This technical Report summarizes the development and implementation of a recycling process applied on end-of-life (EoL) reclaimed carbon fibers reinforced thermoplastics. Scientific activities are carried out within the REVALUE Project and are considered of primary importance in order to comply the Directive 2000/53/EC that sets out measures to prevent and limit waste from end-of-life vehicles and their components, and ensures that where possible this is reused, recycled or recovered [1]. The proposed recycling process consists in the following steps: comminution of materials by mechanical shredding and milling followed by extrusion and compression moulding. All the experimental activities were carried out in the laboratories of the ENEA Research Centre of Brindisi and composite materials considered for these activities were polypropylene (PP) or polyamide 6 (PA6) reinforced with carbon fibers (rCFs) reclaimed by pyrolysis of decommissioned composite materials. In the first part of this document, the main issues encountered and the results of the activities are highlighted, together with the mass and energy balances of the overall operations, with the aim collect as more as possible information in view of potential scale-up of the process. In the second part the attention is focused on the characterization and analysis of intermediate and final products obtained by implementing the recycling process. The main goal of the characterizations are the validation of the effectiveness of the mechanical recycling process, as well as the learning of mechanical and physical properties of recycled components in view of exploitation of the results. Physical (density, fibre length, glass-transition temperature) as well as mechanical parameters (tensile strength, elastic modulus, Charpy impact energy, storage modulus and loss modulus) are measured and hereafter reported, and discussed.
Development of a recycling process of end-of-life thermoplastics reinforced with reclaimed carbon fibers and characterization of the SO manufactured recycled materials
Donatelli, A.;Caretto, F.;Casciaro, G.;Marciano', T.;Schioppa, M.;Valentino, F.;Nacucchi, M.;De Pascalis, F.;Scalone, A.
2023-01-01
Abstract
This technical Report summarizes the development and implementation of a recycling process applied on end-of-life (EoL) reclaimed carbon fibers reinforced thermoplastics. Scientific activities are carried out within the REVALUE Project and are considered of primary importance in order to comply the Directive 2000/53/EC that sets out measures to prevent and limit waste from end-of-life vehicles and their components, and ensures that where possible this is reused, recycled or recovered [1]. The proposed recycling process consists in the following steps: comminution of materials by mechanical shredding and milling followed by extrusion and compression moulding. All the experimental activities were carried out in the laboratories of the ENEA Research Centre of Brindisi and composite materials considered for these activities were polypropylene (PP) or polyamide 6 (PA6) reinforced with carbon fibers (rCFs) reclaimed by pyrolysis of decommissioned composite materials. In the first part of this document, the main issues encountered and the results of the activities are highlighted, together with the mass and energy balances of the overall operations, with the aim collect as more as possible information in view of potential scale-up of the process. In the second part the attention is focused on the characterization and analysis of intermediate and final products obtained by implementing the recycling process. The main goal of the characterizations are the validation of the effectiveness of the mechanical recycling process, as well as the learning of mechanical and physical properties of recycled components in view of exploitation of the results. Physical (density, fibre length, glass-transition temperature) as well as mechanical parameters (tensile strength, elastic modulus, Charpy impact energy, storage modulus and loss modulus) are measured and hereafter reported, and discussed.| File | Dimensione | Formato | |
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