Kodak Graphic Communications Gmbh

Michael Mursal

Harald Baumann

Udo Dwars

Bernd Strehmel

Detlef Pietsch

Axel Draber

Lithographic printing plate precursor comprising (a) a lithographic substrate with a hydrophilic surface and (b) a radiation-sensitive coating on the hydrophilic surface comprising (i) one or more types of monomers and/or oligomers and/or polymers, each comprising at least one ethylenically unsaturated group accessible to a free radical polymerization, (ii) at least one sensitizer, and at least one coinitiator capable of forming free radicals together with the sensitizer (ii); characterized in that the at least one sensitizer is an oligomeric or polymeric compound comprising the following structural unit (Formula (I)), wherein &#x3c0;is an aromatic or heteroaromatic unit or a combination of the two so that a conjugated n-system is present between the two groups Z in structure (I), each Z independently represents a heteroatom, each Rand Ris independently selected from a halogen atom, an alkyl, aryl, alkylaryl or aralkyl group, a group &#x2014;NRRand a group &#x2014;OR, each R, Rand Ris independently selected from an alkyl, aryl, alkylaryl and aralkyl group, a and b independently represent 0 or an integer from 1 to 4, n has a value of &#x3e;1 and AS is an aliphatic spacer. 

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Munich, Georgia

Michael Mursal