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Synthesis and Properties of 9,10-Dihydroxystearic Acid Ethoxylate

  • Lu Zhang , Yongqiang Sun , Martino Di Serio , Jingjie Zhou , Lirong Ding , Yong Zhang , Huibin Liang , Huaping Wu und Jinyuan Sun
Veröffentlicht/Copyright: 6. Mai 2019
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Tenside Surfactants Detergents
Aus der Zeitschrift Tenside Surfactants Detergents Band 56 Heft 3

Abstract

In this paper, oleic acid was used as raw material to synthesize 9,10-di-hydroxystearic acid (DHSA), which contains two hydroxyl groups and one carboxyl group. DHSA was reacted with ethylene oxide (EO) to obtain a new surfactant category that is characterized by the presence of 3 hydrophilic chains: 9,10-di-hydroxystearic acid ethoxylates (DHSAE-n, n = 10, 12, 15, 18, 20 EO). FT-IR and 1H NMR were used to characterize the molecular structure of DHSAE-n. The surface activity, adsorption and aggregation behavior in aqueous solution have been investigated by static surface tension, dynamic surface tension, contact angle and transmission electron microscopy (TEM). In addition, the application properties (wettability, emulsification, foamability and decontamination) of DHSAE-n have been systematically studied.

Kurzfassung

In dieser Arbeit wurde Ölsäure als Rohstoff zur Synthese von 9,10-Dihydroxystearinsäure (DHSA) verwendet. DHSA besitzt die zwei Hydroxylgruppen und eine Carboxylgruppe. Anschließend wurde DHSA mit Ethylenoxid (EO) umgesetzt, um eine neue Tensidgruppe zu erhalten, die sich durch die Anwesenheit von 3 hydrophilen Ketten auszeichnet: 9,10-Dihydroxystearinsäureethoxylate (DHSAE-n, n = 10, 12, 15, 18, 20 EO). FT-IR und 1H-NMR wurden eingesetzt, um die Molekülstruktur von DHSAE-n zu charakterisieren. Die Oberflächenaktivität, das Adsorptions- und Aggregationsverhalten in wässriger Lösung wurden anhand der statischen und der dynamischen Oberflächenspannung, des Kontaktwinkels und mittels der Transmissionselektronenmikroskopie (TEM) untersucht. Darüber hinaus wurden die Anwendungseigenschaften von DHSAE-n (Benetzbarkeit, Emulgierung, Schaumverhalten und Dekontaminierung) systematisch untersucht.

Key words: Nonionic surfactant; 9,10-dishydroxystearic acid ethoxylates (DHSAE); Surfactant synthesis; Ethoxilation
Stichwörter: Nichtionisches Tensid; 9,10-Dishydroxystearinsäureethoxylate (DHSAE); Tensidsynthese; Ethoxilierung
∗Correspondence address, Dr. Yongqiang Sun, China Research Institute of Daily Chemical Industry, Taiyuan, Shanxi 030001, P.R. China, Tel.: 0086-351-2028998, Fax: +86-351-4040802, E-Mail:

Lu Zhang is a postgraduate student at the China Research Institute of Daily Chemical Industry, Taiyuan, Shanxi Province, P.R. China. His main research field is the study on modification and properties of Intramolecular multifunctional groups.

Yongqiang Sun is a professor at the China Research Institute of Daily Chemical Industry whose research interests are focused on engineering developments related to the manufacturing of nonionic surfactants.

Martino Di Serio is full professor of Industrial Chemistry at the Department of Chemical Sciences of University of Naples Federico II., His research interests are focused on the alcoxylation reactions.

Jingjie Zhou is an engineer at the China Research Institute of Daily Chemical Industry and she gotten her Master's degree in the Tianjin University.

Lirong Ding is a postgraduate student at the China Daily Chemical Industry Research Institute now. Her main research field is the structure-property relationship in molecules with two active groups.

Yong Zhang is an engineer at the China Research Institute of Daily Chemical Industry. His research interests are focused on the synthesis and investigation of nonionic surfactants.

Huibin Liang is an engineer at the China Research Institute of Daily Chemical Industry. His research interests are focused on the esterification of fatty acid.

Huaping Wu is an engineer at the China Research Institute of Daily Chemical Industry. Her main research field is the analysises and determinations of surfactants.

Jinyuan Sun is an engineer at the China Research Institute of Daily Chemical Industry. His research interests are focused on the properties of series of surfactants.

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Received: 2018-10-07
Accepted: 2019-02-20
Published Online: 2019-05-06
Published in Print: 2019-05-15

© 2019, Carl Hanser Publisher, Munich

Artikel in diesem Heft

  1. Contents/Inhalt
  2. Contents
  3. Review Article
  4. Characteristic and Application of Anionic Dimeric Surfactants: A Review
  5. Body Care
  6. Reduction of Irritation Potential Caused by Anionic Surfactants in the Use of Various Forms of Collagen Derived from Marine Sources in Cosmetics for Children
  7. Environmental Chemistry
  8. Optimization of Biosorption Conditions for Surfactant Induced Decolorization by Anaerobic Sludge Granules
  9. Evaluation of Polyether Copolymer as Green Scale and Corrosion Inhibitor in Seawater
  10. Physical Chemistry
  11. Schiff' Bases as Corrosion Inhibitor for Aluminum Alloy in Hydrochloric Acid Medium
  12. Study on the Synergism of Binary Surfactant Mixtures containing N-lauroyl-N-methyl Taurine Sodium
  13. Effect of Spacer on Surface Activity and Foam Properties of Betaine Gemini Surfactants
  14. Study on the Complex System of Sodium Lauryl Diphenyl Ether Disulfonate and Dodecyl Dimethyl Hydroxyethyl Ammonium Chloride
  15. Synthesis
  16. Synthesis and Properties of 9,10-Dihydroxystearic Acid Ethoxylate
  17. Synthesis and Properties of Lauryl Phosphate Monoester
  18. Novel Surfactants
  19. Dehydroabietyl Glycidyl Ether Grafted Hydroxyethyl Chitosan: Synthesis, Characterization and Physicochemical Properties
https://doi.org/10.3139/113.110621
Schlagwörter für diesen Artikel
Nonionic surfactant; 9,10-dishydroxystearic acid ethoxylates (DHSAE); Surfactant synthesis; Ethoxilation

Artikel in diesem Heft

  1. Contents/Inhalt
  2. Contents
  3. Review Article
  4. Characteristic and Application of Anionic Dimeric Surfactants: A Review
  5. Body Care
  6. Reduction of Irritation Potential Caused by Anionic Surfactants in the Use of Various Forms of Collagen Derived from Marine Sources in Cosmetics for Children
  7. Environmental Chemistry
  8. Optimization of Biosorption Conditions for Surfactant Induced Decolorization by Anaerobic Sludge Granules
  9. Evaluation of Polyether Copolymer as Green Scale and Corrosion Inhibitor in Seawater
  10. Physical Chemistry
  11. Schiff' Bases as Corrosion Inhibitor for Aluminum Alloy in Hydrochloric Acid Medium
  12. Study on the Synergism of Binary Surfactant Mixtures containing N-lauroyl-N-methyl Taurine Sodium
  13. Effect of Spacer on Surface Activity and Foam Properties of Betaine Gemini Surfactants
  14. Study on the Complex System of Sodium Lauryl Diphenyl Ether Disulfonate and Dodecyl Dimethyl Hydroxyethyl Ammonium Chloride
  15. Synthesis
  16. Synthesis and Properties of 9,10-Dihydroxystearic Acid Ethoxylate
  17. Synthesis and Properties of Lauryl Phosphate Monoester
  18. Novel Surfactants
  19. Dehydroabietyl Glycidyl Ether Grafted Hydroxyethyl Chitosan: Synthesis, Characterization and Physicochemical Properties
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