Table 1. Decomposition Temperatures for NIPU Containing EDA, BDA, and HAD.
| diamine | curing time (h) | Td5% (°C) | Td50% (°C) | Tmax (°C) | residue at 600 °C (%) |
|---|---|---|---|---|---|
| EDA | 1.5 | 197 | 342.9 | 378.1 | 0.86 |
| 3 | 192 | 342.4 | 381.7 | 0.58 | |
| 6 | 198 | 345.9 | 379.7 | 0.62 | |
| 12 | 214 | 349.8 | 384.5 | 0.61 | |
| 24 | 219 | 353.4 | 383.6 | 0.71 | |
| BDA | 1.5 | 154 | 346.6 | 372.9 | 0.99 |
| 3 | 166 | 346.9 | 377.8 | 0.56 | |
| 6 | 171 | 345.1 | 387.1 | 0.44 | |
| 12 | 179 | 349.9 | 376.9 | 0.38 | |
| 24 | 192 | 352.3 | 375.3 | 0.40 | |
| HDA | 1.5 | 199 | 374.3 | 431.3 | 0.51 |
| 3 | 211 | 372.8 | 423.5 | 0.30 | |
| 6 | 209 | 373.5 | 416.9 | 0.33 | |
| 12 | 214 | 374.3 | 415.0 | 0.32 | |
| 24 | 211 | 370.7 | 412.5 | 0.29 |