ANTHRAQUINONE COMPOUND AND WATER-BASED INK-JET RECORDING INK CONTAINING THE COMPOUND

摘要

An anthraquinone compound which is represented by the following general formula (1). This compound is preferably represented by the formula (1) wherein X is an oxygen atom and R1 is a group represented by the general formula (2) wherein R8 is preferably -NR12R13. The compound is useful as a dye excellent in water resistance, light resistance, and compatibility with resins in a water-based ink-jet recording ink which is an emulsion consisting mainly of a water-insoluble dye, water, and a resin. The water-based ink-jet recording ink containing the compound is excellent in light resistance and storage stability. The ink can form a high-quality image free from blurring especially when used in ink-jet recording, and gives a recorded image having excellent water resistance.