Encapsulation provides an attractive route for overcoming the cumbersome handling of viscous liquids or accommodating soild-liquid phase changing materials. This presentation will highlight recent work from our group in using Pickering emulsions stabilized by 2D particles to template the encapsulation of “active” materials, including ionic liquids (ILs), phase change materials (PCMs), and polyalpha olefins. Based on the nanosheet surfactant functionality, aqueous or water-free emulsions can be prepared, with polymerizations at the interface leading to a compose capsule shell. We will describe the benefits of these tailored materials, as well as current limitations, highlighting application of the capsules for the uptake of gases and solvent remediation.

Capsules of active liquids templated by pickering emulsions

ACS Fall 2021

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