| abstract |
The present invention concerns an aqueous processible solid photosensitive composition for making relief plates comprising n (a) an addition photopolymerizable ethylenically unsaturated monomer; n (b) a photoinitiator or photoinitiating system activated by actinic light; and n (c) a core shell microgel binder; wherein the core shell microgel binder has two domains, a core having less than 10% crosslinking and an aqueous processible non-crosslinked outer shell consisting of an acid-modified copolymer, and further wherein the monomer partitions in the shell of the microgel. The invention also concerns a photosensitive element containing this composition. |