Bio-based Products for Novel Engineering Materials from Epoxy Resin with Modified Epoxide Natural Rubber and Nanocellulose
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Abstract
Bio-based products for new engineered materials from modified epoxide natural rubber (ENR 50) with epoxy resins and nanocellulose were investigated. Nanocellulose from eucalyptus wood cellulose, and ENR modified from natural rubber (NR) are renewable natural crop resources and are considered green materials. NR has excellent mechanical properties, a low cost, and has potential to partly substitute for polymers obtained from petroleum refining. Nanocomposites (epoxy resin/ ENR 50/ nanoparticles) were characterized with Fourier transform infrared spectroscopy (FTIR), dynamic light scattering (DLS), atomic force microscopy (AFM), and scanning electron microscopy (SEM). Effects of filler nanoparticle loading on mechanical properties (impact and tensile strengths) and thermal properties by thermal gravimetric analysis (TGA) were assessed. The result show that, the nanoparticles contributed to the highest mechanical and thermal properties among the cases tested, obtained at 0.75 parts per hundred parts of resin. Impact strength was improved to 129% of baseline (14.94 kJ/m2) due to the good dispersion in epoxy resin matrix giving good energy absorption and distribution in the composite. The bio-based products for new engineering materials from epoxy resin modified with epoxide natural rubber and nanocellulose can be applied in propellers for drones and wind turbine.
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