Journal of Surfactants and Detergents

, Volume 15, Issue 3, pp 359–366 | Cite as

Surface Properties, Thermodynamic Aspects and Antimicrobial Activity of Some Novel Iminium Surfactants

  • Ismail AiadEmail author
  • Mohamed M. El-Sukkary
  • Ali El-Deeb
  • Moshira Y. El-Awady
  • Samy M. Shaban
Original Article


Novel iminium compounds namely p-benzylidene benzyldodecyl iminium chloride (I), p-benzylidene benzylhexadecyl iminium chloride (II), p-benzylidene benzyloctadecyl iminium chloride (III) were prepared and characterized using FTIR, 1H-NMR and mass spectroscopy. The surface properties such as surface and interfacial tension, and biological activity of these surfactants were investigated. The surface parameters including critical micelle concentration, maximum surface excess, and minimum surface area. Efficiency and effectiveness were calculated, as well as free energies of micellization and adsorption. The prepared cationic surfactants exhibit a better biological activity than the used reference cetyl trimethyl ammonium bromide.


Cationic surfactants Quaternary ammonium salts Surface parameters Thermodynamic aspects and biological activity 


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Copyright information

© AOCS 2011

Authors and Affiliations

  • Ismail Aiad
    • 1
    Email author
  • Mohamed M. El-Sukkary
    • 1
  • Ali El-Deeb
    • 2
  • Moshira Y. El-Awady
    • 1
  • Samy M. Shaban
    • 1
  1. 1.Petrochemical DepartmentEgyptian Petroleum Research InstituteCairoEgypt
  2. 2.Faculty of ScienceZagazig UniversityZagazigEgypt

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