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A facile surface modification method has been developed for improving the antifouling property of TFC membranes by immobilizing poly(ethylene glycol) (PEG) onto polyamide (PA) surface. PEG has been chelated and immobilized onto PA surface by ion-dipole interaction between ether oxygen atoms in PEG backbone and –COONa in PA layer. The resulting TFC membranes were characterized by ATR-FTIR, XPS, SEM,...
With the spiropyran-containing compound as the initiator, dual responsive spiropyran-ended poly(N-vinyl caprolactam) (SP-PNVCL) was synthesized by atom transfer radical polymerization. The structure of the resulting polymer was characterized by 1H NMR and gel permeation chromatography, and the polymer had both reversible light-responsive and thermo-sensitive behaviors. Metal ions could be bound between...
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