Abstract
This research work involves the production of microencapsulated phase change material (PCM) in which paraffin liquid was used as the core component with two different concentrations of sebacyol chloride(SC) of 0.17 mol (Sample A) and 0.18 mol (Sample B) and hexamathylene diamine (HMD) (0.2) to make polyamide shell components. The microencapsulated PCM was characterized using Fourier Transform Infrared (FTIR) and Scanning Electron Microscopy (SEM). The thermal energy storage capacity was measured by Differential Scanning Calorimetry (DSC). The FTIR indicated that the microencapsulation process occurs due to the existence of alkyl group (C–H) and carbonyl group (C=O) in the spectra. DSC analysis shows that the paraffin started to melt at 20–30 °C with thermal energy storage capacity 0.06342 and 0.07925 J/g for Sample A and Sample B respectively. The results obtained show that the concentration of shell component affects the thermal energy storage of paraffin liquid.
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