Laser-imageable flexographic printing precursors and methods of relief imaging
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United States of America Patent
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Jul 12, 2016
Grant Date -
Feb 25, 2016
app pub date -
Sep 9, 2015
filing date -
Dec 12, 2011
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Abstract
A method for preparing a flexographic printing precursor is carried out by forming a laser-engravable composition in a layer. This laser-engravable composition has one or more EPDM elastomeric rubbers, at least one of which comprises at least 8 weight % polyene recurring units. This laser-engravable composition of elastomeric rubbers can be quickly crosslinked using sulfur-containing vulcanizing compositions to provide laser-engravable compositions and layers in the flexographic printing plate precursors that can be laser-engraved to provide relief images for flexographic printing.
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