Evaluation of antioxidant and antimicrobial properties of biocompatible low density polyethylene/polyaniline blends
2013
Nand, Ashveen V. | Swift, Simon | Uy, Benedict | Kilmartin, Paul A.
Melt processed blends of linear low density polyethylene (LLDPE) and polyaniline, in nanorod form, synthesized via the “falling pH” method (NR-PANI), with 5%, 10%, 15% and 20% NR-PANI loading, were evaluated for active packaging applications. The oxygen permeability decreased as the amount of NR-PANI in the blends increased. The blends films also exhibited antimicrobial and antioxidant capabilities. The oxidation of fish oil was delayed in the presence of the NR-PANI/LLDPE blends, and there was a negative correlation between oxidation and the NR-PANI content in the films. Moreover, the blends films were biocompatible to mammalian cells, meaning that NR-PANI/LLDPE films can potentially be utilized for a range of active packaging applications.
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