Aqueous coating agent and use thereof

Aqueous coating compositions containing - one or more film-forming, water-dilutable or water-soluble epoxy resins having an epoxide equivalent weight of from 100 to 10,000, - one or more water-dilutable or water-soluble polyamines containing at least 2 primary and/or secondary amino groups in the mo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SCHWAN, HEINER, OBLOH, RONALD
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	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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Beschreibung
Zusammenfassung:	Aqueous coating compositions containing - one or more film-forming, water-dilutable or water-soluble epoxy resins having an epoxide equivalent weight of from 100 to 10,000, - one or more water-dilutable or water-soluble polyamines containing at least 2 primary and/or secondary amino groups in the molecule and having an equivalent weight of from 50 to 500, - optionally pigments, fillers and/or other assistants which are conventional in paint technology, - where the ratio between the reactive hydrogen atoms of the polyamines and the epoxide groups of the epoxy resins is from 0.7:1 to 1.5:1, and from 5 to 80 % by weight of one or more water-dilutable or water-soluble polyurethane resins having a number average molecular weight (Mn) of from 500 to 500,000 based on the sum of the solid weights of epoxy resin and polyamine.