Surface Modification of Asymmetric Polysulfone/Polyethylene Glycol Membranes by DC Ar-Glow Discharge Plasma

Figure 8

FTIR spectra of PSF/PEG membranes before (black) and after (orange) plasma treatment; (a) wavenumber 600 to 1,800 and (b) 1,800 to 4,000.

(a)

(b)