Surface and Interfacial Performance of Unsaturated Octadecyl Carboxybetaine
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Shuangjian Dong
, Yunling Li , Jinping Niu and Xiaochen Liu
Abstract
The surface tension of the unsaturated octadecyl carboxybetaine aqueous solution, and the interfacial tension between crude oil and surfactant solutions prepared by formation water were measured. Meanwhile, solutions of the corresponding saturated octadecyl carboxybetaine were prepared and determined for comparison. The effect of surfactant concentration, Na+ concentration, and Ca2+ concentration on the interfacial behavior of crude oil-water were investigated in detail. The results showed that the critical micelle concentration of unsaturated octadecyl carboxybetaine was higher but the surface tension at critical micelle concentration was lower than the corresponding saturated octadecyl carboxybetaine. Compared to the saturated betaine, the interfacial tension of unsaturated octadecyl carboxy betaine could reach to ultralow values (10–3 mN · m–1) at lower surfactant concentration and at higher Na+ concentration and Ca2+ concentration.
Kurzfassung
Die Oberflächenspannung des ungesättigten Octadecylcarboxybetains in wässriger Lösung und die Grenzflächenspannung zwischen Rohöl und elektrolythaltiger Tensidlösungen (formation water) wurden gemessen. Für Vergleichszwecke wurden parallel dazu Lösungen des entsprechenden gesättigten Octadecylcarboxybetains hergestellt und vermessen. Der Einfluss der Tensidkonzentration, der Na+-Konzentration und der Ca2+-Konzentration auf das Grenzflächenverhalten von Rohöl und Wasser wurden detailliert bestimmt. Die Ergebnisse zeigten, dass die kritische Mizellbildungskonzentration geringer war als die des entsprechenden gesättigten Octadecylcarboxybetains. Die Grenzflächenspannung des ungesättigten Octadecylcarboxybetains konnte bei geringeren Tensidkonzentrationen und höheren Na+- und Ca2+-Konzentrationen ultraniedrige Werte (10–3 mN · m–1) annehmen.
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© 2013, Carl Hanser Publisher, Munich
Articles in the same Issue
- Contents/Inhalt
- Contents
- Abstracts
- Abstracts
- Application
- Surface and Interfacial Performance of Unsaturated Octadecyl Carboxybetaine
- Synthesis of Thermoresponsive SiO2 Composite Modified by Nonionic Organosilicone Surfactant
- Combination of Best Promoter and Micellar Catalyst for Chromic Acid Oxidation of D-Mannitol to Mannose in Aqueous Media
- Antimicrobial Efficacy of Hygiene Rinsers under Consumer-Related Conditions
- Environmental Chemistry
- How Effective are Alternative Ways of Laundry Washing?
- Novel Surfactants
- Foaming Behavior of Dialdehyde Starch Schiff-base Derivatives
- Novel Diphenyl Methane Based Quaternary Ammonium Surfactants: Synthesis, Surface Properties and Antimicrobial Activity
- Physical Chemistry
- Interaction of Cationic CTAB Surfactant with Curcumin, an Anticarcinogenic Drug: Spectroscopic Investigation
- Parametric Optimization and Thermo-dynamic Studies on the Influence of Electrolytes on Sodium Salicylate in Aqueous Solution
- Effect of Cationic Surfactant on the Oxidation of Galactose by N-Bromophthalimide in the Presence of Acidic Medium: A Kinetic and Mechanistic Study
- News
- Retirement of Professor Ulrich Buller
Articles in the same Issue
- Contents/Inhalt
- Contents
- Abstracts
- Abstracts
- Application
- Surface and Interfacial Performance of Unsaturated Octadecyl Carboxybetaine
- Synthesis of Thermoresponsive SiO2 Composite Modified by Nonionic Organosilicone Surfactant
- Combination of Best Promoter and Micellar Catalyst for Chromic Acid Oxidation of D-Mannitol to Mannose in Aqueous Media
- Antimicrobial Efficacy of Hygiene Rinsers under Consumer-Related Conditions
- Environmental Chemistry
- How Effective are Alternative Ways of Laundry Washing?
- Novel Surfactants
- Foaming Behavior of Dialdehyde Starch Schiff-base Derivatives
- Novel Diphenyl Methane Based Quaternary Ammonium Surfactants: Synthesis, Surface Properties and Antimicrobial Activity
- Physical Chemistry
- Interaction of Cationic CTAB Surfactant with Curcumin, an Anticarcinogenic Drug: Spectroscopic Investigation
- Parametric Optimization and Thermo-dynamic Studies on the Influence of Electrolytes on Sodium Salicylate in Aqueous Solution
- Effect of Cationic Surfactant on the Oxidation of Galactose by N-Bromophthalimide in the Presence of Acidic Medium: A Kinetic and Mechanistic Study
- News
- Retirement of Professor Ulrich Buller