Bulk-Solution Properties of CpyCl/CTABr a Mixed Surfactant System in the Presence of Nonionic Hydrotropes
Colloid and Surface Science
Volume 3, Issue 2, June 2018, Pages: 12-21
Received: Apr. 27, 2018;
Accepted: May 31, 2018;
Published: Sep. 13, 2018
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Olaseni Segun Esan, Department of Chemical Sciences, Adekunle Ajasin University, Akungba-Akoko, Nigeria
Bankole Owolabi Mutolib, Department of Chemical Sciences, Adekunle Ajasin University, Akungba-Akoko, Nigeria
Aboluwoye Christopher Olumuyiwa, Department of Chemical Sciences, Adekunle Ajasin University, Akungba-Akoko, Nigeria
Owoyomi Olarenwaju, Department of Chemistry, Obafemi Awolowo University, Ile-Ife, Nigeria
Oyeneyin Oluwatoba Emmanuel, Department of Chemical Sciences, Adekunle Ajasin University, Akungba-Akoko, Nigeria
The current research work centred on the micellization of binary system of Cetylpyridinium chloride (CpyCl) and cetyltrimethylammonium bromide (CTABr) in the absence and presence of nonionic hydrotropes (i.e urea and resorcinol) using conductometric technique. The critical micelle concentrations (CMC), at different mixed mole fraction of mixed surfactant were evaluated. Activity coefficient, ideal CMC, micellar mole fraction, interaction and thermodynamic parameters were obtained using theoretical Clint and Rubingh models.Addition of hydrotropes lowered the CMC values than the ideal CMC values and the individual components which is an indication of positive synergistic interaction in CpyCl/CTABr mixed micelle formation. The interaction parameter values were all negative, signifying strong interaction between the mixed surfactant. The evaluated thermodynamic parameters were all negative, indicating spontaneity and stability of the mixed micelle formed.
Olaseni Segun Esan,
Bankole Owolabi Mutolib,
Aboluwoye Christopher Olumuyiwa,
Oyeneyin Oluwatoba Emmanuel,
Bulk-Solution Properties of CpyCl/CTABr a Mixed Surfactant System in the Presence of Nonionic Hydrotropes, Colloid and Surface Science.
Vol. 3, No. 2,
2018, pp. 12-21.
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