Abstract
In this work, we studied the association and spectroscopic behaviour of amphiphilic drug, imipramine hydrochloride (IMP), and nonionic surfactant (TX-45), in the absence and presence of ionic liquid, 1-hexyl-3-methylimidazolium chloride (IL). IMP shows amphiphilic behaviour due to the presence of rigid tricyclic hydrophobic moiety in the body. Surface tension and absorbance measurements have been performed to study the nature of interactions between IMP and TX-45 mixtures in the nonattendance and attendance of IL. The diverse physical theories of mixed micellization (Clint, Rubingh, Motomura, and Maeda) were utilized to calculate the composition and interaction parameters. The Gibbs adsorption isotherm was adopted to compute the various surface parameters. The interaction between the two amphiphiles also evaluated via UV–visible spectroscopy.
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