PROCESS FOR CONTINUOUS PRODUCTION OF AQUEOUS POLYURETHANE-POLYUREA DISPERSIONS AND AQUEOUS POLYURETHANE-POLYUREA DISPERSIONS

• Main Authors: REUTER, Hardy, BAUER, Jürgen
• Format: Patent
• Language: English; French
• Published: 29.08.2024
• Subjects: 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

The present invention relates to an aqueous polyurethane-polyurea dispersion and a process for continuous production of such an aqueous polyurethane-polyurea dispersion comprising the use of a high shear dispersion device comprising a specific rotor/stator unit. La présente invention concerne une dispersion aqueuse de polyuréthane-polyurée et un procédé de production continue d'une telle dispersion aqueuse de polyuréthane-polyurée comprenant l'utilisation d'un dispositif de dispersion à cisaillement élevé comprenant une unité rotor/stator spécifique.