US 11,874,602 B2
Lithographic printing plate precursor, method for preparing lithographic printing plate, and lithographic printing method
Akira Sakaguchi, Shizuoka (JP); Akinori Fujita, Shizuoka (JP); and Taira Murakami, Shizuoka (JP)
Assigned to FUJIFILM Corporation, Tokyo (JP)
Filed by FUJIFILM Corporation, Tokyo (JP)
Filed on Mar. 28, 2022, as Appl. No. 17/706,006.
Application 17/706,006 is a continuation of application No. PCT/JP2020/027515, filed on Jul. 15, 2020.
Claims priority of application No. 2019-180623 (JP), filed on Sep. 30, 2019; and application No. 2020-034239 (JP), filed on Feb. 28, 2020.
Prior Publication US 2022/0229365 A1, Jul. 21, 2022
Int. Cl. G03F 7/004 (2006.01); B41C 1/10 (2006.01); G03F 7/029 (2006.01)
CPC G03F 7/0045 (2013.01) [B41C 1/1016 (2013.01); B41C 1/1025 (2013.01); G03F 7/029 (2013.01); B41C 2210/04 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A lithographic printing plate precursor, comprising:
a support; and
an image-recording layer on the support,
wherein the image-recording layer contains an infrared absorber, a polymerization initiator, a polymerizable compound 1, a polymerizable compound 2, and a polymerizable compound 3,
a molecular weight of the polymerizable compound 1 is less than 1,000,
a weight-average molecular weight of the polymerizable compound 2 is 1,000 or more and 3,000 or less,
a weight-average molecular weight of the polymerizable compound 3 is more than 3,000 and 15,000 or less, and
wherein the polymerizable compound 3 is a compound represented by Formula (I),
AP-(BP)nP  Formula (I)
in Formula (I), AP represents an nP-valent organic group having a hydrogen bonding group, BP represents a group having two or more polymerizable groups, and nP represents an integer of two or more.