| abstract |
(57) [Summary] The present invention relates to a letterpress ink, an offset ink, Gravure ink, screen ink, flexo ink, It is a coloring pigment for various printing inks such as water-based inks and inks for writing implements such as water-based ballpoint pens and oil-based ballpoint pens, and provides a coloring pigment for printing inks having high coloring power, fine particles, and excellent dispersibility and light resistance. . SOLUTION: The particle surface of the white inorganic particle powder is coated with a sizing agent and an organic pigment or carbon black adheres to the coating. A color pigment for printing ink comprising a composite particle powder of 0 μm and a printing ink containing the color pigment for printing ink. |