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Production of Eco-Sustainable Materials: Compatibilizing Action in Poly (Lactic Acid)/High-Density Biopolyethylene Bioblends

Author

Listed:
  • Eduardo da Silva Barbosa Ferreira

    (Department of Materials Engineering, Federal University of Campina Grande, Campina Grande 58429-900, Brazil)

  • Carlos Bruno Barreto Luna

    (Department of Materials Engineering, Federal University of Campina Grande, Campina Grande 58429-900, Brazil)

  • Danilo Diniz Siqueira

    (Department of Materials Engineering, Federal University of Campina Grande, Campina Grande 58429-900, Brazil)

  • Edson Antonio dos Santos Filho

    (Department of Materials Engineering, Federal University of Campina Grande, Campina Grande 58429-900, Brazil)

  • Edcleide Maria Araújo

    (Department of Materials Engineering, Federal University of Campina Grande, Campina Grande 58429-900, Brazil)

  • Renate Maria Ramos Wellen

    (Department of Materials Engineering, Federal University of Paraíba, João Pessoa 58051-085, Brazil)

Abstract

Motivated by environment preservation, the increased use of eco-friendly materials such as biodegradable polymers and biopolymers has raised the interest of researchers and the polymer industry. In this approach, this work aimed to produce bioblends using poly (lactic acid) (PLA) and high-density biopolyethylene (BioPE); due to the low compatibility between these polymers, this work evaluated the additional influence of the compatibilizing agents: poly (ethylene octene) and ethylene elastomer grafted with glycidyl methacrylate (POE-g-GMA and EE-g-GMA, respectively), polyethylene grafted with maleic anhydride (PE-g-MA), polyethylene grafted with acrylic acid (PE-g-AA) and the block copolymer styrene (ethylene-butylene)-styrene grafted with maleic anhydride (SEBS-g-MA) to the thermal, mechanical, thermomechanical, wettability and morphological properties of PLA/BioPE. Upon the compatibilizing agents’ addition, there was an increase in the degree of crystallinity observed by DSC (2.3–7.6% related to PLA), in the thermal stability as verified by TG (6–15 °C for T D10% , 6–11 °C T D50% and 112–121 °C for T D99.9% compared to PLA) and in the mechanical properties such as elongation at break (with more expressive values for the addition of POE-g-GMA and SEBS-g-MA, 9 and 10%, respectively), tensile strength (6–19% increase compared to PLA/BioPE bioblend) and a significant increase in impact strength, with evidence of plastic deformation as observed through SEM, promoted by the PLA/ BioPE phases improvement. Based on the gathered data, the added compatibilizers provided higher performing PLA/BioPE. The POE-g-GMA compatibilizer was considered to provide the best properties in relation to the PLA/BioPE bioblend, as well as the PLA matrix, mainly in relation to impact strength, with an increase of approximately 133 and 100% in relation to PLA and PLA/BioPE bioblend, respectively. Therefore, new ecological materials can be manufactured, aiming at benefits for the environment and society, contributing to sustainable development and stimulating the consumption of eco-products.

Suggested Citation

  • Eduardo da Silva Barbosa Ferreira & Carlos Bruno Barreto Luna & Danilo Diniz Siqueira & Edson Antonio dos Santos Filho & Edcleide Maria Araújo & Renate Maria Ramos Wellen, 2021. "Production of Eco-Sustainable Materials: Compatibilizing Action in Poly (Lactic Acid)/High-Density Biopolyethylene Bioblends," Sustainability, MDPI, vol. 13(21), pages 1-17, November.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:21:p:12157-:d:671756
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    References listed on IDEAS

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    1. Carlos Bruno Barreto Luna & Danilo Diniz Siqueira & Eduardo da Silva Barbosa Ferreira & Wallisson Alves da Silva & Jessika Andrade dos Santos Nogueira & Edcleide Maria Araújo, 2020. "From Disposal to Technological Potential: Reuse of Polypropylene Waste from Industrial Containers as a Polystyrene Impact Modifier," Sustainability, MDPI, vol. 12(13), pages 1-21, June.
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    Cited by:

    1. Su-Ju Lu & Ya-Hui Chen & Hazel Huang & Ying-Chieh Liu, 2022. "The Role of Digital-Media-Based Pedagogical Aids in Elementary Entomology: An Innovative and Sustainable Approach," Sustainability, MDPI, vol. 14(16), pages 1-14, August.

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