Mechanical Characterization of Nanoclay Reinforced Polypropylene Composites at High Temperature Subjected to Tensile Loads

Abstract:

In this paper, Polypropylene (PP) nanocomposites are prepared by melt mixing in a twin-screw extruder by injection molding. The role of compatibilizing agent is performed by maleic anhydride grafted polypropylene (PP-g-MA) between nanoclay and PP. The effect of nanoclay particles (1, 3, 5 wt %) on the PP composites is investigated for tensile test at high temperature for the first time. Mechanical behaviors of PP/clay nanocomposites at both room temperature (RT) and high temperature (HT) are investigated in terms of tensile properties. Addition of nanoclay showed a significant enhancement in stiffness of PP/clay nanocomposites. Nearly 36% and 157% increase in the tensile modulus at both RT and HT are observed, respectively. But, the increase in tensile strength is almost negligible.

• Periodical: Advanced Materials Research (Volumes 488-489)
• Pages: 567-571
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.488-489.567
• Online since: March 2012
• Authors: Reza Eslami Farsani, Ziba Hedayat Nasab, S. Mohammad Reza Khalili, Neda Soleimani
• Keywords: High-Temperature, Mechanical Property, Nanoclay, Nanocomposite, Polypropylene (PP)

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