Developer composition for flexographic printing plate, developer, and method of manufacturing printing original plate
Number of patents in Portfolio can not be more than 2000
United States of America
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Mar 26, 2024
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app pub date -
Mar 27, 2020
filing date -
Mar 27, 2020
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Abstract
A developer composition for a water-developable photosensitive flexographic printing original plate is disclosed, containing (a) a nonionic surfactant composed of monoalkyl ether and/or monoalkyl ester of polyethylene glycol, wherein a number of carbon atoms of the alkyl group therein is 8 to 19, and wherein an HLB value thereof is 11 to 16; and (b) one or more anionic surfactants selected from the group consisting of oleic acid metal salt, lauric acid metal salt, dodecylbenzene sulfonic acid metal salt and lauryl sulfate metal salt, wherein a content ratio of (a):(b) is 25:75 to 75:25 (mass ratio), and wherein a brushing friction coefficient on a surface of a printing original plate is 0.60 to 0.75[−], when measured in an aqueous developer containing 1% by mass of the developer composition and 99% by mass of water.
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