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    • 4. 发明公开
    • Heat sealable electrostatic recording sheet
    • Heisssiegelfähigeselektrostatisches Aufzeichnungsblatt。
    • EP0040650A1
    • 1981-12-02
    • EP80200484.6
    • 1980-05-22
    • R.Q.O. Holding Company,Inc.
    • de Boer, Henri Gerard JeanTellier, Jacques Carel TristanMooyman, Johannes Marinus
    • G03G5/10G03G5/02A41H3/02
    • A41H3/02G03G5/0214G03G5/10
    • A heatsealable electrostatic recording sheet is provided which includes an electrically conductive substrate, a dielectric coating on one surface and a heatsealable coating on the other side. The dielectric coating is composed of an electric-charge-retentive layer of an insulating or dielectric polymer film. The film also contains dispersed therein, pigment particles and preferably an antiblocking agent selected from the groupe consisting of dielectric alkaline earth metal salts of fatty acids, alkali metal salts of fatty acids, waxes, and mixtures thereof and in particular calcium stearate. The heatsealable coating is composed of a thermoplastic film-forming polymeric material which contains an electrically conductive additive, such as a polymeric quaternary ammonium halide, and in particular, polydialkyl diallyl ammonium halide.
    • 提供了一种可热封的静电记录纸,其包括导电基板,一个表面上的电介质涂层和另一侧上的可热封的涂层。 电介质涂层由绝缘或介电聚合物膜的电荷 - 保持层组成。 该膜还包含分散在其中的颜料颗粒,优选选自由脂肪酸的介电碱土金属盐,脂肪酸的碱金属盐,蜡及其混合物,特别是硬脂酸钙组成的组中的防粘连剂。 可热封的涂层由含有导电添加剂如聚合季铵卤化物,特别是聚二烷基二烯丙基卤化铵的热塑性成膜聚合物材料组成。