Leather treatment process for leather coloring, leather coloring process performed on leather thereby treated, and leather article produced by the leather coloring process

摘要

Provided is a leather treatment process for leather coloring, carried out on a leather to be colored with a liquid ink, the process comprises the steps of, imparting to the coloring surface of the leather a resin soluble in the liquid ink and imparting to the coloring surface an aggregate of particles with a functional group having an affinity for the liquid ink. IMAGE