Nanofiltration Performance of Poly(p-xylylene) Nanofilms with Imidazole Side Chains.

ABSTRACT: Herein, we report the nanofiltration performance of poly(p-xylylene) thin films with imidazole side chains that were deposited onto commercial polyethersulfone ultrafiltration membranes using a chemical vapor deposition process. The resulting thin films with a few tens of nanometers exhibited water permeation under a pressure difference of 0.5 MPa and selectively rejected water-soluble organic dyes based on their molecular sizes. Additionally, thin flaky ZIF-L crystals (Zn(mim)₂·(Hmim)_1/2·(H₂O)_3/2) (Hmim = 2-methylimidazole) formed on the surface of imidazole-containing poly(p-xylylene) films, and the composite films demonstrated the ability to adsorb methylene blue molecules within the cavities of ZIF-L.

SUBMITTER: Yoshida S 

PROVIDER: S-EPMC10422224 | biostudies-literature | 2023 Aug

REPOSITORIES: biostudies-literature