Patent ID: 9637655
Date: 2017-05-02
CPC Classifications: C08K,C09D

Claim:
1. An aqueous pigment dispersion for ink jet printing, comprising: water; and a base metal pigment, wherein the base metal pigment has a scale shape; wherein the base metal pigment is surface-treated with a fluorine-based compound which contains at least one of the elements among phosphorus, sulfur and nitrogen, and when performing an X-ray Photoelectron Spectroscopy (XPS) analysis of a base metal pigment surface, a concentration of a fluorine element is 21 atm % to 35 atm %, and when performing the XPS analysis of the base metal pigment surface, a concentration of the at least one of the phosphorus, the sulfur, the nitrogen or a total of the elements if the fluorine-based compound contains a plurality of the elements is 0.8 atm % or greater.