The application of three DIAR couplers in color negative film is studied,and the data of sensitivity,fog,particularly,reduced graininess,improved interlayer effect have been obtained.

• 对3个DIAR成色剂在彩色负片中的应用进行了研究,得到了它们对感光度、灰雾影响的数据,特别是得到了它们在降低颗粒度和改善层间效应方面的数据。