Table 1 Properties of different electrospinning solutions
From: Fabrication of CA/TPU Helical Nanofibers and its Mechanism Analysis
Solvent (volume ratio) | Concentration (wt.−%) | Amount of LiCl (wt.−%) | Surface tension (N m−1) | Viscosity (Pa.s) | Conductivity (μS cm−1) | |
|---|---|---|---|---|---|---|
CA | DMAc: acetone = 1:2 | 12 | 0 | 29.76 | 1.211 | – |
14 | 0 | 30.12 | 1.263 | – | ||
14 | 0.5 | 31.49 | 1.347 | 1.19 | ||
14 | 1 | 35.84 | 1.373 | 1.54 | ||
14 | 2 | 38.21 | 1.824 | 1.93 | ||
16 | 0 | 37.89 | 2.137 | – | ||
TPU1 | DMAc: THF = 3:1 | 18 | – | 34.45 | 1.462 | – |
TPU2 | DMAc: acetone = 3:1 | 18 | – | 25.34 | 1.321 | – |