| abstract |
PROBLEM TO BE SOLVED: To provide an ink composition for an oil-based ball-point pen, in which an ink smoothly comes out at the time of writing, gives a smooth writing feel, and exhibits excellent performance with little deterioration of the ink in a ball-point pen over time. . SOLUTION: An oil-based ballpoint pen ink composition containing at least a coloring agent, an organic solvent, and a resin has a carbon number of 8 to 8. An oil-based ink composition for a ballpoint pen, comprising 30 fatty acids and at least one compound selected from polyoxyethylene alkylamines represented by the following general formula (I). Embedded image |