Surface Engineered Polymeric Biomaterials with Improved Biocontact Properties

Figure 3

Grafting of PEG by the Schiff base reaction between PEG-CHO and surface-NH2 on polymer surfaces aminated in various ways, for example by treatment in di-amino-cyclohexane (DACH) plasma or by deposition of polyethyleneimine (PEI) on preoxidated polymer surface [50].