WATERBORNE ZINC-RICH PRIMER COMPOSITIONS

摘要

ABSTRACT Waterborne Zinc-Rich Primer Compositions A multi-component waterborne corrosion resistant coatingcomposition used as an organic zinc rich primer for protecting metal substratefrom corrosion. The composition includes zinc dust, a crosslinking componentand a polymeric component produced from a low Tg polymer and an aminefunctional curing agent. These components of the composition are storedseparately and then mixed prior to applying the coat of the composition overmetal substrate. The coating composition of the present invention has longer pot lifethan conventional waterborne corrosion resistant coating composition.