Research Article

Surface Modification of TFC-PA RO Membrane by Grafting Hydrophilic pH Switchable Poly(Acrylic Acid) Brushes

Figure 1

FTIR spectra of the pristine and modified membrane: (a) pristine TFC-PA membrane and its functionalization with P(t-BA) brushes; (b) functionalized P(t-BA) brushes of the membrane after hydrolysis to give PAA brushes.
(a)
(b)