Image recording material and method for forming an image using the same

A process for forming an image which comprises imagewise exposing a recording material comprising a support, a light-sensitive composition layer on said support, and a transparent film on said light-sensitive composition layer, and then peeling off said transparent film to remove the exposed areas of said light-sensitive composition layer with said transparent film and to leave the unexposed areas of said light-sensitive composition layer on said support, thereby to form an image on said support, wherein said light-sensitive composition comprises:

• a. a monomer containing at least two addition-polymerizable unsaturated bonds and having a boiling point of at least 100.degree. C,
• b. polyvinyl butyral, and
• c. a photopolymerization initiator represented by the formula:
• ##STR6## wherein R.sub.1 is an alkyl group or vinylmethyl group, R.sub.2 is an alkyl group, aryl group or thienyl group, and Z is a group of non-metallic atoms necessary to forming a heterocyclic ring, and said transparent film is peeled off at a temperature of about 70.degree. to 150.degree. C.