Konica Minolta, Inc.

Wanli Zhang

Kouichi Etou

Junji Kanda

Kazuyoshi Ota

Conductive particlehas conductive carbon black particle (CB)and cover layer. The amount of an insulating resin in conductive particleis from 10 to 50% by mass. The number-average primary particle diameter of CBis from 20 to 60 nm; DBP absorption amount is from 100 to 200 mL/100 g. Cover layeris formed by a phase-inversion emulsification method that contains an insulating resin having an amino group and CBin an oil phase. Conductive particleis used suitably for a conductive agent of an intermediate transfer belt of an image forming apparatus.

Conductive member, image forming apparatus, conductive particle and method for manufacturing the same

An intermediate transfer belt used for an image forming apparatus of an electrophotographic system includes: an elastic layer; and a surface layer formed on the elastic layer, wherein stress relief time &#x3c4; [ms] of a material used for the elastic layer and hardness H [MPa] of the surface layer satisfy a first condition that 0.48&#x3c;&#x3c4;&#x3c;0.75 and 50&#x3c;H&#x3c;6275&#x3c4;&#x2212;13820&#x3c4;+10140&#x3c4;&#x2212;2330 or a second condition that 0.75&#x2266;&#x3c4; and 50&#x3c;H&#x3c;150.

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Aichi, Japan

Wanli Zhang