Ink composition, inkjet recording ink and inkjet recording...

Details Ink composition, inkjet recording ink and inkjet recording... Ink composition, inkjet recording ink and inkjet recording...

C - Chemistry, Metallurgy

09

D

C09D 11/00 (2006.01)

Patent

CA 2664008

An ink composition includes a colorant represented by the following formula (I); water; a guanidine-based compound; and a colorless water-soluble planar compound having more than ten delocalized p-electrons within one molecule: Formula (I) wherein Pc represents a (k+l+m+n)-valent phthalocyanine nucleus represented by the following formula (II); Formula (II) wherein the symbols in the formulae (I) and (II) are defined in the specification.

La présente invention concerne une composition d'encre qui comprend un colorant représenté par la formule suivante (I) ; de l'eau ; un composé à base de guanidine ; et un composé planaire incolore soluble dans l'eau ayant plus de dix électrons p délocalisés à l'intérieur d'une molécule : Formule (I) Pc représentant un noyau phtalocyanine de valence (k + l + m + n) représenté par la formule suivante (II) ; Formule (II) les symboles des formules (I) et (II) étant définis dans les spécifications.

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