FIELD: chemistry.
SUBSTANCE: electrodepositable coating composition comprising a reaction product of an epoxy functional polymer and cyclic guanidine and a source of unreacted phenol are described. This electrodepositable coating composition exhibits a Coulomb consumption of less than 100 coulomb/gram, when applied to an electrically conductive substrate at a current density of ≤1.5 mA/cm2. A substrate and a method for coating a metal substrate are also described.
EFFECT: electrodeposited coatings containing cyclic guanidine are produced, which are effectively and in sufficient quantity applied to the substrate.
22 cl, 11 tbl, 1 dwg, 11 ex
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