| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide negatively chargeable toner by which a clear image can be obtained by dispersing pigments in toner particles uniformly in the case of electrophotography and which has excellent spectroscopic characteristics such as translucency necessary for reproduction of a clear color tone of a color image, can lessen foggy spots in the color image, can heighten printing density and furthermore has excellent transferability particularly when the negatively chargeable toner is applied as color toner and to provide a method for manufacturing the negatively chargeable toner. SOLUTION: This method for manufacturing the negatively chargeable toner comprises mixing/kneading 100 parts weight negative charge controlling resin, 10-200 parts weight coloring agent and 0-100 parts weight organic solvent which can dissolve the negative charge controlling resin to obtain the kneaded negative charge controlling resin composition and polymerizing a polymerizable monomer composition, which contains 2-20 parts weight negative charge controlling resin composition thus obtained and 100 parts weight polymerizable monomer, in a water-based dispersion medium.</p> |
