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<p>Mimosa cinerea natural fiber (NFR), ginger waste filler (WF) was incorporated into a Poly(lactic acid) (PLA) matrix to enhance tensile strength (TS), reduce thickness swelling (TSW) property in a corrosive state. The X-ray diffraction (XRD) of WF revealed a 110 plane at 15.8° and a 200 plane at 22.6°, the Fourier-transform infrared spectroscopy (FTIR) identified peaks at 1085&#xa0;cm<sup>− 1</sup> and 1520&#xa0;cm<sup>− 1</sup>, confirming high cellulose content in treated WF. In the compression moulded PLA composites, TS increased from 47.55 to 55.71&#xa0;MPa as NFR content rose from 15 to 25 wt% with a constant 5 wt% WF. Improved hydrogen bonding among hydroxyl groups in NFR and WF contributed to this enhancement. The better combination of NFR (25 wt%), WF (5 wt%), NaOH Surface treatment (ST) (9 wt%), fiber length (LF) (1&#xa0;cm), and 190&#xa0;°C, attained TS of 58.4&#xa0;MPa, 22.1% higher than neat PLA matrix. The WF addition reduced voids between NFR and PLA, lowering TSW in corrosive environments. Surface treatment up to 9 wt% produced a cellulose-rich, rough surface that improved PLA-NFR interaction, enhancing compatibility and increasing both TSW and TS. The better results were identified with NFR (15 wt%), WF (5 wt%), ST (3 wt%), LF (3&#xa0;cm), and 190&#xa0;°C for minimizing TSW in the hybrid PLA composite with 0.3% under corrosive conditions.</p>

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Ginger peel waste cellulose, mimosa cinerea fiber: light weight application with sustainable PLA composites

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年2月4日

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  • Sumesh Keerthiveettil Ramakrishnan,
  • Kavimani Vijayananth,
  • Tatana Vackova

摘要

Mimosa cinerea natural fiber (NFR), ginger waste filler (WF) was incorporated into a Poly(lactic acid) (PLA) matrix to enhance tensile strength (TS), reduce thickness swelling (TSW) property in a corrosive state. The X-ray diffraction (XRD) of WF revealed a 110 plane at 15.8° and a 200 plane at 22.6°, the Fourier-transform infrared spectroscopy (FTIR) identified peaks at 1085 cm− 1 and 1520 cm− 1, confirming high cellulose content in treated WF. In the compression moulded PLA composites, TS increased from 47.55 to 55.71 MPa as NFR content rose from 15 to 25 wt% with a constant 5 wt% WF. Improved hydrogen bonding among hydroxyl groups in NFR and WF contributed to this enhancement. The better combination of NFR (25 wt%), WF (5 wt%), NaOH Surface treatment (ST) (9 wt%), fiber length (LF) (1 cm), and 190 °C, attained TS of 58.4 MPa, 22.1% higher than neat PLA matrix. The WF addition reduced voids between NFR and PLA, lowering TSW in corrosive environments. Surface treatment up to 9 wt% produced a cellulose-rich, rough surface that improved PLA-NFR interaction, enhancing compatibility and increasing both TSW and TS. The better results were identified with NFR (15 wt%), WF (5 wt%), ST (3 wt%), LF (3 cm), and 190 °C for minimizing TSW in the hybrid PLA composite with 0.3% under corrosive conditions.