The contact angle as analytical tool

V. Dutschk, A. Marmur

    Research output: Chapter in Book/Report/Conference proceedingChapterAcademicpeer-review

    1 Citation (Scopus)

    Abstract

    Wetting is the process of making contact between a liquid and a solid. The term wetting describes a displacement of a solid-gas (air) interface with a solid-liquid interface, that is, a process in which Gibbs energy decreases in a system consisting of three contacting phases. The term wettability describes the ability of a surface to maintain contact with a liquid. The degree of wetting and wettability is determined by a force balance between adhesive and cohesive molecular forces. Both wetting and de-wetting of liquids on different surfaces play an important role in many natural and technological processes. Typical examples for wetting-dependent processes are printing, cleaning, painting, detergency, and lubrication. Wetting is also known to be a necessary condition for good adhesiveness. Since Gibbs elaborated the fundamentals of the thermodynamic theory of capillarity [1], diligent work has been performed to describe the wetting behavior of heterogeneous systems, thereby determining surface energies of liquid and solid surfaces and, in this manner, predicting their adhesion behavior. Over a period, plenty of literature data have been accumulated, proposing various measurement techniques and different evaluation possibilities including criticism of one or the other computational algorithm or fundamental idea [2-22].
    Original languageEnglish
    Title of host publicationColloid and Interface Chemistry for Nanotechnology
    EditorsPeter A. Kralchevsky, Reinhard Miller, Francesca Ravera
    PublisherTaylor & Francis
    Chapter12
    Pages255-270
    Number of pages16
    ISBN (Electronic)978-146656906-5
    ISBN (Print)978-146656905-8
    Publication statusPublished - 2013

    Publication series

    NameProgress in Colloid and Interface Series
    PublisherTaylor & Francis
    Volume4

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  • Cite this

    Dutschk, V., & Marmur, A. (2013). The contact angle as analytical tool. In P. A. Kralchevsky, R. Miller, & F. Ravera (Eds.), Colloid and Interface Chemistry for Nanotechnology (pp. 255-270). (Progress in Colloid and Interface Series; Vol. 4). Taylor & Francis.