ELECTRODEPOSITABLE COATING COMPOSITIONS

The present disclosure is directed to an electrodepositable coating composition comprising an electrodepositable binder comprising an ionic salt group-containing film-forming polymer and a curing agent; and at least one pigment: wherein the electrodepositable coating composition has a resin solids c...

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Bibliographische Detailangaben
Hauptverfasser: ROCK, Reza Michael, SAXON, Derek James, DEDOMENIC, Corey James, DACKO, Christopher Andrew
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:The present disclosure is directed to an electrodepositable coating composition comprising an electrodepositable binder comprising an ionic salt group-containing film-forming polymer and a curing agent; and at least one pigment: wherein the electrodepositable coating composition has a resin solids content of less than 30% by weight, based on the total weight of the electrodepositable coating composition, and a viscosity of at least 15 cP at a shear rate of 0.1/s, as measured by the BATH VISCOSITY TEST METHOD; and wherein the pigment optionally comprises a phyllosilicate pigment, and the pigment-to-binder ratio of the phyllosilicate pigment to the electrodepositable binder is less than 0.2:1 if the electrodepositable coating composition is a cationic electrodepositable coating composition and a pigment dispersing acid is present in the cationic electrodepositable coating composition. Also disclosed are coatings, coated substrates, and methods of coating a substrate.