Patent ID: 9181446
Filing Date: 2015-11-10
Classification: C08K,C09D,D06P

Abstract:
1. An ink composition comprising a pigment; water; a polymer D; a styrene-butadiene resin; a water-soluble organic solvent; and an nonionic surfactant, wherein the polymer D is formed with at least two types of monomers selected from a group consisting of a monomer A, a monomer B, and a monomer C each represented by formula (1) below, the monomer A is a monomer in which R is a hydrogen atom in formula (1) below, the monomer B is a monomer in which R is a C1-C4 alkyl group in formula (1) below, and the monomer C is a monomer in which R is an aryl group or an aryl C1-C4 alkyl group in formula (1) below