Table 1.
Impacts of surfactants and co-surfactants on the nanoemulsion formation
| Surfactants | Co-surfactants |
Smix/oil |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 9:1 | 8:2 | 7:3 | 6:4 | 5:5 | 4:6 | 3:7 | 2:8 | 1:9 | ||
| EL-40 | Ethanol | √ | √ | √ | – | – | – | – | – | – |
| n-butanol | √ | √ | – | – | – | – | – | – | – | |
| i-propanol | √ | √ | – | – | – | – | – | – | – | |
| 1,2-propanediol | √ | √ | √ | – | – | – | – | – | – | |
| Tween-80 | Ethanol | – | – | – | – | – | – | – | – | – |
| n-butanol | – | – | – | – | – | – | – | – | – | |
| i-propanol | – | – | – | – | – | – | – | – | – | |
| 1,2-propanediol | – | – | – | – | – | – | – | – | – | |
Notes: √ represents the formation of nanoemulsion; – represents the absence of formation of nanoemulsion.