces the thermal conductivity, enhances water resistance and flame resistance, and solves the problems of complex construction of traditional coatings and insufficient flame retardant performance.

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Abstract

The invention relates to the technical field of thermal insulation materials, and particularly discloses an aerogel composite thermal insulation coating and a preparation method thereof.In composite emulsion provided by the invention, monomer raw materials are selected from 4-vinyl phenylboronic acid, styrene and acrylate; a polystyrene structure formed by polymerization and an alkyl long-chain structure of polyacrylate have strong hydrophobic characteristics, so that the hydrophobicity of the coating is improved; meanwhile, the polystyrene structure can also endow the coating with a certain heat preservation effect; boric acid groups in 4-vinylphenylboronic acid form a B-O-B cross-linked network structure at a high temperature, and can form a borate glass layer with zirconium oxide in modified montmorillonite, so that the compactness and thermal stability of a carbon layer are improved, and the flame-retardant effect of the coating is further improved; and montmorillonite is subjected to modification treatment, so that the hydrophobicity and the flame-retardant effect of the coating are further improved.
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