PROCESS FOR THE PREPARATION OF LOW-VISCOSITY, WATER-DILUTABLE URETHANE (METH)ACRYLATES

• Main Authors: FISCHER WOLFGANG, LUDEWIG MICHAEL, YUVA NUSRET, SOMMER STEFAN
• Format: Patent
• Language: English; Korean
• Published: 24.04.2013
• 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; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; 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; TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION; TECHNICAL SUBJECTS COVERED BY FORMER USPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF MATERIALS THEREFOR; WOODSTAINS

PURPOSE: A manufacturing process for low-viscosity water-dilutable urethane (meth)acrylate is provided to provide radiation-curable polyurethane (meth)acrylate which has a low viscosity and can be diluted by water within a wide range. CONSTITUTION: A manufacturing process for low-viscosity water-dilutable urethane (meth)acrylate comprises a step of reacting the following compounds: organic polyisocyanate with two or more isocyanate functional groups; polyoxyalkylene polyol with one or more starting molecules in which 0.2-1.5 hydroxy functional groups remain by the reaction of (meth)acrylic acid and esterification; and one or more compounds which have one or more ionic functional groups reactable with isocyanate.