Patent ID: 9109127
Filing Date: 2015-08-18
Classification: B41J,C09D

Abstract:
1. An ink composition for an ink jet comprising: (a) an alkyl (meth)acrylate copolymer which contains a repeating unit derived from an alkyl (meth)acrylate having 7 to 22 carbon atoms in total and a repeating unit derived from (meth)acrylic acid and has an acid value of 1.3 mmol/g to 2.0 mmol/g in an unneutralized state; and (b) an aqueous medium containing water, wherein the (a) alkyl (meth)acrylate copolymer is a copolymer of which 10% by mass or more dissolves in the (b) aqueous medium used in the ink composition.