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Table 1 Effect of silane-coating thickness of CNFs on permittivity of the nanocomposites before and after wear testing

From: Sensitivity of Dielectric Properties to Wear Process on Carbon Nanofiber/High-Density Polyethylene Composites

Samples Thickness of silane coating on CNF surface (nm) Permittivity before wearing Permittivity after 120-h wearing Slope (from Fig. 4) × 10-3
Nanocomp-ox 0 5.2 6.3 8.75
Nanocomp-A 1.2 4.8 5.3 3.96
Nanocomp-B 2.8 4.6 4.9 3.88
Nanocomp-C 46 4.1 4.4 1.51