Laser imageable lithographic printing plates

Details Laser imageable lithographic printing plates Laser imageable lithographic printing plates

1997-03-10

1999-06-01

Thibodeau, Paul J.

Stock material or miscellaneous articles

Composite

Of metal

428483, 428500, 427478, 4272556, 427301, 4274301, 430 21, 4302701, 4302711, 4302751, 4302781, 430306, 430470, 101457, 101458, 101467, B41N 104, B41N 303

Patent

active

059087056

ABSTRACT:
Lithographic plate compositions and a method for their production have been discovered that are especially useful in conjunction with digitally controlled lasers to directly construct printable images on lithographic plates. The plates comprise a substrate and an ablatable polymeric coating on the substrate where the ablatable, imageable coating is prepared by in situ or solution polymerization of conjugated monomers deposited on the plate by vapor deposition or in solution. Examples of such monomers are thiophene, pyrrole and aniline.

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L.S. van Dyke et al., Synthetic Metals, 51, 299-304 (1992).
Nguyen et al., "Water Soluble Conducting Copolymers of o-Aminobenzyl Alcohol and Diphenylamine-4-sulfonic Acid", Macromolecules, 1994, 27, pp. 7003-7005.
Nguyen et al., "Synthesis and Properties of Novel Water-Soluble Conducting Polyaniline Copolymers", Macromolecules, 1994 27, pp. 3625-3631.
Roncali, "Conjugated Poly(thiophenes): Synthesis Functionalization, and Applications", Chem. Rev. 1992, 92, pp. 711-738.

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