abstract |
An ink follower composition for ballpoint pens which comprises (1) a hardly volatile liquid and (2) expansible synthetic mica having a quaternary ammonium ion introduced therein or an ink follower composition for ballpoint pens which comprises (1) a hardly volatile liquid, (3) synthetic mica, and (4) a thickener, and a ballpoint pen having the ink follower composition. The ink follower composition follows ink without leaving ink behind on the inner wall of an ink container. |