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Effect of Compatibilizer and Nucleation Agent on the Properties of Poly(lactic acid)/Polycarbonate (PLA/PC) Blends

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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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Correspondence to Zehua Qu.

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Qu, Z., Hu, X., Pan, X. et al. Effect of Compatibilizer and Nucleation Agent on the Properties of Poly(lactic acid)/Polycarbonate (PLA/PC) Blends. Polym. Sci. Ser. A 60, 499–506 (2018). https://doi.org/10.1134/S0965545X18040107

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  • DOI: https://doi.org/10.1134/S0965545X18040107

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