Agfa Graphics Nv

Philippe Moriamé

Johan August Loccufier

Hubertus Van Aert

Stefaan Lingier

Peter Hendrikx

Tim Desmet

Xavier André

Jan Sinnesael

An alkali soluble resin is disclosed comprising a first monomeric unit including at least one sulfonamide group and a second monomeric unit derived from the monomer according to the following structure (I) wherein Rrepresents a structural moiety comprising an ethylenically unsaturated polymerizable group; R, Rand Rindependently represent hydrogen, an optionally substituted alkyl, alkenyl, alkynyl, alkaryl, aralkyl, aryl or heteroaryl group or, the necessary atoms to form a five to eight membered ring. 

Alkali soluble resin

A positive-working lithographic printing plate precursor is disclosed 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 a compound including a benzoxazine group.

Lithographic printing plate precursor

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Antwerp, Belgium

Philippe Moriamé