ANTICORROSION COATINGS WITH REACTIVE POLYELECTROLYTE COMPLEX SYSTEM

摘要

The present application is directed to anticorrosion coatings on metal substrates. In particular the coatings are especially suitable for metal containing medical devices and implants. The anticorrosion coatings comprise a combination of anionic and cationic polyelectrolytes which when applied to a metal substrate form a complex. In addition to cationic and anionic functionality, the polyelectrolytes also possess additional functionality which allows for further reacting to form covalent bonds between the anionic and cationic polyelectrolytes. The formed complex once applied to the metal substrate surface provides improved corrosion resistance, protection from metal ion release and improved mechanical properties.