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    • 75. 发明授权
    • Thermosensitive recording material
    • 热敏记录材料
    • US5292711A
    • 1994-03-08
    • US878389
    • 1992-05-05
    • Masaki NishimuraKunitaka ToyofukuYoshiyuki Takahashi
    • Masaki NishimuraKunitaka ToyofukuYoshiyuki Takahashi
    • B41M5/333B41M5/337C07C311/58C07C311/60B41M5/32
    • C07C311/60B41M5/3333B41M5/3375C07C311/58
    • A thermosensitive recording material, capable of providing colored images having a high resistance to oily substances and plasticizers and an excellent storage persistency for 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, a colored image-stabilizing agent comprising an aziridinyl compound and/or an epoxy compound, and an additional colored image-stabilizing agent comprising a primary or secondary amine compound and/or a carboxylic compound having a carboxyl group or --CO--O--CO-- group; the color developing agent preferably comprising a compound of the formula (I): ##STR1## wherein X is an O or S atom, R.sub.1 is an unsubstituted aromatic group, or a substituted phenyl group having a lower alkyl or a halogen atom, and R.sub.2 and R.sub.3 are respectively a hydrogen atom, or alkyl group, aryl groups, substituted alkyl group with an aryloxy group, or a substituted aromatic group having an alkyl, aryl, aralkyl, alkyloxy, alkyloxycarbonyl, aryloxycarbonyl, aralkyloxycarbonyl or arylsulfonyl group or a halogen atom.
    • 能够提供对油性物质和增塑剂具有高耐性的彩色图像和长时间优异的储存持久性的热敏记录材料包括形成在片状基材上并包含无色染料前体的热敏着色图像形成层, 彩色显影剂,包含吖丙啶基化合物和/或环氧化合物的着色图像稳定剂和另外的着色图像稳定剂,其包含伯或仲胺化合物和/或具有羧基或-CO- O-CO-基团; 显色剂优选包含式(I)化合物:(*化学结构*)其中X为O或S原子,R 1为未取代的芳族基团或具有低级烷基或卤素原子的取代苯基 ,R2和R3分别为氢原子或烷基,芳基,具有芳氧基的取代烷基或具有烷基,芳基,芳烷基,烷氧基,烷氧基羰基,芳氧基羰基,芳烷氧基羰基或芳基磺酰基的取代芳基,或 卤素原子。