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Développement de mélanges à base de polylactide à durée de vie contrôlée. Étude des relations microstructure / propriétés / mise en œuvre

Abstract : This study is a part of a global research program aiming at developing innovative bio-composites based on biodegradable matrix (poly-lactide, poly-epsilon-caprolactone (PCL) and poly-butylen-succinate (PBS)) with controlled mechanical properties and life times in different weathering conditions. Besides, the blend end of life fragmentation are also studied. Different aspects of this global research program are developed in this study:
- impact resistance improvement of poly-lactide P(L)LA through the incorporation of impact modifiers and/or low Young modulus polymers (PCL and PBS). Besides, for polyesters blends, two compatibilization techniques have been used.
- the incorporation of polycondensation agents and photo-crosslinkings under gamma rays.
- study of weathering resistance (hydrolysis, thermal oxidation and photo-ageing) of systems having the best impact properties/end-of-life fragmentation control of the best systems using oxidation catalysts.
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https://pastel.archives-ouvertes.fr/pastel-00677093
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Submitted on : Wednesday, March 7, 2012 - 11:20:34 AM
Last modification on : Wednesday, June 24, 2020 - 4:19:08 PM
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  • HAL Id : pastel-00677093, version 1

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Vincente Berthé. Développement de mélanges à base de polylactide à durée de vie contrôlée. Étude des relations microstructure / propriétés / mise en œuvre. Matériaux. École Nationale Supérieure des Mines de Paris, 2010. Français. ⟨NNT : 2010ENMP0076⟩. ⟨pastel-00677093⟩

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