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    • 8. 发明授权
    • Ink jet printing process for desensitizing carbonless paper
    • 用于脱碳无碳纸的喷墨印刷工艺
    • US5880062A
    • 1999-03-09
    • US78533
    • 1993-06-16
    • David J. SandersFrancoise M. WinnikMarcel P. Breton
    • David J. SandersFrancoise M. WinnikMarcel P. Breton
    • B41J2/01B41M5/128B41M5/52
    • B41M5/52B41M5/128
    • Disclosed is a printing process which comprises (a) incorporating into a printing apparatus capable of generating ink jet images a carbonless paper set comprising a first sheet, a second sheet, and optional intermediate sheets situated between the first sheet and second sheet, wherein the first sheet comprises paper coated on one surface with a color former and the second sheet comprises paper coated on one surface with a color developer, and wherein, when the carbonless paper set is assembled, the surface of the first sheet coated with the color former is in contact with the surface of a sheet coated with the color developer and the surface of the second sheet coated with the color developer is in contact with the surface of a sheet coated with the color former; (b) incorporating into the printing apparatus an ink jet ink comprising water, an organic component, and a desensitizing agent capable of interacting either (i) with the color former so that the color former's subsequent ability to interact with the color developer is reduced, or (ii) with the color developer so that the color developer's subsequent ability to interact with the color former is reduced; and (c) causing droplets of the ink containing the desensitizing agent to be ejected in an imagewise pattern onto either (i) at least one surface of one sheet coated with the color former, or (ii) at least one surface of one sheet coated with the color developer.
    • 公开了一种印刷方法,其包括(a)结合到能够产生喷墨图像的印刷设备中,所述印刷设备包括第一片材,第二片材和位于所述第一片材和第二片材之间的任选的中间片材的无碳纸组,其中所述第一 片材包括在一个表面上涂覆有成色剂的纸张,并且第二纸张包括在一个表面上涂覆有彩色显影剂的纸张,并且其中当组装无碳纸纸张时,涂覆有成色剂的第一片材​​的表面在 与涂有彩色显影剂的片材的表面接触,并且涂覆有彩色显影剂的第二片材的表面与涂覆有成色剂的片材的表面接触; (b)将包含水,有机组分和脱敏剂的喷墨油墨(i)与成色剂相互作用,使成色剂随后与彩色显影剂相互作用的能力降低, 或(ii)与彩色显影剂,使得彩色显影剂随后与成色剂相互作用的能力降低; (c)使含有脱敏剂的油墨的液滴以成像图案喷射到(i)涂覆有成色剂的一片的至少一个表面上,或(ii)一片涂布的至少一个表面 与彩色显影剂。