3D printing of CNT- and graphene-based conductive polymer nanocomposites by fused deposition modeling

Gnanasekaran, Karthikeyan; Heijmans, Tom; Bennekom, S. van; Woldhuis, H.; Wijnia, S.; With, Gijsbertus de; Friedrich, Heiner

doi:10.1016/j.apmt.2017.04.003

articleApplied Materials TodayMay 10, 2017HYBRID OA

3D printing of CNT- and graphene-based conductive polymer nanocomposites by fused deposition modeling

KGKarthikeyan Gnanasekaran THTom Heijmans SVS. van Bennekom HWH. Woldhuis SWS. Wijnia

Eindhoven University of Technology

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Abstract

Fused deposition modeling (FDM) is limited by the availability of application specific functional materials. Here we illustrate printing of non-conventional polymer nanocomposites (CNT-and graphene-based polybutylene terephthalate (PBT)) on a commercially available desktop 3D printer leading toward printing of electrically conductive structures. The printability, electrical conductivity and mechanical stability of the polymer nanocomposites before and after 3D printing was evaluated. The results show that 3D printed PBT/CNT objects have better conductive and mechanical properties and a better performance than 3D printed PBT/graphene structures. In addition to that, printing more than one material…

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Topics & keywords

Topics

Keywords

Materials science
Graphene
Fused deposition modeling
Electrical conductor
3D printing
Nanocomposite
Polybutylene terephthalate
Composite material

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