摘要 |
PROBLEM TO BE SOLVED: To provide an aqueous pigment ink for an ink jet recording, capable of stably being ejected and directly recording on a paper, plastic film, etc., not particularly treated with an image-receiving layer treatment, etc., and excellent in waterproofness, close adhesivity and weather resistance of the recorded images, and a method for producing the same ink. SOLUTION: This aqueous pigment ink for an ink jet recording is constituted of water, a pigment, a resin emulsion and a water-soluble organic compound, wherein the boiling point of the water-soluble organic compound is in 150-300 deg.C range and the adding amount of the compound is in 15-30 wt.% range based on the total amount of the ink. The method for producing the same ink is also provided. |