申请人:MINNESOTA MINING AND MANUFACTURING COMPANY
公开号:EP0704755A1
公开(公告)日:1996-04-03
Light-sensitive photographic element comprising a polymeric film base, a silver halide emulsion layer, and an antistatic layer comprising a low viscosity and highly sulfonated water soluble polyacetal (preferably obtained by reaction of a low viscosity polyvinyl alcohol and a sulfonated aldehyde), a hydrophobic binder selected from the group consisting of a water dispersible sulfopolyester and a latex polymer having hydrophilic functionality, and a polyfunctional aldehyde crosslinking agent. The antistatic layer may be present as a backing layer on the side of the base opposite the silver halide emulsion layer, as a subbing layer between the base and the emulsion layer in a single or double side coated photographic element, and/or as a subbing layer between the base and a different backing layer.
感光照相元件,包括聚合物膜基、卤化银乳剂层和抗静电层,抗静电层包括低粘度和高磺化的水溶性聚缩醛(最好是由低粘度聚乙烯醇和磺化醛反应得到)、从水分散性聚硫酯和具有亲水功能的乳胶聚合物组成的组中选出的疏水粘合剂以及多官能醛交联剂。抗静电层可以作为底座上与卤化银乳剂层相对的一面的背衬层,也可以作为单面或双面涂层感光元件中底座与乳剂层之间的辅助层,和/或作为底座与不同背衬层之间的辅助层。