桥链含苯并吡喃核的四甲川份菁染料的合成与应用研究

The novel type tetramethinmerocyanine red sensitive dyes with benzopyran nucleus on the bridged chain is synthesized by alkaline heterocyclic compound,3-carboxylmethyl rodanine,and chromone.The visible absorption spectra in methanol and the sensitizing spectra in AgBr-AgI emulsion are determined.Among those dyes,the sensitizing dye used for laser image film is selected.The result shows that the photographic sensitivity is high and photographic properties are stable,especially the residual color is very little after processing.

增感染料在干银胶片中的应用最新进展

本文主要讲述的是干银胶片的特点及能满足干银胶片特殊使用要求的增感染料 ,并进行了详细的举例说明。