Image forming apparatus charging member formed of sequential ove

Details Image forming apparatus charging member formed of sequential ove Image forming apparatus charging member formed of sequential ove

1996-05-30

1998-06-02

Royer, William J.

Electrophotography

Image formation

Charging

361221, 361225, 399176, 492 48, 492 56, G03G 1502

Patent

active

057615810

ABSTRACT:
A charging member is provided comprising an electroconductive substrate having sequential overlying layers of an elastic material comprising an epichlorohydrin rubber and a surface layer comprising an aqueous polyurethane resin. The resulting composite charging member represses adhesion of toner particles and dirt to the surface thereof, exhibits improved durability, and prevents lowering of the charging potential in a low temperature, low humidity environment.

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patent: 5497219 (1996-03-01), Kurokawa et al.
patent: 5502548 (1996-03-01), Suzuki et al.
patent: 5572294 (1996-11-01), Osawa et al.
patent: 5602712 (1997-02-01), Daifuku et al.
patent: 5619311 (1997-04-01), Kurokawa et al.
patent: 5625858 (1997-04-01), Hirai et al.

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