	US 12,221,547 B2
	Active energy ray-curable ink and image recording method
Kenjiro Araki, Kanagawa (JP)
Assigned to FUJIFILM Corporation, Tokyo (JP)
Filed by FUJIFILM Corporation, Tokyo (JP)
Filed on Sep. 14, 2022, as Appl. No. 17/945,079.
Application 17/945,079 is a continuation of application No. PCT/JP2021/004358, filed on Feb. 5, 2021.
Claims priority of application No. 2020-056585 (JP), filed on Mar. 26, 2020.
Prior Publication US 2023/0023473 A1, Jan. 26, 2023
Int. Cl. C09D 11/322 (2014.01); B41J 2/01 (2006.01); B41J 2/21 (2006.01); B41M 7/00 (2006.01); C09D 11/101 (2014.01); C09D 11/38 (2014.01)

CPC C09D 11/322 (2013.01) [B41J 2/01 (2013.01); B41J 2/2107 (2013.01); B41J 2/2117 (2013.01); B41M 7/0081 (2013.01); C09D 11/101 (2013.01); C09D 11/38 (2013.01)]

11 Claims

1. An active energy ray-curable ink comprising:

a radical polymerizable monomer;

a radical polymerization initiator;

a pigment;

a pigment dispersing resin;

an organic onium salt; and

a radical polymerization inhibitor,

wherein a content of the radical polymerization inhibitor is 0.05% to 5.0% by mass of a total amount of the active energy ray-curable ink, and the organic onium salt has a ClogP of 3.5 or more.