Abstract
PP/EPDM/CaCO3 composites were prepared by melt blending in twin-screw extruder and injection molding, and analyzed by mechanical testing (tensile, tribological properties) and SEM. The results demonstrate that the HDPE improve the properties of PP/EPDM/CaCO3 composites significantly. Which have excellent tribological properties (coefficient of friction is 0.27, the weight loss is 0.40mg) when the content of HDPE is 25g, while the tensile strength is 30.4MPa.
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