公开(公告)号：WO1995000884A1

公开(公告)日：1995-01-05

申请号：PCT/EP1994001855

申请日：1994-06-07

Applicant: AGFA-GEVAERT NAAMLOZE VENNOOTSCHAP ,  TAVERNIER, Serge, Martin ,  RUTTENS, Frank, Bert ,  VERHECKEN, André ,  MAMPAEY, Jozef ,  JOLY, Ludovicus, Pieter

Inventor： AGFA-GEVAERT NAAMLOZE VENNOOTSCHAP

IPC: G03G09/00

CPC classification number: G03G9/1075 ,  G03G9/08 ,  G03G9/0819 ,  G03G9/0823 ,  G03G9/10

Abstract: This invention provides an electrostatographic developer composition comprising carrier particles and toner particles with a toner particle size distribution having a volume average particle size (T) such that 4 m mu /= 0.30 T; (ii) said carrier particles have a volume average particle size (Cavg) such that 30 mu m x P with Msat: saturation magnetization value, Msat, expressed in T; P: the maximal field strength of the magnetic developing pole expressed in kA/m; (v) said carrier particles comprise a core particle coated with a resin coating in an amount (RC) such that 0.2 % w/w

Abstract translation: 本发明提供了一种静电显影剂组合物，其包含载体颗粒和调色剂颗粒，调色剂颗粒尺寸分布具有体积平均粒度（T），使得4μm×T≤12μm，平均电荷（绝对值 ）pro直径在10微米（CT）中，与所述载体颗粒摩擦接触，使得1fC /10μm×10 -6 fC /10μm，其特征在于（i）所述载体颗粒具有 饱和磁化值Msat，以特斯拉（T）表示，使得Msat> / = 0.30T; （ii）所述载体颗粒具有体积平均粒径（Cavg），使得30μmCavg <60μm; （iii）所述载体颗粒的所述基于体积的粒度分布具有至少90％的具有粒径C的颗粒，使得0.5Cavg