Flexographic printing plate, flexographic printing plate precursor, and manufacturing methods therefor
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United States of America Patent
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Apr 30, 2019
Grant Date -
Oct 25, 2018
app pub date -
Jun 18, 2018
filing date -
Jan 4, 2016
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Abstract
The present invention is to provide a flexographic printing plate having high ink transferability and making it possible to perform printing with a high ink density in a solid portion, a flexographic printing plate precursor, a method for manufacturing a flexographic printing plate, and a method for manufacturing a flexographic printing plate precursor. A flexographic printing plate includes a relief layer including a non-image area and an image area having an uneven structure formed on a surface thereof, in which an average length RSm of roughness curve elements of the surface of the image area having the uneven structure is 15 to 120 μm, an oil-retention volume A2 is 2 to 180, and a load length ratio Rmr 30% at a cutting level of 30% is 20% to 90%.
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