Porphyrazine Coloring Matter, Ink, Ink Set and Colored Product
AssigneeNippon Kayaku Kabushiki Kaisha
InventorsTakafumi Fujii, Takashi Yoneda, Yoshiaki Kawaida, Hiroyuki Tsukui
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AssigneeNippon Kayaku Kabushiki Kaisha
InventorsTakafumi Fujii, Takashi Yoneda, Yoshiaki Kawaida, Hiroyuki Tsukui
Estimating the term…
The present invention relates to a porphyrazine coloring matter represented by the following formula (1): (wherein, A, B, C and D independently represents a 6-membered ring having aromaticity, at least one or more is a benzene ring, at least one or more contains a nitrogen-containing heteroaromatic ring; in addition, E represents alkylene and each of X and Y independently represents a substituted or unsubstituted anilino group or a substituted or unsubstituted naphthylamino group; and b is 0 to 2.9, c is 0.1 to 3 and the sum of b and c is 1 to 3) which has a good hue as a cyan ink, is excellent in light fastness, ozone fastness and moisture fastness, and does not cause bronze phenomenon, as well as is thus suitable for inkjet recording.
A porphyrazine coloring matter represented by the following formula (1) or a salt thereof:
Dependencies are inferred from the claim text.