In this work the photo-oxidative behavior of neat polypropylene (PP) and PP based nanocomposites incorporating graphene nanoplatelets (GnP) was studied. In particular, the influence of the amount of incorporated GnP was evaluated. The photo-oxidation has been followed by monitoring the change of the rheological, mechanical and spectroscopic properties upon artificial exposure to UV-B light. The results revealed that the presence of GnP reduced the rate of photooxidation of the PP matrix and, in the investigated composition range, the photo-stabilizing action improved with increasing the GnP content.
L. Botta, M.M. (2018). Photo-oxidative behavior of PP/GnP nanocomposites. In Atti XXIII Convegno Nazionale dell’Associazione Italiana di Scienza e Tecnologia delle Macromolecole (pp. 180-181). Maimone.
Photo-oxidative behavior of PP/GnP nanocomposites
L. Botta
;M. C. Mistretta;M. Ceraulo;F. P. La Mantia
2018-01-01
Abstract
In this work the photo-oxidative behavior of neat polypropylene (PP) and PP based nanocomposites incorporating graphene nanoplatelets (GnP) was studied. In particular, the influence of the amount of incorporated GnP was evaluated. The photo-oxidation has been followed by monitoring the change of the rheological, mechanical and spectroscopic properties upon artificial exposure to UV-B light. The results revealed that the presence of GnP reduced the rate of photooxidation of the PP matrix and, in the investigated composition range, the photo-stabilizing action improved with increasing the GnP content.
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