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Towards a theory of adhesion with predictive power / I. R. Peterson in SURFACE COATINGS INTERNATIONAL. PART B : COATINGS TRANSACTIONS, Vol. 88, B1 (03/2005)
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Titre : Towards a theory of adhesion with predictive power Type de document : texte imprimé Auteurs : I. R. Peterson, Auteur Année de publication : 2005 Article en page(s) : p. 1-8 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Acides
Adhésion
Bases (chimie)
Dynamique moléculaire
Mouillage (chimie des surfaces)Index. décimale : 667.9 Revêtements et enduits Résumé : Currently, there is no satisfactory molecular theory allowing for the prediction of the interaction of two materials across their mutual interface. All existing theories assume there is a part of the molecular interactions involved that obeys the London inverse-sixth power law, as is valid for the separations encountered in gases. It is shown that, just as the London law is no longer valid in the Casimir limit of large separations, so it is also invalid in the limit of close molecular contact encountered in condensed phases. The experimental data on molecular interactions is reviewed. The Szyszkowski formalism is developed, and shown to explain the temperature dependence observed by Vrbanac and Berg. The formula of van Oss, Good and Chaudhury is shown to be valid under certain simplifying assumptions, but in order to develop it into a theory with significant predictive strength, it must be modified in three aspects : by the use of an additional parameter ; by non-linearity ; and by separate consideration of entropic terms. Note de contenu : - Empirical constraints
- Pragmatic approaches
- The Langmuir-Gibbs isotherm
- Entropy
- Generalises Szyszkowski
- Equivalent forms
- Relevant non-LS interactions
- Procedure
- Table 1 : Comparative enthalpies of mixing of two Lewis acids and two Lewis baes (data from Reference 13 ; the metric prefix z (zepto) meants 10-21DOI : 10.1007/BF02699701 En ligne : https://link.springer.com/content/pdf/10.1007/BF02699701.pdf Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5430
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