INFLUENCE OF THE ADDITION OF PARAFFIN AND GRAPHITE ON ETHYLENE PROPHYLENE DIENE MONOMER (EPDM) FOR THERMAL ENERGY STORAGE

Pocut Nurul Alam, Isra Adelya Izzati, Rima Dhinta Dewi Astuti, Umi Qhanita Putri Swya, Teuku Muhammad Daffa Rihayat

Abstract


This study aims to determine the effect of the paraffin: graphite ratio on the thermal resistance of the Phase Change Material (PCM). PCM mixed with Ethylene Propylene Diene Monomer (EPDM) which has good compatibility with paraffins as a base polymer for preparing paraffin graphite composites. The samples was prepared by using heating method at 180oC for 20 minutes with a variation of the ratio 9:1 and 8:2 with mass ratios PCM70 : EPDM30, PCM80 : EPDM20, and PCM90 : EPDM10. Based on the results of tensile strength testing, thermal stability analysis and SEM. the maximum tensile strength is obtained at a mass ratio of 80% : 20% with a ratio of 9:1 which is 9.34 Mpa, has a thermal stability of 307.04oC at onset and Endset at a temperature of 399.50oC, However, there is an aggregate form that is agglomerate and has large pores, as well as a rough surface on the sample. While the results of the Morphology test using SEM, the best interaction between polymers with a mass ratio of 70%:30% at a ratio of 9:1, with a very well mixed surface, smooth, no lumps formed.

 Keywords: EPDM; Graphite;Paraffin;PCM;Polymers

 


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DOI: http://dx.doi.org/10.30811/jstr.v21i01.4169

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