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    Mixed Aqueous-and-Oil Foams via the Spinning Together of Separate Particle-Stabilized Aqueous and Oil Foams

    Year: 2022

    Journal: Langmuir, Volume 38, APR 12, page 4243–4249

    Authors: Si, Yuchen; Li, Tao; Clegg, Paul S.

    Organizations: National Natural Science Foundation of China [11904390]; Scientific Research Starting Foundation from Wenzhou Institute, UCAS [WIUCASQD2020003]

    We describe an experimental technique for the production of foams comprised of bubbles in a continuous phase of balanced quantities of aqueous and oil phases. Initially, two highly stable foams are fabricated: one typically made from olive oil with bubbles stabilized using partially fluorinated particles and the other made from a mixture of water and propylene glycol with bubbles stabilized using partially hydrophobic particles. After a rough mixture is prepared, the final mixed foam is fabricated via spinning the components together; the spinning leads to the final foam being well-mixed and dry. Here the final mixed foams are presented in thin-film form. We show the locations and roles of the various components.
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