The carriers for two component developer and two component developers null which contain that

摘要

PURPOSE:To obtain the carrier for the binary developer having stable triboelectrifiability and a triboelectrification amount not deteriorated by long time use and sufficient durability. CONSTITUTION:This carrier is formed by laminating an internal resin layer of 0.5-1.0mmu thickness comprising an aminosilane coupling agent having a primary and/or secondary amino group and a conductive polymer, and coating this internal resin layer with a surface resin layer of 0.1-0.5mum thickness.