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    • 5. 发明授权
    • Heat-sensitive recording sheet
    • 热敏记录纸
    • US4617582A
    • 1986-10-14
    • US622246
    • 1984-06-19
    • Masahiro MiyauchiMasahiro Higuchi
    • Masahiro MiyauchiMasahiro Higuchi
    • B41M5/337B41M5/18
    • B41M5/3375
    • In a heat-sensitive recording sheet having a heat-sensitive coating layer comprising a colorless to light-colored dye precursor as color former and a color developer which causes said dye precursor to develop a color by reacting with said dye precursor when heated, the color development sensitivity of said sheet, particularly at low temperatures, is enhanced by using benzyl p-hydroxybenzoate as said color developer and allowing said heat-sensitive coating layer to further comprise a terephthalic acid ester having a melting point of 60.degree. C. or higher and a fatty acid amide or derivative thereof having a melting point of 60.degree. C. or higher.
    • 在具有包含作为成色剂的无色至浅色染料前体的热敏性涂层的热敏记录片和通过加热时使所述染料前体与所述染料前体反应而形成颜色的显色剂,所述颜色 通过使用对羟基苯甲酸苄酯作为所述彩色显影剂,使所述热敏涂层进一步包含熔点为60℃以上的对苯二甲酸酯,并且 具有熔点为60℃以上的脂肪酸酰胺或其衍生物。
    • 8. 发明申请
    • SCRATCH COLOR-DEVELOPABLE INK AND INVISIBLE INFORMATION PRINTED SHEET
    • 切割颜色可见的墨水和不可见的信息印刷表
    • US20100021702A1
    • 2010-01-28
    • US12448163
    • 2007-12-19
    • Hisashi WakasugiFujio TakasakiKazuhiro HandaMasahiro MiyauchiHaruhiko Ikeda
    • Hisashi WakasugiFujio TakasakiKazuhiro HandaMasahiro MiyauchiHaruhiko Ikeda
    • B32B3/10C09D11/02
    • B41M5/136B41M5/145C09D11/037C09D11/50Y10T428/24802
    • Disclosed are a scratch color-developable ink comprising an electron-donating colorless or light-color dye precursor, an electron-accepting color developer and a varnish, wherein a solid particle component contained therein has an average particle diameter of 0.3 to 25 μm, a scratch color-developable ink comprising an electron-donating colorless or light-color dye precursor, an electron-accepting color developer and a varnish, wherein an azaphthalide compound is contained as the electron-donating colorless or light-color dye precursor, and an invisible information printed sheet obtained by printing invisible information on a support with the above scratch color-developable ink.The above scratch color-developable ink makes invisible information visible easily by scratching with a finger nail although the color of an invisible information printed portion is hard to develop by frictional contact during usual handling, gives a high developed color intensity and is free from the occurrence of dust during the visualization of invisible information.
    • 公开了包含给电子的无色或浅色染料前体,电子接受显色剂和清漆的刮痕显色油墨,其中包含的固体颗粒组分的平均粒径为0.3-25微米, 包含给电子的无色或浅色染料前体,电子接受显色剂和清漆的刮刮显色油墨,其中包含氮化萘化合物作为给电子的无色或浅色染料前体,并且不可见 通过使用上述划痕彩色显影油墨在支撑体上印刷不可见信息而获得的信息印刷纸。 上述刮擦性显影墨水通过用手指指尖轻易地看不见信息,尽管在通常的操作过程中,不可见的信息印刷部分的颜色通过摩擦接触难以发展,给出高度显色的颜色强度并且没有发生 在看不见的信息的可视化中的灰尘。
    • 10. 发明授权
    • Heat-sensitive recording sheet
    • 热敏记录纸
    • US4614956A
    • 1986-09-30
    • US741905
    • 1985-06-06
    • Masahiro Miyauchi
    • Masahiro Miyauchi
    • B41M5/42B41M5/18
    • B41M5/423
    • In a heat-sensitive recording sheet comprising (1) a substrate, (2) a heat-sensitive color-developing layer provided on said substrate, composed essentially of a colorless or light-colored dye precursor and a color developer capable of allowing said dye precursor to develop a color by reacting with the dye precursor when heated and, as necessary, (3) an overcoat layer provided on said heat-sensitive color-developing layer, improvements in printability, storability, etc. can be obtained by allowing the heat-sensitive color-developing layer and/or the overcoat layer to contain a boric acid ester.
    • 在包括(1)基底的热敏记录片材中,(2)设置在所述基底上的基本上由无色或浅色染料前体组成的热敏显色层和能够使所述染料 通过加热时与染料前体反应形成颜色的前体,根据需要,(3)设置在所述热敏显色层上的外涂层,可以通过使热量可以获得改善印刷性,保存性等 敏感色显影层和/或外涂层含有硼酸酯。