Preparation and deflection characterization of intelligent polymer gels controlled by magnetic fields

Fe
₃
O
₄
nanoparticles can be prepared by chemical co-precipitation. By using them in artificial muscle, it can be droved by magnetic field. Characterization was also performed by X-ray Diffraction (XRD), Transmission Electron Microscope (TEM) and Vibration Showpiece Magnetor (VSM). Fe
₃
O
₄
is dispersed in polyvinyl alcohol (PVA) hydrogel to make new type intelligent hydrogel - magnetic field sensitive polymer gels. Observe gel's surface through EM (Electron Microscope). IR (Infrared) of PVA and Fe
₃
O
₄
nanoparticles magnetic sensitive polymer gels is detected. The different proportion Fe
₃
O
₄
and Fe
₃
O
₄
magnetic field sensitive gels were tested in magnetic field for observing their deflection. Utilize the characterization of different deflection to make a finger of robot by changing the proportion of Fe
₃
O
₄
.