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    • 6. 发明公开
    • Reversible thermosensitive recording medium, label, image recording apparatus and method.
    • 复活节äem ind lic lic ren ren ren ren ren ren ren ren ren ren ren ren ren ren ren ren ren ren ren ren
    • EP1491354A1
    • 2004-12-29
    • EP04014890.0
    • 2004-06-24
    • Ricoh Company Ltd.
    • Shimbo, HitoshiTatewaki, TadafumiYamamoto, ShinHayakawa, KunioKawahara, Shinya
    • B41M5/30B41M5/40G09F3/10
    • B41M5/42B41J2/4753B41M5/305B41M5/423B41M5/426B41M2205/04B41M2205/18B41M2205/40
    • The reversible thermosensitive recording medium according to the present invention comprises a support, a thermosensitive layer and a protective layer in order, the thermosensitive layer comprises an electron-donating coloring compound and an electron-accepting compound and reversibly changes the color depending on temperatures, and the protective layer comprises a reactive heterocyclic compound, and inorganic fine particles of which surface is at least partially treated into hydrophobic, alternatively the protective layer comprises inorganic fine particles of which number-average particle size is 100 nm or less and of which surface is at least partially coated with organic silane compounds.
    • 可逆热敏记录介质包括涂有顺序热敏层和保护层的载体。 热敏层根据温度改变颜色; 并且包含给电子着色化合物和电子接受性化合物。 保护层包括至少部分处理成表面疏水性的无机细颗粒,以及任选的反应性杂环化合物。 独立权利要求包括以下内容:(1)可逆热敏记录标签,其包括设置在与图像形成侧相反的可逆热敏记录介质的表面上的粘合剂层和粘性层之一; (2)可逆热敏记录部件,包括信息存储部分和可逆显示部分,其中可逆显示部分包含可逆热敏记录介质; (3)图像处理装置,包括图像形成单元和图像擦除单元中的至少一个,其中通过加热图像形成单元中的介质在可逆热敏记录介质上形成图像,并且从记录中擦除图像 介质,通过加热图像擦除单元中的记录介质; 和(4)涉及在可逆热敏记录介质上形成图像并从记录介质上擦除图像的图像处理方法。
    • 9. 发明公开
    • Reversible thermosensitive recording medium, imaging device and imaging method
    • ReversibleswärmeempfindlichesAufzeichnungsmaterial,Bilderzeugungsvorrichtung und Bilderzeugungsverfahren
    • EP1571005A1
    • 2005-09-07
    • EP05004589.7
    • 2005-03-02
    • Ricoh Company, Ltd.
    • Kawahara, ShinyaHayakawa, KunioShimbo, Hitoshi
    • B41M5/30B41M5/36B41M5/40
    • B41M5/363B41M5/305B41M5/3335B41M5/3372B41M5/3375B41M5/42
    • A reversible thermosensitive recording medium (1; 10) including a substrate (11; 103); and a reversible thermosensitive recording layer (13; 102) located on the substrate and reversibly achieving a relatively colored state and a relatively discolored state depending on the temperature to which the recording layer is heated or the cooling speed at which the recording layer is cooled after heating, wherein the reversible thermosensitive recording layer comprises a polyalkylene glycol compound having a number average molecular weight not less than 2,000, exclusive of polypropylene glycol having a number average molecular weight not greater than 5,000. A reversible thermosensitive recording device (90; 98), and an image processing method and apparatus (100) using the reversible thermosensitive recording medium are also be provided.
    • 一种包括衬底(11; 103)的可逆热敏记录介质(1; 10); 和位于基板上的可逆热敏记录层(13; 102),根据加热记录层的温度或记录层被冷却后的冷却速度可逆地实现相对着色的状态和相对变色的状态 加热,其中可逆热敏记录层包括数均分子量不小于2,000的聚亚烷基二醇化合物,不包括数均分子量不大于5,000的聚丙二醇。 还提供了可逆热敏记录装置(90; 98)以及使用可逆热敏记录介质的图像处理方法和装置(100)。
    • 10. 发明公开
    • Reversible thermosensitive recording medium, information storage material, reversible thermosensitive recording label, imaging method and imaging device
    • 可逆热敏记录材料,信息存储介质,可逆热敏记录标签,图像形成方法和图像形成装置
    • EP1543985A3
    • 2005-07-13
    • EP04030157.4
    • 2004-12-20
    • Ricoh Company, Ltd.
    • Hayakawa, KunioKawahara, ShinyaShimbo, Hitoshi
    • B41M5/30B41M5/40
    • B41M5/42B41M5/305B41M5/3333B41M5/3335B41M5/44
    • A reversible thermosensitive recording medium including a substrate, a reversible thermosensitive recording layer and an intermediate layer. The reversible thermosensitive recording layer is configured to reversibly record and erase an image therein and disposed overlying the substrate and includes a first binder resin and a reversible thermosensitive coloring composition. The reversible thermosensitive coloring composition includes an electron donating coloring compound and an electron accepting compound containing a phenol compound including a long chain aliphatic group having at least 10 carbon atoms and an active hydrogen containing group capable of forming a hydrogen bonding. The intermediate layer is disposed between the substrate and the reversible thermosensitive recording layer and includes a second binder resin and a content of hollow particles having a hollow ratio not less than 70 % and having a ratio (D100/D50) of a maximum particle diameter thereof (D100) to a 50 % cumulative particle diameter (D50) of from 2.0 to 3.0. The reversible thermosensitive recording layer achieves and maintains a colored state when heated to a temperature not lower than a melting point thereof and then cooled down, and the reversible thermosensitive recording layer achieves and maintains a discolorization state when heated to a temperature lower than the melting point and then cooled down, and wherein the reversible thermosensitive recording layer has an erasable energy range width of at least 0.1 mJ/dot when achieving the discolorization state with a thermal head.
    • 可逆热敏记录介质包括一个基底,一个可逆热敏记录层和在中间层。 可逆热敏记录层被配置成可逆地记录和擦除图像。其中和设置覆盖所述衬底和包含第一粘合剂树脂和一种可逆热敏着色组合物。 可逆热敏着色组合物包括给电子着色化合物和电子接受性化合物,含有包含具有至少10个碳原子,并含有活性氢能够形成氢键的基团的长链脂族基团的苯酚化合物。 该中间层的基底和可逆热敏记录层之间设置并且包括第二粘合剂树脂和具有中空率不小于70%,并且具有最大粒径之比(D100 / D50)它们的中空颗粒的含量 从2.0到3.0的(D100)与50%累积粒径(D50)。 可逆热敏记录层达到并保持着色状态。当加热到温度不低于其熔点,然后冷却下,将可逆热敏记录层达到并保持一discolorization状态当加热到比熔点低的温度下 然后冷却,并worin可逆热敏记录层具有至少0.1毫焦/点的能量擦除范围宽度当用热头实现discolorization状态。