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    • 5. 发明授权
    • Dry image forming material
    • 干成像材料
    • US4396712A
    • 1983-08-02
    • US268438
    • 1981-05-29
    • Shozo KinoshitaMuneaki KimuraTetsuo Shiga
    • Shozo KinoshitaMuneaki KimuraTetsuo Shiga
    • G03C1/498G03C1/02
    • G03C1/49845
    • A novel dry image forming material comprising in one or more layers on a support (a) a non-photosensitive organic silver salt oxidizing agent, (b) a reducing agent for silver ions, (c) a silver halide component or a silver halide-forming component, (d) a toning agent and (e) a lipophilic binder, characterized by the inclusion of a specific 2-(2'-hydroxyphenyl)benzotriazole compound having bulky tert-butyl or tert-amyl groups at its ortho- and para-positions relative to the hydroxyl group in a layer containing the component (a). The dry image forming material of the present invention has high storage stability prior to use for image formation. When the dry image forming material comprises a combination of a silver salt oxidizing agent-containing layer comprising the specific 2-(2'-hydroxyphenyl)benzotriazole compound and a reducing agent-containing layer comprising a high impact acrylic resin as a binder material, the material is remarkably improved in storage stability of raw material in the dark or under light with wavelengths of 450 nm or more and the stability of a latent image, and shows minimized variation in image quality with heat development conditions. When the dry image forming material comprises, as the component (a), a silver salt of long chain fatty acid having 16 or more carbon atoms and, as the component (c), a silver halide component including silver iodide or a silver halide-forming component capable of forming a silver halide component including silver iodide, and further comprises (g) an oxidizing agent for free silver, (h) a photoreactive halogeno oxidizing agent and, in the layer containing the components (a), (c), (e) and (f), (i) a specific cyanine spectral sensitizing dye, the material is of the post-activation type and spectrally sensitized without sacrificing the storage stability of raw material.
    • 一种新颖的干成像材料,其包含一个或多个载体上的层(a)非感光性有机银盐氧化剂,(b)银离子还原剂,(c)卤化银组分或卤化银 - 形成组分,(d)调色剂和(e)亲脂性粘合剂,其特征在于在其邻位和对位包含具有大体积叔叔丁基或叔戊基的特异性2-(2'-羟基苯基)苯并三唑化合物 在含有组分(a)的层中相对于羟基的位置。 本发明的干成像材料在用于图像形成之前具有高的储存稳定性。 当干成像材料包含含有特定2-(2'-羟基苯基)苯并三唑化合物的含银盐氧化剂的层与含有作为粘合剂材料的高冲击丙烯酸树脂的还原剂层的组合时, 材料在黑暗中或在波长为450nm以上的光下的原材料的保存稳定性和潜像的稳定性显着提高,并且在热显影条件下显示图像质量的变化最小化。 当干成像材料包含作为组分(a)的具有16个或更多个碳原子的长链脂肪酸的银盐和作为组分(c)的卤化银组分时,包括碘化银或卤化银 - (g)游离银的氧化剂,(h)光反应性卤代氧化剂,在含有(a),(c)成分的层中, (e)和(f),(i)特定的花青光谱增感染料,该材料为活化后型,并且在不牺牲原料的储存稳定性的情况下进行光谱增感。