Properties of Polypropylen Talc Compounds with Different Talc Particle Size
This study comprises investigations of the thermal and mechanical characteristics and the toughness behavior of a heterophasic propylene-ethylene copolymer as a function of the talc content and talc quality. The thermal behavior was analyzed by DSC, TGA, and Vicat softening temperature methods. The mechanical properties were determined by tensile tests at different temperatures (-20 °C, 23 °C, and 90 °C), and by ball indentation hardness testing method. The assessment of the materials toughness was done using conventional Charpy notched impact test, several fracture mechanics methods and microfractographic investigations. The main result of the study was that the copolymer containing talc of fine quality exhibited the best mechanical and toughness properties.
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The Journal of Plastics Technology is a peer reviewed internet periodical published under the auspices of the Scientific Alliance of Polymer Technology (WAK)
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