Table 4.
Td5%, residual mass @700 °C and @900 °C from TGA under air atmosphere and time to ignition (tti), peak heat release rate (pHRR) and total heat release (THR) from cone calorimeter experiments for nano-SiO2 modified epoxy resins.
| TGA | Cone Calorimeter | |||||
|---|---|---|---|---|---|---|
| Td5%/°C | Residual Mass | tti/sec | pHRR/kW/m2 | THR/MJ/m2 | ||
| @700 °C/wt.% | @900 °C/wt.% | |||||
| Novolac | 354.6 | 0.1 | 0.1 | 53.7 ± 2.9 | 1373.0 ± 151.6 | 87.7 ± 1.3 |
| Novolac + 0.8 SiO2 | 339.2 | 1.7 | 1.5 | 53.3 ± 1.2 | 1138.9 ± 53.3 | 103.9 ± 3.3 |
| Novolac + 1.5 SiO2 | 338.6 | 3.3 | 3.3 | 52.7 ± 1.5 | 1141.9 ± 84.4 | 97.0 ± 2.0 |
| Novolac + 2.3 SiO2 | 338.5 | 5.1 | 5.0 | 52.7 ± 1.2 | 1022.4 ± 34.7 | 90.2 ± 1.0 |
| Novolac + 3.9 SiO2 | 343.2 | 8.6 | 8.6 | 54.7 ± 0.6 | 910.9 ± 58.3 | 84.4 ± 2.9 |