This study investigates the evolution of filler particle networks using electrical and rheological property measurements. Polyvinylediene Flouride (PVDF) was used as the matrix thermoplastic polymer which was reinforced with multiwall carbon nanotubes (MWNT) as the filler phase using high shear twin screw extrusion mixing. Electrical conductivity and dielectric constant measurements were done using impedance spectroscopy. Viscosity and storage modulus measurements were performed using a dynamic rheometer. Morphologies of the composites were observed using scanning electron microscopy. The percolation behavior in electrical conductivity was determined to be 1.3 wt% MWNT content in PVDF. This is in contrast to the nanocomposite viscosity percolation threshold which occurred at 1.9 wt%.
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ASME 2013 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
September 16–18, 2013
Snowbird, Utah, USA
Conference Sponsors:
- Aerospace Division
ISBN:
978-0-7918-5603-1
PROCEEDINGS PAPER
Correlation of Rheological and Electrical Percolation in PVDF-MWNT Nanocomposites Available to Purchase
Reza Rizvi,
Reza Rizvi
University of Toronto, Toronto, ON, Canada
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Hani Naguib
Hani Naguib
University of Toronto, Toronto, ON, Canada
Search for other works by this author on:
Reza Rizvi
University of Toronto, Toronto, ON, Canada
Hani Naguib
University of Toronto, Toronto, ON, Canada
Paper No:
SMASIS2013-3241, V001T01A022; 5 pages
Published Online:
February 20, 2014
Citation
Rizvi, R, & Naguib, H. "Correlation of Rheological and Electrical Percolation in PVDF-MWNT Nanocomposites." Proceedings of the ASME 2013 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. Volume 1: Development and Characterization of Multifunctional Materials; Modeling, Simulation and Control of Adaptive Systems; Integrated System Design and Implementation. Snowbird, Utah, USA. September 16–18, 2013. V001T01A022. ASME. https://doi.org/10.1115/SMASIS2013-3241
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