Crystallization Behavior and Mechanical Properties of PP/EVA Blends

Kun Yan Wang

doi:10.4028/www.scientific.net/AMR.1033-1034.869

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Crystallization Behavior and Mechanical Properties of PP/EVA Blends

Abstract:

Polypropylene (PP)/ethylene-vinyl acetate (EVA) blends were prepared using a twin-screw extruder by melt blending method. The influences of the EVA contents in PP/EVA blends on crystallization behavior and mechanical properties were investigated by X-ray diffraction (XRD) and differential scanning calorimetry (DSC). XRD results show that the EVA not change the crystal structure in the blends but only decrease the intensity of the diffraction peak. DSC results showed that the melting point and crystallization point decreased when EVA added to the blend. The tensile properties of PP/EVA blend become much better.