Surface Rheology and Foam Stability of Mixed Surfactant−Polyelectrolyte Solutions†

Langmuir ◽  
2000 ◽  
Vol 16 (23) ◽  
pp. 8727-8732 ◽  
Author(s):  
Amitabha Bhattacharyya ◽  
Francisco Monroy ◽  
Dominique Langevin ◽  
Jean-François Argillier
Keyword(s):  
Foam Stability ◽  
Mixed Surfactant ◽  
Surface Rheology ◽  
Polyelectrolyte Solutions

Effects of surface rheology and surface potential on foam stability

2016 ◽  
Vol 488 ◽  
pp. 70-81 ◽  
Author(s):  
Jianlong Wang ◽  
Anh V. Nguyen ◽  
Saeed Farrokhpay
Keyword(s):  
Surface Potential ◽  
Foam Stability ◽  
Surface Rheology

A correlation of foam stability with surface shear viscosity and area per molecule in mixed surfactant systems

1978 ◽  
Vol 256 (10) ◽  
pp. 1002-1008 ◽  
Author(s):  
D. O. Shah ◽  
N. F. Djabbarah ◽  
D. T. Wasan
Keyword(s):  
Shear Viscosity ◽  
Foam Stability ◽  
Mixed Surfactant ◽  
Surface Shear ◽  
Mixed Surfactant Systems ◽  
Surfactant Systems ◽  
Surface Shear Viscosity

Molecular Dynamics Study of the Foam Stability of a Mixed Surfactant/Water System with and without Calcium Ions

2011 ◽  
Vol 115 (16) ◽  
pp. 4645-4653 ◽  
Author(s):  
Wenhong Yang ◽  
Xiaozhen Yang
Keyword(s):  
Molecular Dynamics ◽  
Calcium Ions ◽  
Foam Stability ◽  
Water System ◽  
Mixed Surfactant

Surface rheology and its relation to foam stability in solutions of sodium decyl sulfate

2017 ◽  
Vol 532 ◽  
pp. 472-475 ◽  
Author(s):  
Matthias J. Hofmann ◽  
Hubert Motschmann
Keyword(s):  
Foam Stability ◽  
Surface Rheology ◽  
Sodium Decyl Sulfate

Donnan Equilibria in Polymeric Micellar Systems with Weak Polyelectrolyte Shells: The Lowering of the pH Value

1997 ◽  
Vol 62 (11) ◽  
pp. 1730-1736 ◽  
Author(s):  
Petr Munk ◽  
Zdeněk Tuzar ◽  
Karel Procházka
Keyword(s):  
Ionic Strength ◽  
Block Copolymer ◽  
Ph Value ◽  
Electrolyte Solutions ◽  
Hydrogen Ions ◽  
Micellar Systems ◽  
Weak Electrolytes ◽  
Block Copolymer Micelles ◽  
Copolymer Micelles ◽  
Polyelectrolyte Solutions

When two electrolyte solutions are separated and only some of the ions can cross the boundary, the concentrations of these ions are different on both sides of the boundary. This is the well-known Donnan effect. When weak electrolytes are involved, the imbalance includes also hydrogen ions: there is a difference of pH across the boundary and the dissociation of nondiffusible weak electrolytes is suppressed. The effect is very pronounced when the concentration of the weak electrolyte is high and ionic strength is low. The significance of this phenomenon is discussed for polyelectrolyte solutions, and particularly for block copolymer micelles with weak polyelectrolyte shells. The effect is quite dramatic in the latter case.

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