초록 |
Bio-based poly(lactic acid) (PLA) ternary composites were prepared by the solution blending of PLA, polybutylene succinate (PBS), and nano-CaCO3. The effects of PBS and nano-CaCO3 on the thermal stability, fracture toughness, mechanical properties, and morphology of the composites were investigated using several techniques. The morphologies of the composites were observed by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). From these results, the fracture toughness and flexural strength of PLA were improved by the introduction of PBS and further enhanced by the addition of nano-CaCO3. |