Journal
PROGRESS IN ORGANIC COATINGS
Volume 169, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.porgcoat.2022.106920
Keywords
Magnesium alloy; Phytic acid; Conversion coating; Biocompatibility
Funding
- National Natural Science Foundation of China [31070841, 51705195]
- Natural Science Foundation of Shandong Province [ZR2021QE263]
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Phytic acid coating can improve the corrosion resistance of magnesium alloy, possess osteogenic inducement and environmental friendliness, and plays a significant role in improving the integrity of temporary repair implants for implant materials.
Magnesium (Mg) alloys have been favored by numerous researchers due to their excellent biocompatibility and degradability. Whereas, the rapid corrosion rate cannot guarantee the integrity of temporary repair implant during the healing period, this will lead to surgical failure. Phytic acid (PA), is a non-toxic organic macromolecule, with several active ligands. Depend on the characteristic of easy complexation with metal ions, it has been practiced on the surface of metal implanted materials. The PA conversion coating can not only improve the corrosion resistance of the Mg matrix but also possess osteogenic inducement and environmental friendliness. In this paper, the research progress of PA coating on biological Mg alloy in recent decades is reviewed from the structure of PA, influence factors and the strategy of combining with other coatings to improve its deficiency.
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