4. Conclusion
The chemical structure of prepared compounds has an effect on
surface properties where increasing hydrophobic chain length
decrease CMC, ’max while Amin increase. Thermodynamic parameters
showed that processes of adsorption and micellization are
spontaneous and prepared cationic surfactants tend to adsorb at
surface first then it form micelle. The prepared surfactants showed
good biological activity against Gram-positive and Gram-negative
bacteria and fungi