| 摘要 |
PROBLEM TO BE SOLVED: To provide an aqueous pigment ink composition that can be used for writing instruments, recorders, printers or the like, has excellent drought resistance, and causes no crystal deposition.SOLUTION: An aqueous pigment ink composition comprises at least pigment, styrene acrylic acid resin and/or styrene-maleic acid resin, xylitol, pentaerythritol, and water. |
