▎ 摘　　要

This work focused on an analysis of the relationship between the morphology and properties of epoxidized palm oil (EPO) plasticized poly(lactic acid) (PLA) filled with graphene (GP). Differential scanning calorimetry results showed that GPs can act as nucleating agents for PLA, which decreased the cold crystallization temperature and increased the crystallinity. This nucleating effect of the GP was less effective in the PLA/EPO blends, due to its preferred dispersion in the EPO phase. By polarized light microscopy observation, the spherulite size of the PLA decreased with the presence of GP in the PLA/EPO blends, while the EPO provided the larger spherulite size as compared to neat PLA. Nevertheless, the increase in crystallinity, especially at high GP loadings, helped to retain the mechanical properties of the plasticized PLA.