Abstract
A fluorine resin/aluminum infrared coating was prepared with aluminum using black paste as filler and fluorine resin as binder. The effect of the black paste content on the performance of gloss, color difference, infrared emissivity, hardness, adhesion, impact resistance, roughness, optical testing, and corrosion resistance of the fluorine resin/aluminum infrared coating were examined. When the content of black paste was increased from 1.0% to 9.0%, the gloss of the coating surface decreased; the ΔE* value of the coating decreased; the infrared emissivity of the coating surface increased gradually; the hardness of the coating was 6H; the adhesion grade of the coating was 0; the infrared absorption peak increased gradually. When the content of black paste was 0%–3.0%, the impact resistance was more than 50 kg∙cm, and the impact resistance was higher. When the content of black paste was 0%–5.0%, the surface roughness of the coating was relatively low. When the content of black paste was 1.0%, the corrosion resistance of the coating was the best. The results showed that when the content of black paste was 1.0%, the performance of the whole fluorine resin coating was the best. Through the preparation and characterization of fluorine resin infrared low-emissivity coatings, the possibility of applying fluorine resin to infrared low-emissivity anticorrosive coatings was discussed, which laid a foundation for the subsequent engineering application of coatings.
Highlights
With the rapid development of infrared detection equipment and infrared-guided weapons, infrared low-emissivity coatings (IRLECs) have become a hot topic [1]
Through the preparation and characterization of fluorine resin infrared low-emissivity coatings, the possibility of applying fluorine resin to infrared low-emissivity anticorrosive coatings was discussed, which laid a foundation for the subsequent engineering application of coatings
Shi et al investigated the influences of the floating rate of Al particles on the infrared emissivity [3]
Summary
With the rapid development of infrared detection equipment and infrared-guided weapons, infrared low-emissivity coatings (IRLECs) have become a hot topic [1]. The coatings are comprised of three components: additives, fillers, and adhesives [2]. Metal filler has the best performance, strong reflectivity to visible light, and good infrared stealth performance, but it is not beneficial to visible stealth. Aluminum is the most widely used because of its low cost, easy access, and good performance. Shi et al investigated the influences of the floating rate of Al particles on the infrared emissivity [3]. The realization of infrared stealth performance mainly focuses on the properties of fillers.
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