Table 5.
Tensile properties of films obtained for neat PLA and PLA reinforced with CCNF, CCNF/0.25AgNPs, and CCNF/2AgNPs. Different superscript letters (a,b,c,d) in each column indicate significant differences (p < 0.05).
| Sample | Young’s Modulus | Yield Strength | Yield Strain | Tensile Stress at Break | Strain at Break |
|---|---|---|---|---|---|
| (MPa) | (MPa) | (%) | (MPa) | (%) | |
| PLA | 1940.9 ± 271.3 a | 21.6 ± 4.7 a,b,c,d | 1.92 ± 0.48 b,c | 26.39 ± 5.30 a,b | 2.76 ± 0.88 a |
| PLA/CCNF 99:1 | 1923.7 ± 238.1 a | 19.9 ± 3.9 a,b,c | 1.31 ± 0.21 a | 28.66 ± 4.63 a,b,c | 2.19 ± 0.32 a |
| PLA/CCNF 96:4 | 1769.4 ± 170.3 a,b | 16.9 ± 2.9 a | 1.20 ± 0.08 a | 23.45 ± 3.88 a | 2.06 ± 0.40 a |
| PLA/CCNF/0.25AgNPs 99:1 | 2295.4 ± 203.1 c | 25.4 ± 6.3 d | 1.46 ± 0.40 a | 34.30 ± 7.16 c | 2.16 ± 0.48 a |
| PLA/CCNF/0.25AgNPs 96:4 | 2199.4 ± 107.6 c | 23.8 ± 3.5 c,d | 1.37 ± 0.27 a | 31.36 ± 4.44 b,c | 2.06 ± 0.39 a |
| PLA/CCNF/2AgNPs 99:1 | 1789.4 ± 253.5 a,b | 18.7 ± 1.9 a,b | 1.61 ± 0.36 a,b | 25.30 ± 2.81 a | 5.16 ± 2.33 b |
| PLA/CCNF/2AgNPs 96:4 | 1659.8 ± 166.1 b | 21.7 ± 2.0 b,c,d | 2.04 ± 0.42 c | 26.57 ± 1.82 a,b | 3.13 ± 0.91 a |