Controlling the Physical Properties of DLP 3D Printed Biomass-driven Resin through Formulation Optimization and Post-Curing
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This research focuses on developing and optimizing DLP 3D printed biomass-derived resins, specifically using acrylated epoxide soybean oil (AESO) as a build oligomer. AESO-based resins generally exhibit high viscosity due to their high molecular weight, posing challenges for 3D printing. We explored various mixing ratios of biomass-derived AESO resin formulations to maintain viscosity below 5,000 cP. By analyzing cross-linking structures, we identified an optimal formulation that balances mechanical properties such as strength and strain. We also examined the effects of different post-curing processes on these properties. Our findings highlight the importance of formulation and post-curing in achieving desirable material characteristics, offering valuable insights for high-performance, biomass-driven 3D printing resins.