2017 (4) 1

https://doi.org/10.15407/polymerj.39.04.219

Influence of the carbon micro and nanofillers on the electrical and thermal properties of the segregated polymer composites

O.V. Maruzhenko1,2, Ye.P. Mamunya1, G. Boiteux2, S. Pruvost3, S. Pusz4, U. Szeluga4, B. Kumanek4

1Institute of Macromolecular Chemistry NAS of Ukraine

48, Kharkivske shose, Kyiv, 02160, Ukraine

2Universite de Lyon, Universite Lyon 1, Ingenierie des Materiaux Polymeres

UMR CNRS 5223, 69 622 Villeurbanne Cedex, France

3Universite de Lyon, INSA Lyon, Ingenierie des Materiaux Polymeres

UMR CNRS 5223, 69 621 Villeurbanne Cedex, France

4Centre of Polymer and Carbon Materials, Polish Academy of Sciences

34, Marii Curie-Skіodowskiej, 41-819 Zabrze, Poland

Polym. J., 2017, 39, № 4: 219-226.

Section: Structure and properties.

Language: Russian.

Abstract:

There were studied electrical and thermal properties of polymer composites with carbon micro- and nano fillers with statistical and segregated filler distribution in polymer matrix. Samples were prepared by hot compacting method, as a filler there were used thermally treated anthracite (A), graphene (Gr) and hybrid filler (Gr-A). There was found that systems with segregated filler distribution has significantly lower percolation threshold comparing to the systems with random distribution. Also, great impact on electrical conductivity has filler sizes – system with nanofiller (Gr) showed lowest percolation threshold (0,21 % vol.) and with microfiller (A) – highest (2,95 % vol.). Synergistic effect caused by nano- and microfillers combination was achieved for hybrid systems Gr-A. Thermomechanical analysis showed significant growth of mechanical losses tangent in the area above melting temperature after hitting critical concentration value.

Key words: polymer composites, carbon micro- and nanofillers, segregated systems, electrical conductivity, mechanical losses.

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