Table 3.
Mechanical properties of PLA, ABS, and PLA/ABS blends with or without annealing containing different concentrations of SEBS-g-MA.
| Mechanical Properties | ||||||
|---|---|---|---|---|---|---|
| Designation | Impact Strength (J/m) | Young’s Modulus (MPa) | Tensile Strength (MPa) | Elongation at Break (%) | Hardness Shore D | |
| Neat | PLA | 32.1 ± 4.05 | 2101.4 ± 85.70 | 50.2 ± 4.90 | 3.8 ± 0.60 | 77.5 ± 0.15 |
| PLA/ABS-0% | 33.4 ± 4.94 | 1823.8 ± 137.10 | 26.8 ± 3.20 | 1.8 ± 0.40 | 72.4 ± 0.69 | |
| PLA/ABS-5% | 33.4 ± 4.94 | 1675.0 ± 83.40 | 31.9 ± 2.10 | 3.3 ± 0.20 | 70.5 ± 0.22 | |
| PLA/ABS-7.5% | 29.9 ± 4.61 | 1574.6 ± 43.60 | 32.6 ± 1.50 | 4.2 ± 0.60 | 68.2 ± 0.46 | |
| PLA/ABS-10% | 57.2 ± 4.22 | 1437.0 ± 30.90 | 30.1 ± 0.80 | 4.3 ± 0.50 | 67.4 ± 0.60 | |
| With annealing | PLA | 34.2 ± 4.67 | 2176.4 ± 152.80 | 51.3 ± 5.50 | 3.5 ± 0.40 | 77.8 ± 0.25 |
| PLA/ABS-0% | - | 1903.2 ± 40.10 | 14.7 ± 3.20 | 1.1 ± 0.20 | 76.5 ± 0.15 | |
| PLA/ABS-5% | 31.2 ± 3.91 | 1747.4 ± 40.10 | 31.3 ± 2.10 | 2.0 ± 0.20 | 71.1 ± 0.18 | |
| PLA/ABS-7.5% | 29.8 ± 6.01 | 1615.6 ± 19.20 | 31.8 ± 2.00 | 3.4 ± 0.20 | 69.2 ± 0.40 | |
| PLA/ABS-10% | 55.2 ± 4.30 | 1471.6 ± 19.20 | 28.8 ± 0.70 | 3.4 ± 0.20 | 69.1 ± 0.64 | |