Microgravity offers ideal diffusive conditions for the investigation of the dynamic processes involving surfactant adsorption. Here a summary of the results obtained during the FAST(Facility for Adsorption and Surface Tension tudies) experiments on board the NASA Shuttle STS-107 is given. The measured data pertinent to interfacial rheology - i.e., the response of dynamic interfacial/surface tension to imposed perturbation of the interfacial area - for water-hexane and water-air interfaces,in the presence of different non-ionic surfactants are reported and utilised to test available models and to check fundamental aspects of the modelling of dilational rheology.
Results of Microgravity Investigation on Adsorption and Interfacial Rheology of Soluble Surfactants from the Experiment FAST Onboard STS-107
F Ravera;M Ferrari;
2006
Abstract
Microgravity offers ideal diffusive conditions for the investigation of the dynamic processes involving surfactant adsorption. Here a summary of the results obtained during the FAST(Facility for Adsorption and Surface Tension tudies) experiments on board the NASA Shuttle STS-107 is given. The measured data pertinent to interfacial rheology - i.e., the response of dynamic interfacial/surface tension to imposed perturbation of the interfacial area - for water-hexane and water-air interfaces,in the presence of different non-ionic surfactants are reported and utilised to test available models and to check fundamental aspects of the modelling of dilational rheology.| File | Dimensione | Formato | |
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