US 12,436,460 B2
Laser-engravable flexographic printing original plate
Kazuya Yoshimoto, Okayama (JP)
Assigned to TOYOBO MC CORPORATION, Osaka (JP)
Appl. No. 17/790,036
Filed by TOYOBO CO., LTD., Osaka (JP)
PCT Filed Dec. 21, 2020, PCT No. PCT/JP2020/047627
§ 371(c)(1), (2) Date Jun. 29, 2022,
PCT Pub. No. WO2021/140895, PCT Pub. Date Jul. 15, 2021.
Claims priority of application No. 2020-000642 (JP), filed on Jan. 7, 2020.
Prior Publication US 2022/0390842 A1, Dec. 8, 2022
Int. Cl. G03F 7/032 (2006.01); B41N 1/12 (2006.01)
CPC G03F 7/032 (2013.01) [B41N 1/12 (2013.01)] 7 Claims
 
1. A laser-engravable flexographic printing original plate obtained by irradiating a molded product made of a photosensitive resin composition with light so as to cross-link and cure the molded product, in which the photosensitive resin composition contains a water-dispersible latex, a photopolymerizable unsaturated compound, a photopolymerization initiator, and a silicone compound in a mixture, in which the water-dispersible latex is one or more latex rubbers selected from the group consisting of polybutadiene rubber and poly (nitrile-butadiene) rubber, and in which the silicone compound is a silicone compound having an amino group in the molecule and has a refractive index of 1.44 to 1.60.