SCRATCH-RESISTANT AQUEOUS 2K PU COATINGS

• Main Authors: REYER, Robert, LAAS, Hans-Josef
• Format: Patent
• Language: English; French
• Published: 16.03.2017
• 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

The invention relates to aqueous two-component coating compositions based on preferably hydroxy- functional and/or amino-functional aqueous polymer dispersions and thioallophanates containing silane groups as crosslinking agents, to a method for producing them and to the use of these coating compositions for producing coatings. L'invention concerne des compositions de revêtement aqueuses à deux constituants, de préférence à base de dispersions polymères hydroxy-fonctionnelles et/ou amino-fonctionnelles et de thioallophanates contenant des groupes silane en tant qu'agents de réticulation, un procédé pour les produire et l'utilisation de ces compositions de revêtement pour la production de revêtements.