In particular, a photosensitive resin composition characterized by comprising a urethane resin soluble in aqueous alkali solutions, the urethane resin obtained by urethanizing in the absence of catalyst a diisocyanate compound , a diol compound having an ethylenically unsaturated group in its molecule and a diol compound having a carboxyl group in its molecule optionally together with a diol compound not having any ethylenically unsaturated group or carboxyl group in its molecule and reacting {HEAD ~ the reaction product} with {TAIL ~ a cyclic acid anhydride} ; photopolymerization initiator ; and a reactive crosslinking agent  
with
In particular , a photosensitive resin composition characterized by comprising a urethane resin soluble in aqueous alkali solutions , the urethane resin obtained by urethanizing in the absence of catalyst a diisocyanate compound , a diol compound having an ethylenically unsaturated group in its molecule and a diol compound having a carboxyl group in its molecule optionally together with a diol compound not having any ethylenically unsaturated group or carboxyl group in its molecule and reacting { HEAD ~ the reaction product } with { TAIL ~ a cyclic acid anhydride } ; photopolymerization initiator ; and a reactive crosslinking agent
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