Coloring composition for image formation and method for improving ozone resistance of color image
    4.
    发明授权
    Coloring composition for image formation and method for improving ozone resistance of color image 有权
    用于图像形成的着色组合和改善彩色图像的耐臭氧性的方法

    公开(公告)号:US07108743B2

    公开(公告)日:2006-09-19

    申请号:US10471650

    申请日:2002-04-08

    IPC分类号: C09D11/00 C09D11/02

    摘要: A coloring composition for image formation comprising an azo dye having an aromatic nitrogen-containing 6-membered heterocyclic ring as a coupling component, a coloring composition which comprises an azo compound having an oxidation potential nobler than 1.0 V vs. SCE and comprising at least two substituents having a pKa value of −10 to 5 in water, and a method for improving ozone resistance of a color image, the method comprising using a compound having an oxidation potential nobler than 1.0 V vs. SCE and showing a maximum absorption at a wavelength between 500 nm and 580 nm with a half-value width of 150 nm or narrower.

    摘要翻译: 一种用于图像形成的着色组合物,其包含具有芳族含氮6元杂环作为偶联组分的偶氮染料,着色组合物包含与SCE相比具有超过1.0V的氧化电位的偶氮化合物,并且包含至少两个 在水中pKa值为-10〜5的取代基,以及提高彩色图像的耐臭氧性的方法,所述方法包括使用具有比1.0V的氧化电位高于SCE并在波长处显示出最大吸收的化合物 在500nm和580nm之间,半值宽度为150nm或更窄。