Infrared transparent super-hydrophobic coating, method for preparing same and use thereof

By preparing an infrared transparent superhydrophobic coating through a solid-state method, and combining nanoparticles with resin, the problems of easy contamination and reduced transmittance of infrared materials were solved, achieving high transmittance and durable superhydrophobic properties in the thermal infrared band.

CN116751485BActive Publication Date: 2026-05-29DONGHUA UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
DONGHUA UNIV
Filing Date
2023-05-16
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing infrared transparent materials are easily contaminated in the thermal infrared band, resulting in poor imaging effects. Furthermore, existing technologies are complex or have reduced transmittance.

Method used

An infrared transparent superhydrophobic coating was prepared by solid-state method. Superhydrophobic nanoparticles were sprayed and combined with polymer resin, and a robust coating was formed by heat treatment process. The combination of infrared transparent nanoparticles and thermoplastic resin achieved high transmittance and superhydrophobic properties in the 8-14μm wavelength range.

Benefits of technology

With a transmittance of over 80% in the thermal infrared band, the coating maintains excellent performance under mechanical friction and water impact, solving the problems of easy material contamination and reduced transmittance, and providing efficient infrared imaging protection.

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Abstract

The present application relates to a kind of infrared transparent super-hydrophobic coating and its preparation method and application, polypropylene dispersion liquid is sprayed on the surface of substrate, then again spray modified nanoparticle dispersion liquid, heat treatment, obtain composite coating.The method of the present application is combined with special processing process to obtain high-performance coating, which also expands the functionalization of super-hydrophobic materials, and has important practical applications in infrared detection, infrared thermal imaging and other aspects.
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