PHOTOSENSITIVE RESIN COMPOSITION FOR FLEXOGRAPHIC PRINTING ORIGINAL PLATE
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United States of America Patent
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Jun 18, 2015
app pub date -
Jun 5, 2013
filing date -
Aug 29, 2012
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Abstract
The present invention provides a water-developable photosensitive resin composition for flexographic printing original plate which highly satisfies both printing durability and fine image reproducibility for 175 lpi. A photosensitive resin composition for a flexographic printing original plate, characterized in that, the composition contains (A) hydrophobic polymers obtained from at least two kinds of water-dispersible latexes, (B) a rubber, (C) a photopolymerizable compound, (D) a photopolymerization initiator, and optionally (E) an aggregation inhibitor and that the ratio by mass of the component (B) to the total mass of the component (A) and the component (B) is within a range of from 1 to 7%. It is preferred that hydrophobic polymer(s) obtained from at least one kind of water-dispersible latex(es) in the above component (A) and the rubber of the component (B) have a common skeleton structure.
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