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    Thermal transfer sheet
    1.
    发明公开
    Thermal transfer sheet 失效
    ThermischesÜbertragungsblatt。

    公开(公告)号：EP0672543A1

    公开(公告)日：1995-09-20

    申请号：EP95106869.1

    申请日：1990-07-06

    申请人： DAI NIPPON INSATSU KABUSHIKI KAISHA

    发明人： Umise, Shigeki, c/o Dai Nippon Insatsu K.K. ,  Suzuki, Taro, c/o Dai Nippon Insatsu K.K. ,  Yamamoto, Kyoichi

    IPC分类号： B41M5/40 ,  B41M5/38

    CPC分类号： B41M5/42 ,  B41M5/426 ,  B41M5/44 ,  Y10S428/913 ,  Y10S428/914 ,  Y10T428/2982

    摘要： A thermal transfer sheet (1) having a back coating layer (3) excellent in heat-resistance, a substrate layer (2) and a recording material layer (4) is provided by using a styrene-acrylonitrile copolymer as a resin constituting the back coating layer. A thermal transfer material having an excellent heat-resistance and having a back coating layer having considerable strength is provided by incorporating at least two species of heat-resistant particles having different particle sizes in the back coating layer, since the larger species of particle imparts excellent heat-resistance to the back coating layer, the smaller species of particle enhances the total amount of the fillers, and the larger and smaller species of the particles function so as to provide a synergistic effect. A thermal transfer sheet having a back coating layer which is excellent in storability is provided by incorporation an alkylphosphate multi-valent metal salt into the back coating layer, since the thus prepared back coating layer has an excellent heat-resistance, does not contaminate another member or thermal head without wearing the thermal head, and has an excellent slip property and an excellent dye barrier property.

    摘要翻译： 通过使用苯乙烯 - 丙烯腈共聚物作为构成背面的树脂，提供具有耐热性优异的背面涂层（3），基材层（2）和记录材料层（4）的热转印片材（1） 涂层。 通过在背涂层中掺入至少两种具有不同粒径的耐热颗粒，提供具有优异耐热性并具有相当强度的背涂层的热转印材料，因为较大的颗粒物质赋予优异的 对背涂层的耐热性，较小的颗粒物质增加了填料的总量，并且较大和较小的颗粒物质起作用以提供协同效应。 由于这样制备的背涂层具有优异的耐热性，因此通过将烷基磷酸酯多价金属盐并入背涂层中而提供具有优异储存性的背涂层的热转印片，不会污染另一成分 或热敏头，而不会磨损热敏头，并且具有优异的滑动性能和优异的染料阻隔性能。