Table 2. Surface Activity Parameters, RSN, and Zeta Potentials of IPy-IL and AIPy-IL at 25 °C.
compound | cmc (mM) | (−∂γ/∂ ln c)T | γcmc (mN/m) | Δγ N.m–1 | Γmax ×10 –6 (mol/m2) | Amin (nm2/molecule) | RSN | aggregation diameter (nm) | zeta potential (mv) |
---|---|---|---|---|---|---|---|---|---|
IPy-IL | 0.657 | 5.943 | 36 ± 0.5 | 39.1 ± 0.5 | 2.473 | 0.067 | 20.6 | 1229 | 7.05 ± 0.1 |
AIPy-IL | 0.487 | 5.41 | 37.5 ± 0.5 | 42.1 ± 0.5 | 2.184 | 0.076 | 17.3 | 1460 | 49.71 ± 0.8 |