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    • 9. 发明授权
    • Heat-sensitive recording material
    • 热敏记录材料
    • US06723482B2
    • 2004-04-20
    • US10166730
    • 2002-06-12
    • Koreshige Ito
    • Koreshige Ito
    • G03F7021
    • G03F7/0032B41M5/323B41M5/3333B41M5/3335G03C1/52
    • The present invention provides a heat-sensitive recording material comprising a substrate having disposed thereon at least a heat-sensitive recording layer comprising: microcapsules; diazonium salt compounds contained within the microcapules and represented by the following general formula (I); and a coupler which undergoes coupling-reaction with the diazonium salt compounds to cause color development, wherein three or more of the diazonium salt compounds represented by the general formula (I) are contained in the same microcapsule: (wherein R1, R2 and R3 each independently represents an alkyl group, a substituted alkyl group, an aryl group or a substituted aryl group; and X− represents a counter anion).
    • 本发明提供了一种热敏记录材料,其包括至少在其上设置有热敏记录层的基底,所述热敏记录层包括:微胶囊; 包含在微型容器内的由以下通式(I)表示的重氮盐化合物; 以及与重氮盐化合物进行偶联反应以引起显色的成色剂,其中三种或更多种由通式(I)表示的重氮盐化合物包含在相同的微胶囊中:(其中R 1,R 2和R 3各自独立地表示烷基,取代的烷基,芳基或取代的芳基; X'表示抗衡阴离子)。