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    C.I. PIGMENT YELLOW 74 (INSOLUBLE AZO PIGMENT), AND COLORING COMPOSITION USING SAME
    1.
    发明公开
    C.I. PIGMENT YELLOW 74 (INSOLUBLE AZO PIGMENT), AND COLORING COMPOSITION USING SAME 有权
    C.I. PIGMENT GELB 74（UNLÖSLICHESAZOPIGMENT）UNDFÄRBUNGSZUSAMMENSETZUNGDAMIT

    公开(公告)号：EP2799499A1

    公开(公告)日：2014-11-05

    申请号：EP12863374.0

    申请日：2012-12-19

    申请人： Dainichiseika Color & Chemicals Mfg. Co., Ltd.

    发明人： HOSHINO Ryo ,  NAGASATO Shigeyuki ,  TAKAYAMA Masahiro ,  INOUE Shigeru ,  MATSUZAKI Satoru

    IPC分类号： C09B29/33 ,  B41J2/01 ,  B41M5/00 ,  C09B67/04 ,  C09B67/20 ,  C09B67/48 ,  C09D11/00

    CPC分类号： C09B51/00 ,  C09B67/0022 ,  C09B67/0029 ,  C09D7/41 ,  C09D11/322 ,  G03G9/091 ,  Y10T428/2982

    摘要： A C.I. Pigment Yellow 74 as an insoluble azo pigment is provided. This C.I. Pigment Yellow 74 is crystalline particles. The ratio (26.6°/11.7°) of a diffraction intensity of a peak at 26.6° to a diffraction intensity of a peak at 11.7° in terms of Bragg angle (2θ±0.2°) as measured by powder X-ray diffraction using CuK α-radiation is 0.85 to 1.12, and the average primary particle size is 20 to 130 nm. The use of this C.I. Pigment Yellow 74 as a colorant in a coloring composition enables to provide the coloring composition with excellent dispersibility and good particle size stability and storage stability compared with conventional pigments. The use of this coloring composition enables the formation (recording) of images having excellent clarity and transparency of such high levels that have not been achievable by conventional technologies.

    摘要翻译： 一个C.I. 提供了作为不溶性偶氮颜料的颜料黄74。 这个C.I. 颜料黄74是结晶颗粒。 26.6°处的峰的衍射强度与11.7°的峰的衍射强度的比（26.6°/ 11.7°），以布拉格角（2±±0.2°）表示，通过粉末X射线衍射测定 CuK±辐射为0.85〜1.12，平均一次粒径为20〜130nm。 使用这种C.I. 颜料黄74作为着色剂中的着色剂能够提供与常规颜料相比优异的分散性和良好的粒度稳定性和储存稳定性的着色组合物。 使用这种着色组合物能够形成（记录）具有这种高水平的透明度和透明度的图像，其通过常规技术不能实现。