PROCESS FOR MULTI-LAYER COATING

A process for multilayer coating of substrates includes applying a base coat layer of a water-based color- and/or special effect-imparting base coat composition onto a substrate, applying a clear coat layer of a transparent clear coat composition onto the base coat layer, and curing the clear coat l...

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Hauptverfasser: WIETOR JEAN-LUC, FLOSBACH CARMEN, BRUYLANTS PAUL P
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creator WIETOR JEAN-LUC
FLOSBACH CARMEN
BRUYLANTS PAUL P
description A process for multilayer coating of substrates includes applying a base coat layer of a water-based color- and/or special effect-imparting base coat composition onto a substrate, applying a clear coat layer of a transparent clear coat composition onto the base coat layer, and curing the clear coat layer. The base coat composition contains a water-dilutable polyurethane hybrid binder, obtained by polymerization of a polyurethane macromonomer, containing a lateral and/or terminal vinyl group, in the presence of an unsaturated monomer copolymerizable with the polyurethane macromonomer, a curing agent, and a pigment. The polyurethane macromonomer is based on a polyhydroxyl compound. The polyhydroxyl compound comprises at least about 50% by weight of at least one polycarbonate polyol, which is liquid at 20° C., the % by weight based on the total amount of the polyhydroxyl compound.
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The base coat composition contains a water-dilutable polyurethane hybrid binder, obtained by polymerization of a polyurethane macromonomer, containing a lateral and/or terminal vinyl group, in the presence of an unsaturated monomer copolymerizable with the polyurethane macromonomer, a curing agent, and a pigment. The polyurethane macromonomer is based on a polyhydroxyl compound. 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subjects ADHESIVES
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
INKS
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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
title PROCESS FOR MULTI-LAYER COATING
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