Flexographic printing plate precursor comprising an ink-jet receiving layer
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United States of America Patent
Stats
-
Mar 19, 2002
Grant Date -
N/A
app pub date -
Jul 13, 2000
filing date -
Jul 13, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A material is disclosed which is suitable for making a flexographic printing plate and comprises in the order given a base, a photopolymer layer, a barrier layer wherein the main component is a polymer different from gelatin, and an ink receiving layer wherein the main component is gelatin. An image having a high optical density can be printed on the ink receiving layer by image-wise jetting a water-based ink because the gelatin in the ink receiving layer has excellent ink receptivity and because the barrier layer reduces diffusion of monomers from the photopolymer layer to the ink receiving layer. The image present in or on the ink receiving layer can then be used as a photomask for the subsequent flood exposure of the photopolymer layer. After processing, a flexographic printing plate is obtained.
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