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    • 8. 发明授权
    • Waterfest, environmentally friendly inks adapted for point-of-sale ink-jet applications
    • Waterfest,适用于销售点喷墨应用的环保油墨
    • US06648951B2
    • 2003-11-18
    • US09946460
    • 2001-09-04
    • Xiaohe ChenDavid TyvollGeorge M. Sarkisian
    • Xiaohe ChenDavid TyvollGeorge M. Sarkisian
    • C09D1102
    • C09D11/32C09D11/30
    • A waterfast, environmentally friendly ink-jet ink, is disclosed comprising from 1% to 90% by weight of a first humectant selected from the group consisting of glycerol, propanediol, and combinations thereof; from 1% to 25% by weight of a second humectant selected from the group consisting of ethylene glycol, diethylene glycol, propylene glycol, and combinations thereof; from 1% to 20% by weight of a drying agent selected from the group consisting of 1,2-hexanediol, 1,2-pentanediol, and combinations thereof; from 0% to 20% by weight of 2-pyrrolidone; from 0.05% to 10.0% by weight of a waterfastness control dye selected from the group consisting of azo-containing dyes and phthalocyanine-containing dyes; and at least one additional dye present at from about 1.0% to 10.0% by weight. If the waterfastness control dye is an azo-containing dye, such dyes can include Direct Red 227, Direct Red 254, Direct Yellow 86, and Acid Orange 7. Alternatively, if the waterfastness control dye is a phthalocyanine-containing dye, the nickel, copper or aluminum phthalocyanines can be used.
    • 公开了一种防水环保喷墨油墨,其包含1重量%至90重量%的选自甘油,丙二醇及其组合的第一湿润剂; 1重量%至25重量%的选自乙二醇,二甘醇,丙二醇及其组合的第二湿润剂; 1重量%至20重量%的选自1,2-己二醇,1,2-戊二醇及其组合的干燥剂; 0〜20重量%的2-吡咯烷酮; 0.05重量%至10.0重量%的选自由偶氮染料和含酞菁染料组成的组的耐水性控制染料; 和至少一种以重量计约1.0%至10.0%存在的另外的染料。 如果耐水性控制染料是含偶氮染料,则这种染料可以包括直接红227,直接红254,直接黄86和酸橙7。或者,如果耐水性控制染料是含酞菁染料, 可以使用铜或铝酞菁。