Fitzpatrick, Cella, Harper & Scinto
Fluorescent ink, and ink cartridge, recording unit, ink-jet recording method, and ink-jet recording apparatus employing the fluorescent ink
A novel fluorescent ink is provided which contains at least a coloring material and an aqueous liquid medium for dissolving the coloring material, wherein the coloring material comprises C.I. Acid Red 52 and at least one direct dye, the content of the C.I. Acid Red 52 ranging from 0.1 to 0.4% by weight based on the total amount of the ink, and the content of the direct dye ranging from 0.15 to 0.4% by weight based on the total amount of the ink, and the weight ratio of the direct dye to the C.I. Acid Red 52 is not higher than 1.6. This fluorescent ink is capable of forming prints with fluorescence of high intensity and with high water resistance.
Canon Kabushiki Kaisha
C C
C09D C09D
inventional inventional
Akira Shinichi Shoji
Nagashima Hakamada Koike