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http://dx.doi.org/10.14478/ace.2019.1105

Heat Shield Property of Nanostructural-regulated Fe2O3/TiO2 Composites Filled with Polyacrylate Paint  

Kim, Dae Won (School of Chemical Engineering, Chonbuk National University)
Ma, Young Kil (School of Chemical Engineering, Chonbuk National University)
Kim, Jong Seok (School of Chemical Engineering, Chonbuk National University)
Publication Information
Applied Chemistry for Engineering / v.31, no.1, 2020 , pp. 43-48 More about this Journal
Abstract
Fe2O3 nanoparticles with the mixed structure of cubic and nanorod were synthesized by precipitation, hydrothermal, sol-gel method, etching process and heat treatment. Fe2O3/TiO2 core-shell (CS) of type Fe2O3@TiO2 composite was fabricated on a 20 nm nanolayer of TiO2 coated on the surface of Fe2O3 nanoparticles. Fe2O3/TiO2 yolk-shell (YS) composite was prepared by chemical etching and heat treatment of Fe2O3/TiO2 CS nanoparticles. Physical properties of Fe2O3, Fe2O3@TiO2 CS and Fe2O3@TiO2 YS nanoparticles were characterized by FE-SEM, HR-TEM and X-ray diffraction. The solar reflectance, commission internationale de l'Elcairage (CIE) color coordinate and heat shield temperatures of Fe2O3, CS and YS type Fe2O3@TiO2 pigments filled with poly acrylate (PA) paints were investigated by UV-Vis-NIR spectrometer and homemade heat shield temperature measuring device. The Fe2O3@TiO2 YS red pigment filled PA composite exhibited excellent near infrared light reflecting performance and also reduced the heat shield temperature of 13 ℃ than that of Fe2O3 filled counterparts.
Keywords
$Fe_2O_3@TiO_2$ composite; Yolk-shell; Red pigment; Light reflectance; Heat shield paint;
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Times Cited By KSCI : 2  (Citation Analysis)
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