MONOAZA LAKE PIGMENT COMPOSITION AND GRAVURE INK USING THE SAME

摘要

A MONOAZO LAKE PIGMENT COMPOSITION CONTAINING A MONOAZO LAKE PIGMENT OBTAINED FROM A LAKED PIGMENT AQUEOUS SLURRY PREPARED BY CONDUCTING COUPLING OF A DIAZO COMPONENT OBTAINED BY DIAZOTIZING AN AROMATIC AMINE HAVING A SOLUBLE GROUP AND A COUPLER COMPONENT AND CONDUCTING LAKING AFTER OR SIMULTANEOUSLY WITH THE COUPLING, WHEREIN THE LAKING IS CARRIED OUT IN THE PRESENCE OF A WATER-SOLUBLE ACRYLIC POLYMER IN AN AMOUNT OF 0.1 TO 40 PARTS BY WEIGHT PER 100 PARTS OF THE ABOVE COUPLER COMPONENT, AND A GRAVURE INK CONTAINING THE ABOVE PIGMENT COMPOSITION AND A GRAVURE INK VEHICLE.