Patent ID: 9738803
Date: 2017-08-22
CPC Classifications: B41J,C09D

Claim:
1. An aqueous ink for ink jet comprising a resin particle, wherein the resin particle has a first layer and a second layer in this order from the inside to the outside thereof, wherein the first layer is composed of a first resin, a proportion of a unit derived from an aromatic-group-containing ethylenically unsaturated monomer in the first resin being 10% by mass or less, and wherein the second layer has a tetrahydrofuran-insoluble fraction of 10% by mass or more and is composed of a second resin having a unit derived from an aromatic-group-containing ethylenically unsaturated monomer and a unit derived from an ionic-group-containing ethylenically unsaturated monomer, a proportion of the unit derived from the ionic-group-containing ethylenically unsaturated monomer in the second resin being 3% by mass or more to 70% by mass or less.