US 12,221,548 B2
Ink jet recording ink and image recording method
Fumiya Shiraki, Kanagawa (JP)
Assigned to FUJIFILM Corporation, Tokyo (JP)
Filed by FUJIFILM Corporation, Tokyo (JP)
Filed on Sep. 22, 2022, as Appl. No. 17/950,395.
Application 17/950,395 is a continuation of application No. PCT/JP2021/005489, filed on Feb. 15, 2021.
Claims priority of application No. 2020-058271 (JP), filed on Mar. 27, 2020.
Prior Publication US 2023/0057093 A1, Feb. 23, 2023
Int. Cl. C09D 11/322 (2014.01); C09D 11/36 (2014.01); C09D 11/38 (2014.01)
CPC C09D 11/322 (2013.01) [C09D 11/36 (2013.01); C09D 11/38 (2013.01)] 8 Claims
 
1. An ink jet recording ink comprising:
a pigment;
a dispersant;
an organic solvent which is at least one selected from the group consisting of a compound represented by Formula 1 and a compound represented by Formula 2 and has a Clog P value of 1.0 to 3.5;
resin particles which contain a resin having 1% by mass to 20% by mass of a structural unit represented by Formula 3 with respect to a total mass of the resin;
a silicone-based surfactant; and
water,

OG Complex Work Unit Chemistry
wherein, in Formula 1 or 2, R1s each independently represent a hydrogen atom or a methyl group, R2s each independently represent a linear or branched hydrocarbon group having 4 to 9 carbon atoms, or an aryl group having 6 to 10 carbon atoms, and n represents an integer of 1 to 3,

OG Complex Work Unit Chemistry
in Formula 3, R3 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, X1 represents a divalent linking group, Y1 represents an anionic group, and an atom included in X1 or Y1 and farthest from a main chain is separated from the main chain by a distance of 4 atoms to 27 atoms.