	US 12,122,926 B2
	Colored dispersion for inkjet, inkjet recording ink, and inkjet recording method
Yuki Kaji, Tokyo (JP); Maiko Iwami, Tokyo (JP); Michiaki Takeda, Tokyo (JP); and Aiko Matsumura, Tokyo (JP)
Assigned to Nippon Kayaku Kabushiki Kaisha, Tokyo (JP)
Appl. No. 18/004,845
Filed by Nippon Kayaku Kabushiki Kaisha, Tokyo (JP)
PCT Filed Jul. 29, 2021, PCT No. PCT/JP2021/028045 § 371(c)(1), (2) Date Jan. 9, 2023, PCT Pub. No. WO2022/025166, PCT Pub. Date Feb. 3, 2022.
Claims priority of application No. 2020-129258 (JP), filed on Jul. 30, 2020.
Prior Publication US 2023/0257605 A1, Aug. 17, 2023
Int. Cl. C09D 11/326 (2014.01); B41M 5/00 (2006.01); C09D 11/328 (2014.01); C09D 11/38 (2014.01)

CPC C09D 11/326 (2013.01) [B41M 5/0011 (2013.01); C09D 11/328 (2013.01); C09D 11/38 (2013.01)]

14 Claims

1. A colored dispersion for inkjet, comprising a colorant, a dispersant, a tellurium compound, and water,

wherein the dispersant is an A-B block polymer; monomers constituting the A block of the A-B block polymer are (meth) acrylic acid and butyl (meth) acrylate; a content of the (meth) acrylic acid in the total mass of the monomers constituting the A block is 26 to 42% by mass; and a monomer constituting the B block of the A-B block polymer comprises cyclohexyl (meth) acrylate;

the dispersant has an acid value of 100 to 159 mgKOH/g; and

the dispersant has a mass average molecular weight of 10,000 to 50,000.