INK FOR INK-JET RECORDING AND INK CARTRIDGE AND APPARATUS FOR RECORDING HAVING THE SAME INK

摘要

PROBLEM TO BE SOLVED: To improve the preservation stability of an ink for ink-jet recording comprising a colorant, a humectant, water and a water-soluble substance causing a polycondensation reaction in the state of the absence of water.

SOLUTION: The ink for ink-jet recording is prevented from forming aggregates in the ink by further including an aggregation stabilizer and thereby making a slightly soluble substance or an insoluble substance composed of the colorant and the water-soluble substance readily soluble in water.

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