Enhanced aging resistance of poly(epsilon-caprolactone)/brewers' spent grain composites

摘要

The presented paper investigated the influence of brewers' spent grain (BSG) extrusion parameters on the photo-oxidative resistance of poly(epsilon-caprolactone)-based wood polymer composites. Filler samples characterized by the higher melanoidin content were more efficient in hindering of polymer degradation, inhibiting the decomposition of the polymer amorphous phase. As a result, deterioration of mechanical performance was limited, which was expressed by the higher values of aging factor for samples containing BSG extruded at higher temperatures.