Physical properties of poly lactic acid/clay nanocomposite films: Effect of filler content and annealing treatment

Authors

  • Pietro Russo,

    Corresponding author
    1. Institute of Chemistry and Technology of Polymers—CNR, Pozzuoli, Italy
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  • Sara Cammarano,

    1. Queen Mary University of London, Centre for Materials Research & School of Engineering and Materials Science, London, United Kingdom
    2. Department of Chemical, Materials Engineering and Industrial Production – University of Naples Federico II – P.le V., Naples, Italy
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  • Emiliano Bilotti,

    1. Queen Mary University of London, Centre for Materials Research & School of Engineering and Materials Science, London, United Kingdom
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  • Ton Peijs,

    1. Queen Mary University of London, Centre for Materials Research & School of Engineering and Materials Science, London, United Kingdom
    2. Eindhoven University of Technology, Eindhoven Polymer Laboratories, MB Eindhoven, The Netherlands
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  • Pierfrancesco Cerruti,

    1. Institute of Chemistry and Technology of Polymers—CNR, Pozzuoli, Italy
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  • Domenico Acierno

    1. Department of Chemical, Materials Engineering and Industrial Production – University of Naples Federico II – P.le V., Naples, Italy
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ABSTRACT

Polylactic acid (PLA)-based nanocomposite films, containing up to 5% by weight of two types of nanoclays: sepiolite needle-like clay and halloysite nanotube clay, were prepared via industrially viable melt processing route. Clays modify the crystallinity of the hosting PLA affecting its gas barrier and mechanical properties. Annealing treatments of composite films were found to be critical in the optimization of these properties with an additional enhancement in crystallinity and stiffness especially in presence of clays. © 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2014, 131, 39798.

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