Structure and Optical Properties of Multilayers Carbon Nanotubes/PEEK Nanocomposites
Advances in Polymer Technology2014Vol. 33(3)
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Abstract
ABSTRACT Using sheet‐by‐sheet method, multiwalled carbon nanotubes (MWCNTs)/polyetheretherketone (PEEK) multilayered composites are manufactured. The shielding efficiencies and dielectric constants of the MWCNTs/PEEK composites are investigated in the frequency range of 0.1–1.6 THz using terahertz time domain spectroscopy (THz‐TDS). The MWCNTs/PEEK composite with a carbon‐nanotubes fraction of 1.2% turns to be metallic. Moreover, compared with multilayered graphite/PEEK and single layered MWCNTs/PEEK composites, the multilayered MWCNTs/PEEK composites present excellent terahertz absorptive with a frequency response consistent with Drude's free‐electron model.
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