Patent ID: 8114566

Claim:
A photosensitive resin composition for a solvent-developing or thermally-developing flexographic printing plate, comprising: (a) a block copolymer comprising a polymer block having a conjugated diene as a main component and a polymer block having a vinyl aromatic hydrocarbon as a main component; (b) a photopolymerizable monomer; (c) a photopolymerization initiator; and (d) an organosilicon compound; wherein the organosilicon compound (d) comprises a silicone oil having a siloxane unit and an amino group; wherein the amino group is a primary amino group and is introduced to a side chain or at least one terminal of the silicone oil having a siloxane unit; and wherein the organosilicon compound (d) has an amino group equivalent of from 300 g/mol to 1,000 g/mol.