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Article Dans Une Revue Physical Chemistry Chemical Physics Année : 2024

A review of stimuli-responsive polymer-based gating membranes

Aditi Gujare
Domenico Truzzolillo
Julian Oberdisse

Résumé

The formation and properties of smart (stimuli-responsive) membranes are reviewed, with a special focus on temperature and pH triggering of gating to water, ions, polymers, nanoparticles, or other molecules of interest. The review is organized in two parts, starting with all-smart membranes based on intrinsically smart materials, in particular of the poly(N-isopropylacrylamide) family and similar polymers. The key steps of membrane fabrication are discussed, namely the deposition into thin films, functionalization of pores, and the secondary crosslinking of pre-existing microgel particles into membranes. The latter may be free-standing and do not necessitate the presence of a porous support layer. The temperature-dependent swelling properties of polymers provide a means of controlling the size of pores, and thus size-sensitive gating. Throughout the review, we highlight ‘‘positive’’ (gates open) or ‘‘negative’’ (closed) gating effects with respect to increasing temperature. In the second part, the functionalization of porous organic or inorganic membranes of various origins by either microgel particles or linear polymer brushes is discussed. In this case, the key steps are the adsorption or grafting mechanisms. Finally, whenever provided by the authors, the suitability of smart gating membranes for specific applications is highlighted.
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hal-04414670 , version 1 (24-01-2024)

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Paternité - Pas d'utilisation commerciale

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Stefanie Uredat, Aditi Gujare, Jonas Runge, Domenico Truzzolillo, Julian Oberdisse, et al.. A review of stimuli-responsive polymer-based gating membranes. Physical Chemistry Chemical Physics, 2024, 2023 PCCP Reviews, 26 (4), pp.2732-2744. ⟨10.1039/d3cp05143a⟩. ⟨hal-04414670⟩
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