| abstract |
PROBLEM TO BE SOLVED: To be suitable for producing a small and inexpensive copier or printer, and to be excellent in low-temperature fixing property, toner powder property, filming resistance, and high transfer property required for a color image. And a method for producing the same. SOLUTION: A mixed solution prepared by dissolving or dispersing a toner material containing a binder resin and a colorant in an organic solvent is introduced into an aqueous medium to aggregate fine particles formed by suspension granulation. And a method for producing the same. It is preferable to use a plurality of polyester resins having different acid values or glass transition temperatures for the binder resin. |