Patent ID: 7261998
Filing Date: 2007-08-28
Classification: B41C,B41M,G03C,G03F,Y10S

Abstract:
1. An imageable element comprising: a lithographic substrate; and disposed on the substrate, an imageable layer including a) a radically polymerizable component; b) an initiator system capable of generating radicals sufficient to initiate a polymerization reaction upon exposure to imaging radiation; and c) a polymeric binder having a hydrophobic backbone and including each of: i) at least 50 weight % of constitutional units having a pendant cyano group attached directly to the hydrophobic backbone that are derived from (meth)acrylonitrile, ii) constitutional units having a pendant group including a hydrophilic poly(alkylene oxide) segment that are derived from poly(ethylene glycol) alkyl ether (meth)acrylate, and iii) constitutional units derived from one or more of styrene and substituted styrenic monomers.