Multilayer coatings having color matched adhesion promoters

The present invention provides coatings comprising a substrate coated with one or more than one colored primer layer comprising one or more than one binder chosen from a resinous or (co)polymeric primer or adhesion promoter, and one or more than one basecoat color layer thereon, wherein the color of...

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1. Verfasser: MECOZZI JOSEPH M.,STUBBS FRANK A.,WILLMAN PETER J.,JACKSON RUTH ANITA,JACKSON MICHAEL L
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creator MECOZZI JOSEPH M.,STUBBS FRANK A.,WILLMAN PETER J.,JACKSON RUTH ANITA,JACKSON MICHAEL L
description The present invention provides coatings comprising a substrate coated with one or more than one colored primer layer comprising one or more than one binder chosen from a resinous or (co)polymeric primer or adhesion promoter, and one or more than one basecoat color layer thereon, wherein the color of each of the basecoat layer and the colored primer layer are the same. Preferred coatings comprise single colored primer and basecoat color layers to make color coatings having a reduced film build, i.e. two layers. Binders for making primer coating layers may comprise weatherable primer resins or (co)polymers, or may comprise adhesion promoters chosen from modified isotactic polypropylene (MPP), MPP copolymers, chlorinated polyolefin (CPO), and their mixtures with alkyds or acrylics. In addition, the present invention provides methods for making coatings on substrates such as thermoplastic polyolefin (TPO), polyolefin containing or metal substrates. Accordingly, the present invention provides color coatings that exhibit improved hiding of dark color or black substrates, such as automotive plastics like TPO, made from simplified coating methods.
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Preferred coatings comprise single colored primer and basecoat color layers to make color coatings having a reduced film build, i.e. two layers. Binders for making primer coating layers may comprise weatherable primer resins or (co)polymers, or may comprise adhesion promoters chosen from modified isotactic polypropylene (MPP), MPP copolymers, chlorinated polyolefin (CPO), and their mixtures with alkyds or acrylics. In addition, the present invention provides methods for making coatings on substrates such as thermoplastic polyolefin (TPO), polyolefin containing or metal substrates. 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subjects ADHESIVES
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
CHEMICAL PAINT OR INK REMOVERS
CHEMISTRY
COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS
COMPOSITIONS BASED THEREON
CORRECTING FLUIDS
DYES
FILLING PASTES
GENERAL PROCESSES OF COMPOUNDING
INKS
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
ORGANIC MACROMOLECULAR COMPOUNDS
PAINTS
PASTES OR SOLIDS FOR COLOURING OR PRINTING
PERFORMING OPERATIONS
POLISHES
PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL
SPRAYING OR ATOMISING IN GENERAL
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRANSPORTING
USE OF MATERIALS THEREFOR
WOODSTAINS
WORKING-UP
title Multilayer coatings having color matched adhesion promoters
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