Contribution à l'étude de la perméabilité des matériaux polymères multicouches pour l'optimisation des réservoirs pour carburants :

Abstract : Fuel tanks are made of a multi-layer polymer barrier to limit fuel emission into the environment. The ultimate objective of this work in collaboration with Arkema is to be able to predict the permeability of this multi-layer barrier for optimizing its structure. After having developed an original automated metrology adapted to barrier materials, the permeability and sorption properties of liquid mixtures Ethanol/i-Octane/Toluene derived from a fuel model were measured for each polymer of the multi-layer barrier, i.e. polyethylene, binder (modified PE), Orgalloy¯-FT104 and EVOH. The modelling of the diffusion laws was then achieved for each material according to a model in which diffusivity varies with the total volume fraction of solvents. The permeability of double-layered films PE/binder was eventually predicted on the basis of the parameters obtained for each mono-layers, which is a key step for the ultimate permeability modelling of multi-layer polymer barriers
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Charbel Kanaan. Contribution à l'étude de la perméabilité des matériaux polymères multicouches pour l'optimisation des réservoirs pour carburants :. Autre. Institut National Polytechnique de Lorraine, 2006. Français. ⟨NNT : 2006INPL052N⟩. ⟨tel-01752550⟩

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