2.2.5. Thermogravimetric Analysis (TGA)

All TGA measurements (in non-isothermal and isothermal conditions) were performed on a STA 449F1 Jupiter device (Netzsch, Germany).

TGA measurements in non-isothermal conditions were conducted from 30 °C up to 700 °C in nitrogen atmosphere (50 mL min⁻¹) and at a heating rate of 10 °C min⁻¹. Approximately 20 mg of each sample were used.

For the isothermal measurements in air, the variation of sample mass was recorded at the elevated temperatures in the aging oven. Before thermal aging, samples were dried for 24 h at 23 °C in order to remove the moisture absorption during storage.