Base for photosensitive drum and photosensitive drum

Details Base for photosensitive drum and photosensitive drum Base for photosensitive drum and photosensitive drum

2004-05-20

2008-12-02

Le, Hoa V (Department: 1795)

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Radiation-sensitive composition or product

C430S069000

Reexamination Certificate

active

07459249

ABSTRACT:
A cylindrical base for a photosensitive drum composed of a conductive resin composition containing a resin base material and a conductive material mainly containing carbon black, on which base a solvent-using photosensitive layer is directly formed, is characterized in that the resin base material mainly contains a mixed resin wherein (A) a polyester resin and (B) a polycarbonate resin is blended at a ratio (weight ratio) of (A)/(B)=50/50 to 90/10. The base for a photosensitive drum is excellent in chemical resistance, formability, dimensional accuracy, and adhesion to the photosensitive layer, while being excellent in dimensional stability. A photosensitive drum using such a base exhibits good printing performance and excellent durability.

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