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    • 2. 发明授权
    • Ink jet printing process with improved image fixation
    • 喷墨印刷工艺具有改进的图像固定
    • US06270214B1
    • 2001-08-07
    • US09069111
    • 1998-04-29
    • Thomas W. SmithSamuel KaplanKathleen M. McGraneDavid J. Luca
    • Thomas W. SmithSamuel KaplanKathleen M. McGraneDavid J. Luca
    • B41J201
    • B41M5/529B41M5/0017B41M5/508B41M7/0018
    • Disclosed is a process which comprises (a) applying to a substrate a fixing fluid which comprises a material selected from the group consisting of (1) block or graft copolymers of dialkylsiloxanes and polar, hydrophilic monomers capable of interacting with an ink colorant to cause the colorant to become complexed, laked, or mordanted, (2) organopolysiloxane copolymers having functional side groups capable of interacting with an ink colorant to cause the colorant to become complexed, laked, or mordanted, (3) perfluorinated polyalkoxy polymers, (4) perfluoroalkyl surfactants having thereon at least one group capable of interacting with an ink colorant to cause the colorant to become complexed, laked, or mordanted, and (5) mixtures thereof; (b) incorporating into an ink jet printing apparatus an ink composition which comprises water and a colorant which becomes complexed, laked, or mordanted upon contacting the fixing fluid; and (c) causing droplets of the ink composition to be ejected in an imagewise pattern onto the substrate.
    • 公开了一种方法,其包括(a)向基材施加固定流体,所述固定流体包括选自(1)二烷基硅氧烷的嵌段或接枝共聚物和能够与油墨着色剂相互作用的极性亲水单体的材料, (3)全氟化聚烷氧基聚合物,(4)全氟烷基,(3)全氟烷基氧基聚合物,(4)全氟烷基 表面活性剂上具有至少一个能够与油墨着色剂相互作用的基团,使得着色剂变得复合,沉淀或发生混合,和(5)它们的混合物; (b)在喷墨打印设备中引入包含水和着色剂的油墨组合物,所述着色剂在接触固定液体时变得复合,沾污或发生流动; 和(c)使油墨组合物的液滴以成像图案喷射到基材上。