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    • 4. 发明授权
    • Heat-sensitive diazo recording material with diphenyl alkene coupler
    • 具有二苯基烯烃偶合剂的热敏重氮记录材料
    • US4770973A
    • 1988-09-13
    • US928050
    • 1986-11-07
    • Nobuo KandaKatsuhiko IshidaTosaku OkamotoMitsuru Kondo
    • Nobuo KandaKatsuhiko IshidaTosaku OkamotoMitsuru Kondo
    • C09B23/00B41M5/323G03C1/58B41M5/18
    • G03C1/58
    • In a heat-sensitive recording material which comprises a substrate and a heat-sensitive recording layer thereon containing a diazonium salt and coupler compound, the heat-sensitive recording material characterized in that the coupler compound comprises at least one compound represented by the formula [I] below ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7 and R.sub.8 are each hydrogen atom, halogen atom, alkyl or alkoxyl; R.sub.9 is hydrogen atom or alkyl; X and Y are each hydrogen atom, --OR.sub.10 or --N(R.sub.11)(R.sub.12), R.sub.10, R.sub.11 and R.sub.12 being each hydrogen atom, alkyl, alicyclic group, aryl or aralkyl, these R.sub.10, R.sub.11 and R.sub.12 may have a substituent selected from among halogen atom, alkyl and alkoxy, R.sub.11 and R.sub.12 may link together to form a heteroring, or, one or both of R.sub.11 and R.sub.12 may form a heteroring together with an adjacent benzene ring; n is 0 or 1.
    • 在包含基材和其上含有重氮盐和偶联剂化合物的热敏记录层的热敏记录材料中,热敏记录材料的特征在于,成色剂化合物包含至少一种由式[I ]其中R 1,R 2,R 3,R 4,R 5,R 6,R 7和R 8各自为氢原子,卤原子,烷基或烷氧基; R9为氢原子或烷基; X和Y各自为氢原子,-OR 10或-N(R 11)(R 12),R 10,R 11和R 12各自为氢原子,烷基,脂环基,芳基或芳烷基,这些R 10,R 11和R 12可以具有选定的取代基 从卤素原子,烷基和烷氧基中,R 11和R 12可以连接在一起以形成杂环,或者,R11和R12中的一个或两个可以与相邻的苯环一起形成杂环; n为0或1。