Table 7.
TG data of LS ratios as a char forming agent on the thermal stability of RPU/LS foams.
| Sample | Tmax1 (°C) |
Mass Loss1 (wt%) |
Tmax2 (°C) |
Mass Loss2 (wt%) |
Char800
°C (wt%) |
|---|---|---|---|---|---|
| RPU/LS0.5 | 181 | 2.4 | 302 | 59.3 | 29.6 |
| RPU/LS1 | 174 | 2.4 | 311 | 50.6 | 34.3 |
| RPU/LS1.5 | 169 | 2.5 | 307 | 58.3 | 31.2 |
| RPU/LS2 | 173 | 2.7 | 307 | 59.8 | 32.3 |
| RPU/LS3 | 173 | 2.9 | 304 | 57.5 | 31.4 |
| RPU/LS4 | 183 | 2.4 | 308 | 55.4 | 32.8 |
Tmax1 and Tmax2: maximum degradation temperature in the first degradation step and the second degradation step; Mass loss1 and Mass loss2: the mass loss in the first step and second step; Char800 °C: char residue at 800 °C from TG analysis.