International Journal of Polymer Science / 2016 / Article / Fig 4

Research Article

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

Figure 4

SEM micrographs: cross-sectional structure of pure PSF (a), PSF/PEG 5 wt% (b), and PSF/PEG 10 wt% (c) membranes.

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