Solution Behavior of Anionic Surfactant Molecular Complexes
We have already reported the solution behavior as examined by electrical conductivity for cationic surfactant molecular complexes composed of quaternary ammonium salts such as CTAB and various aromatic additive species such as phenols and amines. By the same electrical conductivity method, we have obtained many valuable results which establish the newly obtained anionic surfactant molecular complexes to be novel surfactant species displaying their own characteristic CMCs and Krafft points different from those of their mother surfactants. Through the solution behavior, furthermore, we could deduce that a solubilized solution system that was of molar composition equal to that of the complex in the surfactant and the solubilizate (additive) was perfectly identical to the dissolution system of the complex. The facts satisfactorily confirmed that a solubilized solution system was only the dissolution system of the complex which spontaneously resulted in the process of solubilization.
Hirata
H
Niigata College of Pharmacy, 2-13-5 Kamishin'eicho, Niigata, Japan
Iimura
N