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    • 5. 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。
    • 10. 发明授权
    • Ink jet printing of concealed images on carbonless paper
    • 在无碳纸上喷墨打印隐藏图像
    • US5541633A
    • 1996-07-30
    • US78720
    • 1993-06-16
    • Francoise M. WinnikMarcel P. BretonDavid J. Sanders
    • Francoise M. WinnikMarcel P. BretonDavid J. Sanders
    • C09D11/00G01D15/16C09D11/02
    • C09D11/328
    • Disclosed is a process which comprises (1) 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; (2) incorporating into the printing apparatus an ink jet ink comprising (a) water; (b) a member selected from the group consisting of glycols, sulfolane, and mixtures thereof; (c) optionally, a member selected from the group consisting of ethanol, isopropanol, n-butanol, benzyl alcohol, hexanetriol, 1,6-hexanediol, 1,5-pentanediol, 1,4-butanediol, 1,3-butanediol, and mixtures thereof; (d) diethylene glycol monobutyl ether; (e) optionally, dipropylene glycol monomethyl ether acetate; and (f) a marking material which is substantially colorless and detectable when exposed to radiation outside of the visible wavelength range; and (3) causing droplets of the ink to be ejected in an imagewise pattern onto at least one surface of at least one of the sheets of the carbonless paper set.
    • 公开了一种方法,其包括(1)结合到能够产生喷墨图像的打印设备中,该无纸纸组包括位于第一片和第二片之间的第一片,第二片和任选的中间片,其中第一片 包括在一个表面上涂覆有成色剂的纸张,并且所述第二纸张包括在一个表面上涂覆有彩色显影剂的纸张,并且其中当所述无碳纸组装时,涂覆有所述成色剂的所述第一片材的表面接触 其中涂有彩色显影剂的片材的表面和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; (2)将包含(a)水的喷墨油墨结合到打印设备中; (b)选自二醇,环丁砜及其混合物的成员; (c)任选地,选自乙醇,异丙醇,正丁醇,苄醇,己三醇,1,6-己二醇,1,5-戊二醇,1,4-丁二醇,1,3-丁二醇, 及其混合物; (d)二甘醇单丁醚; (e)任选的二丙二醇单甲醚乙酸酯; 和(f)当暴露于可见波长范围外的辐射时,基本上无色和可检测的标记材料; 和(3)使油墨的液滴以成像图案喷射到无碳纸组的至少一个片材的至少一个表面上。