An aerogel coating and a method of making the same

By combining silica aerogel with a network structure of nanomaterials, an aerogel coating with excellent radiation and heat insulation properties was prepared, which solved the problem of insufficient infrared radiation blocking ability of existing coatings at high temperatures and achieved efficient dispersion and good performance of the coating.

CN120758121BActive Publication Date: 2026-06-09SUZHOU AIREGO NEW MATERIALS TECHNOLOGY CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SUZHOU AIREGO NEW MATERIALS TECHNOLOGY CO LTD
Filing Date
2025-07-25
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Existing aerogel coatings have poor ability to block infrared radiation at high temperatures, resulting in a decrease in heat insulation performance. Furthermore, existing preparation methods are not suitable for large-scale production or have low efficiency.

Method used

A composite silica aerogel was used to prepare an aerogel coating by combining nano-ferric oxide, nano-titanium dioxide, and graphene oxide with silica aerogel to form a tight network structure. Aqueous epoxy resin, defoamer, and film-forming aids were added in a specific ratio, and parameters such as pH and temperature were controlled during the preparation process.

Benefits of technology

The aerogel coating exhibits excellent radiation and heat insulation properties at high temperatures, with uniform dispersion, superior adhesion and hardness, making it suitable for various application scenarios.

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Abstract

The application discloses aerogel paint and a preparation method thereof, and belongs to the technical field of aerogel paint. The aerogel paint is mainly prepared from water-based epoxy resin, composite silica aerogel, diatomite, defoaming agent, film-forming aid and water. The composite silica aerogel is used as a filler, and cooperates with other raw materials to make the paint have good radiation performance and heat insulation performance, and can meet the requirements of different application scenarios. The composite silica aerogel is prepared by adding nano-Fe2O3, nano-TiO2 and graphene oxide to form a composite close net structure filled with nano-Fe2O3, nano-TiO2 and graphene oxide in the silica aerogel. Due to the synergistic effect among the four materials and the specific composite structure formed, the composite silica aerogel has good heat insulation performance and radiation performance, and can be used as a filler of the paint.
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