Method of manufacturing ink composition
A method of manufacturing an ink composition is provided and includes the steps of dispersing a coloring material in a dispersion medium to provide a dispersion, and then adding an electric charge generator to the dispersion to form charged particles, in which heating treatment is carried out after the addition of an electric charge generator.
1 . A method of manufacturing an ink composition, comprising:
dispersing a coloring material in a dispersion medium to provide a dispersion;
adding an electric charge generator to the dispersion to form charged particles; and
heating the dispersion after the adding of the electric charge generator.
2 . The method of manufacturing an ink composition according to claim 1 , wherein the heating is performed at a temperature of 35 to 150° C.
3 . The method of manufacturing an ink composition according to claim 1 , wherein the heating is performed for 1 minute to 10 hours.
4 . The method of manufacturing an ink composition according to claim 1 , wherein the coloring material is a coloring material covered with a covering agent.
5 . The method of manufacturing an ink composition according to claim 1 , wherein the dispersion is performed in the presence of a dispersant.