RESIN COMPOSITION FOR LASER ENGRAVING, PROCESS FOR PRODUCING RELIEF PRINTING PLATE PRECURSOR FOR LASER ENGRAVING, RELIEF PRINTING PLATE PRECURSOR, PROCESS FOR MAKING RELIEF PRINTING PLATE AND RELIEF PRINTING PLATE
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United States of America Patent
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Issued Date -
Oct 31, 2013
app pub date -
Apr 25, 2013
filing date -
Apr 27, 2012
priority date (Note) -
Abandoned
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Abstract
Disclosed is a resin composition for laser engraving, comprising (Component A) a polyurethane having an ethylenically unsaturated group and having a number-average molecular weight of at least 5,000, (Component B) a compound having at least two isocyanate groups in the molecule, (Component C) a compound having at least two active hydrogens in the molecule, and (Component D) a thermopolymerization initiator.
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