| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a photosensitive resin composition which has resistance to deterioration by hydrolysis during storage, is capable of being excellently printed on a wide range of substrates and exhibits a Shore A hardness of 24-60, high recovery resilience, a high tensile strength and a high elongation and further, which is capable of being developed using an aqueous washing agent after exposure so as to produce a relief printing plate and shows little swelling when a printing ink based on water is used. SOLUTION: The photosensitive resin composition is a photopolymer composition which is composed of (a) a polyurethane pre-polymer produced by the reaction of at least one diisocyanate, at least one polyether diol having an olefinic unsaturation degree of <=0.01 meq/g and a hydroxy functionalized (meth) acrylate, (b) at least one monomer and (c) at least one photoinitiator.</p> |
