Developing of a polymeric coating containing bioactive glass 45S5 on magnesium and investigating its biocompatibility and corrosion resistance
Paper ID : 1243-ICNS
Zanko Rouien *1, Hassan Jafari1, Fatemeh sadat Pishbin2, Abdulreza Simchi3
1Department of Faculty of Materials Engineering and Modern Technologies, Shahid Rajaee Teacher Training University, Tehran, 16785-136, Iran
2School of metallurgy and Materials Engineering, University of Tehran, Tehran, 11155-4563, Iran
3Institute for Nanoscience and Nanotechnology, Sharif University of Technology, Tehran, 14588, Iran
Magnesium (Mg) and its alloys are potential biodegradable implant materials due to their attractive biological properties. The main challenge in using Mg in biomedical applications is its high degradation rate in the body. Therefor, in this study, a composition of polymethyl methacrylate (PMMA) and bioactive glass 45S5 (BG) particles has been applied on the surface of Mg substrate via electrophoretic deposition (EPD). The materials characteristics of uncoated and coated substrates with PMMA as well PMMA-BG have been analyzed and compared in details. In vitro bioactivity properties of the coatings in simulated body fluid (SBF) solution at 37 ° C were investigated following 2, 5, 7, and 14 days of immersion. Besides The corrosion properties of the coatings were studied by electrochemical tests in (SBF). The morphological and microstructural characterization of the coatings were examined using scanning electron microscopy (SEM) and Fourier-transform infrared spectroscopy (FTIR). Moreover, the corrosion properties of the coatings were studied by electrochemical tests in (SBF).The results demonstrated that Mg substrates coated with PMMA-BG exhibited significant improvement in bioactivity and corrosion resistance.
“Magnesium; Coating; polymethyl methacrylate; bioactive glass 45S5; EPD; SBF”
Status : Abstract Accepted (Poster Presentation)