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. 2021 Jun 29;14(13):3620. doi: 10.3390/ma14133620

Table 5.

The results of thermal stability of PUR composites.

Sample Tmax (°C) Char Residue
(wt.%) at 600 °C
1st Stage 2nd Stage 3rd Stage
PUR_REF 205 ± 4 313 ± 4 587 ± 4 27.6 ± 0.2
PUR_AS_C_1 221 ± 5 315 ± 5 587 ± 5 30.3 ± 0.1
PUR_AS_C_2 219 ± 2 317 ± 4 589 ± 5 31.0 ± 0.2
PUR_AS_C_5 217 ± 5 313 ± 4 591 ± 6 31.9 ± 0.2