2. Physical Properties of PEI/P(EI-CPC x ) Compared to other Polymers.
|
Tg (°C) |
|||||||
|---|---|---|---|---|---|---|---|
| mixing ratio* | DSC | DMA | Td (°C) | E′ (100 °C) (GPa) | E′ (300 °C) (MPa) | cross-link density (mol/m3) | |
| PEI/P(EI-CPC1.3) | 30:70 | 530 | |||||
| 50:50 | 222 | 237 | 539 | 2.43 ± 0.12 | 20.2 ± 0.78 | 1560 ± 56 | |
| 70:30 | 220 | 232 | 546 | 2.32 ± 0.10 | 5.46 ± 0.52 | 421 ± 40 | |
| PEI/P(EI-CPC0.8) | 30:70 | 241 | 533 | 2.30 ± 0.09 | 16.5 ± 1.2 | 1270 ± 93 | |
| 50:50 | 221 | 235 | 540 | 2.23 ± 0.19 | 6.01 ± 0.40 | 463 ± 31 | |
| 70:30 | 210 | 222 | 545 | 2.15 ± 0.15 | |||
| PEI/P(EI-CPC0.5) | 30:70 | 220 | 230 | 542 | 2.22 ± 0.12 | 5.13 ± 0.48 | 395 ± 34 |
| 50:50 | 214 | 224 | 547 | 2.19 ± 0.08 | |||
| 70:30 | 212 | 220 | 552 | 2.24 ± 0.14 | |||
| PEI/P(EI-CPC0.06) | 0:100 | 218 | 225 | 539 | 2.15 ± 0.16 | ||
| 30:70 | 217 | 226 | 545 | 2.13 ± 0.11 | |||
| 50:50 | 216 | 225 | 548 | 2.18 ± 0.08 | |||
| 70:30 | 215 | 224 | 551 | 2.16 ± 0.13 | |||
| PEI | n/a | 217 | 226 | 554 | 2.11 ± 0.12 | ||
| Kapton | n/a | ∼385 | 370 | 574 | 2.30 ± 0.20 | 1550 | |
| X-PEI-8* | n/a | 224 | 238 | 544 | 1.76 | 2.29 | 177 |