SANS from foam in a (nano)ion-flotation extraction process: integration of a Foamscan apparatus on D33 spectrometer
Liquid foams structures are ubiquitous and at the basis of many applications for: environment (extraction via flotation, decontamination), detergency (often through foam stabilizers or anti-foaming agents), food, cosmetics, firefighting and crude oil recovering. An academic research is still required to understand the mechanical properties of the foams that strongly depend on the films structure at all the scales. However, the accurate structural characterization of the inter-bubble film with the distribution of the various chemical species within the film is often lacking during these investigations. These characterizations provide the information of the molecular and supramolecular interactions within the interfaces and between facing interfaces, required for understanding the viscoelastic properties of the films and for controlling the foam stability. The aim of this proposal is to use on selected exemples a modified Foamscan instrument that has to be implemented on D33 to record for the first time the simultaneous acquisition of mesoscopic and macroscopic foam information via (TOF-)SANS, imaging and conductivity techniques.
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DIAT Olivier; BAUDUIN Pierre; BRAUN Larissa; Leonardo Chiappisi; FRAGNETO Giovanna; GRAEFF Kevin; Matthias Kuehnhammer; PASQUIER Coralie and VON KLITZING Regine. (2021). SANS from foam in a (nano)ion-flotation extraction process: integration of a Foamscan apparatus on D33 spectrometer. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.9-10-1701
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