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Thermal and Morphology Studies of Siliconized Epoxidized Ethylene-Propylene-Diene Terpolymer

M. Vadivel, M. Suresh Chandra Kumar, J. Dhaveethu Raja, M. Sankar Ganesh and S. Arvind Narayan

Siliconized epoxidized ethylene-propylene-diene terpolymer was developed by ethylenepropylene- diene terpolymer (EPDM) was epoxidized with an in situ formed per formic acd to prepare epoxidized EPDM (eEPDM) with hydroxyl terminated polydimethysiloxane (silicone) modifier using 3-aminopropyltriethoxysilane (APTES) crosslinker and dibutyltindilaurate (DBTDL) as catalyst. The chemical structure of Siliconized epoxidized ethylene-propylene-diene terpolymer was confirmed by FT-IR spectroscopy. The thermal properties and morpholiges of the EPDM, eEPDM and Siliconized epoxidized ethylene-propylene-diene terpolymer were investigated. Siliconized epoxidized ethylenepropylene- diene terpolymer is observed that the improves their thermal stability due to the partial ionic nature, high bond energy and thermal stability of –Si-O-Si- linkage. Siliconized epoxidized ethylenepropylene- diene terpolymer systems show heterogeneous morphology.