WATER-BASED INKS COMPRISING LIGNIN

• Main Authors: Bouchard, Charles, Manouvel, Lydie, Tonnoir, Olivier, Helgertz, Nina, Noirot, Pierre-Antoine
• Format: Patent
• Language: English; French; German
• Published: 18.04.2018
• Subjects: ADHESIVES; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; CORRECTING FLUIDS; DYES; FILLING PASTES; INKS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; POLISHES; USE OF MATERIALS THEREFOR; WOODSTAINS

The present invention is related to a water-based ink composition containing an extender part and a pigment base part, characterized in that a binder in the extender part is a combination of a lignin, at least one acrylic resin and at least one co-resin, wherein said co-resin is selected from the group consisting of polyamides, polyurethanes, polyurethane-acrylic copolymers, polyvinylalcohol resins, polyvinylacetates, sulfopolyesters resins, styrene-butadiene rubbers, ethylene-acrylic acid copolymers, perfluoropolyethers resins, polyolefins and chlorinated polyolefins, preferably from the group consisting of polyamides, polyurethanes, polyvinylacetates and sulfopolyesters resins. The present invention is furthermore related to a method for manufacturing said composition, to the use of said binder or ink composition for applying a layer onto an article, and to said article.