Abstract
A polyaniline/polyacrylamide composite hydrogel is synthesized, characterized and measured. Fourier transform infrared spectroscopy reveals that partial polyaniline chains have grafted on the nitrogen atoms of polyacrylamide. X-ray diffraction shows that typical polyaniline crystallization is formed in polyaniline/polyacrylamide composite, which is advantageous to increase the electrical conductivity of the composite hydrogel. UV–Vis spectra indicates the formation of high conductive emeraldine polyaniline salt in polyaniline/polyacrylamide composite. Scanning electron microscopy shows a typical porous structure in the composite hydrogel. The polyaniline/polyacrylamide hydrogel has a good conductivity of 0.6 S/cm and good release stability in acidic and neutral conditions.
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