Table 1.
Thermomechanical properties of 3D-printed polycarbonates (data are taken from five independent tests on different bars and are presented as mean values with errors = standard deviation).
| Composition | Glass transition temperature (Tg) (°C) | Plasticized glass transition temperature (°C) | Compressive modulus (MPa) | Elastic modulus (MPa) | Strain at break (%) | Ultimate tensile strength (MPa) | Toughness (MPa/m2) |
|---|---|---|---|---|---|---|---|
| PTMPCTX | 0.3 ± 2.3 | −20.6 ± 1.9 | 1.1 ± 0.5 | 15.2 ± 7.6 | 144.1 ± 33.2 | 2.1 ± 0.1 | 213.3 ± 51.4 |
| P(TMPTCTX75-NTCTX25) | 29.2 ± 1.9 | 5.3 ± 1.2 | 3.0 ± 1.2 | 36.2 ± 5.5 | 99.0 ± 22.4 | 7.6 ± 1.4 | 514.6 ± 97.1 |
| P(TMPTCTX50-NTCTX50) | 43.9 ± 2.4 | 34.5 ± 1.4 | 12.2 ± 5.0 | 196.5 ± 12.8 | 87.8 ± 21.1 | 13.7 ± 4.9 | 821.7 ± 157.3 |
| P(TMPTCTX25-NTCTX75) | 62.8 ± 2.3 | 55.8 ± 1.7 | 9.3 ± 2.0 | 122.6 ± 18.1 | 67.2 ± 18.7 | 18.3 ± 3.8 | 906.8 ± 192.8 |
| PNTCTX | 88.2 ± 1.1 | 87.1 ± 1.1 | 12.3 ± 4.8 | 776.0 ± 59.1 | 40.6 ± 13.5 | 22 ± 4.1 | 723.5 ± 167.9 |