申请人:EASTMAN KODAK COMPANY
(a New Jersey corporation)
公开号:EP0045693A2
公开(公告)日:1982-02-10
A photographic element for use in two-sheet diffusion transfer photography is described which contains a support, a neutralizing layer, a timing layer, a vinylidene chloride polymeric layer, a polymeric primer layer, and at least one silver halide emulsion layer having a dye image-providing material associated therewith. The vinylidene chloride polymeric layer and the polymeric primer layer prevent unwanted transfer of portions of the emulsion layer to the image-receiving layer when the receiving layer and photographic element are peeled apart. The polymeric primer layer can be either an ionic vinyl polymer or an ionic polyester.
本发明描述了一种用于双片扩散转移摄影的感光元件,它包含一个支架、一个中和层、一个定时层、一个亚乙烯基聚合层、一个聚合底层和至少一个卤化银乳剂层,该层具有与之相关的染料图像提供材料。当接收层和感光元件剥离时,亚乙烯基聚合层和聚合底层可防止乳剂层的某些部分不必要地转移到图像接收层。聚合物底层可以是离子乙烯基聚合物或离子聚酯。