MULTILAYER VARNISH STRUCTURE WITH IMPROVED LAYER ADHESION

The present invention relates to a layer composite comprising a lower base paint layer and a cover layer arranged thereabove on a substrate, wherein the base paint is greater than or equal to 50 wt. % and less than 100 wt. % of polymers selected from the group consisting of polyacrylates, polyuretha...

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Hauptverfasser: HEBESTREIT, Tanja, LANGENFELD, Frank, HECKING, Andreas, LAAS, Hans-Josef, RIEHL, Katja, GOLLING, Florian, WEIKARD, Jan
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Sprache:eng ; fre ; ger
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creator HEBESTREIT, Tanja
LANGENFELD, Frank
HECKING, Andreas
LAAS, Hans-Josef
RIEHL, Katja
GOLLING, Florian
WEIKARD, Jan
description The present invention relates to a layer composite comprising a lower base paint layer and a cover layer arranged thereabove on a substrate, wherein the base paint is greater than or equal to 50 wt. % and less than 100 wt. % of polymers selected from the group consisting of polyacrylates, polyurethanes, polyether polyols, polycarbonate polyols, polyester polyols, melamine resins, alkyd resins or mixtures thereof; the cover layer is greater than or equal to 40 wt. % and less than or equal to 100 wt. % of prepolymers containing silane groups and/or the crosslinking products thereof; and the base paint is greater than or equal to 0.5 wt. % and less than or equal to 15 wt. % of prepolymers containing silane groups and/or the crosslinking products thereof, and wherein the prepolymers containing silane groups and/or the crosslinking products thereof have at least one thiourethane and/or urethane unit in the molecule. The invention further relates to a method for producing a claimed layer composite and to a vehicle or a vehicle body part having such a layer composite.
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The invention further relates to a method for producing a claimed layer composite and to a vehicle or a vehicle body part having such a layer composite.</abstract><oa>free_for_read</oa></addata></record>
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language eng ; fre ; ger
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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
CORRECTING FLUIDS
DYES
FILLING PASTES
INKS
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
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
TRANSPORTING
USE OF MATERIALS THEREFOR
WOODSTAINS
title MULTILAYER VARNISH STRUCTURE WITH IMPROVED LAYER ADHESION
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