1035648-72-6Relevant academic research and scientific papers
PORPHYRAZINE DYE, INK COMPOSITION CONTAINING SAME, AND COLORED BODY
-
Page/Page column 39, (2012/03/11)
The present invention relates to a porphyrazine coloring matter or a salt thereof represented by the following formula (1) [wherein, the rings of A to D are each independently a benzene ring or a 6-membered nitrogen-containing heteroaromatic ring, E is alkylene, X is a sulfo-substituted anilino group or the like which may further have a substituent, R1 is a C1-C6 alkyl group, b is 0.00 or more and less than 3.90 as an average value, c is 0.10 or more and less than 4.00 as an average value, and the sum of b and c is 1.00 or more and less than 4.00 as an average value]. The ink composition containing the porphyrazine coloring matter of the present invention has a good hue as a cyan ink, is excellent in various fastness properties, particularly in ozone fastness, allows a high print density, has properties hardly causing bronze phenomenon, and can provide a porphyrazine coloring matter suitable for inkjet recording and an ink composition containing this.
