Transcription of Dispersions in liquids: suspensions, emulsions, and …
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Dispersions in liquids: suspensions, emulsions, and …
Surfactant science and technology Dispersions in liquids: suspensions, emulsions, and foams ACS National Meeting April 9 10, 2008. New Orleans Ian Morrison 2008. Surfactant structure Air/Oil/Solid Hydrophobic portion Water Hydrophilic portion Ian Morrison 2008 Lecture 1: Surfactants 1. Adsorption lowers the energy At the air/ liquid interface: And the solid/ liquid interface: Lowers surface tension. Stabilizes Dispersions . Ian Morrison 2008 Lecture 1: Surfactants 4. Large volume aqueous surfactants Fatty alcohols and alkylphenol ethoxylates: R O R (OCH2CH2)nOH. R O. Alkanolamides: O. R CN OH. OH. Alkylbenzene sulphonates R SO3Na Fatty alcohol and fatty alcohol ether sulphates: R OSO3Na Ian Morrison 2008 Lecture 1: Surfactants 15. Oil-soluble surfactants Sorbitan mono-oleate (Span 80). O. S. O O. O. O. (O )n N Solsperse 17000.
Ian Morrison© 2008 Surfactant science and technology Dispersions in liquids: suspensions, emulsions, and foams ACS National Meeting April 9 – 10, 2008
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