Table 4.
Effect of solvents on the solution properties and morphologies of fibrous membranes.
| Polymers | Solvents | Viscosity (cps) | Conductivity (μS m−1) | Av. fiber dia. (nm) | Av.nanowire dia. (nm) | Reference |
|---|---|---|---|---|---|---|
| PAA | H2O | 170 | 1401 | 510 | – | [32] |
| H2O/ethanol (50/50 wt%) | 585 | 129 | 745 | – | ||
| Ethanol | 336 | 6.4 | 841 | 20 | ||
| Gelatin | Formic acid | – | – | 90 | 24 | [108] |
| Acetic acid | – | – | 730 | 30 | ||
| PA-6 | Formic acid | 1375 | 412000 | 80–110 | 10–24 | [137] |
| Formic acid/dichloromethane (60/40 wt%) | 2338 | 157000 | 150–300, 600–800 | 13–34 | ||
| Formic acid/acetic acid (60/40 wt%) | 2326 | 112700 | 100–220 | 8–32 | ||
| Formic acid/chlorophenol (50/50 wt%) | 13,354 | 60,800 | 175–220 | 18–28 | ||
| Chlorophenol | 5255 | 42 | 100–220 | – | ||
| Hexafluoroiso propanol | 11,787 | 308 | 900–1200 | – | ||