Construction of self-healing polyethersulfone ultrafiltration membrane by cucurbit[8]uril hydrogel via RTIPS method and host-guest chemistry

Diffusion-Limited Processes in Hydrogels with Chosen Applications from Drug Delivery to Electronic Components

“…Compared to classic surface-active membranes, macroscopic sizes of hydrogel-based membranes and interaction areas comodifying a core network with acid-resisting Kevlar fibers do not lead to sensitivity drop but dramatically enhance such a membrane's utility [75]. Incorporating a self-healing agent into a selective hydrogel for water/organic splitting did not decrease the splitting selectivity [76]. Apart from additional modification, modern synthetic methods, such as host-guest organic synthesis [76], in situ ultrasonic matrix/filler homogenization with subsequent ultrasonic-assisted polymerization [77], or plasma-induced polymerization [78], are used for membrane improvement.…”

“…Incorporating a self-healing agent into a selective hydrogel for water/organic splitting did not decrease the splitting selectivity [76]. Apart from additional modification, modern synthetic methods, such as host-guest organic synthesis [76], in situ ultrasonic matrix/filler homogenization with subsequent ultrasonic-assisted polymerization [77], or plasma-induced polymerization [78], are used for membrane improvement.…”

Cucurbit[n]uril-based supramolecular hydrogels: Synthesis, properties and applications

“…Upon integration of macrocyclic structures, these polymers undergo gelation to form supramolecular hydrogels. In their study, Liu et al [109] utilized the reverse thermally induced phase separation method to produce self-healing polyethersulfone ultrafiltration membranes (as depicted in Figure 27) using Q [8] as the host and two guest molecules. These membranes exhibited superior self-healing abilities, improved mechanical properties, and increased permeate flux.…”

Tough, Photoluminescent, Self-Healing Waterborne Polyurethane Elastomers Resulting from Synergistic Action of Multiple Dynamic Bonds

“…Therefore, the new generation of polyurethane materials should have good healing and recycling capabilities to reduce the use cost and extend their service life. − The prerequisite for self-healing materials to obtain self-healing and recovery properties is to introduce reversible dynamic bonds, which are easy to break and recombine. Dynamic bonds include covalent bonds such as disulfide bonds, ,− acylhydrazone bonds, ,, Diels–Alder reactions, − and ester exchange reactions, , as well as noncovalent interactions such as hydrogen-bond, − π–π-stacking, , metal-ligand-bond, − and host–guest interactions. , …”

“…Dynamic bonds include covalent bonds such as disulfide bonds, 4,13−17 acylhydrazone bonds, 7,18,19 Diels−Alder reactions, 20−22 and ester exchange reactions, 23,24 as well as noncovalent interactions such as hydrogen-bond, 25−27 π−πstacking, 28,29 metal-ligand-bond, 30−32 and host−guest interactions. 33,34 T h i s c o n t e n t i s In recent years, disulfide and acylhydrazone bonds have received increasing attention due to their mild reaction conditions, multistimulus responses, and few side reactions. Martin et al constructed a self-healing poly(urea−carbamate) elastomer based on aromatic disulfides.…”