Developing roller for electrographic apparatus including a...

Details Developing roller for electrographic apparatus including a... Developing roller for electrographic apparatus including a...

2005-02-24

2008-10-14

Grainger, Quana M (Department: 2852)

Electrophotography

Image formation

Development

Reexamination Certificate

active

07437108

ABSTRACT:
A developing roller for an electrographic imaging apparatus, which comprises a base rubber, a conductive carbon black, a conductive polymer for controlling hardness of the base rubber and dispersion of the carbon black, and a binder resin for inhibiting migration of the conductive polymer to a surface of the developing roller, and an electrographic apparatus comprising the same are provided. The developing roller has excellent hardness, processibility, stability to resistance and resistance to migration.

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