Table 4.
Mean values and standard deviation of parameters obtained by DSC (glass transition temperature of PLA) and TGA (Maximum degradation temperature (TPeak) and Initial degradation temperature (T0)) of studied films conditioned at 53 % R.H. and 25 °C.
Formulations | DSC |
TGA |
|
---|---|---|---|
Tg (°C) | TPeak (°C) | T0 (°C) | |
PLA | 54.24 ± 0.3b | 315.6 ± 0.5a | 245.0 ± 0.2b |
TPS | --- | 337.5 ± 1.1c | 236.1 ± 0.5a |
PLA75/TPS25 | 50.6 ± 0.5a | 342.4 ± 0.9d | 267.33 ± 0.5c |
PLA75/TPS25/ESO1.5 | 57.2 ± 1.6c | 341.3 ± 0.5d | 265.95 ± 0.3c |
PLA75/TPS25/ESO3 | 57.9 ± 1.3c | 329.7 ± 0.5b | 285.13 ± 0.5d |
Different superscript letters mean significant differences (p < 0.05) between formulations.