| 主权项 |
1. A lithographic printing plate precursor comprising a coating provided on a support having a hydrophilic surface, the coating containing thermoplastic polymer particles and an IR-dye, wherein the IR-dye contains a structural element according to Formula I, wherein A represents a hydrogen, an optionally substituted alkyl, aralkyl or aryl group, halogen, —ORc, —SRd, —NRfRg, —NRh(SO2Ri) or —NRj(CO2Rk) wherein Rc represents an optionally substituted aryl group, Rd represents an optionally substituted alkyl, aralkyl, aryl or heteroaryl group, Rf represents an optionally substituted alkyl, aralkyl or aryl group, Rg represents an optionally substituted aryl group, Rh represents an optionally substituted alkyl or aryl group, Ri represents an optionally substituted alkyl or aryl group or —NRi1Ri2 wherein Ri1 and Ri2 represent hydrogen, an optionally substituted alkyl or aryl group, Rj represents an optionally substituted alkyl or aryl group and Rk represents an optionally substituted alkyl group; Y and Y′ independently represent —CH— or —N—; R1 and R2 independently represent hydrogen, an optionally substituted alkyl or aryl group or represent the necessary atoms to form a ring; and * represent the linking positions to the rest of the molecule. |
