	US 12,104,067 B2
	Aqueous inkjet ink composition
Yoichi Sato, Osaka (JP); Hiroyuki Konishi, Osaka (JP); and Kazuki Moriyasu, Osaka (JP)
Assigned to SAKATA INX CORPORATION, Osaka (JP)
Appl. No. 17/278,635
Filed by SAKATA INX CORPORATION, Osaka (JP)
PCT Filed Sep. 6, 2019, PCT No. PCT/JP2019/035205 § 371(c)(1), (2) Date Mar. 22, 2021, PCT Pub. No. WO2020/071055, PCT Pub. Date Apr. 9, 2020.
Claims priority of application No. 2018-186993 (JP), filed on Oct. 1, 2018.
Prior Publication US 2022/0041877 A1, Feb. 10, 2022
Int. Cl. C09D 11/00 (2014.01); C08K 3/22 (2006.01); C08K 5/053 (2006.01); C08K 5/17 (2006.01); C09D 11/107 (2014.01); C09D 11/108 (2014.01); C09D 11/12 (2006.01); C09D 11/324 (2014.01); C09D 11/38 (2014.01)

CPC C09D 11/324 (2013.01) [C08K 3/22 (2013.01); C08K 5/053 (2013.01); C08K 5/17 (2013.01); C09D 11/107 (2013.01); C09D 11/108 (2013.01); C09D 11/12 (2013.01); C09D 11/38 (2013.01)]

8 Claims

1. An aqueous inkjet ink composition containing a pigment, an alkali-soluble resin, a polyolefin resin emulsion, a basic compound, an aqueous medium, and a surfactant, wherein a glass transition temperature of the alkali-soluble resin is 70° C. to 95° C., an average grain size of the polyolefin resin emulsion is 5 to 300 nm, a solids content of the polyolefin resin emulsion is 0.5 to 5.0 percent by mass in the aqueous inkjet ink composition, and the surfactant contains at least an acetylenediol-based surfactant.