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M. Żenkiewicz, J. Richert, P. Rytlewski, A. Richert

Selected electrical and thermal properties of polylactide/graphite composites (in English)

Polimery 2011, No 6, 489


DOI: dx.doi.org/10.14314/polimery.2011.489

Summary

The influence of graphite on volume and surface resistivity as well as on some thermal properties of composites containing a polylactide matrix was studied. The graphite content was up to 50 wt. %. It was found that the volume and surface resistivity decreased with the increasing graphite content and the percolation threshold appeared at the level of the filler content of 30—40 wt. %. No essential influence of graphite on phase transition temperatures was observed. However, the phenomenon of cold crystallization appeared. The sample mass loss upon heating started at ca. 270 °C.


Key words: polylactide/graphite composites, electrical properties, phase transition temperature of polymer matrix, thermal stability


e-mail: marzenk@ukw.edu.pl

M. Żenkiewicz, J. Richert, P. Rytlewski, A. Richert (95.1 KB)
Selected electrical and thermal properties of polylactide/graphite composites (in English)