Preparation of polyurethane ureas using as hardeners mixtures of water, amines, aldimines and ketimines

The present invention relates to a process for the production of polyurethane ureas from a prepolymer which contains isocyanate groups and a mixture of hardeners containing amino groups, in the presence of water, and optionally in the presence of solvents, characterized in that the mixture of harden...

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Bibliographische Detailangaben
Hauptverfasser:	HAJEK, MANFRED, WEBER, KARL-ARNOLD, KONIG, EBERHARD, PEDAIN, JOSEF
Format:	Patent
Sprache:	eng
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:	The present invention relates to a process for the production of polyurethane ureas from a prepolymer which contains isocyanate groups and a mixture of hardeners containing amino groups, in the presence of water, and optionally in the presence of solvents, characterized in that the mixture of hardeners comprises compounds corresponding to the following general formulae: