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. 2025 Jun 25;58(13):6440–6451. doi: 10.1021/acs.macromol.5c00532

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