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Determination of surface rheological parameters and their use in charcterization of dispersed systems

Pawalec M. K., Sosnowski T. R.

Inżynieria i Aparatura Chemiczna

2006

Nr 5s

108-111

The paper is focused on investigations of relationships between dynamic properties of the air-liquid interface of CTAB solutions and the stability of foams produced from these solutions. The measurements were performed with the Langmuir-Wilhelmy film balance and a thermostatic glass column where foams were generated pneumatically. The results show that at the CMC region, dynamic and rheological properties of interface can govern the stability of foam layer but at higher concentrations other mechanisms may prevail.