Effects of Ar–N2–O2 Microwave Plasma on Poly-L-Lactic Acid Thin Films Designed for Tissue Engineering

Authors

  • Emna Chichti,

    1. Université de Lorraine, Laboratoire d'ingénierie des Biomolecules, 2 avenue de la Forêt de Haye, TSA 40602, 54518 – Vandoeuvre Cedex, France
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  • Gerard Henrion,

    1. CNRS, Institut Jean Lamour, UMR 7198, 54042 Nancy, France
    2. Université de Lorraine, Institut Jean Lamour UMR 7198 CNRS – Ecole des Mines – Parc de Saurupt - CS 14234, 54042 Nancy, France
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  • Franck Cleymand,

    1. CNRS, Institut Jean Lamour, UMR 7198, 54042 Nancy, France
    2. Université de Lorraine, Institut Jean Lamour UMR 7198 CNRS – Ecole des Mines – Parc de Saurupt - CS 14234, 54042 Nancy, France
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  • Majid Jamshidian,

    1. Université de Lorraine, Laboratoire d'ingénierie des Biomolecules, 2 avenue de la Forêt de Haye, TSA 40602, 54518 – Vandoeuvre Cedex, France
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  • Michel Linder,

    1. Université de Lorraine, Laboratoire d'ingénierie des Biomolecules, 2 avenue de la Forêt de Haye, TSA 40602, 54518 – Vandoeuvre Cedex, France
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  • Elmira Arab-Tehrany

    Corresponding author
    1. Université de Lorraine, Laboratoire d'ingénierie des Biomolecules, 2 avenue de la Forêt de Haye, TSA 40602, 54518 – Vandoeuvre Cedex, France
    • Université de Lorraine, Laboratoire d'ingénierie des Biomolecules, 2 avenue de la Forêt de Haye, TSA 40602, 54518 – Vandoeuvre Cedex, France
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Abstract

Poly-lactic acid (PLA) is the most used biopolymer in both biomedical and food packaging fields to replace petrochemical plastics. The surface properties of PLA thin films were studied before and after plasma treatment to enhance its wettability and its adhesive properties. Based on the experimental design, the most significant parameters of the plasma process were specified. The effect of the cold plasma treatment on the mechanical, topographic composition, thermal and barrier properties of the PLA was carried out using different Ar–N2–O2 gas mixture. Results show that the discharge gas can have a significant influence on the chemical composition and the wettability of the PLA surfaces. As the plasma processing is a surface treatment without affecting the bulk properties, it did not change the PLA properties.

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