Improving Anti-Protein-Fouling Property of Polyacrylonitrile Ultrafiltration Membrane by Grafting Sulfobetaine Zwitterions
Figure 7
Sectional structure and surface structure of PAN-350 membrane. (a) and (b) PAN, (c) and (d) hydrolyzed PAN, (e) and (f) PAN-M1, (g) and (h) PAN-M2, and (i) and (j) PAN-M3.