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Materials 2017, 10(5), 546; doi:10.3390/ma10050546

The Antifungal Activity of Functionalized Chitin Nanocrystals in Poly (Lactid Acid) Films

1
Biorefinery Processes Research Group, Department of Chemical and Environmental Engineering, Faculty of Engineering, University of the Basque Country (UPV/EHU), Pza. Europa 1, 20018 Donostia-San Sebastian, Spain
2
CNRS/Université de Pau et des Pays de l’Adour, Institut des Sciences Analytiques et de Physico-Chimie pour l’Environnement et les Materiaux, UMR 5254, 2 Av. Pdt Angot, 64053 Pau, France
*
Authors to whom correspondence should be addressed.
Academic Editor: Jun-ichi Anzai
Received: 4 April 2017 / Revised: 11 May 2017 / Accepted: 12 May 2017 / Published: 18 May 2017
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Abstract

As, in the market, poly (lactic acid) (PLA) is the most used polymer as an alternative to conventional plastics, and as functionalized chitin nanocrystals (CHNC) can provide structural and bioactive properties, their combination sounds promising in the preparation of functional nanocomposite films for sustainable packaging. Chitin nanocrystals were successfully modified via acylation using anhydride acetic and dodecanoyl chloride acid to improve their compatibility with the matrix, PLA. The nanocomposite films were prepared by extrusion/compression approach using different concentrations of both sets of functionalized CHNC. This investigation brings forward that both sets of modified CHNC act as functional agents, i.e., they slightly improved the hydrophobic character of the PLA nanocomposite films, and, very importantly, they also enhanced their antifungal activity. Nonetheless, the nanocomposite films prepared with the CHNC modified with dodecanoyl chloride acid presented the best properties. View Full-Text
Keywords: poly(lactic acid); chitin nanocrystals; nanocomposites; barrier properties; fungal inhibition poly(lactic acid); chitin nanocrystals; nanocomposites; barrier properties; fungal inhibition
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MDPI and ACS Style

Salaberria, A.M.; H. Diaz, R.; Andrés, M.A.; Fernandes, S.C.; Labidi, J. The Antifungal Activity of Functionalized Chitin Nanocrystals in Poly (Lactid Acid) Films. Materials 2017, 10, 546.

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