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Korean Journal of Chemical Engineering, Vol.37, No.4, 736-741, 2020
Surfactant-free fabrication of phase change material emulsions (PCMEs) using mineral oxide Pickering emulsifiers
Phase change material emulsions (PCMEs) are an attractive two-phase heat transfer fluid where the PCMs that can store or release latent heat during their phase change at a desired temperature are dispersed in the form of fine droplets in a carrier fluid. The majority of the PCMEs were prepared previously by using organic molecular surfactants, some of which might possess health and environmental risks. Herein, we demonstrate the surfactant-free fabrication of docosane (C22H46)-based PCMEs by utilizing various mineral oxide nanoparticles (MONPs) as Pickering emulsifiers, which show promising thermal properties.
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