Table 3.
Mechanical properties of polycyanurate, TPI, and semi-IPNs.
| Thermosets | Tensile Strength (MPa) | Tensile Modulus (GPa) | Elongation at Break (%) | Flexural Strength (MPa) | Flexural Modulus (GPa) | Compression Strength (MPa) | Impact Strength (KJ m−2) |
|---|---|---|---|---|---|---|---|
| Polycyanurate | 76 | 3.0 | 1.8 | 149 | 3.2 | 155 | 15 |
| Semi-IPN−3 | 78 | 3.2 | 2.2 | 156 | 3.3 | 150 | 22 |
| Semi-IPN−5 | 82 | 3.1 | 3.1 | 170 | 3.1 | 153 | 26 |
| Semi-IPN−10 | 84 | 3.2 | 3.1 | 169 | 3.2 | 152 | 32 |
| Semi-IPN−15 | 85 | 3.2 | 3.1 | 172 | 3.2 | 156 | 63 |
| Semi-IPN−20 | 80 | 2.9 | 2.9 | 165 | 3.0 | 150 | 49 |
| TPI | 110 | 2.5 | 9.3 | 150 | 3.0 | 190 | 90 |