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<p>This study examines the flammability, fatigue, creep, and drilling properties of a composite material reinforced with corn cob biosilica and bamboo fiber, with clove oil as a toughening agent, for potential use in the food packaging industry.A polyester resin was used, along with Methyl ethyl ketone peroxide as a hardener. Biosilica was extracted from corn cob ash using a method involving heating, chemical treatment with NaOH, and pH adjustment with sulfuric acid to produce silica hydrogel, which was then processed into biosilica particles. The composite was fabricated using a hand layup technique, combining resin, clove oil, and biosilica with bamboo fibers.The results indicated that the composite designated as C6, containing 50 vol% bamboo fiber and 5 vol% biosilica, demonstrated superior properties: The composite exhibited the highest fatigue resistance with a maximum stress of 24.3&#xa0;MPa, The composite exhibited the lowest creep strain values of 0.0022 at 2000&#xa0;s and 0.008 at 10,000&#xa0;s, excellent flame retardancy with a propagation speed of 8.14&#xa0;mm/min, and the smallest kerf widths of 4.065&#xa0;mm and 8.081&#xa0;mm for 4&#xa0;mm and 8&#xa0;mm drills, respectively. The initial addition of clove oil, while beneficial for its antimicrobial properties, resulted in a reduction in mechanical performance, which was effectively mitigated by the inclusion of natural reinforcements like bamboo fiber and biosilica. The SEM analysis confirmed improved adhesion between fibers and biosilica particles, enhancing the composite’s overall mechanical performance. These findings suggest that the developed composite materials are suitable for eco-friendly applications in the food packaging industry, offering enhanced durability and safety.</p>

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Role of biomass waste corn cob derived Biosilica on and bamboo fiber with clove oil reinforced polyester composite for food packaging: A characterization study

  • 期刊论文

  • 发表日期：

    2025年12月10日

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  • A Eswaran,
  • R Giri,
  • S. Dhandapani,
  • G Nareshbabu

摘要

This study examines the flammability, fatigue, creep, and drilling properties of a composite material reinforced with corn cob biosilica and bamboo fiber, with clove oil as a toughening agent, for potential use in the food packaging industry.A polyester resin was used, along with Methyl ethyl ketone peroxide as a hardener. Biosilica was extracted from corn cob ash using a method involving heating, chemical treatment with NaOH, and pH adjustment with sulfuric acid to produce silica hydrogel, which was then processed into biosilica particles. The composite was fabricated using a hand layup technique, combining resin, clove oil, and biosilica with bamboo fibers.The results indicated that the composite designated as C6, containing 50 vol% bamboo fiber and 5 vol% biosilica, demonstrated superior properties: The composite exhibited the highest fatigue resistance with a maximum stress of 24.3 MPa, The composite exhibited the lowest creep strain values of 0.0022 at 2000 s and 0.008 at 10,000 s, excellent flame retardancy with a propagation speed of 8.14 mm/min, and the smallest kerf widths of 4.065 mm and 8.081 mm for 4 mm and 8 mm drills, respectively. The initial addition of clove oil, while beneficial for its antimicrobial properties, resulted in a reduction in mechanical performance, which was effectively mitigated by the inclusion of natural reinforcements like bamboo fiber and biosilica. The SEM analysis confirmed improved adhesion between fibers and biosilica particles, enhancing the composite’s overall mechanical performance. These findings suggest that the developed composite materials are suitable for eco-friendly applications in the food packaging industry, offering enhanced durability and safety.