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A. Kościuszko, P. Czyżewski, Ł. Wajer, A. Ościak, M. Bieliński

Properties of polypropylene composites filled with microsilica waste (in English)

Polimery 2020, No 2, 99


DOI: dx.doi.org/10.14314/polimery.2020.2.3

Summary

The paper presents the results of investigations of processability and mechanical properties of polypropylene composites filled with microsilica, which is waste from the metallurgical industry. Composite molded parts containing 10% and 20% of microsilica waste respectively were characterized, among others, by higher Young’s modulus value and lower shrinkage value in comparison to the unfilled polypropylene. In addition, a correlation was observed between the changes in the post-molding shrinkage value and the changes in the mechanical properties of the molded pieces that took place during their conditioning within 240 hours after they were taken out of the injection mold.


Keywords: composite, polypropylene, microsilica waste, mechanical properties, post-molding shrinkage
e-mail: artkos@utp.edu.pl
A. Kościuszko, P. Czyżewski, Ł. Wajer, A. Ościak, M. Bieliński
Properties of polypropylene composites filled with microsilica waste (in English)