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    • 3. 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。