A ROSIN POLYMER TO BE USED AS INERT COMPONENT IN A COATING, IN PARTICULAR A RADIATION CURING COATING SUCH AS A RADIATION CURING PRINTING INK

• Main Authors: TAMBOLI, Hemant, BACK, Justus
• Format: Patent
• Language: English; French; German
• Published: 26.07.2023
• 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; 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

A polymer is obtainable by a method comprising the reaction of:a) at least one rosin acid containing at least two conjugated carbon-carbon double bonds,b) at least one polydienophile compound comprising two or more carbon-carbon double bonds,c) at least one compound selected from the group consisting of polyhydroxyl compounds c1), polyepoxy compounds c2), polyamine compounds c3), polythiol compounds c4) and arbitrary combinations of two or more of the aforementioned compounds andd) at least one photoinitiator d1) and/or at least one co-initiator d2), wherein the at least one photoinitiator d1) and/or the at least one co-initiator d2) comprises at least one functional group being selected from the group of ester groups, carboxylic acid groups, carboxylic acid chloride groups, carboxylic acid anhydride groups, hydroxyl groups, thiol groups, primary amine groups, halogen groups, epoxy groups, isocyanate groups, isothiocyanate groups and arbitrary combinations of two or more of the aforementioned groups.