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    • 62. 发明公开
    • TRISAZO COMPOUND, INK COMPOSITION, RECORDING METHOD AND COLORED MATTER
    • 吉他VER FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
    • EP1975205A1
    • 2008-10-01
    • EP06843642.7
    • 2006-12-28
    • Nipponkayaku Kabushikikaisha
    • MATSUI, TakahikoDEJIMA, YoshiyukiYOSHIMOTO, TakashiMORITA, RyoutarouHIROTA, Koji
    • C09B31/28B41J2/01B41M5/00B41M5/50B41M5/52C07D471/04C09D11/00
    • C07D471/04C09B31/28C09D11/17C09D11/328
    • The present invention relates to a trisazo compound represented by the following formula (1) or a salt thereof,

      (wherein, the group A is a substituted phenyl group, the group B and the group C are substituted para-phenylene groups, R 1 represents a C1 to C4 alkyl group (which may be substituted by a carboxy group), a phenyl group (which may be substituted by a sulfo group), or a carboxy group,
      R 2 represents a cyano group, a carbamoyl group or a carboxy group, each of R 3 and R 4 independently represents a hydrogen atom, a methyl group, a chlorine atom or a sulfo group, respectively) and a water-based black ink composition containing said compound; said compound has high solubility in a medium where the main component is water, its aqueous solution having a high concentration and ink are stable when stored for a long period of time, black-recorded images with it can be provided where both light fastness and ozone gas fastness of the printed images are excellent.
    • 本发明涉及由下式(1)表示的三偶氮化合物或其盐(其中,A为取代苯基,B为基团,C为取代对亚苯基,R 1为 C 1〜C 4烷基(可以被羧基取代),苯基(可以被磺基取代)或羧基,R 2表示氰基,氨基甲酰基或羧基 分别为R 3和R 4各自独立地表示氢原子,甲基,氯原子或磺基)和含有所述化合物的水性黑色油墨组合物; 所述化合物在主要组分是水的介质中具有高溶解度,其水溶液具有高浓度并且在长时间储存​​时油墨稳定,可以提供具有耐光性和臭氧性的黑色记录图像 印刷图像的耐气牢度优异。
    • 65. 发明公开
    • INK COMPOSITION, INKJET RECORDING METHOD, AND COLORED MATERIAL
    • TINTENZUSAMMENSETZUNG,TINTENSTRAHLAUFZEICHNUNGSVERFAHREN UNDGEFÄRBTESMATERIAL
    • EP2589630A1
    • 2013-05-08
    • EP11800742.6
    • 2011-06-24
    • Nippon Kayaku Kabushiki Kaisha
    • KAWAGUCHI, AkiraMATSUI, TakahikoYOSHIMOTO, TakashiOOSHIMA, Kenji
    • C09D11/00B41J2/01B41M5/00C09B31/28C09B35/58C09B43/16
    • C09D11/328B41M5/5218C09B31/28C09B31/30C09B35/56C09B43/16C09B67/0055
    • Disclosed is an aqueous black ink composition which enables the formation of an excellent black recorded image having extremely high ozone gas resistance and a neutral and achromatic color. The ink composition comprises: a dye (I) which comprises at least one compound represented by specific formula (1) or at least one tautomer or salt of the compound; a dye (II) which comprises at least one compound represented by specific formula (3) or at least one tautomer or salt of the compound; and a dye (III) which comprises at least one compound represented by specific formula (4) or at least one tautomer or salt of the compound. In formula (1), R 1 and R 2 independently represent a hydrogen atom, a sulfo group or the like; R 3 and R 4 independently represent a halogen atom, a sulfo group or the like; and n represents 0 or 1. In formula (3), m represents 0 or 1; R 101 to R 103 independently represent a hydrogen atom, a sulfo group or a C1-C4 alkoxy group; and a group D represents a phenyl or naphthyl group substituted by 1 to 3 slfo group. In formula (4), R 201 to R2 04 independently represent a hydrogen atom, or a C1-C4 alkoxy group substituted by a slufo group.
    • 公开了一种黑色油墨组合物,其能够形成具有极高的耐臭氧气体阻力和中性和无色性的优异的黑色记录图像。 油墨组合物包含:包含至少一种由特定式(1)表示的化合物或化合物的至少一种互变异构体或盐的染料(I) 包含至少一种由特定式(3)表示的化合物或该化合物的至少一种互变异构体或盐的染料(II) 和包含至少一种由特定式(4)表示的化合物或该化合物的至少一种互变异构体或盐的染料(III)。 在式(1)中,R 1和R 2独立地表示氢原子,磺基等; R 3和R 4独立地表示卤素原子,磺基等; 在式(3)中,m表示0或1; R 101〜R 103分别独立地表示氢原子,磺基或C 1〜C 4烷氧基。 并且基团D表示被1至3个硅基团取代的苯基或萘基。 式(4)中,R 201〜R2 04独立地表示氢原子或被slufo基取代的C1-C4烷氧基。