Particles containing a colorant and a water-based ink comprising polymer emulsion

摘要

A polymer dispersion comprising water and polymer particles having a size of 5 to 500 nm in volume average diameter and having a core-part and a shell-part in each of the polymer particles, wherein the core-part and the shell-part each comprise a colorant and a polymer, and the shell-part contains the colorant in an amount of not more than 80 weight % of the colorant in the core-part.