Wäßrige Überzugsmittel für elastische Einbrennlackierungen

Heat-crosslinkable, aqueous coating compositions which contain, as binder, a combination of a) a water-soluble or -dispersible polyol component with b) a water-soluble or -dispersible polyisocyanate component containing blocked isocyanate groups, made from b1) a polyisocyanate mixture having a mean...

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Bibliographic Details
Main Authors PEDAIN, JOSEF., 5000 KOELN, DE, SCHOENFELDER, MANFRED., 5090 LEVERKUSEN, DE, MUELLER, HEINO, 5090 LEVERKUSEN, DE, MAGER, DIETER, 5090 LEVERKUSEN, DE
Format Patent
LanguageGerman
Published 28.10.1993
Edition5
Subjects
ADHESIVES
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
POLISHES
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF MATERIALS THEREFOR
WOODSTAINS
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Summary:Heat-crosslinkable, aqueous coating compositions which contain, as binder, a combination of a) a water-soluble or -dispersible polyol component with b) a water-soluble or -dispersible polyisocyanate component containing blocked isocyanate groups, made from b1) a polyisocyanate mixture having a mean NCO functionality of from 2.5 to 3.5 comprising (i) at least 15% by weight of a diisocyanate component and (ii) tri- and/or higher-functional polyisocyanates, b2) blocking agents for isocyanate groups, and b3) at least one aliphatic monohydroxycarboxylic acid, and optionally conventional auxiliaries and additives, and the use thereof for coating metallic substrates with stoving finishes (baking finishes).
Bibliography:Application Number: DE19924213527