Real-time cure monitoring of bio-based resin composites reinforced with natural and glass fibers

Bio-based composites are sustainable and environmentally friendly alternatives to traditional petroleum-based materials, making them increasingly crucial for high-end applications in the aviation and automotive sectors. Hence, the researcher’s interest in bio-based resins is growing to fulfill the need for these composites. A critical aspect of composite production involves curing the resin, which has been thoroughly studied in the literature for liquid resin. However, since liquid resin is impregnated with fibers in various industries for different applications, it was essential to understand how this impregnation affects the resin's degree of cure. Therefore, in this work, the degree of cure for liquid resin and resin with fiber was calculated and compared using differential scanning calorimetry (DSC) and dielectric analysis (DEA). The temperature and ion viscosity measurements provided insights into the curing behavior of …