Backing Sheet for Flexographic Printing Plate and Method for Manufacturing the Same
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United States of America Patent
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Issued Date -
May 1, 2014
app pub date -
May 1, 2013
filing date -
Oct 30, 2012
priority date (Note) -
Abandoned
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Abstract
A backing sheet for a flexographic printing plate and a method for manufacturing the backing sheet are provided. The method includes the steps below. A flexible base plate is provided, and an adhesive is coated thereon. The adhesive includes a resin, a photo initiator and a photocurable compound. A first exposure is then performed so as to convert the adhesive to an adhesive layer, in which the conversion rate of the unsaturated groups of the adhesive layer is in a range of 10 to 65%. The backing sheet manufactured by the above-mentioned method is also provided.
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