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Synthesis and Properties Evaluation of Sodium Fatty Alcohol Polyoxyethylene Ether Sulfonate

  • Y.-M. Zhang , J.-P. Niu and Q.-X. Li
Published/Copyright: April 5, 2013
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Tenside Surfactants Detergents
From the journal Tenside Surfactants Detergents Volume 47 Issue 1

Abstract

Sodium salts of fatty alcohol polyoxyethylene ether sulfonates with different length of hydrophobic chain (CnE3SO3, n +; 14, 16, 18) were synthesized from sodium isethionate, then the structure was verified by IR. The temperature resistance, calcium-tolerant stability and salt tolerance were evaluated by pyrogenetic decomposition, phase separation and middle phase emulsion respectively. In addition the mixture of CnE3SO3 and heavy alkylbenzene sulfonate (HABS) was studied. The results showed that: (1) CnE3SO3 was very stable at 150°C especially in neutral, weak acid and weak alkaline conditions; (2) CnE3SO3 performed a good salt tolerance and have a rank of C18E3SO3 > C16 E3SO3 > C14E3SO3; (3) the calcium-tolerant stability of CnE3SO3 reached 8700 mg/L, 9500 mg/L and 10000 mg/L respectively; (4) CnE3SO3 was very good for improving the salt tolerance of mixture of CnE3SO3 and HABS. C18E3SO3 was the best in mixtures of Daqing crude oil/water containing C18E3SO3 and HABS in a ratio of ω(C18E3SO3):ω(HABS) = 3:7 and showed the strongest synergistic effect. The interfacial tension in the system Daqing crude oil/water reached a minimum in the order of 10–3 mN/m and was always below 10–2 mN/m for cNaCl from 0 to 15000 mg/L.

Kurzfassung

Natriumsalze der Fettalkoholpolyoxiethylenethersulfonate mit unterschiedlich langen hydrophoben Ketten (CnE3SO3, n = 14, 16, 18) wurden aus Natriumisethionat synthetisiert. Ihre Struktur wurde mittels IR bestätigt. Die Temperaturbeständigkeit, die kalzium-tolerante Stabilität und die Salzverträglichkeit wurden mittels pyrogener Zersetzung, Phasentrennung und Mittelphasen-Emulsion bestimmt. Zusätzlich wurden Mischungen aus CnE3SO3 und schwerem Alkylbenzolsulfonat (HABS) untersucht. Die Ergebnisse zeigen, dass (1) CnE3SO3 speziell in neutraler, schwach saurer und schwach alkalischer Umgebung bei 150°C sehr stabil ist, (2) CnE3SO3 eine hohe Salztoleranz mit der Reihenfolge C18E3SO3 > C16E3SO3 > C14E3SO3 aufweist, (3) die kalzium-tolerante Stabilität von CnE3SO3 Werte von 8700 mg/L, 9500 mg/L und 10000 mg/L erreicht und (4) CnE3SO3 die Salztoleranz in Mischungen aus CnE3SO3 und HABS deutlich verbessert. C18E3SO3 wirkte in einer Mischung aus Daqing Rohöl und Wasser, mit einem Mischungsverhältnis ω(C18E3SO3):ω(HABS) = 3:7 am besten und zeigte den stärksten synergistischen Effekt. Die Grenzflächenspannung in dem System Daqing Rohöl/Wasser erreichte ein Minimum von etwa 10−3 mN/m und blieb im NaCl-Konzentrationsbereich von 0 < cNaCl < 15000 ml/L immer unterhalb von 10−2 mN/m.

Key words:: Sodium salts of fatty alcohol polyoxyethylene ether sulfonate; sodium isethionate; temperature tolerance; salt tolerance; interfacial tension
Stichwörter:: Natriumsalze der Fettalkoholpolyoxiethylenethersulfonate; Natriumisethionate; Temperaturtoleranz; Salztoleranz; Grenzflächenspannung
∗ Zhang Yongmin, China Research Institute of Daily Chemical Industry (RIDCI), 34 Wenyuan St., Taiyuan, P.R. China, E-Mail:

Zhang Yongmin was born in 1983. He is an engineer at China Research Institute of Daily Chemical Industry (RIDCI). His main field of research is synthesis and properties on surfactant.

Niu Jinping was born in 1966. Her research interests are sulfonation or sulfation of organic materials.

Li Qiuxiao was born in 1955. He obtained his Ph.D. from Chinese Academy of Science. He has been teaching and working in RIDCI. His focus is on synthesis, physical-chemistry and property of surfactants, catalyst and chemical engineering.

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Received: 2009-02-11
Revised: 2009-11-02
Published Online: 2013-04-05
Published in Print: 2010-01-01

© 2010, Carl Hanser Publisher, Munich

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https://doi.org/10.3139/113.110051
Keywords for this article
Sodium salts of fatty alcohol polyoxyethylene ether sulfonate; sodium isethionate; temperature tolerance; salt tolerance; interfacial tension

Articles in the same Issue

  1. Contents/Inhalt
  2. Contents
  3. Abstracts
  4. Abstracts
  5. Review
  6. Development of Cleavable Surfactants
  7. Environmental Chemistry
  8. Removal of Tartrazine from Aqueous Solution by Activated Coal
  9. Novel Surfactants
  10. A Process for the Production of Φ-Sulfo Fatty Methyl Ester Sulfonates (Φ-MES)
  11. Synthesis of 3-Dehydroabietylamino-2-Hydroxypropyl Trimethylammonium Chloride and its Antibacterial Activity
  12. Physical Chemistry
  13. Octanol-Water Partition Coefficients of Surfactants: Slow Stirring/Surface Tension Method
  14. Synthesis
  15. Synthesis and Properties Evaluation of Sodium Fatty Alcohol Polyoxyethylene Ether Sulfonate
  16. Short Communication
  17. A Fluorometric Fullerenol Sensor for Rapid Detection of Ionic and Non-Ionic Surfactants
  18. GDCh-News
  19. Fifth European Detergents Conference Report
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