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<p>This study investigates the potential of repurposing recycled high-density polyethylene (rHDPE) from used beverage bottles into sustainable composites reinforced with 70/30 jute-cotton fabric. The composites were fabricated using a hand layup technique followed by compression molding, with two variants: untreated and bleached fabric reinforcement. Mechanical, thermal, and morphological analyses revealed that the bleached fabric composite exhibited superior tensile (45.38&#xa0;MPa) and flexural (46.46&#xa0;MPa) strengths, representing improvements of 131.63% and 2.54%, respectively, over neat rHDPE. The untreated fabric composite demonstrated exceptional impact resistance (34.79&#xa0;kJ/m<sup>2</sup>); a 204.74% increase compared to pure rHDPE. Thermal stability was enhanced in both composites, with higher degradation temperatures and residual mass observed. Scanning electron microscopy confirmed improved fiber-matrix adhesion in the bleached fabric composite, minimizing voids and fiber pull-out. This work presents a novel approach by combining jute-cotton fabric with rHDPE, offering a sustainable alternative for industrial applications while addressing plastic waste management. The findings underscore the viability of recycled polymer composites as eco-friendly materials with competitive mechanical performance.</p>

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Mechanical, Thermal, and Morphological Analysis of Recycled High-Density Polyethylene (HDPE) Composites Reinforced with Jute-Cotton Fabric

  • 期刊论文

  • 发表日期：

    2025年6月30日

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  • Arifur Rahman,
  • Hasan Mazharul Haq,
  • Hitu Biswas,
  • Md. Abdus Sabur

摘要

This study investigates the potential of repurposing recycled high-density polyethylene (rHDPE) from used beverage bottles into sustainable composites reinforced with 70/30 jute-cotton fabric. The composites were fabricated using a hand layup technique followed by compression molding, with two variants: untreated and bleached fabric reinforcement. Mechanical, thermal, and morphological analyses revealed that the bleached fabric composite exhibited superior tensile (45.38 MPa) and flexural (46.46 MPa) strengths, representing improvements of 131.63% and 2.54%, respectively, over neat rHDPE. The untreated fabric composite demonstrated exceptional impact resistance (34.79 kJ/m2); a 204.74% increase compared to pure rHDPE. Thermal stability was enhanced in both composites, with higher degradation temperatures and residual mass observed. Scanning electron microscopy confirmed improved fiber-matrix adhesion in the bleached fabric composite, minimizing voids and fiber pull-out. This work presents a novel approach by combining jute-cotton fabric with rHDPE, offering a sustainable alternative for industrial applications while addressing plastic waste management. The findings underscore the viability of recycled polymer composites as eco-friendly materials with competitive mechanical performance.