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    • 2. 发明授权
    • Heat-sensitive recording material
    • 热敏记录材料
    • US5728646A
    • 1998-03-17
    • US744251
    • 1996-11-05
    • Nobuhide TominagaKeiji Oya
    • Nobuhide TominagaKeiji Oya
    • B41M5/333B41M5/337C09B26/02B41M5/30
    • B41M5/3375B41M5/3335
    • A heat-sensitive recording material, comprising a heat-sensitive recording layer containing at least one acid hydrazide compound represented by the following general formula (I): ##STR1## wherein X.sub.1 and X.sub.2 each independently represent a hydrogen atom, a hydroxyl group, a halogen atom or an alkyl group or alkoxy group having 1 to 10 carbon atoms, A represents --CO-- or --SO.sub.2 --, n is 1 or 2, when n is 1, R.sub.1 represents an alkyl group, an aryl group, a hydroxyaryl group, an alkoxyaryl group, or an alkylaryl group having 1 to 22 carbon atoms and when n is 2, R.sub.1 represents an alkylene group or arylene group having 1 to 18 carbon atoms or a direct bond.
    • 一种热敏记录材料,其包含含有至少一种由以下通式(I)表示的酸酰肼化合物的热敏记录层:其中X 1和X 2各自独立地表示氢原子,羟基 基团,卤素原子或具有1-10个碳原子的烷基或烷氧基,A表示-CO-或-SO2-,n为1或2,当n为1时,R 1表示烷基,芳基, 羟基芳基,烷氧基芳基或碳原子数1〜22的烷芳基,n为2时,R 1表示碳原子数1〜18的亚烷基或亚芳基或直接键合。