US 12,134,703 B2
Water-based ink, printed recording medium, inkjet recording method, inkjet recording device, and ink storage container
Masato Isogai, Obu (JP); Makito Iguchi, Nagoya (JP); and Nao Mizuno, Nagoya (JP)
Assigned to BROTHER KOGYO KABUSHIKI KAISHA, Nagoya (JP)
Filed by BROTHER KOGYO KABUSHIKI KAISHA, Nagoya (JP)
Filed on Nov. 29, 2022, as Appl. No. 18/059,461.
Claims priority of application No. 2021-195236 (JP), filed on Dec. 1, 2021.
Prior Publication US 2023/0167318 A1, Jun. 1, 2023
Int. Cl. C09D 11/32 (2014.01); C09D 11/38 (2014.01)
CPC C09D 11/32 (2013.01) [C09D 11/38 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A water-based ink, comprising:
a colorant;
water;
a penetrating agent; and
a wetting agent,
wherein:
the penetrating agent comprises diethylene glycol monohexyl ether (DEHE);
the wetting agent comprises a compound having an SP value of 12 to 14; and
a ratio (A/B) of an amount (A) of the compound having an SP value of 12 to 14 to the amount (B) of DEHE is 2.5 or more.