TABLE 3.
The change of Tg and Td during degradation.
| 0d | 4d | 8d | 12d | 16d | 20d | |
|---|---|---|---|---|---|---|
| Tg (°C) | -21.6 | -21.8 | -23.1 | -24.9 | -26.5 | -27.6 |
| Td (°C) | 263.6 | 237.3 | 224.6 | 220.5 | 219.2 | 163 |
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