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    • 10. 发明授权
    • Ink composition, inkjet recording ink composition, ink set, ink cartridge, inkjet recording method and recorded matter
    • 油墨组合物,喷墨记录油墨组合物,油墨组,墨盒,喷墨记录方法和记录物
    • US08523990B2
    • 2013-09-03
    • US12999233
    • 2009-06-15
    • Shigeaki TanakaKeiichi TateishiTakashi Ozawa
    • Shigeaki TanakaKeiichi TateishiTakashi Ozawa
    • C09D11/02
    • C09B44/105C09B7/00C09B43/16C09B56/08C09B56/20C09B67/0041C09B67/0055C09D11/328Y10T428/24802
    • An ink composition having a suitably-adjusted hue and causing no decomposition of dyes during storage is provided. The ink composition contains a compound (a) represented by the following formula (1), an ingredient (c) and moisture-retentive agents, characterized by being from 0.1 mass % to lower than 7.0 mass % in content of the compound represented by the formula (1), 10.0 mass % or lower in content of a moisture-retentive agent having 3 or more hydroxyl groups (b) and lower than 30.0 in molar ratio of the moisture-retentive agent having 3 or more hydroxyl groups to the compound represented by the formula (1): wherein each of Ar1 and Ar2 preferably represents an aromatic heterocyclic group, each of A1 and A2 represents a hydrogen atom or a substituent, Y represents —OM or —NR1R2, M represents a hydrogen atom or a metal ion and each of R1 and R2 represents a hydrogen atom, an alkyl group, an aryl group, a heterocyclic group or the like. The ingredient (c) is at least one compound selected from C.I. Direct Yellow 59, id. 86, id. 132 or the like.
    • 提供了具有适当调节的色调并且在储存期间不会分解染料的油墨组合物。 油墨组合物含有由下式(1)表示的化合物(a),成分(c)和保湿剂,其特征在于,由以下化合物表示的化合物的含量为0.1质量%以上且低于7.0质量% 式(1),具有3个以上羟基(b)且低于30.0的具有3个以上羟基的保湿剂的保湿剂相对于所表示的化合物的保湿剂的含量为10.0质量%以下 式(1)中,Ar 1和Ar 2优选表示芳香族杂环基,A 1和A 2分别表示氢原子或取代基,Y表示-OM或-NR 1 R 2,M表示氢原子或金属离子 R 1和R 2各自表示氢原子,烷基,芳基,杂环基等。 成分(c)是选自C.I.的至少一种化合物。 直接黄色59,id。 86,id。 132等。