Film and line tension effects on the attachment of particles to an interface: I. Conditions for mechanical equilibrium of fluid and solid particles at a fluid interface

A general variational approach has been applied to derive the conditions for mechanical equilibrium of fluid and solid particles at an interface in the presence of an external field. It is shown that Young's equation for solid particles does not follow from force balance, which is due to the di...

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Published in:Journal of colloid and interface science 1986, Vol.112 (1), p.97-107
Main Authors: Ivanov, Ivan Boyanov, Kralchevsky, Peter Atanassov, Nikolov, Alexander Dushkov
Format: Article
Language:English
Subjects:
Chemistry
Exact sciences and technology
Gas-liquid interface and liquid-liquid interface
General and physical chemistry
Surface physical chemistry
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container_issue 1
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container_title Journal of colloid and interface science
container_volume 112
creator Ivanov, Ivan Boyanov
Kralchevsky, Peter Atanassov
Nikolov, Alexander Dushkov
description A general variational approach has been applied to derive the conditions for mechanical equilibrium of fluid and solid particles at an interface in the presence of an external field. It is shown that Young's equation for solid particles does not follow from force balance, which is due to the difference between the surface tension and the specific surface free energy of the solid. The correct definition of the contact angles in the presence of an external field is discussed.
doi_str_mv 10.1016/0021-9797(86)90072-X
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source Backfile Package - Chemical Engineering (Legacy) [YCC]; Backfile Package - Materials Science
subjects Chemistry
Exact sciences and technology
Gas-liquid interface and liquid-liquid interface
General and physical chemistry
Surface physical chemistry
title Film and line tension effects on the attachment of particles to an interface: I. Conditions for mechanical equilibrium of fluid and solid particles at a fluid interface
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