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This work is concerned with hybrid nanocomposite materials that contain both clay and graphite oxide incorporated in an epoxy matrix. In order to assess the challenge of improving the thermal conductivity while not changing or even improving the electrical properties, a new composite system was designed by applying an additional thermal conductive phase represented by the graphite oxide. In this paper,...
Thermoset polymers are frequently used as matrices for nanocomposite materials because nanofillers, such as clay, can be easily incorporated into liquid polymer precursors. Since in the crystal structure of clay such as Montmorillonite the layers are physically linked by cations, replacing these cations with larger organophilic molecules changes the clay surface into hydrophobic and increases the...
The purpose of this work is to demonstrate the post-treatment importance using dielectric measurements on nanocomposites. During this post-treatment which is the application of heat over time, crosslinking completes and ageing sets in. Both effects usually take place in the same time. Besides the expected differences between the filled and unfilled epoxy samples, the influence of silane coupling agents...
Polyamide 6/clay nanocomposites (PAn, where n is the mass fraction of clay) with various clay loading were prepared by melt compounding in a twin screw extruder. Exfoliation of clay in a PA matrix was confirmed by X-ray diffraction. Strain amplitude response of PAn in both melt and solution states has been investigated. In the melt state, critical strain amplitude of PAn is sensitive to strain amplitude...
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