Evidence of entropic contribution to “hydration” forces between membranes

2007 ◽  
pp. 338-344 ◽  
Author(s):  
V. I. Gordeliy ◽  
V. I. Gordeliy ◽  
V. G. Cherezov ◽  
A. V. Anikin ◽  
M. V. Anikin ◽  
...  
Keyword(s):  
Hydration Forces ◽  
Entropic Contribution

Film Elasticity and Film Stabilization in Firefighting Foam Stabilized by Solid Particles

2017 ◽  
Vol 744 ◽  
pp. 346-349
Author(s):  
Xiu Juan Li ◽  
Rui Song Guo ◽  
Min Zhao
Keyword(s):  
Life Time ◽  
Liquid Films ◽  
Thin Liquid Films ◽  
Solid Particles ◽  
High Concentration ◽  
Hydration Effect ◽  
Fixed Area ◽  
The Stability ◽  
Hydration Layers ◽  
Hydration Forces

The structure of the thin liquid films determines the stability of foams and emulsions. In this work the bubbles stretched length with different hollow SiO2 particles concentration is measured when the foam has been stilled for different time. The results show that the bubbles stretched length is longer than that of bubbles when the foam is free of hollow SiO2 particles even when the foam has been stilled for 500mins. The bubbles stretched length increases with increasing the concentration of hollow SiO2 particles. A strong hydration effect leaves a large volume of hydration layers on the solid particles surfaces in aqueous solutions. The water in hydration layers can help the film keep a certain thickness. The existence of hydration forces leads that two particles cannot be too close each other. The high concentration surfactant limited in the fixed area helps the film keep good elasticity. Therefore the film has a long life time with compatible thickness and elasticity and the three-phrase foam is upper stable.

Hydration forces between silica surfaces: Experimental data and predictions from different theories

2005 ◽  
Vol 123 (3) ◽  
pp. 034708 ◽  
Author(s):  
J. J. Valle-Delgado ◽  
J. A. Molina-Bolívar ◽  
F. Galisteo-González ◽  
M. J. Gálvez-Ruiz ◽  
A. Feiler ◽  
...  
Keyword(s):  
Experimental Data ◽  
Silica Surfaces ◽  
Hydration Forces

The Role of Hydrophobic Interaction on Hydration Forces in Thin Aqueous Layers

1985 ◽  
pp. 227-234
Author(s):  
Gerhard Peschel ◽  
Mathilde M. Müller ◽  
Manfred M. Müller
Keyword(s):  
Hydrophobic Interaction ◽  
Hydration Forces

scholarly journals Attractive Hydration Forces in DNA–Dendrimer Interactions on the Nanometer Scale

2013 ◽  
Vol 117 (4) ◽  
pp. 973-981 ◽  
Author(s):  
Maria Mills ◽  
Bradford G. Orr ◽  
Mark M. Banaszak Holl ◽  
Ioan Andricioaei
Keyword(s):  
Nanometer Scale ◽  
Hydration Forces
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