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    • 47. 发明专利
    • Heat developable color photosensitive material
    • 热开发颜料感光材料
    • JPS59168441A
    • 1984-09-22
    • JP4386183
    • 1983-03-16
    • Fuji Photo Film Co Ltd
    • HIRAI HIROYUKISATOU KOUZOU
    • G03C1/498G03C8/00G03C8/40
    • G03C8/4086C07C317/00G03C1/49845G03C8/4033
    • PURPOSE: To obtain a titled photosensitive material which provides a color image having high density with less photographic fogs in a short time by incorporating a dye donative material which releases a hydrophilic dye by reacting with a photosensitive silver halide when heated and a specific base precursor.
      CONSTITUTION: A coating layer contg. at least a photosensitive silver halide, a binder, a dye donative material (e.g.; formula I ) which has a reducing property to the photosensitive silver halide and releases a hydrophilic dye by reacting with the photosensitive silver halide when heated and a base precursor (e.g.; formula III) expressed by the formula II is provided on a base, by which an intended heat-developable color photosensitive material is obtd. (in the formula II, R is alkyl, alkylene, aryl, arylene, residual monovalent heterocyclic group, residual divalent heterocyclic group; B is a monoacid base or diacid base of ≥9 pKa and ≤C
      12 ; x is 1 when residual monovalent group and 2 when residual mono- and divalent groups; y, z are 1W2).
      COPYRIGHT: (C)1984,JPO&Japio
    • 目的:获得标题的感光材料,其通过掺入通过与加热时的感光卤化银反应释放亲水性染料的染料供体材料和特定的碱前体而获得在短时间内提供具有较低照相雾度的高密度的彩色图像。 构成:涂层 至少一种光敏卤化银,粘合剂,染料供体材料(例如式I),其具有对感光卤化银的还原性能,并且在加热时与感光卤化银反应释放亲水染料和碱性前体(例如, ;由式II表示的式III)提供在基底上,由此可以得到预期的热显影性感光材料。 (式中,R为烷基,亚烷基,芳基,亚芳基,残基1价杂环基,残基2价杂环基; B为≥9pKa和= = C12的一酸碱或二酸碱,当残留1价 组和2,当残基单价和二价基团; y,z为1-2时)。