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    • 1. 发明专利
    • Thermal color developing ink and invisible information-printed sheet using the same
    • 使用相同的颜色开发油墨和可信的信息印刷纸
    • JP2006290975A
    • 2006-10-26
    • JP2005111606
    • 2005-04-08
    • Mitsubishi Paper Mills LtdTokyo Printing Ink Mfg Co Ltd三菱製紙株式会社東京インキ株式会社
    • INO YOSHINORIWAKASUGI HISASHITAKASAKI FUJIOMIYAUCHI MASAHIROKIMURA ATSUKI
    • C09D11/10B41M3/14B42D15/10
    • PROBLEM TO BE SOLVED: To provide a thermal color developing ink, and to facilitate the prevention of staining by color development, and the visualization of an invisible information at a printed part of the invisible information-printed part by using the ink.
      SOLUTION: The thermal color developing ink is obtained by mixing separately produced (a) an ink base containing an electron-donating dye precursor with (b) an electron-accepting compound ink base containing an electron-accepting compound. The invisible information-printed sheet is produced by printing with the ink. Preferably, the printed sheet is obtained by carrying out the printing of the information while properly regulating the amount of the applied ink, and has the invisible information having ≤2.0 color difference (ΔE
      *
      ab ) by JIS-Z8730 between the surface of the supporter and the part printed by the thermal color developing ink.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供热色显影油墨,并且通过使用油墨来有助于防止通过显色的染色,以及在不可见的信息打印部分的印刷部分处的可视信息的可视化。 解决方案:通过将单独制备的(a)含有给电子染料前体的油墨基料与(b)含有电子接受性化合物的电子接受性化合物油墨基料混合,得到热显色油墨。 无形信息印刷纸是通过用油墨印刷生产的。 优选地,通过在适当地调节所施加的油墨量的同时执行信息的打印而获得打印纸,并且具有≤2.0色差的不可见信息(ΔE * / SB>)在支撑体的表面和由热显色油墨印刷的部分之间。 版权所有(C)2007,JPO&INPIT
    • 3. 发明专利
    • Ink for scratch color development and invisible information printed sheet
    • 用于切割颜色开发和不可见信息印刷的墨水
    • JP2008024838A
    • 2008-02-07
    • JP2006199510
    • 2006-07-21
    • Mitsubishi Paper Mills LtdTokyo Printing Ink Mfg Co Ltd三菱製紙株式会社東京インキ株式会社
    • MIYAUCHI MASAHIROIKEDA HARUHIKOWAKASUGI HISASHITAKASAKI FUJIO
    • C09D11/02B41M3/00B42D15/10
    • PROBLEM TO BE SOLVED: To provide an ink for scratch color development enabling easy visualization of invisible information by rubbing with a nail in spite of the difficulty in developing the color by the friction of the invisible information printed part by ordinary handling, having high color density, free from generation of scratch waste in the visualization of the invisible information and giving an invisible information printed part which is extremely difficult to be visually confirmed without performing the scratch color development, and provide an invisible information printed sheet produced by using the ink. SOLUTION: The ink for scratch color development comprises an electron donative dye precursor, an electron accepting compound and a varnish and contains a solid particle component having an average particle diameter of 0.3-25 μm. The invisible information printed sheet is produced by printing invisible information on a substrate with the ink for scratch color development. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了提供用于划痕颜色显影的油墨,通过用钉子摩擦来容易地观察不可见的信息,尽管由于通过普通处理的不可见信息印刷部件的摩擦而难以显色,具有 高颜色密度,在无形信息的可视化中不产生划痕浪费,并且给出一种看不见的信息印刷部分,这在非执行划痕显色的情况下非常难以被视觉确认,并且提供使用 墨水。 解决方案:用于划痕显色的油墨包括给电子染料前体,电子接受性化合物和清漆,并且含有平均粒径为0.3-25μm的固体颗粒组分。 无形信息印刷纸是通过在具有用于划痕显色的油墨的基板上印刷不可见信息而产生的。 版权所有(C)2008,JPO&INPIT
    • 4. 发明专利
    • Scratch color forming ink and invisible information printed sheet given by using the same
    • 使用相同颜色的切割颜色和可视信息印刷表格
    • JP2006199887A
    • 2006-08-03
    • JP2005015407
    • 2005-01-24
    • Mitsubishi Paper Mills LtdTokyo Printing Ink Mfg Co Ltd三菱製紙株式会社東京インキ株式会社
    • MIYAUCHI MASAHIROKIMURA ATSUKIINO YOSHINORITAKASAKI FUJIO
    • C09D11/00B41M5/132B41M5/155B42D15/10
    • PROBLEM TO BE SOLVED: To provide a scratch color forming ink capable of preventing color forming stains in an invisible information printed part, capable of easily visualizing invisible information, and capable of preventing formation of shavings when the invisible information is visualized, and to provide an invisible information printed sheet. SOLUTION: This scratch color forming ink is obtained by separately preparing an ink base (a) containing a precursor of an electron-donating dye and a scratch color forming developer ink base (b) containing an electron-accepting compound, and then together mixing the ink bases (a) and (b). The invisible information printed sheet is formed by using the ink and conducting printing. It is preferable that the information is printed on a substrate by the ink, so as to have a film thickness of the ink of ≤1.4 μm, and the invisible information is formed so that a difference of a specular gloss at 60° between a surface of the substrate and the printed part formed by the scratch color forming ink is not more than 20%, when measured according to JIS-K5701-1, and a color difference (ΔE * ab ) between the surface of the substrate and the printed part formed by the scratch color forming ink is not more than 2.0, when measured according to JIS-Z8730. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种能够防止不可见信息印刷部分中的着色污渍的刮痕成色油墨,其能够容易地可视化不可见信息,并且能够在不可见信息可视化时防止形成刨花;以及 提供无形信息印刷品。 解决方案:通过分别制备含有供电子染料的前体和含有电子接受性化合物的刮痕形成显色剂油墨基底(b)的油墨基底(a),得到该刮痕成色油墨,然后 一起混合墨水基料(a)和(b)。 无形信息印刷纸通过使用油墨并进行印刷而形成。 优选的是,通过油墨将信息印刷在基板上,使得油墨的膜厚度≤1.4μm,并且形成不可见信息,使得在60°的表面之间的镜面光泽的差异 的基底和由刮痕成色油墨形成的印刷部分的色差不超过20%,当根据JIS-K5701-1测量时,色差(ΔE * / SB>)在根据JIS-Z8730测量时,不大于2.0。 版权所有(C)2006,JPO&NCIPI