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Plastic Waste Valorization for Fused Deposition Modeling Feedstock: A Case Study on Recycled Polyethylene Terephthalate/High-Density Polyethylene Sustainability

Author

Listed:
  • Amira Ragab

    (Faculty of Engineering and Materials Science, German University in Cairo, Cairo 11835, Egypt)

  • Rana Elazhary

    (Faculty of Engineering and Materials Science, German University in Cairo, Cairo 11835, Egypt)

  • Siegfried Schmauder

    (Institute for Materials Testing, Materials Science and Strength of Materials, University of Stuttgart, 70569 Stuttgart, Germany)

  • Amna Ramzy

    (Faculty of Engineering and Materials Science, German University in Cairo, Cairo 11835, Egypt)

Abstract

In this study, material development, characterization, and sustainability assessment are performed on blends from recycled post-consumer commodity plastics for fused deposition modeling (FDM) filament extrusion. A recycled polyethylene terephthalate (rPET) and high-density polyethylene (rHDPE) blend 80:20 ratio is modified using three different methods: compatibilization with Maleic Anhydride, surface functionalization of PET with sodium dodecyl sulphate (SDS), and hybridization by combination of the two methods which is a novel approach. The selected blends were reinforced with chopped glass fibers and characterized. The printability of blends was assessed, and the dimensional accuracy of the prints was calculated. In addition, a cost estimation and comparison between the developed blends and the commercially available FDM filaments was carried out. Finally, life cycle assessment (LCA) was conducted for each prepared blend to facilitate the decision of the optimum blend in relation to mechanical properties and environmental performance and hence correlate the material, economic, and sustainability advantages.

Suggested Citation

  • Amira Ragab & Rana Elazhary & Siegfried Schmauder & Amna Ramzy, 2023. "Plastic Waste Valorization for Fused Deposition Modeling Feedstock: A Case Study on Recycled Polyethylene Terephthalate/High-Density Polyethylene Sustainability," Sustainability, MDPI, vol. 15(18), pages 1-22, September.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:18:p:13291-:d:1233085
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    References listed on IDEAS

    as
    1. Amira Ragab & Amna Ramzy, 2023. "Cradle-to-Gate Life Cycle Assessment of Bottle-to-Bottle Recycling Plant: Case Study," Progress in IS, in: Volker Wohlgemuth & Stefan Naumann & Grit Behrens & Hans-Knud Arndt & Maximilian Höb (ed.), Advances and New Trends in Environmental Informatics, pages 3-15, Springer.
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