C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
C09B 5/14 (2006.01) B41J 2/01 (2006.01) B41M 5/00 (2006.01) C09D 11/00 (2006.01)
Patent
CA 2445769
An object of the present invention is to provide a water-based magenta ink composition which has a hue and clarity suitable for ink-jet recording and gives prints excellent in fastnesses such as an ozone resistance and a light resistance. The ink composition comprises as its coloring matter component a water-based magenta composition containing anthrapyridone compound represented by the formula (1): (see formula 1) wherein R represents hydrogen atom or methyl group; X represents phenyl group, phenoxy group or halogen atom; and n is an integer of 1 to 4, or a salt thereof.
La présente invention concerne une composition d'encre magenta à base d'eau qui possède une teinte et une brillance appropriées pour l'enregistrement à jet d'encre et permettent d'obtenir d'excellentes propriétés de solidité d'impression telles que la résistance à l'ozone et la résistance à la lumière. La composition d'encre contient en tant que composé de colorant, une composition magenta hydrosoluble contenant un composé d'anthrapyridone représenté par la formule (1) (où R représente hydrogène ou méthyle ; x représente phényle, phénoxy, ou halogéno ; et n est un entier de 1 à 4) ou un sel.
Fujii Katsunori
Matsumoto Hiroyuki
Shirasaki Yasuo
Nippon Kayaku Kabushiki Kaisha
Ridout & Maybee Llp
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