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<p>The study explores the potential of natural fiber-reinforced composites as a sustainable solution for bio-based products, specifically focusing on the synergistic effects of sisal fiber and nitrile butadiene rubber for various industrial applications. The composites were prepared using a simple industry-viable melt mixing technique and were characterized through different techniques. The NBSF<sub>40</sub> composites show optimal tensile strength, thermal behavior, cross-link density, and aspect ratio, indicating superior adhesion and compatibility amongst fibers and rubber. The small-angle X-ray scattering (SAXS) and high-resolution X-ray diffractometer (HR-XRD) techniques showed that the crystalline nature increased significantly in the composites with increased sisal fiber content. The HR-XRD technique revealed two distinct peaks at 2θ values of 15.1° and 22.9° from the crystalline cellulose phase of sisal fiber. The NBSF<sub>40</sub> composites showed optimum tensile strength and mechanical hardness values of 3.80&#xa0;MPa and 88 Shore A, respectively. Among all the composites, the NBSF<sub>40</sub> composite showed the optimum initial and final decomposition temperatures of 288&#xa0;°C and 514&#xa0;°C, respectively. The aspect ratio and crosslink density were also investigated, with ideal values of 12.64 and 5.10&#xa0;mol/cm<sup>3</sup> × 10<sup>−4</sup> for the NBSF<sub>40</sub> composites having 40 phr of fiber loading. These findings indicate favorable characteristics and potential for industrial applications with bio-based materials to solve issues related to environmental sustainability.</p>

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An investigation on sisal fiber reinforced nitrile butadiene rubber composites

  • 期刊论文

  • 发表日期：

    2025年11月3日

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  • Souvik Das,
  • Jasomati Nayak,
  • Palash Das,
  • Narayan Ch. Das,
  • Debasish Das

摘要

The study explores the potential of natural fiber-reinforced composites as a sustainable solution for bio-based products, specifically focusing on the synergistic effects of sisal fiber and nitrile butadiene rubber for various industrial applications. The composites were prepared using a simple industry-viable melt mixing technique and were characterized through different techniques. The NBSF40 composites show optimal tensile strength, thermal behavior, cross-link density, and aspect ratio, indicating superior adhesion and compatibility amongst fibers and rubber. The small-angle X-ray scattering (SAXS) and high-resolution X-ray diffractometer (HR-XRD) techniques showed that the crystalline nature increased significantly in the composites with increased sisal fiber content. The HR-XRD technique revealed two distinct peaks at 2θ values of 15.1° and 22.9° from the crystalline cellulose phase of sisal fiber. The NBSF40 composites showed optimum tensile strength and mechanical hardness values of 3.80 MPa and 88 Shore A, respectively. Among all the composites, the NBSF40 composite showed the optimum initial and final decomposition temperatures of 288 °C and 514 °C, respectively. The aspect ratio and crosslink density were also investigated, with ideal values of 12.64 and 5.10 mol/cm3 × 10−4 for the NBSF40 composites having 40 phr of fiber loading. These findings indicate favorable characteristics and potential for industrial applications with bio-based materials to solve issues related to environmental sustainability.