highly significantp < 0.05
The addition of PPE into PS-based films caused highly significant ( p < 0.05) changes in all three color coordinates ( L* , a* and b* ) as shown in Fig. 4 .
The addition of PPE into PS-based films caused highly significant ( p < 0.05) changes in all three color coordinates ( L* , a* and b* ) as shown in Fig. 4 .
Similarly, EAB also showed a decreasing trend, where the control film (T 0 ) had the maximum value (62.56 ± 0.34%) while the lowest flexibility was observed in T 5 (54.29 ± 0.13) Fig. 3 (C).