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Revision of the Adsorption Behavior of the Non-ionic Surfactant Tetraoxyethylene Decylether C10 E4 at the Water/Air Interface

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Published/Copyright: May 8, 2013
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Tenside Surfactants Detergents
From the journal Tenside Surfactants Detergents Volume 42 Issue 5

Abstract

The adsorption kinetics of the non-ionic surfactant C10 E4 was studied by maximum bubble pressure (MPT-2) and drop/bubble shape analysis tensiometry (PAT-1). The two methods complement each other and show good agreement in the overlapping time range if the problem of the so-called initial load at the drop/bubble surface is considered properly. The adsorption appears to be diffusion-controlled, giving an average diffusion coefficient of the order of 110−10 m2 s−1. At higher surfactant concentrations, the adsorption rate tends to change to a non-diffusional mechanism, which is possibly caused by surface active impurities.

Kurzfassung

Die Adsorptionskinetik des nichtionischen Tensids C10 E4 wurde mittels maximalem Blasendruck (MPT-2) und der Tropfen/Blasen-Profiltensiometrie (PAT-1) studiert. Die beiden Methoden ergänzen einander und zeigen eine gute Übereinstimmung im überlappenden Zeitbereich, wenn das Problem der sogenannten initial load bei der Tropfen/Blasen-Oberfläche genau betrachtet wird. Die Adsorption erscheint diffusionsgesteuert bei einem Durchschnittsdiffusionskoeffizienten in der Größenordung von 1 · 10−10 m2 s−1. Bei höheren Tensidkonzentrationen tendiert die Adsorptionsrate zu einem Wechsel in einen nichtdiffusen Mechanismus, was möglicherweise durch oberflächenaktive Verunreinigungen verursacht wird.

Keywords:: Non-ionic surfactants; C10 E4; adsorption kinetics; reorientation model; dynamic surface tensions
Schlüsselwörter: Nichtionische Tenside; C10 E4; Adsorptionskinetik; Umorientierungsmodell; dynamische Oberflächenspannungen
4Dr. Cosima Stubenrauch, University College Dublin School of Chemical and Bioprocess Engineering Belfield, Dublin 4 Ireland E-mail:

Dr. Judith Schlarmann studied chemistry at the University of Cologne where she received her PhD in Physical Chemistry in 2004. She is working for the Engelhard Process Chemicals GmbH in Hannover (Germany) since 2005.

Dr. habil. Cosima Stubenrauch studied chemistry at the universities of Münster and Freiburg and received her PhD in Physical Chemistry at the TU Berlin in 1997. After a postdoctoral year at the Université Paris Sud, she worked as an associate researcher and lecturer at the Institute of Physical Chemistry at the University of Cologne from 1999–2004. Since 2005 she has a position as Lecturer at University College Dublin (Ireland).

Dr. habil. Reinhard Miller studied mathematics at the University of Rostock and colloid chemistry at the Technical University Dresden, and received his PhD in 1978 at the Academy of Sciences (GDR) in Berlin. Since 1991, he works as senior scientist at the Max Planck Institute for Colloids and Interfaces in Golm, Germany. He is editor of the journal Advances in Colloid Interface Science and of the monograph series Studies in Interface Science.

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Received: 2005-7-21
Published Online: 2013-05-08
Published in Print: 2005-11-01

© 2005, Carl Hanser Publisher, Munich

Articles in the same Issue

  1. Contents/Inhalt
  2. Contents
  3. Abstracts
  4. Abstracts
  5. Analysis
  6. Ultrasonic Extraction and TLC Determination of Surfactants in Laundry Wastewaters
  7. Environmental Chemistry
  8. Rapeseed Methyl Ester Ethoxylates: A New Class of Surfactants of Environmental and Commercial Interest
  9. Physical Chemistry
  10. Effect of Counterions and Temperature on the Association and Partition Balances of Hexadecylpyridinium Halides in Aqueous Solutions
  11. Study of the Cloud Point of C12 E6 Nonionic Surfactant: Effect of Additives
  12. Oxo-Alcohol Ethoxylates: Surface and Thermodynamic Properties and Effect of Various Additives on the Cloud Point
  13. Revision of the Adsorption Behavior of the Non-ionic Surfactant Tetraoxyethylene Decylether C10 E4 at the Water/Air Interface
  14. Synthesis
  15. Synthesis and Surfactant Properties of Triethanolammonium Salts of N-Acylated N-Carboxyethylglycine
https://doi.org/10.3139/113.100273
Keywords for this article
Non-ionic surfactants; C10 E4; adsorption kinetics; reorientation model; dynamic surface tensions

Articles in the same Issue

  1. Contents/Inhalt
  2. Contents
  3. Abstracts
  4. Abstracts
  5. Analysis
  6. Ultrasonic Extraction and TLC Determination of Surfactants in Laundry Wastewaters
  7. Environmental Chemistry
  8. Rapeseed Methyl Ester Ethoxylates: A New Class of Surfactants of Environmental and Commercial Interest
  9. Physical Chemistry
  10. Effect of Counterions and Temperature on the Association and Partition Balances of Hexadecylpyridinium Halides in Aqueous Solutions
  11. Study of the Cloud Point of C12 E6 Nonionic Surfactant: Effect of Additives
  12. Oxo-Alcohol Ethoxylates: Surface and Thermodynamic Properties and Effect of Various Additives on the Cloud Point
  13. Revision of the Adsorption Behavior of the Non-ionic Surfactant Tetraoxyethylene Decylether C10 E4 at the Water/Air Interface
  14. Synthesis
  15. Synthesis and Surfactant Properties of Triethanolammonium Salts of N-Acylated N-Carboxyethylglycine
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