Table 6.
Mechanical properties of neat PLA, PLA/PLA-g-MA3/CNF0 and PLA/PLA-g-MA/CNF3 nanocomposites.
| Composition | Tensile Strength (MPa) | Young’s Modulus (GPa) | Elongation at Break (%) |
|---|---|---|---|
| Neat PLA | 70.8 ± 0.1 b | 2.9 ± 0.0 f | 2.54 ± 0.1 a |
| PLA/PLA-g-MA3/CNF0 | 70.0 ± 0.3 c | 11.0 ± 0.9 d | 2.46 ± 0.4 b |
| PLA/PLA-g-MA0/CNF3 | 74.1 ± 0.1 a | 3.3 ± 0.1 e | 2.34 ± 0.1 c |
| PLA/PLA-g-MA1/CNF3 | 66.1 ± 0.5 d | 11.5 ± 0.2 c | 2.17 ± 0.3 d |
| PLA/PLA-g-MA2/CNF3 | 65.9 ± 0.8 d,e | 11.6 ± 0.1 c | 2.14 ± 0.1 d |
| PLA/PLA-g-MA3/CNF3 | 65.7 ± 0.1 e | 11.7 ± 0.4 b,c | 2.11 ± 0.1 e |
| PLA/PLA-g-MA4/CNF3 | 65.5 ± 0.2 e | 11.8 ± 0.1 b,c | 2.05 ± 0.3 f |
All data are means of 5 replicates ± S.D. The alphabets indicate significant difference (p < 0.05) according to Duncan’s Multiple Range Test.