Development of manufacturing process of conductive carbon nanotube network/polystyrene composites

0348093 - ÚH 2011 CH eng C - Conference Paper (international conference)
Říha, Pavel - Slobodian, P. - Olejník, R. - Petráš, D. - Sáha, P.
Development of manufacturing process of conductive carbon nanotube network/polystyrene composites.
Proceedings of the Tenth International Conference on Flow Processes in Composite Materials. Monte Verità: Centro Stefano Franscini, 2010, s. 42. ISBN N.
[FPCM-10: International Conference on Flow Processes in Composite Materials /10./. Monte Verità, Ascona (CH), 11.07.2010-15.07.2010]
R&D Projects: GA AV ČR IAA200600803
Grant - others:GA MPO(CZ) 2A-1TP1/068
Institutional research plan: CEZ:AV0Z20600510
Keywords : carbon nanotube network * non-woven PS membrane * electric resistance * stress sensor
Subject RIV: BK - Fluid Dynamics

The composite consisting of filter-supported entangled multiwall carbon nanotube networks were prepared by filtration of nanotube fluid dispersion through a non-woven flexible polystyrene membrane. The nanotubes infiltrate partly into the membrane pores and couple the membrane and the accumulated filtrate layer. The filter-support increases nanotube network mechanical integrity and eliminates the laborious process of peeling off the nanotube network from the usual micro-porous (polycarbonate, nylon) membrane filter followed by the network impregnation to increase its compactness. The composite with embedded nanotube network is shown to be a conductor whose electrical resistance is sensitive to compressive strain. To model the electrical resistance strain dependence, the statistical approach based on Weibull distribution of resistive nanotube contacts is used.
Permanent Link: http://hdl.handle.net/11104/0188709