INKJET RECORDING METHOD, INKJET RECORDING SYSTEM AND INK SET

• Main Authors: MOTOTANI AKIHIRO, YASUKAWA HIROYUKI, SASAKI TERUO, MAEDA SEISUKE
• Format: Patent
• Language: English; Japanese
• Published: 05.09.2023
• Subjects: ADHESIVES; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; COLOUR PRINTING; CORRECTING FLUIDS; DYES; FILLING PASTES; INKS; LINING MACHINES; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; PERFORMING OPERATIONS; POLISHES; PRINTING; PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; STAMPS; TRANSPORTING; TYPEWRITERS; USE OF MATERIALS THEREFOR; WOODSTAINS

To provide an inkjet recording method, an inkjet recording system and ink set which can form a high-quality image even when using a highly concentrated aqueous ink.SOLUTION: There is provided an inkjet recording method using an aqueous ink, which comprises a step of applying the aqueous ink on a recording medium to which a coagulant and a resin are applied by an inkjet system, wherein the aqueous ink contains a coloring material, water and an organic solvent, the content of the coloring material in the aqueous ink is more than 4 mass% and the difference in solubility parameters between the resin and the organic solvent is 6 (cal/cm3)0.5 or less.SELECTED DRAWING: Figure 2 【課題】高濃度水性インクを用いても高品質な画像を形成できるインクジェット記録方法、インクジェット記録システム、及びインクセットを提供することである。【解決手段】本発明のインクジェット記録方法は、水性インクを用いたインクジェット記録方法であって、凝集剤と樹脂とが付与された記録媒体上に、インクジェット方式で、前記水性インクを付与する工程を有し、前記水性インクが、色材と、水と、有機溶剤とを含有し、前記水性インクにおける前記色材の含有量が、４質量％より大きく、前記樹脂と前記有機溶剤との溶解度パラメータの差が、６（ｃａｌ／ｃｍ３）０．５以下であることを特徴とする。【選択図】図２