PRODUCTION OF COLOR TONER

摘要

PROBLEM TO BE SOLVED: To ensure high color development property and a wide color reproduction region of a full-color image, to improve the durability of a color toner by finely dispersing a pigment in a colorant and to attain high transparency on an OHP sheet. SOLUTION: This color toner consisting essentially of a colorant and a bonding resin is produced through a 1st process bonding resin is kneaded with a wet pigment having 40-80wt.% water content by means of a high-speed kneader under 1,300-4,000N/m<2> shearing stressτ, the water is removed, and a 2nd process kneading the resultant colorant with a 2nd bonding resin.