Table 3. DSC and TGA data for 2% Gly–Chi films and nanofibers, non-neutralized (NN) and neutralized (N).
Sample | Condition | DSC | TGA | ||||||
---|---|---|---|---|---|---|---|---|---|
First heating | Cooling | Second heating | Water loss | Decomposition | |||||
T m (°C) | Dehyd (°C) | T c (°C) | T m (°C) | Peak (°C) | T onset (°C) | Peak 1 (°C) | Peak 2 (°C) | ||
Film | NN | — | 110 | — | — | 122 | 209 | 245 | 384 |
N | — | 108 | — | — | — | 220 | 261 | 402 | |
Nanofibers | NN | 48 | 104 | 33 | 58 | 142 | 190 | 241 | 283 |
N | — | 103 | — | — | — | 170 | 257 | — |