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Published
: 2021-01-15
Characteristics of the structure of materials designed for the manufacture of piezoelectric composites based on polypropylene
Abstract
Composites based on isotactic polypropylene (i-PP) modified by organophilized montmorillonite (MMT) have been obtained, as potential piezoelectric materials, by extrusion without addition of compatibilizer. The crystallinity of these products has been studied using X-ray diffraction. The morphology and mechanical properties have been determined by SEM and tensile tests, respectively. The formation of cellular structure was observed in the i-PP composites. Also, they exhibit an increase in the degree of crystallinity of the PP matrix when compared to virgin polymer. The parameters characterizing the mechanical properties of montmorillonite-filled i-PP are decreased, but the range of stresses for which Hooke's law applies is similar for i-PP composites containing 2.5 and 5 wt % MMT as well as for neat PP.
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Kaczmarek, H., Królikowski, B., Klimiec, E., & Bajer, D. (2021). Characteristics of the structure of materials designed for the manufacture of piezoelectric composites based on polypropylene. Polimery, 62(7-8), 539–547. https://doi.org/10.14314/polimery.2017.539
