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    • 5. 发明授权
    • Process for the production of color prints by the dye-diffusion transfer
process
    • 通过染料扩散转移法生产彩色印刷品的方法
    • US4429033A
    • 1984-01-31
    • US377623
    • 1982-05-13
    • Immo BoieManfred PetersThomas Kaluschke
    • Immo BoieManfred PetersThomas Kaluschke
    • G03C8/00G03C7/28G03C8/08G03C7/00G03C1/10G03C1/40G03C5/54
    • G03C8/08G03C7/28
    • Color prints are prepared in the form of retained images by the dye diffusion transfer process using a photographic recording material comprising in that order a transparent layer support, a light-sensitive element containing at least one silver halide emulsion layer and a non-diffusing color-providing compound associated thereto, a light-reflecting opaque layer and a mordant layer. The recording material is subjected to imagewise exposure through the transparent layer support. During development a colored moiety is released from the color-providing compound in imagewise distribution and transferred to the mordant layer. Silver and silver halide is removed by bleaching and fixing. The colored color-providing compounds retained in the light-sensitive element in imagewise distribution complementary to the transferred colored moiety form the color image visible through the transparent layer support against the light-reflecting background of the opaque layer. The mordant layer prevents contamination of the developer by diffusible dyes.
    • 通过使用照相记录材料的染料扩散转移方法以保留图像的形式制备彩色印刷品,该照相记录材料依次包括透明层载体,含有至少一种卤化银乳剂层的光敏元件和非扩散颜色 - 提供与其相关联的化合物,光反射不透明层和媒染剂层。 记录材料通过透明层载体进行成像曝光。 在显影期间,着色部分在成像分布中从着色化合物释放并转移到媒染剂层。 银和卤化银通过漂白和固定除去。 保留在感光元件中的着色提供化合物以成像分布与转印的有色部分互补,形成通过透明层支撑可见的彩色图像抵靠不透明层的光反射背景。 媒染层可防止显影剂被可扩散染料污染。