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    • 3. 发明授权
    • Water base ink set for ink jet recording
    • 用于喷墨记录的水基油墨
    • US06211265B1
    • 2001-04-03
    • US09212960
    • 1998-12-16
    • Hitoshi OhtaKazuhiko Kitamura
    • Hitoshi OhtaKazuhiko Kitamura
    • C09D1110
    • C09D11/40
    • An ink set is disclosed which comprises at least a black ink, a yellow ink, a magenta ink, and a cyan ink, each of the inks comprising at least a colorant, a water-soluble cationic polymer having a primary amino group in its molecule, and water, the colorant consisting of a coloring material(s) classified into categories of anthraquinone, indigoid, phthalocyanine, carbonium, quinoneimine, methine, quinoline, nitro, nitroso, benzoqulnone, naphthoquinone, naphthalimide, and perinone coloring materials. This ink set can realize a full-color image having both good waterfastness and lightfastness. The coloring materials falling within the above categories, even when added, to the ink, in combination with a highly reactive polyallylamine having a primary amino group, can realize an image having good lightfastness while maintaining high waterfastness derived from the addition of the polyallylamine. Further, these colorants are not decomposed upon being attacked by the primary amino group of the polyallylamine and has excellent storage stability.
    • 公开了一种油墨组,其至少包括黑色油墨,黄色油墨,品红色油墨和青色油墨,每种油墨至少包含着色剂,分子中具有伯氨基的水溶性阳离子聚合物 和水,由分类为蒽醌,靛类,酞菁,碳鎓,醌亚胺,次甲基,喹啉,硝基,亚硝基,苯并呋喃酮,萘醌,萘二甲酰亚胺和紫罗兰酮着色材料的着色材料组成的着色剂。 该油墨组可以实现具有良好耐水性和耐光性的全色图像。 属于上述类别的着色材料,即使添加到油墨中,与具有伯氨基的高反应性聚烯丙胺组合也能实现具有良好耐光性的图像,同时保持由加入聚烯丙胺导致的高耐水性。 此外,这些着色剂在被聚烯丙胺的伯氨基攻击时不会分解,并且具有优异的储存稳定性。
    • 8. 发明授权
    • Ink jet printing method
    • 喷墨打印方式
    • US09487667B2
    • 2016-11-08
    • US12575737
    • 2009-10-08
    • Hitoshi Ohta
    • Hitoshi Ohta
    • B05D5/06C09D11/40C09D11/322
    • C09D11/40C09D11/322
    • An ink jet printing method includes forming an image by discharging droplets of an aqueous ink composition onto a non-ink-absorbing or low ink-absorbing recording medium by ink jet printing, and drying the aqueous ink composition on the recording medium during and/or after forming the image, wherein the aqueous ink composition contains a water-insoluble colorant, resin particles, a silicone surfactant, an acetylene glycol surfactant, a pyrrolidone derivative, a 1,2-alkyldiol, a polyhydric alcohol, and water, and the resin particles contain resin fixative particles and wax particles.
    • 喷墨打印方法包括通过喷墨打印将水性油墨组合物的液滴喷射到非吸油墨或低吸墨记录介质上,并且在和/或 在形成图像之后,其中水性油墨组合物含有水不溶性着色剂,树脂颗粒,硅氧烷表面活性剂,乙炔二醇表面活性剂,吡咯烷酮衍生物,1,2-烷基二醇,多元醇和水,以及树脂 颗粒含有树脂固定颗粒和蜡颗粒。