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    • 6. 发明申请
    • THERMOSENSITIVE RECORDING MATERIAL
    • 耐热记录材料
    • US20160236496A1
    • 2016-08-18
    • US15026065
    • 2014-09-30
    • OJI HOLDINGS CORPORATION
    • Masahiro MORIETakehiro MINAMIKazuo YAMANEToshizo YAMAMOTOKazuyuki SAKAMOTOMasaharu NOJIMA
    • B41M5/327B41M5/337B41M5/333
    • B41M5/3275B41M5/323B41M5/3336B41M5/3372B41M5/3375B41M5/423B41M5/44B41M2205/04B41M2205/20B41M2205/28B41M2205/36B41M2205/38B41M2205/40
    • A main object of the present invention is to provide a thermosensitive recording material having excellent recording color developability and recording image quality, having no inhibition of a color-developing reaction due to the adhesive component after being processed into a thermosensitive recording label (glue desensitization), and being able to withstand long-term storage while retaining excellent recording performance.The present invention is a thermosensitive recording material (1) having at least an anchor layer (1) containing a sizing agent on a support, an undercoat layer containing at least one member selected from the group consisting of plastic hollow particles and sizing agents on the anchor layer (1), and a thermosensitive recording layer containing a leuco dye and a coloring agent on the undercoat layer; and is a thermosensitive recording material (2a) having an anchor layer (2) containing specific amounts of a pigment and a specific sizing agent on a support, and a thermosensitive recording layer containing a leuco dye and a coloring agent on the anchor layer (2); a thermosensitive recording material (2b) having an anchor layer (2) containing a pigment and a specific sizing agent on a support, and a thermosensitive recording layer containing a leuco dye and a specific coloring agent on the anchor layer (2); or a thermosensitive recording material (2c) having an anchor layer (2) containing a sizing agent and a water resistance-imparting agent on a support, and a thermosensitive recording layer containing a leuco dye and a coloring agent on the anchor layer.
    • 本发明的主要目的是提供一种具有优异的记录显色性和记录图像质量的热敏记录材料,其在加工成热敏记录标签之后不会由于粘合剂组分而受到显色反应的抑制(胶脱敏) 并且能够承受长期存储,同时保持优异的记录性能。 本发明是一种热敏记录材料(1),其至少具有在载体上含有施胶剂的锚定层(1),底涂层含有选自塑料中空颗粒和上浆剂中的至少一种 锚定层(1)和在底涂层上含有无色染料和着色剂的热敏记录层; 并且是具有在载体上含有特定量的颜料和特定上浆剂的锚定层(2)的热敏记录材料(2a),以及在锚定层(2)上含有无色染料和着色剂的热敏记录层 ); 具有在载体上含有颜料和特定上浆剂的锚定层(2)的热敏记录材料(2b)和在锚定层(2)上含有无色染料和特定着色剂的热敏记录层; 或具有在载体上含有施胶剂和耐水性赋予剂的锚定层(2)的热敏记录材料(2c),以及在锚定层上含有无色染料和着色剂的热敏记录层。