| 摘要 |
<p>A watercolor ink composition for writing utensils comprising at least an alkali-soluble acrylic copolymer, a lower alcohol solvent, water, and a coloring material wherein the alkali-soluble acrylic copolymer has a molecular weight of from 7000 to 15,000, an acid value of from 30 to 100, and a glass transition point of from -10 to 60 DEG C. The watercolor ink composition for writing utensils that has colored or colorless transparency in appearance and has both transparent feeling and solid feeling in handwriting can be provided.</p> |
