Thermomechanical properties of elastomeric-filled composites

TL;DRAbstract

The aim of this research project was to modify the matrix polymer’s relaxation processes by the inclusion of filler and to characterise the interfacial interaction in between matrix polymer and filler. Three types of elastomers were selected for this research: a purely amorphous elastomer (poly(ethylene-co-propylene) diene monomer) (EPDM), a semi-crystalline elastomer (poly(ethylene-co-methyl acrylate)) (EMA) and a thermoplastic elastomer (thermoplastic polyurethane) (TPU). These elastomers possessed reinforcement via chemical crosslinking, crystalline molecular segments and hydrogen bonding. Fillers in the form of aluminas (with EPDM) and fumed silicas (with EMAs and TPUs) were added to the elastomers to form composites. Materials were prepared via a solvent casting method. Elastomers were dissolved in an appropriate solvent and fillers were added. A crosslinking agent was also added to the dissolved EPDM. Fillers were dispersed with ultrasonication after which dissolved elastomerfill

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