Highly structured graphene polyethylene nanocomposites

Karolina Gaska, Roland Kádár, Xiangdong Xu, Stanislaw Gubanski, Christian Müller, Santosh Pandit, Venkata RSS Mokkapati, Ivan Mijakovic, Andrzej Rybak, Artur Siwek

Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)

8 Citations (Scopus)


This research presents an overview of the properties of highly structured, low density polyethylene-graphene nanoplatelets (LDPE-GnP). The influence of nanofiller content, size and processing conditions on the material properties
have been investigated. Therefore, rheological and thermal nanocomposite properties were investigated. So-called drycoating method has been used in order to prepare masterbatches which were thereafter extruded by means of single screw extruder resulting in a strong anisotropy in the extruded samples. Graphene nanoplatelets were oriented in the extrusion direction for all shear rates and flow histories investigated, as confirmed by scanning electron microscopy. The rheological percolation was determined via nonlinear parameters to be around 11wt%. Thermal conductivity measurements revealed
strong anisotropy with in-plane conductivity increasing with GnP content.
Original languageEnglish
Title of host publicationAIP Conference Proceedings
Pages030061-1 - 030061-5
Number of pages5
Publication statusPublished - 6 Feb 2019


  • Nanocomposites
  • Graphene nanoplatelets (GNPs)
  • Extrusion


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