节点文献
彩色卤化银体系中染料云形成的动力学模型
KINETICS MODELING OF DYE CLOUD FORMATIONIN COLOR SILVER HALIDE IMAGING SYSTEM
【摘要】 本文根据彩色卤化银成像体系中显影剂氧化产物(QDI)在介质层中扩散-反应的过程,设计了一个描述彩色染料影像最小基元-染料云形成的动力学过程的数学模型.此模型模拟了内含分散性成色剂油珠的介质层中,曝光的卤化银颗粒在彩色显影时,其表面上生成的QDI在向颗粒周围作球型扩散的同时,一方面其本身要进行脱氨或磺化反应,另一方面又要与成色剂油珠发生界面偶合反应生成染料,并在颗粒周围形成染料云.此模型不仅可提供彩色卤化银体系中染料云形成细微过程的描述,而且还可提供介质层中染料的径向分布、QDI浓度的时空分布以及还原的银量和染料产率等重要结果.
【Abstract】 numerical model delineating kinetical process of dye cloud formation in conventional color silver halide system was designed based on diffusion and reactions of oxidized developer(QDI). The reactions, such as deamination, sulfonation and an interfacial coupling reaction of QDI with a dispersed coupler (in droplets), were involved as QDI generated on the surface of a silver halide grain spherically was diffusing in a medium layer. With some parameters, radial distribution of the formed dye, distributions of QDI concentrations vs. time and space, amount of reduced silver and dye yield etc.could be obtained from the numerical simulation.
- 【文献出处】 感光科学与光化学 ,PHOTOGRAPHIC SCIENCE AND PHOTOCHEMISTRY , 编辑部邮箱 ,1998年01期
- 【分类号】TB812
- 【被引频次】1
- 【下载频次】20