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Phase Boundaries, Optical Refraction and Specific Electrical Conductivity Properties in Lyotropic Micellar L1 Phase: Bicomponent Amphiphilic (DDTMABr + HDTMABr) + Water System

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Published/Copyright: January 15, 2018
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Tenside Surfactants Detergents
From the journal Tenside Surfactants Detergents Volume 55 Issue 1

Abstract

In this work, complex investigations of the temperature and concentration behaviour of the optical refraction properties and specific electrical conductivity properties in lyotropic micellar L1 phase have been carried out. Bicomponent amphiphilic (DDTMABr + HDTMABr) + water lyotropic systems with various DDTMABr/HDTMABr concentration ratios have been objects of our investigations. The phase diagram for L1 phase in this system has been determined. Effect of the DDTMABr/HDTMABr concentration ratios on the refractive index and specific electrical conductivity has been observed. The mutual influence of amphiphile with short alkyl chain (DDTMABr) and long alkyl chain (HDTMABr) on the phase states, refractive index and electrical conductivity properties has been found. Our results show that variation of the concentration ratio in a mixture of amphiphiles with different length of the non-polar tail gives possibility to regulate the hydrophilicity degree, optical density, refraction properties and specific electrical conductivity of mixed lyotropic systems.

Kurzfassung

In dieser Arbeit wurden komplexe Untersuchungen des Temperatur- und Konzentrationsverhaltens, der optischen Brechung und der spezifischen elektrischen Leitfähigkeit in der lyotropen micellaren L1-Phase durchgefüht. Lyotrope Systeme aus zwei amphiphilen Komponenten (DDTMABr + HDTMABr) und Wasser, in denen verschiedene DDTMABr/HDTMABr-Konzentrationsverhältnisse vorlagen, waren Gegenstand unserer Untersuchungen. Das Phasendiagramm für die L1-Phase in diesem System wurde bestimmt. Der Einfluss der DDTMABr/HDTMABr-Konzentrationsverhältnisse auf den Brechungsindex und die spezifische elektrische Leitfähigkeit wurde beobachtet. Der gegenseitige Einfluss von Amphiphilen mit kurzen (DDTMABr) und langen Alkylketten (HDTMABr) auf die Phasenzustände, den Brechungsindex und die elektrischen Leitfähigkeit wurde bestimmt. Unsere Ergebnisse zeigen, dass die Variation des Konzentrationsverhältnisses in einer Mischung von Amphiphilen mit unterschiedlicher Länge des nicht-polaren Anteils die Möglichkeit bietet, den Grad der Hydrophilizität, die optische Dichte, die Brechungseigenschaften und die spezifische elektrische Leitfähigkeit von gemischten lyotropen Systemen zu regulieren.

Key words: Lyotropic system; ionic surfactant; micelle; phase state; refractive index; electrical conductivity
Stichwörter: Lyotropes System; ionisches Tensid; Micelle; Phasenzustand; Brechungsindex; elektrische Leitfähigkeit
*Correspondence address, Prof. Dr. Arif Nesrullajev, Mugla Sitki Koçman University, Faculty of Natural Sciences, Department of Physics, Laboratory of Liquid and Solid Crystals, 48000 Mugla Kotekli, Turkey, E-Mail:

DSc PhD Arif Nesrullajev is Professor at Mugla Sitki Kocman University. He is author and co-author of more than 240 scientific works in field of Soft Matter Physics, Physics and Application of Liquid crystalline Materials. He obtained “Inventor of USSR” medal and various international and national awards. He worked as a Visiting Professor in Italy, Germany, Russia, Lithuania, Turkey and Hungary.

MSc Yasemin Altinay is PhD student at Department of Physics of Mugla Sitki Kocman University. She is co-author of some publications, connecting with physics and physical-chemistry of liquid crystals.

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Received: 2017-05-17
Accepted: 2017-08-21
Published Online: 2018-01-15
Published in Print: 2018-01-19

© 2018, Carl Hanser Publisher, Munich

Articles in the same Issue

  1. Contents/Inhalt
  2. Contents
  3. Editorial
  4. Review of the Year 2017
  5. Physical Chemistry
  6. On the Influence of Intersurfactant H-Bonds on Foam Stability: A Study with Technical Grade Surfactants
  7. Phase Boundaries, Optical Refraction and Specific Electrical Conductivity Properties in Lyotropic Micellar L1 Phase: Bicomponent Amphiphilic (DDTMABr + HDTMABr) + Water System
  8. Effect of Additives on the Phase Behavior of SDS/CTAB/H2O Systems
  9. Influence of Micellar Media on Extraction of Copper(II) from Sulphate and Chloride Solutions using an N,N′-Bis(salicylideneaminoethyl)amine Multidentate Schiff Base
  10. Environmental Chemistry
  11. Biodegradation of Oxyethylated Fatty Alcohols by Bacterium Pseudomonas alcaligenes; AE Biodegradation by Pseudomonas alcaligenes
  12. Influence of Organic Loading Rates (OLR) in Treatment of Pulp and Paper Mill Wastewater with Hybrid Upflow Anaerobic Sludge Blanket Reactor (HUASBR) with Hexagonal Polypropylene Inert Material
  13. Application
  14. Linear-Dendritic Block Copolymer Containing Fluorescent Groups: An Effective and Environmentally Benign Inhibitor for Calcium Carbonate
  15. Performance Evaluation and Application of the Surfactant Combinations showing Ultra-low Oil-Water Interfacial Tensions
  16. Synthesis
  17. Organosilicone Modified Styrene-Acrylic Latex: Preparation and Crude Oil Dehydration
  18. Synthesis and Characterization of Dicationic Gemini Surfactant Micelles and their Effect on the Rate of Ninhydrin–Copper-Peptide Complex Reaction
https://doi.org/10.3139/113.110533
Keywords for this article
Lyotropic system; ionic surfactant; micelle; phase state; refractive index; electrical conductivity

Articles in the same Issue

  1. Contents/Inhalt
  2. Contents
  3. Editorial
  4. Review of the Year 2017
  5. Physical Chemistry
  6. On the Influence of Intersurfactant H-Bonds on Foam Stability: A Study with Technical Grade Surfactants
  7. Phase Boundaries, Optical Refraction and Specific Electrical Conductivity Properties in Lyotropic Micellar L1 Phase: Bicomponent Amphiphilic (DDTMABr + HDTMABr) + Water System
  8. Effect of Additives on the Phase Behavior of SDS/CTAB/H2O Systems
  9. Influence of Micellar Media on Extraction of Copper(II) from Sulphate and Chloride Solutions using an N,N′-Bis(salicylideneaminoethyl)amine Multidentate Schiff Base
  10. Environmental Chemistry
  11. Biodegradation of Oxyethylated Fatty Alcohols by Bacterium Pseudomonas alcaligenes; AE Biodegradation by Pseudomonas alcaligenes
  12. Influence of Organic Loading Rates (OLR) in Treatment of Pulp and Paper Mill Wastewater with Hybrid Upflow Anaerobic Sludge Blanket Reactor (HUASBR) with Hexagonal Polypropylene Inert Material
  13. Application
  14. Linear-Dendritic Block Copolymer Containing Fluorescent Groups: An Effective and Environmentally Benign Inhibitor for Calcium Carbonate
  15. Performance Evaluation and Application of the Surfactant Combinations showing Ultra-low Oil-Water Interfacial Tensions
  16. Synthesis
  17. Organosilicone Modified Styrene-Acrylic Latex: Preparation and Crude Oil Dehydration
  18. Synthesis and Characterization of Dicationic Gemini Surfactant Micelles and their Effect on the Rate of Ninhydrin–Copper-Peptide Complex Reaction
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