Method of peeling a release film from a photosensitive plate bla

Printing – Planographic – Lithographic plate making – and processes of making or using...

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Details

101467, 430302, 430253, 430254, 430260, B41N 114, G03C 1805

Patent

active

055334520

ABSTRACT:
A printing method for an in situ plate production process in which a photosensitive plate blank having a polymerization layer between a support and a release film is fixed to a plate cylinder either before or after forming a polymerization-nonpolymerization pattern in the polymerization layer. The polymerization layer can be a thermal development-type photosensitive layer for forming the pattern. The release film is then peeled apart from the plate blank to leave a printing plate on the plate cylinder, which can be used for printing and for an inking step. The printing pattern of the plate can be formed by selective removal of the unpolymerized part or by selective transfer of the release film to the polymerized part of the polymerization layer.

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patent: 4985346 (1991-01-01), Suzuki
patent: 5028511 (1991-07-01), Choi
patent: 5073791 (1991-12-01), Mouri et al.

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