Study on Polyvinly-Alcohol(PVA)/ Iron Oxide Black(Fe₃O₄) and Polyvinly-Alcohol(PVA)/ Iron Oxide Red(Fe₂O₃) Magnetic Sensitive Hydrogel

Abstract:

Iron oxide black and iron oxide red magnetic sensitive to polyvinly-alcohol hydrogel has been fabricated using physical cross-linking method. The mechanical properties and swelling characteristics have been studied for different content, magnetic sensibility were tested using the vibration sample magnetometer, experiment results show that iron oxide red hydrogel has better mechanical properties, Percentage of swelling and loss rate of water of the polyvinly-alcohol hydrogel decrease with the increasing of the magnetic particles content, the change tendency is very like, cross-linking is increased with performance the swelling performance decreasing; PVA and Fe3O4 has good response from the SEM photo and IR spectrogram; its magnetic properties is better.

• Periodical: Advanced Materials Research (Volumes 287-290)
• Pages: 2032-2035
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.287-290.2032
• Online since: July 2011
• Authors: Shu Di Zhang, Yu Chun Zhai, Zhen Fang Zhang
• Keywords: Fe₂O₃, Fe₃O₄, Freezing-Thawing, Hydrogel, Magnetic Sensitive, Mechanical Property, PVA

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