Table 2 Emulsification ability of various non-ionic surfactants to emulsify the Triacetin (triacetin:surfactant = 1:1, water 96 wt.%, 25 °C)
Surfactant | Molecular weight (g/mol) | HLB | Transmittance (%) | Droplet Size (r.nm) | PDI | Emulsification time (sec) |
|---|---|---|---|---|---|---|
Cremophor EL | ≈ 1630 | 12–14 | 100.08 ± 0.02 | 17.03 ± 0.83 | 0.33 ± 0.06 | 82.50 ± 3.12 |
Cremophor RH 40 | ≈ 2500 | 14–16 | 99.96 ± 0.05 | 13.91 ± 0.55 | 0.17 ± 0.08 | 84.5 ± 6.26 |
Tween 20 | 1228 | 16.7 | 100.36 ± 0.01 | 40.32 ± 18.08 | 0.52 ± 0.14 | 65.00 ± 7.07 |
Tween 80 | 1310 | 15 | 99.38 ± 0.03 | 12.94 ± 0.89 | 0.28 ± 0.07 | 171.00 ± 12.00 |