Table 2.
Results of DMA and TGA for neat UPR, UPR/TO, and UPR/TO/GO composites.
| Sample |
E′25a (GPa) |
Tgb (°C) |
T5c (°C) |
Tpd (°C) |
wchare (%) |
|---|---|---|---|---|---|
| UPR | 1.67 | 110.6 | 212.2 | 388.1 | 5.70 |
| UPR/TO | 0.83 | 70.4 | 229.6 | 385.5 | 8.61 |
| UPR/TO/G0.05 | 1.21 | 84.3 | 241.7 | 391.3 | 8.08 |
| UPR/TO/G0.10 | 1.76 | 105.2 | 270.6 | 392.9 | 8.37 |
| UPR/TO/G0.15 | 1.04 | 98.4 | 259.4 | 392.9 | 8.76 |
| UPR/TO/G0.20 | 1.36 | 96.4 | 246.1 | 392.9 | 9.16 |
| UPR/TO/G0.30 | 1.67 | 97.1 | 229.1 | 397.8 | 8.55 |
a Storage modulus at 25 °C. b Glass transition temperature. c 5% Weight–loss temperature. d Peak temperature at the curves of weight-loss rate. e Char yield.