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Lubrication with Emulsions

Abstract : Because oil has a different density than water, buoyancy causes the phases to separate, i.e., emulsions are inherently unstable. To add stability, emulsions are aggressively agitated to achieve very small droplet sizes and tight distributions, or emulsifiers are added to the system. Emulsifiers are usually surfactants, although some formulations use macromolecules, fine particles, and/or simple electrolytes as emulsifiers. An emulsifier is a long molecule with a polar end. One end of the molecule is soluble in oil, while the other prefers water ...
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Submitted on : Tuesday, February 28, 2012 - 10:05:08 AM
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Steven R. Schmid, Pierre Montmitonnet, Maxime Laugier, Nicolas Legrand. Lubrication with Emulsions. Edited by Jane Wang, Q. and Yip-Wah Chung. Encyclopedia of Tribology, Springer Verlag, pp.2151-2158, 2012, 978-0-387-92896-8. ⟨10.1007/978-0-387-92897-5_1183⟩. ⟨hal-00674742⟩



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