| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an oil based ink composition for writing utensils or the like which smoothly comes out upon staring writing to reduce the so-called blurring at initial writing even when a pigment is used as the colorant. SOLUTION: In the oil based ink composition for writing utensils containing at least a colorant, an organic solvent, and resin, the composition contains a vegetable oil.</p> |
