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<p>In the present investigation, the impact of bio-origin calcium carbonate (chicken eggshell) on the mechanical and thermal properties of binary epoxy/LDH nanocomposites was studied. The ternary nanocomposites of epoxy/LDH/bio-origin CaCO<sub>3</sub> were prepared by using Slurry-compounding technique, and the zeta potential results indicate that the average size of bio-origin CaCO<sub>3</sub> is around 125–185&#xa0;nm. Tensile strength data clearly shows that 5.0&#xa0;wt% bio-origin calcium carbonate (bio-origin CaCO<sub>3</sub>) concentrations in epoxy matrix showed optimum improvement in the tensile strength, impact resistance and toughness as compared to the virgin epoxy resin and other nanocomposites. The thermal properties of the nanocomposite system were also found to be maximum for the same concentration. The morphology of the nanocomposites shows superior bonding between the bio-nanofiller and epoxy resin, thus leading to an improvement of the mechanical properties at the same concentration (5.0&#xa0;wt%).</p>

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Impact of bio-filler concentration on the thermal and mechanical properties of epoxy nanocomposites

  • 期刊论文

  • 发表日期：

    2025年4月25日

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  • Atul A Patil,
  • Priyanka S Shisode,
  • Anil S Patil,
  • Amol A Patil,
  • Pramod P Mahulikar,
  • Chetan B Patil

摘要

In the present investigation, the impact of bio-origin calcium carbonate (chicken eggshell) on the mechanical and thermal properties of binary epoxy/LDH nanocomposites was studied. The ternary nanocomposites of epoxy/LDH/bio-origin CaCO3 were prepared by using Slurry-compounding technique, and the zeta potential results indicate that the average size of bio-origin CaCO3 is around 125–185 nm. Tensile strength data clearly shows that 5.0 wt% bio-origin calcium carbonate (bio-origin CaCO3) concentrations in epoxy matrix showed optimum improvement in the tensile strength, impact resistance and toughness as compared to the virgin epoxy resin and other nanocomposites. The thermal properties of the nanocomposite system were also found to be maximum for the same concentration. The morphology of the nanocomposites shows superior bonding between the bio-nanofiller and epoxy resin, thus leading to an improvement of the mechanical properties at the same concentration (5.0 wt%).