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. 2017 May 18;10(5):545. doi: 10.3390/ma10050545

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© 2017 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Comparison of the area ratio $A_{r}$ of microscopically visible GNP structures of different GNP morphologies in PC as a function of screw speed and melt temperature (a) Graphene nanopowder AO-3, (b) Cheap Tubes GNP Grade 3 and (c) ACS-Single Layer Graphene (filler content 1 wt %, mixing time 5 min) together with light microscopy images indicating the state of dispersion for selected processing parameters (cuts performed perpendicular to the strand direction).

Comparison of the area ratio $A_{r}$ of microscopically visible GNP structures of different GNP morphologies in PC as a function of screw speed and melt temperature (a) Graphene nanopowder AO-3, (b) Cheap Tubes GNP Grade 3 and (c) ACS-Single Layer Graphene (filler content 1 wt %, mixing time 5 min) together with light microscopy images indicating the state of dispersion for selected processing parameters (cuts performed perpendicular to the strand direction).