Improved heat developable silver films are produced upon coating and drying a binder composition containing (a) a substantially light-insensitive silver sulfinate, (b) a silver halide photocatalyst, and (c) a developer. A preferred film contains (a) silver hexadecylsulfinate, (b) a separately sensitized silver halide emulsion and (c) a Phenidone or Dimezone moiety in a coalesced latex binder.
通过涂覆和干燥含有(a)基本上不敏感于光的
硫酸银,(b)
银卤化物光催化剂和(c)显影剂的粘合剂组合物,可以生产出改进的热显影
银膜。首选膜包含(a)
十六烷基
硫酸银,(b)单独敏化的
银卤化物乳液和(c)Phenidone或Dimezone基团在聚合乳胶粘合剂中共聚。