| 摘要 |
<p>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 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 in which a 1st bonding resin is kneaded with a wet pigment having 40-80wt.% water content by means of a vertical shaft type high-speed kneader with multistage blades or multistage stirring blades, the water is removed, and a 2nd process knading the resultant colorant with a 2nd bonding resin.</p> |
