Printing – Planographic – Lithographic printing plates
Patent
1998-01-29
1999-09-14
Funk, Stephen R.
Printing
Planographic
Lithographic printing plates
101456, 101462, 101467, 430303, B41C 110, B41N 114
Patent
active
059505427
ABSTRACT:
A lithographic imaging member, such as a printing plate, has a support having thereon an ink-accepting melanophilic layer and an ink-rejecting siloxane surface melanophobic layer. Within the printing plate is a photothermal conversion material capable of converting irradiation, such as IR radiation, to heat in exposed regions. Also within one of the layers is a compound that upon imaging releases a moiety that facilitates degradation of the surface melanophobic layer. The released moiety can be fluoride ion or a fluoride ion-containing compound. In some imaging members, a barrier layer may be interposed between the two other layers. Such imaging members can be digitally imaged and used for printing without post-imaging processing.
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Bailey David B.
Harris Mark A.
Funk Stephen R.
Kodak Polychrome Graphics LLC
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