Studies on epoxy-coated waste fishing nets for exploration as reinforcement in cementitious composite

Comprehensive investigations have been carried out to understand the chemical resistance of nylon-based waste fishing nets for use as reinforcement in cementitious composites. The study has aimed to promote a circular economy by converting waste fishing nets into construction materials. Epoxy coatings have been applied to two types of waste fishing nets, and characterization studies have been conducted. Chemical characterization has involved exposing coated and uncoated nets to alkali solutions to simulate the cementitious environment. Advanced techniques, including scanning electron microscopy (SEM), thermogravimetric analysis (TGA), and Fourier transform infrared spectroscopy (FTIR), have been used to assess morphological and elemental changes before and after alkali exposure. Uniaxial tensile tests have been performed to evaluate the influence of epoxy coating on mechanical properties and its suitability for reinforcement. Coated nets have shown minimal degradation compared to uncoated ones, with damage primarily involving the formation and expansion of etch holes. The tensile response of coated nets has demonstrated promising strength, stiffness, and strain values, qualifying them for reinforcement applications. The findings suggest that epoxy-coated waste fishing nets offer a durable and sustainable alternative for cementitious composites, supporting the broader goal of waste recycling in construction.