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Upcycling PVC and PET as Volume-Enhancing Functional Fillers for the Development of High-Performance Bio-Based Rigid Polyurethane Foams

Author

Listed:
  • Princess Claire D. Ochigue

    (Center for Sustainable Polymers, Mindanao State University–Iligan Institute of Technology, Iligan City 9200, Philippines
    Environmental Science Graduate Program, Department of Biological Sciences, Mindanao State University–Iligan Institute of Technology, Iligan City 9200, Philippines)

  • Roger G. Dingcong

    (Center for Sustainable Polymers, Mindanao State University–Iligan Institute of Technology, Iligan City 9200, Philippines)

  • John Christian S. Bondaug

    (Center for Sustainable Polymers, Mindanao State University–Iligan Institute of Technology, Iligan City 9200, Philippines
    Environmental Science Graduate Program, Department of Biological Sciences, Mindanao State University–Iligan Institute of Technology, Iligan City 9200, Philippines
    Main Campus, Mindanao State University, Marawi City 9700, Philippines)

  • Brian Christian G. Magalong

    (Sustainable Resource Engineering Research on Construction Technologies, Mindanao State University–Iligan Institute of Technology, Iligan City 9200, Philippines)

  • Gerard G. Dumancas

    (Honors College, North Carolina A&T State University, 1601 East Market Street, Greensboro, NC 27411, USA
    Department of Chemistry, North Carolina A&T State University, New Science Building, 1601 E. Market Street, Greensboro, NC 27411, USA)

  • Carlo S. Gutierrez

    (Comparative Asian Studies, National University of Singapore, Singapore 11926, Singapore)

  • Arnold C. Alguno

    (Department of Physics, Mindanao State University–Iligan Institute of Technology, Iligan City 9200, Philippines)

  • Roberto M. Malaluan

    (Center for Sustainable Polymers, Mindanao State University–Iligan Institute of Technology, Iligan City 9200, Philippines
    Department of Chemical Engineering and Technology, Mindanao State University–Iligan Institute of Technology, Iligan City 9200, Philippines)

  • Arnold A. Lubguban

    (Center for Sustainable Polymers, Mindanao State University–Iligan Institute of Technology, Iligan City 9200, Philippines
    Department of Chemical Engineering and Technology, Mindanao State University–Iligan Institute of Technology, Iligan City 9200, Philippines)

  • Hernando P. Bacosa

    (Center for Sustainable Polymers, Mindanao State University–Iligan Institute of Technology, Iligan City 9200, Philippines
    Environmental Science Graduate Program, Department of Biological Sciences, Mindanao State University–Iligan Institute of Technology, Iligan City 9200, Philippines)

Abstract

Polyvinyl chloride (PVC) and polyethylene terephthalate (PET) contribute significantly to global plastic waste, with only 9% recycled in recent years. In this work, these plastic wastes were upcycled as functional fillers to improve the rigid polyurethane foam (RPUF) properties. To attain this target, we leveraged the intrinsic polarity of the C=O and C-Cl groups of PVC and PET to induce intermolecular attractions with the N-H groups of the polyurethane matrix, evidenced by the observed IR peak shifts. This enhanced the nucleating effect during foaming, increasing the foams’ compressive strengths by 77% and 22% with the addition of 10% PVC and 5% PET filler, respectively. Furthermore, the addition of PVC and PET fillers increased the foam volume. Thus, the collective utilization of PPW and its corresponding impact on the CO-based RPUF’s properties signifies a reduction in carbon dioxide emissions by 14.15% and 17.52% for PVC and PET, respectively. Moreover, thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC) revealed improved thermal stability and degradation profiles of the produced RPUFs. Overall, this work highlights potential advancement in environmentally responsible upcycling strategies for common end-of-life plastic wastes, while enhancing rigid foam properties.

Suggested Citation

  • Princess Claire D. Ochigue & Roger G. Dingcong & John Christian S. Bondaug & Brian Christian G. Magalong & Gerard G. Dumancas & Carlo S. Gutierrez & Arnold C. Alguno & Roberto M. Malaluan & Arnold A. , 2024. "Upcycling PVC and PET as Volume-Enhancing Functional Fillers for the Development of High-Performance Bio-Based Rigid Polyurethane Foams," Sustainability, MDPI, vol. 16(19), pages 1-19, September.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:19:p:8540-:d:1490069
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    References listed on IDEAS

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    1. Beenu Raj & Jitin Rahul & Pramod K. Singh & Velidandi V. L. Kanta Rao & Jagdish Kumar & Neetu Dwivedi & Pravita Kumar & Diksha Singh & Karol Strzałkowski, 2023. "Advancements in PET Packaging: Driving Sustainable Solutions for Today’s Consumer Demands," Sustainability, MDPI, vol. 15(16), pages 1-32, August.
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