| 摘要 |
PROBLEM TO BE SOLVED: To obtain a heat developable photosensitive material less liable to adversely affect the human body and environment, having good shelf stability and less liable to fog by incorporating photosensitive silver halide, a reducible silver salt, a reducing agent, a binder, a specified polyhalogen compound and a specified compound on at least one same face of a substrate SOLUTION: The heat developable photosensitive material contains pbotosensitive silver halide, a reducible silver salt, a reducing agent, a binder, a polyhalogen compound of formula I and a compound of formula II on at least one face of the substrate. In the formula I, Z1 and Z2 are each halogen, X1 is H or an electron withdrawing group, Y1 is -CO- or -SO2-, Q is arylene or a divalent heterocyclic group, L is a divalent combining group, W is carboxyl, its salt, sulfo, its salt or the like and (n) is 0 or 1. In the formula II, Z11 is an aliphatic hydrocarbon, aryl or a heterocyclic group and M is a cation.
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