Patent ID: 6235444
Filing Date: 2001-05-22
Classification: G03G

Abstract:
A method of manufactring toner comprising:emulsifying a binder resin, a colorant and a non water-soluble organic solvent in an aqueous liquid medium containing an organic dispersing agent so as to form an oil-in-water emulsion;removing the non water-soluble organic solvent from droplets of the emulsion so as to form colored resin particles; andobtaining toner by adjusting a surface tension of an aqueous extract liquid to a range of 50 to 72 mN/m at 25.degree. C. by removing the organic dispersing agent from the colored resin particles, the aqueous extract liquid obtained by mixing 1 part-by-weight the colored resin particles and 50 parts-by-weight distilled water for 1 hour at 80.degree. C.