AIR-DRYING WATER-BASED COATING AGENT AND ITS MANUFACTURE AND USE

The invention relates to a physically drying, water-borne coating composition. In addition to water, pigments, neutralisers and conventional additives, and small amounts of solvent, it contains a binder mixture comprising A) from 10 to 90% by weight of polyurethanes containing carbonate groups and h...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TOOMASU BUROTSUKU, HANSUUPEETAA PATSUSHIYUKE, FURITSUTSU ZADOUSUKII
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 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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Beschreibung
Zusammenfassung:	The invention relates to a physically drying, water-borne coating composition. In addition to water, pigments, neutralisers and conventional additives, and small amounts of solvent, it contains a binder mixture comprising A) from 10 to 90% by weight of polyurethanes containing carbonate groups and having a glass transition temperature of < 0 DEG C, based on products of the reaction of polyisocyanates with polyhydroxyl compounds, with a content of polyhydroxypolycarbonates, and B) from 90 to 10% by weight of products of the reaction of carboxyl-functional polycondensates and alpha , beta -olefinically unsaturated monomers, having a glass transition temperature of > 0 DEG C, in the form of an aqueous dispersion. The coating composition is particularly suitable for automotive refinishing.