Abstract
Poly(lactic acid) (PLA) and polycarbonate (PC) blends were prepared by melt processing with a twin-screw extruder. Ethylene-maleic anhydride-glycidyl methacrylate terpolymer (EMG) as compatibilizer and talc as nucleation agent were added in PLA/PC blends. The effect of EMG and talc on the mechanical properties including tensile, flexural, Izod notched impact properties and heat deflection temperature (HDT) of PLA/PC blends were investigated. The morphologies were observed by scanning electron microscopy (SEM). The crystalline behavior of PLA/PC blends was analyzed by differential scanning calorimetry (DSC) and X-ray diffraction (XRD). The nanoscale mechanical properties of PLA/PC blends were investigated by atomic force microscope (AFM). The results showed that the addition of EMG and talc simultaneously with annealing treatment is the most effective process.
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