Patent ID: 8026041

Claim:
A non-ablative imageable element comprising a substrate having thereon, in order: a first layer comprising a first polymeric binder and an infrared radiation absorbing compound, a second layer comprising a second polymeric binder and comprises less than 3 weight % of infrared radiation absorbing compound, and a crosslinked silicone rubber layer disposed over said second layer, wherein said second polymeric binder is selected from the group consisting of the following groups of polymer materials: Class a): novolak resins, resole resins, branched or unbranched polyhydroxystyrenes, polyvinyl acetals with pendant phenol groups, or any combination thereof, Class b): polymers having recurring units derived from one or more monomers of group (a) that is selected from the group consisting of norbornene, tetracyclododecene, and mixtures thereof, and recurring units derived from one or more monomers of group (b) that is selected from the group consisting of maleic anhydride, maleimide, N-phenyl maleimide, N-benzyl maleimide, N-cyclohexyl maleimide, and mixtures thereof, Class c): copolymers derived from maleic anhydride and monomers of the formula CH 2 ═CH(C 6 H 4 R 1 ) and mixtures thereof in which R 1 is hydrogen, halogen, hydroxyl, cyano, sulfonamide, alkyl of 1 to 6 carbon atoms, alkoxyl of 1 to 6 carbon atoms, acyl of 1 to 7 carbon atoms, acyloxy of 1 to 7 carbon atoms, carboalkoxy of 1 to 7 carbon atoms, or a mixture thereof, Class d): copolymers derived from methyl methacrylate and a carboxylic acid containing monomer or a mixture of carboxylic acid containing monomers, Class e): polymers having an —X—C(=T)-NR—S(═O) 2 — moiety that is attached to the polymer backbone, wherein —X— is an oxy or —NR′— group, T is O or S, R and R′ are independently hydrogen, halo, or an alkyl group having 1 to 6 carbon atoms, and Class f): polymers having recurring units represented by the following Structure (I-F) or (II-F): wherein n is 1 to 3, R s and R t are independently hydrogen or an alkyl or halo group, X is a multivalent linking group, Y is oxy or —NR— wherein R is hydrogen or an alkyl or aryl group, and Z is a monovalent organic group, wherein said first polymeric binder is present in said first layer in an amount of at least 60 weight % and said first layer has a dry coverage of from about 0.7 to about 3 g/m 2 , said second polymer binder is present in said second layer in an amount of at least 50 weight % and said second layer has a dry coverage of from about 0.3 to about 2 g/m 2 and said crosslinked silicone rubber layer has a dry thickness of from about 0.5 to about 3.5 μm.