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    • 6. 发明申请
    • AZO PIGMENT, PIGMENT DISPERSION CONTAINING THE AZO PIGMENT, AND COLORING COMPOSITION
    • AZO颜料,含有AZO颜料的颜料分散体和着色组合物
    • US20110021764A1
    • 2011-01-27
    • US12921331
    • 2009-03-05
    • Keiichi TateishiYoshiaki NagataNobuo Seto
    • Keiichi TateishiYoshiaki NagataNobuo Seto
    • C09B46/00
    • C09B29/337C09B29/0037C09B29/327C09B29/3634C09B29/366C09B29/3669C09B29/3691C09B29/3695C09D11/322
    • Provided is an azo pigment having excellent coloring characteristics such as high tinctorial strength and hue and having excellent durability such as high resistance to light and ozone, a pigment dispersion containing the azo pigment, and a coloring composition.An azo pigment represented by the following general formula (1), a tautomer of the azo pigment, and a salt or a hydrate thereof: (In the general formula (1), G0 and G1 each independently represents a non-metal atomic group which can form a 5- or 6-membered heterocyclic ring wherein each heterocyclic ring may be unsubstituted or may have a substituent; each heterocyclic ring may be a monocyclic ring or a condensed ring; X represents a hetero atom; n represents an integer of 1 to 4; when n=2, the compound of formula (1) represents a dimer formed via A or a heterocyclic group represented by G0 or G1; when n=3, the compound of formula (1) represents a trimer formed via A and/or a heterocyclic group represented by G0 or G1; when n=4, the compound of formula (1) represents a tetramer formed via A and/or a heterocyclic group represented by G0 or G1; A represents any one selected from the group of the specific substituents.)
    • 本发明提供一种具有优异的着色特性如着色强度和色调优异并具有优异的耐光性和耐臭氧性的耐久性,含有偶氮颜料的颜料分散体和着色组合物的偶氮颜料。 由以下通式(1)表示的偶氮颜料,偶氮颜料的互变异构体及其盐或水合物:(通式(1)中,G0和G1各自独立地表示非金属原子团, 可以形成5-或6-元杂环,其中每个杂环可以是未取代的或可以具有取代基;每个杂环可以是单环或稠环; X表示杂原子; n表示1〜 4;当n = 2时,式(1)的化合物表示通过A形成的二聚体或由G0或G1表示的杂环基;当n = 3时,式(1)的化合物表示通过A形成的三聚体和/ 或由G0或G1表示的杂环基;当n = 4时,式(1)化合物表示通过A形成的四聚体和/或由G0或G1表示的杂环基; A表示选自 具体取代基)