| 摘要 |
<p>PURPOSE:To obtain a composition which gives an oil-based ink for a ball point pen and the ball point pen where the ink flow is smooth on the start of writing, smooth write feeling is given and shows reduced deterioration with a lapse of time. CONSTITUTION:The ink composition for the ball point pen comprises polyethylene glycol of 200 to 4,000,000 of average molecular weight, organic solvents and resins.</p> |
