Micellization of Cetyltributylphosphonium Bromide in some Binary Aqueous Solvents Mixtures
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and
Abstract
The micellization behavior of cetyltributylphosphonium bromide (CTBPB) has been studied in aqueous ethylene glycol, dimethyl formamide, dimethyl sulfoxide, acetonitrile, 1-propanol, methanol, 1,4-dioxane and tetrahydrofuran mixtures (10–20% v/v) over the temperature range (300–320 K) by conductometry. The critical micelle concentration (cmc), extent of counterion binding (α) and thermodynamic parameters (ΔGom, ΔHom, ΔSom) for micellization process have been reported and discussed. The cmc values were found to increase with an increase in temperature and % of organic solvent.
Kurzfassung
Das Mizellbildungsverhalten von Cetyltributylphosphoniumbromid (CTBPB) wurde in wässrigen Ethylenglycol, Dimethylformamid, Dimethylsulfoxid, Acetonitril, 1-Propanol, Methanol, 1,4-Dioxan und Tetrahydrofuran-Mischungen (10–20% v/v) über einen Temperaturbereich von 300–320 K mittels Konduktometrie untersucht. Über die kritische Mizellbildungskonzentration (cmc), das Ausmaß der Gegenionenbindung (α) und die thermodynamischen Parameter (ΔGom, ΔHom, ΔSom) des Mizellbildungsprozesses wurde berichtet und diskutiert. Gefunden wurde eine Erhöhung der cmc-Werte bei steigender Temperatur und prozentualer Zunahme an organischem Lösungsmittel.
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© 2008, Carl Hanser Publisher, Munich
Articles in the same Issue
- Contents/Inhalt
- Contents
- Abstracts
- Abstracts
- Application
- Synthesis of an Imidazoline Phosphate Surfactant and its Application on Corrosion Inhibition
- Properties of Oxyethylenated Fatty Acid Methyl Esters and Ethyl Esters; Hydrolysis, Critical Micelle Concentrations and Foaming
- Effect of Nano and Micro Emulsion Silicone Softeners on Properties of Polyester Fibers
- Novel Surfactants
- Synthesis, Characterization and Surface Active Properties of Imidazolinium Surfactant Derived from Oleic Acid and Diethylenetriamine
- Physical Chemistry
- Micellization of Cetyltributylphosphonium Bromide in some Binary Aqueous Solvents Mixtures
- Micellar Studies of Magnesium Soaps Using Ion-selective Electrode
- Influence of the Cross-sectional Geometry on Wettability and Cleanability of Polyester Woven Fabrics
Articles in the same Issue
- Contents/Inhalt
- Contents
- Abstracts
- Abstracts
- Application
- Synthesis of an Imidazoline Phosphate Surfactant and its Application on Corrosion Inhibition
- Properties of Oxyethylenated Fatty Acid Methyl Esters and Ethyl Esters; Hydrolysis, Critical Micelle Concentrations and Foaming
- Effect of Nano and Micro Emulsion Silicone Softeners on Properties of Polyester Fibers
- Novel Surfactants
- Synthesis, Characterization and Surface Active Properties of Imidazolinium Surfactant Derived from Oleic Acid and Diethylenetriamine
- Physical Chemistry
- Micellization of Cetyltributylphosphonium Bromide in some Binary Aqueous Solvents Mixtures
- Micellar Studies of Magnesium Soaps Using Ion-selective Electrode
- Influence of the Cross-sectional Geometry on Wettability and Cleanability of Polyester Woven Fabrics