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Dynamic of spreading on ultra-hydrophobic surfaces / A. Mohammad Karim in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 12, N° 5 (09/2015)

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inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 12, N° 5 (09/2015) . - p. 959-964

Titre :	Dynamic of spreading on ultra-hydrophobic surfaces
Type de document :	texte imprimé
Auteurs :	A. Mohammad Karim, Auteur ; H. P. Kavehpour, Auteur
Année de publication :	2015
Article en page(s) :	p. 959-964
Note générale :	Bibliogr.
Langues :	Américain (ame)
Catégories :	Angle de contact Cinétique chimique Hydrodynamique Hydrophobie Mouillage (chimie des surfaces) Polyéthylène glycol Polytétrafluoréthylène Verre
Index. décimale :	667.9 Revêtements et enduits
Résumé :	Despite the extensive variety of applications for ultra-hydrophobic surfaces in industry, technology, and biology, due to their wetting characteristics, there has not been considerable attention in the area of dynamics of wetting on ultra-hydrophobic surfaces. In this research, the experimental investigations have been done by applying forced spreading of several polyethylene-glycol/water mixtures in different weight ratios on Teflon plates and ultra-hydrophobic sprayed glass substrates. Hydrodynamics theory and molecular-kinetic theory have been applied to investigate the dynamics of wetting on these substrates. It has been found that the dynamics of receding motion of liquid contact line on ultra-hydrophobic surfaces could be described perfectly with the molecular-kinetic theory. In the case of advancing motion on an ultra-hydrophobic surface, dynamic contact angle is independent of liquid contact line velocity. The advancing and receding motions of liquid contact line on smooth Teflon plates followed molecular-kinetic theory.
DOI :	10.1007/s11998-015-9686-z
En ligne :	https://link.springer.com/content/pdf/10.1007%2Fs11998-015-9686-z.pdf
Format de la ressource électronique :	Pdf
Permalink :	https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=24702

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