Effect of low octavinyl-polyhedral oligomeric silsesquioxanes loadings on the melt crystallization and morphology of biodegradable poly(l-lactide)

► Biodegradable PLLA/ovi-POSS nanocomposites were prepared at low loadings of ovi-POSS. ► Nonisothermal melt and cold crystallization of PLLA are enhanced by ovi-POSS. ► The overall crystallization rates are faster in the nanocomposites than in neat PLLA. ► The crystallization mechanism and crystal structure of PLLA remain unchanged. ► The thermal stability of PLLA in the nanocomposites is reduced slightly.