Electrical conductivity of poly (lactic acid)/poly (3-hydroxybutyrate-co-3-hydroxyvalerate) blend-based graphene nanoplatelets

I. C. Oyama, F. R. Passador

The bio-based biodegradable blend of poly (lactic acid)/poly (3-hydroxybutyrate-co-3-hydroxyvalerate) (PLA/PHBV) is a good candidate to produce polymeric components such as antistatic packaging due to its short life cycle (Silva et al., 2021) and biodegradability, which brings attention to sustainability, though it an insulator material. Graphene nanoplatelets (GNP) is a well-known material, famous for their excellent electrical properties and have been being consolidating its place in the polymeric field as electrical charge in composites. In this current work, the addition of GNP (1, 3 and 5 wt%) as a conductor agent in the PLA/PHBV (80/20) blend matrix is proposed so as to increase the electrical property of the blend. In this study, the structural, thermal properties, and electrical conductivity behavior of the nanocomposites were evaluated.

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