Patent ID: 9740118
Date: 2017-08-22
CPC Classifications: G03G

Claim:
1. A method of producing a liquid developer containing a dispersing agent, an insulating liquid (a), and a toner particle that contains a colorant and a binder resin, the method comprising: a step (1) of preparing a mixture containing the colorant, the binder resin, the insulating liquid (a), a solvent (b), and the dispersing agent; and a step (2) of distillatively removing the solvent (b) from the mixture, wherein the binder resin dissolves in the solvent (b) and does not dissolve in the insulating liquid (a), the dispersing agent dissolves in both the insulating liquid (a) and the solvent (b), the binder resin contains a polymer A that has an alkali metal sulfonate group or an alkaline-earth metal sulfonate group, and the polymer A contains a polyester structure.