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Effect of Oxyethylene Groups on Adsorption Properties of Fatty Alcohol Polyoxyethylene Ether Sodium Sulfate with Narrow Ethylene Oxide Distribution
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Xingang Wang
Published/Copyright:
February 23, 2021
Abstract
The effect of oxyethylene groups on the adsorption properties of fatty alcohol polyoxyethylene ether sodium sulfate with narrow ethylene oxide distribution (AEmS, m = 3, 5, 7, 9) was characterized by means of the equilibrium surface tension, the dynamic surface tension and the contact angle. The results show that at a concentration lower than the critical micelle concentration (CMC) the oxyethylene groups act like hydrophobic groups to change the absorption properties. If the concentration is higher than the critical micelle concentration, the oxyethylene groups act as hydrophilic groups to change the absorption properties. The long polyoxyethylene chain of AE9S is very curly, which means that AE9S does not strictly follow the rule derived from AEmS (m = 3, 5, 7). The adsorption process of AEmS is a mixed diffusion-kinetic adsorption mechanism.
Keywords: Fatty alcohol polyoxyethylene ether sodium sulphate (AEMS); oxyethylene groups; adsorption properties; mixed diffusion kinetics
Published Online: 2021-02-23
Published in Print: 2020-12-01
© 2020 by Walter de Gruyter Berlin/Boston
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Keywords for this article
Fatty alcohol polyoxyethylene ether sodium sulphate (AEMS);
oxyethylene groups;
adsorption properties;
mixed diffusion kinetics
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- APPLICATION
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- Formation, Stability and Properties of Hemp Seed Oil Emulsions for Application in the Cosmetics Industry
- PHYSICAL CHEMISTRY
- Advances in Surfactants in Foliar Application of Agrochemicals on Mango Leaf Surfaces
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- DISHWASHING/HYGIENE
- Modelling Dishwashers’ Resource Consumption in Domestic Usage in European Households and its Relationship to a Reference Dishwasher
- A Concept for Rapid Prediction of Microbiological Reduction in Automatic Dish Cleaning Processes: The Microbiological Inactivation Equivalent (MIE) Unit
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- Micellar and Transition Metal Ion Catalysed Oxidation of Pentanol in Aqueous Medium
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- Investigation on Heavy Metal Removal from a Crude Oil Contaminated Soil using Rhamnolipid Biosurfactant as a New Eco-Friendly Method
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