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Preparation and Performance Properties of a Series of Novel Anionic Gemini Surfactants

  • D. Shukla and V. K. Tyagi
Published/Copyright: March 31, 2013
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Tenside Surfactants Detergents
From the journal Tenside Surfactants Detergents Volume 45 Issue 2

Abstract

Anionic Gemini surfactants having two phosphate head groups and two decyl head groups were prepared in good yield. These surfactants were prepared by two step process. (i) Preparation of decyl phosphate from pyrophosphoric acid and decanol. (ii) Preparation of bis-phosphoric acid from decyl phosphate, (CH3)4NOH and different spacers by using acetonitrile as solvent. The synthesized surfactants structures were verified by FT IR, and 1H NMR spectroscopy. The physical and performance properties like surface tension and interfacial tension, foaming, wetting and emulsion stability of disodium salts of bis-phosphoric acids were also evaluated. The effects of the spacers on the properties were analyzed. It was found that properties were significantly influenced by slight variation of spacers.

Kurzfassung

Anionische Geminitenside mit zwei Phosphat-Kopfgruppen und zwei Decyl-Kopfgruppen wurden in guter Ausbeute in einem Zweistufenprozess synthetisiert. (i) Darstellung von Decylphosphat aus Pyrophosphorsäure und Decanol. (ii) Darstellung von Bis-Phosphorsäure aus Decylphosphat, (CH3)4NOH und verschiedenen Spacer und Verwendung von Acetonitril als Lösungsmittel. Die synthetisierten Tensidstrukturen wurden mittels FT-IR- und 1H-NMR-Spektroskopie bestätigt. Die physikalischen und Leistungseigenschaften wie Oberflächen- und Grenzflächenspannung, Schäumen, Benetzung und Emulsionsstabilität der Di-Natriumsalze der Bis-Phosphorsäure wurden ebenso bewertet wie der Einfluss der Spacer. Gefunden wurde, dass geringfügige Variationen der Spacer die Eigenschaften signifikant beeinflussen.

Key words:: Anionic Geminis; monomeric surfactants; alkyl phosphates; spacers; interfacial tension; foaming
Stichwörter:: Anionische Geminitenside; monomere Tenside; Alkylphosphate; Spacer; Grenzflächenspannung; Schäumen
∗ V. K. Tyagi, Department of Oil and Paint Technology, Harcourt Butler Technological Institute, Kanpur-208002, India. E-mail:

Dipti Shukla was born in India in 1982. She did her M.Sc. in Organic Chemistry in 2004 from CSJM University, Kanpur, and presently pursuing her Ph.D. in Applied Chemistry (surfactant chemistry) from Harcourt Butler Technological Institute, Kanpur, India. Her research interests are geared towards the synthesis, characterization and the performance properties of Gemini Surfactants. She has 4 publications in renowned international journals.

Vinod Kumar Tyagi was born in 1959 in India. He received his bachelors, masters and doctoral degree in Chemical Technology in 1984, 1986 and 1992, respectively from Harcourt Butler Technological Institute, Kanpur, India. He joined as a faculty in the Department of Oil and Paint Technology in 1988 at Harcourt Butler Technological Institute, Kanpur India. Currently, he is working as a Professor in the same department. He is having 20 years experience of teaching under graduate and post graduate students of Oil Technology. He has supervised more than 22 candidates for masters and doctoral thesis. He has published more than 35 papers in referred national and international journals and had presented 18 papers in national and international conferences in India and abroad. His research interests are surfactants and detergents, novel surfactants and oleo chemicals.

References

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Received: 2007-11-13
Published Online: 2013-03-31
Published in Print: 2008-03-01

© 2008, Carl Hanser Publisher, Munich

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  5. Application
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https://doi.org/10.3139/113.100363
Keywords for this article
Anionic Geminis; monomeric surfactants; alkyl phosphates; spacers; interfacial tension; foaming

Articles in the same Issue

  1. Contents/Inhalt
  2. Contents
  3. Abstracts
  4. Abstracts
  5. Application
  6. Impact of Heat Treatment on the Performance of Polymers as Ferric Ions Stabilization Agents for Aqueous Systems
  7. Novel Surfactants
  8. Preparation and Performance Properties of a Series of Novel Anionic Gemini Surfactants
  9. Biologically Active Tin Compounds Based on Aziridine and Azepane Derivatives
  10. Obituary
  11. Obituary
  12. Synthesis
  13. Synthesis and Properties Evaluation of Nonionic-Anionic Surfactants Suitable for Enhanced Oil Recovery Using Sea Water
  14. Synthesis and Characterisation of Antifungal Agents Containing Copper(II) Soaps and Derived from Mustard and Soyabean Oil
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