Study on the Photodegradation Stability of Poly(butylene Succinate-co-butylene Adipate)/TiO₂ Nanocomposites

Figure 4

Complex viscosity of pure PBSA and PBSA/TiO₂ nanocomposites (a) before and (b) after 360 h of UV irradiation as a function of frequency at 140°C.

(a)

(b)