Adsorption and Surface Properties of Mixtures of Fatty Acid Methyl Ester Ethoxylates and Sodium Dodecylbenzene Sulfonate
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Pengpeng Wen
Abstract
Adsorption behavior of mixtures of fatty acid methyl ester ethoxylates (FMEE) and sodium dodecylbenzene sulfonate (LAS) was studied and the adsorption parameters were calculated. The critical micelle concentration (CMC) and surface tension were measured by Wilhelmy plate method. Physicochemical properties of the mixtures were also investigated, such as cloud point and foaming property. The results show that the CMC of LAS was much higher than that of FMEE and decreased significantly by adding a low quantity of FMEE, while a powerful interaction between FMEE and LAS molecules in the micelles and the surface adsorption layer was exhibited. The cloud point and foaming property of the mixtures increased with increasing LAS content. An obvious change of the physical form of LAS solution by adding FMEE was observed.
Kurzfassung
Das Adsorptionsverhalten von Mischungen aus Fettsäuremethylesterethoxylaten (FMEE) und Natriumdodecylbenzensulfonat (LAS) wurde untersucht und die Adsorptionsparameter berechnet. Die kritische Mizellenbildungskonzentration (CMC) und die Oberflächenspannung wurden mit der Wilhelmy-Platten-Methode gemessen. Die physikalisch-chemischen Eigenschaften der Mischungen, wie Trübungspunkt und Schaumverhalten, wurden ebenfalls untersucht. Die Ergebnisse zeigen, dass die CMC von LAS viel höher war als die von FMEE und nach Zugabe einer geringen Menge an FMEE signifikant abnahm, während eine starke Wechselwirkung zwischen FMEE- und LAS-Molekülen in den Mizellen und Oberflächenadsorptionsschichten nachgewiesen wurde. Der Trübungspunkt und die Schaumbildungseigenschaft der Mischungen nahmen mit zunehmendem LAS-Gehalt zu. Es wurde eine deutliche Änderung der physikalischen Form der LAS-Lösung durch Hinzufügen von FMEE beobachtet.
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© 2018, Carl Hanser Publisher, Munich
Articles in the same Issue
- Contents/Inhalt
- Contents
- Review Article
- Synthesis, Properties and Applications of Anionic Phosphate Ester Surfactants: A Review
- Detergent Ingredients
- Biological Surfactants vs. Polysorbates: Comparison of Their Emulsifier and Surfactant Properties
- Environmental Chemistry
- Green and Efficient Reverse Micellar Extraction and Recovery of Mixed Ionic Dyes from Textile Effluent
- Physical Chemistry
- Thermodynamic and Interfacial Properties of Cationic Gemini Surfactant in the Presence of Alcohols
- Research of Binary Surfactant Mixtures Based on N-Lauroyl Sarcosinate
- Surface and Interfacial Properties of Mono and Didodecyl Diphenyl Ether Disulfonates
- Application
- Adsorption and Surface Properties of Mixtures of Fatty Acid Methyl Ester Ethoxylates and Sodium Dodecylbenzene Sulfonate
- Synthesis
- Synthesis and Interfacial Tensions of Sodium p-Dimethyl Dodecylbenzene Sulfonates
- Synthesis of 4-Hydroxy-4-(4-nitrophenyl)butan-2-one using p-Nitro Benzaldehyde and Acetone in Aqueous Micellar Media using L-Proline
- Novel Surfactants
- Foam and Rheological Properties of a Kind of Extended Surfactants
- Formation of Mixed Micelles of the Environmentally Acceptable Oxy-Diester-Linked Gemini Surfactants with Brij 58
Articles in the same Issue
- Contents/Inhalt
- Contents
- Review Article
- Synthesis, Properties and Applications of Anionic Phosphate Ester Surfactants: A Review
- Detergent Ingredients
- Biological Surfactants vs. Polysorbates: Comparison of Their Emulsifier and Surfactant Properties
- Environmental Chemistry
- Green and Efficient Reverse Micellar Extraction and Recovery of Mixed Ionic Dyes from Textile Effluent
- Physical Chemistry
- Thermodynamic and Interfacial Properties of Cationic Gemini Surfactant in the Presence of Alcohols
- Research of Binary Surfactant Mixtures Based on N-Lauroyl Sarcosinate
- Surface and Interfacial Properties of Mono and Didodecyl Diphenyl Ether Disulfonates
- Application
- Adsorption and Surface Properties of Mixtures of Fatty Acid Methyl Ester Ethoxylates and Sodium Dodecylbenzene Sulfonate
- Synthesis
- Synthesis and Interfacial Tensions of Sodium p-Dimethyl Dodecylbenzene Sulfonates
- Synthesis of 4-Hydroxy-4-(4-nitrophenyl)butan-2-one using p-Nitro Benzaldehyde and Acetone in Aqueous Micellar Media using L-Proline
- Novel Surfactants
- Foam and Rheological Properties of a Kind of Extended Surfactants
- Formation of Mixed Micelles of the Environmentally Acceptable Oxy-Diester-Linked Gemini Surfactants with Brij 58
