Gemini surfactants have received some interest for their potential applications as detergents. Thus, it is important to understand the physical properties of these molecules. In this study we investigated a series of 12-n-12 Gemini surfactants (where n = 2, 3 or 4) using isothermal titration calorimetry (ITC), conductivity, refractivity and dynamic light scattering (DLS) determinations. Thus, we have determined the enthalpy of micellization (DHmic), the critical micelle concentration (cmc), and the hydrodynamic radii of the micelles formed by these surfactants at concentrations above the cmc. In addition, we have investigated the interactions of these surfactants with simple lawn mower oil to evaluate their potential for oil spill remediation.

Physical properties of 12-n-12 gemini surfactants

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