Substrate and Cross Linking

Fig. 17.6 (a) Typical SEM cross-sectional image of PVA nanofibrous composite membrane, (b) Relations of permeate flux and solute rejection of the nanofibrous composite membranes with the degree of cross-linking in the PVA hydrogel coating for separation of oil-water emulsion, (c) Schematic illustration of the fabrication process for thin-film nanofibrous composite membianes based on PAN electrospun nanofibrous substrate and cross-linked PVA barrier layer ((a-b) Reprinted with permission from Ref [70]. Copyright 2006, Elsevier, (c) Reprinted with permission from Ref. [74]. Copyright 2010, Elsevier)... 

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