DEVELOPER BEARING MEMBER CAPABLE OF MIXING A QUATERNARY PHOSPHONIUM SALT AND A SPECIFIC PHENOL RESIN, A MANUFACTURING METHOD THEREOF, A DEVELOPING APPARATUS AND A DEVELOPING METHOD

摘要

PURPOSE: A developer bearing member, a manufacturing method thereof, a developing apparatus, and a developing method are provided to steadily and uniformly charge the electricity to a toner for a long time in various environment.;CONSTITUTION: A developer bearing member includes a substrate and a conductive resin-coated layer(507) formed on the surface of the substrate. The conductivity resin-coated layer is formed with a phenol resin which has more than one which is selected from a group comprising -NH2, =NH and -NH- bond, and a resin composite containing a quaternary phosphonium salt and a conductive particle. The resin composite contains the quaternary phosphonium salt more than 1 weight and less than 60 weight for the phenol resin of 100 weight.;COPYRIGHT KIPO 2013