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Corrosion Protection with Ion Barrier Coatings(I) Barrier to Anion Coating
Jianguo Wang and Sue Wang
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DOI:10.17265/1934-7375/2018.03.001
A cation exchange membrane is permeable to cation and impermeable to anions. When the membrane is directly coated on a metal surface, the coating will not provide corrosion protection to the substrate, and it delaminated in salt fog testing. When the barrier to anion membrane coated on the surface of a primer, it inhibits anions to diffuse from the environment through the coating.
Ion exchanger, ion barrier, corrosion protection, delamination, organic metal finishes, selective permeation
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