PHOTOSENSITIVE CTP FLEXOGRAPHIC PRINTING ORIGINAL PLATE
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United States of America
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Mar 27, 2018
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Mar 27, 2018
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Abstract
The present invention aims to provide a photosensitive CTP flexographic printing original plate wherein no wrinkle is generated during handling of the CTP printing original plate against environmental changes throughout the year and barrier property is also excellent. A water-developable photosensitive CTP flexographic printing original plate which is characterized in that it comprises at least a support, a photosensitive resin layer, a barrier layer and a heat-sensitive mask layer which are sequentially layered, that the barrier layer contains a polyamide resin (A) containing a basic nitrogen atom in a molecule and a polyamide resin (B) containing 40 to 70% by mass of an alkylene glycol structural unit in a molecule, and that a content of the polyamide resin (B) to a total content of the polyamide resin (A) and the polyamide resin (B) is 25 to 52% by mass.
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