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<p>Growing environmental consciousness about the need to replace nonbiodegradable materials with biodegradable ones has prompted several researchers to examine a wide range of bio-based materials for a variety of purposes. <i>Hibiscus engleri</i> is a plant that grows naturally in dry regions and is valued for its superior fiber. This work investigated the potential of a newly discovered <i>H. engleri</i> plant stem cellulosic fiber as a polymer composite reinforcing material. The test findings showed that <i>H. engleri</i> fiber had a density of 1150&#xa0;kg/m<sup>3</sup>, demonstrating its lightweight nature. According to the results of the X-ray diffraction analysis investigation, <i>H. engleri</i> fiber was found to have a crystallinity index of 57.64% and a crystallite size of 6.08&#xa0;nm. The thermogravimetric analysis revealed remarkable stability, with a char residue of 43.74% and a maximum degradation temperature of 352&#xa0;°C. The <i>H. engleri</i> fiber was examined using a scanning electron microscope, which indicated that it had a very high coarse fracture surface with pores. The results of the experiment showed that the stem fibers of the <i>H. engle</i>ri plant had characteristics that make them appropriate for use as reinforcement in the production of a biocomposite with potential applications.</p>

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Characterization of novel cellulosic fiber extracted from Hibiscus engleri stem for reinforcement in polymer composites

  • 期刊论文

  • 发表日期：

    2025年12月10日

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  • Bhuvaneshwaran Mylsamy,
  • J. Venkatesh,
  • P. Senthamaraikannan,
  • Indran Suyambulingam

摘要

Growing environmental consciousness about the need to replace nonbiodegradable materials with biodegradable ones has prompted several researchers to examine a wide range of bio-based materials for a variety of purposes. Hibiscus engleri is a plant that grows naturally in dry regions and is valued for its superior fiber. This work investigated the potential of a newly discovered H. engleri plant stem cellulosic fiber as a polymer composite reinforcing material. The test findings showed that H. engleri fiber had a density of 1150 kg/m3, demonstrating its lightweight nature. According to the results of the X-ray diffraction analysis investigation, H. engleri fiber was found to have a crystallinity index of 57.64% and a crystallite size of 6.08 nm. The thermogravimetric analysis revealed remarkable stability, with a char residue of 43.74% and a maximum degradation temperature of 352 °C. The H. engleri fiber was examined using a scanning electron microscope, which indicated that it had a very high coarse fracture surface with pores. The results of the experiment showed that the stem fibers of the H. engleri plant had characteristics that make them appropriate for use as reinforcement in the production of a biocomposite with potential applications.