| 摘要 |
<p>PURPOSE:To provide the compsn. which provides written lines excellent in hiding power, hardly exhibits difference in whiteness between just after writing and after drying, and can flow out the ink even when used in a writing utensil of a central lead type. CONSTITUTION:The compsn. contains, as a white hiding agent, a styrene-based doughnut-shaped flat particle emulsion. The doughnut-shaped flat particle has a circular shape or the like with a central through-hole or with a concave part at the center of at least one side.</p> |
