Multifunctional rare earth organic

Multifunctional rare earth organic corrosion inhibitors... 

There are advantages and inherent limitations associated with the use of multifunctional rare earth organic inhibitors for corrosion protection, with the most obvious advantage being the decreased toxicity of these compounds compared with chromate species. This reduced toxicity makes this class of corrosion inhibitors attractive in an industrial sense, as less health and safety issues would arise during manufacture, application and repair. There would also be fewer adverse environmental impacts to consider. 

The sparing solubility of these multifunctional inhibitor compounds lend themselves more readily to incorporation into paints as slow-release corrosion protection. To avoid possible interference of rare earths elements with epoxy polymer coating systems, as has been observed, an encapsulation mechanism may be considered to successfully incorporate rare earth organic inhibitors into paint formulations. This would limit any detrimental interaction, while still allowing the release of an inhibitor as required. 

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