Table 7.
Temperatures at which 5 wt% (T5%) and 50 wt% (T50%) were lost, and temperatures and weight losses of the two thermal decompositions of TPU1, TPU2, and TPU1 + TPU2 blends. TGA experiments.
| Sample Code. |
T5% (°C) |
T50% (°C) |
1st Decomposition | 2nd Decomposition | Residue (wt%) |
||
|---|---|---|---|---|---|---|---|
| T1 (°C) |
Weight Loss1 (%) |
T2 (°C) |
Weight Loss2 (%) |
||||
| TPU1 | 272 | 351 | 309 | 44 | 373 | 54 | 2 |
| 80TPU1/20TPU2 | 267 | 336 | 309 | 48 | 365 | 51 | 1 |
| 70TPU1/30TPU2 | 271 | 338 | 317 | 52 | 373 | 48 | 0 |
| 60TPU1/40TPU2 | 263 | 326 | 308 | 53 | 363 | 45 | 2 |
| TPU2 | 267 | 320 | 315 | 66 | 368 | 32 | 2 |