| 摘要 |
PROBLEM TO BE SOLVED: To provide means for highly dispersing both carbon black and iron oxide.SOLUTION: A coating composition for a magnetic recording medium contains carbon black; an iron oxide; an organic solvent selected from a group consisting of methyl ethyl ketone, cyclohexanone, and isophorone; an organic tertiary amine selected from a group consisting of aliphatic tertiary monoamine and alicyclic tertiary amine; and an organic acid. |
