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Thermal stability, thermomechanical property, and flammability poly(BA-a)/UFNBRPs composites at various UFNBRPs contents.
| UFNBRP Content (wt%) | Tg (°C) | E′ at 30 °C (GPa) | Td5 (°C) | Td10 (°C) | Char yield at 800 °C (%) | LOI |
|---|---|---|---|---|---|---|
| 0 | 170 | 5.2 | 325 | 345 | 25.3 | 27.6 |
| 2 | 175 | 4.7 | 323 | 345 | 23.6 | 26.9 |
| 5 | 182 | 3.7 | 321 | 346 | 23.6 | 26.9 |
| 10 | 185 | 3.3 | 317 | 342 | 20.9 | 25.9 |
| 15 | 188 | 2.8 | 304 | 340 | 18.4 | 24.9 |
