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Microemulsion Formation and Detergency with Oily Soil: IV. Effect of Rinse Cycle Design
- Article from:
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Journal of Surfactants and Detergents
- Article date:
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July 1, 2008
- Author:
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Copyright informationCopyright AOCS Press Jul 2008. Provided by ProQuest LLC. (Hide copyright information)
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Abstract
The objective of this work was to apply a microemulsion-based formulation for the removal of motor oil in laundry detergency at low salinity. To produce the desired phase behavior, three surfactants were used: alkyl diphenyl oxide disulfonate (ADPODS), sodium dioctyl sulfosuccinate (AOT) and sorbitan monooleate (Span 80). The mixed surfactant system of 1.5% ADPODS, 5% AOT and 5% Span 80 (13 parts ADPODS, 43.5 parts AOT, and 43.5 parts Span 80 of the total actives) was found to form a middle phase microemulsion (Type III) at a relatively low salinity of 2.83% NaCl. When this formulation was diluted, detergency performance increased with increasing total surfactant concentration and ...
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