Table 2.
Tensile properties of PLA, epoxy resin, CTS, and ENR blend, and the PLAEC1/ENR blend with annealing times of 0–120 min.
| Sample | Tensile Strength (MPa) | Elongation at Break (%) | Young’s Modulus (MPa) |
|---|---|---|---|
| PLAE/ENR | 13.6 ± 0.6 a | 2.4 ± 0.1 a | 895.64 ± 11.3 b |
| PLAEC1/ENR | 30.0 ± 0.2 c | 6.0 ± 0.2 d | 1088.26 ± 5.9 a |
| PLAEC5/ENR | 20.8 ± 0.8 b | 3.8 ± 0.1 c | 620.30 ± 10.3 e |
| PLAEC10/ENR | 20.2 ± 0.3 b | 3.3 ± 0.1 b | 820.27 ± 2.4 c |
| PLAEC20/ENR | 16.6 ± 0.5 a | 3.3 ± 0.1 b | 664.82 ± 1.5 d |
| No annealing | 29.9 ± 0.2 a | 6.0 ± 0.1 b | 1187.63 ± 2.3 a |
| 5 min | 30.1 ± 0.1 a | 7.3 ± 0.1 a | 892.22 ± 1.9 b |
| 15 min | 28.9 ± 0.2 b | 5.1 ± 0.1 c | 892.01 ± 1.5 b |
| 30 min | 14.7 ± 0.1 d | 4.6 ± 0.2 d | 785.48 ± 1.1 e |
| 60 min | 17.3 ± 0.5 e | 2.9 ± 0.2 e | 864.09 ± 6.7 c |
| 120 min | 12.9 ± 0.1 f | 2.7 ± 0.1 f | 379.08 ± 1.5 f |
The mean values indicated by the different lowercase superscript letters are significantly different (p < 0.05), n = 5.