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Développement de films extrudés à propriétés spécifiques grâce aux technologies de traitement de surfaces : fluoration, plasma et combinaisons

Abstract : Currently, polymeric materials are currently well-recognized as essential elements of our daily life due to the advantages that they exhibit, in which they can replace the originally natural products. However, the use of these materials for packaging applications has still significant drawbacks. The interest of research on polymeric materials is potentially required in order to provide a good compromise of properties such as printability, gas barrier and machinability. Aims are to follow the new regulations, laws, but also societal phenomena and industrial phenomena.In this study, surface treatments were directly applied on material polymers dedicated to packaging applications. Plasma treatments, relatively well mastered, were combined with original fluorination processes. In comparison, direct fluorination was effectively used to increase polymer properties. Each treatment and their combination were carried out with various intrinsic parameters under control to adjust both surface morphology and surface composition of treated polymers according to targeted film properties.Spectroscopic characterizations were first monitored to identify the mechanisms associated with each treatment (alone or in combination). Surface morphology was also observed on standard microscopic techniques. The resulting properties and their long-termed stability were carried. These studies highlight the effectiveness of those treatments to improve the current properties of packaging films and stability: including printability, and barrier properties.
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  • HAL Id : tel-02918117, version 1

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Jérémy Peyroux. Développement de films extrudés à propriétés spécifiques grâce aux technologies de traitement de surfaces : fluoration, plasma et combinaisons. Matériaux. Université Blaise Pascal - Clermont-Ferrand II, 2015. Français. ⟨NNT : 2015CLF22547⟩. ⟨tel-02918117⟩

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