| 摘要 |
A one-part, flowable, dry, electrostatically attractable toner powder comprising (a) particles each comprising a blend of from about 30 to 80 parts by weight thermoplastic binder and, correspondingly, from about 70 to 20 parts by weight magnetically responsive material; and (b) a surface treatment composition comprising 0.1 to 2 parts by weight fluoroaliphatic compound per 100 parts by weight of said particles. The toner powder possesses humidity resistance and improve image quality, particularly in terms of image sharpness. |
