Abstract
In recent years, excellent cytocompatability of magnesium alloy in addition to the bioactivity, biodegradation and match of mechanical properties is increasingly indispensable for biomedical applications. Surface modification by single inorganic or polymer coating provides inadequate functionality in reducing corrosion rate and improving cytobiocopatibility, bioactive polymer composite coatings are supposed to draw on multiple merits of individual component materials and may present a new trend to develop Magnesium alloy biomaterials with promising properties. This review focuses on the effects of polymer composite coatings and their preparations through sealing micro pores in inorganic coating, low temperature deposition techniques, biomemitic synthesis as well as controllable bioactive composite coating by virtue of irradiation modification.
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