Structure and Properties of Hydrophobic Aggregation Hydrogel with Chemical Sensitive Switch

Figure 2

FTIR spectra of octadecyl methacrylate-acrylamide-N,N′-bis(acryloyl)-cystamine hydrogel (concentration of octadecyl methacryl (a) 3%, (b) 4%, (c) 5%, (d) 7%, and (e) 9%).