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    • 85. 发明授权
    • Ink composition, ink composition for inkjet recording, ink set, ink cartridge, inkjet recording method, and recorded product
    • 油墨组合物,用于喷墨记录的油墨组合物,油墨组,墨盒,喷墨记录方法和记录产品
    • US08523991B2
    • 2013-09-03
    • US12999251
    • 2009-06-15
    • Shigeaki TanakaKeiichi TateishiTakashi Ozawa
    • Shigeaki TanakaKeiichi TateishiTakashi Ozawa
    • C09D11/02
    • B41M5/0023C09B33/12C09B35/03C09D11/322C09D11/38
    • An ink composition is provided which does not undergo decomposition or fading of colorants even when stored under high-temperature environment. An ink composition which contains a compound represented by the following general formula (1) and a humectant, wherein the content of the compound represented by the general formula (1) is from 0.1% by mass to less than 7.0% by mass, the content of the humectant having 3 or more hydroxyl groups is 8.0% by mass or less, and the molar ratio of the humectant having 3 or more hydroxyl groups/the compound represented by the general formula (1) being less than 15.0; wherein Ar1 and Ar2 each independently represents an aromatic hydrocarbon ring group, a non-aromatic hydrocarbon ring group, an aromatic heterocyclic group, or a non-aromatic heterocyclic group, A1 and A2 each independently represents a hydrogen atom or a substituent, Y represents —OM or —NR1R2, M represents a hydrogen atom or a metal ion, and R1 and R2 each independently represents a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aralkyl group, an aryl group, or a heterocyclic group.
    • 提供即使在高温环境下储存时也不会发生着色剂的分解或褪色的油墨组合物。 含有下述通式(1)表示的化合物和湿润剂的油墨组合物,其中,所述通式(1)表示的化合物的含量为0.1质量%以上且小于7.0质量% 具有3个以上羟基的保湿剂的摩尔比为8.0质量%以下,具有3个以上羟基的保湿剂/通式(1)表示的化合物的摩尔比小于15.0; 其中Ar1和Ar2各自独立地表示芳香族烃环基,非芳香族烃环基,芳香族杂环基或非芳香族杂环基,A1和A2各自独立地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各自独立地表示氢原子,烷基,烯基,炔基,芳烷基,芳基或杂环基 。