**4.2 Thermogravimetric analyses (TG)**

TG was carried out to investigate the effect of processing on the thermal decomposition of PLA and PBAT under nitrogen atmosphere; in **Figure 2** behavior of samples studied is shown.

The onset temperature of the decomposition of PLA slightly decreases with the extrusion process; nevertheless, its blend with PBAT and PBAT purely showed a higher onset temperature. This change in PLA could be originated from the degradation of the polymer, leading to the presence of shorter polymer chains and an increase in the number of chain ends per mass. Chain ends then promote a dominant degradation pathway at the temperature range of 270–360°C.
