Water-developable photosensitive resin composition for flexographic printing and photosensitive resin original plate for flexographic printing obtained therefrom

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United States of America Patent

PATENT NO 11656551
APP PUB NO 20210063877A1
SERIAL NO

16644343

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Abstract

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A photosensitive resin composition for a flexographic printing original plate is disclosed which exhibits reduced adhesion of dust, dirt, and paper powder, resistance to UV ink and allows storage of the printing original plate for a long period of time. A water-developable photosensitive resin composition for flexographic printing, contains at least a polyamide and/or a polyamide block copolymer (a), a cross-linking agent having one or more unsaturated group(s) (b), a photo-polymerization initiator (c), and a fatty acid ester (d), wherein the fatty acid ester (d) has two or more hydroxyl groups and 24 or 25 carbon atoms in a molecule, wherein the fatty acid ester (d) is a fatty acid ester of a compound selected from fatty acids having a number of carbon atoms of 12 to 22, and wherein a content of the fatty acid ester (d) in the photosensitive resin composition is 0.2 to 6% by weight.

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Patent Owner(s)

Patent OwnerAddress
TOYOBO MC CORPORATIONOSAKA UMEDA TWIN TOWERS SOUTH 13-1 UMEDA 1-CHOME KITA-KU OSAKA-SHI OSAKA 530-0001

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hasuike, Jun Okayama, JP 4 1
Kawashima, Wataru Okayama, JP 22 20

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