An efficient co-solvent tailoring interfacial polymerization for nanofiltration: enhanced selectivity and mechanism

Interfacial polymerization at unconventional interfaces: an emerging strategy to tailor thin-film composite membranes

“…Bearing this in mind, various other co-solvents such as benzene, toluene, and ethyl acetate have been studied and have shown effectiveness in the enhancement of membrane performance. [37][38][39][40] Apart from the common parameters of surface tension and amine diffusion, it is found that the dipole-dipole interaction between DMSO and the organic phase monomer trimesoyl chloride (TMC) can increase the TMC concentration at the interface and, therefore, the polymerization rate. This provides a new perspective on understanding the role of co-solvents.…”

Precise Regulation of Monomer Reactive Sites Enhances the Water Permeance and Membrane Selectivity of Polyamide Nanofiltration Membranes

“…14,15 For example, some studies applied cosolvents (e.g., acetone 16,17 and ethyl acetate 18,19 ) to regulate the IP reaction to shape polyamide morphology 20 and/or tailor the cross-linking degree. 21 Some works incorporated porous metal−organic frameworks 22 and/or nonporous nanoparticles 23 during IP reaction to create selective channels toward high membrane performance. However, these strategies can suffer from some uncontrollable factors.…”

“…To date, several strategies have been applied to tailor IP for regulating the structure and chemistry of polyamide nanofilms toward better membrane selectivity, − such as cosolvent addition , and nanofiller incorporation. , For example, some studies applied cosolvents (e.g., acetone , and ethyl acetate , ) to regulate the IP reaction to shape polyamide morphology and/or tailor the cross-linking degree . Some works incorporated porous metal–organic frameworks and/or nonporous nanoparticles during IP reaction to create selective channels toward high membrane performance.…”