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The purpose of this study was toRice Husk Ash (RHA) develop biodegradable PBAT/PLAPBAT/PLA packaging that promotes the circular economy by incorporating plant wastesWaste from the agro-industry, contributing to environmental conservation, maximizing the use of resources, and reducing the dependence on non-renewable resources. In this study, compositesComposites based on PBAT/PLAPBAT/PLA, lignin (LIGLIG), and rice husk ash (RHARice Husk Ash (RHA)) were prepared. First, using electron beam irradiationElectron beam irradiation at 30, 60 and 90 KGy, the LIGLIG was modified. Then, the LIGLIG, irradiated LIGLIG, and RHARice Husk Ash (RHA) were incorporated into a PBAT/PLAPBAT/PLA blend using a twin-screw extruder. Filaments produced were 3D printed by Fused Deposition Modeling (FDM). Non-irradiated and irradiated LIGLIG were characterized by FTIR and XRDX-ray Diffraction (XRD) analysis. The compositeComposites samples were characterized by tensile testTensile test, SEMScanning Electron Microscopy (SEM) and XRDX-ray Diffraction (XRD) analysis. According to the results, the incorporation of 5 wt.% of irradiated LIGLIG and 5 wt.% of RHARice Husk Ash (RHA) into PBAT/PLAPBAT/PLA blend and 3D printing3D printing led to the obtaining of compositesComposites with suitable properties for several industrial applications.

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Application of Irradiated Lignin and Rice Husk Ash as Green Sustainable Fillers for Biocomposites

  • 会议论文

  • 发表日期：

    2025年

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  • Lourdes Yataco-Lazaro,
  • Gustavo Souza,
  • Rene Oliveira,
  • Vijaya Rangari,
  • Deepa Kodali,
  • Esperidiana Moura

摘要

The purpose of this study was toRice Husk Ash (RHA) develop biodegradable PBAT/PLAPBAT/PLA packaging that promotes the circular economy by incorporating plant wastesWaste from the agro-industry, contributing to environmental conservation, maximizing the use of resources, and reducing the dependence on non-renewable resources. In this study, compositesComposites based on PBAT/PLAPBAT/PLA, lignin (LIGLIG), and rice husk ash (RHARice Husk Ash (RHA)) were prepared. First, using electron beam irradiationElectron beam irradiation at 30, 60 and 90 KGy, the LIGLIG was modified. Then, the LIGLIG, irradiated LIGLIG, and RHARice Husk Ash (RHA) were incorporated into a PBAT/PLAPBAT/PLA blend using a twin-screw extruder. Filaments produced were 3D printed by Fused Deposition Modeling (FDM). Non-irradiated and irradiated LIGLIG were characterized by FTIR and XRDX-ray Diffraction (XRD) analysis. The compositeComposites samples were characterized by tensile testTensile test, SEMScanning Electron Microscopy (SEM) and XRDX-ray Diffraction (XRD) analysis. According to the results, the incorporation of 5 wt.% of irradiated LIGLIG and 5 wt.% of RHARice Husk Ash (RHA) into PBAT/PLAPBAT/PLA blend and 3D printing3D printing led to the obtaining of compositesComposites with suitable properties for several industrial applications.