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Recycling of Nonwoven Waste Resulting from the Manufacturing Process of Hemp Fiber-Reinforced Recycled Polypropylene Composites for Upholstered Furniture Products

Author

Listed:
  • Mariana Ichim

    (Faculty of Industrial Design and Business Management, Gheorghe Asachi Technical University of Iasi, 29 Prof. Dr. Doc. D. Mangeron Blvd, 700050 Iasi, Romania)

  • Ioan Filip

    (Taparo Company SA, 198 Borcut Street, 435600 Târgu Lăpuș, Romania)

  • Lucia Stelea

    (Taparo Company SA, 198 Borcut Street, 435600 Târgu Lăpuș, Romania)

  • Gabriela Lisa

    (“Cristofor Simionescu” Faculty of Chemical Engineering and Environmental Protection, Gheorghe Asachi Technical University of Iasi, 73 Prof. Dr. Doc. D. Mangeron Blvd, 700050 Iasi, Romania)

  • Emil Ioan Muresan

    (“Cristofor Simionescu” Faculty of Chemical Engineering and Environmental Protection, Gheorghe Asachi Technical University of Iasi, 73 Prof. Dr. Doc. D. Mangeron Blvd, 700050 Iasi, Romania)

Abstract

Waste recycling is a solution that reduces the environmental impact of waste landfilling or incineration. The aim of this paper is to investigate both the effect of incorporating recycled fibers obtained by defibrating 50/50 hemp/rPP nonwoven waste and the effect of the compatibilizer on the properties of composite materials. Composites incorporating 50% and 100% recycled fibers were treated with 2.5% and 5% maleated polypropylene (MAPP), respectively, and compared to both the untreated composites and the composite obtained by thermoforming from the nonwovens that generated the waste. The incorporation of 50% and 100% recycled fibers into composites decreased the tensile strength by 17.1–22.6%, the elongation at break by 12.4–20.1%, the flexural strength by 6.6–9%, and flexural modulus by 10.3–37%. The addition of 5% MAPP showed the greatest improvements in mechanical properties of composites containing 100% recycled fibers, as follows: 19.2% increase in tensile strength, 3.8% increase in flexural strength, and 14.8% increase in flexural modulus. Thermal analysis established that at temperatures ranging between 20 °C and 120 °C, the composites were thermally stable. SEM analysis revealed good coverage of the reinforcing fibers, and EDX analysis confirmed the presence of the compatibilizing agent in the structure of the composite material.

Suggested Citation

  • Mariana Ichim & Ioan Filip & Lucia Stelea & Gabriela Lisa & Emil Ioan Muresan, 2023. "Recycling of Nonwoven Waste Resulting from the Manufacturing Process of Hemp Fiber-Reinforced Recycled Polypropylene Composites for Upholstered Furniture Products," Sustainability, MDPI, vol. 15(4), pages 1-20, February.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:4:p:3635-:d:1070465
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    References listed on IDEAS

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    1. Emilia Ciupan & Cornel Ciupan & Emilia-Maria Câmpean & Lucia Stelea & Cecilia-Elena Policsek & Florin Lungu & Daniela-Corina Jucan, 2018. "Opportunities of Sustainable Development of the Industry of Upholstered Furniture in Romania. A Case Study," Sustainability, MDPI, vol. 10(9), pages 1-18, September.
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    Cited by:

    1. Monika Mali & Khandoker Samaher Salem & Roman Sarder & Sachin Agate & Kavita Mathur & Lokendra Pal, 2024. "Understanding Binding of Quaternary Ammonium Compounds with Cellulose-Based Fibers and Wipes for Renewable and Sustainable Hygiene Options," Sustainability, MDPI, vol. 16(4), pages 1-14, February.

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