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<p>The growing demand for eco-friendly materials has shifted focus towards natural fibers as reinforcement alternatives in composite manufacturing. Despite synthetic fiber’s superior mechanical properties, natural fibers offer a sustainable solution. This research explores the potential of oxalic acid modified areca inflorescence biofibers in unsaturated polyester resin composites, examining the impression of fiber content and length on thermal, mechanical, and morphological properties. The bio-composite with 30% weight and 5&#xa0;mm length biofibers demonstrated exceptional mechanical strength, particularly in tensile performance (66.14&#xa0;MPa). Further enhancements were achieved by increasing fiber length to 15&#xa0;mm, boosting tensile (69.79&#xa0;MPa), flexural (61.44&#xa0;MPa), hardness (77 HRR), and impact (5.89&#xa0;J/cm<sup>2</sup>) properties. Advanced characterization practices, including X-ray diffraction and scanning electron microscopy, validated the bio-composite’s suitability for industrial applications with crystallinity index of 51%, crystallite size of 13.1&#xa0;nm and better interaction between reinforcement and matrix. Optimized fiber loading and length yielded a hydrophobic (6.3%), low-density (1.13&#xa0;g/cm³) bio-composite with heat resistance (176&#xa0;°C), making it an attractive material for packaging, aerospace and automotive components. This sustainable composite offers a promising replacement for traditional synthetic fiber-reinforced materials, aligning with the growing need for environmentally responsible manufacturing practices.</p>

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Modelling cum optimization of fiber length, content and mechanical properties of oxalic acid modified Areca Catechu inflorescence fiber reinforced biocomposites: fabricated bio-product for packaging applications

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年7月28日

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  • Srinivas Arabilachi,
  • Sreenivasa Challakere Govindappa,
  • Bharath Kurki Nagaraj,
  • Bright Brailson Mansingh,
  • Joseph Selvi Binoj,
  • Senthil Muthu Kumar Thiagamani

摘要

The growing demand for eco-friendly materials has shifted focus towards natural fibers as reinforcement alternatives in composite manufacturing. Despite synthetic fiber’s superior mechanical properties, natural fibers offer a sustainable solution. This research explores the potential of oxalic acid modified areca inflorescence biofibers in unsaturated polyester resin composites, examining the impression of fiber content and length on thermal, mechanical, and morphological properties. The bio-composite with 30% weight and 5 mm length biofibers demonstrated exceptional mechanical strength, particularly in tensile performance (66.14 MPa). Further enhancements were achieved by increasing fiber length to 15 mm, boosting tensile (69.79 MPa), flexural (61.44 MPa), hardness (77 HRR), and impact (5.89 J/cm2) properties. Advanced characterization practices, including X-ray diffraction and scanning electron microscopy, validated the bio-composite’s suitability for industrial applications with crystallinity index of 51%, crystallite size of 13.1 nm and better interaction between reinforcement and matrix. Optimized fiber loading and length yielded a hydrophobic (6.3%), low-density (1.13 g/cm³) bio-composite with heat resistance (176 °C), making it an attractive material for packaging, aerospace and automotive components. This sustainable composite offers a promising replacement for traditional synthetic fiber-reinforced materials, aligning with the growing need for environmentally responsible manufacturing practices.