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<p>As sustainable material continues to gets its importance in the current scenario by emerging as a promising alternative eco-friendly material. The current research work focuses on enhancing the mechanical properties of hybridized kenaf (K), bamboo (B), poly (lactic acid) (PLA) green composite through Taguchi coupled grey rational analysis (GRA) statistical model for identifying the optimized fiber process parameter of different stacking sequence, concentrations of the sodium hydroxide (NaOH) (3%, 5% and 7% weight/volume) and the duration of the chemical treatment (1, 2 and 3&#xa0;h). The ANOVA analysis was performed to confirm the statistical significance of all the parameters selected for the experimental study of mechanical traits in the developed samples. From GRA, the optimum set of conditions for producing superior mechanical characteristics was identified with a stacking sequence of K/B/B/K utilizing a chemical concentration of 5% for a treatment duration of 1&#xa0;h. In addition, a hybrid nano-biocomposite was developed by incorporating various weight percentages of Halloysite nanotubes (HNT) with PLA matrix to the optimized conditions specified. This incorporation of HNT into the PLA matrix has led to a significant enhancement in mechanical properties, with better performance observed at 1.5 wt% HNT loading. Morphological characterizations also confirm the uniform dispersion of HNT throughout the PLA matrix, attributing to strong interfacial adhesion and interaction, thereby enhancing mechanical strength. The study provides a better understanding that fabricating hybrid green nanocomposites with proper process parameters and material combination may lead to better mechanical strength, which can be used for roofing applications in green building structures.</p> Graphical abstract <p></p>

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Influence of nanofiller addition on optimized stacking sequence and chemical process parameters of kenaf/bamboo/PLA hybrid green composites: a study on mechanical and morphological characteristics

  • 期刊论文

  • 发表日期：

    2026年2月20日

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  • Chaiki Malakar,
  • R. Ravivarman

摘要

As sustainable material continues to gets its importance in the current scenario by emerging as a promising alternative eco-friendly material. The current research work focuses on enhancing the mechanical properties of hybridized kenaf (K), bamboo (B), poly (lactic acid) (PLA) green composite through Taguchi coupled grey rational analysis (GRA) statistical model for identifying the optimized fiber process parameter of different stacking sequence, concentrations of the sodium hydroxide (NaOH) (3%, 5% and 7% weight/volume) and the duration of the chemical treatment (1, 2 and 3 h). The ANOVA analysis was performed to confirm the statistical significance of all the parameters selected for the experimental study of mechanical traits in the developed samples. From GRA, the optimum set of conditions for producing superior mechanical characteristics was identified with a stacking sequence of K/B/B/K utilizing a chemical concentration of 5% for a treatment duration of 1 h. In addition, a hybrid nano-biocomposite was developed by incorporating various weight percentages of Halloysite nanotubes (HNT) with PLA matrix to the optimized conditions specified. This incorporation of HNT into the PLA matrix has led to a significant enhancement in mechanical properties, with better performance observed at 1.5 wt% HNT loading. Morphological characterizations also confirm the uniform dispersion of HNT throughout the PLA matrix, attributing to strong interfacial adhesion and interaction, thereby enhancing mechanical strength. The study provides a better understanding that fabricating hybrid green nanocomposites with proper process parameters and material combination may lead to better mechanical strength, which can be used for roofing applications in green building structures.

Graphical abstract