interfacial adhesion

Adhesion in which interfaces between phases or components are maintained by intermolecular forces, chain entanglements, or both, across the interfaces.

Notes:

Interfacial adhesion is also referred to as tack.
Adhesive strength (recommended symbol: $F a$ , unit: $N m −2$ ) is the force required to separate one condensed phase domain from another at the interface between the two phase domains divided by the area of the interface.
Interfacial tension (recommended symbol: $γ$ , unit: $N m −1$ , $J m −2$ ) is the change in Gibbs energy per unit change in interfacial area for substances in physical contact.
Use of the term interfacial energy for interfacial tension is not recommended.

Source:

PAC, 2004, 76, 1985 (Definition of terms related to polymer blends, composites, and multiphase polymeric materials (IUPAC Recommendations 2004)) on page 1992

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Cite as:
IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8. https://doi.org/10.1351/goldbook.

Last update: 2014-02-24; version: 2.3.3.

DOI of this term: https://doi.org/10.1351/goldbook.IT07253.

Original PDF version: http://www.iupac.org/goldbook/IT07253.pdf. The PDF version is out of date and is provided for reference purposes only. For some entries, the PDF version may be unavailable.

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