Fig. 5

The dielectric properties as functions of frequency at 30 °C for the samples; pure RPET and RPET with additives of Nd2O3 (1, 2, 4 and 8 wt.%).

The dielectric properties as functions of frequency at 30 °C for the samples; pure RPET and RPET with additives of Nd2O3 (1, 2, 4 and 8 wt.%).