Regulation of Oil/Water Separation Using Pyridinium-Based Poly(ionic liquid)s with Prewetted Induced Responsive Transition

• DOI: 10.1021/acsami.4c17987
• Publication Date: 2025-01-09T00:19:21Z
• Authors: Xiaoyu Cao; Xiaomin Qiu; Fan Zhang; Meng Xiao; Tingting Huang; Quanhong Zhu; Zhijie Shang; Hongbing Song
• Keywords: Reusability

The development of affordable, intelligent dual-separation technology is crucial for the treatment oil–water mixtures. Pyridinium-based poly(ionic liquid)s (PILs), designed using molecular theory, exhibit unique switching wettability properties, making them ideal use in both aqueous and oily environments. By prewetting material's surface with water or oil, targeted separation these components becomes feasible. PILs are synthesized through cross-linking [Pyr]Cl various cross-linkers auxiliary agents. Studies on wetting mechanism materials have identified bursting pressure structure as key factors influencing their properties. They hydrophilic lipophilic properties air, hydrophobic under oleophobic water, achieving a 99% efficiency. A reusability study demonstrated maintenance 90% efficiency after 10 cycles, highlighting sustained high performance. This research presents promising avenues application PIL-based separation, environmental remediation, industrial processing.