Laminate used for the production of a dry planographic printing plate

A laminate comprising a base substrate, a photosensitive layer and a silicone rubber layer, said photosensitive layer and said silicone robber layer being laminated successively onto said base substrate, and said photosensitive layer containing a diamine derivative represented by the following general formula (1):

• ##STR10## in which R.sub.1, R.sub.2, R.sub.3, and R4 are each independently a) hydrogen or b) a hydrocarbon or substituted hydrocarbon group having 1 to 20 carbon atoms, R.sub.5 and R.sub.6 are each independently hydrogen or an alkyl group having 1 to 20 carbon atoms, and n is 1 to 50, and a diamine derivative represented by the following general formula (2):
• ##STR11## in which R.sub.7, R.sub.8, R.sub.9 and R.sub.10 are each independently a) hydrogen or b) a hydrocarbon or substituted hydrocarbon group having 1 to 20 carbon atoms, X is a divalent group selected from the group consisting of ##STR12##