| 摘要 |
PURPOSE:To obtain the entitled developer resisting long-term uses, having superior fluidity and agglomeration resistance, and capable of efficient triboelectrification, and pressure fixation, by fusing fine powder of lubricant to the surface of each particle prepd. by dispersing a colorant into a binder resin. CONSTITUTION:The electrophotographic developer is prepared by fusing powder of lubricant, such as silicone resin or fluorocarbon, to the surface of each particle obtd. by dispersing a colorant, such as various dye, org. pigment, or inorg. pigment into a binder resin, such as styrene, acrylic, polyester resin, or polyether. This developer can resist long term uses without causing filming on a developer carrying member, a photoreceptor, etc., having stability, superior fluidity and agglomeration resistance, capable of efficient triboelectrification, and pressure fixation, and it is a one-component type developer useful for the nonmagnetic developing method of the one-component system. |
