Table 3.
DSC data of PLA and PLA-Ag nanocomposites obtained by mechanical and in situ method.
| Specimen | Glass Transition | Cold Crystallization | Melting | χC, % | |||
|---|---|---|---|---|---|---|---|
| Tg, °C |
ΔCp, J/g·°C |
Tccr, °C |
ΔHccr, J/g | Tm, °C |
ΔHm, J/g | ||
| PLA | 59.2 | 0.412 | 135.1 | 16.74 | 166.1 | 18.12 | 19.5 |
| PLA-1 wt.% Ag (mech. method) | 61.3 | 0.378 | 119.7 | 37.35 | 172.3 | 34.21 | 37.1 |
| PLA-2 wt.% Ag (mech. method) | 61.2 | 0.432 | 117.6 | 34.71 | 173.2 | 32.83 | 36.0 |
| PLA-4 wt.% Ag (mech. method) | 60.5 | 0.443 | 119.0 | 35.0 | 170.9 | 33.58 | 37.6 |
| PLA-1 wt.% Ag (in-situ) |
57.6 | 0.459 | 112.5 | 28.5 | 160/166.4 | 28.12 | 32.0 |
| PLA-2 wt.% Ag (in-situ) |
55.7 | 0.449 | 103.2 | 22.97 | 158.4/165.0 | 23.51 | 27.7 |
| PLA-4 wt.% Ag (in-situ) |
54.8 | 0.394 | 99.0 | 20.35 | 156.5/163.6 | 25.09 | 31.9 |