Disclosed is a photothermographic material comprising on a support a light-insensitive silver salt of an aliphatic carboxylic acid, a light-sensitive silver halide and a reducing agent for silver ions, wherein the photothermographic material further comprises a copolymer comprising a backbone comprising a chain having a monomeric repeating unit, represented by formula (1) and a chain having a monomeric repeating unit, represented by formula (2).
本发明公开了一种光热成像材料,该材料包含脂肪族
羧酸的光敏
银盐、光敏卤化
银和
银离子还原剂,其中该光热成像材料还包含一种共聚物,该共聚物的骨架包括具有单体重复单元的链,由式(1)表示,以及具有单体重复单元的链,由式(2)表示。