Mechanical and Conductive Behavior of Graphite Filled Polysulfone-Based Composites

Polysulfone-based composite materials filled with artificial, natural, or thermally expanded graphite have been investigated. Composite materials with filling degrees between 30 and 70 wt.% were prepared using solution technology. High filling levels with graphite fillers allowed for the achievement...

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Bibliographic Details
Published in:Applied sciences 2023-01, Vol.13 (1), p.542
Main Authors: Mohammad, Hussam, Stepashkin, Andrey A., Laptev, Alexander I., Tcherdyntsev, Victor V.
Format: Article
Language:English
Subjects:
artificial graphite
Carbon fibers
composite material
Composite materials
Corrosion resistance
Electrical conductivity
Electrical resistivity
Electrochemistry
Energy storage
expanded graphite
Fuel cells
Graphite
Heat conductivity
Investigations
Mechanical properties
Metals
natural graphite
Nondestructive testing
Particle size
Polymers
polysulfone
Porosity
Thermal conductivity
Viscosity
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Summary:Polysulfone-based composite materials filled with artificial, natural, or thermally expanded graphite have been investigated. Composite materials with filling degrees between 30 and 70 wt.% were prepared using solution technology. High filling levels with graphite fillers allowed for the achievement of thermal conductivity of 7.35 W/m · K and electrical conductivity of 52.9 S/cm. The use of natural graphite has been found to have the greatest impact on thermal and electrical characteristics, while materials with dispersed artificial graphite exhibit the best mechanical properties. Evolution of samples’ density and porosity with the filling degree as well as the effect of these parameters on the conductive properties have been analyzed and discussed.
ISSN:2076-3417
2076-3417
DOI:10.3390/app13010542