Table 4.
Mechanical properties of PI foams with different BIA content and different calcd Mw.
| PIFs | Compressive Properties | Tensile Properties | |||
|---|---|---|---|---|---|
| Strength (MPa) |
Modulus (MPa) |
Strength (MPa) |
Modulus (MPa) |
Elongation at Breakage (%) |
|
| PIF-0 | 1.0 | 31.0 | 0.6 | 21.5 | 3.0 |
| PIF-1 | 1.0 | 35.7 | 0.6 | 15.3 | 5.4 |
| PIF-2 | 1.1 | 24.7 | 0.9 | 17.0 | 6.6 |
| PIF-3 | 0.6 | 9.8 | 0.6 | 11.2 | 6.4 |
| PIF-2-1000 | 1.3 | 27.8 | 0.6 | 26.1 | 2.7 |
| PIF-2-1250 | 1.1 | 28.2 | 1.0 | 28.6 | 4.0 |
| PIF-2-1500 | 1.1 | 24.7 | 0.9 | 17.0 | 6.6 |
| PIF-2-1750 | 1.4 | 35.9 | 0.6 | 15.7 | 4.8 |
| PIF-2-2000 | 1.0 | 22.5 | 0.6 | 11.9 | 6.5 |