초록 |
Smart hydrogels which can respond to various stimuli such as temperature, light, pH or electric field have been paid great attentions for their various biomedical applications. In this study, we prepared a hydrogel based on a blend of poly(vinyl alcohol) (PVA) and water soluble sulfonated polyaniline (sPANi). The water soluble sPANi was synthesized by oxidative polymerization of 3-aminobenzenesulfonic acid in a pyridine aqueous solution at 10 oC using ammonium persulfate as an oxidant. The PVA/sPANi blend hydrogel was prepared via solution blending of PVA and sPANi in water and using glutaraldehyde and HCl as a crosslinker and catalyst. Structure of the hydrogel was analyzed by FTIR. And, effect of sPANi content on the degree of swelling, mechanical properties, and electroresponsive properties of the PVA/sPANi blend hydrogels were investigated. |