Evaluation of Foaming Chemical Composition and Performance of Commonly Used Detergents

Junyuan Lin; Wanjun Chang

doi:10.54097/ajst.v7i3.13406

Authors

Junyuan Lin
Wanjun Chang

DOI:

https://doi.org/10.54097/ajst.v7i3.13406

Keywords:

Detergent; Foaming properties; Performance evaluation.

Abstract

The foaming chemical composition of commonly used detergents mainly includes surfactants, auxiliaries and solvents. Surfactants are the most important components in detergents. Surfactants reduce the surface tension of water, allowing it to better contact dirt and provide a cleansing effect. This paper focuses on two commonly used detergents, alpha olefin sulfonate (AOS) and sodium dodecylbenzene sulfonate (SDS). Then the foaming properties and half-life of these two surfactant solutions at different concentrations were investigated. The results show that AOS has the best foaming property and the longest half-life at 0.7%, while SDS has the best foaming property at 0.3%. The solutions with the best foaming concentration ratios were added with sodium chloride and calcium chloride respectively. And the salt resistance of these two solutions was found to be good. Secondly, the temperature resistance of AOS and SDS decreases with increasing temperature. In addition, the two surfactants showed structured, regular and stable foams under optical microscope study.

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