Patent ID: 8771918

Claim:
A positive-working lithographic printing plate precursor which comprises on a support having a hydrophilic surface or which is provided with a hydrophilic layer, a heat and/or light-sensitive coating including an infrared absorbing agent and an alkali soluble resin including a benzoxazine group, wherein the alkali soluble resin comprises a monomeric unit derived from the monomer according to the following structure (V): wherein R 3 to R 6 represent hydrogen, a halogen, an optionally substituted straight, branched or cyclic alkyl, aralkyl, hetero-aralkyl, (di)alkylamine, aryl, heteroaryl group, or a structural moiety comprising an ethylenically unsaturated polymerizable group and/or combinations thereof; each of adjacent R 3 to R 5 may represent the necessary atoms to form one or more cyclic structure(s); and with the proviso that at least one of R 3 to R 6 represents or comprises a structural moiety including an ethylenically unsaturated polymerizable group.