Patent ID: 6093525
Filing Date: 2000-07-25
Classification: B41M,G03C

Abstract:
A thermally processable imaging element, said element comprising:(1) a support;(2) a thermographic or photothermographic imaging layer;(3) an overcoat layer overlying and in direct contact with the imaging layer, wherein the overcoat layer comprises:(a) 50 to 90% by weight poly(silicic acid) represented by the formula: ##STR5## wherein n is an integer within the range of at least 3 to about 600; (b) 10 to 48% by weight of a water soluble hydroxyl containing polymer or monomer that is compatible with poly(silicic acid); and(c) 2 to 25% by weight of an acrylate or methacrylate latex;wherein the adhesion between the imaging layer and the overcoat layer is improved compared to an overcoat layer that contains (a) and (b) above but does not contain (c) above.