Heat-sensitive lithographic printing plate precursor

Details Heat-sensitive lithographic printing plate precursor Heat-sensitive lithographic printing plate precursor

2007-11-20

2007-11-20

Lee, Sin (Department: 1752)

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

C430S270100, C430S302000, C430S326000, C430S944000

Reexamination Certificate

active

10834553

ABSTRACT:
According to the present invention there is provided a positive-working lithographic printing plate precursor which comprises on a support having a hydrophilic surface or which is provided with a hydrophilic layer, an oleophilic coating comprising an infrared absorbing agent, an alkali-soluble polymeric binder and a polysiloxane which comprises at least one carboxylic acid group or a salt thereof. The disclosed printing plate precursor has an improved sensitivity and at the same time a high under exposure latitude and a high developer resistance.

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