Liquid photopolymer useful in fabricating printing plates which are resistant to solvent based ink
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United States of America Patent
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Apr 29, 2003
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N/A
app pub date -
Sep 24, 1996
filing date -
Sep 24, 1996
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Abstract
A polymer based on the reaction of an excess of diisocyanate with saturated polyolefine diols to form an oligomer and further reaction of the oligomer with hydroxyacrylates or hydroxymethacrylates is discussed. The polymer is then blended with ethylenically unsaturated monomers and a photoinitiator to produce a photosensitive composition which is useful in fabricating printing plates.
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