Surfactant in the gaseous phase II. Influence on stability of foams and thin liquid films |
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| Authors: | K. Malysa Khr Khristov D. Exerowa |
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| Affiliation: | (1) Present address: Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, 30-239 Cracow, Poland;(2) Institute of Physical Chemistry, Bulgarian Academy of Sciences, Sofia, Bulgaria |
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| Abstract: | The influence of the vapors ofn-amyl orn-decyl alcohol on the stability of single thin liquid films, single bubbles, and foam columns was determined. It was found that the presence of surfactant vapors lowered the stability of foams and single foam films. The mechanism of the destabilizing action of the surfactant vapors on wet, dynamic foams under dynamic conditions is discussed. It is shown that the destabilizing action of the surfactant vapors is a further indication that surface elasticity forces are the main factor determining stability of wet, dynamic foams. |
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| Keywords: | Foams stability thin liquid films bubbles surfactant vapors surface elasticity |
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