Patent ID: 8377628

Claim:
A heat-sensitive lithographic printing plate precursor based on heat-induced latex coalescence comprising: a grained and anodized aluminum support; and a heat-sensitive coating arranged on the support, the heat-sensitive coating including heat-induced coalescing hydrophobic thermoplastic polymer particles, a hydrophilic binder, and an organic compound including at least one phosphonic acid group or at least one phosphoric acid group or a salt thereof; wherein the organic compound is represented by the following formula: or a salt thereof; and wherein: n represents 0 or 1; R 1 and R 2 independently represent hydrogen, a straight, branched, cyclic, or heterocyclic alkyl group having up to 8 carbon atoms, a halogen, a hydroxyl group, or an aryl or heteroaryl group; and R 3 represents a straight, branched, cyclic, or heterocyclic alkyl group having up to 8 carbon atoms, a halogen, a hydroxyl group, an aryl or heteroaryl group, a carboxyl group, a phosphonic acid group, a phosphoric acid group, a sulphuric acid group, or a sulfonic acid group.