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Vertical Spreading of Aqueous Trisiloxane Solution Driven by a Spontaneously Developing Surface Tension Gradient / Anoop Chengara in Industrial & engineering chemistry research, Vol. 47 N°10 (Mai 2008) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 47 N°10 (Mai 2008) . - p. 3639–3644 Titre : Vertical Spreading of Aqueous Trisiloxane Solution Driven by a Spontaneously Developing Surface Tension Gradient Type de document : texte imprimé Auteurs : Anoop Chengara, Auteur ; Alex D. Nikolov, Auteur ; Darsh T. Wasan, Auteur Année de publication : 2008 Article en page(s) : p. 3639–3644 Langues : Anglais (eng) Mots-clés : Spontaneous  ;  Trisiloxane  surfactants  ;  Aqueous  film Résumé : This article reports the results of experiments conducted on the spontaneous climbing of an aqueous film of trisiloxane surfactants (“superspreaders”) on a vertical strongly hydrophobic solid surface. The final height achieved is much in excess of that expected purely on the basis of the capillary wetting action and suggests that a spontaneously developing surface tension gradient aids in film climbing. Maxima are observed in both the spreading rate and the height achieved as a function of the surfactant concentration, similar to the spreading of a superspreader drop on a horizontal hydrophobic surface. En ligne : https://pubs.acs.org/doi/abs/10.1021/ie070862%2B [article] Vertical Spreading of Aqueous Trisiloxane Solution Driven by a Spontaneously Developing Surface Tension Gradient [texte imprimé] / Anoop Chengara, Auteur ; Alex D. Nikolov, Auteur ; Darsh T. Wasan, Auteur . - 2008 . - p. 3639–3644. Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 47 N°10 (Mai 2008) . - p. 3639–3644 Mots-clés : Spontaneous  ;  Trisiloxane  surfactants  ;  Aqueous  film Résumé : This article reports the results of experiments conducted on the spontaneous climbing of an aqueous film of trisiloxane surfactants (“superspreaders”) on a vertical strongly hydrophobic solid surface. The final height achieved is much in excess of that expected purely on the basis of the capillary wetting action and suggests that a spontaneously developing surface tension gradient aids in film climbing. Maxima are observed in both the spreading rate and the height achieved as a function of the surfactant concentration, similar to the spreading of a superspreader drop on a horizontal hydrophobic surface. En ligne : https://pubs.acs.org/doi/abs/10.1021/ie070862%2B