Naturally sourced epoxies for High-performance composite applications
A feasibility study of renewable algae-derived epoxy resin system
P. Gupta (TU Delft - Aerospace Engineering)
B. Kumru – Coach (TU Delft - Aerospace Engineering)
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Abstract
Composite materials have revolutionized the world as we know it, but along the way, we have transformed that world, which is changing and suffering from global warming. This thesis explores the potential of bio-based resins for high-performance composite applications, focusing on a bio-based epoxy derived from brown algae, PHTE. The research investigates the feasibility of PHTE to replace BADGE epoxy, a bisphenol-A-based toxic and synthetic fossil-fuel-derived epoxy that comprises a major portion of aerospace composites. The study involved comprehensive material analysis and testing, including an examination of thermal, physical, and mechanical performance and a comparison of both systems. PHTE demonstrated excellent mechanical and thermal properties with high bio-based content, although its high viscosity posed challenges for traditional manual manufacturing techniques, especially composite manufacturing. The promising properties motivates to study and develop the recipe further for other high-performance applications as well apart from aerospace.