TABLE 4.
Thermal behavior of PUA films.
| Sample | Td5 (°C) a | Td10 (°C) b | Tmax I (°C) c | Tmax II (°C) d |
|---|---|---|---|---|
| 9a | 282.3 ± 1.5 | 302.3 ± 1.3 | 336.9 ± 0.2 | 432.0 ± 0.2 |
| 9b | 261.6 ± 2.8 | 287.0 ± 0.8 | 333.5 ± 0.5 | 431.3 ± 1.8 |
| 9c | 264.6 ± 6.1 | 291.2 ± 2.6 | 326.1 ± 4.1 | 433.3 ± 0.3 |
| 9d | 285.0 ± 0.5 | 303.0 ± 0.2 | 341.7 ± 0.3 | 434.7 ± 3.2 |
| 9e’ | 299.0 ± 7.7 | 314.0 ± 6.8 | 345.2 ± 1.5 | 431.5 ± 0.4 |
| 9f’ | 273.7 ± 1.9 | 295.2 ± 6.8 | 342.1 ± 1.1 | 430.9 ± 1.5 |
| 9g’ | 270.4 ± 1.9 | 293.6 ± 3.2 | 333.1 ± 1.7 | 433.8 ± 1.3 |
Temperature at 5% weight loss.
Temperature at 10% weight loss.
Temperature at maximum degradation rate in the first decomposition step.
Temperature at maximum degradation rate in the second decomposition step.