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    • 5. 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。
    • 10. 发明授权
    • Two-color heat-sensitive recording material with
2-hydroxy-3-naphthoanilide as both coupler and color developing agent
    • 双色热敏记录材料与2-羟基-3-萘甲酰苯胺作为偶联剂和显色剂
    • US4828957A
    • 1989-05-09
    • US53724
    • 1987-05-26
    • Naoki YoneseTosaku OkamotoMitsuru Kondo
    • Naoki YoneseTosaku OkamotoMitsuru Kondo
    • B41M5/323G03C1/52
    • G03C1/52
    • Disclosed is a two-color heat-sensitive recording material which comprises a base sheet and a recording layer of single-layer or multi-layer structure formed on the base sheet, the recording layer comrising:(a) a diazonium salt,(b) a basic leuco dye,(c) a 2-hydroxy-3-naphthoic acid derivative which acts as a coupler compound for causing the diazonium salt to develop color when heated and which also acts as a color developing material for causing the basic leuco dye to develop color when heated, and(d) a basic substance, wherein the diazonium salt and the basic leuco dye each form a color upon application of heat, thereby giving the first image of a mixed color, and, then, after irradiation of an active ray to decompose the diazonium salt, the basic leuco dye alone forms its own color upon application of heat, thereby giving the second image whose color is different from the mixed color of the first image.
    • 公开了一种双色热敏记录材料,其包括基片和形成在基片上的单层或多层结构的记录层,记录层包括:(a)重氮盐,(b) 碱性无色染料,(c)作为成色剂化合物的2-羟基-3-萘甲酸衍生物,其用于使重氮盐在加热时显色,并且还用作显色剂,使碱性无色染料 在加热时显色,和(d)碱性物质,其中重氮盐和碱性无色染料在施加热量时均形成颜色,从而得到混合颜色的第一图像,然后在活性物质的照射后 射线以分解重氮盐,单独的基本无色染料在施加热量时形成其自己的颜色,从而给出颜色不同于第一图像的混合色彩的第二图像。