Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
Patent
1992-03-04
1993-11-09
McCamish, Marion E.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
430270, 430273, 430280, 430306, G03C 1492
Patent
active
052601668
ABSTRACT:
A seamless, trilaminate, photopolymer cylindrical printing plate useful in a variety of printing processes, including the flexographic, letter press, dry-offset, intaglio, and gravure processes, capable of millions of printing runs with minimal degradation. The seamless, photopolymer, cylindrical printing plate has a seamless trilaminate cylindrical sleeve with a constant cross-sectional diameter and a longitudinal axis, a clear matte sealant layer completely covering the seamless trilaminate cylindrical sleeve, a bonder layer completely covering the clear matte sealant layer, and a photopolymer layer completely covering the bonder layer. A pigmented primer layer may completely cover the matte sealant layer and be completely covered by the bonder layer. A hardening layer and an anti-oxidant layer may completely cover the photopolymer layer. A method of manufacturing the seamless, trilaminate, photopolymer cylindrical printing plate is also provided. The wall thickness of the seamless, trilaminate, photopolymer cylindrical printing plate can be varied as desired to achieve different cylindrical repeat sizes, especially by controlling the thickness of the seamless trilaminate cylindrical sleeve, the thickness of the photopolymer layer, or both thicknesses.
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Fallin Daniel P.
Nazzaro Alfonso C.
Chapman Mark A.
Graphic Controls Corporation
McCamish Marion E.
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