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Dynamic Surface Properties of Eco-Friendly Cationic Saccharide Surfactants at the Water/Air Interface

  • Lifei Zhi , Xiaoming Li , Hui Wang , Yongbin Xue , Qinghua Zhang und Xiangjun Wang
Veröffentlicht/Copyright: 13. November 2019
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Tenside Surfactants Detergents
Aus der Zeitschrift Tenside Surfactants Detergents Band 56 Heft 6

Abstract

The equilibrium surface properties and dynamic surface tension (DST) are presented for aqueous solutions of novel eco-friendly cationic saccharide surfactants (CnDGPB) at different concentrations and temperatures. The equilibrium surface tension, the DST, the effective diffusion coefficients and the activation barrier of the surfactants are calculated and analyzed. In addition, the general diffusion mechanism of the surfactants is proposed. The equilibrium surface tension results show that the γCMC and CMC values decrease with increasing temperature. The interactions (repulsion forces) between the hydrophobic groups and water molecules decrease with increasing temperature, which results in increased HLB values. This phenomenon causes a higher Amin and lower Γmax. The DST of CnDGPB below and above the CMC is tested by the maximum bubble pressure method at temperature from 25 °C to 45 °C. The adsorption activation energy of CnDGPB is between 3 kJ/mol and 20 kJ/mol. The results show that the final stages of the DST decays are consistent with the activated diffusion-controlled adsorption mechanism.

Kurzfassung

Die Gleichgewichts-Oberflächeneigenschaften und die dynamische Oberflächenspannung (DST) werden für wässrige Lösungen neuartiger umweltfreundlicher kationischer Saccharidtenside (CnDGPB) bei verschiedenen Konzentrationen und Temperaturen dargestellt. Die Gleichgewichts-Oberflächenspannung, die DST, die effektiven Diffusionskoeffizienten und Aktivierungsbarrieren der Tenside werden berechnet und analysiert. Zusätzlich wird ein allgemeiner Diffusionsmechanismus der Tenside vorgeschlagen. Die Ergebnisse der Oberflächenspannung im Gleichgewicht zeigen, dass γCMC und die CMC mit zunehmender Temperatur abnehmen. Die Wechselwirkungen (Abstoßungskräfte) zwischen den hydrophoben Gruppen und den Wassermolekülen nehmen mit zunehmender Temperatur ab, was zu höheren HLB-Werten führt. Dieses Phänomen führt zu höherem Amin und niedrigerem Γmax. Die DST von CnDGPB unterhalb und oberhalb der CMC wird mit der maximalen Blasendruck-Methode bei Temperaturen von 25 °C bis 45 °C untersucht. Die Adsorptionsaktivierungsenergie von CnDGPB liegt zwischen 3 kJ/mol und 20 kJ/mol. Die Ergebnisse zeigen, dass die Endstufen der DST-Abnahme mit dem aktivierten diffusionskontrollierten Adsorptionsmechanismus übereinstimmen.

Key words: Dynamic surface tension; equilibrium surface tension; cationic saccharide surfactants; diffusion coefficients; activation barrier
Stichwörter: Dynamische Oberflächenspannung; Gleichgewichts-Oberflächenspannung; kationische Saccharidtenside; Diffusionskoeffizienten; Aktivierungsbarriere
∗Correspondence address, Dr. Lifei Zhi, and Xiaoming Li, Taiyuan University of Science and Technology, 66# Waliu Str. Taiyuan, Shanxi Province, 030024, P. R. China, Tel.: 0 86-3 51-6 93 82 02, E-Mail:

Lifei Zhi, Senior Enginner, Taiyuan University of Science and Technology. She received her Ph. D. from Shanxi University, China. Her research field is focused on the synthesis, physicochemical property and theoretical research of novel sugar-based surfactants.

Xiaoming Li, Associate Professor, Taiyuan University of Science and Technology. Her research field is focused on the application investigation of surfactants.

Hui Wang, Lecturer, Taiyuan University of Science and Technology. Her research field is focused on the theoretical investigation of surfactants.

Yongbin Xue, Associate Professor, Taiyuan University of Science and Technology. Her research field is focused on the application development of surfactants.

Qinghua Zhang, Associate Professor, Taiyuan University of Science and Technology. Her research field is focused on the analysis and detection of surfactants.

Xiangjun Wang, Associate Professor, Taiyuan University of Science and Technology. Her research field is focused on the application development of surfactants.

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Received: 2018-10-19
Accepted: 2019-02-20
Published Online: 2019-11-13
Published in Print: 2019-11-15

© 2019, Carl Hanser Publisher, Munich

Artikel in diesem Heft

  1. Contents/Inhalt
  2. Contents
  3. Dish Washing
  4. Potential of Near-Infrared Spectroscopy to Evaluate the Cleaning Performance of Dishwashing Processes
  5. Socio-demographic Differences in Washing-up Behaviour in Germany
  6. Physical Chemistry
  7. Dynamic Surface Properties of Eco-Friendly Cationic Saccharide Surfactants at the Water/Air Interface
  8. Dependence of Surface Tension on Surface Concentration in Ionic Surfactant Solutions and Influences of Supporting Electrolyte Therein
  9. Solubilization and Thermodynamic Attributes of Nickel Phenanthroline Complex in Micellar Media of Sodium 2-Ethyl Hexyl Sulfate and Sodium Bis(2-ethyl hexyl) Sulfosuccinate
  10. Novel Surfactants
  11. Synthesis and Properties of Novel Catanionic Surfactant Phosphonium Benzene Sulfonate
  12. A Micellar-Enhanced Spectrofluorimetric Method for the Determination of Ciprofloxacin in Pure Form, Pharmaceutical Preparations and Biological Samples
  13. Micellar Catalysis
  14. A Review on Micellar Catalyzed Oxidation Reactions of Organic Functional Groups in Aqueous Medium Using Various Transition Metals
  15. Application
  16. Application of Oxidative Fatty Acid Esters in Amino Acid Surfactants
  17. Environmental Chemistry
  18. Adsorptive Removal of Cetyltrimethyl Ammonium Bromide (CTAB) Surfactant from Aqueous Solution: Crossbreed Pilot Plant Membrane Studies
https://doi.org/10.3139/113.110650
Schlagwörter für diesen Artikel
Dynamic surface tension; equilibrium surface tension; cationic saccharide surfactants; diffusion coefficients; activation barrier

Artikel in diesem Heft

  1. Contents/Inhalt
  2. Contents
  3. Dish Washing
  4. Potential of Near-Infrared Spectroscopy to Evaluate the Cleaning Performance of Dishwashing Processes
  5. Socio-demographic Differences in Washing-up Behaviour in Germany
  6. Physical Chemistry
  7. Dynamic Surface Properties of Eco-Friendly Cationic Saccharide Surfactants at the Water/Air Interface
  8. Dependence of Surface Tension on Surface Concentration in Ionic Surfactant Solutions and Influences of Supporting Electrolyte Therein
  9. Solubilization and Thermodynamic Attributes of Nickel Phenanthroline Complex in Micellar Media of Sodium 2-Ethyl Hexyl Sulfate and Sodium Bis(2-ethyl hexyl) Sulfosuccinate
  10. Novel Surfactants
  11. Synthesis and Properties of Novel Catanionic Surfactant Phosphonium Benzene Sulfonate
  12. A Micellar-Enhanced Spectrofluorimetric Method for the Determination of Ciprofloxacin in Pure Form, Pharmaceutical Preparations and Biological Samples
  13. Micellar Catalysis
  14. A Review on Micellar Catalyzed Oxidation Reactions of Organic Functional Groups in Aqueous Medium Using Various Transition Metals
  15. Application
  16. Application of Oxidative Fatty Acid Esters in Amino Acid Surfactants
  17. Environmental Chemistry
  18. Adsorptive Removal of Cetyltrimethyl Ammonium Bromide (CTAB) Surfactant from Aqueous Solution: Crossbreed Pilot Plant Membrane Studies
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