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一步摄影材料是目前感光度最高的感光材料,但它的解象力很差,从而限制了它在某些领域的应用。因此提高解象力是一步摄影材料的一个重要课题。本文研究感光层、接受层的特性以及加工膏剂的组成和加工条件对在感光层和接受层中分别形成的负—正影象的解象力的影响。研究中采用了具有各种粒度的感光溴化银层,以聚乙烯醇缩丁醛、甲基丙烯酸甲酯和甲基丙烯酸共聚物为基础的接受层,以及
One-step photographic material is currently the most sensitive photographic material, but its poor resolving power, which limits its application in some areas. Therefore, improving the power of photography is an important issue in one-step photographic materials. In this paper, the effects of the photosensitive layer, the properties of the receptive layer, and the composition and processing conditions of the processing paste on the resolution of the negative-positive images formed in the photosensitive layer and the receptive layer, respectively, are investigated. The study employed light-sensitive silver bromide layers of various particle sizes, a receiving layer based on polyvinyl butyral, a copolymer of methyl methacrylate and methacrylic acid, and