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    • 1. 发明授权
    • Aqueous ink composition
    • 水性油墨组合物
    • US06730155B2
    • 2004-05-04
    • US09894778
    • 2001-06-29
    • Akihiko GotohTomoko MaedaAkiko BannaiKiyofumi NagaiHitoshi AritaTetsuya KanekoNobutaka OsadaToshiroh TokunoMasayuki KoyanoKakuji Murakami
    • Akihiko GotohTomoko MaedaAkiko BannaiKiyofumi NagaiHitoshi AritaTetsuya KanekoNobutaka OsadaToshiroh TokunoMasayuki KoyanoKakuji Murakami
    • C09D1102
    • C09D11/40
    • An aqueous ink composition contains at least one pigment selected from the group consisting of a condensed azo pigment, a condensed polycyclic pigment, a phthalocyanine pigment, and a nickel complex azo pigment, at least an anionic surfactant with ethylene oxide group or a nonionic surfactant with ethylene oxide group as a dispersant, a wetting agent, a penetrating agent, and water, with the ink composition having a surface tension of 20 mN/m or more and less than 35 mN/m. A yellow ink containing at least one pigment selected from the group consisting of C.I. Pigment Yellow 128, C.I. Pigment Yellow 138, C.I. Pigment Yellow 151, C.I. Pigment Yellow 97, and C.I. Pigment Yellow 150, a magenta ink containing at least one pigment of C.I. Pigment Red 122 or C.I. Pigment Violet 19, a cyan ink containing at least one pigment of C.I. Pigment Blue 15:3 or C.I. Pigment Blue 15:4, each color ink further containing a specific anionic surfactant and a water-soluble organic solvent, and a black ink containing C.I. Pigment Black 7 are used together as a set of color ink compositions for ink-jet recording.
    • 水性油墨组合物含有至少一种选自缩合偶氮颜料,缩合多环颜料,酞菁颜料和镍络合物偶氮颜料的颜料,至少具有环氧乙烷基的阴离子表面活性剂或非离子表面活性剂, 作为分散剂的环氧乙烷基,润湿剂,渗透剂和水,油墨组合物的表面张力为20mN / m以上且小于35mN / m。 一种黄色油墨,含有选自C.I.中的至少一种颜料。 颜料黄128,C.I. 颜料黄138,C.I。 颜料黄151,C.I。 颜料黄97和C.I. 颜料黄150,含有至少一种C.I.颜料的洋红色油墨。 颜料红122或C.I. 颜料紫19,含有至少一种C.I.颜料的青色油墨。 颜料蓝15:3或C.I. 颜料蓝15:4,每种彩色油墨还含有特定的阴离子表面活性剂和水溶性有机溶剂,以及含有C.I.的黑色油墨。 颜料黑7一起用作一组用于喷墨记录的彩色油墨组合物。