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    • 10. 发明公开
    • Thermosensitive recording material
    • 热敏记录材料
    • EP0526072A1
    • 1993-02-03
    • EP92306655.9
    • 1992-07-21
    • NEW OJI PAPER CO., LTD.
    • Takahashi, YoshiyukiIwasaki, AkikoToyofuku, Kunitaka
    • B41M5/30C07C311/57C07C311/58C07C311/60C07C335/42
    • C07C335/42B41M5/3333B41M5/3375C07C311/57C07C311/58C07C311/60
    • A thermosensitive recording material capable of recording thereon colored images having high resistances to oily substances, plasticizers, moisture, and heat and an excellent storage persistency over a long time, comprises a thermosensitive colored image-forming layer formed on a sheet substrate and comprising a colorless dye precursor, a color developing agent, and a binder, the color developing agent comprising at least one compound of the formula (I):
      wherein X is an O or S atom, R 1 is an unsaturated aromatic group or a substituted phenyl group having a lower alkyl or halogen atom and R 2 and R 3 are respectively a hydrogen atom, alkyl, aralkyl, substituted alkyl having an aryloxy, unsubstituted aromatic group, or substituted aromatic group having at least one substituent selected from alkyl, aryl, aralkyl, alkyloxy, alkyloxycarbonyl, aryloxycarbonyl, aralkyloxycarbonyl, and arylsulfonyl groups, and halogen atoms.
    • 一种热敏记录材料,其能够在其上记录对油性物质,增塑剂,湿气和热具有高耐受性并且长时间具有优异储存持久性的彩色图像,所述热敏记录材料包括在片状基材上形成的热敏着色图像形成层, 染料前体,彩色显影剂和粘合剂,所述彩色显影剂包含至少一种式(I)化合物:其中X是O或S原子,R 1是不饱和芳族基团或具有 低级烷基或卤原子,R2和R3分别为氢原子,烷基,芳烷基,具有芳氧基的取代烷基,未取代的芳族基团或具有至少一个选自烷基,芳基,芳烷基,烷氧基,烷氧基羰基, 芳氧基羰基,芳烷氧基羰基和芳基磺酰基,以及卤素原子。