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The molecular mechanism for destabilization of foams by organic ions
YKI – Ytkemiska institutet.
YKI – Ytkemiska institutet.
1994 (English)In: Journal of the American Oil Chemists Society, ISSN 0003-021X, E-ISSN 1558-9331, Vol. 71, 41-46 p.Article in journal (Refereed)
Abstract [en]

The destabilization of foams by electrolytes with tetraalkylammonium ions has been investigated. The presence of large tetraalkylammonium ions at the oil/water interface perturbs the packing of surfactants, producing noncoherent films of low stability. A comparison between the foam destabilizing efficiency of tetraalkylammonium bromide salts with tributyl phosphate and 2-ethyl hexanol, which are used in many commercial antifoaming formulations, demonstrated that the organic salts have a potential for being useful in technical applications involving foam inhibition.

Place, publisher, year, edition, pages
1994. Vol. 71, 41-46 p.
Keyword [en]
2-Ethyl hexanol, foam stability, half-life of foam( 1/2), intermolecular distance, sodium dodecyl sulfate, surface concentration, surface viscosity, tetraalkylammonium ions, tributyl phosphate (TBP)
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-26994OAI: oai:DiVA.org:ri-26994DiVA: diva2:1053997
Note
A800Available from: 2016-12-08 Created: 2016-12-08Bibliographically approved

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