Method for preparing multilayered coated articles and the coated articles prepared by the method

A method of forming a multilayered coating on a substrate involves the steps of: (I) applying to the surface of a substrate an aqueous based film forming composition comprising color pigments and an aqueous polyurethane dispersion comprising the reaction product of: (a) a substantially branched, iso...

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Bibliographische Detailangaben
Hauptverfasser:	SUSS, NAOMI RUTH, HARTMAN, MARVIS EDGAR, PEREZ, LEON ANTONIO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SPRAYING OR ATOMISING IN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING
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Beschreibung
Zusammenfassung:	A method of forming a multilayered coating on a substrate involves the steps of: (I) applying to the surface of a substrate an aqueous based film forming composition comprising color pigments and an aqueous polyurethane dispersion comprising the reaction product of: (a) a substantially branched, isocyanate containing prepolymer; and (b) a polyamine having primary and/or secondary amino groups; (II) applying a clear film forming composition over the basecoat of step (I); (III) allowing the clear composition of step (II) to at least partially dry or cure to form a transparent topcoat over said basecoat.