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Radiation Physics and Chemistry
Year: 2009  |  Volume: 78  |  Issue: 7  |  Page No.: 517 - 520

Preparation of polymer/POSS nanocomposites by radiation processing

Jae-Hak Choi, Chan-Hee Jung, Dong-Ki Kim, Dong-Hack Suh, Young-Chang Nho, Phil-Hyun Kang and Ramakrishnan Ganesan    

Abstract: Multifunctional polyhedral oligomeric silsesquioxane (POSS)-reinforced polypropylene (PP) nanocomposites were prepared by a simple and economical radiation processing, which has a great potential for the preparation of high-performance materials. The tensile strength of PP/POSS nanocomposites increased with an increasing POSS content up to 5 wt% and with an increasing absorption dose up to 50 kGy. The tensile strength of irradiated PP/POSS nanocomposites decreased at high absorption dose due to the main chain scission of PP by radiation. The PP/POSS nanocomposites showed improved thermal stability due to the formation of crosslinked network between PP and POSS by radiation.

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