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The calculated results of the real and the imaginary part of the dielectric function of PA-66, PA-6, PA-6 nanocomposite and PA-6 microcomposite films. The top figure shows the real part of the dielectric function and the bottom shows the imaginary one. Extreme differences of the slope in the dielectric function of PA-6 nanocomposite compared with other polymers were observed.
Fourier transform infrared ATR spectra of PA-66, PA-6, PA-6 nanocomposite and PA-6 microcomposite films. The top figure shows the NH stretching region, and the bottom figure shows the Amide I and Amide II regions.
The correlation between the relaxation time calculated from the THz spectra and the IR peak position. Each figure shows the correlation with NH stretching mode, Amide I band, Amide II band, and combination band of Amide I and Amide II mode.
The calculated results of the static dielectric constant , high frequency limit of the dielectric function , and the relaxation time from the reflection and the transmission THz spectra by applying the Debye formula. The IR peak positions of the characteristic band were also summarized.
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