| 摘要 |
PROBLEM TO BE SOLVED: To form a relief image having high oleophilicity and high strength by tanning development. SOLUTION: A hydrazine compound expressed by formula (I): L(-X-NHNH- Ar)n is used as a tanning developing agent. In formula, L is a n-valent organic residue, X is -NH-CO-, -CO-, -NH-SO2- or -O-CO-, Ar is an aromatic group or aromatic heterocyclic group, n is an integer >=2, and n of-X-NHNH-Ar may be different from one another. |
