Method for improving coating cure for article coated in phosphate-contaminated electrocoat coating composition and electrocoat coating composition

An electrocoat coating composition contaminated with phosphate ions is treated by adding zirconium silicate to the coating composition. Aqueous electrocoat coating compositions including (1) a bismuth compound and that is free of tin compounds and free of bismuth hydroxide or (2) having a catalyst c...

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Bibliographische Detailangaben
Hauptverfasser:	SCHOCK KEVIN M, SCHILLER ROBERT D
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	An electrocoat coating composition contaminated with phosphate ions is treated by adding zirconium silicate to the coating composition. Aqueous electrocoat coating compositions including (1) a bismuth compound and that is free of tin compounds and free of bismuth hydroxide or (2) having a catalyst consisting essentially of a member selected from the group consisting of bismuth compounds and mixtures of these also include zirconium silicate.