A Facile Strategy toward the Preparation of a High-Performance Polyamide TFC Membrane with a CA/PVDF Support Layer.

ABSTRACT: In this study, polyamide (PA) thin-film composite (TFC) nanofiltration membranes were fabricated via interfacial polymerization on cellulose acetate (CA)/poly(vinylidene fluoride) (PVDF) support layers. Several types of CA/PVDF supports were prepared via the phase inversion method. With increasing CA, the PVDF membrane surface pore size decreased and hydrophilicity increased. The effect of the support properties on the performance and formation mechanism of PA films was systematically investigated via an interfacial polymerization (IP) process. The permselectivity of the resulting TFC membranes was evaluated using a MgSO₄ solution. The results show that the desired polyamide TFC membrane exhibited excellent water flux (6.56 L/(m²·h·bar)) and bivalent salt ion rejectio

SUBMITTER: Liu F 

PROVIDER: S-EPMC9785465 | biostudies-literature | 2022 Dec

REPOSITORIES: biostudies-literature