Abstract
The effect of the four kinds of red, dark yellow, purple, and black pastes on the properties of fluorine resin/aluminum low emissivity coating was studied. The infrared emissivity coatings with red and black pastes were higher than the coatings with dark yellow and purple pastes. The hardness of the coatings with red, dark yellow, and purple color pastes was 6H, and that with black pastes was 6B. The adhesion and impact resistance of dark yellow coating was better, followed by red and purple, and the adhesion and impact resistance of black coating was the worst. Electrochemical polarization curves indicated that fluorine resin coatings with purple paste had better corrosion resistance. After the salt water resistance test, there was no obvious loss of light in the coatings with the four kinds of color pastes. The purple paste coating had no obvious loss of light and less bubble, suggesting that the fluorine resin/aluminum low emissivity coating with purple paste had better performance. The results of this study provide a new prospect for the application of infrared low emissivity coating in infrared stealth and compatibility with visible light.
Highlights
At present, the research area related to infrared light is applied more and more in the military field.As a result, infrared low emissivity coating (IRLEC) has attracted more and more attention because infrared emissivity is an important index [1]
The above researchers mainly focus on the reflection characteristics, thermal shock resistance and infrared emissivity, but less on the corrosion resistance, color [6] and compatibility with visible light
This paper mainly focused on the color matching problem, aiming to study the effect of quantitatively changing the dosage of different color pastes of red, dark yellow, purple, and black color pastes on the infrared emissivity, gloss, brightness, adhesion, impact resistance, corrosion resistance and roughness of fluorine resin/aluminum coatings, so as to obtain the optimum color of low gloss and IRLEC, laying a foundation for the application of IRLEC and compatibility with visible light in engineering
Summary
The research area related to infrared light is applied more and more in the military field. The above researchers mainly focus on the reflection characteristics, thermal shock resistance and infrared emissivity, but less on the corrosion resistance, color [6] and compatibility with visible light. Infrared coating is required to have the following properties at the same time: low emissivity, environmental protection, good corrosion resistance, low gloss, so as to have a good effect on visible light compatibility. This paper mainly focused on the color matching problem, aiming to study the effect of quantitatively changing the dosage of different color pastes of red, dark yellow, purple, and black color pastes on the infrared emissivity, gloss, brightness, adhesion, impact resistance, corrosion resistance and roughness of fluorine resin/aluminum coatings, so as to obtain the optimum color of low gloss and IRLEC, laying a foundation for the application of IRLEC and compatibility with visible light in engineering
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