Valorization of basalt and glass fibres from vacuum infused acrylate-based composites by coupling mechanical and dissolution recycling pathways - IMT Mines Alès
Article Dans Une Revue Sustainable Materials and Technologies Année : 2024

Valorization of basalt and glass fibres from vacuum infused acrylate-based composites by coupling mechanical and dissolution recycling pathways

Résumé

This work aims to couple two recycling pathways, i.e., a conventional mechanical recycling by grinding/sieving and resin dissolution in the case of vacuum infused Elium©/glass fabrics or Elium©/basalt fabrics composites. Quasi-static (tensile and bending) and dynamic (DMA) properties are evaluated on polyamide-6 (PA6) extruded specimens containing these recyclates, that underwent or not a dissolution in acetone. Commercial short glass and basalt fibres were used as a reference compared to waste products. Results show that the coupling allows to increase the fibre content in PA6 composites preserving a good interfacial adhesion, compared to a simple grinding process without dissolution. Tensile and flexural mechanical properties of the second-generation composites are increased. There is almost no variation in fibre length when comparing the reference, grinding alone and grinding/dissolved fibres. DMA allows to observe that in the case of short fibres within PA6, there is an increase of loss modulus especially.

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Matériaux
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Dates et versions

hal-04700859 , version 1 (18-09-2024)

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Inès Meyer zu Reckendorf, Anne Bergeret, Perrin Didier, Clément Lacoste, K. Morand. Valorization of basalt and glass fibres from vacuum infused acrylate-based composites by coupling mechanical and dissolution recycling pathways. Sustainable Materials and Technologies, 2024, 41, pp.e01113. ⟨10.1016/j.susmat.2024.e01113⟩. ⟨hal-04700859⟩
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