Table 3.
Thermal properties of PVA nanofibers before and after solvent vapor treatment at temperature of 40 °C for 4 h.
| Sample Treatment | At glass phase Transition (Tg) |
At melting phase transition (Tm) |
DSC Crystallinity (%) | ||
|---|---|---|---|---|---|
| Tg (°C) | ΔH (J/g) | Tm (°C) | ΔH (J/g) | ||
| PVA-NF-Untreated | 88.5 | 176.45 | 229.75 | 57.50 | 41.49 |
| PVA-NF-DMF treated | 63.5 | 82.46 | 229.55 | 46.10 | 33.27 |
| PVA-NF-Methanol treated | 78.0 | 115.21 | 229.03 | 45.63 | 32.93 |
| PVA-NF-DMSO treated | 55.0 | 84.17 | 229.18 | 37.33 | 26.94 |